ngx-extended-pdf-viewer/assets/viewer-3.4.493.js

window.ngxZone.runOutsideAngular(() => {
/**
 * @licstart The following is the entire license notice for the
 * JavaScript code in this page
 *
 * Copyright 2023 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * JavaScript code in this page
 */

/******/ (() => { // webpackBootstrap
/******/ 	"use strict";
/******/ 	var __webpack_modules__ = ([
/* 0 */,
/* 1 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.GenericCom = void 0;
var _app = __webpack_require__(2);
var _preferences = __webpack_require__(47);
var _download_manager = __webpack_require__(48);
var _genericl10n = __webpack_require__(49);
var _generic_scripting = __webpack_require__(51);
;
const GenericCom = {};
exports.GenericCom = GenericCom;
class GenericPreferences extends _preferences.BasePreferences {
  async _writeToStorage(prefObj) {
    try {
      localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
    } catch (safariSecurityException) {}
  }
  async _readFromStorage(prefObj) {
    try {
      return JSON.parse(localStorage.getItem("pdfjs.preferences"));
    } catch (safariSecurityException) {
      return {};
    }
  }
}
class GenericExternalServices extends _app.DefaultExternalServices {
  static createDownloadManager() {
    return new _download_manager.DownloadManager();
  }
  static createPreferences() {
    return new GenericPreferences();
  }
  static createL10n({
    locale = "en-US"
  }) {
    return new _genericl10n.GenericL10n(locale);
  }
  static createScripting({
    sandboxBundleSrc
  }) {
    return new _generic_scripting.GenericScripting(sandboxBundleSrc);
  }
}
_app.PDFViewerApplication.externalServices = GenericExternalServices;

/***/ }),
/* 2 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFViewerApplication = exports.PDFPrintServiceFactory = exports.DefaultExternalServices = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
var _app_options = __webpack_require__(5);
var _event_utils = __webpack_require__(6);
var _pdf_link_service = __webpack_require__(7);
var _webAnnotation_editor_params = __webpack_require__(8);
var _overlay_manager = __webpack_require__(9);
var _password_prompt = __webpack_require__(10);
var _webPdf_attachment_viewer = __webpack_require__(11);
var _webPdf_cursor_tools = __webpack_require__(13);
var _webPdf_document_properties = __webpack_require__(15);
var _webPdf_find_bar = __webpack_require__(16);
var _pdf_find_controller = __webpack_require__(17);
var _pdf_history = __webpack_require__(21);
var _webPdf_layer_viewer = __webpack_require__(22);
var _webPdf_outline_viewer = __webpack_require__(23);
var _webPdf_presentation_mode = __webpack_require__(24);
var _pdf_rendering_queue = __webpack_require__(25);
var _pdf_scripting_manager = __webpack_require__(26);
var _webPdf_sidebar = __webpack_require__(27);
var _webPdf_sidebar_resizer = __webpack_require__(28);
var _webPdf_thumbnail_viewer = __webpack_require__(29);
var _pdf_viewer = __webpack_require__(31);
var _webSecondary_toolbar = __webpack_require__(44);
var _webToolbar = __webpack_require__(45);
var _view_history = __webpack_require__(46);
const FORCE_PAGES_LOADED_TIMEOUT = 10;
const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
const ViewOnLoad = {
  UNKNOWN: -1,
  PREVIOUS: 0,
  INITIAL: 1
};
const ViewerCssTheme = {
  AUTOMATIC: 0,
  LIGHT: 1,
  DARK: 2
};
class DefaultExternalServices {
  constructor() {
    throw new Error("Cannot initialize DefaultExternalServices.");
  }
  static updateFindControlState(data) {}
  static updateFindMatchesCount(data) {}
  static initPassiveLoading(callbacks) {}
  static reportTelemetry(data) {}
  static createDownloadManager() {
    throw new Error("Not implemented: createDownloadManager");
  }
  static createPreferences() {
    throw new Error("Not implemented: createPreferences");
  }
  static createL10n(options) {
    throw new Error("Not implemented: createL10n");
  }
  static createScripting(options) {
    throw new Error("Not implemented: createScripting");
  }
  static get supportsPinchToZoom() {
    return (0, _pdfjsLib.shadow)(this, "supportsPinchToZoom", true);
  }
  static get supportsIntegratedFind() {
    return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", false);
  }
  static get supportsDocumentFonts() {
    return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", true);
  }
  static get supportedMouseWheelZoomModifierKeys() {
    return (0, _pdfjsLib.shadow)(this, "supportedMouseWheelZoomModifierKeys", {
      ctrlKey: true,
      metaKey: true
    });
  }
  static get isInAutomation() {
    return (0, _pdfjsLib.shadow)(this, "isInAutomation", false);
  }
  static updateEditorStates(data) {
    throw new Error("Not implemented: updateEditorStates");
  }
}
exports.DefaultExternalServices = DefaultExternalServices;
const PDFViewerApplication = {
  initialBookmark: document.location.hash.substring(1),
  _initializedCapability: (0, _pdfjsLib.createPromiseCapability)(),
  appConfig: null,
  pdfDocument: null,
  pdfLoadingTask: null,
  printService: null,
  pdfViewer: null,
  pdfThumbnailViewer: null,
  pdfRenderingQueue: null,
  pdfPresentationMode: null,
  pdfDocumentProperties: null,
  pdfLinkService: null,
  pdfHistory: null,
  pdfSidebar: null,
  pdfSidebarResizer: null,
  pdfOutlineViewer: null,
  pdfAttachmentViewer: null,
  pdfLayerViewer: null,
  pdfCursorTools: null,
  pdfScriptingManager: null,
  store: null,
  downloadManager: null,
  overlayManager: null,
  preferences: null,
  toolbar: null,
  secondaryToolbar: null,
  eventBus: null,
  l10n: null,
  annotationEditorParams: null,
  isInitialViewSet: false,
  downloadComplete: false,
  isViewerEmbedded: window.parent !== window,
  url: "",
  baseUrl: "",
  _downloadUrl: "",
  externalServices: DefaultExternalServices,
  _boundEvents: Object.create(null),
  documentInfo: null,
  metadata: null,
  _contentDispositionFilename: null,
  _contentLength: null,
  _saveInProgress: false,
  _wheelUnusedTicks: 0,
  _wheelUnusedFactor: 1,
  _touchUnusedTicks: 0,
  _touchUnusedFactor: 1,
  _PDFBug: null,
  _hasAnnotationEditors: false,
  _title: document.title,
  _printAnnotationStoragePromise: null,
  _touchInfo: null,
  _isCtrlKeyDown: false,
  async initialize(appConfig) {
    this.preferences = this.externalServices.createPreferences();
    this.appConfig = appConfig;
    await this._initializeOptions();
    this._forceCssTheme();
    await this._initializeL10n();
    if (this.isViewerEmbedded && _app_options.AppOptions.get("externalLinkTarget") === _pdf_link_service.LinkTarget.NONE) {
      _app_options.AppOptions.set("externalLinkTarget", _pdf_link_service.LinkTarget.TOP);
    }
    await this._initializeViewerComponents();
    this.bindEvents();
    this.bindWindowEvents();
    const appContainer = appConfig.appContainer || document.documentElement;
    this.l10n.translate(appContainer).then(() => {
      this.eventBus.dispatch("localized", {
        source: this
      });
    });
    this._initializedCapability.resolve();
    this.initializeLoadingBar();
  },
  async _initializeOptions() {
    if (_app_options.AppOptions.get("disablePreferences")) {
      if (_app_options.AppOptions.get("pdfBugEnabled")) {
        await this._parseHashParams();
      }
      return;
    }
    if (_app_options.AppOptions._hasUserOptions()) {
      Window['ngxConsole'].warn("_initializeOptions: The Preferences may override manually set AppOptions; " + 'please use the "disablePreferences"-option in order to prevent that.');
    }
    try {
      _app_options.AppOptions.setAll(await this.preferences.getAll());
    } catch (reason) {
      Window['ngxConsole'].error(`_initializeOptions: "${reason?.message}".`);
    }
    if (_app_options.AppOptions.get("pdfBugEnabled")) {
      await this._parseHashParams();
    }
  },
  async _parseHashParams() {
    const hash = document.location.hash.substring(1);
    if (!hash) {
      return;
    }
    const {
        mainContainer,
        viewerContainer
      } = this.appConfig,
      params = (0, _ui_utils.parseQueryString)(hash);
    if (params.get("disableworker") === "true") {
      try {
        await loadFakeWorker();
      } catch (ex) {
        console.error(`_parseHashParams: "${ex.message}".`);
      }
    }
    if (params.has("disablerange")) {
      _app_options.AppOptions.set("disableRange", params.get("disablerange") === "true");
    }
    if (params.has("disablestream")) {
      _app_options.AppOptions.set("disableStream", params.get("disablestream") === "true");
    }
    if (params.has("disableautofetch")) {
      _app_options.AppOptions.set("disableAutoFetch", params.get("disableautofetch") === "true");
    }
    if (params.has("disablefontface")) {
      _app_options.AppOptions.set("disableFontFace", params.get("disablefontface") === "true");
    }
    if (params.has("disablehistory")) {
      _app_options.AppOptions.set("disableHistory", params.get("disablehistory") === "true");
    }
    if (params.has("verbosity")) {
      _app_options.AppOptions.set("verbosity", params.get("verbosity") | 0);
    }
    if (params.has("textlayer")) {
      switch (params.get("textlayer")) {
        case "off":
          _app_options.AppOptions.set("textLayerMode", _ui_utils.TextLayerMode.DISABLE);
          break;
        case "visible":
        case "shadow":
        case "hover":
          viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`);
          try {
            await loadPDFBug(this);
            this._PDFBug.loadCSS();
          } catch (ex) {
            console.error(`_parseHashParams: "${ex.message}".`);
          }
          break;
      }
    }
    if (params.has("pdfbug")) {
      _app_options.AppOptions.set("pdfBug", true);
      _app_options.AppOptions.set("fontExtraProperties", true);
      const enabled = params.get("pdfbug").split(",");
      try {
        await loadPDFBug(this);
        this._PDFBug.init({
          OPS: _pdfjsLib.OPS
        }, mainContainer, enabled);
      } catch (ex) {
        console.error(`_parseHashParams: "${ex.message}".`);
      }
    }
    if (params.has("locale")) {
      _app_options.AppOptions.set("locale", params.get("locale"));
    }
  },
  async _initializeL10n() {
    this.l10n = this.externalServices.createL10n({
      locale: _app_options.AppOptions.get("locale")
    });
    const dir = await this.l10n.getDirection();
    document.getElementsByTagName("html")[0].dir = dir;
  },
  _forceCssTheme() {
    const cssTheme = _app_options.AppOptions.get("viewerCssTheme");
    if (cssTheme === ViewerCssTheme.AUTOMATIC || !Object.values(ViewerCssTheme).includes(cssTheme)) {
      return;
    }
    try {
      const styleSheet = document.styleSheets[0];
      const cssRules = styleSheet?.cssRules || [];
      for (let i = 0, ii = cssRules.length; i < ii; i++) {
        const rule = cssRules[i];
        if (rule instanceof CSSMediaRule && rule.media?.[0] === "(prefers-color-scheme: dark)") {
          if (cssTheme === ViewerCssTheme.LIGHT) {
            styleSheet.deleteRule(i);
            return;
          }
          const darkRules = /^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(rule.cssText);
          if (darkRules?.[1]) {
            styleSheet.deleteRule(i);
            styleSheet.insertRule(darkRules[1], i);
          }
          return;
        }
      }
    } catch (reason) {
      Window['ngxConsole'].error(`_forceCssTheme: "${reason?.message}".`);
    }
  },
  async _initializeViewerComponents() {
    const {
      appConfig,
      externalServices
    } = this;
    const eventBus = externalServices.isInAutomation ? new _event_utils.AutomationEventBus() : new _event_utils.EventBus();
    this.eventBus = eventBus;
    this.overlayManager = new _overlay_manager.OverlayManager();
    const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
    pdfRenderingQueue.onIdle = this._cleanup.bind(this);
    this.pdfRenderingQueue = pdfRenderingQueue;
    const pdfLinkService = new _pdf_link_service.PDFLinkService({
      eventBus,
      externalLinkTarget: _app_options.AppOptions.get("externalLinkTarget"),
      externalLinkRel: _app_options.AppOptions.get("externalLinkRel"),
      ignoreDestinationZoom: _app_options.AppOptions.get("ignoreDestinationZoom")
    });
    this.pdfLinkService = pdfLinkService;
    const downloadManager = externalServices.createDownloadManager();
    this.downloadManager = downloadManager;
    const findController = new _pdf_find_controller.PDFFindController({
      linkService: pdfLinkService,
      eventBus,
      pageViewMode: _app_options.AppOptions.get("pageViewMode"),
      updateMatchesCountOnProgress: true
    });
    this.findController = findController;
    const pdfScriptingManager = new _pdf_scripting_manager.PDFScriptingManager({
      eventBus,
      sandboxBundleSrc: _app_options.AppOptions.get("sandboxBundleSrc"),
      scriptingFactory: externalServices,
      docPropertiesLookup: this._scriptingDocProperties.bind(this)
    });
    this.pdfScriptingManager = pdfScriptingManager;
    const container = appConfig.mainContainer,
      viewer = appConfig.viewerContainer;
    const annotationEditorMode = _app_options.AppOptions.get("annotationEditorMode");
    const pageColors = _app_options.AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches ? {
      background: _app_options.AppOptions.get("pageColorsBackground"),
      foreground: _app_options.AppOptions.get("pageColorsForeground")
    } : null;
    this.pdfViewer = new _pdf_viewer.PDFViewer({
      container,
      viewer,
      eventBus,
      renderingQueue: pdfRenderingQueue,
      linkService: pdfLinkService,
      downloadManager,
      findController,
      scriptingManager: _app_options.AppOptions.get("enableScripting") && pdfScriptingManager,
      renderer: _app_options.AppOptions.get("renderer"),
      l10n: this.l10n,
      textLayerMode: _app_options.AppOptions.get("textLayerMode"),
      annotationMode: _app_options.AppOptions.get("annotationMode"),
      annotationEditorMode,
      imageResourcesPath: _app_options.AppOptions.get("imageResourcesPath"),
      removePageBorders: _app_options.AppOptions.get("removePageBorders"),
      enablePrintAutoRotate: _app_options.AppOptions.get("enablePrintAutoRotate"),
      useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"),
      isOffscreenCanvasSupported: _app_options.AppOptions.get("isOffscreenCanvasSupported"),
      maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels"),
      pageViewMode: _app_options.AppOptions.get("pageViewMode"),
      enablePermissions: _app_options.AppOptions.get("enablePermissions"),
      pageColors
    });
    pdfRenderingQueue.setViewer(this.pdfViewer);
    pdfLinkService.setViewer(this.pdfViewer);
    pdfScriptingManager.setViewer(this.pdfViewer);
    if (appConfig.sidebar?.thumbnailView) {
      this.pdfThumbnailViewer = new _webPdf_thumbnail_viewer.PDFThumbnailViewer({
        container: appConfig.sidebar.thumbnailView,
        renderingQueue: pdfRenderingQueue,
        linkService: pdfLinkService,
        l10n: this.l10n,
        pageColors
      });
      pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
    }
    if (!this.isViewerEmbedded && !_app_options.AppOptions.get("disableHistory")) {
      this.pdfHistory = new _pdf_history.PDFHistory({
        linkService: pdfLinkService,
        eventBus
      });
      pdfLinkService.setHistory(this.pdfHistory);
    }
    if (!this.supportsIntegratedFind && appConfig.findBar) {
      this.findBar = new _webPdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
    }
    if (appConfig.annotationEditorParams) {
      if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) {
        this.annotationEditorParams = new _webAnnotation_editor_params.AnnotationEditorParams(appConfig.annotationEditorParams, eventBus);
      } else {
        for (const id of ["editorModeButtons", "editorModeSeparator"]) {
          document.getElementById(id)?.classList.add("hidden");
        }
      }
    }
    if (appConfig.documentProperties) {
      this.pdfDocumentProperties = new _webPdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n, () => {
        return this._docFilename;
      });
    }
    if (appConfig.secondaryToolbar?.cursorHandToolButton) {
      this.pdfCursorTools = new _webPdf_cursor_tools.PDFCursorTools({
        container,
        eventBus,
        cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad")
      });
    }
    if (appConfig.toolbar) {
      this.toolbar = new _webToolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
    }
    if (appConfig.secondaryToolbar) {
      this.secondaryToolbar = new _webSecondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, eventBus, this.externalServices);
    }
    if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) {
      this.pdfPresentationMode = new _webPdf_presentation_mode.PDFPresentationMode({
        container,
        pdfViewer: this.pdfViewer,
        eventBus
      });
    }
    let prompt = _app_options.AppOptions.get("passwordPrompt");
    if (!prompt) {
      if (appConfig.passwordOverlay) {
        prompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n, this.isViewerEmbedded);
      }
    }
    this.passwordPrompt = prompt;
    if (appConfig.sidebar?.outlineView) {
      this.pdfOutlineViewer = new _webPdf_outline_viewer.PDFOutlineViewer({
        container: appConfig.sidebar.outlineView,
        eventBus,
        linkService: pdfLinkService,
        downloadManager
      });
    }
    if (appConfig.sidebar?.attachmentsView) {
      this.pdfAttachmentViewer = new _webPdf_attachment_viewer.PDFAttachmentViewer({
        container: appConfig.sidebar.attachmentsView,
        eventBus,
        downloadManager
      });
    }
    if (appConfig.sidebar?.layersView) {
      this.pdfLayerViewer = new _webPdf_layer_viewer.PDFLayerViewer({
        container: appConfig.sidebar.layersView,
        eventBus,
        l10n: this.l10n
      });
    }
    if (appConfig.sidebar) {
      this.pdfSidebar = new _webPdf_sidebar.PDFSidebar({
        elements: appConfig.sidebar,
        pdfViewer: this.pdfViewer,
        pdfThumbnailViewer: this.pdfThumbnailViewer,
        eventBus,
        l10n: this.l10n
      });
      this.pdfSidebar.onToggled = this.forceRendering.bind(this);
      this.pdfSidebarResizer = new _webPdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);
    }
  },
  run(config) {
    this.initialize(config).then(webViewerInitialized);
  },
  get initialized() {
    return this._initializedCapability.settled;
  },
  get initializedPromise() {
    return this._initializedCapability.promise;
  },
  zoomIn(steps, scaleFactor) {
    if (this.pdfViewer.isInPresentationMode) {
      return;
    }
    this.pdfViewer.increaseScale({
      drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"),
      steps,
      scaleFactor
    });
  },
  zoomOut(steps, scaleFactor) {
    if (this.pdfViewer.isInPresentationMode) {
      return;
    }
    this.pdfViewer.decreaseScale({
      drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"),
      steps,
      scaleFactor
    });
  },
  zoomReset() {
    if (this.pdfViewer.isInPresentationMode) {
      return;
    }
    this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
  },
  get pagesCount() {
    return this.pdfDocument ? this.pdfDocument.numPages : 0;
  },
  get page() {
    return this.pdfViewer.currentPageNumber;
  },
  set page(val) {
    this.pdfViewer.currentPageNumber = val;
  },
  get supportsPrinting() {
    return PDFPrintServiceFactory.instance.supportsPrinting;
  },
  get supportsFullscreen() {
    return (0, _pdfjsLib.shadow)(this, "supportsFullscreen", document.fullscreenEnabled);
  },
  get supportsPinchToZoom() {
    return this.externalServices.supportsPinchToZoom;
  },
  get supportsIntegratedFind() {
    return this.externalServices.supportsIntegratedFind;
  },
  get supportsDocumentFonts() {
    return this.externalServices.supportsDocumentFonts;
  },
  initializeLoadingBar() {
    const barElement = document.getElementById("loadingBar");
    const bar = barElement ? new _ui_utils.ProgressBar(barElement) : null;
    bar.hide();
    return (0, _pdfjsLib.shadow)(this, "loadingBar", bar);
  },
  get supportedMouseWheelZoomModifierKeys() {
    return this.externalServices.supportedMouseWheelZoomModifierKeys;
  },
  initPassiveLoading() {
    throw new Error("Not implemented: initPassiveLoading");
  },
  setTitleUsingUrl(url = "", downloadUrl = null) {},
  setTitle(title = this._title) {
    this._title = title;
    if (this.isViewerEmbedded) {
      return;
    }
    const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing;
    document.title = `${editorIndicator ? "* " : ""}${title}`;
  },
  get _docFilename() {
    return this._contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url);
  },
  _hideViewBookmark() {
    const {
      secondaryToolbar
    } = this.appConfig;
    secondaryToolbar?.viewBookmarkButton.classList.add("hidden");
    if (secondaryToolbar?.presentationModeButton.classList.contains("hidden")) {
      document.getElementById("viewBookmarkSeparator")?.classList.add("hidden");
    }
  },
  async close() {
    this._unblockDocumentLoadEvent();
    this._hideViewBookmark();
    if (!this.pdfLoadingTask) {
      return;
    }
    if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) {
      try {
        await this.save();
      } catch (reason) {}
    }
    const promises = [];
    promises.push(this.pdfLoadingTask.destroy());
    this.pdfLoadingTask = null;
    if (this.pdfDocument) {
      this.pdfDocument = null;
      this.pdfThumbnailViewer?.setDocument(null);
      this.pdfViewer.setDocument(null);
      this.pdfLinkService.setDocument(null);
      this.pdfDocumentProperties?.setDocument(null);
    }
    this.pdfLinkService.externalLinkEnabled = true;
    this.store = null;
    this.isInitialViewSet = false;
    this.downloadComplete = false;
    this.url = "";
    this.baseUrl = "";
    this._downloadUrl = "";
    this.documentInfo = null;
    this.metadata = null;
    this._contentDispositionFilename = null;
    this._contentLength = null;
    this._saveInProgress = false;
    this._hasAnnotationEditors = false;
    promises.push(this.pdfScriptingManager.destroyPromise);
    this.setTitle();
    this.pdfSidebar?.reset();
    this.pdfOutlineViewer?.reset();
    this.pdfAttachmentViewer?.reset();
    this.pdfLayerViewer?.reset();
    this.pdfHistory?.reset();
    this.findBar?.reset();
    this.toolbar?.reset();
    this.secondaryToolbar?.reset();
    this._PDFBug?.cleanup();
    await Promise.all(promises);
  },
  async open(args) {
    window.adjacentPagesLoader = undefined;
    window.ngxZone.runOutsideAngular(async () => {
      let deprecatedArgs = false;
      if (typeof args === "string") {
        args = {
          url: args
        };
        deprecatedArgs = true;
      } else if (args?.byteLength) {
        args = {
          data: args
        };
        deprecatedArgs = true;
      }
      if (deprecatedArgs) {
        console.error("The `PDFViewerApplication.open` signature was updated, please use an object instead.");
      }
      if (this.pdfLoadingTask) {
        await this.close();
      }
      const workerParams = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER);
      Object.assign(_pdfjsLib.GlobalWorkerOptions, workerParams);
      if (args.url) {
        this.setTitleUsingUrl(args.originalUrl || args.url, args.url);
      }
      const apiParams = _app_options.AppOptions.getAll(_app_options.OptionKind.API);
      const params = {
        ...apiParams,
        ...args
      };
      const loadingTask = (0, _pdfjsLib.getDocument)(params);
      this.pdfLoadingTask = loadingTask;
      loadingTask.onPassword = (updateCallback, reason) => {
        if (this.isViewerEmbedded) {
          this._unblockDocumentLoadEvent();
        }
        this.pdfLinkService.externalLinkEnabled = false;
        this.passwordPrompt.setUpdateCallback(updateCallback, reason);
        this.passwordPrompt.open();
      };
      loadingTask.onProgress = ({
        loaded,
        total
      }) => {
        this.progress(loaded / total);
        this.eventBus?.dispatch("progress", {
          source: this,
          type: "load",
          total,
          loaded,
          percent: 100 * loaded / total
        });
      };
      return loadingTask.promise.then(pdfDocument => {
        this.load(pdfDocument);
      }, reason => {
        if (loadingTask !== this.pdfLoadingTask) {
          return undefined;
        }
        let key = "loading_error";
        if (reason instanceof _pdfjsLib.InvalidPDFException) {
          key = "invalid_file_error";
        } else if (reason instanceof _pdfjsLib.MissingPDFException) {
          key = "missing_file_error";
        } else if (reason instanceof _pdfjsLib.UnexpectedResponseException) {
          key = "unexpected_response_error";
        }
        if (PDFViewerApplication.onError) {
          PDFViewerApplication.onError(reason);
        }
        return this.l10n.get(key).then(msg => {
          this._documentError(msg, {
            message: reason?.message
          });
          throw reason;
        });
      });
    });
  },
  _ensureDownloadComplete() {
    if (this.pdfDocument && this.downloadComplete) {
      return;
    }
    throw new Error("PDF document not downloaded.");
  },
  async download() {
    const url = this._downloadUrl,
      filename = this._docFilename;
    try {
      this._ensureDownloadComplete();
      const data = await this.pdfDocument.getData();
      const blob = new Blob([data], {
        type: "application/pdf"
      });
      await this.downloadManager.download(blob, url, filename);
    } catch (reason) {
      await this.downloadManager.downloadUrl(url, filename);
    }
  },
  async save() {
    if (this._saveInProgress) {
      return;
    }
    this._saveInProgress = true;
    await this.pdfScriptingManager.dispatchWillSave();
    const url = this._downloadUrl,
      filename = this._docFilename;
    try {
      this._ensureDownloadComplete();
      const data = await this.pdfDocument.saveDocument();
      const blob = new Blob([data], {
        type: "application/pdf"
      });
      await this.downloadManager.download(blob, url, filename);
    } catch (reason) {
      Window["ngxConsole"].error(`Error when saving the document: ${reason.message}`);
      await this.download();
    } finally {
      await this.pdfScriptingManager.dispatchDidSave();
      this._saveInProgress = false;
    }
    if (this._hasAnnotationEditors) {
      this.externalServices.reportTelemetry({
        type: "editing",
        data: {
          type: "save"
        }
      });
    }
  },
  downloadOrSave() {
    if (this.pdfDocument?.annotationStorage.size > 0) {
      this.save();
    } else {
      this.download();
    }
  },
  _documentError(message, moreInfo = null) {
    this._unblockDocumentLoadEvent();
    this._otherError(message, moreInfo);
    this.eventBus.dispatch("documenterror", {
      source: this,
      message,
      reason: moreInfo?.message ?? null
    });
  },
  _otherError(message, moreInfo = null) {
    const moreInfoText = [`PDF.js v${_pdfjsLib.version || "?"} (build: ${_pdfjsLib.build || "?"})`];
    if (moreInfo) {
      moreInfoText.push(`Message: ${moreInfo.message}`);
      if (moreInfo.stack) {
        moreInfoText.push(`Stack: ${moreInfo.stack}`);
      } else {
        if (moreInfo.filename) {
          moreInfoText.push(`File: ${moreInfo.filename}`);
        }
        if (moreInfo.lineNumber) {
          moreInfoText.push(`Line: ${moreInfo.lineNumber}`);
        }
      }
    }
    console.error(`${message}\n\n${moreInfoText.join("\n")}`);
  },
  progress(level) {
    if (!this.loadingBar || this.downloadComplete) {
      return;
    }
    const percent = Math.round(level * 100);
    if (percent <= this.loadingBar.percent) {
      return;
    }
    this.loadingBar.percent = percent;
    if (this.pdfDocument?.loadingParams.disableAutoFetch ?? _app_options.AppOptions.get("disableAutoFetch")) {
      this.loadingBar.setDisableAutoFetch();
    }
  },
  load(pdfDocument) {
    this.pdfDocument = pdfDocument;
    pdfDocument.getDownloadInfo().then(({
      length
    }) => {
      this._contentLength = length;
      this.downloadComplete = true;
      this.loadingBar?.hide();
      firstPagePromise.then(() => {
        this.eventBus?.dispatch("documentloaded", {
          source: this
        });
      });
    });
    const pageLayoutPromise = pdfDocument.getPageLayout().catch(function () {});
    const pageModePromise = pdfDocument.getPageMode().catch(function () {});
    const openActionPromise = pdfDocument.getOpenAction().catch(function () {});
    this.toolbar?.setPagesCount(pdfDocument.numPages, false);
    this.secondaryToolbar?.setPagesCount(pdfDocument.numPages);
    let baseDocumentUrl;
    baseDocumentUrl = null;
    if (baseDocumentUrl && (0, _pdfjsLib.isDataScheme)(baseDocumentUrl)) {
      baseDocumentUrl = null;
    }
    this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
    this.pdfDocumentProperties?.setDocument(pdfDocument);
    const pdfViewer = this.pdfViewer;
    pdfViewer.setDocument(pdfDocument);
    const {
      firstPagePromise,
      onePageRendered,
      pagesPromise
    } = pdfViewer;
    this.pdfThumbnailViewer?.setDocument(pdfDocument);
    const storedPromise = (this.store = new _view_history.ViewHistory(pdfDocument.fingerprints[0])).getMultiple({
      page: null,
      zoom: _ui_utils.DEFAULT_SCALE_VALUE,
      scrollLeft: "0",
      scrollTop: "0",
      rotation: null,
      sidebarView: _ui_utils.SidebarView.UNKNOWN,
      scrollMode: _ui_utils.ScrollMode.UNKNOWN,
      spreadMode: _ui_utils.SpreadMode.UNKNOWN
    }).catch(() => {
      return Object.create(null);
    });
    firstPagePromise.then(pdfPage => {
      this.loadingBar?.setWidth(this.appConfig.viewerContainer);
      this._initializeAnnotationStorageCallbacks(pdfDocument);
      Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => {
        const viewOnLoad = _app_options.AppOptions.get("viewOnLoad");
        this._initializePdfHistory({
          fingerprint: pdfDocument.fingerprints[0],
          viewOnLoad,
          initialDest: openAction?.dest
        });
        const initialBookmark = this.initialBookmark;
        const zoom = _app_options.AppOptions.get("defaultZoomValue");
        let hash = zoom ? `zoom=${zoom}` : null;
        let rotation = null;
        let sidebarView = _app_options.AppOptions.get("sidebarViewOnLoad");
        let scrollMode = _app_options.AppOptions.get("scrollModeOnLoad");
        let spreadMode = _app_options.AppOptions.get("spreadModeOnLoad");
        if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) {
          hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`;
          rotation = parseInt(stored.rotation, 10);
          if (sidebarView === _ui_utils.SidebarView.UNKNOWN) {
            sidebarView = stored.sidebarView | 0;
          }
          if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
            scrollMode = stored.scrollMode | 0;
          }
          if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
            spreadMode = stored.spreadMode | 0;
          }
        }
        if (pageMode && sidebarView === _ui_utils.SidebarView.UNKNOWN) {
          sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(pageMode);
        }
        if (pageLayout && scrollMode === _ui_utils.ScrollMode.UNKNOWN && spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
          const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(pageLayout);
          spreadMode = modes.spreadMode;
        }
        this.setInitialView(hash, {
          rotation,
          sidebarView,
          scrollMode,
          spreadMode
        });
        this.eventBus.dispatch("documentinit", {
          source: this
        });
        if (!this.isViewerEmbedded) {
          pdfViewer.focus();
        }
        await Promise.race([pagesPromise, new Promise(resolve => {
          setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
        })]);
        if (!initialBookmark && !hash) {
          return;
        }
        if (pdfViewer.hasEqualPageSizes) {
          return;
        }
        this.initialBookmark = initialBookmark;
        pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
        this.setInitialView(hash);
      }).catch(() => {
        this.setInitialView();
      }).then(function () {
        pdfViewer.update();
      });
    });
    pagesPromise.then(() => {
      this._unblockDocumentLoadEvent();
      this._initializeAutoPrint(pdfDocument, openActionPromise);
    }, reason => {
      if (PDFViewerApplication.onError) {
        PDFViewerApplication.onError(reason);
      }
      this.l10n.get("loading_error").then(msg => {
        this._documentError(msg, {
          message: reason?.message
        });
      });
    });
    onePageRendered.then(data => {
      this.externalServices.reportTelemetry({
        type: "pageInfo",
        timestamp: data.timestamp
      });
      if (this.pdfOutlineViewer) {
        pdfDocument.getOutline().then(outline => {
          if (pdfDocument !== this.pdfDocument) {
            return;
          }
          this.pdfOutlineViewer.render({
            outline,
            pdfDocument
          });
        });
      }
      if (this.pdfAttachmentViewer) {
        pdfDocument.getAttachments().then(attachments => {
          if (pdfDocument !== this.pdfDocument) {
            return;
          }
          this.pdfAttachmentViewer.render({
            attachments
          });
        });
      }
      if (this.pdfLayerViewer) {
        pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
          if (pdfDocument !== this.pdfDocument) {
            return;
          }
          this.pdfLayerViewer.render({
            optionalContentConfig,
            pdfDocument
          });
        });
      }
    });
    this._initializePageLabels(pdfDocument);
    this._initializeMetadata(pdfDocument);
  },
  async _scriptingDocProperties(pdfDocument) {
    if (!this.documentInfo) {
      await new Promise(resolve => {
        this.eventBus._on("metadataloaded", resolve, {
          once: true
        });
      });
      if (pdfDocument !== this.pdfDocument) {
        return null;
      }
    }
    if (!this._contentLength) {
      await new Promise(resolve => {
        this.eventBus._on("documentloaded", resolve, {
          once: true
        });
      });
      if (pdfDocument !== this.pdfDocument) {
        return null;
      }
    }
    return {
      ...this.documentInfo,
      baseURL: this.baseUrl,
      filesize: this._contentLength,
      filename: this._docFilename,
      metadata: this.metadata?.getRaw(),
      authors: this.metadata?.get("dc:creator"),
      numPages: this.pagesCount,
      URL: this.url
    };
  },
  async _initializeAutoPrint(pdfDocument, openActionPromise) {
    const [openAction, javaScript] = await Promise.all([openActionPromise, !this.pdfViewer.enableScripting ? pdfDocument.getJavaScript() : null]);
    if (pdfDocument !== this.pdfDocument) {
      return;
    }
    let triggerAutoPrint = false;
    if (openAction?.action === "Print") {
      triggerAutoPrint = true;
    }
    if (javaScript) {
      javaScript.some(js => {
        if (!js) {
          return false;
        }
        Window['ngxConsole'].warn("Warning: JavaScript support is not enabled");
        return true;
      });
      if (!triggerAutoPrint) {
        for (const js of javaScript) {
          if (js && _ui_utils.AutoPrintRegExp.test(js)) {
            triggerAutoPrint = true;
            break;
          }
        }
      }
    }
    if (triggerAutoPrint) {
      this.triggerPrinting();
    }
  },
  async _initializeMetadata(pdfDocument) {
    const {
      info,
      metadata,
      contentDispositionFilename,
      contentLength
    } = await pdfDocument.getMetadata();
    if (pdfDocument !== this.pdfDocument) {
      return;
    }
    this.documentInfo = info;
    this.metadata = metadata;
    this._contentDispositionFilename ??= contentDispositionFilename;
    this._contentLength ??= contentLength;
    console.log(`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${_pdfjsLib.version || "?"} [${_pdfjsLib.build || "?"}])  modified by ngx-extended-pdf-viewer`);
    let pdfTitle = info.Title;
    const metadataTitle = metadata?.get("dc:title");
    if (metadataTitle) {
      if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) {
        pdfTitle = metadataTitle;
      }
    }
    if (pdfTitle) {
      this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`);
    } else if (this._contentDispositionFilename) {
      this.setTitle(this._contentDispositionFilename);
    }
    if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) {
      if (pdfDocument.loadingParams.enableXfa) {
        Window['ngxConsole'].warn("Warning: XFA Foreground documents are not supported");
      } else {
        Window['ngxConsole'].warn("Warning: XFA support is not enabled");
      }
    } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) {
      console.warn("Warning: Interactive form support is not enabled");
    }
    if (info.IsSignaturesPresent) {
      console.warn("Warning: Digital signatures validation is not supported");
    }
    this.eventBus.dispatch("metadataloaded", {
      source: this
    });
  },
  async _initializePageLabels(pdfDocument) {
    const labels = await pdfDocument.getPageLabels();
    if (pdfDocument !== this.pdfDocument) {
      return;
    }
    if (!labels || _app_options.AppOptions.get("disablePageLabels")) {
      return;
    }
    const numLabels = labels.length;
    let standardLabels = 0,
      emptyLabels = 0;
    for (let i = 0; i < numLabels; i++) {
      const label = labels[i];
      if (label === (i + 1).toString()) {
        standardLabels++;
      } else if (label === "") {
        emptyLabels++;
      } else {
        break;
      }
    }
    if (standardLabels >= numLabels || emptyLabels >= numLabels) {
      return;
    }
    const {
      pdfViewer,
      pdfThumbnailViewer,
      toolbar
    } = this;
    pdfViewer.setPageLabels(labels);
    pdfThumbnailViewer?.setPageLabels(labels);
    toolbar?.setPagesCount(numLabels, true);
    toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
  },
  _initializePdfHistory({
    fingerprint,
    viewOnLoad,
    initialDest = null
  }) {
    if (!this.pdfHistory) {
      return;
    }
    this.pdfHistory.initialize({
      fingerprint,
      resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
      updateUrl: _app_options.AppOptions.get("historyUpdateUrl")
    });
    if (this.pdfHistory.initialBookmark) {
      this.initialBookmark = this.pdfHistory.initialBookmark;
      this.initialRotation = this.pdfHistory.initialRotation;
    }
    if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
      this.initialBookmark = JSON.stringify(initialDest);
      this.pdfHistory.push({
        explicitDest: initialDest,
        pageNumber: null
      });
    }
  },
  _initializeAnnotationStorageCallbacks(pdfDocument) {
    if (pdfDocument !== this.pdfDocument) {
      return;
    }
    const {
      annotationStorage
    } = pdfDocument;
    annotationStorage.onSetModified = () => {
      window.addEventListener("beforeunload", beforeUnload);
      this._annotationStorageModified = true;
    };
    annotationStorage.onResetModified = () => {
      window.removeEventListener("beforeunload", beforeUnload);
      delete this._annotationStorageModified;
    };
    annotationStorage.onAnnotationEditor = typeStr => {
      this._hasAnnotationEditors = !!typeStr;
      this.setTitle();
      if (typeStr) {
        this.externalServices.reportTelemetry({
          type: "editing",
          data: {
            type: typeStr
          }
        });
      }
    };
  },
  setInitialView(storedHash, {
    rotation,
    sidebarView,
    scrollMode,
    spreadMode
  } = {}) {
    const setRotation = angle => {
      if ((0, _ui_utils.isValidRotation)(angle)) {
        this.pdfViewer.pagesRotation = angle;
      }
    };
    const setViewerModes = (scroll, spread) => {
      if ((0, _ui_utils.isValidScrollMode)(scroll)) {
        this.pdfViewer.scrollMode = scroll;
      }
      if ((0, _ui_utils.isValidSpreadMode)(spread)) {
        this.pdfViewer.spreadMode = spread;
      }
    };
    this.isInitialViewSet = true;
    this.pdfSidebar?.setInitialView(sidebarView);
    setViewerModes(scrollMode, spreadMode);
    if (this.initialBookmark) {
      setRotation(this.initialRotation);
      delete this.initialRotation;
      this.pdfLinkService.setHash(this.initialBookmark);
      this.initialBookmark = null;
    } else if (storedHash) {
      setRotation(rotation);
      this.pdfLinkService.setHash(storedHash);
    }
    this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
    this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber);
    if (!this.pdfViewer.currentScaleValue) {
      const defaultZoomOption = PDFViewerApplicationOptions.get('defaultZoomValue');
      if (defaultZoomOption) {
        this.pdfViewer.currentScaleValue = defaultZoomOption;
      }
    }
  },
  _cleanup() {
    if (!this.pdfDocument) {
      return;
    }
    this.pdfViewer.cleanup();
    this.pdfThumbnailViewer?.cleanup();
    this.pdfDocument.cleanup(this.pdfViewer.renderer === _ui_utils.RendererType.SVG);
  },
  forceRendering() {
    this.pdfRenderingQueue.printing = !!this.printService;
    this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS;
    this.pdfRenderingQueue.renderHighestPriority();
  },
  beforePrint() {
    this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => {
      return this.pdfDocument?.annotationStorage.print;
    });
    if (this.printService) {
      return;
    }
    if (!this.supportsPrinting) {
      this.l10n.get("printing_not_supported").then(msg => {
        this._otherError(msg);
      });
      return;
    }
    if (!this.pdfViewer.pageViewsReady) {
      this.l10n.get("printing_not_ready").then(msg => {
        window.alert(msg);
      });
      return;
    }
    const pagesOverview = this.pdfViewer.getPagesOverview();
    const printContainer = this.appConfig.printContainer;
    const printResolution = _app_options.AppOptions.get("printResolution");
    const optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise;
    const printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this._printAnnotationStoragePromise, this.l10n, this.pdfViewer.eventBus);
    this.printService = printService;
    this.forceRendering();
    this.setTitle();
    printService.layout();
    if (this._hasAnnotationEditors) {
      this.externalServices.reportTelemetry({
        type: "editing",
        data: {
          type: "print"
        }
      });
    }
  },
  afterPrint() {
    if (this._printAnnotationStoragePromise) {
      this._printAnnotationStoragePromise.then(() => {
        this.pdfScriptingManager.dispatchDidPrint();
      });
      this._printAnnotationStoragePromise = null;
    }
    if (this.printService) {
      this.printService.destroy();
      this.printService = null;
      this.pdfDocument?.annotationStorage.resetModified();
    }
    this.forceRendering();
    this.setTitle();
  },
  rotatePages(delta) {
    this.pdfViewer.pagesRotation += delta;
  },
  requestPresentationMode() {
    this.pdfPresentationMode?.request();
  },
  triggerPrinting() {
    if (!this.supportsPrinting) {
      return;
    }
    window.printPDF();
  },
  bindEvents() {
    const {
      eventBus,
      _boundEvents
    } = this;
    _boundEvents.beforePrint = this.beforePrint.bind(this);
    _boundEvents.afterPrint = this.afterPrint.bind(this);
    eventBus._on("resize", webViewerResize);
    eventBus._on("hashchange", webViewerHashchange);
    eventBus._on("beforeprint", _boundEvents.beforePrint);
    eventBus._on("afterprint", _boundEvents.afterPrint);
    eventBus._on("pagerender", webViewerPageRender);
    eventBus._on("pagerendered", webViewerPageRendered);
    eventBus._on("updateviewarea", webViewerUpdateViewarea);
    eventBus._on("pagechanging", webViewerPageChanging);
    eventBus._on("scalechanging", webViewerScaleChanging);
    eventBus._on("rotationchanging", webViewerRotationChanging);
    eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged);
    eventBus._on("pagemode", webViewerPageMode);
    eventBus._on("namedaction", webViewerNamedAction);
    eventBus._on("presentationmodechanged", webViewerPresentationModeChanged);
    eventBus._on("presentationmode", webViewerPresentationMode);
    eventBus._on("switchannotationeditormode", webViewerSwitchAnnotationEditorMode);
    eventBus._on("switchannotationeditorparams", webViewerSwitchAnnotationEditorParams);
    eventBus._on("print", webViewerPrint);
    eventBus._on("download", webViewerDownload);
    eventBus._on("firstpage", webViewerFirstPage);
    eventBus._on("lastpage", webViewerLastPage);
    eventBus._on("nextpage", webViewerNextPage);
    eventBus._on("previouspage", webViewerPreviousPage);
    eventBus._on("zoomin", webViewerZoomIn);
    eventBus._on("zoomout", webViewerZoomOut);
    eventBus._on("zoomreset", webViewerZoomReset);
    eventBus._on("pagenumberchanged", webViewerPageNumberChanged);
    eventBus._on("scalechanged", webViewerScaleChanged);
    eventBus._on("rotatecw", webViewerRotateCw);
    eventBus._on("rotateccw", webViewerRotateCcw);
    eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig);
    eventBus._on("switchscrollmode", webViewerSwitchScrollMode);
    eventBus._on("scrollmodechanged", webViewerScrollModeChanged);
    eventBus._on("switchspreadmode", webViewerSwitchSpreadMode);
    eventBus._on("spreadmodechanged", webViewerSpreadModeChanged);
    eventBus._on("documentproperties", webViewerDocumentProperties);
    eventBus._on("findfromurlhash", webViewerFindFromUrlHash);
    eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount);
    eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState);
    if (_app_options.AppOptions.get("pdfBug")) {
      _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug;
      eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug);
      eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug);
    }
    eventBus._on("fileinputchange", webViewerFileInputChange);
    eventBus._on("openfile", webViewerOpenFile);
  },
  bindWindowEvents() {
    const {
      eventBus,
      _boundEvents
    } = this;
    function addWindowResolutionChange(evt = null) {
      if (evt) {
        webViewerResolutionChange(evt);
      }
      const mediaQueryList = window.matchMedia(`(resolution: ${window.devicePixelRatio || 1}dppx)`);
      mediaQueryList.addEventListener("change", addWindowResolutionChange, {
        once: true
      });
      _boundEvents.removeWindowResolutionChange ||= function () {
        mediaQueryList.removeEventListener("change", addWindowResolutionChange);
        _boundEvents.removeWindowResolutionChange = null;
      };
    }
    addWindowResolutionChange();
    _boundEvents.windowResize = () => {
      eventBus.dispatch("resize", {
        source: window
      });
    };
    _boundEvents.windowHashChange = () => {
      eventBus.dispatch("hashchange", {
        source: window,
        hash: document.location.hash.substring(1)
      });
    };
    _boundEvents.windowBeforePrint = () => {
      eventBus.dispatch("beforeprint", {
        source: window
      });
    };
    _boundEvents.windowAfterPrint = () => {
      eventBus.dispatch("afterprint", {
        source: window
      });
    };
    _boundEvents.windowUpdateFromSandbox = event => {
      eventBus.dispatch("updatefromsandbox", {
        source: window,
        detail: event.detail
      });
    };
    window.addEventListener("visibilitychange", webViewerVisibilityChange);
    window.addEventListener("wheel", webViewerWheel, {
      passive: false
    });
    window.addEventListener("touchstart", webViewerTouchStart, {
      passive: false
    });
    window.addEventListener("touchmove", webViewerTouchMove, {
      passive: false
    });
    window.addEventListener("touchend", webViewerTouchEnd, {
      passive: false
    });
    window.addEventListener("click", webViewerClick);
    window.addEventListener("keydown", webViewerKeyDown);
    window.addEventListener("keyup", webViewerKeyUp);
    window.addEventListener("resize", _boundEvents.windowResize);
    window.addEventListener("hashchange", _boundEvents.windowHashChange);
    window.addEventListener("beforeprint", _boundEvents.windowBeforePrint);
    window.addEventListener("afterprint", _boundEvents.windowAfterPrint);
    window.addEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox);
  },
  unbindEvents() {
    const {
      eventBus,
      _boundEvents
    } = this;
    eventBus._off("resize", webViewerResize);
    eventBus._off("hashchange", webViewerHashchange);
    eventBus._off("beforeprint", _boundEvents.beforePrint);
    eventBus._off("afterprint", _boundEvents.afterPrint);
    eventBus._off("pagerender", webViewerPageRender);
    eventBus._off("pagerendered", webViewerPageRendered);
    eventBus._off("updateviewarea", webViewerUpdateViewarea);
    eventBus._off("pagechanging", webViewerPageChanging);
    eventBus._off("scalechanging", webViewerScaleChanging);
    eventBus._off("rotationchanging", webViewerRotationChanging);
    eventBus._off("sidebarviewchanged", webViewerSidebarViewChanged);
    eventBus._off("pagemode", webViewerPageMode);
    eventBus._off("namedaction", webViewerNamedAction);
    eventBus._off("presentationmodechanged", webViewerPresentationModeChanged);
    eventBus._off("presentationmode", webViewerPresentationMode);
    eventBus._off("print", webViewerPrint);
    eventBus._off("download", webViewerDownload);
    eventBus._off("firstpage", webViewerFirstPage);
    eventBus._off("lastpage", webViewerLastPage);
    eventBus._off("nextpage", webViewerNextPage);
    eventBus._off("previouspage", webViewerPreviousPage);
    eventBus._off("zoomin", webViewerZoomIn);
    eventBus._off("zoomout", webViewerZoomOut);
    eventBus._off("zoomreset", webViewerZoomReset);
    eventBus._off("pagenumberchanged", webViewerPageNumberChanged);
    eventBus._off("scalechanged", webViewerScaleChanged);
    eventBus._off("rotatecw", webViewerRotateCw);
    eventBus._off("rotateccw", webViewerRotateCcw);
    eventBus._off("optionalcontentconfig", webViewerOptionalContentConfig);
    eventBus._off("switchscrollmode", webViewerSwitchScrollMode);
    eventBus._off("scrollmodechanged", webViewerScrollModeChanged);
    eventBus._off("switchspreadmode", webViewerSwitchSpreadMode);
    eventBus._off("spreadmodechanged", webViewerSpreadModeChanged);
    eventBus._off("documentproperties", webViewerDocumentProperties);
    eventBus._off("findfromurlhash", webViewerFindFromUrlHash);
    eventBus._off("updatefindmatchescount", webViewerUpdateFindMatchesCount);
    eventBus._off("updatefindcontrolstate", webViewerUpdateFindControlState);
    if (_boundEvents.reportPageStatsPDFBug) {
      eventBus._off("pagerendered", _boundEvents.reportPageStatsPDFBug);
      eventBus._off("pagechanging", _boundEvents.reportPageStatsPDFBug);
      _boundEvents.reportPageStatsPDFBug = null;
    }
    eventBus._off("fileinputchange", webViewerFileInputChange);
    eventBus._off("openfile", webViewerOpenFile);
    _boundEvents.beforePrint = null;
    _boundEvents.afterPrint = null;
  },
  unbindWindowEvents() {
    const {
      _boundEvents
    } = this;
    window.removeEventListener("visibilitychange", webViewerVisibilityChange);
    window.removeEventListener("wheel", webViewerWheel, {
      passive: false
    });
    window.removeEventListener("touchstart", webViewerTouchStart, {
      passive: false
    });
    window.removeEventListener("touchmove", webViewerTouchMove, {
      passive: false
    });
    window.removeEventListener("touchend", webViewerTouchEnd, {
      passive: false
    });
    window.removeEventListener("click", webViewerClick);
    window.removeEventListener("keydown", webViewerKeyDown);
    window.removeEventListener("keyup", webViewerKeyUp);
    window.removeEventListener("resize", _boundEvents.windowResize);
    window.removeEventListener("hashchange", _boundEvents.windowHashChange);
    window.removeEventListener("beforeprint", _boundEvents.windowBeforePrint);
    window.removeEventListener("afterprint", _boundEvents.windowAfterPrint);
    window.removeEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox);
    _boundEvents.removeWindowResolutionChange?.();
    _boundEvents.windowResize = null;
    _boundEvents.windowHashChange = null;
    _boundEvents.windowBeforePrint = null;
    _boundEvents.windowAfterPrint = null;
    _boundEvents.windowUpdateFromSandbox = null;
  },
  _accumulateTicks(ticks, prop) {
    if (this[prop] > 0 && ticks < 0 || this[prop] < 0 && ticks > 0) {
      this[prop] = 0;
    }
    this[prop] += ticks;
    const wholeTicks = Math.trunc(this[prop]);
    this[prop] -= wholeTicks;
    return wholeTicks;
  },
  _accumulateFactor(previousScale, factor, prop) {
    if (factor === 1) {
      return 1;
    }
    if (this[prop] > 1 && factor < 1 || this[prop] < 1 && factor > 1) {
      this[prop] = 1;
    }
    const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale);
    this[prop] = factor / newFactor;
    return newFactor;
  },
  _centerAtPos(previousScale, x, y) {
    const {
      pdfViewer
    } = this;
    const scaleDiff = pdfViewer.currentScale / previousScale - 1;
    if (scaleDiff !== 0) {
      const [top, left] = pdfViewer.containerTopLeft;
      pdfViewer.container.scrollLeft += (x - left) * scaleDiff;
      pdfViewer.container.scrollTop += (y - top) * scaleDiff;
    }
  },
  _unblockDocumentLoadEvent() {
    document.blockUnblockOnload?.(false);
    this._unblockDocumentLoadEvent = () => {};
  },
  get scriptingReady() {
    return this.pdfScriptingManager.ready;
  }
};
exports.PDFViewerApplication = PDFViewerApplication;
{
  const HOSTED_VIEWER_ORIGINS = ["null", "http://mozilla.github.io", "https://mozilla.github.io"];
  var validateFileURL = function (file) {
    if (!file) {
      return;
    }
    try {
      const viewerOrigin = new URL(window.location.href).origin || "null";
      if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
        return;
      }
      const fileOrigin = new URL(file, window.location.href).origin;
      if (fileOrigin !== viewerOrigin) {
        throw new Error("file origin does not match viewer's");
      }
    } catch (ex) {
      if (PDFViewerApplication.onError) {
        PDFViewerApplication.onError(ex);
      }
      PDFViewerApplication.l10n.get("loading_error").then(msg => {
        PDFViewerApplication._documentError(msg, {
          message: ex?.message
        });
      });
      throw ex;
    }
  };
}
async function loadFakeWorker() {
  _pdfjsLib.GlobalWorkerOptions.workerSrc ||= _app_options.AppOptions.get("workerSrc");
  if (_pdfjsLib.GlobalWorkerOptions.workerSrc.constructor.name === "Function") {
    _pdfjsLib.GlobalWorkerOptions.workerSrc = _pdfjsLib.GlobalWorkerOptions.workerSrc();
  }
  await (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.workerSrc);
}
async function loadPDFBug(self) {
  const {
    debuggerScriptPath
  } = self.appConfig;
  const {
    PDFBug
  } = await import(debuggerScriptPath);
  self._PDFBug = PDFBug;
}
function reportPageStatsPDFBug({
  pageNumber
}) {
  if (!globalThis.Stats?.enabled) {
    return;
  }
  const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
  globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats);
}
function webViewerInitialized() {
  const {
    appConfig,
    eventBus,
    l10n
  } = PDFViewerApplication;
  let file;
  const queryString = document.location.search.substring(1);
  const params = (0, _ui_utils.parseQueryString)(queryString);
  file = params.get("file") ?? _app_options.AppOptions.get("defaultUrl");
  validateFileURL(file);
  const fileInput = appConfig.openFileInput;
  fileInput.value = null;
  fileInput.addEventListener("change", function (evt) {
    const {
      files
    } = evt.target;
    if (!files || files.length === 0) {
      return;
    }
    eventBus.dispatch("fileinputchange", {
      source: this,
      fileInput: evt.target
    });
  });
  appConfig.mainContainer.addEventListener("dragover", function (evt) {
    if (_app_options.AppOptions.get("enableDragAndDrop")) {
      evt.preventDefault();
      evt.dataTransfer.dropEffect = evt.dataTransfer.effectAllowed === "copy" ? "copy" : "move";
    }
  });
  appConfig.mainContainer.addEventListener("drop", function (evt) {
    if (_app_options.AppOptions.get("enableDragAndDrop")) {
      evt.preventDefault();
      const {
        files
      } = evt.dataTransfer;
      if (!files || files.length === 0) {
        return;
      }
      PDFViewerApplication.eventBus.dispatch("fileinputchange", {
        source: this,
        fileInput: evt.dataTransfer,
        dropEvent: evt
      });
    }
  });
  if (!PDFViewerApplication.supportsDocumentFonts) {
    _app_options.AppOptions.set("disableFontFace", true);
    l10n.get("web_fonts_disabled").then(msg => {
      Window['ngxConsole'].warn(msg);
    });
  }
  if (!PDFViewerApplication.supportsPrinting) {
    appConfig.toolbar?.print.classList.add("hidden");
    appConfig.secondaryToolbar?.printButton.classList.add("hidden");
  }
  if (!PDFViewerApplication.supportsFullscreen) {
    appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden");
  }
  if (PDFViewerApplication.supportsIntegratedFind) {
    appConfig.toolbar?.viewFind.classList.add("hidden");
  }
  appConfig.mainContainer.addEventListener("transitionend", function (evt) {
    if (evt.target === this) {
      eventBus.dispatch("resize", {
        source: this
      });
    }
  }, true);
  try {
    if (file) {
      PDFViewerApplication.open({
        url: file
      });
    } else {
      PDFViewerApplication._hideViewBookmark();
    }
  } catch (reason) {
    if (PDFViewerApplication.onError) {
      PDFViewerApplication.onError(reason);
    }
    l10n.get("loading_error").then(msg => {
      PDFViewerApplication._documentError(msg, reason);
    });
  }
}
function webViewerPageRender({
  pageNumber
}) {
  if (pageNumber === PDFViewerApplication.page) {
    PDFViewerApplication.toolbar?.updateLoadingIndicatorState(true);
  }
}
function webViewerPageRendered({
  pageNumber,
  error
}) {
  if (pageNumber === PDFViewerApplication.page) {
    PDFViewerApplication.toolbar?.updateLoadingIndicatorState(false);
  }
  if (PDFViewerApplication.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS) {
    const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
    const thumbnailView = PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(pageNumber - 1);
    if (pageView && thumbnailView) {
      thumbnailView.setImage(pageView);
    }
  }
  if (error) {
    PDFViewerApplication.l10n.get("rendering_error").then(msg => {
      PDFViewerApplication._otherError(msg, error);
    });
  }
}
function webViewerPageMode({
  mode
}) {
  let view;
  switch (mode) {
    case "thumbs":
      view = _ui_utils.SidebarView.THUMBS;
      break;
    case "bookmarks":
    case "outline":
      view = _ui_utils.SidebarView.OUTLINE;
      break;
    case "attachments":
      view = _ui_utils.SidebarView.ATTACHMENTS;
      break;
    case "layers":
      view = _ui_utils.SidebarView.LAYERS;
      break;
    case "none":
      view = _ui_utils.SidebarView.NONE;
      break;
    default:
      Window['ngxConsole'].error('Invalid "pagemode" hash parameter: ' + mode);
      return;
  }
  PDFViewerApplication.pdfSidebar?.switchView(view, true);
}
function webViewerNamedAction(evt) {
  switch (evt.action) {
    case "GoToPage":
      PDFViewerApplication.appConfig.toolbar?.pageNumber.select();
      break;
    case "Find":
      if (!PDFViewerApplication.supportsIntegratedFind) {
        PDFViewerApplication?.findBar.toggle();
      }
      break;
    case "Print":
      PDFViewerApplication.triggerPrinting();
      break;
    case "SaveAs":
      PDFViewerApplication.downloadOrSave();
      break;
  }
}
function webViewerPresentationModeChanged(evt) {
  PDFViewerApplication.pdfViewer.presentationModeState = evt.state;
}
function webViewerSidebarViewChanged({
  view
}) {
  PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = view === _ui_utils.SidebarView.THUMBS;
  if (PDFViewerApplication.isInitialViewSet) {
    PDFViewerApplication.store?.set("sidebarView", view).catch(() => {});
  }
}
function webViewerUpdateViewarea({
  location
}) {
  if (PDFViewerApplication.isInitialViewSet) {
    const settings = {};
    if (location.pageNumber !== undefined || location.pageNumber !== null) {
      settings.page = location.pageNumber;
    }
    if (location.scale) {
      settings.zoom = location.scale;
    }
    if (location.left) {
      settings.scrollLeft = location.left;
    }
    if (location.top) {
      settings.scrollTop = location.top;
    }
    if (location.rotation !== undefined || location.rotation !== null) {
      settings.rotation = location.rotation;
    }
    PDFViewerApplication.store?.setMultiple(settings).catch(() => {});
  }
  if (PDFViewerApplication.appConfig.secondaryToolbar) {
    const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
    PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
  }
}
function webViewerScrollModeChanged(evt) {
  if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) {
    PDFViewerApplication.store?.set("scrollMode", evt.mode).catch(() => {});
  }
}
function webViewerSpreadModeChanged(evt) {
  if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) {
    PDFViewerApplication.store?.set("spreadMode", evt.mode).catch(() => {});
  }
}
function webViewerResize() {
  const {
    pdfDocument,
    pdfViewer,
    pdfRenderingQueue
  } = PDFViewerApplication;
  if (pdfRenderingQueue.printing && window.matchMedia("print").matches) {
    return;
  }
  if (!pdfDocument) {
    return;
  }
  const currentScaleValue = pdfViewer.currentScaleValue;
  if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") {
    pdfViewer.currentScaleValue = currentScaleValue;
  }
  pdfViewer.update();
}
function webViewerHashchange(evt) {
  const hash = evt.hash;
  if (!hash) {
    return;
  }
  if (!PDFViewerApplication.isInitialViewSet) {
    PDFViewerApplication.initialBookmark = hash;
  } else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) {
    PDFViewerApplication.pdfLinkService.setHash(hash);
  }
}
{
  var webViewerFileInputChange = function (evt) {
    if (PDFViewerApplication.pdfViewer?.isInPresentationMode) {
      return;
    }
    const file = evt.fileInput.files[0];
    PDFViewerApplication.open({
      url: URL.createObjectURL(file),
      originalUrl: file.name
    });
    if (window["setNgxExtendedPdfViewerSource"]) {
      window["setNgxExtendedPdfViewerSource"](file.name ? file.name : URL.createObjectURL(file));
    }
  };
  var webViewerOpenFile = function (evt) {
    const fileInput = PDFViewerApplication.appConfig.openFileInput;
    fileInput.click();
  };
}
function webViewerPresentationMode() {
  PDFViewerApplication.requestPresentationMode();
}
function webViewerSwitchAnnotationEditorMode(evt) {
  PDFViewerApplication.pdfViewer.annotationEditorMode = evt.mode;
}
function webViewerSwitchAnnotationEditorParams(evt) {
  PDFViewerApplication.pdfViewer.annotationEditorParams = evt;
}
function webViewerPrint() {
  PDFViewerApplication.triggerPrinting();
}
function webViewerDownload() {
  PDFViewerApplication.downloadOrSave();
}
function webViewerFirstPage() {
  PDFViewerApplication.page = 1;
}
function webViewerLastPage() {
  PDFViewerApplication.page = PDFViewerApplication.pagesCount;
}
function webViewerNextPage() {
  PDFViewerApplication.pdfViewer.nextPage();
}
function webViewerPreviousPage() {
  PDFViewerApplication.pdfViewer.previousPage();
}
function webViewerZoomIn() {
  PDFViewerApplication.zoomIn();
}
function webViewerZoomOut() {
  PDFViewerApplication.zoomOut();
}
function webViewerZoomReset() {
  PDFViewerApplication.zoomReset();
}
function webViewerPageNumberChanged(evt) {
  const pdfViewer = PDFViewerApplication.pdfViewer;
  if (evt.value !== "") {
    PDFViewerApplication.pdfLinkService.goToPage(evt.value);
  }
  if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
    PDFViewerApplication.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
  }
}
function webViewerScaleChanged(evt) {
  PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
}
function webViewerRotateCw() {
  PDFViewerApplication.rotatePages(90);
}
function webViewerRotateCcw() {
  PDFViewerApplication.rotatePages(-90);
}
function webViewerOptionalContentConfig(evt) {
  PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise;
}
function webViewerSwitchScrollMode(evt) {
  PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
}
function webViewerSwitchSpreadMode(evt) {
  PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
}
function webViewerDocumentProperties() {
  PDFViewerApplication.pdfDocumentProperties?.open();
}
function webViewerFindFromUrlHash(evt) {
  PDFViewerApplication.eventBus.dispatch("find", {
    source: evt.source,
    type: "",
    query: evt.query,
    phraseSearch: evt.phraseSearch,
    caseSensitive: false,
    entireWord: false,
    ignoreAccents: false,
    fuzzySearch: false,
    highlightAll: true,
    findPrevious: false,
    matchDiacritics: true
  });
}
function webViewerUpdateFindMatchesCount({
  matchesCount
}) {
  if (PDFViewerApplication.supportsIntegratedFind) {
    PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
  } else {
    PDFViewerApplication.findBar.updateResultsCount(matchesCount);
  }
}
function webViewerUpdateFindControlState({
  state,
  previous,
  matchesCount,
  rawQuery
}) {
  if (PDFViewerApplication.supportsIntegratedFind) {
    PDFViewerApplication.externalServices.updateFindControlState({
      result: state,
      findPrevious: previous,
      matchesCount,
      rawQuery
    });
  } else {
    PDFViewerApplication.findBar?.updateUIState(state, previous, matchesCount);
  }
}
function webViewerScaleChanging(evt) {
  PDFViewerApplication.toolbar?.setPageScale(evt.presetValue, evt.scale);
  PDFViewerApplication.pdfViewer.update();
}
function webViewerRotationChanging(evt) {
  if (PDFViewerApplication.pdfThumbnailViewer) {
    PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
  }
  PDFViewerApplication.forceRendering();
  PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
}
function webViewerPageChanging({
  pageNumber,
  pageLabel
}) {
  PDFViewerApplication.toolbar?.setPageNumber(pageNumber, pageLabel);
  PDFViewerApplication.secondaryToolbar?.setPageNumber(pageNumber);
  if (PDFViewerApplication.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS) {
    PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber);
  }
  const currentPage = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
  PDFViewerApplication.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === _ui_utils.RenderingStates.RUNNING);
  const pageNumberInput = document.getElementById("pageNumber");
  if (pageNumberInput) {
    const pageScrollEvent = new CustomEvent("page-change");
    pageNumberInput.dispatchEvent(pageScrollEvent);
  }
}
function webViewerResolutionChange(evt) {
  PDFViewerApplication.pdfViewer.refresh();
}
function webViewerVisibilityChange(evt) {
  if (document.visibilityState === "visible") {
    setZoomDisabledTimeout();
  }
}
let zoomDisabledTimeout = null;
function setZoomDisabledTimeout() {
  if (zoomDisabledTimeout) {
    clearTimeout(zoomDisabledTimeout);
  }
  zoomDisabledTimeout = setTimeout(function () {
    zoomDisabledTimeout = null;
  }, WHEEL_ZOOM_DISABLED_TIMEOUT);
}
function webViewerWheel(evt) {
  const element = document.getElementById("viewerContainer");
  const hover = element.parentNode.querySelector(":hover");
  if (hover !== element) {
    return;
  }
  const {
    pdfViewer,
    supportedMouseWheelZoomModifierKeys,
    supportsPinchToZoom
  } = PDFViewerApplication;
  if (pdfViewer.isInPresentationMode) {
    return;
  }
  const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
  if (window.isKeyIgnored && window.isKeyIgnored(cmd, "WHEEL")) {
    return;
  }
  const deltaMode = evt.deltaMode;
  let scaleFactor = Math.exp(-evt.deltaY / 100);
  const isBuiltInMac = false;
  const isPinchToZoom = evt.ctrlKey && !PDFViewerApplication._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0;
  if (isPinchToZoom || evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) {
    evt.preventDefault();
    if (zoomDisabledTimeout || document.visibilityState === "hidden") {
      return;
    }
    const previousScale = pdfViewer.currentScale;
    if (isPinchToZoom && supportsPinchToZoom) {
      scaleFactor = PDFViewerApplication._accumulateFactor(previousScale, scaleFactor, "_wheelUnusedFactor");
      if (scaleFactor < 1) {
        PDFViewerApplication.zoomOut(null, scaleFactor);
      } else if (scaleFactor > 1) {
        PDFViewerApplication.zoomIn(null, scaleFactor);
      } else {
        return;
      }
    } else {
      const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt);
      let ticks = 0;
      if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) {
        if (Math.abs(delta) >= 1) {
          ticks = Math.sign(delta);
        } else {
          ticks = PDFViewerApplication._accumulateTicks(delta, "_wheelUnusedTicks");
        }
      } else {
        const PIXELS_PER_LINE_SCALE = 30;
        ticks = PDFViewerApplication._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, "_wheelUnusedTicks");
      }
      if (ticks < 0) {
        PDFViewerApplication.zoomOut(-ticks);
      } else if (ticks > 0) {
        PDFViewerApplication.zoomIn(ticks);
      } else {
        return;
      }
    }
    PDFViewerApplication._centerAtPos(previousScale, evt.clientX, evt.clientY);
  } else {
    setZoomDisabledTimeout();
  }
}
function webViewerTouchStart(evt) {
  if (PDFViewerApplication.pdfViewer.isInPresentationMode || evt.touches.length < 2) {
    return;
  }
  evt.preventDefault();
  if (evt.touches.length !== 2) {
    PDFViewerApplication._touchInfo = null;
    return;
  }
  let [touch0, touch1] = evt.touches;
  if (touch0.identifier > touch1.identifier) {
    [touch0, touch1] = [touch1, touch0];
  }
  PDFViewerApplication._touchInfo = {
    touch0X: touch0.pageX,
    touch0Y: touch0.pageY,
    touch1X: touch1.pageX,
    touch1Y: touch1.pageY
  };
}
function webViewerTouchMove(evt) {
  if (!PDFViewerApplication._touchInfo || evt.touches.length !== 2) {
    return;
  }
  const {
    pdfViewer,
    _touchInfo,
    supportsPinchToZoom
  } = PDFViewerApplication;
  let [touch0, touch1] = evt.touches;
  if (touch0.identifier > touch1.identifier) {
    [touch0, touch1] = [touch1, touch0];
  }
  const {
    pageX: page0X,
    pageY: page0Y
  } = touch0;
  const {
    pageX: page1X,
    pageY: page1Y
  } = touch1;
  const {
    touch0X: pTouch0X,
    touch0Y: pTouch0Y,
    touch1X: pTouch1X,
    touch1Y: pTouch1Y
  } = _touchInfo;
  if (Math.abs(pTouch0X - page0X) <= 1 && Math.abs(pTouch0Y - page0Y) <= 1 && Math.abs(pTouch1X - page1X) <= 1 && Math.abs(pTouch1Y - page1Y) <= 1) {
    return;
  }
  _touchInfo.touch0X = page0X;
  _touchInfo.touch0Y = page0Y;
  _touchInfo.touch1X = page1X;
  _touchInfo.touch1Y = page1Y;
  if (pTouch0X === page0X && pTouch0Y === page0Y) {
    const v1X = pTouch1X - page0X;
    const v1Y = pTouch1Y - page0Y;
    const v2X = page1X - page0X;
    const v2Y = page1Y - page0Y;
    const det = v1X * v2Y - v1Y * v2X;
    if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) {
      return;
    }
  } else if (pTouch1X === page1X && pTouch1Y === page1Y) {
    const v1X = pTouch0X - page1X;
    const v1Y = pTouch0Y - page1Y;
    const v2X = page0X - page1X;
    const v2Y = page0Y - page1Y;
    const det = v1X * v2Y - v1Y * v2X;
    if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) {
      return;
    }
  } else {
    const diff0X = page0X - pTouch0X;
    const diff1X = page1X - pTouch1X;
    const diff0Y = page0Y - pTouch0Y;
    const diff1Y = page1Y - pTouch1Y;
    const dotProduct = diff0X * diff1X + diff0Y * diff1Y;
    if (dotProduct >= 0) {
      return;
    }
  }
  evt.preventDefault();
  const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1;
  const pDistance = Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1;
  const previousScale = pdfViewer.currentScale;
  if (supportsPinchToZoom) {
    const newScaleFactor = PDFViewerApplication._accumulateFactor(previousScale, distance / pDistance, "_touchUnusedFactor");
    if (newScaleFactor < 1) {
      PDFViewerApplication.zoomOut(null, newScaleFactor);
    } else if (newScaleFactor > 1) {
      PDFViewerApplication.zoomIn(null, newScaleFactor);
    } else {
      return;
    }
  } else {
    const PIXELS_PER_LINE_SCALE = 30;
    const ticks = PDFViewerApplication._accumulateTicks((distance - pDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks");
    if (ticks < 0) {
      PDFViewerApplication.zoomOut(-ticks);
    } else if (ticks > 0) {
      PDFViewerApplication.zoomIn(ticks);
    } else {
      return;
    }
  }
  PDFViewerApplication._centerAtPos(previousScale, (page0X + page1X) / 2, (page0Y + page1Y) / 2);
}
function webViewerTouchEnd(evt) {
  if (!PDFViewerApplication._touchInfo) {
    return;
  }
  evt.preventDefault();
  PDFViewerApplication._touchInfo = null;
  PDFViewerApplication._touchUnusedTicks = 0;
  PDFViewerApplication._touchUnusedFactor = 1;
}
function webViewerClick(evt) {
  if (!PDFViewerApplication.secondaryToolbar?.isOpen) {
    return;
  }
  const appConfig = PDFViewerApplication.appConfig;
  if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar?.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar?.toggleButton) {
    if (evt.target && evt.target.parentElement === appConfig.secondaryToolbar.toggleButton) {
      return;
    }
    if (evt.target && evt.target.parentElement && evt.target.parentElement.parentElement === appConfig.secondaryToolbar.toggleButton) {
      return;
    }
    PDFViewerApplication.secondaryToolbar.close();
  }
}
function webViewerKeyUp(evt) {
  if (evt.key === "Control") {
    PDFViewerApplication._isCtrlKeyDown = false;
  }
}
function webViewerKeyDown(evt) {
  PDFViewerApplication._isCtrlKeyDown = evt.key === "Control";
  if (PDFViewerApplication.overlayManager.active) {
    return;
  }
  const {
    eventBus,
    pdfViewer
  } = PDFViewerApplication;
  const isViewerInPresentationMode = pdfViewer.isInPresentationMode;
  let handled = false,
    ensureViewerFocused = false;
  const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
  if (window.isKeyIgnored && window.isKeyIgnored(cmd, evt.keyCode)) {
    return;
  }
  if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
    switch (evt.keyCode) {
      case 70:
        if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) {
          PDFViewerApplication.findBar?.open();
          handled = true;
        }
        break;
      case 71:
        if (!PDFViewerApplication.supportsIntegratedFind) {
          const {
            state
          } = PDFViewerApplication.findController;
          if (state) {
            const newState = {
              source: window,
              type: "again",
              findPrevious: cmd === 5 || cmd === 12
            };
            eventBus.dispatch("find", {
              ...state,
              ...newState
            });
          }
          handled = true;
        }
        break;
      case 61:
      case 107:
      case 187:
      case 171:
        PDFViewerApplication.zoomIn();
        handled = true;
        break;
      case 173:
      case 109:
      case 189:
        PDFViewerApplication.zoomOut();
        handled = true;
        break;
      case 48:
      case 96:
        if (!isViewerInPresentationMode) {
          setTimeout(function () {
            PDFViewerApplication.zoomReset();
          });
          handled = false;
        }
        break;
      case 38:
        if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
          PDFViewerApplication.page = 1;
          handled = true;
          ensureViewerFocused = true;
        }
        break;
      case 40:
        if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
          PDFViewerApplication.page = PDFViewerApplication.pagesCount;
          handled = true;
          ensureViewerFocused = true;
        }
        break;
    }
  }
  if (cmd === 1 || cmd === 8) {
    switch (evt.keyCode) {
      case 83:
        eventBus.dispatch("download", {
          source: window
        });
        handled = true;
        break;
      case 79:
        {
          eventBus.dispatch("openfile", {
            source: window
          });
          handled = true;
        }
        break;
    }
  }
  if (cmd === 3 || cmd === 10) {
    switch (evt.keyCode) {
      case 80:
        PDFViewerApplication.requestPresentationMode();
        handled = true;
        PDFViewerApplication.externalServices.reportTelemetry({
          type: "buttons",
          data: {
            id: "presentationModeKeyboard"
          }
        });
        break;
      case 71:
        if (PDFViewerApplication.appConfig.toolbar) {
          PDFViewerApplication.appConfig.toolbar.pageNumber.select();
          handled = true;
        }
        break;
    }
  }
  if (handled) {
    if (ensureViewerFocused && !isViewerInPresentationMode) {
      pdfViewer.focus();
    }
    evt.preventDefault();
    return;
  }
  const curElement = (0, _ui_utils.getActiveOrFocusedElement)();
  const curElementTagName = curElement?.tagName.toUpperCase();
  if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement?.isContentEditable) {
    if (evt.keyCode !== 27) {
      return;
    }
  }
  if (cmd === 0) {
    let turnPage = 0,
      turnOnlyIfPageFit = false;
    switch (evt.keyCode) {
      case 38:
      case 33:
        if (pdfViewer.isVerticalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }
        turnPage = -1;
        break;
      case 8:
        if (!isViewerInPresentationMode) {
          turnOnlyIfPageFit = true;
        }
        turnPage = -1;
        break;
      case 37:
        if (pdfViewer.isHorizontalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }
      case 75:
      case 80:
        turnPage = -1;
        break;
      case 27:
        if (PDFViewerApplication.secondaryToolbar?.isOpen) {
          PDFViewerApplication.secondaryToolbar.close();
          handled = true;
        }
        if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar?.opened) {
          PDFViewerApplication.findBar.close();
          handled = true;
        }
        break;
      case 40:
      case 34:
        if (pdfViewer.isVerticalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }
        turnPage = 1;
        break;
      case 13:
      case 32:
        if (!isViewerInPresentationMode) {
          turnOnlyIfPageFit = true;
        }
        turnPage = 1;
        break;
      case 39:
        if (pdfViewer.isHorizontalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }
      case 74:
      case 78:
        turnPage = 1;
        break;
      case 36:
        if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
          PDFViewerApplication.page = 1;
          handled = true;
          ensureViewerFocused = true;
        }
        break;
      case 35:
        if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
          PDFViewerApplication.page = PDFViewerApplication.pagesCount;
          handled = true;
          ensureViewerFocused = true;
        }
        break;
      case 83:
        PDFViewerApplication.pdfCursorTools?.switchTool(_ui_utils.CursorTool.SELECT);
        break;
      case 72:
        PDFViewerApplication.pdfCursorTools?.switchTool(_ui_utils.CursorTool.HAND);
        break;
      case 82:
        PDFViewerApplication.rotatePages(90);
        break;
      case 115:
        PDFViewerApplication.pdfSidebar?.toggle();
        break;
    }
    if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) {
      if (turnPage > 0) {
        pdfViewer.nextPage();
      } else {
        pdfViewer.previousPage();
      }
      handled = true;
    }
  }
  if (cmd === 4) {
    switch (evt.keyCode) {
      case 13:
      case 32:
        if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
          break;
        }
        pdfViewer.previousPage();
        handled = true;
        break;
      case 82:
        PDFViewerApplication.rotatePages(-90);
        break;
    }
  }
  if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
    pdfViewer.focus();
  }
  if (handled) {
    evt.preventDefault();
  }
}
function beforeUnload(evt) {
  evt.preventDefault();
  evt.returnValue = "";
  return false;
}
function webViewerAnnotationEditorStatesChanged(data) {
  PDFViewerApplication.externalServices.updateEditorStates(data);
}
const PDFPrintServiceFactory = {
  instance: {
    supportsPrinting: false,
    createPrintService() {
      throw new Error("Not implemented: createPrintService");
    }
  }
};
exports.PDFPrintServiceFactory = PDFPrintServiceFactory;

/***/ }),
/* 3 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.animationStarted = exports.VERTICAL_PADDING = exports.UNKNOWN_SCALE = exports.TextLayerMode = exports.SpreadMode = exports.SidebarView = exports.ScrollMode = exports.SCROLLBAR_PADDING = exports.RenderingStates = exports.RendererType = exports.ProgressBar = exports.PresentationModeState = exports.OutputScale = exports.MIN_SCALE = exports.MAX_SCALE = exports.MAX_AUTO_SCALE = exports.DEFAULT_SCALE_VALUE = exports.DEFAULT_SCALE_DELTA = exports.DEFAULT_SCALE = exports.CursorTool = exports.AutoPrintRegExp = void 0;
exports.apiPageLayoutToViewerModes = apiPageLayoutToViewerModes;
exports.apiPageModeToSidebarView = apiPageModeToSidebarView;
exports.approximateFraction = approximateFraction;
exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
exports.binarySearchFirstItem = binarySearchFirstItem;
exports.docStyle = void 0;
exports.getActiveOrFocusedElement = getActiveOrFocusedElement;
exports.getPageSizeInches = getPageSizeInches;
exports.getVisibleElements = getVisibleElements;
exports.isPortraitOrientation = isPortraitOrientation;
exports.isValidRotation = isValidRotation;
exports.isValidScrollMode = isValidScrollMode;
exports.isValidSpreadMode = isValidSpreadMode;
exports.noContextMenuHandler = noContextMenuHandler;
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
exports.parseQueryString = parseQueryString;
exports.removeNullCharacters = removeNullCharacters;
exports.roundToDivide = roundToDivide;
exports.scrollIntoView = scrollIntoView;
exports.watchScroll = watchScroll;
const DEFAULT_SCALE_VALUE = "auto";
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
const DEFAULT_SCALE = 1.0;
exports.DEFAULT_SCALE = DEFAULT_SCALE;
const DEFAULT_SCALE_DELTA = 1.1;
exports.DEFAULT_SCALE_DELTA = DEFAULT_SCALE_DELTA;
const MIN_SCALE = 0.1;
exports.MIN_SCALE = MIN_SCALE;
const MAX_SCALE = 10.0;
exports.MAX_SCALE = MAX_SCALE;
const UNKNOWN_SCALE = 0;
exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
const MAX_AUTO_SCALE = 1.25;
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
const SCROLLBAR_PADDING = 40;
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
const VERTICAL_PADDING = 5;
exports.VERTICAL_PADDING = VERTICAL_PADDING;
const RenderingStates = {
  INITIAL: 0,
  RUNNING: 1,
  PAUSED: 2,
  FINISHED: 3
};
exports.RenderingStates = RenderingStates;
const PresentationModeState = {
  UNKNOWN: 0,
  NORMAL: 1,
  CHANGING: 2,
  FULLSCREEN: 3
};
exports.PresentationModeState = PresentationModeState;
const SidebarView = {
  UNKNOWN: -1,
  NONE: 0,
  THUMBS: 1,
  OUTLINE: 2,
  ATTACHMENTS: 3,
  LAYERS: 4
};
exports.SidebarView = SidebarView;
const RendererType = {
  CANVAS: "canvas",
  SVG: "svg"
};
exports.RendererType = RendererType;
const TextLayerMode = {
  DISABLE: 0,
  ENABLE: 1
};
exports.TextLayerMode = TextLayerMode;
const ScrollMode = {
  UNKNOWN: -1,
  VERTICAL: 0,
  HORIZONTAL: 1,
  WRAPPED: 2,
  PAGE: 3
};
exports.ScrollMode = ScrollMode;
const SpreadMode = {
  UNKNOWN: -1,
  NONE: 0,
  ODD: 1,
  EVEN: 2
};
exports.SpreadMode = SpreadMode;
const CursorTool = {
  SELECT: 0,
  HAND: 1,
  ZOOM: 2
};
exports.CursorTool = CursorTool;
const AutoPrintRegExp = /\bprint\s*\(/;
exports.AutoPrintRegExp = AutoPrintRegExp;
class OutputScale {
  constructor() {
    const pixelRatio = window.devicePixelRatio || 1;
    this.sx = pixelRatio;
    this.sy = pixelRatio;
  }
  get scaled() {
    return this.sx !== 1 || this.sy !== 1;
  }
}
exports.OutputScale = OutputScale;
function scrollIntoView(element, spot, scrollMatches = false, infiniteScroll = false) {
  if (element.classList.contains("stf__item")) {
    Window['ngxConsole'].log("don't scroll in book mode");
    return;
  }
  let parent = element.offsetParent;
  if (!parent) {
    Window['ngxConsole'].error("offsetParent is not set -- cannot scroll");
    return;
  }
  let offsetY = element.offsetTop + element.clientTop;
  let offsetX = element.offsetLeft + element.clientLeft;
  while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) {
    offsetY += parent.offsetTop;
    offsetX += parent.offsetLeft;
    parent = parent.offsetParent;
    if (!parent) {
      if (infiniteScroll) {
        if (document.body.clientHeight > offsetY) {
          offsetY -= 32;
          window.scrollTo(window.scrollX, offsetY);
        }
      }
      return;
    }
  }
  if (spot) {
    if (spot.top !== undefined) {
      offsetY += spot.top;
    }
    if (spot.left !== undefined) {
      offsetX += spot.left;
      parent.scrollLeft = offsetX;
    }
  }
  parent.scrollTop = offsetY;
}
function watchScroll(viewAreaElement, callback) {
  const debounceScroll = function (evt) {
    if (rAF) {
      return;
    }
    rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
      rAF = null;
      const currentX = viewAreaElement.scrollLeft;
      const lastX = state.lastX;
      if (currentX !== lastX) {
        state.right = currentX > lastX;
      }
      state.lastX = currentX;
      const currentY = viewAreaElement.scrollTop;
      const lastY = state.lastY;
      if (currentY !== lastY) {
        state.down = currentY > lastY;
      }
      state.lastY = currentY;
      callback(state);
    });
  };
  const state = {
    right: true,
    down: true,
    lastX: viewAreaElement.scrollLeft,
    lastY: viewAreaElement.scrollTop,
    _eventHandler: debounceScroll
  };
  let rAF = null;
  viewAreaElement.addEventListener("scroll", debounceScroll, true);
  return state;
}
function parseQueryString(query) {
  const params = new Map();
  for (const [key, value] of new URLSearchParams(query)) {
    params.set(key.toLowerCase(), value);
  }
  return params;
}
const NullCharactersRegExp = /\x00/g;
const InvisibleCharactersRegExp = /[\x01-\x1F]/g;
function removeNullCharacters(str, replaceInvisible = false) {
  if (typeof str !== "string") {
    console.error(`The argument must be a string.`);
    return str;
  }
  if (replaceInvisible) {
    str = str.replace(InvisibleCharactersRegExp, " ");
  }
  return str.replace(NullCharactersRegExp, "");
}
function binarySearchFirstItem(items, condition, start = 0) {
  let minIndex = start;
  let maxIndex = items.length - 1;
  if (maxIndex < 0 || !condition(items[maxIndex])) {
    return items.length;
  }
  if (condition(items[minIndex])) {
    return minIndex;
  }
  while (minIndex < maxIndex) {
    const currentIndex = minIndex + maxIndex >> 1;
    const currentItem = items[currentIndex];
    if (condition(currentItem)) {
      maxIndex = currentIndex;
    } else {
      minIndex = currentIndex + 1;
    }
  }
  return minIndex;
}
function approximateFraction(x) {
  if (Math.floor(x) === x) {
    return [x, 1];
  }
  const xinv = 1 / x;
  const limit = 8;
  if (xinv > limit) {
    return [1, limit];
  } else if (Math.floor(xinv) === xinv) {
    return [1, xinv];
  }
  const x_ = x > 1 ? xinv : x;
  let a = 0,
    b = 1,
    c = 1,
    d = 1;
  while (true) {
    const p = a + c,
      q = b + d;
    if (q > limit) {
      break;
    }
    if (x_ <= p / q) {
      c = p;
      d = q;
    } else {
      a = p;
      b = q;
    }
  }
  let result;
  if (x_ - a / b < c / d - x_) {
    result = x_ === x ? [a, b] : [b, a];
  } else {
    result = x_ === x ? [c, d] : [d, c];
  }
  return result;
}
function roundToDivide(x, div) {
  const r = x % div;
  return r === 0 ? x : Math.round(x - r + div);
}
function getPageSizeInches({
  view,
  userUnit,
  rotate
}) {
  const [x1, y1, x2, y2] = view;
  const changeOrientation = rotate % 180 !== 0;
  const width = (x2 - x1) / 72 * userUnit;
  const height = (y2 - y1) / 72 * userUnit;
  return {
    width: changeOrientation ? height : width,
    height: changeOrientation ? width : height
  };
}
function backtrackBeforeAllVisibleElements(index, views, top) {
  if (index < 2) {
    return index;
  }
  let elt = views[index].div;
  let pageTop = elt.offsetTop + elt.clientTop;
  if (pageTop >= top) {
    elt = views[index - 1].div;
    pageTop = elt.offsetTop + elt.clientTop;
  }
  for (let i = index - 2; i >= 0; --i) {
    elt = views[i].div;
    if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
      break;
    }
    index = i;
  }
  return index;
}
function getVisibleElements({
  scrollEl,
  views,
  sortByVisibility = false,
  horizontal = false,
  rtl = false
}) {
  const top = scrollEl.scrollTop,
    bottom = top + scrollEl.clientHeight;
  const left = scrollEl.scrollLeft,
    right = left + scrollEl.clientWidth;
  function isElementBottomAfterViewTop(view) {
    const element = view.div;
    const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
    return elementBottom > top;
  }
  function isElementNextAfterViewHorizontally(view) {
    const element = view.div;
    const elementLeft = element.offsetLeft + element.clientLeft;
    const elementRight = elementLeft + element.clientWidth;
    return rtl ? elementLeft < right : elementRight > left;
  }
  const visible = [],
    ids = new Set(),
    numViews = views.length;
  let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
  if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
    firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
  }
  let lastEdge = horizontal ? right : -1;
  for (let i = firstVisibleElementInd; i < numViews; i++) {
    const view = views[i],
      element = view.div;
    const currentWidth = element.offsetLeft + element.clientLeft;
    const currentHeight = element.offsetTop + element.clientTop;
    const viewWidth = element.clientWidth,
      viewHeight = element.clientHeight;
    const viewRight = currentWidth + viewWidth;
    const viewBottom = currentHeight + viewHeight;
    if (lastEdge === -1) {
      if (viewBottom >= bottom) {
        lastEdge = viewBottom;
      }
    } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
      break;
    }
    if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
      continue;
    }
    const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
    const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
    const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
      fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
    const percent = fractionHeight * fractionWidth * 100 | 0;
    visible.push({
      id: view.id,
      x: currentWidth,
      y: currentHeight,
      view,
      percent,
      widthPercent: fractionWidth * 100 | 0
    });
    ids.add(view.id);
  }
  const first = visible[0],
    last = visible.at(-1);
  if (sortByVisibility) {
    visible.sort(function (a, b) {
      const pc = a.percent - b.percent;
      if (Math.abs(pc) > 0.001) {
        return -pc;
      }
      return a.id - b.id;
    });
  }
  return {
    first,
    last,
    views: visible,
    ids
  };
}
function noContextMenuHandler(evt) {
  evt.preventDefault();
}
function normalizeWheelEventDirection(evt) {
  let delta = Math.hypot(evt.deltaX, evt.deltaY);
  const angle = Math.atan2(evt.deltaY, evt.deltaX);
  if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
    delta = -delta;
  }
  return delta;
}
function normalizeWheelEventDelta(evt) {
  const deltaMode = evt.deltaMode;
  let delta = normalizeWheelEventDirection(evt);
  const MOUSE_PIXELS_PER_LINE = 30;
  const MOUSE_LINES_PER_PAGE = 30;
  if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
    delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
  } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {
    delta /= MOUSE_LINES_PER_PAGE;
  }
  return delta;
}
function isValidRotation(angle) {
  return Number.isInteger(angle) && angle % 90 === 0;
}
function isValidScrollMode(mode) {
  return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
}
function isValidSpreadMode(mode) {
  return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
}
function isPortraitOrientation(size) {
  return size.width <= size.height;
}
const animationStarted = new Promise(function (resolve) {
  window.ngxZone.runOutsideAngular(() => {
    window.requestAnimationFrame(resolve);
  });
});
exports.animationStarted = animationStarted;
const docStyle = document.documentElement.style;
exports.docStyle = docStyle;
function clamp(v, min, max) {
  return Math.min(Math.max(v, min), max);
}
class ProgressBar {
  #classList = null;
  #disableAutoFetchTimeout = null;
  #percent = 0;
  #style = null;
  #visible = true;
  constructor(bar) {
    this.#classList = bar.classList;
    this.#style = bar.style;
  }
  get percent() {
    return this.#percent;
  }
  set percent(val) {
    this.#percent = clamp(val, 0, 100);
    if (isNaN(val)) {
      this.#classList.add("indeterminate");
      return;
    }
    this.#classList.remove("indeterminate");
    this.#style.setProperty("--progressBar-percent", `${this.#percent}%`);
  }
  setWidth(viewer) {
    if (!viewer) {
      return;
    }
    const container = viewer.parentNode;
    const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
    if (scrollbarWidth > 0) {
      this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`);
    }
  }
  setDisableAutoFetch(delay = 5000) {
    if (isNaN(this.#percent)) {
      return;
    }
    if (this.#disableAutoFetchTimeout) {
      clearTimeout(this.#disableAutoFetchTimeout);
    }
    this.show();
    this.#disableAutoFetchTimeout = setTimeout(() => {
      this.#disableAutoFetchTimeout = null;
      this.hide();
    }, delay);
  }
  hide() {
    if (!this.#visible) {
      return;
    }
    this.#visible = false;
    this.#classList.add("hidden");
  }
  show() {
    if (this.#visible) {
      return;
    }
    this.#visible = true;
    this.#classList.remove("hidden");
  }
}
exports.ProgressBar = ProgressBar;
function getActiveOrFocusedElement() {
  let curRoot = document;
  let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
  while (curActiveOrFocused?.shadowRoot) {
    curRoot = curActiveOrFocused.shadowRoot;
    curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
  }
  return curActiveOrFocused;
}
function apiPageLayoutToViewerModes(layout) {
  let scrollMode = ScrollMode.VERTICAL,
    spreadMode = SpreadMode.NONE;
  switch (layout) {
    case "SinglePage":
      scrollMode = ScrollMode.PAGE;
      break;
    case "OneColumn":
      break;
    case "TwoPageLeft":
      scrollMode = ScrollMode.PAGE;
    case "TwoColumnLeft":
      spreadMode = SpreadMode.ODD;
      break;
    case "TwoPageRight":
      scrollMode = ScrollMode.PAGE;
    case "TwoColumnRight":
      spreadMode = SpreadMode.EVEN;
      break;
  }
  return {
    scrollMode,
    spreadMode
  };
}
function apiPageModeToSidebarView(mode) {
  switch (mode) {
    case "UseNone":
      return SidebarView.NONE;
    case "UseThumbs":
      return SidebarView.THUMBS;
    case "UseOutlines":
      return SidebarView.OUTLINE;
    case "UseAttachments":
      return SidebarView.ATTACHMENTS;
    case "UseOC":
      return SidebarView.LAYERS;
  }
  return SidebarView.NONE;
}

/***/ }),
/* 4 */
/***/ ((module) => {



module.exports = window["pdfjs-dist/build/pdf"];

/***/ }),
/* 5 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.compatibilityParams = exports.OptionKind = exports.AppOptions = void 0;
const compatibilityParams = Object.create(null);
exports.compatibilityParams = compatibilityParams;
{
  const userAgent = navigator.userAgent || "";
  const platform = navigator.platform || "";
  const maxTouchPoints = navigator.maxTouchPoints || 1;
  const isAndroid = /Android/.test(userAgent);
  const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
  (function checkCanvasSizeLimitation() {
    if (isIOS || isAndroid) {
      compatibilityParams.maxCanvasPixels = 5242880;
    }
  })();
}
const OptionKind = {
  VIEWER: 0x02,
  API: 0x04,
  WORKER: 0x08,
  PREFERENCE: 0x80
};
exports.OptionKind = OptionKind;
const defaultOptions = {
  annotationEditorMode: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  annotationMode: {
    value: 2,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  cursorToolOnLoad: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  defaultZoomDelay: {
    value: 400,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  defaultZoomValue: {
    value: "",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  disableHistory: {
    value: false,
    kind: OptionKind.VIEWER
  },
  disablePageLabels: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  enablePermissions: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  enablePrintAutoRotate: {
    value: true,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  enableScripting: {
    value: true,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  externalLinkRel: {
    value: "noopener noreferrer nofollow",
    kind: OptionKind.VIEWER
  },
  externalLinkTarget: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  historyUpdateUrl: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  ignoreDestinationZoom: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  imageResourcesPath: {
    value: "./images/",
    kind: OptionKind.VIEWER
  },
  maxCanvasPixels: {
    value: 16777216,
    kind: OptionKind.VIEWER
  },
  forcePageColors: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  pageColorsBackground: {
    value: "Canvas",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  pageColorsForeground: {
    value: "CanvasText",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  pdfBugEnabled: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  printResolution: {
    value: 150,
    kind: OptionKind.VIEWER
  },
  removePageBorders: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  sidebarViewOnLoad: {
    value: -1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  scrollModeOnLoad: {
    value: -1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  spreadModeOnLoad: {
    value: -1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  textLayerMode: {
    value: 1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  useOnlyCssZoom: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  viewerCssTheme: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  viewOnLoad: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  cMapPacked: {
    value: true,
    kind: OptionKind.API
  },
  cMapUrl: {
    value: "../web/cmaps/",
    kind: OptionKind.API
  },
  disableAutoFetch: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  disableFontFace: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  disableRange: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  disableStream: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  docBaseUrl: {
    value: "",
    kind: OptionKind.API
  },
  enableXfa: {
    value: true,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  fontExtraProperties: {
    value: false,
    kind: OptionKind.API
  },
  isEvalSupported: {
    value: true,
    kind: OptionKind.API
  },
  isOffscreenCanvasSupported: {
    value: true,
    kind: OptionKind.API
  },
  maxImageSize: {
    value: -1,
    kind: OptionKind.API
  },
  pdfBug: {
    value: false,
    kind: OptionKind.API
  },
  standardFontDataUrl: {
    value: "../web/standard_fonts/",
    kind: OptionKind.API
  },
  verbosity: {
    value: 1,
    kind: OptionKind.API
  },
  workerPort: {
    value: null,
    kind: OptionKind.WORKER
  },
  workerSrc: {
    value: "./assets/pdf.worker.js",
    kind: OptionKind.WORKER
  }
};
{
  defaultOptions.defaultUrl = {
    value: "compressed.tracemonkey-pldi-09.pdf",
    kind: OptionKind.VIEWER
  };
  defaultOptions.disablePreferences = {
    value: false,
    kind: OptionKind.VIEWER
  };
  defaultOptions.locale = {
    value: navigator.language || "en-US",
    kind: OptionKind.VIEWER
  };
  defaultOptions.renderer = {
    value: "canvas",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  };
  defaultOptions.sandboxBundleSrc = {
    value: "../build/pdf.sandbox.js",
    kind: OptionKind.VIEWER
  };
}
const userOptions = Object.create(null);
if (globalThis.pdfDefaultOptions) {
  for (const key in globalThis.pdfDefaultOptions) {
    userOptions[key] = globalThis.pdfDefaultOptions[key];
  }
}
class AppOptions {
  constructor() {
    throw new Error("Cannot initialize AppOptions.");
  }
  static get(name) {
    const userOption = userOptions[name];
    if (userOption !== undefined) {
      return userOption;
    }
    const defaultOption = defaultOptions[name];
    if (defaultOption !== undefined) {
      return compatibilityParams[name] ?? defaultOption.value;
    }
    return undefined;
  }
  static getAll(kind = null) {
    const options = Object.create(null);
    for (const name in defaultOptions) {
      const defaultOption = defaultOptions[name];
      if (kind) {
        if ((kind & defaultOption.kind) === 0) {
          continue;
        }
        if (kind === OptionKind.PREFERENCE) {
          const value = defaultOption.value,
            valueType = typeof value;
          if (valueType === "boolean" || valueType === "string" || valueType === "number" && Number.isInteger(value)) {
            options[name] = value;
            continue;
          }
          throw new Error(`Invalid type for preference: ${name}`);
        }
      }
      const userOption = userOptions[name];
      options[name] = userOption !== undefined ? userOption : compatibilityParams[name] ?? defaultOption.value;
    }
    return options;
  }
  static set(name, value) {
    userOptions[name] = value;
  }
  static setAll(options) {
    for (const name in options) {
      userOptions[name] = options[name];
    }
  }
  static remove(name) {
    delete userOptions[name];
  }
}
exports.AppOptions = AppOptions;
{
  AppOptions._hasUserOptions = function () {
    return Object.keys(userOptions).length > 0;
  };
}

/***/ }),
/* 6 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.WaitOnType = exports.EventBus = exports.AutomationEventBus = void 0;
exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
const WaitOnType = {
  EVENT: "event",
  TIMEOUT: "timeout"
};
exports.WaitOnType = WaitOnType;
function waitOnEventOrTimeout({
  target,
  name,
  delay = 0
}) {
  return new Promise(function (resolve, reject) {
    if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
      throw new Error("waitOnEventOrTimeout - invalid parameters.");
    }
    function handler(type) {
      if (target instanceof EventBus) {
        target._off(name, eventHandler);
      } else {
        target.removeEventListener(name, eventHandler);
      }
      if (timeout) {
        clearTimeout(timeout);
      }
      resolve(type);
    }
    const eventHandler = handler.bind(null, WaitOnType.EVENT);
    if (target instanceof EventBus) {
      target._on(name, eventHandler);
    } else {
      target.addEventListener(name, eventHandler);
    }
    const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
    const timeout = setTimeout(timeoutHandler, delay);
  });
}
class EventBus {
  #listeners = Object.create(null);
  on(eventName, listener, options = null) {
    this._on(eventName, listener, {
      external: true,
      once: options?.once
    });
  }
  off(eventName, listener, options = null) {
    this._off(eventName, listener, {
      external: true,
      once: options?.once
    });
  }
  dispatch(eventName, data) {
    const eventListeners = this.#listeners[eventName];
    if (!eventListeners || eventListeners.length === 0) {
      return;
    }
    let externalListeners;
    for (const {
      listener,
      external,
      once
    } of eventListeners.slice(0)) {
      if (once) {
        this._off(eventName, listener);
      }
      if (external) {
        (externalListeners ||= []).push(listener);
        continue;
      }
      listener(data);
    }
    if (externalListeners) {
      for (const listener of externalListeners) {
        listener(data);
      }
      externalListeners = null;
    }
  }
  _on(eventName, listener, options = null) {
    const eventListeners = this.#listeners[eventName] ||= [];
    eventListeners.push({
      listener,
      external: options?.external === true,
      once: options?.once === true
    });
  }
  _off(eventName, listener, options = null) {
    const eventListeners = this.#listeners[eventName];
    if (!eventListeners) {
      return;
    }
    for (let i = 0, ii = eventListeners.length; i < ii; i++) {
      if (eventListeners[i].listener === listener) {
        eventListeners.splice(i, 1);
        return;
      }
    }
  }
}
exports.EventBus = EventBus;
class AutomationEventBus extends EventBus {
  dispatch(eventName, data) {
    throw new Error("Not implemented: AutomationEventBus.dispatch");
  }
}
exports.AutomationEventBus = AutomationEventBus;

/***/ }),
/* 7 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.SimpleLinkService = exports.PDFLinkService = exports.LinkTarget = void 0;
var _ui_utils = __webpack_require__(3);
const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
const LinkTarget = {
  NONE: 0,
  SELF: 1,
  BLANK: 2,
  PARENT: 3,
  TOP: 4
};
exports.LinkTarget = LinkTarget;
function addLinkAttributes(link, {
  url,
  target,
  rel,
  enabled = true
} = {}) {
  if (!url || typeof url !== "string") {
    throw new Error('A valid "url" parameter must provided.');
  }
  const urlNullRemoved = (0, _ui_utils.removeNullCharacters)(url);
  if (enabled) {
    link.href = link.title = urlNullRemoved;
  } else {
    link.href = "";
    link.title = `Disabled: ${urlNullRemoved}`;
    link.onclick = () => {
      return false;
    };
  }
  let targetStr = "";
  switch (target) {
    case LinkTarget.NONE:
      break;
    case LinkTarget.SELF:
      targetStr = "_self";
      break;
    case LinkTarget.BLANK:
      targetStr = "_blank";
      break;
    case LinkTarget.PARENT:
      targetStr = "_parent";
      break;
    case LinkTarget.TOP:
      targetStr = "_top";
      break;
  }
  link.target = targetStr;
  link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
}
class PDFLinkService {
  #pagesRefCache = new Map();
  constructor({
    eventBus,
    externalLinkTarget = null,
    externalLinkRel = null,
    ignoreDestinationZoom = false
  } = {}) {
    this.eventBus = eventBus;
    this.externalLinkTarget = externalLinkTarget;
    this.externalLinkRel = externalLinkRel;
    this.externalLinkEnabled = true;
    this._ignoreDestinationZoom = ignoreDestinationZoom;
    this.baseUrl = null;
    this.pdfDocument = null;
    this.pdfViewer = null;
    this.pdfHistory = null;
  }
  setDocument(pdfDocument, baseUrl = null) {
    this.baseUrl = baseUrl;
    this.pdfDocument = pdfDocument;
    this.#pagesRefCache.clear();
  }
  setViewer(pdfViewer) {
    this.pdfViewer = pdfViewer;
  }
  setHistory(pdfHistory) {
    this.pdfHistory = pdfHistory;
  }
  get pagesCount() {
    return this.pdfDocument ? this.pdfDocument.numPages : 0;
  }
  get page() {
    return this.pdfViewer.currentPageNumber;
  }
  set page(value) {
    this.pdfViewer.currentPageNumber = value;
  }
  get rotation() {
    return this.pdfViewer.pagesRotation;
  }
  set rotation(value) {
    this.pdfViewer.pagesRotation = value;
  }
  get isInPresentationMode() {
    return this.pdfViewer.isInPresentationMode;
  }
  #goToDestinationHelper(rawDest, namedDest = null, explicitDest) {
    const destRef = explicitDest[0];
    let pageNumber;
    if (typeof destRef === "object" && destRef !== null) {
      pageNumber = this._cachedPageNumber(destRef);
      if (!pageNumber) {
        this.pdfDocument.getPageIndex(destRef).then(pageIndex => {
          this.cachePageRef(pageIndex + 1, destRef);
          this.#goToDestinationHelper(rawDest, namedDest, explicitDest);
        }).catch(() => {
          Window['ngxConsole'].error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`);
        });
        return;
      }
    } else if (Number.isInteger(destRef)) {
      pageNumber = destRef + 1;
    } else {
      Window['ngxConsole'].error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`);
      return;
    }
    if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
      Window['ngxConsole'].error(`PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`);
      return;
    }
    if (this.pdfHistory) {
      this.pdfHistory.pushCurrentPosition();
      this.pdfHistory.push({
        namedDest,
        explicitDest,
        pageNumber
      });
    }
    this.pdfViewer.scrollPageIntoView({
      pageNumber,
      destArray: explicitDest,
      ignoreDestinationZoom: this._ignoreDestinationZoom
    });
  }
  async goToDestination(dest) {
    if (!this.pdfDocument) {
      return;
    }
    let namedDest, explicitDest;
    if (typeof dest === "string") {
      namedDest = dest;
      explicitDest = await this.pdfDocument.getDestination(dest);
    } else {
      namedDest = null;
      explicitDest = await dest;
    }
    if (!Array.isArray(explicitDest)) {
      Window['ngxConsole'].error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`);
      return;
    }
    this.#goToDestinationHelper(dest, namedDest, explicitDest);
  }
  goToPage(val) {
    if (!this.pdfDocument) {
      return;
    }
    const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
    if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
      Window['ngxConsole'].error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
      return;
    }
    if (this.pdfHistory) {
      this.pdfHistory.pushCurrentPosition();
      this.pdfHistory.pushPage(pageNumber);
    }
    if (this.pdfViewer.pageViewMode === "book") {
      if (this.pdfViewer.pageFlip) {
        this.pdfViewer.ensureAdjecentPagesAreLoaded();
        const evenPage = this.pdfViewer.currentPageNumber - this.pdfViewer.currentPageNumber % 2;
        const evenTargetPage = pageNumber - pageNumber % 2;
        if (evenPage === evenTargetPage - 2) {
          this.pdfViewer.pageFlip.flipNext();
        } else if (evenPage === evenTargetPage + 2) {
          this.pdfViewer.pageFlip.flipPrev();
        } else {
          this.pdfViewer.pageFlip.turnToPage(pageNumber - 1);
        }
      }
    } else {
      this.pdfViewer.scrollPageIntoView({
        pageNumber
      });
    }
  }
  addLinkAttributes(link, url, newWindow = false) {
    addLinkAttributes(link, {
      url,
      target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
      rel: this.externalLinkRel,
      enabled: this.externalLinkEnabled
    });
  }
  getDestinationHash(dest) {
    if (typeof dest === "string") {
      if (dest.length > 0) {
        return this.getAnchorUrl("#" + escape(dest));
      }
    } else if (Array.isArray(dest)) {
      const str = JSON.stringify(dest);
      if (str.length > 0) {
        return this.getAnchorUrl("#" + escape(str));
      }
    }
    return this.getAnchorUrl("");
  }
  getAnchorUrl(anchor) {
    return (this.baseUrl || "") + anchor;
  }
  setHash(hash) {
    if (!this.pdfDocument) {
      return;
    }
    let pageNumber, dest;
    if (hash.includes("=")) {
      const params = (0, _ui_utils.parseQueryString)(hash);
      if (params.has("search")) {
        this.eventBus.dispatch("findfromurlhash", {
          source: this,
          query: params.get("search").replace(/"/g, ""),
          phraseSearch: params.get("phrase") === "true"
        });
      }
      if (params.has("page")) {
        pageNumber = params.get("page") | 0 || 1;
      }
      if (params.has("zoom")) {
        const zoomArgs = params.get("zoom").split(",");
        const zoomArg = zoomArgs[0];
        const zoomArgNumber = parseFloat(zoomArg);
        if (!zoomArg.includes("Fit")) {
          dest = [null, {
            name: "XYZ"
          }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
        } else {
          if (zoomArg === "Fit" || zoomArg === "FitB") {
            dest = [null, {
              name: zoomArg
            }];
          } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
            dest = [null, {
              name: zoomArg
            }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
          } else if (zoomArg === "FitR") {
            if (zoomArgs.length !== 5) {
              Window['ngxConsole'].error('PDFLinkService.setHash: Not enough parameters for "FitR".');
            } else {
              dest = [null, {
                name: zoomArg
              }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
            }
          } else {
            Window['ngxConsole'].error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`);
          }
        }
      }
      if (dest) {
        this.pdfViewer.scrollPageIntoView({
          pageNumber: pageNumber || this.page,
          destArray: dest,
          allowNegativeOffset: true
        });
      } else if (pageNumber) {
        this.page = pageNumber;
      }
      if (params.has("pagemode")) {
        this.eventBus.dispatch("pagemode", {
          source: this,
          mode: params.get("pagemode")
        });
      }
      if (params.has("nameddest")) {
        this.goToDestination(params.get("nameddest"));
      }
    } else {
      dest = unescape(hash);
      try {
        dest = JSON.parse(dest);
        if (!Array.isArray(dest)) {
          dest = dest.toString();
        }
      } catch (ex) {}
      if (typeof dest === "string" || PDFLinkService.#isValidExplicitDestination(dest)) {
        this.goToDestination(dest);
        return;
      }
      Window['ngxConsole'].error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`);
    }
  }
  executeNamedAction(action) {
    switch (action) {
      case "GoBack":
        this.pdfHistory?.back();
        break;
      case "GoForward":
        this.pdfHistory?.forward();
        break;
      case "NextPage":
        this.pdfViewer.nextPage();
        break;
      case "PrevPage":
        this.pdfViewer.previousPage();
        break;
      case "LastPage":
        this.page = this.pagesCount;
        break;
      case "FirstPage":
        this.page = 1;
        break;
      default:
        break;
    }
    this.eventBus.dispatch("namedaction", {
      source: this,
      action
    });
  }
  async executeSetOCGState(action) {
    const pdfDocument = this.pdfDocument;
    const optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise;
    if (pdfDocument !== this.pdfDocument) {
      return;
    }
    let operator;
    for (const elem of action.state) {
      switch (elem) {
        case "ON":
        case "OFF":
        case "Toggle":
          operator = elem;
          continue;
      }
      switch (operator) {
        case "ON":
          optionalContentConfig.setVisibility(elem, true);
          break;
        case "OFF":
          optionalContentConfig.setVisibility(elem, false);
          break;
        case "Toggle":
          const group = optionalContentConfig.getGroup(elem);
          if (group) {
            optionalContentConfig.setVisibility(elem, !group.visible);
          }
          break;
      }
    }
    this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig);
  }
  cachePageRef(pageNum, pageRef) {
    if (!pageRef) {
      return;
    }
    const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
    this.#pagesRefCache.set(refStr, pageNum);
  }
  _cachedPageNumber(pageRef) {
    if (!pageRef) {
      return null;
    }
    const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
    return this.#pagesRefCache.get(refStr) || null;
  }
  isPageVisible(pageNumber) {
    return this.pdfViewer.isPageVisible(pageNumber);
  }
  isPageCached(pageNumber) {
    return this.pdfViewer.isPageCached(pageNumber);
  }
  static #isValidExplicitDestination(dest) {
    if (!Array.isArray(dest)) {
      return false;
    }
    const destLength = dest.length;
    if (destLength < 2) {
      return false;
    }
    const page = dest[0];
    if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
      return false;
    }
    const zoom = dest[1];
    if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
      return false;
    }
    let allowNull = true;
    switch (zoom.name) {
      case "XYZ":
        if (destLength !== 5) {
          return false;
        }
        break;
      case "Fit":
      case "FitB":
        return destLength === 2;
      case "FitH":
      case "FitBH":
      case "FitV":
      case "FitBV":
        if (destLength !== 3) {
          return false;
        }
        break;
      case "FitR":
        if (destLength !== 6) {
          return false;
        }
        allowNull = false;
        break;
      default:
        return false;
    }
    for (let i = 2; i < destLength; i++) {
      const param = dest[i];
      if (!(typeof param === "number" || allowNull && param === null)) {
        return false;
      }
    }
    return true;
  }
}
exports.PDFLinkService = PDFLinkService;
class SimpleLinkService {
  constructor() {
    this.externalLinkEnabled = true;
  }
  get pagesCount() {
    return 0;
  }
  get page() {
    return 0;
  }
  set page(value) {}
  get rotation() {
    return 0;
  }
  set rotation(value) {}
  get isInPresentationMode() {
    return false;
  }
  async goToDestination(dest) {}
  goToPage(val) {}
  addLinkAttributes(link, url, newWindow = false) {
    addLinkAttributes(link, {
      url,
      enabled: this.externalLinkEnabled
    });
  }
  getDestinationHash(dest) {
    return "#";
  }
  getAnchorUrl(hash) {
    return "#";
  }
  setHash(hash) {}
  executeNamedAction(action) {}
  executeSetOCGState(action) {}
  cachePageRef(pageNum, pageRef) {}
  isPageVisible(pageNumber) {
    return true;
  }
  isPageCached(pageNumber) {
    return true;
  }
}
exports.SimpleLinkService = SimpleLinkService;

/***/ }),
/* 8 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.AnnotationEditorParams = void 0;
var _pdfjsLib = __webpack_require__(4);
class AnnotationEditorParams {
  constructor(options, eventBus) {
    this.eventBus = eventBus;
    this.#bindListeners(options);
  }
  #bindListeners({
    editorFreeTextFontSize,
    editorFreeTextColor,
    editorInkColor,
    editorInkThickness,
    editorInkOpacity
  }) {
    editorFreeTextFontSize.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE,
        value: editorFreeTextFontSize.valueAsNumber
      });
    });
    editorFreeTextColor.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR,
        value: editorFreeTextColor.value
      });
    });
    editorInkColor.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.INK_COLOR,
        value: editorInkColor.value
      });
    });
    editorInkThickness.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS,
        value: editorInkThickness.valueAsNumber
      });
    });
    editorInkOpacity.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY,
        value: editorInkOpacity.valueAsNumber
      });
    });
    this.eventBus._on("annotationeditorparamschanged", evt => {
      for (const [type, value] of evt.details) {
        switch (type) {
          case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE:
            editorFreeTextFontSize.value = value;
            break;
          case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR:
            editorFreeTextColor.value = value;
            break;
          case _pdfjsLib.AnnotationEditorParamsType.INK_COLOR:
            editorInkColor.value = value;
            break;
          case _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS:
            editorInkThickness.value = value;
            break;
          case _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY:
            editorInkOpacity.value = value;
            break;
        }
      }
    });
  }
}
exports.AnnotationEditorParams = AnnotationEditorParams;

/***/ }),
/* 9 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.OverlayManager = void 0;
class OverlayManager {
  #overlays = new WeakMap();
  #active = null;
  get active() {
    return this.#active;
  }
  async register(dialog, canForceClose = false) {
    if (typeof dialog !== "object") {
      throw new Error("Not enough parameters.");
    } else if (this.#overlays.has(dialog)) {
      throw new Error("The overlay is already registered.");
    }
    this.#overlays.set(dialog, {
      canForceClose
    });
    dialog.addEventListener("cancel", evt => {
      this.#active = null;
    });
  }
  async unregister(dialog) {
    if (!this.#overlays.has(dialog)) {
      throw new Error("The overlay does not exist.");
    } else if (this.#active === dialog) {
      throw new Error("The overlay cannot be removed while it is active.");
    }
    this.#overlays.delete(dialog);
  }
  async open(dialog) {
    if (!this.#overlays.has(dialog)) {
      throw new Error("The overlay does not exist.");
    } else if (this.#active) {
      if (this.#active === dialog) {
        throw new Error("The overlay is already active.");
      } else if (this.#overlays.get(dialog).canForceClose) {
        await this.close();
      } else {
        throw new Error("Another overlay is currently active.");
      }
    }
    this.#active = dialog;
    dialog.showModal();
    dialog.classList.remove("hidden");
  }
  async close(dialog = this.#active) {
    if (!this.#overlays.has(dialog)) {
      throw new Error("The overlay does not exist.");
    } else if (!this.#active) {
      throw new Error("The overlay is currently not active.");
    } else if (this.#active !== dialog) {
      throw new Error("Another overlay is currently active.");
    }
    dialog.close();
    this.#active = null;
  }
}
exports.OverlayManager = OverlayManager;

/***/ }),
/* 10 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PasswordPrompt = void 0;
var _pdfjsLib = __webpack_require__(4);
class PasswordPrompt {
  #activeCapability = null;
  #updateCallback = null;
  #reason = null;
  constructor(options, overlayManager, l10n, isViewerEmbedded = false) {
    this.dialog = options.dialog;
    this.label = options.label;
    this.input = options.input;
    this.submitButton = options.submitButton;
    this.cancelButton = options.cancelButton;
    this.overlayManager = overlayManager;
    this.l10n = l10n;
    this._isViewerEmbedded = isViewerEmbedded;
    this.submitButton.addEventListener("click", this.#verify.bind(this));
    this.cancelButton.addEventListener("click", this.close.bind(this));
    this.input.addEventListener("keydown", e => {
      if (e.keyCode === 13) {
        this.#verify();
      }
    });
    this.overlayManager.register(this.dialog, true);
    this.dialog.addEventListener("close", this.#cancel.bind(this));
  }
  async open() {
    if (this.#activeCapability) {
      await this.#activeCapability.promise;
    }
    this.#activeCapability = (0, _pdfjsLib.createPromiseCapability)();
    try {
      await this.overlayManager.open(this.dialog);
      this.input.type = "password";
      this.input.focus();
    } catch (ex) {
      this.#activeCapability = null;
      throw ex;
    }
    const passwordIncorrect = this.#reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD;
    if (!this._isViewerEmbedded || passwordIncorrect) {
      this.input.focus();
    }
    this.label.textContent = await this.l10n.get(`password_${passwordIncorrect ? "invalid" : "label"}`);
  }
  async close() {
    if (this.overlayManager.active === this.dialog) {
      this.overlayManager.close(this.dialog);
      this.input.value = "";
      this.input.type = "hidden";
    }
  }
  #verify() {
    const password = this.input.value;
    if (password?.length > 0) {
      this.#invokeCallback(password);
    }
  }
  #cancel() {
    this.#invokeCallback(new Error("PasswordPrompt cancelled."));
    this.#activeCapability.resolve();
  }
  #invokeCallback(password) {
    if (!this.#updateCallback) {
      return;
    }
    this.close();
    this.input.value = "";
    this.#updateCallback(password);
    this.#updateCallback = null;
  }
  async setUpdateCallback(updateCallback, reason) {
    if (this.#activeCapability) {
      await this.#activeCapability.promise;
    }
    this.#updateCallback = updateCallback;
    this.#reason = reason;
  }
}
exports.PasswordPrompt = PasswordPrompt;

/***/ }),
/* 11 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFAttachmentViewer = void 0;
var _pdfjsLib = __webpack_require__(4);
var _base_tree_viewer = __webpack_require__(12);
var _event_utils = __webpack_require__(6);
class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer {
  constructor(options) {
    super(options);
    this.downloadManager = options.downloadManager;
    this.eventBus._on("fileattachmentannotation", this.#appendAttachment.bind(this));
  }
  reset(keepRenderedCapability = false) {
    super.reset();
    this._attachments = null;
    if (!keepRenderedCapability) {
      this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
    }
    this._pendingDispatchEvent = false;
  }
  async _dispatchEvent(attachmentsCount) {
    this._renderedCapability.resolve();
    if (attachmentsCount === 0 && !this._pendingDispatchEvent) {
      this._pendingDispatchEvent = true;
      await (0, _event_utils.waitOnEventOrTimeout)({
        target: this.eventBus,
        name: "annotationlayerrendered",
        delay: 1000
      });
      if (!this._pendingDispatchEvent) {
        return;
      }
    }
    this._pendingDispatchEvent = false;
    this.eventBus.dispatch("attachmentsloaded", {
      source: this,
      attachmentsCount
    });
  }
  _bindLink(element, {
    content,
    filename
  }) {
    element.onclick = () => {
      this.downloadManager.openOrDownloadData(element, content, filename);
      return false;
    };
  }
  render({
    attachments,
    keepRenderedCapability = false
  }) {
    if (this._attachments) {
      this.reset(keepRenderedCapability);
    }
    this._attachments = attachments || null;
    if (!attachments) {
      this._dispatchEvent(0);
      return;
    }
    const names = Object.keys(attachments).sort(function (a, b) {
      return a.toLowerCase().localeCompare(b.toLowerCase());
    });
    const fragment = document.createDocumentFragment();
    let attachmentsCount = 0;
    for (const name of names) {
      const item = attachments[name];
      const content = item.content,
        filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename, true);
      const div = document.createElement("div");
      div.className = "treeItem";
      const element = document.createElement("a");
      this._bindLink(element, {
        content,
        filename
      });
      element.textContent = this._normalizeTextContent(filename);
      div.append(element);
      fragment.append(div);
      attachmentsCount++;
    }
    this._finishRendering(fragment, attachmentsCount);
  }
  #appendAttachment({
    filename,
    content
  }) {
    const renderedPromise = this._renderedCapability.promise;
    renderedPromise.then(() => {
      if (renderedPromise !== this._renderedCapability.promise) {
        return;
      }
      const attachments = this._attachments || Object.create(null);
      for (const name in attachments) {
        if (filename === name) {
          return;
        }
      }
      attachments[filename] = {
        filename,
        content
      };
      this.render({
        attachments,
        keepRenderedCapability: true
      });
    });
  }
}
exports.PDFAttachmentViewer = PDFAttachmentViewer;

/***/ }),
/* 12 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.BaseTreeViewer = void 0;
var _ui_utils = __webpack_require__(3);
const TREEITEM_OFFSET_TOP = -100;
const TREEITEM_SELECTED_CLASS = "selected";
class BaseTreeViewer {
  constructor(options) {
    if (this.constructor === BaseTreeViewer) {
      throw new Error("Cannot initialize BaseTreeViewer.");
    }
    this.container = options.container;
    this.eventBus = options.eventBus;
    this.reset();
  }
  reset() {
    this._pdfDocument = null;
    this._lastToggleIsShow = true;
    this._currentTreeItem = null;
    this.container.textContent = "";
    this.container.classList.remove("treeWithDeepNesting");
  }
  _dispatchEvent(count) {
    throw new Error("Not implemented: _dispatchEvent");
  }
  _bindLink(element, params) {
    throw new Error("Not implemented: _bindLink");
  }
  _normalizeTextContent(str) {
    return (0, _ui_utils.removeNullCharacters)(str, true) || "\u2013";
  }
  _addToggleButton(div, hidden = false) {
    const toggler = document.createElement("div");
    toggler.className = "treeItemToggler";
    if (hidden) {
      toggler.classList.add("treeItemsHidden");
    }
    toggler.onclick = evt => {
      evt.stopPropagation();
      toggler.classList.toggle("treeItemsHidden");
      if (evt.shiftKey) {
        const shouldShowAll = !toggler.classList.contains("treeItemsHidden");
        this._toggleTreeItem(div, shouldShowAll);
      }
    };
    div.prepend(toggler);
  }
  _toggleTreeItem(root, show = false) {
    this._lastToggleIsShow = show;
    for (const toggler of root.querySelectorAll(".treeItemToggler")) {
      toggler.classList.toggle("treeItemsHidden", !show);
    }
  }
  _toggleAllTreeItems() {
    this._toggleTreeItem(this.container, !this._lastToggleIsShow);
  }
  _finishRendering(fragment, count, hasAnyNesting = false) {
    if (hasAnyNesting) {
      this.container.classList.add("treeWithDeepNesting");
      this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden");
    }
    this.container.append(fragment);
    this._dispatchEvent(count);
  }
  render(params) {
    throw new Error("Not implemented: render");
  }
  _updateCurrentTreeItem(treeItem = null) {
    if (this._currentTreeItem) {
      this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
      this._currentTreeItem = null;
    }
    if (treeItem) {
      treeItem.classList.add(TREEITEM_SELECTED_CLASS);
      this._currentTreeItem = treeItem;
    }
  }
  _scrollToCurrentTreeItem(treeItem) {
    if (!treeItem) {
      return;
    }
    let currentNode = treeItem.parentNode;
    while (currentNode && currentNode !== this.container) {
      if (currentNode.classList.contains("treeItem")) {
        const toggler = currentNode.firstElementChild;
        toggler?.classList.remove("treeItemsHidden");
      }
      currentNode = currentNode.parentNode;
    }
    this._updateCurrentTreeItem(treeItem);
    this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP);
  }
}
exports.BaseTreeViewer = BaseTreeViewer;

/***/ }),
/* 13 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFCursorTools = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
var _grab_to_pan = __webpack_require__(14);
class PDFCursorTools {
  constructor({
    container,
    eventBus,
    cursorToolOnLoad = _ui_utils.CursorTool.SELECT
  }) {
    this.container = container;
    this.eventBus = eventBus;
    this.active = _ui_utils.CursorTool.SELECT;
    this.previouslyActive = null;
    this.handTool = new _grab_to_pan.GrabToPan({
      element: this.container
    });
    this.#addEventListeners();
    Promise.resolve().then(() => {
      this.switchTool(cursorToolOnLoad);
    });
  }
  get activeTool() {
    return this.active;
  }
  switchTool(tool) {
    if (this.previouslyActive !== null) {
      return;
    }
    if (tool === this.active) {
      return;
    }
    const disableActiveTool = () => {
      switch (this.active) {
        case _ui_utils.CursorTool.SELECT:
          break;
        case _ui_utils.CursorTool.HAND:
          this.handTool.deactivate();
          break;
        case _ui_utils.CursorTool.ZOOM:
      }
    };
    switch (tool) {
      case _ui_utils.CursorTool.SELECT:
        disableActiveTool();
        break;
      case _ui_utils.CursorTool.HAND:
        disableActiveTool();
        this.handTool.activate();
        break;
      case _ui_utils.CursorTool.ZOOM:
      default:
        Window['ngxConsole'].error(`switchTool: "${tool}" is an unsupported value.`);
        return;
    }
    this.active = tool;
    this.#dispatchEvent();
  }
  #dispatchEvent() {
    this.eventBus.dispatch("cursortoolchanged", {
      source: this,
      tool: this.active
    });
  }
  #addEventListeners() {
    this.eventBus._on("switchcursortool", evt => {
      this.switchTool(evt.tool);
    });
    let annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE,
      presentationModeState = _ui_utils.PresentationModeState.NORMAL;
    const disableActive = () => {
      const previouslyActive = this.active;
      this.switchTool(_ui_utils.CursorTool.SELECT);
      this.previouslyActive ??= previouslyActive;
    };
    const enableActive = () => {
      const previouslyActive = this.previouslyActive;
      if (previouslyActive !== null && annotationEditorMode === _pdfjsLib.AnnotationEditorType.NONE && presentationModeState === _ui_utils.PresentationModeState.NORMAL) {
        this.previouslyActive = null;
        this.switchTool(previouslyActive);
      }
    };
    this.eventBus._on("secondarytoolbarreset", evt => {
      if (this.previouslyActive !== null) {
        annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
        presentationModeState = _ui_utils.PresentationModeState.NORMAL;
        enableActive();
      }
    });
    this.eventBus._on("annotationeditormodechanged", ({
      mode
    }) => {
      annotationEditorMode = mode;
      if (mode === _pdfjsLib.AnnotationEditorType.NONE) {
        enableActive();
      } else {
        disableActive();
      }
    });
    this.eventBus._on("presentationmodechanged", ({
      state
    }) => {
      presentationModeState = state;
      if (state === _ui_utils.PresentationModeState.NORMAL) {
        enableActive();
      } else if (state === _ui_utils.PresentationModeState.FULLSCREEN) {
        disableActive();
      }
    });
  }
}
exports.PDFCursorTools = PDFCursorTools;

/***/ }),
/* 14 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.GrabToPan = void 0;
const CSS_CLASS_GRAB = "grab-to-pan-grab";
class GrabToPan {
  constructor(options) {
    this.element = options.element;
    this.document = options.element.ownerDocument;
    if (typeof options.ignoreTarget === "function") {
      this.ignoreTarget = options.ignoreTarget;
    }
    this.onActiveChanged = options.onActiveChanged;
    this.activate = this.activate.bind(this);
    this.deactivate = this.deactivate.bind(this);
    this.toggle = this.toggle.bind(this);
    this._onMouseDown = this.#onMouseDown.bind(this);
    this._onMouseMove = this.#onMouseMove.bind(this);
    this._endPan = this.#endPan.bind(this);
    const overlay = this.overlay = document.createElement("div");
    overlay.className = "grab-to-pan-grabbing";
  }
  activate() {
    if (!this.active) {
      this.active = true;
      this.element.addEventListener("mousedown", this._onMouseDown);
      this.element.classList.add(CSS_CLASS_GRAB);
      this.onActiveChanged?.(true);
    }
  }
  deactivate() {
    if (this.active) {
      this.active = false;
      this.element.removeEventListener("mousedown", this._onMouseDown);
      this._endPan();
      this.element.classList.remove(CSS_CLASS_GRAB);
      this.onActiveChanged?.(false);
    }
  }
  toggle() {
    if (this.active) {
      this.deactivate();
    } else {
      this.activate();
    }
  }
  ignoreTarget(node) {
    if (document.querySelector(".stf__item")) {
      return true;
    }
    return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option");
  }
  #onMouseDown(event) {
    if (event.button !== 0 || this.ignoreTarget(event.target)) {
      return;
    }
    if (event.originalTarget) {
      try {
        event.originalTarget.tagName;
      } catch (e) {
        return;
      }
    }
    this.scrollLeftStart = this.element.scrollLeft;
    this.scrollTopStart = this.element.scrollTop;
    this.clientXStart = event.clientX;
    this.clientYStart = event.clientY;
    if (isOverPerfectScrollbar(this.clientXStart, this.clientYStart, "ps__rail-x")) {
      return;
    }
    if (isOverPerfectScrollbar(this.clientXStart, this.clientYStart, "ps__rail-y")) {
      return;
    }
    this.document.addEventListener("mousemove", this._onMouseMove, true);
    this.document.addEventListener("mouseup", this._endPan, true);
    this.element.addEventListener("scroll", this._endPan, true);
    event.preventDefault();
    event.stopPropagation();
    const focusedElement = document.activeElement;
    if (focusedElement && !focusedElement.contains(event.target)) {
      focusedElement.blur();
    }
  }
  #onMouseMove(event) {
    this.element.removeEventListener("scroll", this._endPan, true);
    if (!(event.buttons & 1)) {
      this._endPan();
      return;
    }
    const xDiff = event.clientX - this.clientXStart;
    const yDiff = event.clientY - this.clientYStart;
    const scrollTop = this.scrollTopStart - yDiff;
    const scrollLeft = this.scrollLeftStart - xDiff;
    if (this.element.scrollTo) {
      this.element.scrollTo({
        top: scrollTop,
        left: scrollLeft,
        behavior: "instant"
      });
    } else {
      this.element.scrollTop = scrollTop;
      this.element.scrollLeft = scrollLeft;
    }
    if (!this.overlay.parentNode) {
      document.body.append(this.overlay);
    }
  }
  #endPan() {
    this.element.removeEventListener("scroll", this._endPan, true);
    this.document.removeEventListener("mousemove", this._onMouseMove, true);
    this.document.removeEventListener("mouseup", this._endPan, true);
    this.overlay.remove();
  }
}
exports.GrabToPan = GrabToPan;
function isOverPerfectScrollbar(x, y, divName) {
  const perfectScrollbar = document.getElementsByClassName(divName);
  if (perfectScrollbar && perfectScrollbar.length === 1) {
    var {
      top,
      right,
      bottom,
      left
    } = perfectScrollbar[0].getBoundingClientRect();
    if (y >= top && y <= bottom) {
      if (x <= right && x >= left) {
        return true;
      }
    }
  }
  return false;
}

/***/ }),
/* 15 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFDocumentProperties = void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
const DEFAULT_FIELD_CONTENT = "-";
const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
const US_PAGE_NAMES = {
  "8.5x11": "Letter",
  "8.5x14": "Legal"
};
const METRIC_PAGE_NAMES = {
  "297x420": "A3",
  "210x297": "A4"
};
function getPageName(size, isPortrait, pageNames) {
  const width = isPortrait ? size.width : size.height;
  const height = isPortrait ? size.height : size.width;
  return pageNames[`${width}x${height}`];
}
class PDFDocumentProperties {
  #fieldData = null;
  constructor({
    dialog,
    fields,
    closeButton
  }, overlayManager, eventBus, l10n, fileNameLookup) {
    this.dialog = dialog;
    this.fields = fields;
    this.overlayManager = overlayManager;
    this.l10n = l10n;
    this._fileNameLookup = fileNameLookup;
    this.#reset();
    closeButton.addEventListener("click", this.close.bind(this));
    this.overlayManager.register(this.dialog);
    eventBus._on("pagechanging", evt => {
      this._currentPageNumber = evt.pageNumber;
    });
    eventBus._on("rotationchanging", evt => {
      this._pagesRotation = evt.pagesRotation;
    });
    this._isNonMetricLocale = true;
    l10n.getLanguage().then(locale => {
      this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
    });
  }
  async open() {
    await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]);
    const currentPageNumber = this._currentPageNumber;
    const pagesRotation = this._pagesRotation;
    if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) {
      this.#updateUI();
      return;
    }
    const {
      info,
      contentLength
    } = await this.pdfDocument.getMetadata();
    const [fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([this._fileNameLookup(), this.#parseFileSize(contentLength), this.#parseDate(info.CreationDate), this.#parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(pdfPage => {
      return this.#parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
    }), this.#parseLinearization(info.IsLinearized)]);
    this.#fieldData = Object.freeze({
      fileName,
      fileSize,
      title: info.Title,
      author: info.Author,
      subject: info.Subject,
      keywords: info.Keywords,
      creationDate,
      modificationDate,
      creator: info.Creator,
      producer: info.Producer,
      version: info.PDFFormatVersion,
      pageCount: this.pdfDocument.numPages,
      pageSize,
      linearized: isLinearized,
      _currentPageNumber: currentPageNumber,
      _pagesRotation: pagesRotation
    });
    this.#updateUI();
    const {
      length
    } = await this.pdfDocument.getDownloadInfo();
    if (contentLength === length) {
      return;
    }
    const data = Object.assign(Object.create(null), this.#fieldData);
    data.fileSize = await this.#parseFileSize(length);
    this.#fieldData = Object.freeze(data);
    this.#updateUI();
  }
  async close() {
    this.overlayManager.close(this.dialog);
  }
  setDocument(pdfDocument) {
    if (this.pdfDocument) {
      this.#reset();
      this.#updateUI(true);
    }
    if (!pdfDocument) {
      return;
    }
    this.pdfDocument = pdfDocument;
    this._dataAvailableCapability.resolve();
  }
  #reset() {
    this.pdfDocument = null;
    this.#fieldData = null;
    this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._currentPageNumber = 1;
    this._pagesRotation = 0;
  }
  #updateUI(reset = false) {
    if (reset || !this.#fieldData) {
      for (const id in this.fields) {
        this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
      }
      return;
    }
    if (this.overlayManager.active !== this.dialog) {
      return;
    }
    for (const id in this.fields) {
      const content = this.#fieldData[id];
      this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
    }
  }
  async #parseFileSize(fileSize = 0) {
    const kb = fileSize / 1024,
      mb = kb / 1024;
    if (!kb) {
      return undefined;
    }
    return this.l10n.get(`document_properties_${mb >= 1 ? "mb" : "kb"}`, {
      size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(),
      size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(),
      size_b: fileSize.toLocaleString()
    });
  }
  async #parsePageSize(pageSizeInches, pagesRotation) {
    if (!pageSizeInches) {
      return undefined;
    }
    if (pagesRotation % 180 !== 0) {
      pageSizeInches = {
        width: pageSizeInches.height,
        height: pageSizeInches.width
      };
    }
    const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
    let sizeInches = {
      width: Math.round(pageSizeInches.width * 100) / 100,
      height: Math.round(pageSizeInches.height * 100) / 100
    };
    let sizeMillimeters = {
      width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
      height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
    };
    let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
    if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
      const exactMillimeters = {
        width: pageSizeInches.width * 25.4,
        height: pageSizeInches.height * 25.4
      };
      const intMillimeters = {
        width: Math.round(sizeMillimeters.width),
        height: Math.round(sizeMillimeters.height)
      };
      if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
        rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
        if (rawName) {
          sizeInches = {
            width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
            height: Math.round(intMillimeters.height / 25.4 * 100) / 100
          };
          sizeMillimeters = intMillimeters;
        }
      }
    }
    const [{
      width,
      height
    }, unit, name, orientation] = await Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`document_properties_page_size_unit_${this._isNonMetricLocale ? "inches" : "millimeters"}`), rawName && this.l10n.get(`document_properties_page_size_name_${rawName.toLowerCase()}`), this.l10n.get(`document_properties_page_size_orientation_${isPortrait ? "portrait" : "landscape"}`)]);
    return this.l10n.get(`document_properties_page_size_dimension_${name ? "name_" : ""}string`, {
      width: width.toLocaleString(),
      height: height.toLocaleString(),
      unit,
      name,
      orientation
    });
  }
  async #parseDate(inputDate) {
    const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate);
    if (!dateObject) {
      return undefined;
    }
    return this.l10n.get("document_properties_date_string", {
      date: dateObject.toLocaleDateString(),
      time: dateObject.toLocaleTimeString()
    });
  }
  #parseLinearization(isLinearized) {
    return this.l10n.get(`document_properties_linearized_${isLinearized ? "yes" : "no"}`);
  }
}
exports.PDFDocumentProperties = PDFDocumentProperties;

/***/ }),
/* 16 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFFindBar = void 0;
var _pdf_find_controller = __webpack_require__(17);
const MATCHES_COUNT_LIMIT = 1000;
class PDFFindBar {
  constructor(options, eventBus, l10n) {
    this.opened = false;
    this.bar = options.bar;
    this.toggleButton = options.toggleButton;
    this.findField = options.findField;
    this.highlightAll = options.highlightAllCheckbox;
    this.currentPage = options.findCurrentPageCheckbox;
    this.pageRange = options.findPageRangeField;
    this.caseSensitive = options.caseSensitiveCheckbox;
    this.matchDiacritics = options.matchDiacriticsCheckbox;
    this.entireWord = options.entireWordCheckbox;
    this.findMsg = options.findMsg;
    this.findResultsCount = options.findResultsCount;
    this.findPreviousButton = options.findPreviousButton;
    this.findNextButton = options.findNextButton;
    this.findFieldMultiline = options.findFieldMultiline || null;
    this.multipleSearchTexts = options.findMultipleSearchTextsCheckbox || null;
    this.ignoreAccents = options.ignoreAccentsCheckbox || null;
    this.fuzzySearch = options.fuzzyCheckbox || null;
    this.eventBus = eventBus;
    this.l10n = l10n;
    this.toggleButton.addEventListener("click", () => {
      this.toggle();
    });
    this.findFieldMultiline.addEventListener("input", () => {
      this.dispatchEvent("");
    });
    this.findField.addEventListener("input", () => {
      this.dispatchEvent("");
    });
    this.bar.addEventListener("keydown", e => {
      switch (e.keyCode) {
        case 13:
          if (e.target === this.findField) {
            this.dispatchEvent("again", e.shiftKey);
          }
          break;
        case 27:
          this.close();
          break;
      }
    });
    this.findPreviousButton.addEventListener("click", () => {
      this.dispatchEvent("again", true);
    });
    this.findNextButton.addEventListener("click", () => {
      this.dispatchEvent("again", false);
    });
    this.highlightAll.addEventListener("click", () => {
      this.dispatchEvent("highlightallchange");
    });
    this.caseSensitive.addEventListener("click", () => {
      this.dispatchEvent("casesensitivitychange");
    });
    this.entireWord.addEventListener("click", () => {
      this.dispatchEvent("entirewordchange");
    });
    this.multipleSearchTexts.addEventListener("click", () => {
      this.dispatchEvent("multiplesearchtextschange");
    });
    this.ignoreAccents.addEventListener("click", () => {
      this.dispatchEvent("ignoreAccentsChange");
    });
    this.fuzzySearch.addEventListener("click", () => {
      this.dispatchEvent("fuzzySearchChange");
    });
    this.currentPage.addEventListener("click", () => {
      this.dispatchEvent("currentPageChange");
    });
    this.pageRange.addEventListener("input", () => {
      this.dispatchEvent("pageRangeChange");
    });
    this.matchDiacritics?.addEventListener("click", () => {
      this.dispatchEvent("diacriticmatchingchange");
    });
    this.eventBus._on("resize", this.#adjustWidth.bind(this));
  }
  reset() {
    this.updateUIState();
  }
  dispatchEvent(type, findPrev = false) {
    this.eventBus.dispatch("find", {
      source: this,
      type,
      query: this.findFieldMultiline.classList.contains("hidden") ? this.findField.value : this.findFieldMultiline.value + "\n",
      phraseSearch: !this.multipleSearchTexts.checked,
      caseSensitive: this.caseSensitive.checked,
      entireWord: this.entireWord.checked,
      ignoreAccents: this.ignoreAccents.checked,
      fuzzySearch: this.fuzzySearch.checked,
      highlightAll: this.highlightAll.checked,
      currentPage: this.currentPage.checked,
      pageRange: this.pageRange.value,
      findPrevious: findPrev,
      matchDiacritics: this.matchDiacritics?.checked
    });
  }
  updateUIState(state, previous, matchesCount) {
    let findMsg = Promise.resolve("");
    let status = "";
    switch (state) {
      case _pdf_find_controller.FindState.FOUND:
        break;
      case _pdf_find_controller.FindState.PENDING:
        status = "pending";
        break;
      case _pdf_find_controller.FindState.NOT_FOUND:
        findMsg = this.l10n.get("find_not_found");
        status = "notFound";
        break;
      case _pdf_find_controller.FindState.WRAPPED:
        findMsg = this.l10n.get(`find_reached_${previous ? "top" : "bottom"}`);
        break;
    }
    this.findField.setAttribute("data-status", status);
    this.findFieldMultiline.classList.toggle("notFound", status === "notFound");
    this.findFieldMultiline.setAttribute("data-status", status);
    this.findField.setAttribute("aria-invalid", state === _pdf_find_controller.FindState.NOT_FOUND);
    findMsg.then(msg => {
      this.findMsg.textContent = msg;
      this.#adjustWidth();
    });
    this.updateResultsCount(matchesCount);
  }
  updateResultsCount({
    current = 0,
    total = 0
  } = {}) {
    const limit = MATCHES_COUNT_LIMIT;
    let matchCountMsg = Promise.resolve("");
    if (total > 0) {
      if (total > limit) {
        let key = "find_match_count_limit";
        matchCountMsg = this.l10n.get(key, {
          limit
        });
      } else {
        let key = "find_match_count";
        matchCountMsg = this.l10n.get(key, {
          current,
          total
        });
      }
    }
    matchCountMsg.then(msg => {
      this.findResultsCount.textContent = msg;
      this.#adjustWidth();
    });
  }
  open() {
    if (!this.opened) {
      this.opened = true;
      this.toggleButton.classList.add("toggled");
      this.toggleButton.setAttribute("aria-expanded", "true");
      this.bar.classList.remove("hidden");
    }
    this.findField.select();
    this.findField.focus();
    this.dispatchEvent("");
    this.#adjustWidth();
  }
  close() {
    if (!this.opened) {
      return;
    }
    this.opened = false;
    this.toggleButton.classList.remove("toggled");
    this.toggleButton.setAttribute("aria-expanded", "false");
    this.bar.classList.add("hidden");
    this.eventBus.dispatch("findbarclose", {
      source: this
    });
  }
  toggle() {
    if (this.opened) {
      this.close();
    } else {
      this.open();
    }
  }
  #adjustWidth() {
    if (!this.opened) {
      return;
    }
    this.bar.classList.remove("wrapContainers");
    const findbarHeight = this.bar.clientHeight;
    const inputContainerHeight = this.bar.firstElementChild.clientHeight;
    if (findbarHeight > inputContainerHeight) {
      this.bar.classList.add("wrapContainers");
    }
  }
}
exports.PDFFindBar = PDFFindBar;

/***/ }),
/* 17 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFFindController = exports.FindState = void 0;
var _pdfjsLib = __webpack_require__(4);
var _index = __webpack_require__(18);
var _pdf_find_utils = __webpack_require__(19);
var _levenshtein = __webpack_require__(20);
var _ui_utils = __webpack_require__(3);
const FindState = {
  FOUND: 0,
  NOT_FOUND: 1,
  WRAPPED: 2,
  PENDING: 3
};
exports.FindState = FindState;
const FIND_TIMEOUT = 250;
const MATCH_SCROLL_OFFSET_TOP = -50;
const MATCH_SCROLL_OFFSET_LEFT = -400;
const CHARACTERS_TO_NORMALIZE = {
  "\u2010": "-",
  "\u2018": "'",
  "\u2019": "'",
  "\u201A": "'",
  "\u201B": "'",
  "\u201C": '"',
  "\u201D": '"',
  "\u201E": '"',
  "\u201F": '"',
  "\u00BC": "1/4",
  "\u00BD": "1/2",
  "\u00BE": "3/4",
  "\n": " "
};
const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]);
let DIACRITICS_EXCEPTION_STR;
const DIACRITICS_REG_EXP = /\p{M}+/gu;
const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g;
const SYLLABLES_LENGTHS = new Map();
const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]";
const NFKC_CHARS_TO_NORMALIZE = new Map();
let noSyllablesRegExp = null;
let withSyllablesRegExp = null;
function normalize(text) {
  const syllablePositions = [];
  let m;
  while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) {
    let {
      index
    } = m;
    for (const char of m[0]) {
      let len = SYLLABLES_LENGTHS.get(char);
      if (!len) {
        len = char.normalize("NFD").length;
        SYLLABLES_LENGTHS.set(char, len);
      }
      syllablePositions.push([len, index++]);
    }
  }
  let normalizationRegex;
  if (syllablePositions.length === 0 && noSyllablesRegExp) {
    normalizationRegex = noSyllablesRegExp;
  } else if (syllablePositions.length > 0 && withSyllablesRegExp) {
    normalizationRegex = withSyllablesRegExp;
  } else {
    const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
    const toNormalizeWithNFKC = "\u2460-\u2473" + "\u24b6-\u24ff" + "\u3244-\u32bf" + "\u32d0-\u32fe" + "\uff00-\uffef";
    const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])";
    const HKDiacritics = "(?:\u3099|\u309A)";
    const regexp = `([${replace}])|([${toNormalizeWithNFKC}])|(${HKDiacritics}\\n)|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(${CJK}\\n)|(\\n)`;
    if (syllablePositions.length === 0) {
      normalizationRegex = noSyllablesRegExp = new RegExp(regexp + "|(\\u0000)", "gum");
    } else {
      normalizationRegex = withSyllablesRegExp = new RegExp(regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`, "gum");
    }
  }
  const rawDiacriticsPositions = [];
  while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
    rawDiacriticsPositions.push([m[0].length, m.index]);
  }
  let normalized = text.normalize("NFD");
  const positions = [[0, 0]];
  let rawDiacriticsIndex = 0;
  let syllableIndex = 0;
  let shift = 0;
  let shiftOrigin = 0;
  let eol = 0;
  let hasDiacritics = false;
  normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, i) => {
    i -= shiftOrigin;
    if (p1) {
      const replacement = CHARACTERS_TO_NORMALIZE[p1];
      const jj = replacement.length;
      for (let j = 1; j < jj; j++) {
        positions.push([i - shift + j, shift - j]);
      }
      shift -= jj - 1;
      return replacement;
    }
    if (p2) {
      let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2);
      if (!replacement) {
        replacement = p2.normalize("NFKC");
        NFKC_CHARS_TO_NORMALIZE.set(p2, replacement);
      }
      const jj = replacement.length;
      for (let j = 1; j < jj; j++) {
        positions.push([i - shift + j, shift - j]);
      }
      shift -= jj - 1;
      return replacement;
    }
    if (p3) {
      hasDiacritics = true;
      if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
        ++rawDiacriticsIndex;
      } else {
        positions.push([i - 1 - shift + 1, shift - 1]);
        shift -= 1;
        shiftOrigin += 1;
      }
      positions.push([i - shift + 1, shift]);
      shiftOrigin += 1;
      eol += 1;
      return p3.charAt(0);
    }
    if (p4) {
      const hasTrailingDashEOL = p4.endsWith("\n");
      const len = hasTrailingDashEOL ? p4.length - 2 : p4.length;
      hasDiacritics = true;
      let jj = len;
      if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
        jj -= rawDiacriticsPositions[rawDiacriticsIndex][0];
        ++rawDiacriticsIndex;
      }
      for (let j = 1; j <= jj; j++) {
        positions.push([i - 1 - shift + j, shift - j]);
      }
      shift -= jj;
      shiftOrigin += jj;
      if (hasTrailingDashEOL) {
        i += len - 1;
        positions.push([i - shift + 1, 1 + shift]);
        shift += 1;
        shiftOrigin += 1;
        eol += 1;
        return p4.slice(0, len);
      }
      return p4;
    }
    if (p5) {
      positions.push([i - shift + 1, 1 + shift]);
      shift += 1;
      shiftOrigin += 1;
      eol += 1;
      return p5.charAt(0);
    }
    if (p6) {
      positions.push([i - shift + 1, shift]);
      shiftOrigin += 1;
      eol += 1;
      return p6.charAt(0);
    }
    if (p7) {
      positions.push([i - shift + 1, shift - 1]);
      shift -= 1;
      shiftOrigin += 1;
      eol += 1;
      return " ";
    }
    if (i + eol === syllablePositions[syllableIndex]?.[1]) {
      const newCharLen = syllablePositions[syllableIndex][0] - 1;
      ++syllableIndex;
      for (let j = 1; j <= newCharLen; j++) {
        positions.push([i - (shift - j), shift - j]);
      }
      shift -= newCharLen;
      shiftOrigin += newCharLen;
    }
    return p8;
  });
  positions.push([normalized.length, shift]);
  return [normalized, positions, hasDiacritics];
}
function getOriginalIndex(matchIndex, diffs = null) {
  if (!diffs) {
    return matchIndex;
  }
  let totalDiff = 0;
  for (const [index, diff] of diffs) {
    const currentIndex = index + totalDiff;
    if (index >= matchIndex) {
      break;
    }
    if (index + diff > matchIndex) {
      totalDiff += matchIndex - currentIndex;
      break;
    }
    totalDiff += diff;
  }
  return matchIndex - totalDiff;
}
class PDFFindController {
  constructor({
    linkService,
    eventBus,
    pageViewMode
  }) {
    this._linkService = linkService;
    this._eventBus = eventBus;
    this._pageViewMode = pageViewMode;
    this._reset();
    eventBus._on("find", this._onFind.bind(this));
    eventBus._on("findbarclose", this._onFindBarClose.bind(this));
    this.executeCommand = (cmd, state) => {
      Window['ngxConsole'].error("Deprecated method `PDFFindController.executeCommand` called, " + 'please dispatch a "find"-event using the EventBus instead.');
      const eventState = Object.assign(Object.create(null), state, {
        type: cmd.substring("find".length)
      });
      this._onFind(eventState);
    };
  }
  get highlightMatches() {
    return this._highlightMatches;
  }
  get pageMatches() {
    return this._pageMatches;
  }
  get pageMatchesColor() {
    return this._pageMatchesColor;
  }
  get pageMatchesLength() {
    return this._pageMatchesLength;
  }
  get selected() {
    return this._selected;
  }
  get state() {
    return this._state;
  }
  setDocument(pdfDocument) {
    if (this._pdfDocument) {
      this._reset();
    }
    if (!pdfDocument) {
      return;
    }
    this._pdfDocument = pdfDocument;
    this._firstPageCapability.resolve();
  }
  _onFind(state) {
    if (!state) {
      return;
    }
    const pdfDocument = this._pdfDocument;
    const {
      type
    } = state;
    if (this._state === null || this._shouldDirtyMatch(state)) {
      this._dirtyMatch = true;
    }
    this._state = state;
    if (type !== "highlightallchange") {
      this._updateUIState(FindState.PENDING);
    }
    this._firstPageCapability.promise.then(() => {
      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
        return;
      }
      this._extractText();
      const findbarClosed = !this._highlightMatches;
      const pendingTimeout = !!this._findTimeout;
      if (this._findTimeout) {
        clearTimeout(this._findTimeout);
        this._findTimeout = null;
      }
      if (!type) {
        this._findTimeout = setTimeout(() => {
          this._nextMatch();
          this._findTimeout = null;
        }, FIND_TIMEOUT);
      } else if (this._dirtyMatch) {
        this._nextMatch();
      } else if (type === "again") {
        this._nextMatch();
        if (findbarClosed && this._state.highlightAll) {
          this._updateAllPages();
        }
      } else if (type === "highlightallchange") {
        if (pendingTimeout) {
          this._nextMatch();
        } else {
          this._highlightMatches = true;
        }
        this._updateAllPages();
      } else {
        this._nextMatch();
      }
    });
  }
  scrollMatchIntoView({
    element = null,
    selectedLeft = 0,
    pageIndex = -1,
    matchIndex = -1
  }) {
    if (!this._scrollMatches || !element) {
      return;
    } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
      return;
    } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
      return;
    }
    this._scrollMatches = false;
    const spot = {
      top: MATCH_SCROLL_OFFSET_TOP,
      left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT
    };
    (0, _ui_utils.scrollIntoView)(element, spot, true, this._pageViewMode === 'infinite-scroll');
  }
  _reset() {
    this._highlightMatches = false;
    this._scrollMatches = false;
    this._pdfDocument = null;
    this._pageMatches = [];
    this._pageMatchesLength = [];
    this._pageMatchesColor = [];
    this._state = null;
    this._selected = {
      pageIdx: -1,
      matchIdx: -1
    };
    this._offset = {
      pageIdx: null,
      matchIdx: null,
      wrapped: false
    };
    this._extractTextPromises = [];
    this._pageContents = [];
    this._pageDiffs = [];
    this._matchesCountTotal = 0;
    this._pagesToSearch = null;
    this._pendingFindMatches = new Set();
    this._resumePageIdx = null;
    this._dirtyMatch = false;
    clearTimeout(this._findTimeout);
    this._findTimeout = null;
    this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
  }
  get _query() {
    if (this._state.query !== this._rawQuery) {
      this._rawQuery = this._state.query;
      const queries = this._state.query.split("\n");
      const normalizedQueries = queries.map(q => normalize(q)[0]);
      this._normalizedQuery = normalizedQueries.join("\n");
    }
    return this._normalizedQuery;
  }
  _shouldDirtyMatch(state) {
    if (state.query !== this._state.query) {
      return true;
    }
    switch (state.type) {
      case "again":
        const pageNumber = this._selected.pageIdx + 1;
        const linkService = this._linkService;
        if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
          return true;
        }
        return false;
      case "highlightallchange":
        return false;
    }
    return true;
  }
  _prepareMatches(matchesWithLength, matches, matchesLength, matchesColor) {
    function isSubTerm(currentIndex) {
      const currentElem = matchesWithLength[currentIndex];
      const nextElem = matchesWithLength[currentIndex + 1];
      if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
        currentElem.skipped = true;
        return true;
      }
      for (let i = currentIndex - 1; i >= 0; i--) {
        const prevElem = matchesWithLength[i];
        if (prevElem.skipped) {
          continue;
        }
        if (prevElem.match + prevElem.matchLength < currentElem.match) {
          break;
        }
        if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
          currentElem.skipped = true;
          return true;
        }
      }
      return false;
    }
    matchesWithLength.sort(function (a, b) {
      return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
    });
    for (let i = 0, len = matchesWithLength.length; i < len; i++) {
      if (isSubTerm(i)) {
        continue;
      }
      matches.push(matchesWithLength[i].match);
      matchesLength.push(matchesWithLength[i].matchLength);
      matchesColor.push(matchesWithLength[i].color);
    }
  }
  _isEntireWord(content, startIdx, length) {
    if (startIdx > 0) {
      const first = content.charCodeAt(startIdx);
      const limit = content.charCodeAt(startIdx - 1);
      if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
        return false;
      }
    }
    const endIdx = startIdx + length - 1;
    if (endIdx < content.length - 1) {
      const last = content.charCodeAt(endIdx);
      const limit = content.charCodeAt(endIdx + 1);
      if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
        return false;
      }
    }
    return true;
  }
  _calculateFuzzyMatch(query, pageIndex, pageContent, pageDiffs) {
    const matches = [];
    const matchesLength = [];
    const queryLen = query.length;
    const shortLen = queryLen < 5 ? queryLen : 5;
    const maxDistance = Math.round(queryLen / 5);
    const shortQuery = query.substring(0, shortLen);
    const options = {
      useCollator: true
    };
    for (let i = 0; i < pageContent.length - queryLen; i++) {
      const shortCurrentContent = pageContent.substring(i, i + shortLen);
      if (_levenshtein.Levenshtein.distance(shortQuery, shortCurrentContent, options) < 3) {
        const currentContent = pageContent.substring(i, i + queryLen);
        const distance = _levenshtein.Levenshtein.distance(query, currentContent, options);
        if (distance <= maxDistance) {
          if (i + 1 < pageContent.length - queryLen) {
            const nextCurrentContent = pageContent.substring(i + 1, i + 1 + queryLen);
            const nextDistance = _levenshtein.Levenshtein.distance(query, nextCurrentContent, options);
            if (distance >= nextDistance) {
              continue;
            }
          }
          const originalMatchIdx = getOriginalIndex(i, pageDiffs),
            matchEnd = i + queryLen - 1,
            originalQueryLen = getOriginalIndex(matchEnd, pageDiffs) - originalMatchIdx + 1;
          matches.push(originalMatchIdx);
          matchesLength.push(originalQueryLen);
          i += queryLen - 1;
        }
      }
    }
    this._pageMatches[pageIndex] = matches;
    this._pageMatchesLength[pageIndex] = matchesLength;
  }
  _calculatePhraseMatch(query, pageIndex, pageContent, pageDiffs, entireWord, ignoreAccents) {
    if (ignoreAccents) {
      pageContent = (0, _index.deburr)(pageContent);
      query = (0, _index.deburr)(query);
    }
    const matches = [],
      matchesLength = [];
    const queryLen = query.length;
    let matchIdx = -queryLen;
    while (true) {
      matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
      if (matchIdx === -1) {
        break;
      }
      if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
        continue;
      }
      const originalMatchIdx = getOriginalIndex(matchIdx, pageDiffs),
        matchEnd = matchIdx + queryLen - 1,
        originalQueryLen = getOriginalIndex(matchEnd, pageDiffs) - originalMatchIdx + 1;
      matches.push(originalMatchIdx);
      matchesLength.push(originalQueryLen);
    }
    this._pageMatches[pageIndex] = matches;
    this._pageMatchesLength[pageIndex] = matchesLength;
  }
  _calculateWordMatch(query, pageIndex, pageContent, pageDiffs, entireWord, ignoreAccents) {
    if (ignoreAccents) {
      pageContent = (0, _index.deburr)(pageContent);
      query = (0, _index.deburr)(query);
    }
    const matchesWithLength = [];
    const queryArray = query.includes("\n") ? query.trim().split(/\n+/g) : query.trim().match(/\S+/g);
    for (let i = 0, len = queryArray.length; i < len; i++) {
      const subquery = queryArray[i];
      const subqueryLen = subquery.length;
      if (subqueryLen === 0) {
        continue;
      }
      let matchIdx = -subqueryLen;
      while (true) {
        matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
        if (matchIdx === -1) {
          break;
        }
        if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
          continue;
        }
        const originalMatchIdx = getOriginalIndex(matchIdx, pageDiffs),
          matchEnd = matchIdx + subqueryLen - 1,
          originalQueryLen = getOriginalIndex(matchEnd, pageDiffs) - originalMatchIdx + 1;
        matchesWithLength.push({
          match: originalMatchIdx,
          matchLength: originalQueryLen,
          skipped: false,
          color: i
        });
      }
    }
    this._pageMatchesLength[pageIndex] = [];
    this._pageMatchesColor[pageIndex] = [];
    this._pageMatches[pageIndex] = [];
    this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex], this._pageMatchesColor[pageIndex]);
  }
  _isInPageRanges(page = 1, commaSeparatedRanges) {
    try {
      if (!commaSeparatedRanges) {
        return true;
      }
      const parts = commaSeparatedRanges.split(",");
      return parts.some(range => this._isInPageRange(page, range));
    } catch (e) {
      return true;
    }
  }
  _isInPageRange(page = 1, range = "6-7") {
    try {
      if (!range) {
        return true;
      }
      if (range.includes("-")) {
        const parts = range.split("-");
        const from = parts[0].trim();
        if (from.length > 0) {
          if (page < Number(from)) {
            return false;
          }
        }
        const to = parts[1].trim();
        if (to.length > 0) {
          if (page > Number(to)) {
            return false;
          }
        }
      } else {
        const from = range.trim();
        if (from.length > 0) {
          if (Number(from) === page) {
            return true;
          } else {
            return false;
          }
        }
      }
      return true;
    } catch (e) {
      return true;
    }
  }
  _calculateMatch(pageIndex) {
    if (!this.state) {
      return;
    }
    let pageContent = this._pageContents[pageIndex];
    const pageDiffs = this._pageDiffs[pageIndex];
    let query = this._query;
    const {
      caseSensitive,
      entireWord,
      ignoreAccents,
      fuzzySearch,
      phraseSearch,
      currentPage,
      pageRange
    } = this._state;
    let ignoreCurrentPage = false;
    if (currentPage) {
      if (pageIndex !== this._linkService.page - 1) {
        ignoreCurrentPage = true;
        this._pageMatches[pageIndex] = [];
      }
    }
    if (!this._isInPageRanges(pageIndex + 1, pageRange)) {
      ignoreCurrentPage = true;
      this._pageMatches[pageIndex] = [];
    }
    if (query.length === 0) {
      return;
    }
    if (!ignoreCurrentPage) {
      if (!caseSensitive) {
        pageContent = pageContent.toLowerCase();
        query = query.toLowerCase();
      }
      if (fuzzySearch) {
        if (query.length <= 2) {
          this._calculatePhraseMatch(query, pageIndex, pageContent, pageDiffs, false);
        } else {
          this._calculateFuzzyMatch(query, pageIndex, pageContent, pageDiffs);
        }
      } else if (phraseSearch) {
        this._calculatePhraseMatch(query, pageIndex, pageContent, pageDiffs, entireWord, ignoreAccents);
      } else {
        this._calculateWordMatch(query, pageIndex, pageContent, pageDiffs, entireWord, ignoreAccents);
      }
    }
    if (this._state.highlightAll) {
      this._updatePage(pageIndex);
    }
    if (this._resumePageIdx === pageIndex) {
      this._resumePageIdx = null;
      this._nextPageMatch();
    }
    const pageMatchesCount = this._pageMatches[pageIndex].length;
    if (pageMatchesCount > 0) {
      this._matchesCountTotal += pageMatchesCount;
      this._updateUIResultsCount();
    } else if (pageIndex + 1 === this._pageContents.length && this._matchesCountTotal === 0) {
      this._updateUIResultsCount();
    } else if (currentPage && !ignoreCurrentPage) {
      this._updateMatch(false);
    }
  }
  _extractText() {
    if (this._extractTextPromises.length > 0) {
      return;
    }
    let promise = Promise.resolve();
    for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
      const extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
      this._extractTextPromises[i] = extractTextCapability.promise;
      promise = promise.then(() => {
        if (this._pdfDocument && this._extractTextPromises.length > 0) {
          return this._pdfDocument.getPage(i + 1).then(pdfPage => {
            return pdfPage.getTextContent();
          }).then(textContent => {
            const textItems = textContent.items;
            const strBuf = [];
            for (let j = 0, jj = textItems.length; j < jj; j++) {
              strBuf.push(textItems[j].str);
              if (textItems[j].hasEOL) {
                strBuf.push("\n");
              }
            }
            [this._pageContents[i], this._pageDiffs[i]] = normalize(strBuf.join(""), false);
            extractTextCapability.resolve(i);
          }, reason => {
            Window['ngxConsole'].error(`Unable to get text content for page ${i + 1}`, reason);
            this._pageContents[i] = "";
            this._pageDiffs[i] = null;
            extractTextCapability.resolve(i);
          });
        }
        return Promise.resolve();
      });
    }
  }
  _updatePage(index) {
    if (this._scrollMatches && this._selected.pageIdx === index) {
      this._linkService.page = index + 1;
    }
    this._eventBus.dispatch("updatetextlayermatches", {
      source: this,
      pageIndex: index
    });
  }
  _updateAllPages() {
    this._eventBus.dispatch("updatetextlayermatches", {
      source: this,
      pageIndex: -1
    });
  }
  _nextMatch() {
    const previous = this._state.findPrevious;
    const currentPageIndex = this._linkService.page - 1;
    const numPages = this._linkService.pagesCount;
    this._highlightMatches = true;
    if (this._dirtyMatch) {
      this._dirtyMatch = false;
      this._selected.pageIdx = this._selected.matchIdx = -1;
      this._offset.pageIdx = currentPageIndex;
      this._offset.matchIdx = null;
      this._offset.wrapped = false;
      this._resumePageIdx = null;
      this._pageMatches.length = 0;
      this._pageMatchesLength.length = 0;
      this._pageMatchesColor.length = 0;
      this._matchesCountTotal = 0;
      this._updateAllPages();
      const {
        currentPage
      } = this.state;
      let startPage = 0;
      let finalPage = numPages - 1;
      if (currentPage) {
        startPage = this._linkService.page - 1;
        finalPage = startPage;
      }
      for (let i = startPage; i <= finalPage; i++) {
        if (this._pendingFindMatches.has(i)) {
          continue;
        }
        this._pendingFindMatches.add(i);
        this._extractTextPromises[i].then(pageIdx => {
          this._pendingFindMatches.delete(pageIdx);
          this._calculateMatch(pageIdx);
        });
      }
    }
    if (this._query === "") {
      this._updateUIState(FindState.FOUND);
      return;
    }
    if (this._resumePageIdx) {
      return;
    }
    const offset = this._offset;
    this._pagesToSearch = numPages;
    if (offset.matchIdx !== null) {
      const numPageMatches = this._pageMatches[offset.pageIdx].length;
      if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
        offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
        this._updateMatch(true);
        return;
      }
      if (this.state.currentPage) {
        if (previous) {
          offset.matchIdx = numPageMatches - 1;
        } else {
          offset.matchIdx = 0;
        }
        this._updateMatch(true);
        this._updateUIState(FindState.WRAPPED);
        return;
      } else {
        this._advanceOffsetPage(previous);
      }
    }
    this._nextPageMatch();
  }
  _matchesReady(matches) {
    const offset = this._offset;
    const numMatches = matches.length;
    const previous = this._state.findPrevious;
    if (numMatches) {
      offset.matchIdx = previous ? numMatches - 1 : 0;
      this._updateMatch(true);
      return true;
    }
    this._advanceOffsetPage(previous);
    if (offset.wrapped) {
      offset.matchIdx = null;
      if (this._pagesToSearch < 0) {
        this._updateMatch(false);
        return true;
      }
    }
    return false;
  }
  _nextPageMatch() {
    if (this._resumePageIdx !== null) {
      Window['ngxConsole'].error("There can only be one pending page.");
    }
    let matches = null;
    do {
      const pageIdx = this._offset.pageIdx;
      matches = this._pageMatches[pageIdx];
      if (!matches) {
        this._resumePageIdx = pageIdx;
        break;
      }
    } while (!this._matchesReady(matches));
  }
  _advanceOffsetPage(previous) {
    const offset = this._offset;
    const numPages = this._linkService.pagesCount;
    offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
    offset.matchIdx = null;
    this._pagesToSearch--;
    if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
      offset.pageIdx = previous ? numPages - 1 : 0;
      offset.wrapped = true;
    }
  }
  _updateMatch(found = false) {
    let state = FindState.NOT_FOUND;
    const wrapped = this._offset.wrapped;
    this._offset.wrapped = false;
    if (found) {
      const previousPage = this._selected.pageIdx;
      this._selected.pageIdx = this._offset.pageIdx;
      this._selected.matchIdx = this._offset.matchIdx;
      state = wrapped ? FindState.WRAPPED : FindState.FOUND;
      if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
        this._updatePage(previousPage);
      }
    }
    this._updateUIState(state, this._state.findPrevious);
    if (this._selected.pageIdx !== -1) {
      this._scrollMatches = true;
      this._updatePage(this._selected.pageIdx);
    }
  }
  _onFindBarClose(evt) {
    const pdfDocument = this._pdfDocument;
    this._firstPageCapability.promise.then(() => {
      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
        return;
      }
      if (this._findTimeout) {
        clearTimeout(this._findTimeout);
        this._findTimeout = null;
      }
      if (this._resumePageIdx) {
        this._resumePageIdx = null;
        this._dirtyMatch = true;
      }
      this._updateUIState(FindState.FOUND);
      this._highlightMatches = false;
      this._updateAllPages();
    });
  }
  _requestMatchesCount() {
    const {
      pageIdx,
      matchIdx
    } = this._selected;
    let current = 0,
      total = this._matchesCountTotal;
    if (matchIdx !== -1) {
      for (let i = 0; i < pageIdx; i++) {
        current += this._pageMatches[i]?.length || 0;
      }
      current += matchIdx + 1;
    }
    if (current < 1 || current > total) {
      current = total = 0;
    }
    return {
      current,
      total
    };
  }
  _updateUIResultsCount() {
    this._eventBus.dispatch("updatefindmatchescount", {
      source: this,
      matchesCount: this._requestMatchesCount()
    });
  }
  _updateUIState(state, previous = false) {
    this._eventBus.dispatch("updatefindcontrolstate", {
      source: this,
      state,
      previous,
      matchesCount: this._requestMatchesCount(),
      rawQuery: this._state?.query ?? null
    });
  }
}
exports.PDFFindController = PDFFindController;

/***/ }),
/* 18 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.deburr = deburr;
var INFINITY = 1 / 0;
var symbolTag = '[object Symbol]';
var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
var rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
  rsComboSymbolsRange = '\\u20d0-\\u20f0';
var rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']';
var reComboMark = RegExp(rsCombo, 'g');
var deburredLetters = {
  '\xc0': 'A',
  '\xc1': 'A',
  '\xc2': 'A',
  '\xc3': 'A',
  '\xc4': 'A',
  '\xc5': 'A',
  '\xe0': 'a',
  '\xe1': 'a',
  '\xe2': 'a',
  '\xe3': 'a',
  '\xe4': 'a',
  '\xe5': 'a',
  '\xc7': 'C',
  '\xe7': 'c',
  '\xd0': 'D',
  '\xf0': 'd',
  '\xc8': 'E',
  '\xc9': 'E',
  '\xca': 'E',
  '\xcb': 'E',
  '\xe8': 'e',
  '\xe9': 'e',
  '\xea': 'e',
  '\xeb': 'e',
  '\xcc': 'I',
  '\xcd': 'I',
  '\xce': 'I',
  '\xcf': 'I',
  '\xec': 'i',
  '\xed': 'i',
  '\xee': 'i',
  '\xef': 'i',
  '\xd1': 'N',
  '\xf1': 'n',
  '\xd2': 'O',
  '\xd3': 'O',
  '\xd4': 'O',
  '\xd5': 'O',
  '\xd6': 'O',
  '\xd8': 'O',
  '\xf2': 'o',
  '\xf3': 'o',
  '\xf4': 'o',
  '\xf5': 'o',
  '\xf6': 'o',
  '\xf8': 'o',
  '\xd9': 'U',
  '\xda': 'U',
  '\xdb': 'U',
  '\xdc': 'U',
  '\xf9': 'u',
  '\xfa': 'u',
  '\xfb': 'u',
  '\xfc': 'u',
  '\xdd': 'Y',
  '\xfd': 'y',
  '\xff': 'y',
  '\xc6': 'Ae',
  '\xe6': 'ae',
  '\xde': 'Th',
  '\xfe': 'th',
  '\xdf': 'ss',
  '\u0100': 'A',
  '\u0102': 'A',
  '\u0104': 'A',
  '\u0101': 'a',
  '\u0103': 'a',
  '\u0105': 'a',
  '\u0106': 'C',
  '\u0108': 'C',
  '\u010a': 'C',
  '\u010c': 'C',
  '\u0107': 'c',
  '\u0109': 'c',
  '\u010b': 'c',
  '\u010d': 'c',
  '\u010e': 'D',
  '\u0110': 'D',
  '\u010f': 'd',
  '\u0111': 'd',
  '\u0112': 'E',
  '\u0114': 'E',
  '\u0116': 'E',
  '\u0118': 'E',
  '\u011a': 'E',
  '\u0113': 'e',
  '\u0115': 'e',
  '\u0117': 'e',
  '\u0119': 'e',
  '\u011b': 'e',
  '\u011c': 'G',
  '\u011e': 'G',
  '\u0120': 'G',
  '\u0122': 'G',
  '\u011d': 'g',
  '\u011f': 'g',
  '\u0121': 'g',
  '\u0123': 'g',
  '\u0124': 'H',
  '\u0126': 'H',
  '\u0125': 'h',
  '\u0127': 'h',
  '\u0128': 'I',
  '\u012a': 'I',
  '\u012c': 'I',
  '\u012e': 'I',
  '\u0130': 'I',
  '\u0129': 'i',
  '\u012b': 'i',
  '\u012d': 'i',
  '\u012f': 'i',
  '\u0131': 'i',
  '\u0134': 'J',
  '\u0135': 'j',
  '\u0136': 'K',
  '\u0137': 'k',
  '\u0138': 'k',
  '\u0139': 'L',
  '\u013b': 'L',
  '\u013d': 'L',
  '\u013f': 'L',
  '\u0141': 'L',
  '\u013a': 'l',
  '\u013c': 'l',
  '\u013e': 'l',
  '\u0140': 'l',
  '\u0142': 'l',
  '\u0143': 'N',
  '\u0145': 'N',
  '\u0147': 'N',
  '\u014a': 'N',
  '\u0144': 'n',
  '\u0146': 'n',
  '\u0148': 'n',
  '\u014b': 'n',
  '\u014c': 'O',
  '\u014e': 'O',
  '\u0150': 'O',
  '\u014d': 'o',
  '\u014f': 'o',
  '\u0151': 'o',
  '\u0154': 'R',
  '\u0156': 'R',
  '\u0158': 'R',
  '\u0155': 'r',
  '\u0157': 'r',
  '\u0159': 'r',
  '\u015a': 'S',
  '\u015c': 'S',
  '\u015e': 'S',
  '\u0160': 'S',
  '\u015b': 's',
  '\u015d': 's',
  '\u015f': 's',
  '\u0161': 's',
  '\u0162': 'T',
  '\u0164': 'T',
  '\u0166': 'T',
  '\u0163': 't',
  '\u0165': 't',
  '\u0167': 't',
  '\u0168': 'U',
  '\u016a': 'U',
  '\u016c': 'U',
  '\u016e': 'U',
  '\u0170': 'U',
  '\u0172': 'U',
  '\u0169': 'u',
  '\u016b': 'u',
  '\u016d': 'u',
  '\u016f': 'u',
  '\u0171': 'u',
  '\u0173': 'u',
  '\u0174': 'W',
  '\u0175': 'w',
  '\u0176': 'Y',
  '\u0177': 'y',
  '\u0178': 'Y',
  '\u0179': 'Z',
  '\u017b': 'Z',
  '\u017d': 'Z',
  '\u017a': 'z',
  '\u017c': 'z',
  '\u017e': 'z',
  '\u0132': 'IJ',
  '\u0133': 'ij',
  '\u0152': 'Oe',
  '\u0153': 'oe',
  '\u0149': "'n",
  '\u017f': 'ss'
};
var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
var root = freeGlobal || freeSelf || Function('return this')();
function basePropertyOf(object) {
  return function (key) {
    return object == null ? undefined : object[key];
  };
}
var deburrLetter = basePropertyOf(deburredLetters);
var objectProto = Object.prototype;
var objectToString = objectProto.toString;
var Symbol = root.Symbol;
var symbolProto = Symbol ? Symbol.prototype : undefined,
  symbolToString = symbolProto ? symbolProto.toString : undefined;
function baseToString(value) {
  if (typeof value == 'string') {
    return value;
  }
  if (isSymbol(value)) {
    return symbolToString ? symbolToString.call(value) : '';
  }
  var result = value + '';
  return result == '0' && 1 / value == -INFINITY ? '-0' : result;
}
function isObjectLike(value) {
  return !!value && typeof value == 'object';
}
function isSymbol(value) {
  return typeof value == 'symbol' || isObjectLike(value) && objectToString.call(value) == symbolTag;
}
function toString(value) {
  return value == null ? '' : baseToString(value);
}
function deburr(string) {
  string = toString(string);
  return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
}

/***/ }),
/* 19 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.CharacterType = void 0;
exports.getCharacterType = getCharacterType;
const CharacterType = {
  SPACE: 0,
  ALPHA_LETTER: 1,
  PUNCT: 2,
  HAN_LETTER: 3,
  KATAKANA_LETTER: 4,
  HIRAGANA_LETTER: 5,
  HALFWIDTH_KATAKANA_LETTER: 6,
  THAI_LETTER: 7
};
exports.CharacterType = CharacterType;
function isAlphabeticalScript(charCode) {
  return charCode < 0x2e80;
}
function isAscii(charCode) {
  return (charCode & 0xff80) === 0;
}
function isAsciiAlpha(charCode) {
  return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
}
function isAsciiDigit(charCode) {
  return charCode >= 0x30 && charCode <= 0x39;
}
function isAsciiSpace(charCode) {
  return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
}
function isHan(charCode) {
  return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
}
function isKatakana(charCode) {
  return charCode >= 0x30a0 && charCode <= 0x30ff;
}
function isHiragana(charCode) {
  return charCode >= 0x3040 && charCode <= 0x309f;
}
function isHalfwidthKatakana(charCode) {
  return charCode >= 0xff60 && charCode <= 0xff9f;
}
function isThai(charCode) {
  return (charCode & 0xff80) === 0x0e00;
}
function getCharacterType(charCode) {
  if (isAlphabeticalScript(charCode)) {
    if (isAscii(charCode)) {
      if (isAsciiSpace(charCode)) {
        return CharacterType.SPACE;
      } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
        return CharacterType.ALPHA_LETTER;
      }
      return CharacterType.PUNCT;
    } else if (isThai(charCode)) {
      return CharacterType.THAI_LETTER;
    } else if (charCode === 0xa0) {
      return CharacterType.SPACE;
    }
    return CharacterType.ALPHA_LETTER;
  }
  if (isHan(charCode)) {
    return CharacterType.HAN_LETTER;
  } else if (isKatakana(charCode)) {
    return CharacterType.KATAKANA_LETTER;
  } else if (isHiragana(charCode)) {
    return CharacterType.HIRAGANA_LETTER;
  } else if (isHalfwidthKatakana(charCode)) {
    return CharacterType.HALFWIDTH_KATAKANA_LETTER;
  }
  return CharacterType.ALPHA_LETTER;
}

/***/ }),
/* 20 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.Levenshtein = void 0;
let levenshtein_collator;
try {
  levenshtein_collator = Intl.Collator("und", {
    sensitivity: "base"
  });
} catch (missingBrowserSupport) {
  try {
    levenshtein_collator = Intl.Collator("generic", {
      sensitivity: "base"
    });
  } catch (noBrowserSupport) {
    levenshtein_collator = undefined;
  }
}
const levenshtein_prevRow = [];
const levenshtein_str2Char = [];
class Levenshtein {
  static distance(str1, str2, options) {
    const useCollator = options && levenshtein_collator && options.useCollator;
    const str1Len = str1.length;
    const str2Len = str2.length;
    if (str1Len === 0) {
      return str2Len;
    }
    if (str2Len === 0) {
      return str1Len;
    }
    let curCol, nextCol, i, j, tmp;
    for (i = 0; i < str2Len; ++i) {
      levenshtein_prevRow[i] = i;
      levenshtein_str2Char[i] = str2.charCodeAt(i);
    }
    levenshtein_prevRow[str2Len] = str2Len;
    let strCmp;
    if (useCollator) {
      for (i = 0; i < str1Len; ++i) {
        nextCol = i + 1;
        for (j = 0; j < str2Len; ++j) {
          curCol = nextCol;
          strCmp = levenshtein_collator.compare(str1.charAt(i), String.fromCharCode(levenshtein_str2Char[j])) === 0;
          nextCol = levenshtein_prevRow[j] + (strCmp ? 0 : 1);
          tmp = curCol + 1;
          if (nextCol > tmp) {
            nextCol = tmp;
          }
          tmp = levenshtein_prevRow[j + 1] + 1;
          if (nextCol > tmp) {
            nextCol = tmp;
          }
          levenshtein_prevRow[j] = curCol;
        }
        levenshtein_prevRow[j] = nextCol;
      }
    } else {
      for (i = 0; i < str1Len; ++i) {
        nextCol = i + 1;
        for (j = 0; j < str2Len; ++j) {
          curCol = nextCol;
          strCmp = str1.charCodeAt(i) === levenshtein_str2Char[j];
          nextCol = levenshtein_prevRow[j] + (strCmp ? 0 : 1);
          tmp = curCol + 1;
          if (nextCol > tmp) {
            nextCol = tmp;
          }
          tmp = levenshtein_prevRow[j + 1] + 1;
          if (nextCol > tmp) {
            nextCol = tmp;
          }
          levenshtein_prevRow[j] = curCol;
        }
        levenshtein_prevRow[j] = nextCol;
      }
    }
    return nextCol;
  }
}
exports.Levenshtein = Levenshtein;

/***/ }),
/* 21 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFHistory = void 0;
exports.isDestArraysEqual = isDestArraysEqual;
exports.isDestHashesEqual = isDestHashesEqual;
var _ui_utils = __webpack_require__(3);
var _event_utils = __webpack_require__(6);
const HASH_CHANGE_TIMEOUT = 1000;
const POSITION_UPDATED_THRESHOLD = 50;
const UPDATE_VIEWAREA_TIMEOUT = 1000;
function getCurrentHash() {
  return document.location.hash;
}
class PDFHistory {
  constructor({
    linkService,
    eventBus
  }) {
    this.linkService = linkService;
    this.eventBus = eventBus;
    this._initialized = false;
    this._fingerprint = "";
    this.reset();
    this._boundEvents = null;
    this.eventBus._on("pagesinit", () => {
      this._isPagesLoaded = false;
      this.eventBus._on("pagesloaded", evt => {
        this._isPagesLoaded = !!evt.pagesCount;
      }, {
        once: true
      });
    });
  }
  initialize({
    fingerprint,
    resetHistory = false,
    updateUrl = false
  }) {
    if (!fingerprint || typeof fingerprint !== "string") {
      Window['ngxConsole'].error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
      return;
    }
    if (this._initialized) {
      this.reset();
    }
    const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
    this._fingerprint = fingerprint;
    this._updateUrl = updateUrl === true;
    this._initialized = true;
    this._bindEvents();
    const state = window.history.state;
    this._popStateInProgress = false;
    this._blockHashChange = 0;
    this._currentHash = getCurrentHash();
    this._numPositionUpdates = 0;
    this._uid = this._maxUid = 0;
    this._destination = null;
    this._position = null;
    if (!this._isValidState(state, true) || resetHistory) {
      const {
        hash,
        page,
        rotation
      } = this._parseCurrentHash(true);
      if (!hash || reInitialized || resetHistory) {
        this._pushOrReplaceState(null, true);
        return;
      }
      this._pushOrReplaceState({
        hash,
        page,
        rotation
      }, true);
      return;
    }
    const destination = state.destination;
    this._updateInternalState(destination, state.uid, true);
    if (destination.rotation !== undefined) {
      this._initialRotation = destination.rotation;
    }
    if (destination.dest) {
      this._initialBookmark = JSON.stringify(destination.dest);
      this._destination.page = null;
    } else if (destination.hash) {
      this._initialBookmark = destination.hash;
    } else if (destination.page) {
      this._initialBookmark = `page=${destination.page}`;
    }
  }
  reset() {
    if (this._initialized) {
      this._pageHide();
      this._initialized = false;
      this._unbindEvents();
    }
    if (this._updateViewareaTimeout) {
      clearTimeout(this._updateViewareaTimeout);
      this._updateViewareaTimeout = null;
    }
    this._initialBookmark = null;
    this._initialRotation = null;
  }
  push({
    namedDest = null,
    explicitDest,
    pageNumber
  }) {
    if (!this._initialized) {
      return;
    }
    if (namedDest && typeof namedDest !== "string") {
      Window['ngxConsole'].error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
      return;
    } else if (!Array.isArray(explicitDest)) {
      Window['ngxConsole'].error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
      return;
    } else if (!this._isValidPage(pageNumber)) {
      if (pageNumber !== null || this._destination) {
        Window['ngxConsole'].error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
        return;
      }
    }
    const hash = namedDest || JSON.stringify(explicitDest);
    if (!hash) {
      return;
    }
    let forceReplace = false;
    if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
      if (this._destination.page) {
        return;
      }
      forceReplace = true;
    }
    if (this._popStateInProgress && !forceReplace) {
      return;
    }
    this._pushOrReplaceState({
      dest: explicitDest,
      hash,
      page: pageNumber,
      rotation: this.linkService.rotation
    }, forceReplace);
    if (!this._popStateInProgress) {
      this._popStateInProgress = true;
      Promise.resolve().then(() => {
        this._popStateInProgress = false;
      });
    }
  }
  pushPage(pageNumber) {
    if (!this._initialized) {
      return;
    }
    if (!this._isValidPage(pageNumber)) {
      Window['ngxConsole'].error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
      return;
    }
    if (this._destination?.page === pageNumber) {
      return;
    }
    if (this._popStateInProgress) {
      return;
    }
    this._pushOrReplaceState({
      dest: null,
      hash: `page=${pageNumber}`,
      page: pageNumber,
      rotation: this.linkService.rotation
    });
    if (!this._popStateInProgress) {
      this._popStateInProgress = true;
      Promise.resolve().then(() => {
        this._popStateInProgress = false;
      });
    }
  }
  pushCurrentPosition() {
    if (!this._initialized || this._popStateInProgress) {
      return;
    }
    this._tryPushCurrentPosition();
  }
  back() {
    if (!this._initialized || this._popStateInProgress) {
      return;
    }
    const state = window.history.state;
    if (this._isValidState(state) && state.uid > 0) {
      window.history.back();
    }
  }
  forward() {
    if (!this._initialized || this._popStateInProgress) {
      return;
    }
    const state = window.history.state;
    if (this._isValidState(state) && state.uid < this._maxUid) {
      window.history.forward();
    }
  }
  get popStateInProgress() {
    return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
  }
  get initialBookmark() {
    return this._initialized ? this._initialBookmark : null;
  }
  get initialRotation() {
    return this._initialized ? this._initialRotation : null;
  }
  _pushOrReplaceState(destination, forceReplace = false) {
    const shouldReplace = forceReplace || !this._destination;
    const newState = {
      fingerprint: this._fingerprint,
      uid: shouldReplace ? this._uid : this._uid + 1,
      destination
    };
    this._updateInternalState(destination, newState.uid);
    let newUrl;
    if (this._updateUrl && destination?.hash) {
      const baseUrl = document.location.href.split("#")[0];
      if (!baseUrl.startsWith("file://")) {
        newUrl = `${baseUrl}#${destination.hash}`;
      }
    }
    if (shouldReplace) {
      window.history.replaceState(newState, "", newUrl);
    } else {
      window.history.pushState(newState, "", newUrl);
    }
  }
  _tryPushCurrentPosition(temporary = false) {
    if (!this._position) {
      return;
    }
    let position = this._position;
    if (temporary) {
      position = Object.assign(Object.create(null), this._position);
      position.temporary = true;
    }
    if (!this._destination) {
      this._pushOrReplaceState(position);
      return;
    }
    if (this._destination.temporary) {
      this._pushOrReplaceState(position, true);
      return;
    }
    if (this._destination.hash === position.hash) {
      return;
    }
    if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
      return;
    }
    let forceReplace = false;
    if (this._destination.page >= position.first && this._destination.page <= position.page) {
      if (this._destination.dest !== undefined || !this._destination.first) {
        return;
      }
      forceReplace = true;
    }
    this._pushOrReplaceState(position, forceReplace);
  }
  _isValidPage(val) {
    return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
  }
  _isValidState(state, checkReload = false) {
    if (!state) {
      return false;
    }
    if (state.fingerprint !== this._fingerprint) {
      if (checkReload) {
        if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
          return false;
        }
        const [perfEntry] = performance.getEntriesByType("navigation");
        if (perfEntry?.type !== "reload") {
          return false;
        }
      } else {
        return false;
      }
    }
    if (!Number.isInteger(state.uid) || state.uid < 0) {
      return false;
    }
    if (state.destination === null || typeof state.destination !== "object") {
      return false;
    }
    return true;
  }
  _updateInternalState(destination, uid, removeTemporary = false) {
    if (this._updateViewareaTimeout) {
      clearTimeout(this._updateViewareaTimeout);
      this._updateViewareaTimeout = null;
    }
    if (removeTemporary && destination?.temporary) {
      delete destination.temporary;
    }
    this._destination = destination;
    this._uid = uid;
    this._maxUid = Math.max(this._maxUid, uid);
    this._numPositionUpdates = 0;
  }
  _parseCurrentHash(checkNameddest = false) {
    const hash = unescape(getCurrentHash()).substring(1);
    const params = (0, _ui_utils.parseQueryString)(hash);
    const nameddest = params.get("nameddest") || "";
    let page = params.get("page") | 0;
    if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) {
      page = null;
    }
    return {
      hash,
      page,
      rotation: this.linkService.rotation
    };
  }
  _updateViewarea({
    location
  }) {
    if (this._updateViewareaTimeout) {
      clearTimeout(this._updateViewareaTimeout);
      this._updateViewareaTimeout = null;
    }
    this._position = {
      hash: location.pdfOpenParams.substring(1),
      page: this.linkService.page,
      first: location.pageNumber,
      rotation: location.rotation
    };
    if (this._popStateInProgress) {
      return;
    }
    if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
      this._numPositionUpdates++;
    }
    if (UPDATE_VIEWAREA_TIMEOUT > 0) {
      this._updateViewareaTimeout = setTimeout(() => {
        if (!this._popStateInProgress) {
          this._tryPushCurrentPosition(true);
        }
        this._updateViewareaTimeout = null;
      }, UPDATE_VIEWAREA_TIMEOUT);
    }
  }
  _popState({
    state
  }) {
    const newHash = getCurrentHash(),
      hashChanged = this._currentHash !== newHash;
    this._currentHash = newHash;
    if (!state) {
      this._uid++;
      const {
        hash,
        page,
        rotation
      } = this._parseCurrentHash();
      this._pushOrReplaceState({
        hash,
        page,
        rotation
      }, true);
      return;
    }
    if (!this._isValidState(state)) {
      return;
    }
    this._popStateInProgress = true;
    if (hashChanged) {
      this._blockHashChange++;
      (0, _event_utils.waitOnEventOrTimeout)({
        target: window,
        name: "hashchange",
        delay: HASH_CHANGE_TIMEOUT
      }).then(() => {
        this._blockHashChange--;
      });
    }
    const destination = state.destination;
    this._updateInternalState(destination, state.uid, true);
    if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
      this.linkService.rotation = destination.rotation;
    }
    if (destination.dest) {
      this.linkService.goToDestination(destination.dest);
    } else if (destination.hash) {
      this.linkService.setHash(destination.hash);
    } else if (destination.page) {
      this.linkService.page = destination.page;
    }
    Promise.resolve().then(() => {
      this._popStateInProgress = false;
    });
  }
  _pageHide() {
    if (!this._destination || this._destination.temporary) {
      this._tryPushCurrentPosition();
    }
  }
  _bindEvents() {
    if (this._boundEvents) {
      return;
    }
    this._boundEvents = {
      updateViewarea: this._updateViewarea.bind(this),
      popState: this._popState.bind(this),
      pageHide: this._pageHide.bind(this)
    };
    this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
    window.addEventListener("popstate", this._boundEvents.popState);
    window.addEventListener("pagehide", this._boundEvents.pageHide);
  }
  _unbindEvents() {
    if (!this._boundEvents) {
      return;
    }
    this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
    window.removeEventListener("popstate", this._boundEvents.popState);
    window.removeEventListener("pagehide", this._boundEvents.pageHide);
    this._boundEvents = null;
  }
}
exports.PDFHistory = PDFHistory;
function isDestHashesEqual(destHash, pushHash) {
  if (typeof destHash !== "string" || typeof pushHash !== "string") {
    return false;
  }
  if (destHash === pushHash) {
    return true;
  }
  const nameddest = (0, _ui_utils.parseQueryString)(destHash).get("nameddest");
  if (nameddest === pushHash) {
    return true;
  }
  return false;
}
function isDestArraysEqual(firstDest, secondDest) {
  function isEntryEqual(first, second) {
    if (typeof first !== typeof second) {
      return false;
    }
    if (Array.isArray(first) || Array.isArray(second)) {
      return false;
    }
    if (first !== null && typeof first === "object" && second !== null) {
      if (Object.keys(first).length !== Object.keys(second).length) {
        return false;
      }
      for (const key in first) {
        if (!isEntryEqual(first[key], second[key])) {
          return false;
        }
      }
      return true;
    }
    return first === second || Number.isNaN(first) && Number.isNaN(second);
  }
  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
    return false;
  }
  if (firstDest.length !== secondDest.length) {
    return false;
  }
  for (let i = 0, ii = firstDest.length; i < ii; i++) {
    if (!isEntryEqual(firstDest[i], secondDest[i])) {
      return false;
    }
  }
  return true;
}

/***/ }),
/* 22 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFLayerViewer = void 0;
var _base_tree_viewer = __webpack_require__(12);
class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer {
  constructor(options) {
    super(options);
    this.l10n = options.l10n;
    this.eventBus._on("optionalcontentconfigchanged", evt => {
      this.#updateLayers(evt.promise);
    });
    this.eventBus._on("resetlayers", () => {
      this.#updateLayers();
    });
    this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
  }
  reset() {
    super.reset();
    this._optionalContentConfig = null;
    this._optionalContentHash = null;
  }
  _dispatchEvent(layersCount) {
    this.eventBus.dispatch("layersloaded", {
      source: this,
      layersCount
    });
  }
  _bindLink(element, {
    groupId,
    input
  }) {
    const setVisibility = () => {
      this._optionalContentConfig.setVisibility(groupId, input.checked);
      this._optionalContentHash = this._optionalContentConfig.getHash();
      this.eventBus.dispatch("optionalcontentconfig", {
        source: this,
        promise: Promise.resolve(this._optionalContentConfig)
      });
    };
    element.onclick = evt => {
      if (evt.target === input) {
        setVisibility();
        return true;
      } else if (evt.target !== element) {
        return true;
      }
      input.checked = !input.checked;
      setVisibility();
      return false;
    };
  }
  async _setNestedName(element, {
    name = null
  }) {
    if (typeof name === "string") {
      element.textContent = this._normalizeTextContent(name);
      return;
    }
    element.textContent = await this.l10n.get("additional_layers");
    element.style.fontStyle = "italic";
  }
  _addToggleButton(div, {
    name = null
  }) {
    super._addToggleButton(div, name === null);
  }
  _toggleAllTreeItems() {
    if (!this._optionalContentConfig) {
      return;
    }
    super._toggleAllTreeItems();
  }
  render({
    optionalContentConfig,
    pdfDocument
  }) {
    if (this._optionalContentConfig) {
      this.reset();
    }
    this._optionalContentConfig = optionalContentConfig || null;
    this._pdfDocument = pdfDocument || null;
    const groups = optionalContentConfig?.getOrder();
    if (!groups) {
      this._dispatchEvent(0);
      return;
    }
    this._optionalContentHash = optionalContentConfig.getHash();
    const fragment = document.createDocumentFragment(),
      queue = [{
        parent: fragment,
        groups
      }];
    let layersCount = 0,
      hasAnyNesting = false;
    while (queue.length > 0) {
      const levelData = queue.shift();
      for (const groupId of levelData.groups) {
        const div = document.createElement("div");
        div.className = "treeItem";
        const element = document.createElement("a");
        div.append(element);
        if (typeof groupId === "object") {
          hasAnyNesting = true;
          this._addToggleButton(div, groupId);
          this._setNestedName(element, groupId);
          const itemsDiv = document.createElement("div");
          itemsDiv.className = "treeItems";
          div.append(itemsDiv);
          queue.push({
            parent: itemsDiv,
            groups: groupId.order
          });
        } else {
          const group = optionalContentConfig.getGroup(groupId);
          const input = document.createElement("input");
          this._bindLink(element, {
            groupId,
            input
          });
          input.type = "checkbox";
          input.checked = group.visible;
          const label = document.createElement("label");
          label.textContent = this._normalizeTextContent(group.name);
          label.append(input);
          element.append(label);
          layersCount++;
        }
        levelData.parent.append(div);
      }
    }
    this._finishRendering(fragment, layersCount, hasAnyNesting);
  }
  async #updateLayers(promise = null) {
    if (!this._optionalContentConfig) {
      return;
    }
    const pdfDocument = this._pdfDocument;
    const optionalContentConfig = await (promise || pdfDocument.getOptionalContentConfig());
    if (pdfDocument !== this._pdfDocument) {
      return;
    }
    if (promise) {
      if (optionalContentConfig.getHash() === this._optionalContentHash) {
        return;
      }
    } else {
      this.eventBus.dispatch("optionalcontentconfig", {
        source: this,
        promise: Promise.resolve(optionalContentConfig)
      });
    }
    this.render({
      optionalContentConfig,
      pdfDocument: this._pdfDocument
    });
  }
}
exports.PDFLayerViewer = PDFLayerViewer;

/***/ }),
/* 23 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFOutlineViewer = void 0;
var _base_tree_viewer = __webpack_require__(12);
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer {
  constructor(options) {
    super(options);
    this.linkService = options.linkService;
    this.downloadManager = options.downloadManager;
    this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));
    this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this));
    this.eventBus._on("pagechanging", evt => {
      this._currentPageNumber = evt.pageNumber;
    });
    this.eventBus._on("pagesloaded", evt => {
      this._isPagesLoaded = !!evt.pagesCount;
      if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) {
        this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
      }
    });
    this.eventBus._on("sidebarviewchanged", evt => {
      this._sidebarView = evt.view;
    });
  }
  reset() {
    super.reset();
    this._outline = null;
    this._pageNumberToDestHashCapability = null;
    this._currentPageNumber = 1;
    this._isPagesLoaded = null;
    if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) {
      this._currentOutlineItemCapability.resolve(false);
    }
    this._currentOutlineItemCapability = null;
  }
  _dispatchEvent(outlineCount) {
    this._currentOutlineItemCapability = (0, _pdfjsLib.createPromiseCapability)();
    if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) {
      this._currentOutlineItemCapability.resolve(false);
    } else if (this._isPagesLoaded !== null) {
      this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
    }
    this.eventBus.dispatch("outlineloaded", {
      source: this,
      outlineCount,
      currentOutlineItemPromise: this._currentOutlineItemCapability.promise
    });
  }
  _bindLink(element, {
    url,
    newWindow,
    action,
    attachment,
    dest,
    setOCGState
  }) {
    const {
      linkService
    } = this;
    if (url) {
      linkService.addLinkAttributes(element, url, newWindow);
      return;
    }
    if (action) {
      element.href = linkService.getAnchorUrl("");
      element.onclick = () => {
        linkService.executeNamedAction(action);
        return false;
      };
      return;
    }
    if (attachment) {
      element.href = linkService.getAnchorUrl("");
      element.onclick = () => {
        this.downloadManager.openOrDownloadData(element, attachment.content, attachment.filename);
        return false;
      };
      return;
    }
    if (setOCGState) {
      element.href = linkService.getAnchorUrl("");
      element.onclick = () => {
        linkService.executeSetOCGState(setOCGState);
        return false;
      };
      return;
    }
    element.href = linkService.getDestinationHash(dest);
    element.onclick = evt => {
      this._updateCurrentTreeItem(evt.target.parentNode);
      if (dest) {
        linkService.goToDestination(dest);
      }
      return false;
    };
  }
  _setStyles(element, {
    bold,
    italic
  }) {
    if (bold) {
      element.style.fontWeight = "bold";
    }
    if (italic) {
      element.style.fontStyle = "italic";
    }
  }
  _addToggleButton(div, {
    count,
    items
  }) {
    let hidden = false;
    if (count < 0) {
      let totalCount = items.length;
      if (totalCount > 0) {
        const queue = [...items];
        while (queue.length > 0) {
          const {
            count: nestedCount,
            items: nestedItems
          } = queue.shift();
          if (nestedCount > 0 && nestedItems.length > 0) {
            totalCount += nestedItems.length;
            queue.push(...nestedItems);
          }
        }
      }
      if (Math.abs(count) === totalCount) {
        hidden = true;
      }
    }
    super._addToggleButton(div, hidden);
  }
  _toggleAllTreeItems() {
    if (!this._outline) {
      return;
    }
    super._toggleAllTreeItems();
  }
  render({
    outline,
    pdfDocument
  }) {
    if (this._outline) {
      this.reset();
    }
    this._outline = outline || null;
    this._pdfDocument = pdfDocument || null;
    if (!outline) {
      this._dispatchEvent(0);
      return;
    }
    const fragment = document.createDocumentFragment();
    const queue = [{
      parent: fragment,
      items: outline
    }];
    let outlineCount = 0,
      hasAnyNesting = false;
    while (queue.length > 0) {
      const levelData = queue.shift();
      for (const item of levelData.items) {
        const div = document.createElement("div");
        div.className = "treeItem";
        const element = document.createElement("a");
        this._bindLink(element, item);
        this._setStyles(element, item);
        element.textContent = this._normalizeTextContent(item.title);
        div.append(element);
        if (item.items.length > 0) {
          hasAnyNesting = true;
          this._addToggleButton(div, item);
          const itemsDiv = document.createElement("div");
          itemsDiv.className = "treeItems";
          div.append(itemsDiv);
          queue.push({
            parent: itemsDiv,
            items: item.items
          });
        }
        levelData.parent.append(div);
        outlineCount++;
      }
    }
    this._finishRendering(fragment, outlineCount, hasAnyNesting);
  }
  async _currentOutlineItem() {
    if (!this._isPagesLoaded) {
      throw new Error("_currentOutlineItem: All pages have not been loaded.");
    }
    if (!this._outline || !this._pdfDocument) {
      return;
    }
    const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument);
    if (!pageNumberToDestHash) {
      return;
    }
    this._updateCurrentTreeItem(null);
    if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) {
      return;
    }
    for (let i = this._currentPageNumber; i > 0; i--) {
      const destHash = pageNumberToDestHash.get(i);
      if (!destHash) {
        continue;
      }
      const linkElement = this.container.querySelector(`a[href="${destHash}"]`);
      if (!linkElement) {
        continue;
      }
      this._scrollToCurrentTreeItem(linkElement.parentNode);
      break;
    }
  }
  async _getPageNumberToDestHash(pdfDocument) {
    if (this._pageNumberToDestHashCapability) {
      return this._pageNumberToDestHashCapability.promise;
    }
    this._pageNumberToDestHashCapability = (0, _pdfjsLib.createPromiseCapability)();
    const pageNumberToDestHash = new Map(),
      pageNumberNesting = new Map();
    const queue = [{
      nesting: 0,
      items: this._outline
    }];
    while (queue.length > 0) {
      const levelData = queue.shift(),
        currentNesting = levelData.nesting;
      for (const {
        dest,
        items
      } of levelData.items) {
        let explicitDest, pageNumber;
        if (typeof dest === "string") {
          explicitDest = await pdfDocument.getDestination(dest);
          if (pdfDocument !== this._pdfDocument) {
            return null;
          }
        } else {
          explicitDest = dest;
        }
        if (Array.isArray(explicitDest)) {
          const [destRef] = explicitDest;
          if (typeof destRef === "object" && destRef !== null) {
            pageNumber = this.linkService._cachedPageNumber(destRef);
            if (!pageNumber) {
              try {
                pageNumber = (await pdfDocument.getPageIndex(destRef)) + 1;
                if (pdfDocument !== this._pdfDocument) {
                  return null;
                }
                this.linkService.cachePageRef(pageNumber, destRef);
              } catch (ex) {}
            }
          } else if (Number.isInteger(destRef)) {
            pageNumber = destRef + 1;
          }
          if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) {
            const destHash = this.linkService.getDestinationHash(dest);
            pageNumberToDestHash.set(pageNumber, destHash);
            pageNumberNesting.set(pageNumber, currentNesting);
          }
        }
        if (items.length > 0) {
          queue.push({
            nesting: currentNesting + 1,
            items
          });
        }
      }
    }
    this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null);
    return this._pageNumberToDestHashCapability.promise;
  }
}
exports.PDFOutlineViewer = PDFOutlineViewer;

/***/ }),
/* 24 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFPresentationMode = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
const DELAY_BEFORE_HIDING_CONTROLS = 3000;
const ACTIVE_SELECTOR = "pdfPresentationMode";
const CONTROLS_SELECTOR = "pdfPresentationModeControls";
const MOUSE_SCROLL_COOLDOWN_TIME = 50;
const PAGE_SWITCH_THRESHOLD = 0.1;
const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
class PDFPresentationMode {
  #state = _ui_utils.PresentationModeState.UNKNOWN;
  #args = null;
  constructor({
    container,
    pdfViewer,
    eventBus
  }) {
    this.container = container;
    this.pdfViewer = pdfViewer;
    this.eventBus = eventBus;
    this.contextMenuOpen = false;
    this.mouseScrollTimeStamp = 0;
    this.mouseScrollDelta = 0;
    this.touchSwipeState = null;
  }
  async request() {
    const {
      container,
      pdfViewer
    } = this;
    if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) {
      return false;
    }
    this.#addFullscreenChangeListeners();
    this.#notifyStateChange(_ui_utils.PresentationModeState.CHANGING);
    const promise = container.requestFullscreen();
    this.#args = {
      pageNumber: pdfViewer.currentPageNumber,
      scaleValue: pdfViewer.currentScaleValue,
      scrollMode: pdfViewer.scrollMode,
      spreadMode: null,
      annotationEditorMode: null
    };
    if (pdfViewer.spreadMode !== _ui_utils.SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) {
      console.warn("Ignoring Spread modes when entering PresentationMode, " + "since the document may contain varying page sizes.");
      this.#args.spreadMode = pdfViewer.spreadMode;
    }
    if (pdfViewer.annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) {
      this.#args.annotationEditorMode = pdfViewer.annotationEditorMode;
    }
    try {
      await promise;
      pdfViewer.focus();
      return true;
    } catch (reason) {
      this.#removeFullscreenChangeListeners();
      this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
    }
    return false;
  }
  get active() {
    return this.#state === _ui_utils.PresentationModeState.CHANGING || this.#state === _ui_utils.PresentationModeState.FULLSCREEN;
  }
  #mouseWheel(evt) {
    if (!this.active) {
      return;
    }
    evt.preventDefault();
    const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
    const currentTime = Date.now();
    const storedTime = this.mouseScrollTimeStamp;
    if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
      return;
    }
    if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
      this.#resetMouseScrollState();
    }
    this.mouseScrollDelta += delta;
    if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
      const totalDelta = this.mouseScrollDelta;
      this.#resetMouseScrollState();
      const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage();
      if (success) {
        this.mouseScrollTimeStamp = currentTime;
      }
    }
  }
  #notifyStateChange(state) {
    this.#state = state;
    this.eventBus.dispatch("presentationmodechanged", {
      source: this,
      state
    });
  }
  #enter() {
    this.#notifyStateChange(_ui_utils.PresentationModeState.FULLSCREEN);
    this.container.classList.add(ACTIVE_SELECTOR);
    setTimeout(() => {
      this.pdfViewer.scrollMode = _ui_utils.ScrollMode.PAGE;
      if (this.#args.spreadMode !== null) {
        this.pdfViewer.spreadMode = _ui_utils.SpreadMode.NONE;
      }
      this.pdfViewer.currentPageNumber = this.#args.pageNumber;
      this.pdfViewer.currentScaleValue = "page-fit";
      if (this.#args.annotationEditorMode !== null) {
        this.pdfViewer.annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
      }
    }, 0);
    this.#addWindowListeners();
    this.#showControls();
    this.contextMenuOpen = false;
    window.getSelection().removeAllRanges();
  }
  #exit() {
    const pageNumber = this.pdfViewer.currentPageNumber;
    this.container.classList.remove(ACTIVE_SELECTOR);
    setTimeout(() => {
      this.#removeFullscreenChangeListeners();
      this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
      this.pdfViewer.scrollMode = this.#args.scrollMode;
      if (this.#args.spreadMode !== null) {
        this.pdfViewer.spreadMode = this.#args.spreadMode;
      }
      this.pdfViewer.currentScaleValue = this.#args.scaleValue;
      this.pdfViewer.currentPageNumber = pageNumber;
      if (this.#args.annotationEditorMode !== null) {
        this.pdfViewer.annotationEditorMode = this.#args.annotationEditorMode;
      }
      this.#args = null;
    }, 0);
    this.#removeWindowListeners();
    this.#hideControls();
    this.#resetMouseScrollState();
    this.contextMenuOpen = false;
  }
  _prepareFullscreenMode() {
    const domElement = document.getElementsByClassName("zoom")[0].parentElement;
    const parent = domElement.parentElement;
    this.ngxContainer = parent;
    for (let i = 0; i < parent.childElementCount; i++) {
      if (parent.children.item(i) === domElement) {
        this.ngxContainerIndex = i;
      }
    }
    parent.removeChild(domElement);
    document.body.append(domElement);
    const siblings = document.body.children;
    for (let i = 0; i < siblings.length; i++) {
      const s = siblings.item(i);
      if (s !== domElement && s instanceof HTMLElement) {
        s.classList.add("hidden-by-fullscreen");
      }
    }
    document.getElementById("sidebarContainer").classList.add("hidden-by-fullscreen");
    document.getElementsByClassName("toolbar")[0].classList.add("hidden-by-fullscreen");
  }
  _tidyUpFullscreenMode() {
    if (this.ngxContainer) {
      const domElement = document.getElementsByClassName("zoom")[0].parentElement;
      document.body.removeChild(domElement);
      if (this.ngxContainerIndex >= this.ngxContainer.childElementCount) {
        this.ngxContainer.append(domElement);
      } else {
        this.ngxContainer.insertBefore(domElement, this.ngxContainer.children.item(this.ngxContainerIndex));
      }
      this.ngxContainer = undefined;
      const siblings = document.body.children;
      for (let i = 0; i < siblings.length; i++) {
        const s = siblings.item(i);
        if (s !== domElement && s instanceof HTMLElement) {
          if (s.classList.contains("hidden-by-fullscreen")) {
            s.classList.remove("hidden-by-fullscreen");
          }
        }
      }
      document.getElementById("sidebarContainer").classList.remove("hidden-by-fullscreen");
      document.getElementsByClassName("toolbar")[0].classList.remove("hidden-by-fullscreen");
    }
  }
  #mouseDown(evt) {
    if (this.contextMenuOpen) {
      this.contextMenuOpen = false;
      evt.preventDefault();
      return;
    }
    if (evt.button !== 0) {
      return;
    }
    if (evt.target.href && evt.target.parentNode?.hasAttribute("data-internal-link")) {
      return;
    }
    evt.preventDefault();
    if (evt.shiftKey) {
      this.pdfViewer.previousPage();
    } else {
      this.pdfViewer.nextPage();
    }
  }
  #contextMenu() {
    this.contextMenuOpen = true;
  }
  #showControls() {
    if (this.controlsTimeout) {
      clearTimeout(this.controlsTimeout);
    } else {
      this.container.classList.add(CONTROLS_SELECTOR);
    }
    this.controlsTimeout = setTimeout(() => {
      this.container.classList.remove(CONTROLS_SELECTOR);
      delete this.controlsTimeout;
    }, DELAY_BEFORE_HIDING_CONTROLS);
  }
  #hideControls() {
    if (!this.controlsTimeout) {
      return;
    }
    clearTimeout(this.controlsTimeout);
    this.container.classList.remove(CONTROLS_SELECTOR);
    delete this.controlsTimeout;
  }
  #resetMouseScrollState() {
    this.mouseScrollTimeStamp = 0;
    this.mouseScrollDelta = 0;
  }
  #touchSwipe(evt) {
    if (!this.active) {
      return;
    }
    if (evt.touches.length > 1) {
      this.touchSwipeState = null;
      return;
    }
    switch (evt.type) {
      case "touchstart":
        this.touchSwipeState = {
          startX: evt.touches[0].pageX,
          startY: evt.touches[0].pageY,
          endX: evt.touches[0].pageX,
          endY: evt.touches[0].pageY
        };
        break;
      case "touchmove":
        if (this.touchSwipeState === null) {
          return;
        }
        this.touchSwipeState.endX = evt.touches[0].pageX;
        this.touchSwipeState.endY = evt.touches[0].pageY;
        evt.preventDefault();
        break;
      case "touchend":
        if (this.touchSwipeState === null) {
          return;
        }
        let delta = 0;
        const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
        const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
        const absAngle = Math.abs(Math.atan2(dy, dx));
        if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
          delta = dx;
        } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
          delta = dy;
        }
        if (delta > 0) {
          this.pdfViewer.previousPage();
        } else if (delta < 0) {
          this.pdfViewer.nextPage();
        }
        break;
    }
  }
  #addWindowListeners() {
    this.showControlsBind = this.#showControls.bind(this);
    this.mouseDownBind = this.#mouseDown.bind(this);
    this.mouseWheelBind = this.#mouseWheel.bind(this);
    this.resetMouseScrollStateBind = this.#resetMouseScrollState.bind(this);
    this.contextMenuBind = this.#contextMenu.bind(this);
    this.touchSwipeBind = this.#touchSwipe.bind(this);
    window.addEventListener("mousemove", this.showControlsBind);
    window.addEventListener("mousedown", this.mouseDownBind);
    window.addEventListener("wheel", this.mouseWheelBind, {
      passive: false
    });
    window.addEventListener("keydown", this.resetMouseScrollStateBind);
    window.addEventListener("contextmenu", this.contextMenuBind);
    window.addEventListener("touchstart", this.touchSwipeBind);
    window.addEventListener("touchmove", this.touchSwipeBind);
    window.addEventListener("touchend", this.touchSwipeBind);
  }
  #removeWindowListeners() {
    window.removeEventListener("mousemove", this.showControlsBind);
    window.removeEventListener("mousedown", this.mouseDownBind);
    window.removeEventListener("wheel", this.mouseWheelBind, {
      passive: false
    });
    window.removeEventListener("keydown", this.resetMouseScrollStateBind);
    window.removeEventListener("contextmenu", this.contextMenuBind);
    window.removeEventListener("touchstart", this.touchSwipeBind);
    window.removeEventListener("touchmove", this.touchSwipeBind);
    window.removeEventListener("touchend", this.touchSwipeBind);
    delete this.showControlsBind;
    delete this.mouseDownBind;
    delete this.mouseWheelBind;
    delete this.resetMouseScrollStateBind;
    delete this.contextMenuBind;
    delete this.touchSwipeBind;
  }
  #fullscreenChange() {
    if (document.fullscreenElement) {
      this.#enter();
    } else {
      this.#exit();
    }
  }
  #addFullscreenChangeListeners() {
    this.fullscreenChangeBind = this.#fullscreenChange.bind(this);
    window.addEventListener("fullscreenchange", this.fullscreenChangeBind);
  }
  #removeFullscreenChangeListeners() {
    window.removeEventListener("fullscreenchange", this.fullscreenChangeBind);
    delete this.fullscreenChangeBind;
  }
}
exports.PDFPresentationMode = PDFPresentationMode;

/***/ }),
/* 25 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFRenderingQueue = void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
const CLEANUP_TIMEOUT = 30000;
class PDFRenderingQueue {
  constructor() {
    this.pdfViewer = null;
    this.pdfThumbnailViewer = null;
    this.onIdle = null;
    this.highestPriorityPage = null;
    this.idleTimeout = null;
    this.printing = false;
    this.isThumbnailViewEnabled = false;
  }
  setViewer(pdfViewer) {
    this.pdfViewer = pdfViewer;
  }
  setThumbnailViewer(pdfThumbnailViewer) {
    this.pdfThumbnailViewer = pdfThumbnailViewer;
  }
  isHighestPriority(view) {
    return this.highestPriorityPage === view.renderingId;
  }
  hasViewer() {
    return !!this.pdfViewer;
  }
  renderHighestPriority(currentlyVisiblePages) {
    if (this.idleTimeout) {
      clearTimeout(this.idleTimeout);
      this.idleTimeout = null;
    }
    if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
      return;
    }
    if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) {
      return;
    }
    if (this.printing) {
      return;
    }
    if (this.onIdle) {
      this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
    }
  }
  getHighestPriority(visible, views, scrolledDown, preRenderExtra = false) {
    const visibleViews = visible.views,
      numVisible = visibleViews.length;
    if (numVisible === 0) {
      return null;
    }
    for (let i = 0; i < numVisible; i++) {
      const view = visibleViews[i].view;
      if (!this.isViewFinished(view)) {
        return view;
      }
    }
    const firstId = visible.first.id,
      lastId = visible.last.id;
    if (lastId - firstId + 1 > numVisible) {
      const visibleIds = visible.ids;
      for (let i = 1, ii = lastId - firstId; i < ii; i++) {
        const holeId = scrolledDown ? firstId + i : lastId - i;
        if (visibleIds.has(holeId)) {
          continue;
        }
        const holeView = views[holeId - 1];
        if (!this.isViewFinished(holeView)) {
          return holeView;
        }
      }
    }
    let preRenderIndex = scrolledDown ? lastId : firstId - 2;
    let preRenderView = views[preRenderIndex];
    if (preRenderView && !this.isViewFinished(preRenderView)) {
      return preRenderView;
    }
    if (preRenderExtra) {
      preRenderIndex += scrolledDown ? 1 : -1;
      preRenderView = views[preRenderIndex];
      if (preRenderView && !this.isViewFinished(preRenderView)) {
        return preRenderView;
      }
    }
    return null;
  }
  isViewFinished(view) {
    return view.renderingState === _ui_utils.RenderingStates.FINISHED;
  }
  renderView(view) {
    switch (view.renderingState) {
      case _ui_utils.RenderingStates.FINISHED:
        return false;
      case _ui_utils.RenderingStates.PAUSED:
        this.highestPriorityPage = view.renderingId;
        view.resume();
        break;
      case _ui_utils.RenderingStates.RUNNING:
        this.highestPriorityPage = view.renderingId;
        break;
      case _ui_utils.RenderingStates.INITIAL:
        this.highestPriorityPage = view.renderingId;
        view.draw().finally(() => {
          this.renderHighestPriority();
        }).catch(reason => {
          if (reason instanceof _pdfjsLib.RenderingCancelledException) {
            return;
          }
          Window['ngxConsole'].error(`renderView: "${reason}"`);
        });
        break;
    }
    return true;
  }
}
exports.PDFRenderingQueue = PDFRenderingQueue;

/***/ }),
/* 26 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFScriptingManager = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
class PDFScriptingManager {
  constructor({
    eventBus,
    sandboxBundleSrc = null,
    scriptingFactory = null,
    docPropertiesLookup = null
  }) {
    this._pdfDocument = null;
    this._pdfViewer = null;
    this._closeCapability = null;
    this._destroyCapability = null;
    this._scripting = null;
    this._ready = false;
    this._eventBus = eventBus;
    this._sandboxBundleSrc = sandboxBundleSrc;
    this._scriptingFactory = scriptingFactory;
    this._docPropertiesLookup = docPropertiesLookup;
  }
  setViewer(pdfViewer) {
    this._pdfViewer = pdfViewer;
  }
  async setDocument(pdfDocument) {
    if (this._pdfDocument) {
      await this._destroyScripting();
    }
    this._pdfDocument = pdfDocument;
    if (!pdfDocument) {
      return;
    }
    const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);
    if (!objects && !docActions) {
      await this._destroyScripting();
      return;
    }
    if (pdfDocument !== this._pdfDocument) {
      return;
    }
    try {
      this._scripting = this._createScripting();
    } catch (error) {
      Window['ngxConsole'].error(`PDFScriptingManager.setDocument: "${error?.message}".`);
      await this._destroyScripting();
      return;
    }
    this._internalEvents.set("updatefromsandbox", event => {
      if (event?.source !== window) {
        return;
      }
      this._updateFromSandbox(event.detail);
    });
    this._internalEvents.set("dispatcheventinsandbox", event => {
      this._scripting?.dispatchEventInSandbox(event.detail);
    });
    this._internalEvents.set("pagechanging", ({
      pageNumber,
      previous
    }) => {
      if (pageNumber === previous) {
        return;
      }
      this._dispatchPageClose(previous);
      this._dispatchPageOpen(pageNumber);
    });
    this._internalEvents.set("pagerendered", ({
      pageNumber
    }) => {
      if (!this._pageOpenPending.has(pageNumber)) {
        return;
      }
      if (pageNumber !== this._pdfViewer.currentPageNumber) {
        return;
      }
      this._dispatchPageOpen(pageNumber);
    });
    this._internalEvents.set("pagesdestroy", async event => {
      await this._dispatchPageClose(this._pdfViewer.currentPageNumber);
      await this._scripting?.dispatchEventInSandbox({
        id: "doc",
        name: "WillClose"
      });
      this._closeCapability?.resolve();
    });
    for (const [name, listener] of this._internalEvents) {
      this._eventBus._on(name, listener);
    }
    try {
      const docProperties = await this._getDocProperties();
      if (pdfDocument !== this._pdfDocument) {
        return;
      }
      await this._scripting.createSandbox({
        objects,
        calculationOrder,
        appInfo: {
          platform: navigator.platform,
          language: navigator.language
        },
        docInfo: {
          ...docProperties,
          actions: docActions
        }
      });
      this._eventBus.dispatch("sandboxcreated", {
        source: this
      });
    } catch (error) {
      Window['ngxConsole'].error(`PDFScriptingManager.setDocument: "${error?.message}".`);
      await this._destroyScripting();
      return;
    }
    await this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "Open"
    });
    await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true);
    Promise.resolve().then(() => {
      if (pdfDocument === this._pdfDocument) {
        this._ready = true;
      }
    });
  }
  async dispatchWillSave(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "WillSave"
    });
  }
  async dispatchDidSave(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "DidSave"
    });
  }
  async dispatchWillPrint(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "WillPrint"
    });
  }
  async dispatchDidPrint(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "DidPrint"
    });
  }
  get destroyPromise() {
    return this._destroyCapability?.promise || null;
  }
  get ready() {
    return this._ready;
  }
  get _internalEvents() {
    return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map());
  }
  get _pageOpenPending() {
    return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set());
  }
  get _visitedPages() {
    return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map());
  }
  async _updateFromSandbox(detail) {
    const isInPresentationMode = this._pdfViewer.isInPresentationMode || this._pdfViewer.isChangingPresentationMode;
    const {
      id,
      siblings,
      command,
      value
    } = detail;
    if (!id) {
      switch (command) {
        case "clear":
          Window['ngxConsole'].clear();
          break;
        case "error":
          Window['ngxConsole'].error(value);
          break;
        case "layout":
          {
            if (isInPresentationMode) {
              return;
            }
            const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value);
            this._pdfViewer.spreadMode = modes.spreadMode;
            break;
          }
        case "page-num":
          this._pdfViewer.currentPageNumber = value + 1;
          break;
        case "print":
          await this._pdfViewer.pagesPromise;
          this._eventBus.dispatch("print", {
            source: this
          });
          break;
        case "println":
          Window['ngxConsole'].log(value);
          break;
        case "zoom":
          if (isInPresentationMode) {
            return;
          }
          this._pdfViewer.currentScaleValue = value;
          break;
        case "SaveAs":
          this._eventBus.dispatch("download", {
            source: this
          });
          break;
        case "FirstPage":
          this._pdfViewer.currentPageNumber = 1;
          break;
        case "LastPage":
          this._pdfViewer.currentPageNumber = this._pdfViewer.pagesCount;
          break;
        case "NextPage":
          this._pdfViewer.nextPage();
          break;
        case "PrevPage":
          this._pdfViewer.previousPage();
          break;
        case "ZoomViewIn":
          if (isInPresentationMode) {
            return;
          }
          this._pdfViewer.increaseScale();
          break;
        case "ZoomViewOut":
          if (isInPresentationMode) {
            return;
          }
          this._pdfViewer.decreaseScale();
          break;
      }
      return;
    }
    if (isInPresentationMode) {
      if (detail.focus) {
        return;
      }
    }
    delete detail.id;
    delete detail.siblings;
    const ids = siblings ? [id, ...siblings] : [id];
    for (const elementId of ids) {
      const element = document.querySelector(`[data-element-id="${elementId}"]`);
      if (element) {
        element.dispatchEvent(new CustomEvent("updatefromsandbox", {
          detail
        }));
      } else {
        this._pdfDocument?.annotationStorage.setValue(elementId, undefined, detail);
      }
    }
  }
  async _dispatchPageOpen(pageNumber, initialize = false) {
    const pdfDocument = this._pdfDocument,
      visitedPages = this._visitedPages;
    if (initialize) {
      this._closeCapability = (0, _pdfjsLib.createPromiseCapability)();
    }
    if (!this._closeCapability) {
      return;
    }
    const pageView = this._pdfViewer.getPageView(pageNumber - 1);
    if (pageView?.renderingState !== _ui_utils.RenderingStates.FINISHED) {
      this._pageOpenPending.add(pageNumber);
      return;
    }
    this._pageOpenPending.delete(pageNumber);
    const actionsPromise = (async () => {
      const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);
      if (pdfDocument !== this._pdfDocument) {
        return;
      }
      await this._scripting?.dispatchEventInSandbox({
        id: "page",
        name: "PageOpen",
        pageNumber,
        actions
      });
    })();
    visitedPages.set(pageNumber, actionsPromise);
  }
  async _dispatchPageClose(pageNumber) {
    const pdfDocument = this._pdfDocument,
      visitedPages = this._visitedPages;
    if (!this._closeCapability) {
      return;
    }
    if (this._pageOpenPending.has(pageNumber)) {
      return;
    }
    const actionsPromise = visitedPages.get(pageNumber);
    if (!actionsPromise) {
      return;
    }
    visitedPages.set(pageNumber, null);
    await actionsPromise;
    if (pdfDocument !== this._pdfDocument) {
      return;
    }
    await this._scripting?.dispatchEventInSandbox({
      id: "page",
      name: "PageClose",
      pageNumber
    });
  }
  async _getDocProperties() {
    if (this._docPropertiesLookup) {
      return this._docPropertiesLookup(this._pdfDocument);
    }
    throw new Error("_getDocProperties: Unable to lookup properties.");
  }
  _createScripting() {
    this._destroyCapability = (0, _pdfjsLib.createPromiseCapability)();
    if (this._scripting) {
      throw new Error("_createScripting: Scripting already exists.");
    }
    if (this._scriptingFactory) {
      return this._scriptingFactory.createScripting({
        sandboxBundleSrc: this._sandboxBundleSrc
      });
    }
    throw new Error("_createScripting: Cannot create scripting.");
  }
  async _destroyScripting() {
    if (!this._scripting) {
      this._pdfDocument = null;
      this._destroyCapability?.resolve();
      return;
    }
    if (this._closeCapability) {
      await Promise.race([this._closeCapability.promise, new Promise(resolve => {
        setTimeout(resolve, 1000);
      })]).catch(reason => {});
      this._closeCapability = null;
    }
    this._pdfDocument = null;
    try {
      await this._scripting.destroySandbox();
    } catch (ex) {}
    for (const [name, listener] of this._internalEvents) {
      this._eventBus._off(name, listener);
    }
    this._internalEvents.clear();
    this._pageOpenPending.clear();
    this._visitedPages.clear();
    this._scripting = null;
    this._ready = false;
    this._destroyCapability?.resolve();
  }
}
exports.PDFScriptingManager = PDFScriptingManager;

/***/ }),
/* 27 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFSidebar = void 0;
var _ui_utils = __webpack_require__(3);
const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
class PDFSidebar {
  constructor({
    elements,
    pdfViewer,
    pdfThumbnailViewer,
    eventBus,
    l10n
  }) {
    this.isOpen = false;
    this.active = _ui_utils.SidebarView.THUMBS;
    this.isInitialViewSet = false;
    this.isInitialEventDispatched = false;
    this.onToggled = null;
    this.pdfViewer = pdfViewer;
    this.pdfThumbnailViewer = pdfThumbnailViewer;
    this.outerContainer = elements.outerContainer;
    this.sidebarContainer = elements.sidebarContainer;
    this.toggleButton = elements.toggleButton;
    this.thumbnailButton = elements.thumbnailButton;
    this.outlineButton = elements.outlineButton;
    this.attachmentsButton = elements.attachmentsButton;
    this.layersButton = elements.layersButton;
    this.thumbnailView = elements.thumbnailView;
    this.outlineView = elements.outlineView;
    this.attachmentsView = elements.attachmentsView;
    this.layersView = elements.layersView;
    this._outlineOptionsContainer = elements.outlineOptionsContainer;
    this._currentOutlineItemButton = elements.currentOutlineItemButton;
    this.eventBus = eventBus;
    this.l10n = l10n;
    this.#addEventListeners();
  }
  reset() {
    this.isInitialViewSet = false;
    this.isInitialEventDispatched = false;
    this.#hideUINotification(true);
    this.switchView(_ui_utils.SidebarView.THUMBS);
    this.outlineButton.disabled = false;
    this.attachmentsButton.disabled = false;
    this.layersButton.disabled = false;
    this.outlineButton.hidden = false;
    this.attachmentsButton.hidden = false;
    this.layersButton.hidden = false;
    this._currentOutlineItemButton.disabled = true;
  }
  get visibleView() {
    return this.isOpen ? this.active : _ui_utils.SidebarView.NONE;
  }
  setInitialView(view = _ui_utils.SidebarView.NONE) {
    if (this.isInitialViewSet) {
      return;
    }
    this.isInitialViewSet = true;
    if (view === _ui_utils.SidebarView.NONE || view === _ui_utils.SidebarView.UNKNOWN) {
      this.#dispatchEvent();
      return;
    }
    this.switchView(view, true);
    if (!this.isInitialEventDispatched) {
      this.#dispatchEvent();
    }
  }
  switchView(view, forceOpen = false) {
    const isViewChanged = view !== this.active;
    let shouldForceRendering = false;
    switch (view) {
      case _ui_utils.SidebarView.NONE:
        if (this.isOpen) {
          this.close();
        }
        return;
      case _ui_utils.SidebarView.THUMBS:
        if (this.isOpen && isViewChanged) {
          shouldForceRendering = true;
        }
        break;
      case _ui_utils.SidebarView.OUTLINE:
        if (this.outlineButton.disabled) {
          return;
        }
        break;
      case _ui_utils.SidebarView.ATTACHMENTS:
        if (this.attachmentsButton.disabled) {
          return;
        }
        break;
      case _ui_utils.SidebarView.LAYERS:
        if (this.layersButton.disabled) {
          return;
        }
        break;
      default:
        Window['ngxConsole'].error(`PDFSidebar.switchView: "${view}" is not a valid view.`);
        return;
    }
    this.active = view;
    const isThumbs = view === _ui_utils.SidebarView.THUMBS,
      isOutline = view === _ui_utils.SidebarView.OUTLINE,
      isAttachments = view === _ui_utils.SidebarView.ATTACHMENTS,
      isLayers = view === _ui_utils.SidebarView.LAYERS;
    this.thumbnailButton.classList.toggle("toggled", isThumbs);
    this.outlineButton.classList.toggle("toggled", isOutline);
    this.attachmentsButton.classList.toggle("toggled", isAttachments);
    this.layersButton.classList.toggle("toggled", isLayers);
    this.thumbnailButton.setAttribute("aria-checked", isThumbs);
    this.outlineButton.setAttribute("aria-checked", isOutline);
    this.attachmentsButton.setAttribute("aria-checked", isAttachments);
    this.layersButton.setAttribute("aria-checked", isLayers);
    this.thumbnailView.classList.toggle("hidden", !isThumbs);
    this.outlineView.classList.toggle("hidden", !isOutline);
    this.attachmentsView.classList.toggle("hidden", !isAttachments);
    this.layersView.classList.toggle("hidden", !isLayers);
    this._outlineOptionsContainer.classList.toggle("hidden", !isOutline);
    if (forceOpen && !this.isOpen) {
      this.open();
      return;
    }
    if (shouldForceRendering) {
      this.#updateThumbnailViewer();
      this.#forceRendering();
    }
    if (isViewChanged) {
      this.#dispatchEvent();
    }
  }
  open() {
    if (this.isOpen) {
      return;
    }
    this.isOpen = true;
    this.toggleButton.classList.add("toggled");
    this.toggleButton.setAttribute("aria-expanded", "true");
    this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
    if (this.active === _ui_utils.SidebarView.THUMBS) {
      this.#updateThumbnailViewer();
    }
    this.#forceRendering();
    this.#dispatchEvent();
    this.#hideUINotification();
  }
  close() {
    if (!this.isOpen) {
      return;
    }
    this.isOpen = false;
    this.toggleButton.classList.remove("toggled");
    this.toggleButton.setAttribute("aria-expanded", "false");
    this.outerContainer.classList.add("sidebarMoving");
    this.outerContainer.classList.remove("sidebarOpen");
    this.#forceRendering();
    this.#dispatchEvent();
  }
  toggle() {
    if (this.isOpen) {
      this.close();
    } else {
      this.open();
    }
  }
  #dispatchEvent() {
    if (this.isInitialViewSet && !this.isInitialEventDispatched) {
      this.isInitialEventDispatched = true;
    }
    this.eventBus.dispatch("sidebarviewchanged", {
      source: this,
      view: this.visibleView
    });
  }
  #forceRendering() {
    if (this.onToggled) {
      this.onToggled();
    } else {
      this.pdfViewer.forceRendering();
      this.pdfThumbnailViewer.forceRendering();
    }
  }
  #updateThumbnailViewer() {
    const {
      pdfViewer,
      pdfThumbnailViewer
    } = this;
    const pagesCount = pdfViewer.pagesCount;
    for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
      const pageView = pdfViewer.getPageView(pageIndex);
      if (pageView?.renderingState === _ui_utils.RenderingStates.FINISHED) {
        const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
        thumbnailView.setImage(pageView);
      }
    }
    pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
  }
  #showUINotification() {
    this.toggleButton.setAttribute("data-l10n-id", "toggle_sidebar_notification2");
    this.l10n.translate(this.toggleButton);
    if (!this.isOpen) {
      this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
    }
  }
  #hideUINotification(reset = false) {
    if (this.isOpen || reset) {
      this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
    }
    if (reset) {
      this.toggleButton.setAttribute("data-l10n-id", "toggle_sidebar");
      this.l10n.translate(this.toggleButton);
    }
  }
  #addEventListeners() {
    this.sidebarContainer.addEventListener("transitionend", evt => {
      if (evt.target === this.sidebarContainer) {
        this.outerContainer.classList.remove("sidebarMoving");
      }
    });
    this.toggleButton.addEventListener("click", () => {
      this.toggle();
    });
    this.thumbnailButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.THUMBS);
    });
    this.outlineButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.OUTLINE);
    });
    this.outlineButton.addEventListener("dblclick", () => {
      this.eventBus.dispatch("toggleoutlinetree", {
        source: this
      });
    });
    this.attachmentsButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.ATTACHMENTS);
    });
    this.layersButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.LAYERS);
    });
    this.layersButton.addEventListener("dblclick", () => {
      this.eventBus.dispatch("resetlayers", {
        source: this
      });
    });
    this._currentOutlineItemButton.addEventListener("click", () => {
      this.eventBus.dispatch("currentoutlineitem", {
        source: this
      });
    });
    const onTreeLoaded = (count, button, view) => {
      button.disabled = !count;
      button.hidden = !count;
      if (count) {
        this.#showUINotification();
      } else if (this.active === view) {
        this.switchView(_ui_utils.SidebarView.THUMBS);
      }
    };
    this.eventBus._on("outlineloaded", evt => {
      onTreeLoaded(evt.outlineCount, this.outlineButton, _ui_utils.SidebarView.OUTLINE);
      if (evt.enableCurrentOutlineItemButton) {
        if (evt.currentOutlineItemPromise) {
          evt.currentOutlineItemPromise.then(enabled => {
            if (!this.isInitialViewSet) {
              return;
            }
            this._currentOutlineItemButton.disabled = !enabled;
          });
        }
      }
    });
    this.eventBus._on("attachmentsloaded", evt => {
      onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, _ui_utils.SidebarView.ATTACHMENTS);
    });
    this.eventBus._on("layersloaded", evt => {
      onTreeLoaded(evt.layersCount, this.layersButton, _ui_utils.SidebarView.LAYERS);
    });
    this.eventBus._on("presentationmodechanged", evt => {
      if (evt.state === _ui_utils.PresentationModeState.NORMAL && this.visibleView === _ui_utils.SidebarView.THUMBS) {
        this.#updateThumbnailViewer();
      }
    });
  }
}
exports.PDFSidebar = PDFSidebar;

/***/ }),
/* 28 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFSidebarResizer = void 0;
var _ui_utils = __webpack_require__(3);
const SIDEBAR_WIDTH_VAR = "--sidebar-width";
const SIDEBAR_MIN_WIDTH = 200;
const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
class PDFSidebarResizer {
  constructor(options, eventBus, l10n) {
    this.isRTL = false;
    this.sidebarOpen = false;
    this._width = null;
    this._outerContainerWidth = null;
    this._boundEvents = Object.create(null);
    this.outerContainer = options.outerContainer;
    this.resizer = options.resizer;
    this.eventBus = eventBus;
    l10n.getDirection().then(dir => {
      this.isRTL = dir === "rtl";
    });
    this._addEventListeners();
  }
  get outerContainerWidth() {
    return this._outerContainerWidth ||= this.outerContainer.clientWidth;
  }
  _updateWidth(width = 0) {
    const maxWidth = Math.floor(this.outerContainerWidth / 2);
    if (width > maxWidth) {
      width = maxWidth;
    }
    if (width < SIDEBAR_MIN_WIDTH) {
      width = SIDEBAR_MIN_WIDTH;
    }
    if (width === this._width) {
      return false;
    }
    this._width = width;
    _ui_utils.docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
    return true;
  }
  _mouseMove(evt) {
    let width = evt.clientX;
    if (this.isRTL) {
      width = this.outerContainerWidth - width;
    }
    this._updateWidth(width);
  }
  _mouseUp(evt) {
    this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
    this.eventBus.dispatch("resize", {
      source: this
    });
    const _boundEvents = this._boundEvents;
    window.removeEventListener("mousemove", _boundEvents.mouseMove);
    window.removeEventListener("mouseup", _boundEvents.mouseUp);
  }
  _addEventListeners() {
    const _boundEvents = this._boundEvents;
    _boundEvents.mouseMove = this._mouseMove.bind(this);
    _boundEvents.mouseUp = this._mouseUp.bind(this);
    this.resizer.addEventListener("mousedown", evt => {
      if (evt.button !== 0) {
        return;
      }
      this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
      window.addEventListener("mousemove", _boundEvents.mouseMove);
      window.addEventListener("mouseup", _boundEvents.mouseUp);
    });
    this.eventBus._on("sidebarviewchanged", evt => {
      this.sidebarOpen = !!evt?.view;
    });
    this.eventBus._on("resize", evt => {
      if (evt?.source !== window) {
        return;
      }
      this._outerContainerWidth = null;
      if (!this._width) {
        return;
      }
      if (!this.sidebarOpen) {
        this._updateWidth(this._width);
        return;
      }
      this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
      const updated = this._updateWidth(this._width);
      Promise.resolve().then(() => {
        this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
        if (updated) {
          this.eventBus.dispatch("resize", {
            source: this
          });
        }
      });
    });
  }
}
exports.PDFSidebarResizer = PDFSidebarResizer;

/***/ }),
/* 29 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFThumbnailViewer = void 0;
var _ui_utils = __webpack_require__(3);
var _pdf_thumbnail_view = __webpack_require__(30);
const THUMBNAIL_SCROLL_MARGIN = -19;
const THUMBNAIL_SELECTED_CLASS = "selected";
class PDFThumbnailViewer {
  constructor({
    container,
    linkService,
    renderingQueue,
    l10n,
    pageColors
  }) {
    this.container = container;
    this.linkService = linkService;
    this.renderingQueue = renderingQueue;
    this.l10n = l10n;
    this.pageColors = pageColors || null;
    if (this.pageColors && !(CSS.supports("color", this.pageColors.background) && CSS.supports("color", this.pageColors.foreground))) {
      if (this.pageColors.background || this.pageColors.foreground) {
        Window["ngxConsole"].warn("PDFThumbnailViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used.");
      }
      this.pageColors = null;
    }
    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));
    this._resetView();
  }
  _scrollUpdated() {
    this.renderingQueue.renderHighestPriority();
  }
  getThumbnail(index) {
    return this._thumbnails[index];
  }
  _getVisibleThumbs() {
    return (0, _ui_utils.getVisibleElements)({
      scrollEl: this.container,
      views: this._thumbnails
    });
  }
  scrollThumbnailIntoView(pageNumber) {
    if (!this.pdfDocument) {
      return;
    }
    const thumbnailView = this._thumbnails[pageNumber - 1];
    if (!thumbnailView) {
      Window["ngxConsole"].error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
      return;
    }
    if (pageNumber !== this._currentPageNumber) {
      const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
      prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
      thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
    }
    const {
      first,
      last,
      views
    } = this._getVisibleThumbs();
    if (views.length > 0) {
      let shouldScroll = false;
      if (pageNumber <= first.id || pageNumber >= last.id) {
        shouldScroll = true;
      } else {
        for (const {
          id,
          percent
        } of views) {
          if (id !== pageNumber) {
            continue;
          }
          shouldScroll = percent < 100;
          break;
        }
      }
      if (shouldScroll) {
        (0, _ui_utils.scrollIntoView)(thumbnailView.div, {
          top: THUMBNAIL_SCROLL_MARGIN
        });
      }
    }
    this._currentPageNumber = pageNumber;
  }
  get pagesRotation() {
    return this._pagesRotation;
  }
  set pagesRotation(rotation) {
    if (!(0, _ui_utils.isValidRotation)(rotation)) {
      throw new Error("Invalid thumbnails rotation angle.");
    }
    if (!this.pdfDocument) {
      return;
    }
    if (this._pagesRotation === rotation) {
      return;
    }
    this._pagesRotation = rotation;
    const updateArgs = {
      rotation
    };
    for (const thumbnail of this._thumbnails) {
      thumbnail.update(updateArgs);
    }
  }
  cleanup() {
    for (const thumbnail of this._thumbnails) {
      if (thumbnail.renderingState !== _ui_utils.RenderingStates.FINISHED) {
        thumbnail.reset();
      }
    }
    _pdf_thumbnail_view.TempImageFactory.destroyCanvas();
  }
  _resetView() {
    this._thumbnails = [];
    this._currentPageNumber = 1;
    this._pageLabels = null;
    this._pagesRotation = 0;
    this.container.textContent = "";
  }
  setDocument(pdfDocument) {
    this.initialized = false;
    if (this.pdfDocument) {
      this._cancelRendering();
      this._resetView();
    }
    this.pdfDocument = pdfDocument;
    if (!pdfDocument) {
      return;
    }
    if (this.initialized) {
      return;
    }
    this.initialized = true;
    const firstPagePromise = pdfDocument.getPage(1);
    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
    firstPagePromise.then(firstPdfPage => {
      const pagesCount = pdfDocument.numPages;
      const viewport = firstPdfPage.getViewport({
        scale: 1
      });
      for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
        const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
          container: this.container,
          id: pageNum,
          defaultViewport: viewport.clone(),
          optionalContentConfigPromise,
          linkService: this.linkService,
          renderingQueue: this.renderingQueue,
          l10n: this.l10n,
          pageColors: this.pageColors
        });
        this._thumbnails.push(thumbnail);
      }
      this._thumbnails[0]?.setPdfPage(firstPdfPage);
      const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
      thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
    }).catch(reason => {
      Window["ngxConsole"].error("Unable to initialize thumbnail viewer", reason);
    });
  }
  _cancelRendering() {
    for (const thumbnail of this._thumbnails) {
      thumbnail.cancelRendering();
    }
  }
  setPageLabels(labels) {
    if (!this.pdfDocument) {
      return;
    }
    if (!labels) {
      this._pageLabels = null;
    } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
      this._pageLabels = null;
      Window["ngxConsole"].error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
    } else {
      this._pageLabels = labels;
    }
    for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
      this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
    }
  }
  async #ensurePdfPageLoaded(thumbView) {
    if (thumbView.pdfPage) {
      return thumbView.pdfPage;
    }
    try {
      const pdfPage = await this.pdfDocument.getPage(thumbView.id);
      if (!thumbView.pdfPage) {
        thumbView.setPdfPage(pdfPage);
      }
      return pdfPage;
    } catch (reason) {
      Window["ngxConsole"].error("Unable to get page for thumb view", reason);
      return null;
    }
  }
  #getScrollAhead(visible) {
    if (visible.first?.id === 1) {
      return true;
    } else if (visible.last?.id === this._thumbnails.length) {
      return false;
    }
    return this.scroll.down;
  }
  forceRendering() {
    const visibleThumbs = this._getVisibleThumbs();
    const scrollAhead = this.#getScrollAhead(visibleThumbs);
    const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead);
    if (thumbView) {
      this.#ensurePdfPageLoaded(thumbView).then(() => {
        this.renderingQueue.renderView(thumbView);
      });
      return true;
    }
    return false;
  }
}
exports.PDFThumbnailViewer = PDFThumbnailViewer;

/***/ }),
/* 30 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.TempImageFactory = exports.PDFThumbnailView = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
const DRAW_UPSCALE_FACTOR = 2;
const MAX_NUM_SCALING_STEPS = 3;
const THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
const THUMBNAIL_WIDTH = 98;
class TempImageFactory {
  static #tempCanvas = null;
  static getCanvas(width, height) {
    const tempCanvas = this.#tempCanvas ||= document.createElement("canvas");
    tempCanvas.width = width;
    tempCanvas.height = height;
    const options1 = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true,
      alpha: false
    } : {
      alpha: false
    };
    const options2 = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true
    } : undefined;
    const ctx = tempCanvas.getContext("2d", options1);
    ctx.save();
    ctx.fillStyle = "rgb(255, 255, 255)";
    ctx.fillRect(0, 0, width, height);
    ctx.restore();
    return [tempCanvas, tempCanvas.getContext("2d", options2)];
  }
  static destroyCanvas() {
    const tempCanvas = this.#tempCanvas;
    if (tempCanvas) {
      tempCanvas.width = 0;
      tempCanvas.height = 0;
    }
    this.#tempCanvas = null;
  }
}
exports.TempImageFactory = TempImageFactory;
class PDFThumbnailView {
  constructor({
    container,
    id,
    defaultViewport,
    optionalContentConfigPromise,
    linkService,
    renderingQueue,
    l10n,
    pageColors
  }) {
    this.id = id;
    this.renderingId = "thumbnail" + id;
    this.pageLabel = null;
    this.pdfPage = null;
    this.rotation = 0;
    this.viewport = defaultViewport;
    this.pdfPageRotate = defaultViewport.rotation;
    this._optionalContentConfigPromise = optionalContentConfigPromise || null;
    this.pageColors = pageColors || null;
    this.linkService = linkService;
    this.renderingQueue = renderingQueue;
    this.renderTask = null;
    this.renderingState = _ui_utils.RenderingStates.INITIAL;
    this.resume = null;
    const pageWidth = this.viewport.width,
      pageHeight = this.viewport.height,
      pageRatio = pageWidth / pageHeight;
    this.canvasWidth = THUMBNAIL_WIDTH;
    this.canvasHeight = this.canvasWidth / pageRatio | 0;
    this.scale = this.canvasWidth / pageWidth;
    this.l10n = l10n;
    if (window.pdfThumbnailGenerator) {
      window.pdfThumbnailGenerator(this, linkService, id, container, this._thumbPageTitle);
    } else {
      this.createThumbnail(this, linkService, id, container, this._thumbPageTitle);
    }
  }
  createThumbnail(pdfThumbnailView, linkService, id, container, thumbPageTitlePromise) {
    const anchor = document.createElement("a");
    anchor.href = linkService.getAnchorUrl("#page=" + id);
    thumbPageTitlePromise.then(msg => {
      anchor.title = msg;
    });
    anchor.onclick = function () {
      linkService.goToPage(id);
      return false;
    };
    pdfThumbnailView.anchor = anchor;
    const div = document.createElement("div");
    div.className = "thumbnail";
    div.setAttribute("data-page-number", this.id);
    pdfThumbnailView.div = div;
    const ring = document.createElement("div");
    ring.className = "thumbnailSelectionRing";
    const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
    ring.style.width = this.canvasWidth + borderAdjustment + "px";
    ring.style.height = this.canvasHeight + borderAdjustment + "px";
    pdfThumbnailView.ring = ring;
    div.append(ring);
    anchor.append(div);
    container.append(anchor);
  }
  setPdfPage(pdfPage) {
    this.pdfPage = pdfPage;
    this.pdfPageRotate = pdfPage.rotate;
    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
    this.viewport = pdfPage.getViewport({
      scale: 1,
      rotation: totalRotation
    });
    this.reset();
  }
  reset() {
    this.cancelRendering();
    this.renderingState = _ui_utils.RenderingStates.INITIAL;
    const pageWidth = this.viewport.width,
      pageHeight = this.viewport.height,
      pageRatio = pageWidth / pageHeight;
    this.canvasHeight = this.canvasWidth / pageRatio | 0;
    this.scale = this.canvasWidth / pageWidth;
    this.div.removeAttribute("data-loaded");
    const ring = this.ring;
    ring.textContent = "";
    const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
    ring.style.width = this.canvasWidth + borderAdjustment + "px";
    ring.style.height = this.canvasHeight + borderAdjustment + "px";
    if (this.canvas) {
      this.canvas.width = 0;
      this.canvas.height = 0;
      delete this.canvas;
    }
    if (this.image) {
      this.image.removeAttribute("src");
      delete this.image;
    }
  }
  update({
    rotation = null
  }) {
    if (typeof rotation === "number") {
      this.rotation = rotation;
    }
    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
    this.viewport = this.viewport.clone({
      scale: 1,
      rotation: totalRotation
    });
    this.reset();
  }
  cancelRendering() {
    if (this.renderTask) {
      this.renderTask.cancel();
      this.renderTask = null;
    }
    this.resume = null;
  }
  _getPageDrawContext(upscaleFactor = 1) {
    const canvas = document.createElement("canvas");
    const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true,
      alpha: false
    } : {
      alpha: false
    };
    const ctx = canvas.getContext("2d", options);
    const outputScale = new _ui_utils.OutputScale();
    canvas.width = upscaleFactor * this.canvasWidth * outputScale.sx | 0;
    canvas.height = upscaleFactor * this.canvasHeight * outputScale.sy | 0;
    const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
    return {
      ctx,
      canvas,
      transform
    };
  }
  _convertCanvasToImage(canvas) {
    if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
      throw new Error("_convertCanvasToImage: Rendering has not finished.");
    }
    const reducedCanvas = this._reduceImage(canvas);
    const image = document.createElement("img");
    image.className = "thumbnailImage";
    this._thumbPageCanvas.then(msg => {
      image.setAttribute("aria-label", msg);
    });
    image.style.width = this.canvasWidth + "px";
    image.style.height = this.canvasHeight + "px";
    image.src = reducedCanvas.toDataURL();
    this.image = image;
    this.div.setAttribute("data-loaded", true);
    this.ring.append(image);
    reducedCanvas.width = 0;
    reducedCanvas.height = 0;
  }
  draw() {
    if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
      Window['ngxConsole'].error("Must be in new state before drawing");
      return Promise.resolve();
    }
    const {
      pdfPage
    } = this;
    if (!pdfPage) {
      this.renderingState = _ui_utils.RenderingStates.FINISHED;
      return Promise.reject(new Error("pdfPage is not loaded"));
    }
    this.renderingState = _ui_utils.RenderingStates.RUNNING;
    const finishRenderTask = async (error = null) => {
      if (renderTask === this.renderTask) {
        this.renderTask = null;
      }
      if (error instanceof _pdfjsLib.RenderingCancelledException) {
        return;
      }
      this.renderingState = _ui_utils.RenderingStates.FINISHED;
      this._convertCanvasToImage(canvas);
      if (error) {
        throw error;
      }
    };
    const {
      ctx,
      canvas,
      transform
    } = this._getPageDrawContext(DRAW_UPSCALE_FACTOR);
    const drawViewport = this.viewport.clone({
      scale: DRAW_UPSCALE_FACTOR * this.scale
    });
    const renderContinueCallback = cont => {
      if (!this.renderingQueue.isHighestPriority(this)) {
        this.renderingState = _ui_utils.RenderingStates.PAUSED;
        this.resume = () => {
          this.renderingState = _ui_utils.RenderingStates.RUNNING;
          cont();
        };
        return;
      }
      cont();
    };
    const renderContext = {
      canvasContext: ctx,
      transform,
      viewport: drawViewport,
      optionalContentConfigPromise: this._optionalContentConfigPromise,
      background: PDFViewerApplicationOptions.get("pdfBackgroundColor"),
      pageColors: this.pageColors
    };
    const renderTask = this.renderTask = pdfPage.render(renderContext);
    renderTask.onContinue = renderContinueCallback;
    const resultPromise = renderTask.promise.then(function () {
      return finishRenderTask(null);
    }, function (error) {
      return finishRenderTask(error);
    });
    resultPromise.finally(() => {
      canvas.width = 0;
      canvas.height = 0;
      const pageCached = this.linkService.isPageCached(this.id);
      if (!pageCached) {
        this.pdfPage?.cleanup();
      }
    });
    return resultPromise;
  }
  setImage(pageView) {
    if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
      return;
    }
    const {
      thumbnailCanvas: canvas,
      pdfPage,
      scale
    } = pageView;
    if (!canvas) {
      return;
    }
    if (!this.pdfPage) {
      this.setPdfPage(pdfPage);
    }
    if (scale < this.scale) {
      return;
    }
    this.renderingState = _ui_utils.RenderingStates.FINISHED;
    this._convertCanvasToImage(canvas);
  }
  _reduceImage(img) {
    const {
      ctx,
      canvas
    } = this._getPageDrawContext();
    if (img.width <= 2 * canvas.width) {
      ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
      return canvas;
    }
    let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
    let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
    const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
    while (reducedWidth > img.width || reducedHeight > img.height) {
      reducedWidth >>= 1;
      reducedHeight >>= 1;
    }
    reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
    while (reducedWidth > 2 * canvas.width) {
      reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
      reducedWidth >>= 1;
      reducedHeight >>= 1;
    }
    ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
    return canvas;
  }
  get _thumbPageTitle() {
    return this.l10n.get("thumb_page_title", {
      page: this.pageLabel ?? this.id
    });
  }
  get _thumbPageCanvas() {
    return this.l10n.get("thumb_page_canvas", {
      page: this.pageLabel ?? this.id
    });
  }
  setPageLabel(label) {
    this.pageLabel = typeof label === "string" ? label : null;
    this._thumbPageTitle.then(msg => {
      this.anchor.title = msg;
    });
    if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
      return;
    }
    this._thumbPageCanvas.then(msg => {
      this.image?.setAttribute("aria-label", msg);
    });
  }
}
exports.PDFThumbnailView = PDFThumbnailView;

/***/ }),
/* 31 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PagesCountLimit = exports.PDFViewer = exports.PDFPageViewBuffer = void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
var _l10n_utils = __webpack_require__(32);
var _pageFlipModule = __webpack_require__(33);
var _pdf_page_view = __webpack_require__(34);
var _pdf_rendering_queue = __webpack_require__(25);
var _pdf_link_service = __webpack_require__(7);
const DEFAULT_CACHE_SIZE = 10;
const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
const PagesCountLimit = {
  FORCE_SCROLL_MODE_PAGE: 15000,
  FORCE_LAZY_PAGE_INIT: 7500,
  PAUSE_EAGER_PAGE_INIT: 250
};
exports.PagesCountLimit = PagesCountLimit;
function isValidAnnotationEditorMode(mode) {
  return Object.values(_pdfjsLib.AnnotationEditorType).includes(mode) && mode !== _pdfjsLib.AnnotationEditorType.DISABLE;
}
class PDFPageViewBuffer {
  #buf = new Set();
  #size = 0;
  constructor(size) {
    this.#size = size;
  }
  push(view) {
    const buf = this.#buf;
    if (buf.has(view)) {
      buf.delete(view);
    }
    buf.add(view);
    if (buf.size > this.#size) {
      this.#destroyFirstView();
    }
  }
  resize(newSize, idsToKeep = null) {
    this.#size = newSize;
    const buf = this.#buf;
    if (idsToKeep) {
      const ii = buf.size;
      let i = 1;
      for (const view of buf) {
        if (idsToKeep.has(view.id)) {
          buf.delete(view);
          buf.add(view);
        }
        if (++i > ii) {
          break;
        }
      }
    }
    while (buf.size > this.#size) {
      this.#destroyFirstView();
    }
  }
  has(view) {
    return this.#buf.has(view);
  }
  [Symbol.iterator]() {
    return this.#buf.keys();
  }
  #destroyFirstView() {
    const firstView = this.#buf.keys().next().value;
    firstView?.destroy();
    this.#buf.delete(firstView);
  }
}
exports.PDFPageViewBuffer = PDFPageViewBuffer;
class PDFViewer {
  #buffer = null;
  #annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
  #annotationEditorUIManager = null;
  #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
  #containerTopLeft = null;
  #enablePermissions = false;
  #previousContainerHeight = 0;
  #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this));
  #scrollModePageState = null;
  #onVisibilityChange = null;
  #scaleTimeoutId = null;
  constructor(options) {
    const viewerVersion = '3.4.493';
    if (_pdfjsLib.version !== viewerVersion) {
      throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`);
    }
    this.container = options.container;
    this.viewer = options.viewer || options.container.firstElementChild;
    this.pageViewMode = options.pageViewMode || "multiple";
    if (this.container?.tagName !== "DIV" || this.viewer?.tagName !== "DIV") {
      throw new Error("Invalid `container` and/or `viewer` option.");
    }
    if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
      throw new Error("The `container` must be absolutely positioned.");
    }
    this.#resizeObserver.observe(this.container);
    this.eventBus = options.eventBus;
    this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
    this.downloadManager = options.downloadManager || null;
    this.findController = options.findController || null;
    this._scriptingManager = options.scriptingManager || null;
    this.textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
    this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
    this.#annotationEditorMode = options.annotationEditorMode ?? _pdfjsLib.AnnotationEditorType.NONE;
    this.imageResourcesPath = options.imageResourcesPath || "";
    this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
    this.removePageBorders = options.removePageBorders || false;
    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
    this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true;
    this.maxCanvasPixels = options.maxCanvasPixels;
    this.l10n = options.l10n || _l10n_utils.NullL10n;
    this.#enablePermissions = options.enablePermissions || false;
    this.pageColors = options.pageColors || null;
    if (this.pageColors && !(CSS.supports("color", this.pageColors.background) && CSS.supports("color", this.pageColors.foreground))) {
      if (this.pageColors.background || this.pageColors.foreground) {
        console.warn("PDFViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used.");
      }
      this.pageColors = null;
    }
    this.defaultRenderingQueue = !options.renderingQueue;
    if (this.defaultRenderingQueue) {
      this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
      this.renderingQueue.setViewer(this);
    } else {
      this.renderingQueue = options.renderingQueue;
    }
    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
    this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
    this._onBeforeDraw = this._onAfterDraw = null;
    this._resetView();
    if (this.removePageBorders) {
      this.viewer.classList.add("removePageBorders");
    }
    this.#updateContainerHeightCss();
  }
  get pagesCount() {
    return this._pages.length;
  }
  getPageView(index) {
    return this._pages[index];
  }
  get pageViewsReady() {
    if (!this._pagesCapability.settled) {
      return false;
    }
    return this._pages.every(function (pageView) {
      return pageView?.pdfPage;
    });
  }
  get renderForms() {
    return this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS;
  }
  get enableScripting() {
    return !!this._scriptingManager;
  }
  get currentPageNumber() {
    return this._currentPageNumber;
  }
  set currentPageNumber(val) {
    if (!Number.isInteger(val)) {
      throw new Error("Invalid page number.");
    }
    if (!this.pdfDocument) {
      return;
    }
    const flip = Math.abs(this._currentPageNumber - val) < 2;
    if (!this._setCurrentPageNumber(val, true)) {
      Window["ngxConsole"].error(`currentPageNumber: "${val}" is not a valid page.`);
    }
    if (this.pageFlip) {
      if (flip) {
        Window["ngxConsole"].log("Flip");
        this.pageFlip.flip(val - 1);
      } else {
        Window["ngxConsole"].log("turn to page");
        this.pageFlip.turnToPage(val - 1);
      }
    }
  }
  hidePagesDependingOnpageViewMode() {
    if (this.pageViewMode === "book") {
      if (!this.pageFlip) {
        setTimeout(() => {
          if (!this.pageFlip) {
            const page1 = this._pages[0].div;
            const htmlParentElement = page1.parentElement;
            const viewer = htmlParentElement.parentElement;
            viewer.style.width = 2 * page1.clientWidth + "px";
            viewer.style.overflow = "hidden";
            viewer.style.marginLeft = "auto";
            viewer.style.marginRight = "auto";
            this.pageFlip = new _pageFlipModule.PageFlip(htmlParentElement, {
              width: page1.clientWidth,
              height: page1.clientHeight,
              showCover: true,
              size: "fixed"
            });
            this.pageFlip.loadFromHTML(document.querySelectorAll(".page"));
            this.ensureAdjecentPagesAreLoaded();
            this.pageFlip.on("flip", e => {
              if (this._currentPageNumber !== e.data + 1) {
                this._setCurrentPageNumber(e.data + 1, false);
              }
            });
          }
        }, 100);
      }
    }
  }
  _setCurrentPageNumber(val, resetCurrentPageView = false) {
    if (this._currentPageNumber === val) {
      if (resetCurrentPageView) {
        this.#resetCurrentPageView();
      }
      return true;
    }
    if (!(0 < val && val <= this.pagesCount)) {
      return false;
    }
    const previous = this._currentPageNumber;
    this._currentPageNumber = val;
    this.hidePagesDependingOnpageViewMode();
    if (this.pageViewMode === "book" || this.pageViewMode === "infinite-scroll") {
      const pageView = this._pages[this.currentPageNumber - 1];
      if (pageView.div.parentElement.classList.contains("spread")) {
        pageView.div.parentElement.childNodes.forEach(div => {
          const pageNumber = Number(div.getAttribute("data-page-number"));
          const pv = this._pages[pageNumber - 1];
          this.#ensurePdfPageLoaded(pv).then(() => {
            this.renderingQueue.renderView(pv);
          });
          div.style.display = "inline-block";
        });
      } else {
        this.#ensurePdfPageLoaded(pageView).then(() => {
          this.renderingQueue.renderView(pageView);
        });
        if (this.pageViewMode === "book") {
          this.ensureAdjecentPagesAreLoaded();
        }
      }
    }
    this.eventBus.dispatch("pagechanging", {
      source: this,
      pageNumber: val,
      pageLabel: this._pageLabels?.[val - 1] ?? null,
      previous
    });
    if (resetCurrentPageView) {
      this.#resetCurrentPageView();
    }
    return true;
  }
  addPageToRenderQueue(pageIndex = 0) {
    if (pageIndex >= 0 && pageIndex <= this._pages.length - 1) {
      const pageView = this._pages[pageIndex];
      const isLoading = pageView.div.querySelector(".loadingIcon");
      if (isLoading) {
        this.#ensurePdfPageLoaded(pageView).then(() => {
          this.renderingQueue.renderView(pageView);
        });
        return true;
      }
    }
    return false;
  }
  ensureAdjecentPagesAreLoaded() {
    if (!window.adjacentPagesLoader) {
      window.adjacentPagesLoader = evt => {
        Window["ngxConsole"].log("rendered", evt);
        let pageView = this._pages[Math.min(this._pages.length - 1, this.currentPageNumber)];
        if (pageView) {
          let isLoading = pageView.div.querySelector(".loadingIcon");
          if (isLoading) {
            Window["ngxConsole"].log("asking for the next page");
            this.#ensurePdfPageLoaded(pageView).then(() => {
              this.renderingQueue.renderView(pageView);
            });
          } else {
            pageView = this._pages[Math.min(this._pages.length - 1, this.currentPageNumber + 1)];
            isLoading = pageView.div.querySelector(".loadingIcon");
            if (isLoading) {
              Window["ngxConsole"].log("asking for the next + 1 page");
              this.#ensurePdfPageLoaded(pageView).then(() => {
                this.renderingQueue.renderView(pageView);
              });
            } else {
              pageView = this._pages[Math.min(this._pages.length - 1, this.currentPageNumber + 2)];
              isLoading = pageView.div.querySelector(".loadingIcon");
              if (isLoading) {
                Window["ngxConsole"].log("asking for the next + 2 page");
                this.#ensurePdfPageLoaded(pageView).then(() => {
                  this.renderingQueue.renderView(pageView);
                });
              } else {
                pageView = this._pages[Math.min(this._pages.length - 1, this.currentPageNumber + 3)];
                isLoading = pageView.div.querySelector(".loadingIcon");
                if (isLoading) {
                  Window["ngxConsole"].log("asking for the next + 3 page");
                  this.#ensurePdfPageLoaded(pageView).then(() => {
                    this.renderingQueue.renderView(pageView);
                  });
                } else {
                  pageView = this._pages[Math.max(0, this.currentPageNumber - 1)];
                  isLoading = pageView.div.querySelector(".loadingIcon");
                  if (isLoading) {
                    Window["ngxConsole"].log("asking for the current page");
                    this.#ensurePdfPageLoaded(pageView).then(() => {
                      this.renderingQueue.renderView(pageView);
                    });
                  } else {
                    pageView = this._pages[Math.max(0, this.currentPageNumber - 2)];
                    isLoading = pageView.div.querySelector(".loadingIcon");
                    if (isLoading) {
                      Window["ngxConsole"].log("asking for the previous page");
                      this.#ensurePdfPageLoaded(pageView).then(() => {
                        this.renderingQueue.renderView(pageView);
                      });
                    } else {
                      Window["ngxConsole"].log("Finished preloading the pages");
                    }
                  }
                }
              }
            }
          }
        }
      };
      this.eventBus._on("pagerendered", window.adjacentPagesLoader);
    }
    window.adjacentPagesLoader();
  }
  get currentPageLabel() {
    return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
  }
  set currentPageLabel(val) {
    if (!this.pdfDocument) {
      return;
    }
    let page = val | 0;
    if (this._pageLabels) {
      const i = this._pageLabels.indexOf(val);
      if (i >= 0) {
        page = i + 1;
      }
    }
    if (!this._setCurrentPageNumber(page, true)) {
      Window["ngxConsole"].error(`currentPageLabel: "${val}" is not a valid page.`);
    }
  }
  get currentScale() {
    return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
  }
  set currentScale(val) {
    if (isNaN(val)) {
      throw new Error("Invalid numeric scale.");
    }
    if (!this.pdfDocument) {
      return;
    }
    this._setScale(val, {
      noScroll: false
    });
  }
  get currentScaleValue() {
    return this._currentScaleValue;
  }
  set currentScaleValue(val) {
    if (!this.pdfDocument) {
      return;
    }
    this._setScale(val, {
      noScroll: false
    });
  }
  get pagesRotation() {
    return this._pagesRotation;
  }
  set pagesRotation(rotation) {
    if (!(0, _ui_utils.isValidRotation)(rotation)) {
      throw new Error("Invalid pages rotation angle.");
    }
    if (!this.pdfDocument) {
      return;
    }
    rotation %= 360;
    if (rotation < 0) {
      rotation += 360;
    }
    if (this._pagesRotation === rotation) {
      return;
    }
    this._pagesRotation = rotation;
    const pageNumber = this._currentPageNumber;
    this.refresh(true, {
      rotation
    });
    if (this._currentScaleValue) {
      this._setScale(this._currentScaleValue, {
        noScroll: true
      });
    }
    this.eventBus.dispatch("rotationchanging", {
      source: this,
      pagesRotation: rotation,
      pageNumber
    });
    if (this.defaultRenderingQueue) {
      this.update();
    }
  }
  get firstPagePromise() {
    return this.pdfDocument ? this._firstPageCapability.promise : null;
  }
  get onePageRendered() {
    return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
  }
  get pagesPromise() {
    return this.pdfDocument ? this._pagesCapability.promise : null;
  }
  #layerProperties() {
    const self = this;
    return {
      get annotationEditorUIManager() {
        return self.#annotationEditorUIManager;
      },
      get annotationStorage() {
        return self.pdfDocument?.annotationStorage;
      },
      get downloadManager() {
        return self.downloadManager;
      },
      get enableScripting() {
        return !!self._scriptingManager;
      },
      get fieldObjectsPromise() {
        return self.pdfDocument?.getFieldObjects();
      },
      get findController() {
        return self.findController;
      },
      get hasJSActionsPromise() {
        return self.pdfDocument?.hasJSActions();
      },
      get linkService() {
        return self.linkService;
      }
    };
  }
  #initializePermissions(permissions) {
    const params = {
      annotationEditorMode: this.#annotationEditorMode,
      annotationMode: this.#annotationMode,
      textLayerMode: this.textLayerMode
    };
    if (!permissions) {
      return params;
    }
    if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY)) {
      this.viewer.classList.add(ENABLE_PERMISSIONS_CLASS);
    }
    if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_CONTENTS)) {
      params.annotationEditorMode = _pdfjsLib.AnnotationEditorType.DISABLE;
    }
    if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(_pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS) {
      params.annotationMode = _pdfjsLib.AnnotationMode.ENABLE;
    }
    return params;
  }
  #onePageRenderedOrForceFetch() {
    if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) {
      return Promise.resolve();
    }
    const visibilityChangePromise = new Promise(resolve => {
      this.#onVisibilityChange = () => {
        if (document.visibilityState !== "hidden") {
          return;
        }
        resolve();
        document.removeEventListener("visibilitychange", this.#onVisibilityChange);
        this.#onVisibilityChange = null;
      };
      document.addEventListener("visibilitychange", this.#onVisibilityChange);
    });
    return Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]);
  }
  setDocument(pdfDocument) {
    if (this.pdfDocument) {
      this.eventBus.dispatch("pagesdestroy", {
        source: this
      });
      this._cancelRendering();
      this._resetView();
      this.findController?.setDocument(null);
      this._scriptingManager?.setDocument(null);
      if (this.#annotationEditorUIManager) {
        this.#annotationEditorUIManager.destroy();
        this.#annotationEditorUIManager = null;
      }
    }
    this.pdfDocument = pdfDocument;
    if (!pdfDocument) {
      return;
    }
    const pagesCount = pdfDocument.numPages;
    const firstPagePromise = pdfDocument.getPage(1);
    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
    const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve();
    if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
      console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document.");
      const mode = this._scrollMode = _ui_utils.ScrollMode.PAGE;
      this.eventBus.dispatch("scrollmodechanged", {
        source: this,
        mode
      });
    }
    this._pagesCapability.promise.then(() => {
      this.eventBus.dispatch("pagesloaded", {
        source: this,
        pagesCount
      });
    }, () => {});
    this._onBeforeDraw = evt => {
      const pageView = this._pages[evt.pageNumber - 1];
      if (!pageView) {
        return;
      }
      this.#buffer.push(pageView);
    };
    this.eventBus._on("pagerender", this._onBeforeDraw);
    this._onAfterDraw = evt => {
      if (evt.cssTransform || this._onePageRenderedCapability.settled) {
        return;
      }
      this._onePageRenderedCapability.resolve({
        timestamp: evt.timestamp
      });
      this.eventBus._off("pagerendered", this._onAfterDraw);
      this._onAfterDraw = null;
      if (this.#onVisibilityChange) {
        document.removeEventListener("visibilitychange", this.#onVisibilityChange);
        this.#onVisibilityChange = null;
      }
    };
    this.eventBus._on("pagerendered", this._onAfterDraw);
    Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => {
      if (pdfDocument !== this.pdfDocument) {
        return;
      }
      this._firstPageCapability.resolve(firstPdfPage);
      this._optionalContentConfigPromise = optionalContentConfigPromise;
      const {
        annotationEditorMode,
        annotationMode,
        textLayerMode
      } = this.#initializePermissions(permissions);
      if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) {
        const mode = annotationEditorMode;
        if (pdfDocument.isPureXfa) {
          console.warn("Warning: XFA-editing is not implemented.");
        } else if (isValidAnnotationEditorMode(mode)) {
          this.#annotationEditorUIManager = new _pdfjsLib.AnnotationEditorUIManager(this.container, this.eventBus, pdfDocument?.annotationStorage);
          if (mode !== _pdfjsLib.AnnotationEditorType.NONE) {
            this.#annotationEditorUIManager.updateMode(mode);
          }
        } else {
          console.error(`Invalid AnnotationEditor mode: ${mode}`);
        }
      }
      const layerProperties = this.#layerProperties.bind(this);
      const viewerElement = this._scrollMode === _ui_utils.ScrollMode.PAGE ? null : this.viewer;
      const scale = this.currentScale;
      const viewport = firstPdfPage.getViewport({
        scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
      });
      this.viewer.style.setProperty("--scale-factor", viewport.scale);
      for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
        const pageView = new _pdf_page_view.PDFPageView({
          container: viewerElement,
          eventBus: this.eventBus,
          id: pageNum,
          scale,
          defaultViewport: viewport.clone(),
          optionalContentConfigPromise,
          renderingQueue: this.renderingQueue,
          textLayerMode,
          annotationMode,
          imageResourcesPath: this.imageResourcesPath,
          removePageBorders: this.removePageBorders,
          renderer: this.renderer,
          useOnlyCssZoom: this.useOnlyCssZoom,
          isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
          maxCanvasPixels: this.maxCanvasPixels,
          pageColors: this.pageColors,
          l10n: this.l10n,
          layerProperties
        });
        this._pages.push(pageView);
      }
      const firstPageView = this._pages[0];
      if (firstPageView) {
        firstPageView.setPdfPage(firstPdfPage);
        this.linkService.cachePageRef(1, firstPdfPage.ref);
      }
      if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
        this.#ensurePageViewVisible();
      } else if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
        this._updateSpreadMode();
      }
      this.#onePageRenderedOrForceFetch().then(async () => {
        this.findController?.setDocument(pdfDocument);
        this._scriptingManager?.setDocument(pdfDocument);
        if (this.#annotationEditorUIManager) {
          this.eventBus.dispatch("annotationeditormodechanged", {
            source: this,
            mode: this.#annotationEditorMode
          });
        }
        if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) {
          this._pagesCapability.resolve();
          return;
        }
        let getPagesLeft = pagesCount - 1;
        if (getPagesLeft <= 0) {
          this._pagesCapability.resolve();
          return;
        }
        for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
          const promise = pdfDocument.getPage(pageNum).then(pdfPage => {
            const pageView = this._pages[pageNum - 1];
            if (!pageView.pdfPage) {
              pageView.setPdfPage(pdfPage);
            }
            this.linkService.cachePageRef(pageNum, pdfPage.ref);
            if (--getPagesLeft === 0) {
              this._pagesCapability.resolve();
            }
          }, reason => {
            console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
            if (--getPagesLeft === 0) {
              this._pagesCapability.resolve();
            }
          });
          if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
            await promise;
          }
        }
      });
      this.hidePagesDependingOnpageViewMode();
      this.eventBus.dispatch("pagesinit", {
        source: this
      });
      pdfDocument.getMetadata().then(({
        info
      }) => {
        if (pdfDocument !== this.pdfDocument) {
          return;
        }
        if (info.Language) {
          this.viewer.lang = info.Language;
        }
      });
      if (this.defaultRenderingQueue) {
        this.update();
      }
    }).catch(reason => {
      Window["ngxConsole"].error("Unable to initialize viewer", reason);
      this._pagesCapability.reject(reason);
    });
  }
  setPageLabels(labels) {
    if (!this.pdfDocument) {
      return;
    }
    if (!labels) {
      this._pageLabels = null;
    } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
      this._pageLabels = null;
      Window["ngxConsole"].error(`setPageLabels: Invalid page labels.`);
    } else {
      this._pageLabels = labels;
    }
    for (let i = 0, ii = this._pages.length; i < ii; i++) {
      this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
    }
  }
  _resetView() {
    this._pages = [];
    this._currentPageNumber = 1;
    this._currentScale = _ui_utils.UNKNOWN_SCALE;
    this._currentScaleValue = null;
    this._pageLabels = null;
    const bufferSize = Number(PDFViewerApplicationOptions.get("defaultCacheSize")) || DEFAULT_CACHE_SIZE;
    this.#buffer = new PDFPageViewBuffer(bufferSize);
    this._location = null;
    this._pagesRotation = 0;
    this._optionalContentConfigPromise = null;
    this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
    this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN;
    this._spreadMode = _ui_utils.SpreadMode.NONE;
    this.#scrollModePageState = {
      previousPageNumber: 1,
      scrollDown: true,
      pages: []
    };
    if (this._onBeforeDraw) {
      this.eventBus._off("pagerender", this._onBeforeDraw);
      this._onBeforeDraw = null;
    }
    if (this._onAfterDraw) {
      this.eventBus._off("pagerendered", this._onAfterDraw);
      this._onAfterDraw = null;
    }
    if (this.#onVisibilityChange) {
      document.removeEventListener("visibilitychange", this.#onVisibilityChange);
      this.#onVisibilityChange = null;
    }
    this.viewer.textContent = "";
    this._updateScrollMode();
    this.viewer.removeAttribute("lang");
    this.viewer.classList.remove(ENABLE_PERMISSIONS_CLASS);
  }
  #ensurePageViewVisible() {
    if (this._scrollMode !== _ui_utils.ScrollMode.PAGE) {
      throw new Error("#ensurePageViewVisible: Invalid scrollMode value.");
    }
    const pageNumber = this._currentPageNumber,
      state = this.#scrollModePageState,
      viewer = this.viewer;
    viewer.textContent = "";
    state.pages.length = 0;
    if (this._spreadMode === _ui_utils.SpreadMode.NONE && !this.isInPresentationMode) {
      const pageView = this._pages[pageNumber - 1];
      viewer.append(pageView.div);
      state.pages.push(pageView);
    } else {
      const pageIndexSet = new Set(),
        parity = this._spreadMode - 1;
      if (parity === -1) {
        pageIndexSet.add(pageNumber - 1);
      } else if (pageNumber % 2 !== parity) {
        pageIndexSet.add(pageNumber - 1);
        pageIndexSet.add(pageNumber);
      } else {
        pageIndexSet.add(pageNumber - 2);
        pageIndexSet.add(pageNumber - 1);
      }
      const spread = document.createElement("div");
      spread.className = "spread";
      if (this.isInPresentationMode) {
        const dummyPage = document.createElement("div");
        dummyPage.className = "dummyPage";
        spread.append(dummyPage);
      }
      for (const i of pageIndexSet) {
        const pageView = this._pages[i];
        if (!pageView) {
          continue;
        }
        spread.append(pageView.div);
        state.pages.push(pageView);
      }
      viewer.append(spread);
    }
    state.scrollDown = pageNumber >= state.previousPageNumber;
    state.previousPageNumber = pageNumber;
  }
  _scrollUpdate() {
    if (this.pagesCount === 0) {
      return;
    }
    this.update();
  }
  scrollPagePosIntoView(pageNumber, pageSpot) {
    const pageDiv = this._pages[pageNumber - 1].div;
    if (pageSpot) {
      const targetPageSpot = {
        ...pageSpot
      };
      if (typeof targetPageSpot.top === "string") {
        if (targetPageSpot.top.endsWith("%")) {
          const percent = Number(targetPageSpot.top.replace("%", ""));
          const viewerHeight = this.viewer.querySelector(".page")?.clientHeight;
          let height = pageDiv.clientHeight ? pageDiv.clientHeight : viewerHeight;
          const visibleWindowHeight = this.viewer.parentElement.clientHeight;
          height = Math.max(0, height - visibleWindowHeight);
          targetPageSpot.top = percent * height / 100;
        }
      }
      if (typeof targetPageSpot.left === "string") {
        if (targetPageSpot.left.endsWith("%")) {
          const percent = Number(targetPageSpot.left.replace("%", ""));
          const viewerWidth = this.viewer.querySelector(".page")?.clientWidth;
          const width = pageDiv.clientWidth ? pageDiv.clientWidth : viewerWidth;
          targetPageSpot.left = percent * width / 100;
        }
      }
      this.#scrollIntoView({
        div: pageDiv,
        id: pageNumber
      }, targetPageSpot);
    } else {
      this.#scrollIntoView({
        pageDiv,
        pageNumber
      });
    }
  }
  #scrollIntoView(pageView, pageSpot = null) {
    if (!pageView) {
      return;
    }
    const {
      div,
      id
    } = pageView;
    if (this._currentPageNumber !== id) {
      this._setCurrentPageNumber(id);
    }
    if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
      this.#ensurePageViewVisible();
      this.update();
    }
    if (!pageSpot && !this.isInPresentationMode) {
      const left = div.offsetLeft + div.clientLeft,
        right = left + div.clientWidth;
      const {
        scrollLeft,
        clientWidth
      } = this.container;
      if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
        pageSpot = {
          left: 0,
          top: 0
        };
      }
    }
    (0, _ui_utils.scrollIntoView)(div, pageSpot, false, this.pageViewMode === "infinite-scroll");
    if (!this._currentScaleValue && this._location) {
      this._location = null;
    }
  }
  #isSameScale(newScale) {
    return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15;
  }
  _setScaleUpdatePages(newScale, newValue, {
    noScroll = false,
    preset = false,
    drawingDelay = -1
  }) {
    const previousScale = isNaN(Number(this.currentScale)) ? undefined : Number(this.currentScale);
    const previousScaleValue = this.currentScaleValue;
    this._currentScaleValue = newValue.toString();
    if (this.#isSameScale(newScale)) {
      if (preset) {
        this.eventBus.dispatch("scalechanging", {
          source: this,
          scale: newScale,
          presetValue: newValue,
          previousScale,
          previousPresetValue: previousScaleValue
        });
      }
      return;
    }
    this.viewer.style.setProperty("--scale-factor", newScale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS);
    const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
    this.refresh(true, {
      scale: newScale,
      drawingDelay: postponeDrawing ? drawingDelay : -1
    });
    if (postponeDrawing) {
      this.#scaleTimeoutId = setTimeout(() => {
        this.#scaleTimeoutId = null;
        this.refresh();
      }, drawingDelay);
    }
    this._currentScale = newScale;
    if (!noScroll) {
      let page = this._currentPageNumber,
        dest;
      if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
        page = this._location.pageNumber;
        dest = [null, {
          name: "XYZ"
        }, this._location.left, this._location.top, null];
      }
      this.scrollPageIntoView({
        pageNumber: page,
        destArray: dest,
        allowNegativeOffset: true
      });
    }
    this.eventBus.dispatch("scalechanging", {
      source: this,
      scale: newScale,
      presetValue: preset ? newValue : undefined,
      previousScale,
      previousPresetValue: previousScaleValue
    });
    if (this.defaultRenderingQueue) {
      this.update();
    }
  }
  get _pageWidthScaleFactor() {
    if (this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL) {
      return 2;
    }
    return 1;
  }
  _setScale(value, options) {
    if (!value) {
      value = "auto";
    }
    let scale = parseFloat(value);
    if (this._currentScale === scale) {
      return;
    }
    if (scale > 0) {
      options.preset = false;
      this._setScaleUpdatePages(scale, value, options);
    } else {
      const currentPage = this._pages[this._currentPageNumber - 1];
      if (!currentPage) {
        return;
      }
      let hPadding = _ui_utils.SCROLLBAR_PADDING,
        vPadding = _ui_utils.VERTICAL_PADDING;
      if (this.isInPresentationMode) {
        hPadding = vPadding = 4;
        if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
          hPadding *= 2;
        }
      } else if (this.removePageBorders) {
        hPadding = vPadding = 0;
      } else if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL) {
        [hPadding, vPadding] = [vPadding, hPadding];
      }
      const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this._pageWidthScaleFactor;
      const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
      switch (value) {
        case "page-actual":
          scale = 1;
          break;
        case "page-width":
          scale = pageWidthScale;
          break;
        case "page-height":
          scale = pageHeightScale;
          break;
        case "page-fit":
          scale = Math.min(pageWidthScale, pageHeightScale);
          break;
        case "auto":
          const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
          scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
          break;
        default:
          Window["ngxConsole"].error(`_setScale: "${value}" is an unknown zoom value.`);
          return;
      }
      options.preset = true;
      this._setScaleUpdatePages(scale, value, options);
    }
  }
  #resetCurrentPageView() {
    const pageView = this._pages[this._currentPageNumber - 1];
    if (this.isInPresentationMode) {
      this._setScale(this._currentScaleValue, {
        noScroll: true
      });
    }
    this.#scrollIntoView(pageView);
  }
  pageLabelToPageNumber(label) {
    if (!this._pageLabels) {
      return null;
    }
    const i = this._pageLabels.indexOf(label);
    if (i < 0) {
      return null;
    }
    return i + 1;
  }
  scrollPageIntoView({
    pageNumber,
    destArray = null,
    allowNegativeOffset = false,
    ignoreDestinationZoom = false
  }) {
    if (!this.pdfDocument) {
      return;
    }
    const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
    if (!pageView) {
      console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`);
      return;
    }
    if (this.isInPresentationMode || !destArray) {
      this._setCurrentPageNumber(pageNumber, true);
      return;
    }
    let x = 0,
      y = 0;
    let width = 0,
      height = 0,
      widthScale,
      heightScale;
    const changeOrientation = pageView.rotation % 180 !== 0;
    const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
    const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
    let scale = 0;
    switch (destArray[1].name) {
      case "XYZ":
        x = destArray[2];
        y = destArray[3];
        scale = destArray[4];
        x = x !== null ? x : 0;
        y = y !== null ? y : pageHeight;
        break;
      case "Fit":
      case "FitB":
        scale = "page-fit";
        break;
      case "FitH":
      case "FitBH":
        y = destArray[2];
        scale = "page-width";
        if (y === null && this._location) {
          x = this._location.left;
          y = this._location.top;
        } else if (typeof y !== "number" || y < 0) {
          y = pageHeight;
        }
        break;
      case "FitV":
      case "FitBV":
        x = destArray[2];
        width = pageWidth;
        height = pageHeight;
        scale = "page-height";
        break;
      case "FitR":
        x = destArray[2];
        y = destArray[3];
        width = destArray[4] - x;
        height = destArray[5] - y;
        let hPadding = _ui_utils.SCROLLBAR_PADDING,
          vPadding = _ui_utils.VERTICAL_PADDING;
        if (this.removePageBorders) {
          hPadding = vPadding = 0;
        }
        widthScale = (this.container.clientWidth - hPadding) / width / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
        heightScale = (this.container.clientHeight - vPadding) / height / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
        scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
        break;
      default:
        console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`);
        return;
    }
    if (!ignoreDestinationZoom) {
      if (scale && scale !== this._currentScale) {
        this.currentScaleValue = scale;
      } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
        this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
      }
    }
    this.#ensurePdfPageLoaded(pageView).then(() => {
      this.renderingQueue.renderView(pageView);
      if (this.pageViewMode === "single") {
        if (this.currentPageNumber !== pageNumber) {
          this.currentPageNumber = pageNumber;
        }
      }
    });
    if (scale === "page-fit" && !destArray[4]) {
      this.#scrollIntoView(pageView);
      return;
    }
    const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
    let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
    let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
    if (!allowNegativeOffset) {
      left = Math.max(left, 0);
      top = Math.max(top, 0);
    }
    this.#scrollIntoView(pageView, {
      left,
      top
    });
  }
  _updateLocation(firstPage) {
    const currentScale = this._currentScale;
    const currentScaleValue = this._currentScaleValue;
    const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
    const pageNumber = firstPage.id;
    const currentPageView = this._pages[pageNumber - 1];
    const container = this.container;
    const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
    const intLeft = Math.round(topLeft[0]);
    const intTop = Math.round(topLeft[1]);
    let pdfOpenParams = `#page=${pageNumber}`;
    if (!this.isInPresentationMode) {
      pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
    }
    this._location = {
      pageNumber,
      scale: normalizedScaleValue,
      top: intTop,
      left: intLeft,
      rotation: this._pagesRotation,
      pdfOpenParams
    };
  }
  update() {
    if (this.scrollMode === _ui_utils.ScrollMode.PAGE) {
      this.viewer.classList.add("singlePageView");
    } else {
      this.viewer.classList.remove("singlePageView");
    }
    const visible = this._getVisiblePages();
    const visiblePages = visible.views,
      numVisiblePages = visiblePages.length;
    if (numVisiblePages === 0) {
      return;
    }
    const bufferSize = Number(PDFViewerApplicationOptions.get("defaultCacheSize")) || DEFAULT_CACHE_SIZE;
    const newCacheSize = Math.max(bufferSize, 2 * numVisiblePages + 1);
    this.#buffer.resize(newCacheSize, visible.ids);
    this.renderingQueue.renderHighestPriority(visible);
    const isSimpleLayout = this._spreadMode === _ui_utils.SpreadMode.NONE && (this._scrollMode === _ui_utils.ScrollMode.PAGE || this._scrollMode === _ui_utils.ScrollMode.VERTICAL);
    const currentId = this._currentPageNumber;
    let stillFullyVisible = false;
    for (const page of visiblePages) {
      if (page.percent < 100) {
        break;
      }
      if (page.id === currentId && isSimpleLayout) {
        stillFullyVisible = true;
        break;
      }
    }
    this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id);
    this._updateLocation(visible.first);
    this.eventBus.dispatch("updateviewarea", {
      source: this,
      location: this._location
    });
    this.hidePagesDependingOnpageViewMode();
  }
  containsElement(element) {
    return this.container.contains(element);
  }
  focus() {
    this.container.focus();
  }
  get _isContainerRtl() {
    return getComputedStyle(this.container).direction === "rtl";
  }
  get isInPresentationMode() {
    return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
  }
  get isChangingPresentationMode() {
    return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
  }
  get isHorizontalScrollbarEnabled() {
    return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
  }
  get isVerticalScrollbarEnabled() {
    return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
  }
  _getVisiblePages() {
    const views = this._scrollMode === _ui_utils.ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages,
      horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL,
      rtl = horizontal && this._isContainerRtl;
    return (0, _ui_utils.getVisibleElements)({
      scrollEl: this.container,
      views,
      sortByVisibility: true,
      horizontal,
      rtl
    });
  }
  isPageVisible(pageNumber) {
    if (!this.pdfDocument) {
      return false;
    }
    if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
      console.error(`isPageVisible: "${pageNumber}" is not a valid page.`);
      return false;
    }
    return this._getVisiblePages().ids.has(pageNumber);
  }
  isPageCached(pageNumber) {
    if (!this.pdfDocument) {
      return false;
    }
    if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
      console.error(`isPageCached: "${pageNumber}" is not a valid page.`);
      return false;
    }
    const pageView = this._pages[pageNumber - 1];
    return this.#buffer.has(pageView);
  }
  cleanup() {
    for (const pageView of this._pages) {
      if (pageView.renderingState !== _ui_utils.RenderingStates.FINISHED) {
        pageView.reset();
      }
    }
  }
  _cancelRendering() {
    for (const pageView of this._pages) {
      pageView.cancelRendering();
    }
  }
  async #ensurePdfPageLoaded(pageView) {
    if (pageView.pdfPage) {
      return pageView.pdfPage;
    }
    try {
      const pdfPage = await this.pdfDocument.getPage(pageView.id);
      if (!pageView.pdfPage) {
        pageView.setPdfPage(pdfPage);
      }
      if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) {
        this.linkService.cachePageRef(pageView.id, pdfPage.ref);
      }
      return pdfPage;
    } catch (reason) {
      console.error("Unable to get page for page view", reason);
      return null;
    }
  }
  #getScrollAhead(visible) {
    if (visible.first?.id === 1) {
      return true;
    } else if (visible.last?.id === this.pagesCount) {
      return false;
    }
    switch (this._scrollMode) {
      case _ui_utils.ScrollMode.PAGE:
        return this.#scrollModePageState.scrollDown;
      case _ui_utils.ScrollMode.HORIZONTAL:
        return this.scroll.right;
    }
    return this.scroll.down;
  }
  forceRendering(currentlyVisiblePages) {
    const visiblePages = currentlyVisiblePages || this._getVisiblePages();
    const scrollAhead = this.#getScrollAhead(visiblePages);
    const preRenderExtra = this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL;
    const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra);
    if (pageView) {
      this.#ensurePdfPageLoaded(pageView).then(() => {
        this.renderingQueue.renderView(pageView);
      });
      return true;
    }
    return false;
  }
  get hasEqualPageSizes() {
    const firstPageView = this._pages[0];
    for (let i = 1, ii = this._pages.length; i < ii; ++i) {
      const pageView = this._pages[i];
      if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
        return false;
      }
    }
    return true;
  }
  getPagesOverview() {
    return this._pages.map(pageView => {
      const viewport = pageView.pdfPage.getViewport({
        scale: 1
      });
      if (!this.enablePrintAutoRotate || (0, _ui_utils.isPortraitOrientation)(viewport)) {
        return {
          width: viewport.width,
          height: viewport.height,
          rotation: viewport.rotation
        };
      }
      return {
        width: viewport.height,
        height: viewport.width,
        rotation: (viewport.rotation - 90) % 360
      };
    });
  }
  get optionalContentConfigPromise() {
    if (!this.pdfDocument) {
      return Promise.resolve(null);
    }
    if (!this._optionalContentConfigPromise) {
      console.error("optionalContentConfigPromise: Not initialized yet.");
      return this.pdfDocument.getOptionalContentConfig();
    }
    return this._optionalContentConfigPromise;
  }
  set optionalContentConfigPromise(promise) {
    if (!(promise instanceof Promise)) {
      throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
    }
    if (!this.pdfDocument) {
      return;
    }
    if (!this._optionalContentConfigPromise) {
      return;
    }
    this._optionalContentConfigPromise = promise;
    this.refresh(false, {
      optionalContentConfigPromise: promise
    });
    this.eventBus.dispatch("optionalcontentconfigchanged", {
      source: this,
      promise
    });
  }
  get scrollMode() {
    return this._scrollMode;
  }
  set scrollMode(mode) {
    if (this._scrollMode === mode) {
      return;
    }
    if (!(0, _ui_utils.isValidScrollMode)(mode)) {
      throw new Error(`Invalid scroll mode: ${mode}`);
    }
    if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
      return;
    }
    this._previousScrollMode = this._scrollMode;
    this._scrollMode = mode;
    this.eventBus.dispatch("scrollmodechanged", {
      source: this,
      mode
    });
    this._updateScrollMode(this._currentPageNumber);
  }
  _updateScrollMode(pageNumber = null) {
    const scrollMode = this._scrollMode,
      viewer = this.viewer;
    viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
    viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
    if (!this.pdfDocument || !pageNumber) {
      return;
    }
    if (scrollMode === _ui_utils.ScrollMode.PAGE) {
      this.#ensurePageViewVisible();
    } else if (this._previousScrollMode === _ui_utils.ScrollMode.PAGE) {
      this._updateSpreadMode();
    }
    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
      this._setScale(this._currentScaleValue, {
        noScroll: true
      });
    }
    this._setCurrentPageNumber(pageNumber, true);
    this.update();
  }
  get spreadMode() {
    return this._spreadMode;
  }
  set spreadMode(mode) {
    if (this._spreadMode === mode) {
      return;
    }
    if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
      throw new Error(`Invalid spread mode: ${mode}`);
    }
    this._spreadMode = mode;
    this.eventBus.dispatch("spreadmodechanged", {
      source: this,
      mode
    });
    this._updateSpreadMode(this._currentPageNumber);
  }
  _updateSpreadMode(pageNumber = null) {
    if (!this.pdfDocument) {
      return;
    }
    const viewer = this.viewer,
      pages = this._pages;
    if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
      this.#ensurePageViewVisible();
    } else {
      viewer.textContent = "";
      if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
        for (const pageView of this._pages) {
          viewer.append(pageView.div);
        }
      } else {
        const parity = this._spreadMode - 1;
        let spread = null;
        for (let i = 0, ii = pages.length; i < ii; ++i) {
          if (spread === null) {
            spread = document.createElement("div");
            spread.className = "spread";
            viewer.append(spread);
          } else if (i % 2 === parity) {
            spread = spread.cloneNode(false);
            viewer.append(spread);
          }
          spread.append(pages[i].div);
        }
      }
    }
    this.hidePagesDependingOnpageViewMode();
    if (!pageNumber) {
      return;
    }
    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
      this._setScale(this._currentScaleValue, {
        noScroll: true
      });
    }
    this._setCurrentPageNumber(pageNumber, true);
    this.update();
  }
  _getPageAdvance(currentPageNumber, previous = false) {
    switch (this._scrollMode) {
      case _ui_utils.ScrollMode.WRAPPED:
        {
          const {
              views
            } = this._getVisiblePages(),
            pageLayout = new Map();
          for (const {
            id,
            y,
            percent,
            widthPercent
          } of views) {
            if (percent === 0 || widthPercent < 100) {
              continue;
            }
            let yArray = pageLayout.get(y);
            if (!yArray) {
              pageLayout.set(y, yArray ||= []);
            }
            yArray.push(id);
          }
          for (const yArray of pageLayout.values()) {
            const currentIndex = yArray.indexOf(currentPageNumber);
            if (currentIndex === -1) {
              continue;
            }
            const numPages = yArray.length;
            if (numPages === 1) {
              break;
            }
            if (previous) {
              for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
                const currentId = yArray[i],
                  expectedId = yArray[i + 1] - 1;
                if (currentId < expectedId) {
                  return currentPageNumber - expectedId;
                }
              }
            } else {
              for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
                const currentId = yArray[i],
                  expectedId = yArray[i - 1] + 1;
                if (currentId > expectedId) {
                  return expectedId - currentPageNumber;
                }
              }
            }
            if (previous) {
              const firstId = yArray[0];
              if (firstId < currentPageNumber) {
                return currentPageNumber - firstId + 1;
              }
            } else {
              const lastId = yArray[numPages - 1];
              if (lastId > currentPageNumber) {
                return lastId - currentPageNumber + 1;
              }
            }
            break;
          }
          break;
        }
      case _ui_utils.ScrollMode.HORIZONTAL:
        {
          break;
        }
      case _ui_utils.ScrollMode.PAGE:
      case _ui_utils.ScrollMode.VERTICAL:
        {
          if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
            break;
          }
          const parity = this._spreadMode - 1;
          if (previous && currentPageNumber % 2 !== parity) {
            break;
          } else if (!previous && currentPageNumber % 2 === parity) {
            break;
          }
          const {
              views
            } = this._getVisiblePages(),
            expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;
          for (const {
            id,
            percent,
            widthPercent
          } of views) {
            if (id !== expectedId) {
              continue;
            }
            if (percent > 0 && widthPercent === 100) {
              return 2;
            }
            break;
          }
          break;
        }
    }
    return 1;
  }
  nextPage() {
    const currentPageNumber = this._currentPageNumber,
      pagesCount = this.pagesCount;
    if (currentPageNumber >= pagesCount) {
      return false;
    }
    const advance = this._getPageAdvance(currentPageNumber, false) || 1;
    this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
    return true;
  }
  previousPage() {
    const currentPageNumber = this._currentPageNumber;
    if (currentPageNumber <= 1) {
      return false;
    }
    const advance = this._getPageAdvance(currentPageNumber, true) || 1;
    this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
    return true;
  }
  increaseScale(options = null) {
    if (typeof options === "number") {
      console.error("The `increaseScale` method-signature was updated, please use an object instead.");
      options = {
        steps: options
      };
    }
    if (!this.pdfDocument) {
      return;
    }
    options ||= Object.create(null);
    let newScale = this._currentScale;
    let maxScale = Number(PDFViewerApplicationOptions.get("maxZoom"));
    if (!maxScale) {
      maxScale = _ui_utils.MAX_SCALE;
    }
    if (options.scaleFactor > 1) {
      newScale = Math.min(maxScale, Math.round(newScale * options.scaleFactor * 100) / 100);
    } else {
      let steps = options.steps ?? 1;
      do {
        newScale = (newScale * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
        newScale = Math.ceil(newScale * 10) / 10;
        newScale = Math.min(maxScale, newScale);
      } while (--steps > 0 && newScale < maxScale);
    }
    options.noScroll = false;
    this._setScale(newScale, options);
  }
  decreaseScale(options = null) {
    if (typeof options === "number") {
      console.error("The `decreaseScale` method-signature was updated, please use an object instead.");
      options = {
        steps: options
      };
    }
    if (!this.pdfDocument) {
      return;
    }
    options ||= Object.create(null);
    let newScale = this._currentScale;
    let minScale = Number(PDFViewerApplicationOptions.get("minZoom"));
    if (!minScale) {
      minScale = _ui_utils.MIN_SCALE;
    }
    if (options.scaleFactor > 0 && options.scaleFactor < 1) {
      newScale = Math.max(minScale, Math.round(newScale * options.scaleFactor * 100) / 100);
    } else {
      let steps = options.steps ?? 1;
      do {
        newScale = (newScale / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
        newScale = Math.floor(newScale * 10) / 10;
        newScale = Math.max(minScale, newScale);
      } while (--steps > 0 && newScale > minScale);
    }
    options.noScroll = false;
    this._setScale(newScale, options);
  }
  #updateContainerHeightCss(height = this.container.clientHeight) {
    if (height !== this.#previousContainerHeight) {
      this.#previousContainerHeight = height;
      _ui_utils.docStyle.setProperty("--viewer-container-height", `${height}px`);
    }
  }
  #resizeObserverCallback(entries) {
    for (const entry of entries) {
      if (entry.target === this.container) {
        this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize));
        this.#containerTopLeft = null;
        break;
      }
    }
  }
  get containerTopLeft() {
    return this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft];
  }
  get annotationEditorMode() {
    return this.#annotationEditorUIManager ? this.#annotationEditorMode : _pdfjsLib.AnnotationEditorType.DISABLE;
  }
  set annotationEditorMode(mode) {
    if (!this.#annotationEditorUIManager) {
      throw new Error(`The AnnotationEditor is not enabled.`);
    }
    if (this.#annotationEditorMode === mode) {
      return;
    }
    if (!isValidAnnotationEditorMode(mode)) {
      throw new Error(`Invalid AnnotationEditor mode: ${mode}`);
    }
    if (!this.pdfDocument) {
      return;
    }
    this.#annotationEditorMode = mode;
    this.eventBus.dispatch("annotationeditormodechanged", {
      source: this,
      mode
    });
    this.#annotationEditorUIManager.updateMode(mode);
  }
  set annotationEditorParams({
    type,
    value
  }) {
    if (!this.#annotationEditorUIManager) {
      throw new Error(`The AnnotationEditor is not enabled.`);
    }
    this.#annotationEditorUIManager.updateParams(type, value);
  }
  refresh(noUpdate = false, updateArgs = Object.create(null)) {
    if (!this.pdfDocument) {
      return;
    }
    for (const pageView of this._pages) {
      pageView.update(updateArgs);
    }
    if (this.#scaleTimeoutId !== null) {
      clearTimeout(this.#scaleTimeoutId);
      this.#scaleTimeoutId = null;
    }
    if (!noUpdate) {
      this.update();
    }
  }
}
exports.PDFViewer = PDFViewer;

/***/ }),
/* 32 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.NullL10n = void 0;
exports.fixupLangCode = fixupLangCode;
exports.getL10nFallback = getL10nFallback;
const DEFAULT_L10N_STRINGS = {
  of_pages: "of {{pagesCount}}",
  page_of_pages: "({{pageNumber}} of {{pagesCount}})",
  document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)",
  document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)",
  document_properties_date_string: "{{date}}, {{time}}",
  document_properties_page_size_unit_inches: "in",
  document_properties_page_size_unit_millimeters: "mm",
  document_properties_page_size_orientation_portrait: "portrait",
  document_properties_page_size_orientation_landscape: "landscape",
  document_properties_page_size_name_a3: "A3",
  document_properties_page_size_name_a4: "A4",
  document_properties_page_size_name_letter: "Letter",
  document_properties_page_size_name_legal: "Legal",
  document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})",
  document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})",
  document_properties_linearized_yes: "Yes",
  document_properties_linearized_no: "No",
  additional_layers: "Additional Layers",
  page_landmark: "Page {{page}}",
  thumb_page_title: "Page {{page}}",
  thumb_page_canvas: "Thumbnail of Page {{page}}",
  find_reached_top: "Reached top of document, continued from bottom",
  find_reached_bottom: "Reached end of document, continued from top",
  "find_match_count[one]": "{{current}} of {{total}} match",
  "find_match_count[other]": "{{current}} of {{total}} matches",
  "find_match_count_limit[one]": "More than {{limit}} match",
  "find_match_count_limit[other]": "More than {{limit}} matches",
  find_not_found: "Phrase not found",
  page_scale_width: "Page Width",
  page_scale_fit: "Page Fit",
  page_scale_auto: "Automatic Zoom",
  page_scale_actual: "Actual Size",
  page_scale_percent: "{{scale}}%",
  loading_error: "An error occurred while loading the PDF.",
  invalid_file_error: "Invalid or corrupted PDF file.",
  missing_file_error: "Missing PDF file.",
  unexpected_response_error: "Unexpected server response.",
  rendering_error: "An error occurred while rendering the page.",
  printing_not_supported: "Warning: Printing is not fully supported by this browser.",
  printing_not_ready: "Warning: The PDF is not fully loaded for printing.",
  web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts.",
  free_text2_default_content: "Start typing…",
  editor_free_text2_aria_label: "Text Editor",
  editor_ink2_aria_label: "Draw Editor",
  editor_ink_canvas_aria_label: "User-created image"
};
{
  DEFAULT_L10N_STRINGS.print_progress_percent = "{{progress}}%";
}
function getL10nFallback(key, args) {
  switch (key) {
    case "find_match_count":
      key = `find_match_count[${args.total === 1 ? "one" : "other"}]`;
      break;
    case "find_match_count_limit":
      key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"}]`;
      break;
  }
  return DEFAULT_L10N_STRINGS[key] || "";
}
const PARTIAL_LANG_CODES = {
  en: "en-US",
  es: "es-ES",
  fy: "fy-NL",
  ga: "ga-IE",
  gu: "gu-IN",
  hi: "hi-IN",
  hy: "hy-AM",
  nb: "nb-NO",
  ne: "ne-NP",
  nn: "nn-NO",
  pa: "pa-IN",
  pt: "pt-PT",
  sv: "sv-SE",
  zh: "zh-CN"
};
function fixupLangCode(langCode) {
  return PARTIAL_LANG_CODES[langCode?.toLowerCase()] || langCode;
}
function formatL10nValue(text, args) {
  if (!args) {
    return text;
  }
  return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
    return name in args ? args[name] : "{{" + name + "}}";
  });
}
const NullL10n = {
  async getLanguage() {
    return "en-us";
  },
  async getDirection() {
    return "ltr";
  },
  async get(key, args = null, fallback = getL10nFallback(key, args)) {
    return formatL10nValue(fallback, args);
  },
  async translate(element) {}
};
exports.NullL10n = NullL10n;

/***/ }),
/* 33 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PageFlip = void 0;
class Page {
  constructor(render, density) {
    this.state = {
      angle: 0,
      area: [],
      position: {
        x: 0,
        y: 0
      },
      hardAngle: 0,
      hardDrawingAngle: 0
    };
    this.createdDensity = density;
    this.nowDrawingDensity = this.createdDensity;
    this.render = render;
  }
  setDensity(density) {
    this.createdDensity = density;
    this.nowDrawingDensity = density;
  }
  setDrawingDensity(density) {
    this.nowDrawingDensity = density;
  }
  setPosition(pagePos) {
    this.state.position = pagePos;
  }
  setAngle(angle) {
    this.state.angle = angle;
  }
  setArea(area) {
    this.state.area = area;
  }
  setHardDrawingAngle(angle) {
    this.state.hardDrawingAngle = angle;
  }
  setHardAngle(angle) {
    this.state.hardAngle = angle;
    this.state.hardDrawingAngle = angle;
  }
  setOrientation(orientation) {
    this.orientation = orientation;
  }
  getDrawingDensity() {
    return this.nowDrawingDensity;
  }
  getDensity() {
    return this.createdDensity;
  }
  getHardAngle() {
    return this.state.hardAngle;
  }
}
class ImagePage extends Page {
  constructor(render, href, density) {
    super(render, density);
    this.image = null;
    this.isLoad = false;
    this.loadingAngle = 0;
    this.image = new Image();
    this.image.src = href;
  }
  draw(tempDensity) {
    const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true
    } : undefined;
    const ctx = canvas.getContext("2d", options);
    const pagePos = this.render.convertToGlobal(this.state.position);
    const pageWidth = this.render.getRect().pageWidth;
    const pageHeight = this.render.getRect().height;
    ctx.save();
    ctx.translate(pagePos.x, pagePos.y);
    ctx.beginPath();
    for (let p of this.state.area) {
      if (p !== null) {
        p = this.render.convertToGlobal(p);
        ctx.lineTo(p.x - pagePos.x, p.y - pagePos.y);
      }
    }
    ctx.rotate(this.state.angle);
    ctx.clip();
    if (!this.isLoad) {
      this.drawLoader(ctx, {
        x: 0,
        y: 0
      }, pageWidth, pageHeight);
    } else {
      ctx.drawImage(this.image, 0, 0, pageWidth, pageHeight);
    }
    ctx.restore();
  }
  simpleDraw(orient) {
    const rect = this.render.getRect();
    const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true
    } : undefined;
    const ctx = canvas.getContext("2d", options);
    const pageWidth = rect.pageWidth;
    const pageHeight = rect.height;
    const x = orient === 1 ? rect.left + rect.pageWidth : rect.left;
    const y = rect.top;
    if (!this.isLoad) {
      this.drawLoader(ctx, {
        x,
        y
      }, pageWidth, pageHeight);
    } else {
      ctx.drawImage(this.image, x, y, pageWidth, pageHeight);
    }
  }
  drawLoader(ctx, shiftPos, pageWidth, pageHeight) {
    ctx.beginPath();
    ctx.strokeStyle = 'rgb(200, 200, 200)';
    ctx.fillStyle = 'rgb(255, 255, 255)';
    ctx.lineWidth = 1;
    ctx.rect(shiftPos.x + 1, shiftPos.y + 1, pageWidth - 1, pageHeight - 1);
    ctx.stroke();
    ctx.fill();
    const middlePoint = {
      x: shiftPos.x + pageWidth / 2,
      y: shiftPos.y + pageHeight / 2
    };
    ctx.beginPath();
    ctx.lineWidth = 10;
    ctx.arc(middlePoint.x, middlePoint.y, 20, this.loadingAngle, 3 * Math.PI / 2 + this.loadingAngle);
    ctx.stroke();
    ctx.closePath();
    this.loadingAngle += 0.07;
    if (this.loadingAngle >= 2 * Math.PI) {
      this.loadingAngle = 0;
    }
  }
  load() {
    if (!this.isLoad) this.image.onload = () => {
      this.isLoad = true;
    };
  }
  newTemporaryCopy() {
    return this;
  }
  getTemporaryCopy() {
    return this;
  }
  hideTemporaryCopy() {}
}
class PageCollection {
  constructor(app, render) {
    this.pages = [];
    this.currentPageIndex = 0;
    this.currentSpreadIndex = 0;
    this.landscapeSpread = [];
    this.portraitSpread = [];
    this.render = render;
    this.app = app;
    this.currentPageIndex = 0;
    this.isShowCover = this.app.getSettings().showCover;
  }
  destroy() {
    this.pages = [];
  }
  createSpread() {
    this.landscapeSpread = [];
    this.portraitSpread = [];
    for (let i = 0; i < this.pages.length; i++) {
      this.portraitSpread.push([i]);
    }
    let start = 0;
    if (this.isShowCover) {
      this.pages[0].setDensity("hard");
      this.landscapeSpread.push([start]);
      start++;
    }
    for (let i = start; i < this.pages.length; i += 2) {
      if (i < this.pages.length - 1) this.landscapeSpread.push([i, i + 1]);else {
        this.landscapeSpread.push([i]);
        this.pages[i].setDensity("hard");
      }
    }
  }
  getSpread() {
    return this.render.getOrientation() === "landscape" ? this.landscapeSpread : this.portraitSpread;
  }
  getSpreadIndexByPage(pageNum) {
    const spread = this.getSpread();
    for (let i = 0; i < spread.length; i++) if (pageNum === spread[i][0] || pageNum === spread[i][1]) return i;
    return null;
  }
  getPageCount() {
    return this.pages.length;
  }
  getPages() {
    return this.pages;
  }
  getPage(pageIndex) {
    if (pageIndex >= 0 && pageIndex < this.pages.length) {
      return this.pages[pageIndex];
    }
    throw new Error('Invalid page number');
  }
  nextBy(current) {
    const idx = this.pages.indexOf(current);
    if (idx < this.pages.length - 1) return this.pages[idx + 1];
    return null;
  }
  prevBy(current) {
    const idx = this.pages.indexOf(current);
    if (idx > 0) return this.pages[idx - 1];
    return null;
  }
  getFlippingPage(direction) {
    const current = this.currentSpreadIndex;
    if (this.render.getOrientation() === "portrait") {
      return direction === 0 ? this.pages[current].newTemporaryCopy() : this.pages[current - 1];
    } else {
      const spread = direction === 0 ? this.getSpread()[current + 1] : this.getSpread()[current - 1];
      if (spread.length === 1) return this.pages[spread[0]];
      return direction === 0 ? this.pages[spread[0]] : this.pages[spread[1]];
    }
  }
  getBottomPage(direction) {
    const current = this.currentSpreadIndex;
    if (this.render.getOrientation() === "portrait") {
      return direction === 0 ? this.pages[current + 1] : this.pages[current - 1];
    } else {
      const spread = direction === 0 ? this.getSpread()[current + 1] : this.getSpread()[current - 1];
      if (spread.length === 1) return this.pages[spread[0]];
      return direction === 0 ? this.pages[spread[1]] : this.pages[spread[0]];
    }
  }
  showNext() {
    if (this.currentSpreadIndex < this.getSpread().length) {
      this.currentSpreadIndex++;
      this.showSpread();
    }
  }
  showPrev() {
    if (this.currentSpreadIndex > 0) {
      this.currentSpreadIndex--;
      this.showSpread();
    }
  }
  getCurrentPageIndex() {
    return this.currentPageIndex;
  }
  show(pageNum = null) {
    if (pageNum === null) pageNum = this.currentPageIndex;
    if (pageNum < 0 || pageNum >= this.pages.length) return;
    const spreadIndex = this.getSpreadIndexByPage(pageNum);
    if (spreadIndex !== null) {
      this.currentSpreadIndex = spreadIndex;
      this.showSpread();
    }
  }
  getCurrentSpreadIndex() {
    return this.currentSpreadIndex;
  }
  setCurrentSpreadIndex(newIndex) {
    if (newIndex >= 0 && newIndex < this.getSpread().length) {
      this.currentSpreadIndex = newIndex;
    } else {
      throw new Error('Invalid page');
    }
  }
  showSpread() {
    const spread = this.getSpread()[this.currentSpreadIndex];
    if (spread.length === 2) {
      this.render.setLeftPage(this.pages[spread[0]]);
      this.render.setRightPage(this.pages[spread[1]]);
    } else {
      if (this.render.getOrientation() === "landscape") {
        if (spread[0] === this.pages.length - 1) {
          this.render.setLeftPage(this.pages[spread[0]]);
          this.render.setRightPage(null);
        } else {
          this.render.setLeftPage(null);
          this.render.setRightPage(this.pages[spread[0]]);
        }
      } else {
        this.render.setLeftPage(null);
        this.render.setRightPage(this.pages[spread[0]]);
      }
    }
    this.currentPageIndex = spread[0];
    this.app.updatePageIndex(this.currentPageIndex);
  }
}
class ImagePageCollection extends PageCollection {
  constructor(app, render, imagesHref) {
    super(app, render);
    this.imagesHref = imagesHref;
  }
  load() {
    for (const href of this.imagesHref) {
      const page = new ImagePage(this.render, href, "soft");
      page.load();
      this.pages.push(page);
    }
    this.createSpread();
  }
}
class Helper {
  static GetDistanceBetweenTwoPoint(point1, point2) {
    if (point1 === null || point2 === null) {
      return Infinity;
    }
    return Math.sqrt(Math.pow(point2.x - point1.x, 2) + Math.pow(point2.y - point1.y, 2));
  }
  static GetSegmentLength(segment) {
    return Helper.GetDistanceBetweenTwoPoint(segment[0], segment[1]);
  }
  static GetAngleBetweenTwoLine(line1, line2) {
    const A1 = line1[0].y - line1[1].y;
    const A2 = line2[0].y - line2[1].y;
    const B1 = line1[1].x - line1[0].x;
    const B2 = line2[1].x - line2[0].x;
    return Math.acos((A1 * A2 + B1 * B2) / (Math.sqrt(A1 * A1 + B1 * B1) * Math.sqrt(A2 * A2 + B2 * B2)));
  }
  static PointInRect(rect, pos) {
    if (pos === null) {
      return null;
    }
    if (pos.x >= rect.left && pos.x <= rect.width + rect.left && pos.y >= rect.top && pos.y <= rect.top + rect.height) {
      return pos;
    }
    return null;
  }
  static GetRotatedPoint(transformedPoint, startPoint, angle) {
    return {
      x: transformedPoint.x * Math.cos(angle) + transformedPoint.y * Math.sin(angle) + startPoint.x,
      y: transformedPoint.y * Math.cos(angle) - transformedPoint.x * Math.sin(angle) + startPoint.y
    };
  }
  static LimitPointToCircle(startPoint, radius, limitedPoint) {
    if (Helper.GetDistanceBetweenTwoPoint(startPoint, limitedPoint) <= radius) {
      return limitedPoint;
    }
    const a = startPoint.x;
    const b = startPoint.y;
    const n = limitedPoint.x;
    const m = limitedPoint.y;
    let x = Math.sqrt(Math.pow(radius, 2) * Math.pow(a - n, 2) / (Math.pow(a - n, 2) + Math.pow(b - m, 2))) + a;
    if (limitedPoint.x < 0) {
      x *= -1;
    }
    let y = (x - a) * (b - m) / (a - n) + b;
    if (a - n + b === 0) {
      y = radius;
    }
    return {
      x,
      y
    };
  }
  static GetIntersectBetweenTwoSegment(rectBorder, one, two) {
    return Helper.PointInRect(rectBorder, Helper.GetIntersectBeetwenTwoLine(one, two));
  }
  static GetIntersectBeetwenTwoLine(one, two) {
    const A1 = one[0].y - one[1].y;
    const A2 = two[0].y - two[1].y;
    const B1 = one[1].x - one[0].x;
    const B2 = two[1].x - two[0].x;
    const C1 = one[0].x * one[1].y - one[1].x * one[0].y;
    const C2 = two[0].x * two[1].y - two[1].x * two[0].y;
    const det1 = A1 * C2 - A2 * C1;
    const det2 = B1 * C2 - B2 * C1;
    const x = -((C1 * B2 - C2 * B1) / (A1 * B2 - A2 * B1));
    const y = -((A1 * C2 - A2 * C1) / (A1 * B2 - A2 * B1));
    if (isFinite(x) && isFinite(y)) {
      return {
        x,
        y
      };
    } else {
      if (Math.abs(det1 - det2) < 0.1) throw new Error('Segment included');
    }
    return null;
  }
  static GetCordsFromTwoPoint(pointOne, pointTwo) {
    const sizeX = Math.abs(pointOne.x - pointTwo.x);
    const sizeY = Math.abs(pointOne.y - pointTwo.y);
    const lengthLine = Math.max(sizeX, sizeY);
    const result = [pointOne];
    function getCord(c1, c2, size, length, index) {
      if (c2 > c1) {
        return c1 + index * (size / length);
      } else if (c2 < c1) {
        return c1 - index * (size / length);
      }
      return c1;
    }
    for (let i = 1; i <= lengthLine; i += 1) {
      result.push({
        x: getCord(pointOne.x, pointTwo.x, sizeX, lengthLine, i),
        y: getCord(pointOne.y, pointTwo.y, sizeY, lengthLine, i)
      });
    }
    return result;
  }
}
class HTMLPage extends Page {
  constructor(render, element, density) {
    super(render, density);
    this.copiedElement = null;
    this.temporaryCopy = null;
    this.isLoad = false;
    this.element = element;
    this.element.classList.add('stf__item');
    this.element.classList.add('--' + density);
  }
  newTemporaryCopy() {
    if (this.nowDrawingDensity === "hard") {
      return this;
    }
    if (this.temporaryCopy === null) {
      this.copiedElement = this.element.cloneNode(true);
      this.element.parentElement.appendChild(this.copiedElement);
      this.temporaryCopy = new HTMLPage(this.render, this.copiedElement, this.nowDrawingDensity);
    }
    return this.getTemporaryCopy();
  }
  getTemporaryCopy() {
    return this.temporaryCopy;
  }
  hideTemporaryCopy() {
    if (this.temporaryCopy !== null) {
      this.copiedElement.remove();
      this.copiedElement = null;
      this.temporaryCopy = null;
    }
  }
  draw(tempDensity) {
    const density = tempDensity ? tempDensity : this.nowDrawingDensity;
    const pagePos = this.render.convertToGlobal(this.state.position);
    const pageWidth = this.render.getRect().pageWidth;
    const pageHeight = this.render.getRect().height;
    this.element.classList.remove('--simple');
    const commonStyle = `
            position: absolute;
            display: block;
            z-index: ${this.element.style.zIndex};
            left: 0;
            top: 0;
            width: ${pageWidth}px;
            height: ${pageHeight}px;
        `;
    density === "hard" ? this.drawHard(commonStyle) : this.drawSoft(pagePos, commonStyle);
  }
  drawHard(commonStyle = '') {
    const pos = this.render.getRect().left + this.render.getRect().width / 2;
    const angle = this.state.hardDrawingAngle;
    const newStyle = commonStyle + `
                backface-visibility: hidden;
                -webkit-backface-visibility: hidden;
                clip-path: none;
                -webkit-clip-path: none;
            ` + (this.orientation === 0 ? `transform-origin: ${this.render.getRect().pageWidth}px 0;
                   transform: translate3d(0, 0, 0) rotateY(${angle}deg);` : `transform-origin: 0 0;
                   transform: translate3d(${pos}px, 0, 0) rotateY(${angle}deg);`);
    this.element.style.cssText = newStyle;
  }
  drawSoft(position, commonStyle = '') {
    let polygon = 'polygon( ';
    for (const p of this.state.area) {
      if (p !== null) {
        let g = this.render.getDirection() === 1 ? {
          x: -p.x + this.state.position.x,
          y: p.y - this.state.position.y
        } : {
          x: p.x - this.state.position.x,
          y: p.y - this.state.position.y
        };
        g = Helper.GetRotatedPoint(g, {
          x: 0,
          y: 0
        }, this.state.angle);
        polygon += g.x + 'px ' + g.y + 'px, ';
      }
    }
    polygon = polygon.slice(0, -2);
    polygon += ')';
    const newStyle = commonStyle + `transform-origin: 0 0; clip-path: ${polygon}; -webkit-clip-path: ${polygon};` + (this.render.isSafari() && this.state.angle === 0 ? `transform: translate(${position.x}px, ${position.y}px);` : `transform: translate3d(${position.x}px, ${position.y}px, 0) rotate(${this.state.angle}rad);`);
    this.element.style.cssText = newStyle;
  }
  simpleDraw(orient) {
    const rect = this.render.getRect();
    const pageWidth = rect.pageWidth;
    const pageHeight = rect.height;
    const x = orient === 1 ? rect.left + rect.pageWidth : rect.left;
    const y = rect.top;
    this.element.classList.add('--simple');
    this.element.style.cssText = `
            position: absolute;
            display: block;
            height: ${pageHeight}px;
            left: ${x}px;
            top: ${y}px;
            width: ${pageWidth}px;
            z-index: ${this.render.getSettings().startZIndex + 1};`;
  }
  getElement() {
    return this.element;
  }
  load() {
    this.isLoad = true;
  }
  setOrientation(orientation) {
    super.setOrientation(orientation);
    this.element.classList.remove('--left', '--right');
    this.element.classList.add(orientation === 1 ? '--right' : '--left');
  }
  setDrawingDensity(density) {
    this.element.classList.remove('--soft', '--hard');
    this.element.classList.add('--' + density);
    super.setDrawingDensity(density);
  }
}
class HTMLPageCollection extends PageCollection {
  constructor(app, render, element, items) {
    super(app, render);
    this.element = element;
    this.pagesElement = items;
  }
  load() {
    for (const pageElement of this.pagesElement) {
      const page = new HTMLPage(this.render, pageElement, pageElement.dataset['density'] === 'hard' ? "hard" : "soft");
      page.load();
      this.pages.push(page);
    }
    this.createSpread();
  }
}
class FlipCalculation {
  constructor(direction, corner, pageWidth, pageHeight) {
    this.direction = direction;
    this.corner = corner;
    this.topIntersectPoint = null;
    this.sideIntersectPoint = null;
    this.bottomIntersectPoint = null;
    this.pageWidth = parseInt(pageWidth, 10);
    this.pageHeight = parseInt(pageHeight, 10);
  }
  calc(localPos) {
    try {
      this.position = this.calcAngleAndPosition(localPos);
      this.calculateIntersectPoint(this.position);
      return true;
    } catch (e) {
      return false;
    }
  }
  getFlippingClipArea() {
    const result = [];
    let clipBottom = false;
    result.push(this.rect.topLeft);
    result.push(this.topIntersectPoint);
    if (this.sideIntersectPoint === null) {
      clipBottom = true;
    } else {
      result.push(this.sideIntersectPoint);
      if (this.bottomIntersectPoint === null) clipBottom = false;
    }
    result.push(this.bottomIntersectPoint);
    if (clipBottom || this.corner === "bottom") {
      result.push(this.rect.bottomLeft);
    }
    return result;
  }
  getBottomClipArea() {
    const result = [];
    result.push(this.topIntersectPoint);
    if (this.corner === "top") {
      result.push({
        x: this.pageWidth,
        y: 0
      });
    } else {
      if (this.topIntersectPoint !== null) {
        result.push({
          x: this.pageWidth,
          y: 0
        });
      }
      result.push({
        x: this.pageWidth,
        y: this.pageHeight
      });
    }
    if (this.sideIntersectPoint !== null) {
      if (Helper.GetDistanceBetweenTwoPoint(this.sideIntersectPoint, this.topIntersectPoint) >= 10) result.push(this.sideIntersectPoint);
    } else {
      if (this.corner === "top") {
        result.push({
          x: this.pageWidth,
          y: this.pageHeight
        });
      }
    }
    result.push(this.bottomIntersectPoint);
    result.push(this.topIntersectPoint);
    return result;
  }
  getAngle() {
    if (this.direction === 0) {
      return -this.angle;
    }
    return this.angle;
  }
  getRect() {
    return this.rect;
  }
  getPosition() {
    return this.position;
  }
  getActiveCorner() {
    if (this.direction === 0) {
      return this.rect.topLeft;
    }
    return this.rect.topRight;
  }
  getDirection() {
    return this.direction;
  }
  getFlippingProgress() {
    return Math.abs((this.position.x - this.pageWidth) / (2 * this.pageWidth) * 100);
  }
  getCorner() {
    return this.corner;
  }
  getBottomPagePosition() {
    if (this.direction === 1) {
      return {
        x: this.pageWidth,
        y: 0
      };
    }
    return {
      x: 0,
      y: 0
    };
  }
  getShadowStartPoint() {
    if (this.corner === "top") {
      return this.topIntersectPoint;
    } else {
      if (this.sideIntersectPoint !== null) return this.sideIntersectPoint;
      return this.topIntersectPoint;
    }
  }
  getShadowAngle() {
    const angle = Helper.GetAngleBetweenTwoLine(this.getSegmentToShadowLine(), [{
      x: 0,
      y: 0
    }, {
      x: this.pageWidth,
      y: 0
    }]);
    if (this.direction === 0) {
      return angle;
    }
    return Math.PI - angle;
  }
  calcAngleAndPosition(pos) {
    let result = pos;
    this.updateAngleAndGeometry(result);
    if (this.corner === "top") {
      result = this.checkPositionAtCenterLine(result, {
        x: 0,
        y: 0
      }, {
        x: 0,
        y: this.pageHeight
      });
    } else {
      result = this.checkPositionAtCenterLine(result, {
        x: 0,
        y: this.pageHeight
      }, {
        x: 0,
        y: 0
      });
    }
    if (Math.abs(result.x - this.pageWidth) < 1 && Math.abs(result.y) < 1) {
      throw new Error('Point is too small');
    }
    return result;
  }
  updateAngleAndGeometry(pos) {
    this.angle = this.calculateAngle(pos);
    this.rect = this.getPageRect(pos);
  }
  calculateAngle(pos) {
    const left = this.pageWidth - pos.x + 1;
    const top = this.corner === "bottom" ? this.pageHeight - pos.y : pos.y;
    let angle = 2 * Math.acos(left / Math.sqrt(top * top + left * left));
    if (top < 0) angle = -angle;
    const da = Math.PI - angle;
    if (!isFinite(angle) || da >= 0 && da < 0.003) throw new Error('The G point is too small');
    if (this.corner === "bottom") angle = -angle;
    return angle;
  }
  getPageRect(localPos) {
    if (this.corner === "top") {
      return this.getRectFromBasePoint([{
        x: 0,
        y: 0
      }, {
        x: this.pageWidth,
        y: 0
      }, {
        x: 0,
        y: this.pageHeight
      }, {
        x: this.pageWidth,
        y: this.pageHeight
      }], localPos);
    }
    return this.getRectFromBasePoint([{
      x: 0,
      y: -this.pageHeight
    }, {
      x: this.pageWidth,
      y: -this.pageHeight
    }, {
      x: 0,
      y: 0
    }, {
      x: this.pageWidth,
      y: 0
    }], localPos);
  }
  getRectFromBasePoint(points, localPos) {
    return {
      topLeft: this.getRotatedPoint(points[0], localPos),
      topRight: this.getRotatedPoint(points[1], localPos),
      bottomLeft: this.getRotatedPoint(points[2], localPos),
      bottomRight: this.getRotatedPoint(points[3], localPos)
    };
  }
  getRotatedPoint(transformedPoint, startPoint) {
    return {
      x: transformedPoint.x * Math.cos(this.angle) + transformedPoint.y * Math.sin(this.angle) + startPoint.x,
      y: transformedPoint.y * Math.cos(this.angle) - transformedPoint.x * Math.sin(this.angle) + startPoint.y
    };
  }
  calculateIntersectPoint(pos) {
    const boundRect = {
      left: -1,
      top: -1,
      width: this.pageWidth + 2,
      height: this.pageHeight + 2
    };
    if (this.corner === "top") {
      this.topIntersectPoint = Helper.GetIntersectBetweenTwoSegment(boundRect, [pos, this.rect.topRight], [{
        x: 0,
        y: 0
      }, {
        x: this.pageWidth,
        y: 0
      }]);
      this.sideIntersectPoint = Helper.GetIntersectBetweenTwoSegment(boundRect, [pos, this.rect.bottomLeft], [{
        x: this.pageWidth,
        y: 0
      }, {
        x: this.pageWidth,
        y: this.pageHeight
      }]);
      this.bottomIntersectPoint = Helper.GetIntersectBetweenTwoSegment(boundRect, [this.rect.bottomLeft, this.rect.bottomRight], [{
        x: 0,
        y: this.pageHeight
      }, {
        x: this.pageWidth,
        y: this.pageHeight
      }]);
    } else {
      this.topIntersectPoint = Helper.GetIntersectBetweenTwoSegment(boundRect, [this.rect.topLeft, this.rect.topRight], [{
        x: 0,
        y: 0
      }, {
        x: this.pageWidth,
        y: 0
      }]);
      this.sideIntersectPoint = Helper.GetIntersectBetweenTwoSegment(boundRect, [pos, this.rect.topLeft], [{
        x: this.pageWidth,
        y: 0
      }, {
        x: this.pageWidth,
        y: this.pageHeight
      }]);
      this.bottomIntersectPoint = Helper.GetIntersectBetweenTwoSegment(boundRect, [this.rect.bottomLeft, this.rect.bottomRight], [{
        x: 0,
        y: this.pageHeight
      }, {
        x: this.pageWidth,
        y: this.pageHeight
      }]);
    }
  }
  checkPositionAtCenterLine(checkedPos, centerOne, centerTwo) {
    let result = checkedPos;
    const tmp = Helper.LimitPointToCircle(centerOne, this.pageWidth, result);
    if (result !== tmp) {
      result = tmp;
      this.updateAngleAndGeometry(result);
    }
    const rad = Math.sqrt(Math.pow(this.pageWidth, 2) + Math.pow(this.pageHeight, 2));
    let checkPointOne = this.rect.bottomRight;
    let checkPointTwo = this.rect.topLeft;
    if (this.corner === "bottom") {
      checkPointOne = this.rect.topRight;
      checkPointTwo = this.rect.bottomLeft;
    }
    if (checkPointOne.x <= 0) {
      const bottomPoint = Helper.LimitPointToCircle(centerTwo, rad, checkPointTwo);
      if (bottomPoint !== result) {
        result = bottomPoint;
        this.updateAngleAndGeometry(result);
      }
    }
    return result;
  }
  getSegmentToShadowLine() {
    const first = this.getShadowStartPoint();
    const second = first !== this.sideIntersectPoint && this.sideIntersectPoint !== null ? this.sideIntersectPoint : this.bottomIntersectPoint;
    return [first, second];
  }
}
class Flip {
  constructor(render, app) {
    this.flippingPage = null;
    this.bottomPage = null;
    this.calc = null;
    this.state = "read";
    this.render = render;
    this.app = app;
  }
  fold(globalPos) {
    this.setState("user_fold");
    if (this.calc === null) this.start(globalPos);
    this.do(this.render.convertToPage(globalPos));
  }
  flip(globalPos) {
    if (this.app.getSettings().disableFlipByClick && !this.isPointOnCorners(globalPos)) return;
    if (this.calc !== null) this.render.finishAnimation();
    if (!this.start(globalPos)) return;
    const rect = this.getBoundsRect();
    this.setState("flipping");
    const topMargins = rect.height / 10;
    const yStart = this.calc.getCorner() === "bottom" ? rect.height - topMargins : topMargins;
    const yDest = this.calc.getCorner() === "bottom" ? rect.height : 0;
    this.calc.calc({
      x: rect.pageWidth - topMargins,
      y: yStart
    });
    this.animateFlippingTo({
      x: rect.pageWidth - topMargins,
      y: yStart
    }, {
      x: -rect.pageWidth,
      y: yDest
    }, true);
  }
  start(globalPos) {
    this.reset();
    const bookPos = this.render.convertToBook(globalPos);
    const rect = this.getBoundsRect();
    const direction = this.getDirectionByPoint(bookPos);
    const flipCorner = bookPos.y >= rect.height / 2 ? "bottom" : "top";
    if (!this.checkDirection(direction)) return false;
    try {
      this.flippingPage = this.app.getPageCollection().getFlippingPage(direction);
      this.bottomPage = this.app.getPageCollection().getBottomPage(direction);
      if (this.render.getOrientation() === "landscape") {
        if (direction === 1) {
          const nextPage = this.app.getPageCollection().nextBy(this.flippingPage);
          if (nextPage !== null) {
            if (this.flippingPage.getDensity() !== nextPage.getDensity()) {
              this.flippingPage.setDrawingDensity("hard");
              nextPage.setDrawingDensity("hard");
            }
          }
        } else {
          const prevPage = this.app.getPageCollection().prevBy(this.flippingPage);
          if (prevPage !== null) {
            if (this.flippingPage.getDensity() !== prevPage.getDensity()) {
              this.flippingPage.setDrawingDensity("hard");
              prevPage.setDrawingDensity("hard");
            }
          }
        }
      }
      this.render.setDirection(direction);
      this.calc = new FlipCalculation(direction, flipCorner, rect.pageWidth.toString(10), rect.height.toString(10));
      return true;
    } catch (e) {
      return false;
    }
  }
  do(pagePos) {
    if (this.calc === null) return;
    if (this.calc.calc(pagePos)) {
      const progress = this.calc.getFlippingProgress();
      this.bottomPage.setArea(this.calc.getBottomClipArea());
      this.bottomPage.setPosition(this.calc.getBottomPagePosition());
      this.bottomPage.setAngle(0);
      this.bottomPage.setHardAngle(0);
      this.flippingPage.setArea(this.calc.getFlippingClipArea());
      this.flippingPage.setPosition(this.calc.getActiveCorner());
      this.flippingPage.setAngle(this.calc.getAngle());
      if (this.calc.getDirection() === 0) {
        this.flippingPage.setHardAngle(90 * (200 - progress * 2) / 100);
      } else {
        this.flippingPage.setHardAngle(-90 * (200 - progress * 2) / 100);
      }
      this.render.setPageRect(this.calc.getRect());
      this.render.setBottomPage(this.bottomPage);
      this.render.setFlippingPage(this.flippingPage);
      this.render.setShadowData(this.calc.getShadowStartPoint(), this.calc.getShadowAngle(), progress, this.calc.getDirection());
    }
  }
  flipToPage(page, corner) {
    const current = this.app.getPageCollection().getCurrentSpreadIndex();
    const next = this.app.getPageCollection().getSpreadIndexByPage(page);
    try {
      if (next > current) {
        this.app.getPageCollection().setCurrentSpreadIndex(next - 1);
        this.flipNext(corner);
      }
      if (next < current) {
        this.app.getPageCollection().setCurrentSpreadIndex(next + 1);
        this.flipPrev(corner);
      }
    } catch (e) {}
  }
  flipNext(corner) {
    this.flip({
      x: this.render.getRect().left + this.render.getRect().pageWidth * 2 - 10,
      y: corner === "top" ? 1 : this.render.getRect().height - 2
    });
  }
  flipPrev(corner) {
    this.flip({
      x: 10,
      y: corner === "top" ? 1 : this.render.getRect().height - 2
    });
  }
  stopMove() {
    if (this.calc === null) return;
    const pos = this.calc.getPosition();
    const rect = this.getBoundsRect();
    const y = this.calc.getCorner() === "bottom" ? rect.height : 0;
    if (pos.x <= 0) this.animateFlippingTo(pos, {
      x: -rect.pageWidth,
      y
    }, true);else this.animateFlippingTo(pos, {
      x: rect.pageWidth,
      y
    }, false);
  }
  showCorner(globalPos) {
    if (!this.checkState("read", "fold_corner")) return;
    const rect = this.getBoundsRect();
    const pageWidth = rect.pageWidth;
    if (this.isPointOnCorners(globalPos)) {
      if (this.calc === null) {
        if (!this.start(globalPos)) return;
        this.setState("fold_corner");
        this.calc.calc({
          x: pageWidth - 1,
          y: 1
        });
        const fixedCornerSize = 50;
        const yStart = this.calc.getCorner() === "bottom" ? rect.height - 1 : 1;
        const yDest = this.calc.getCorner() === "bottom" ? rect.height - fixedCornerSize : fixedCornerSize;
        this.animateFlippingTo({
          x: pageWidth - 1,
          y: yStart
        }, {
          x: pageWidth - fixedCornerSize,
          y: yDest
        }, false, false);
      } else {
        this.do(this.render.convertToPage(globalPos));
      }
    } else {
      this.setState("read");
      this.render.finishAnimation();
      this.stopMove();
    }
  }
  animateFlippingTo(start, dest, isTurned, needReset = true) {
    const points = Helper.GetCordsFromTwoPoint(start, dest);
    const frames = [];
    for (const p of points) frames.push(() => this.do(p));
    const duration = this.getAnimationDuration(points.length);
    this.render.startAnimation(frames, duration, () => {
      if (!this.calc) return;
      if (isTurned) {
        if (this.calc.getDirection() === 1) this.app.turnToPrevPage();else this.app.turnToNextPage();
      }
      if (needReset) {
        this.render.setBottomPage(null);
        this.render.setFlippingPage(null);
        this.render.clearShadow();
        this.setState("read");
        this.reset();
      }
    });
  }
  getCalculation() {
    return this.calc;
  }
  getState() {
    return this.state;
  }
  setState(newState) {
    if (this.state !== newState) {
      this.app.updateState(newState);
      this.state = newState;
    }
  }
  getDirectionByPoint(touchPos) {
    const rect = this.getBoundsRect();
    if (this.render.getOrientation() === "portrait") {
      if (touchPos.x - rect.pageWidth <= rect.width / 5) {
        return 1;
      }
    } else if (touchPos.x < rect.width / 2) {
      return 1;
    }
    return 0;
  }
  getAnimationDuration(size) {
    const defaultTime = this.app.getSettings().flippingTime;
    if (size >= 1000) return defaultTime;
    return size / 1000 * defaultTime;
  }
  checkDirection(direction) {
    if (direction === 0) return this.app.getCurrentPageIndex() < this.app.getPageCount() - 1;
    return this.app.getCurrentPageIndex() >= 1;
  }
  reset() {
    this.calc = null;
    this.flippingPage = null;
    this.bottomPage = null;
  }
  getBoundsRect() {
    return this.render.getRect();
  }
  checkState(...states) {
    for (const state of states) {
      if (this.state === state) return true;
    }
    return false;
  }
  isPointOnCorners(globalPos) {
    const rect = this.getBoundsRect();
    const pageWidth = rect.pageWidth;
    const operatingDistance = Math.sqrt(Math.pow(pageWidth, 2) + Math.pow(rect.height, 2)) / 5;
    const bookPos = this.render.convertToBook(globalPos);
    return bookPos.x > 0 && bookPos.y > 0 && bookPos.x < rect.width && bookPos.y < rect.height && (bookPos.x < operatingDistance || bookPos.x > rect.width - operatingDistance) && (bookPos.y < operatingDistance || bookPos.y > rect.height - operatingDistance);
  }
}
class Render {
  constructor(app, setting) {
    this.leftPage = null;
    this.rightPage = null;
    this.flippingPage = null;
    this.bottomPage = null;
    this.direction = null;
    this.orientation = null;
    this.shadow = null;
    this.animation = null;
    this.pageRect = null;
    this.boundsRect = null;
    this.timer = 0;
    this.safari = false;
    this.setting = setting;
    this.app = app;
    const regex = new RegExp('Version\\/[\\d\\.]+.*Safari/');
    this.safari = regex.exec(window.navigator.userAgent) !== null;
  }
  render(timer) {
    if (this.animation !== null) {
      const frameIndex = Math.round((timer - this.animation.startedAt) / this.animation.durationFrame);
      if (frameIndex < this.animation.frames.length) {
        this.animation.frames[frameIndex]();
      } else {
        this.animation.onAnimateEnd();
        this.animation = null;
      }
    }
    this.timer = timer;
    this.drawFrame();
  }
  start() {
    this.update();
    const loop = timer => {
      window.ngxZone.runOutsideAngular(() => {
        this.render(timer);
        requestAnimationFrame(loop);
      });
    };
    window.ngxZone.runOutsideAngular(() => {
      requestAnimationFrame(loop);
    });
  }
  startAnimation(frames, duration, onAnimateEnd) {
    this.finishAnimation();
    this.animation = {
      frames,
      duration,
      durationFrame: duration / frames.length,
      onAnimateEnd,
      startedAt: this.timer
    };
  }
  finishAnimation() {
    if (this.animation !== null) {
      this.animation.frames[this.animation.frames.length - 1]();
      if (this.animation.onAnimateEnd !== null) {
        this.animation.onAnimateEnd();
      }
    }
    this.animation = null;
  }
  update() {
    this.boundsRect = null;
    const orientation = this.calculateBoundsRect();
    if (this.orientation !== orientation) {
      this.orientation = orientation;
      this.app.updateOrientation(orientation);
    }
  }
  calculateBoundsRect() {
    let orientation = "landscape";
    const blockWidth = this.getBlockWidth();
    const middlePoint = {
      x: blockWidth / 2,
      y: this.getBlockHeight() / 2
    };
    const ratio = this.setting.width / this.setting.height;
    let pageWidth = this.setting.width;
    let pageHeight = this.setting.height;
    let left = middlePoint.x - pageWidth;
    if (this.setting.size === "stretch") {
      if (blockWidth < this.setting.minWidth * 2 && this.app.getSettings().usePortrait) orientation = "portrait";
      pageWidth = orientation === "portrait" ? this.getBlockWidth() : this.getBlockWidth() / 2;
      if (pageWidth > this.setting.maxWidth) pageWidth = this.setting.maxWidth;
      pageHeight = pageWidth / ratio;
      if (pageHeight > this.getBlockHeight()) {
        pageHeight = this.getBlockHeight();
        pageWidth = pageHeight * ratio;
      }
      left = orientation === "portrait" ? middlePoint.x - pageWidth / 2 - pageWidth : middlePoint.x - pageWidth;
    } else {
      if (blockWidth < pageWidth * 2) {
        if (this.app.getSettings().usePortrait) {
          orientation = "portrait";
          left = middlePoint.x - pageWidth / 2 - pageWidth;
        }
      }
    }
    this.boundsRect = {
      left,
      top: middlePoint.y - pageHeight / 2,
      width: pageWidth * 2,
      height: pageHeight,
      pageWidth: pageWidth
    };
    return orientation;
  }
  setShadowData(pos, angle, progress, direction) {
    if (!this.app.getSettings().drawShadow) return;
    const maxShadowOpacity = 100 * this.getSettings().maxShadowOpacity;
    this.shadow = {
      pos,
      angle,
      width: this.getRect().pageWidth * 3 / 4 * progress / 100,
      opacity: (100 - progress) * maxShadowOpacity / 100 / 100,
      direction,
      progress: progress * 2
    };
  }
  clearShadow() {
    this.shadow = null;
  }
  getBlockWidth() {
    return this.app.getUI().getDistElement().offsetWidth;
  }
  getBlockHeight() {
    return this.app.getUI().getDistElement().offsetHeight;
  }
  getDirection() {
    return this.direction;
  }
  getRect() {
    if (this.boundsRect === null) this.calculateBoundsRect();
    return this.boundsRect;
  }
  getSettings() {
    return this.app.getSettings();
  }
  getOrientation() {
    return this.orientation;
  }
  setPageRect(pageRect) {
    this.pageRect = pageRect;
  }
  setDirection(direction) {
    this.direction = direction;
  }
  setRightPage(page) {
    if (page !== null) page.setOrientation(1);
    this.rightPage = page;
  }
  setLeftPage(page) {
    if (page !== null) page.setOrientation(0);
    this.leftPage = page;
  }
  setBottomPage(page) {
    if (page !== null) page.setOrientation(this.direction === 1 ? 0 : 1);
    this.bottomPage = page;
  }
  setFlippingPage(page) {
    if (page !== null) page.setOrientation(this.direction === 0 && this.orientation !== "portrait" ? 0 : 1);
    this.flippingPage = page;
  }
  convertToBook(pos) {
    const rect = this.getRect();
    return {
      x: pos.x - rect.left,
      y: pos.y - rect.top
    };
  }
  isSafari() {
    return this.safari;
  }
  convertToPage(pos, direction) {
    if (!direction) direction = this.direction;
    const rect = this.getRect();
    const x = direction === 0 ? pos.x - rect.left - rect.width / 2 : rect.width / 2 - pos.x + rect.left;
    return {
      x,
      y: pos.y - rect.top
    };
  }
  convertToGlobal(pos, direction) {
    if (!direction) direction = this.direction;
    if (pos == null) return null;
    const rect = this.getRect();
    const x = direction === 0 ? pos.x + rect.left + rect.width / 2 : rect.width / 2 - pos.x + rect.left;
    return {
      x,
      y: pos.y + rect.top
    };
  }
  convertRectToGlobal(rect, direction) {
    if (!direction) direction = this.direction;
    return {
      topLeft: this.convertToGlobal(rect.topLeft, direction),
      topRight: this.convertToGlobal(rect.topRight, direction),
      bottomLeft: this.convertToGlobal(rect.bottomLeft, direction),
      bottomRight: this.convertToGlobal(rect.bottomRight, direction)
    };
  }
}
class CanvasRender extends Render {
  constructor(app, setting, inCanvas) {
    super(app, setting);
    this.canvas = inCanvas;
    const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true
    } : undefined;
    const ctx = canvas.getContext("2d", options);
  }
  getContext() {
    return this.ctx;
  }
  reload() {}
  drawFrame() {
    this.clear();
    if (this.orientation !== "portrait") if (this.leftPage != null) this.leftPage.simpleDraw(0);
    if (this.rightPage != null) this.rightPage.simpleDraw(1);
    if (this.bottomPage != null) this.bottomPage.draw();
    this.drawBookShadow();
    if (this.flippingPage != null) this.flippingPage.draw();
    if (this.shadow != null) {
      this.drawOuterShadow();
      this.drawInnerShadow();
    }
    const rect = this.getRect();
    if (this.orientation === "portrait") {
      this.ctx.beginPath();
      this.ctx.rect(rect.left + rect.pageWidth, rect.top, rect.width, rect.height);
      this.ctx.clip();
    }
  }
  drawBookShadow() {
    const rect = this.getRect();
    this.ctx.save();
    this.ctx.beginPath();
    const shadowSize = rect.width / 20;
    this.ctx.rect(rect.left, rect.top, rect.width, rect.height);
    const shadowPos = {
      x: rect.left + rect.width / 2 - shadowSize / 2,
      y: 0
    };
    this.ctx.translate(shadowPos.x, shadowPos.y);
    const outerGradient = this.ctx.createLinearGradient(0, 0, shadowSize, 0);
    outerGradient.addColorStop(0, 'rgba(0, 0, 0, 0)');
    outerGradient.addColorStop(0.4, 'rgba(0, 0, 0, 0.2)');
    outerGradient.addColorStop(0.49, 'rgba(0, 0, 0, 0.1)');
    outerGradient.addColorStop(0.5, 'rgba(0, 0, 0, 0.5)');
    outerGradient.addColorStop(0.51, 'rgba(0, 0, 0, 0.4)');
    outerGradient.addColorStop(1, 'rgba(0, 0, 0, 0)');
    this.ctx.clip();
    this.ctx.fillStyle = outerGradient;
    this.ctx.fillRect(0, 0, shadowSize, rect.height * 2);
    this.ctx.restore();
  }
  drawOuterShadow() {
    const rect = this.getRect();
    this.ctx.save();
    this.ctx.beginPath();
    this.ctx.rect(rect.left, rect.top, rect.width, rect.height);
    const shadowPos = this.convertToGlobal({
      x: this.shadow.pos.x,
      y: this.shadow.pos.y
    });
    this.ctx.translate(shadowPos.x, shadowPos.y);
    this.ctx.rotate(Math.PI + this.shadow.angle + Math.PI / 2);
    const outerGradient = this.ctx.createLinearGradient(0, 0, this.shadow.width, 0);
    if (this.shadow.direction === 0) {
      this.ctx.translate(0, -100);
      outerGradient.addColorStop(0, 'rgba(0, 0, 0, ' + this.shadow.opacity + ')');
      outerGradient.addColorStop(1, 'rgba(0, 0, 0, 0)');
    } else {
      this.ctx.translate(-this.shadow.width, -100);
      outerGradient.addColorStop(0, 'rgba(0, 0, 0, 0)');
      outerGradient.addColorStop(1, 'rgba(0, 0, 0, ' + this.shadow.opacity + ')');
    }
    this.ctx.clip();
    this.ctx.fillStyle = outerGradient;
    this.ctx.fillRect(0, 0, this.shadow.width, rect.height * 2);
    this.ctx.restore();
  }
  drawInnerShadow() {
    const rect = this.getRect();
    this.ctx.save();
    this.ctx.beginPath();
    const shadowPos = this.convertToGlobal({
      x: this.shadow.pos.x,
      y: this.shadow.pos.y
    });
    const pageRect = this.convertRectToGlobal(this.pageRect);
    this.ctx.moveTo(pageRect.topLeft.x, pageRect.topLeft.y);
    this.ctx.lineTo(pageRect.topRight.x, pageRect.topRight.y);
    this.ctx.lineTo(pageRect.bottomRight.x, pageRect.bottomRight.y);
    this.ctx.lineTo(pageRect.bottomLeft.x, pageRect.bottomLeft.y);
    this.ctx.translate(shadowPos.x, shadowPos.y);
    this.ctx.rotate(Math.PI + this.shadow.angle + Math.PI / 2);
    const isw = this.shadow.width * 3 / 4;
    const innerGradient = this.ctx.createLinearGradient(0, 0, isw, 0);
    if (this.shadow.direction === 0) {
      this.ctx.translate(-isw, -100);
      innerGradient.addColorStop(1, 'rgba(0, 0, 0, ' + this.shadow.opacity + ')');
      innerGradient.addColorStop(0.9, 'rgba(0, 0, 0, 0.05)');
      innerGradient.addColorStop(0.7, 'rgba(0, 0, 0, ' + this.shadow.opacity + ')');
      innerGradient.addColorStop(0, 'rgba(0, 0, 0, 0)');
    } else {
      this.ctx.translate(0, -100);
      innerGradient.addColorStop(0, 'rgba(0, 0, 0, ' + this.shadow.opacity + ')');
      innerGradient.addColorStop(0.1, 'rgba(0, 0, 0, 0.05)');
      innerGradient.addColorStop(0.3, 'rgba(0, 0, 0, ' + this.shadow.opacity + ')');
      innerGradient.addColorStop(1, 'rgba(0, 0, 0, 0)');
    }
    this.ctx.clip();
    this.ctx.fillStyle = innerGradient;
    this.ctx.fillRect(0, 0, isw, rect.height * 2);
    this.ctx.restore();
  }
  clear() {
    this.ctx.fillStyle = 'white';
    this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height);
  }
}
class UI {
  constructor(inBlock, app, setting) {
    this.touchPoint = null;
    this.swipeTimeout = 250;
    this.onResize = () => {
      this.update();
    };
    this.onMouseDown = e => {
      if (this.checkTarget(e.target)) {
        const pos = this.getMousePos(e.clientX, e.clientY);
        this.app.startUserTouch(pos);
        e.preventDefault();
      }
    };
    this.onTouchStart = e => {
      if (this.checkTarget(e.target)) {
        if (e.changedTouches.length > 0) {
          const t = e.changedTouches[0];
          const pos = this.getMousePos(t.clientX, t.clientY);
          this.touchPoint = {
            point: pos,
            time: Date.now()
          };
          setTimeout(() => {
            if (this.touchPoint !== null) {
              this.app.startUserTouch(pos);
            }
          }, this.swipeTimeout);
          if (!this.app.getSettings().mobileScrollSupport) e.preventDefault();
        }
      }
    };
    this.onMouseUp = e => {
      const pos = this.getMousePos(e.clientX, e.clientY);
      this.app.userStop(pos);
    };
    this.onMouseMove = e => {
      const pos = this.getMousePos(e.clientX, e.clientY);
      this.app.userMove(pos, false);
    };
    this.onTouchMove = e => {
      if (e.changedTouches.length > 0) {
        const t = e.changedTouches[0];
        const pos = this.getMousePos(t.clientX, t.clientY);
        if (this.app.getSettings().mobileScrollSupport) {
          if (this.touchPoint !== null) {
            if (Math.abs(this.touchPoint.point.x - pos.x) > 10 || this.app.getState() !== "read") {
              if (e.cancelable) this.app.userMove(pos, true);
            }
          }
          if (this.app.getState() !== "read") {
            e.preventDefault();
          }
        } else {
          this.app.userMove(pos, true);
        }
      }
    };
    this.onTouchEnd = e => {
      if (e.changedTouches.length > 0) {
        const t = e.changedTouches[0];
        const pos = this.getMousePos(t.clientX, t.clientY);
        let isSwipe = false;
        if (this.touchPoint !== null) {
          const dx = pos.x - this.touchPoint.point.x;
          const distY = Math.abs(pos.y - this.touchPoint.point.y);
          if (Math.abs(dx) > this.swipeDistance && distY < this.swipeDistance * 2 && Date.now() - this.touchPoint.time < this.swipeTimeout) {
            if (dx > 0) {
              this.app.flipPrev(this.touchPoint.point.y < this.app.getRender().getRect().height / 2 ? "top" : "bottom");
            } else {
              this.app.flipNext(this.touchPoint.point.y < this.app.getRender().getRect().height / 2 ? "top" : "bottom");
            }
            isSwipe = true;
          }
          this.touchPoint = null;
        }
        this.app.userStop(pos, isSwipe);
      }
    };
    this.parentElement = inBlock;
    inBlock.classList.add('stf__parent');
    inBlock.insertAdjacentHTML('afterbegin', '<div class="stf__wrapper"></div>');
    this.wrapper = inBlock.querySelector('.stf__wrapper');
    this.app = app;
    const k = this.app.getSettings().usePortrait ? 1 : 2;
    inBlock.style.minWidth = setting.minWidth * k + 'px';
    inBlock.style.minHeight = setting.minHeight + 'px';
    if (setting.size === "fixed") {
      inBlock.style.minWidth = setting.width * k + 'px';
      inBlock.style.minHeight = setting.height + 'px';
    }
    if (setting.autoSize) {
      inBlock.style.width = '100%';
      inBlock.style.maxWidth = setting.maxWidth * 2 + 'px';
    }
    inBlock.style.display = 'block';
    window.addEventListener('resize', this.onResize, false);
    this.swipeDistance = setting.swipeDistance;
  }
  destroy() {
    if (this.app.getSettings().useMouseEvents) this.removeHandlers();
    this.distElement.remove();
    this.wrapper.remove();
  }
  getDistElement() {
    return this.distElement;
  }
  getWrapper() {
    return this.wrapper;
  }
  setOrientationStyle(orientation) {
    this.wrapper.classList.remove('--portrait', '--landscape');
    if (orientation === "portrait") {
      if (this.app.getSettings().autoSize) this.wrapper.style.paddingBottom = this.app.getSettings().height / this.app.getSettings().width * 100 + '%';
      this.wrapper.classList.add('--portrait');
    } else {
      if (this.app.getSettings().autoSize) this.wrapper.style.paddingBottom = this.app.getSettings().height / (this.app.getSettings().width * 2) * 100 + '%';
      this.wrapper.classList.add('--landscape');
    }
    this.update();
  }
  removeHandlers() {
    window.removeEventListener('resize', this.onResize);
    this.distElement.removeEventListener('mousedown', this.onMouseDown);
    this.distElement.removeEventListener('touchstart', this.onTouchStart);
    window.removeEventListener('mousemove', this.onMouseMove);
    window.removeEventListener('touchmove', this.onTouchMove);
    window.removeEventListener('mouseup', this.onMouseUp);
    window.removeEventListener('touchend', this.onTouchEnd);
  }
  setHandlers() {
    window.addEventListener('resize', this.onResize, false);
    if (!this.app.getSettings().useMouseEvents) return;
    this.distElement.addEventListener('mousedown', this.onMouseDown);
    this.distElement.addEventListener('touchstart', this.onTouchStart);
    window.addEventListener('mousemove', this.onMouseMove);
    window.addEventListener('touchmove', this.onTouchMove, {
      passive: !this.app.getSettings().mobileScrollSupport
    });
    window.addEventListener('mouseup', this.onMouseUp);
    window.addEventListener('touchend', this.onTouchEnd);
  }
  getMousePos(x, y) {
    const rect = this.distElement.getBoundingClientRect();
    return {
      x: x - rect.left,
      y: y - rect.top
    };
  }
  checkTarget(targer) {
    if (!this.app.getSettings().clickEventForward) return true;
    if (['a', 'button'].includes(targer.tagName.toLowerCase())) {
      return false;
    }
    return true;
  }
}
class HTMLUI extends UI {
  constructor(inBlock, app, setting, items) {
    super(inBlock, app, setting);
    this.wrapper.insertAdjacentHTML('afterbegin', '<div class="stf__block"></div>');
    this.distElement = inBlock.querySelector('.stf__block');
    this.items = items;
    for (const item of items) {
      this.distElement.appendChild(item);
    }
    this.setHandlers();
  }
  clear() {
    for (const item of this.items) {
      this.parentElement.appendChild(item);
    }
  }
  updateItems(items) {
    this.removeHandlers();
    this.distElement.innerHTML = '';
    for (const item of items) {
      this.distElement.appendChild(item);
    }
    this.items = items;
    this.setHandlers();
  }
  update() {
    this.app.getRender().update();
  }
}
class CanvasUI extends UI {
  constructor(inBlock, app, setting) {
    super(inBlock, app, setting);
    this.wrapper.innerHTML = '<canvas class="stf__canvas"></canvas>';
    this.canvas = inBlock.querySelectorAll('canvas')[0];
    this.distElement = this.canvas;
    this.resizeCanvas();
    this.setHandlers();
  }
  resizeCanvas() {
    const cs = getComputedStyle(this.canvas);
    const width = parseInt(cs.getPropertyValue('width'), 10);
    const height = parseInt(cs.getPropertyValue('height'), 10);
    this.canvas.width = width;
    this.canvas.height = height;
  }
  getCanvas() {
    return this.canvas;
  }
  update() {
    this.resizeCanvas();
    this.app.getRender().update();
  }
}
class EventObject {
  constructor() {
    this.events = new Map();
  }
  on(eventName, callback) {
    if (!this.events.has(eventName)) {
      this.events.set(eventName, [callback]);
    } else {
      this.events.get(eventName).push(callback);
    }
    return this;
  }
  off(event) {
    this.events.delete(event);
  }
  trigger(eventName, app, data = null) {
    if (!this.events.has(eventName)) return;
    for (const callback of this.events.get(eventName)) {
      callback({
        data,
        object: app
      });
    }
  }
}
class HTMLRender extends Render {
  constructor(app, setting, element) {
    super(app, setting);
    this.outerShadow = null;
    this.innerShadow = null;
    this.hardShadow = null;
    this.hardInnerShadow = null;
    this.element = element;
    this.createShadows();
  }
  createShadows() {
    this.element.insertAdjacentHTML('beforeend', `<div class="stf__outerShadow"></div>
             <div class="stf__innerShadow"></div>
             <div class="stf__hardShadow"></div>
             <div class="stf__hardInnerShadow"></div>`);
    this.outerShadow = this.element.querySelector('.stf__outerShadow');
    this.innerShadow = this.element.querySelector('.stf__innerShadow');
    this.hardShadow = this.element.querySelector('.stf__hardShadow');
    this.hardInnerShadow = this.element.querySelector('.stf__hardInnerShadow');
  }
  clearShadow() {
    super.clearShadow();
    this.outerShadow.style.cssText = 'display: none';
    this.innerShadow.style.cssText = 'display: none';
    this.hardShadow.style.cssText = 'display: none';
    this.hardInnerShadow.style.cssText = 'display: none';
  }
  reload() {
    const testShadow = this.element.querySelector('.stf__outerShadow');
    if (!testShadow) {
      this.createShadows();
    }
  }
  drawHardInnerShadow() {
    const rect = this.getRect();
    const progress = this.shadow.progress > 100 ? 200 - this.shadow.progress : this.shadow.progress;
    let innerShadowSize = (100 - progress) * (2.5 * rect.pageWidth) / 100 + 20;
    if (innerShadowSize > rect.pageWidth) innerShadowSize = rect.pageWidth;
    let newStyle = `
            display: block;
            z-index: ${(this.getSettings().startZIndex + 5).toString(10)};
            width: ${innerShadowSize}px;
            height: ${rect.height}px;
            background: linear-gradient(to right,
                rgba(0, 0, 0, ${this.shadow.opacity * progress / 100}) 5%,
                rgba(0, 0, 0, 0) 100%);
            left: ${rect.left + rect.width / 2}px;
            transform-origin: 0 0;
        `;
    newStyle += this.getDirection() === 0 && this.shadow.progress > 100 || this.getDirection() === 1 && this.shadow.progress <= 100 ? `transform: translate3d(0, 0, 0);` : `transform: translate3d(0, 0, 0) rotateY(180deg);`;
    this.hardInnerShadow.style.cssText = newStyle;
  }
  drawHardOuterShadow() {
    const rect = this.getRect();
    const progress = this.shadow.progress > 100 ? 200 - this.shadow.progress : this.shadow.progress;
    let shadowSize = (100 - progress) * (2.5 * rect.pageWidth) / 100 + 20;
    if (shadowSize > rect.pageWidth) shadowSize = rect.pageWidth;
    let newStyle = `
            display: block;
            z-index: ${(this.getSettings().startZIndex + 4).toString(10)};
            width: ${shadowSize}px;
            height: ${rect.height}px;
            background: linear-gradient(to left, rgba(0, 0, 0, ${this.shadow.opacity}) 5%, rgba(0, 0, 0, 0) 100%);
            left: ${rect.left + rect.width / 2}px;
            transform-origin: 0 0;
        `;
    newStyle += this.getDirection() === 0 && this.shadow.progress > 100 || this.getDirection() === 1 && this.shadow.progress <= 100 ? `transform: translate3d(0, 0, 0) rotateY(180deg);` : `transform: translate3d(0, 0, 0);`;
    this.hardShadow.style.cssText = newStyle;
  }
  drawInnerShadow() {
    const rect = this.getRect();
    const innerShadowSize = this.shadow.width * 3 / 4;
    const shadowTranslate = this.getDirection() === 0 ? innerShadowSize : 0;
    const shadowDirection = this.getDirection() === 0 ? 'to left' : 'to right';
    const shadowPos = this.convertToGlobal(this.shadow.pos);
    const angle = this.shadow.angle + 3 * Math.PI / 2;
    const clip = [this.pageRect.topLeft, this.pageRect.topRight, this.pageRect.bottomRight, this.pageRect.bottomLeft];
    let polygon = 'polygon( ';
    for (const p of clip) {
      let g = this.getDirection() === 1 ? {
        x: -p.x + this.shadow.pos.x,
        y: p.y - this.shadow.pos.y
      } : {
        x: p.x - this.shadow.pos.x,
        y: p.y - this.shadow.pos.y
      };
      g = Helper.GetRotatedPoint(g, {
        x: shadowTranslate,
        y: 100
      }, angle);
      polygon += g.x + 'px ' + g.y + 'px, ';
    }
    polygon = polygon.slice(0, -2);
    polygon += ')';
    const newStyle = `
            display: block;
            z-index: ${(this.getSettings().startZIndex + 10).toString(10)};
            width: ${innerShadowSize}px;
            height: ${rect.height * 2}px;
            background: linear-gradient(${shadowDirection},
                rgba(0, 0, 0, ${this.shadow.opacity}) 5%,
                rgba(0, 0, 0, 0.05) 15%,
                rgba(0, 0, 0, ${this.shadow.opacity}) 35%,
                rgba(0, 0, 0, 0) 100%);
            transform-origin: ${shadowTranslate}px 100px;
            transform: translate3d(${shadowPos.x - shadowTranslate}px, ${shadowPos.y - 100}px, 0) rotate(${angle}rad);
            clip-path: ${polygon};
            -webkit-clip-path: ${polygon};
        `;
    this.innerShadow.style.cssText = newStyle;
  }
  drawOuterShadow() {
    const rect = this.getRect();
    const shadowPos = this.convertToGlobal({
      x: this.shadow.pos.x,
      y: this.shadow.pos.y
    });
    const angle = this.shadow.angle + 3 * Math.PI / 2;
    const shadowTranslate = this.getDirection() === 1 ? this.shadow.width : 0;
    const shadowDirection = this.getDirection() === 0 ? 'to right' : 'to left';
    const clip = [{
      x: 0,
      y: 0
    }, {
      x: rect.pageWidth,
      y: 0
    }, {
      x: rect.pageWidth,
      y: rect.height
    }, {
      x: 0,
      y: rect.height
    }];
    let polygon = 'polygon( ';
    for (const p of clip) {
      if (p !== null) {
        let g = this.getDirection() === 1 ? {
          x: -p.x + this.shadow.pos.x,
          y: p.y - this.shadow.pos.y
        } : {
          x: p.x - this.shadow.pos.x,
          y: p.y - this.shadow.pos.y
        };
        g = Helper.GetRotatedPoint(g, {
          x: shadowTranslate,
          y: 100
        }, angle);
        polygon += g.x + 'px ' + g.y + 'px, ';
      }
    }
    polygon = polygon.slice(0, -2);
    polygon += ')';
    const newStyle = `
            display: block;
            z-index: ${(this.getSettings().startZIndex + 10).toString(10)};
            width: ${this.shadow.width}px;
            height: ${rect.height * 2}px;
            background: linear-gradient(${shadowDirection}, rgba(0, 0, 0, ${this.shadow.opacity}), rgba(0, 0, 0, 0));
            transform-origin: ${shadowTranslate}px 100px;
            transform: translate3d(${shadowPos.x - shadowTranslate}px, ${shadowPos.y - 100}px, 0) rotate(${angle}rad);
            clip-path: ${polygon};
            -webkit-clip-path: ${polygon};
        `;
    this.outerShadow.style.cssText = newStyle;
  }
  drawLeftPage() {
    if (this.orientation === "portrait" || this.leftPage === null) return;
    if (this.direction === 1 && this.flippingPage !== null && this.flippingPage.getDrawingDensity() === "hard") {
      const angle = this.flippingPage.getHardAngle();
      if (angle < -90) {
        this.leftPage.getElement().style.zIndex = (this.getSettings().startZIndex + 5).toString(10);
        this.leftPage.setHardDrawingAngle(180 + this.flippingPage.getHardAngle());
        this.leftPage.draw(this.flippingPage.getDrawingDensity());
      } else {
        this.leftPage.getElement().style.display = "none";
      }
    } else {
      this.leftPage.simpleDraw(0);
    }
  }
  drawRightPage() {
    if (this.rightPage === null) return;
    if (this.direction === 0 && this.flippingPage !== null && this.flippingPage.getDrawingDensity() === "hard") {
      const angle = this.flippingPage.getHardAngle();
      if (angle > 90) {
        this.rightPage.getElement().style.zIndex = (this.getSettings().startZIndex + 5).toString(10);
        this.rightPage.setHardDrawingAngle(180 + this.flippingPage.getHardAngle());
        this.rightPage.draw(this.flippingPage.getDrawingDensity());
      } else {
        this.rightPage.getElement().style.display = "none";
      }
    } else {
      this.rightPage.simpleDraw(1);
    }
  }
  drawBottomPage() {
    if (this.bottomPage === null) return;
    const tempDensity = this.flippingPage != null ? this.flippingPage.getDrawingDensity() : null;
    if (!(this.orientation === "portrait" && this.direction === 1)) {
      this.bottomPage.getElement().style.zIndex = (this.getSettings().startZIndex + 3).toString(10);
      this.bottomPage.draw(tempDensity);
    }
  }
  drawFrame() {
    if (this.flippingPage !== null) {
      if (this.flippingPage.getHardAngle() === this.lastAngle) {
        return;
      }
      this.lastAngle = this.flippingPage.getHardAngle();
    } else {
      this.lastAngle = -1234;
    }
    this.clear();
    this.drawLeftPage();
    this.drawRightPage();
    this.drawBottomPage();
    if (this.flippingPage != null) {
      const angle = this.flippingPage.state.hardDrawingAngle;
      if (angle <= 90) {
        this.flippingPage.getElement().style.zIndex = (this.getSettings().startZIndex + 5).toString(10);
        this.flippingPage.draw();
      } else {
        this.flippingPage.getElement().style.display = "none";
      }
    }
    if (this.shadow != null && this.flippingPage !== null) {
      if (this.flippingPage.getDrawingDensity() === "soft") {
        this.drawOuterShadow();
        this.drawInnerShadow();
      } else {
        this.drawHardOuterShadow();
        this.drawHardInnerShadow();
      }
    }
  }
  clear() {
    for (const page of this.app.getPageCollection().getPages()) {
      if (page !== this.leftPage && page !== this.rightPage && page !== this.flippingPage && page !== this.bottomPage) {
        const style = page.getElement().style;
        if (style.display !== 'none') {
          style.cssText = 'display: none';
        }
      }
      if (page.getTemporaryCopy() !== this.flippingPage) {
        page.hideTemporaryCopy();
      }
    }
  }
  update() {
    super.update();
    if (this.rightPage !== null) {
      this.rightPage.setOrientation(1);
    }
    if (this.leftPage !== null) {
      this.leftPage.setOrientation(0);
    }
  }
}
class Settings {
  constructor() {
    this._default = {
      startPage: 0,
      size: "fixed",
      width: 0,
      height: 0,
      minWidth: 0,
      maxWidth: 0,
      minHeight: 0,
      maxHeight: 0,
      drawShadow: true,
      flippingTime: 1000,
      usePortrait: true,
      startZIndex: 0,
      autoSize: true,
      maxShadowOpacity: 1,
      showCover: false,
      mobileScrollSupport: true,
      swipeDistance: 30,
      clickEventForward: true,
      useMouseEvents: true,
      showPageCorners: true,
      disableFlipByClick: false
    };
  }
  getSettings(userSetting) {
    const result = this._default;
    Object.assign(result, userSetting);
    if (result.size !== "stretch" && result.size !== "fixed") throw new Error('Invalid size type. Available only "fixed" and "stretch" value');
    if (result.width <= 0 || result.height <= 0) throw new Error('Invalid width or height');
    if (result.flippingTime <= 0) throw new Error('Invalid flipping time');
    if (result.size === "stretch") {
      if (result.minWidth <= 0) result.minWidth = 100;
      if (result.maxWidth < result.minWidth) result.maxWidth = 2000;
      if (result.minHeight <= 0) result.minHeight = 100;
      if (result.maxHeight < result.minHeight) result.maxHeight = 2000;
    } else {
      result.minWidth = result.width;
      result.maxWidth = result.width;
      result.minHeight = result.height;
      result.maxHeight = result.height;
    }
    return result;
  }
}
function styleInject(css, ref) {
  if (ref === void 0) ref = {};
  var insertAt = ref.insertAt;
  if (!css || typeof document === 'undefined') {
    return;
  }
  var head = document.head || document.getElementsByTagName('head')[0];
  var style = document.createElement('style');
  style.type = 'text/css';
  if (insertAt === 'top') {
    if (head.firstChild) {
      head.insertBefore(style, head.firstChild);
    } else {
      head.appendChild(style);
    }
  } else {
    head.appendChild(style);
  }
  if (style.styleSheet) {
    style.styleSheet.cssText = css;
  } else {
    style.appendChild(document.createTextNode(css));
  }
}
var css_248z = ".stf__parent {\n  position: relative;\n  display: block;\n  box-sizing: border-box;\n  transform: translateZ(0);\n\n  -ms-touch-action: pan-y;\n  touch-action: pan-y;\n}\n\n.sft__wrapper {\n  position: relative;\n  width: 100%;\n  box-sizing: border-box;\n}\n\n.stf__parent canvas {\n  position: absolute;\n  width: 100%;\n  height: 100%;\n  left: 0;\n  top: 0;\n}\n\n.stf__block {\n  position: absolute;\n  width: 100%;\n  height: 100%;\n  box-sizing: border-box;\n  perspective: 2000px;\n}\n\n.stf__item {\n  display: none;\n  position: absolute;\n  transform-style: preserve-3d;\n}\n\n.stf__outerShadow {\n  position: absolute;\n  left: 0;\n  top: 0;\n}\n\n.stf__innerShadow {\n  position: absolute;\n  left: 0;\n  top: 0;\n}\n\n.stf__hardShadow {\n  position: absolute;\n  left: 0;\n  top: 0;\n}\n\n.stf__hardInnerShadow {\n  position: absolute;\n  left: 0;\n  top: 0;\n}";
styleInject(css_248z);
class PageFlip extends EventObject {
  constructor(inBlock, setting) {
    super();
    this.isUserTouch = false;
    this.isUserMove = false;
    this.setting = null;
    this.pages = null;
    this.setting = new Settings().getSettings(setting);
    this.block = inBlock;
  }
  destroy() {
    this.ui.destroy();
    this.block.remove();
  }
  update() {
    this.render.update();
    this.pages.show();
  }
  loadFromImages(imagesHref) {
    this.ui = new CanvasUI(this.block, this, this.setting);
    const canvas = this.ui.getCanvas();
    this.render = new CanvasRender(this, this.setting, canvas);
    this.flipController = new Flip(this.render, this);
    this.pages = new ImagePageCollection(this, this.render, imagesHref);
    this.pages.load();
    this.render.start();
    this.pages.show(this.setting.startPage);
    setTimeout(() => {
      this.ui.update();
      this.trigger('init', this, {
        page: this.setting.startPage,
        mode: this.render.getOrientation()
      });
    }, 1);
  }
  loadFromHTML(items) {
    this.ui = new HTMLUI(this.block, this, this.setting, items);
    this.render = new HTMLRender(this, this.setting, this.ui.getDistElement());
    this.flipController = new Flip(this.render, this);
    this.pages = new HTMLPageCollection(this, this.render, this.ui.getDistElement(), items);
    this.pages.load();
    this.render.start();
    this.pages.show(this.setting.startPage);
    setTimeout(() => {
      this.ui.update();
      this.trigger('init', this, {
        page: this.setting.startPage,
        mode: this.render.getOrientation()
      });
    }, 1);
  }
  updateFromImages(imagesHref) {
    const current = this.pages.getCurrentPageIndex();
    this.pages.destroy();
    this.pages = new ImagePageCollection(this, this.render, imagesHref);
    this.pages.load();
    this.pages.show(current);
    this.trigger('update', this, {
      page: current,
      mode: this.render.getOrientation()
    });
  }
  updateFromHtml(items) {
    const current = this.pages.getCurrentPageIndex();
    this.pages.destroy();
    this.pages = new HTMLPageCollection(this, this.render, this.ui.getDistElement(), items);
    this.pages.load();
    this.ui.updateItems(items);
    this.render.reload();
    this.pages.show(current);
    this.trigger('update', this, {
      page: current,
      mode: this.render.getOrientation()
    });
  }
  clear() {
    this.pages.destroy();
    this.ui.clear();
  }
  turnToPrevPage() {
    this.pages.showPrev();
  }
  turnToNextPage() {
    this.pages.showNext();
  }
  turnToPage(page) {
    this.pages.show(page);
  }
  flipNext(corner = "top") {
    this.flipController.flipNext(corner);
  }
  flipPrev(corner = "top") {
    this.flipController.flipPrev(corner);
  }
  flip(page, corner = "top") {
    this.flipController.flipToPage(page, corner);
  }
  updateState(newState) {
    this.trigger('changeState', this, newState);
  }
  updatePageIndex(newPage) {
    this.trigger('flip', this, newPage);
  }
  updateOrientation(newOrientation) {
    this.ui.setOrientationStyle(newOrientation);
    this.update();
    this.trigger('changeOrientation', this, newOrientation);
  }
  getPageCount() {
    return this.pages.getPageCount();
  }
  getCurrentPageIndex() {
    return this.pages.getCurrentPageIndex();
  }
  getPage(pageIndex) {
    return this.pages.getPage(pageIndex);
  }
  getRender() {
    return this.render;
  }
  getFlipController() {
    return this.flipController;
  }
  getOrientation() {
    return this.render.getOrientation();
  }
  getBoundsRect() {
    return this.render.getRect();
  }
  getSettings() {
    return this.setting;
  }
  getUI() {
    return this.ui;
  }
  getState() {
    return this.flipController.getState();
  }
  getPageCollection() {
    return this.pages;
  }
  startUserTouch(pos) {
    this.mousePosition = pos;
    this.isUserTouch = true;
    this.isUserMove = false;
  }
  userMove(pos, isTouch) {
    if (!this.isUserTouch && !isTouch && this.setting.showPageCorners) {
      this.flipController.showCorner(pos);
    } else if (this.isUserTouch) {
      if (Helper.GetDistanceBetweenTwoPoint(this.mousePosition, pos) > 5) {
        this.isUserMove = true;
        this.flipController.fold(pos);
      }
    }
  }
  userStop(pos, isSwipe = false) {
    if (this.isUserTouch) {
      this.isUserTouch = false;
      if (!isSwipe) {
        if (!this.isUserMove) this.flipController.flip(pos);else this.flipController.stopMove();
      }
    }
  }
}
exports.PageFlip = PageFlip;

/***/ }),
/* 34 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFPageView = void 0;
var _pdfjsLib = __webpack_require__(4);
var _ui_utils = __webpack_require__(3);
var _annotation_editor_layer_builder = __webpack_require__(35);
var _annotation_layer_builder = __webpack_require__(36);
var _app_options = __webpack_require__(5);
var _l10n_utils = __webpack_require__(32);
var _pdf_link_service = __webpack_require__(7);
var _struct_tree_layer_builder = __webpack_require__(37);
var _text_accessibility = __webpack_require__(38);
var _canvasSize = _interopRequireDefault(__webpack_require__(39));
var _util = __webpack_require__(40);
var _text_highlighter = __webpack_require__(41);
var _text_layer_builder = __webpack_require__(42);
var _xfa_layer_builder = __webpack_require__(43);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const MAX_CANVAS_PIXELS = _app_options.compatibilityParams.maxCanvasPixels || 16777216;
const DEFAULT_LAYER_PROPERTIES = () => {
  return null;
};
class PDFPageView {
  #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
  #layerProperties = null;
  #loadingId = null;
  #previousRotation = null;
  #renderingState = _ui_utils.RenderingStates.INITIAL;
  #useThumbnailCanvas = {
    initialOptionalContent: true,
    regularAnnotations: true
  };
  constructor(options) {
    const container = options.container;
    const defaultViewport = options.defaultViewport;
    this.id = options.id;
    this.renderingId = "page" + this.id;
    this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES;
    this.pdfPage = null;
    this.pageLabel = null;
    this.rotation = 0;
    this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
    this.viewport = defaultViewport;
    this.pdfPageRotate = defaultViewport.rotation;
    this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
    this.hasRestrictedScaling = false;
    this.textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
    this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
    this.imageResourcesPath = options.imageResourcesPath || "";
    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
    this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true;
    this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
    this.pageColors = options.pageColors || null;
    this.eventBus = options.eventBus;
    this.renderingQueue = options.renderingQueue;
    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
    this.l10n = options.l10n || _l10n_utils.NullL10n;
    this.paintTask = null;
    this.paintedViewportMap = new WeakMap();
    this.resume = null;
    this._renderError = null;
    this._isStandalone = !this.renderingQueue?.hasViewer();
    this._annotationCanvasMap = null;
    this.annotationLayer = null;
    this.annotationEditorLayer = null;
    this.textLayer = null;
    this.zoomLayer = null;
    this.xfaLayer = null;
    this.structTreeLayer = null;
    const div = document.createElement("div");
    div.className = "page";
    div.setAttribute("data-page-number", this.id);
    div.setAttribute("role", "region");
    this.l10n.get("page_landmark", {
      page: this.id
    }).then(msg => {
      div.setAttribute("aria-label", msg);
    });
    this.div = div;
    this.#setDimensions();
    container?.append(div);
    if (this._isStandalone) {
      container?.style.setProperty("--scale-factor", this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS);
      const {
        optionalContentConfigPromise
      } = options;
      if (optionalContentConfigPromise) {
        optionalContentConfigPromise.then(optionalContentConfig => {
          if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
            return;
          }
          this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
        });
      }
    }
  }
  get renderingState() {
    return this.#renderingState;
  }
  set renderingState(state) {
    if (state === this.#renderingState) {
      return;
    }
    this.#renderingState = state;
    if (this.#loadingId) {
      clearTimeout(this.#loadingId);
      this.#loadingId = null;
    }
    switch (state) {
      case _ui_utils.RenderingStates.PAUSED:
        this.div.classList.remove("loading");
        break;
      case _ui_utils.RenderingStates.RUNNING:
        this.div.classList.add("loadingIcon");
        this.#loadingId = setTimeout(() => {
          this.div.classList.add("loading");
          this.#loadingId = null;
        }, 0);
        break;
      case _ui_utils.RenderingStates.INITIAL:
      case _ui_utils.RenderingStates.FINISHED:
        this.div.classList.remove("loadingIcon", "loading");
        break;
    }
  }
  #setDimensions() {
    const {
      viewport
    } = this;
    if (this.pdfPage) {
      if (this.#previousRotation === viewport.rotation) {
        return;
      }
      this.#previousRotation = viewport.rotation;
    }
    (0, _pdfjsLib.setLayerDimensions)(this.div, viewport, true, false);
  }
  setPdfPage(pdfPage) {
    this.pdfPage = pdfPage;
    this.pdfPageRotate = pdfPage.rotate;
    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
    this.viewport = pdfPage.getViewport({
      scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
      rotation: totalRotation
    });
    this.#setDimensions();
    this.reset();
  }
  destroy() {
    this.reset();
    this.pdfPage?.cleanup();
  }
  get _textHighlighter() {
    return (0, _pdfjsLib.shadow)(this, "_textHighlighter", new _text_highlighter.TextHighlighter({
      pageIndex: this.id - 1,
      eventBus: this.eventBus,
      findController: this.#layerProperties().findController
    }));
  }
  async #renderAnnotationLayer() {
    let error = null;
    try {
      await this.annotationLayer.render(this.viewport, "display");
    } catch (ex) {
      console.error(`#renderAnnotationLayer: "${ex}".`);
      error = ex;
    } finally {
      this.eventBus.dispatch("annotationlayerrendered", {
        source: this,
        pageNumber: this.id,
        error
      });
    }
  }
  async #renderAnnotationEditorLayer() {
    let error = null;
    try {
      await this.annotationEditorLayer.render(this.viewport, "display");
    } catch (ex) {
      console.error(`#renderAnnotationEditorLayer: "${ex}".`);
      error = ex;
    } finally {
      this.eventBus.dispatch("annotationeditorlayerrendered", {
        source: this,
        pageNumber: this.id,
        error
      });
    }
  }
  async #renderXfaLayer() {
    let error = null;
    try {
      const result = await this.xfaLayer.render(this.viewport, "display");
      if (result?.textDivs && this._textHighlighter) {
        this.#buildXfaTextContentItems(result.textDivs);
      }
    } catch (ex) {
      console.error(`#renderXfaLayer: "${ex}".`);
      error = ex;
    } finally {
      this.eventBus.dispatch("xfalayerrendered", {
        source: this,
        pageNumber: this.id,
        error
      });
    }
  }
  async #renderTextLayer() {
    const {
      pdfPage,
      textLayer,
      viewport
    } = this;
    if (!textLayer) {
      return;
    }
    let error = null;
    try {
      if (!textLayer.renderingDone) {
        const readableStream = pdfPage.streamTextContent({
          includeMarkedContent: true
        });
        textLayer.setTextContentSource(readableStream);
      }
      await textLayer.render(viewport);
    } catch (ex) {
      if (ex instanceof _pdfjsLib.AbortException) {
        return;
      }
      console.error(`#renderTextLayer: "${ex}".`);
      error = ex;
    }
    this.eventBus.dispatch("textlayerrendered", {
      source: this,
      pageNumber: this.id,
      numTextDivs: textLayer.numTextDivs,
      error
    });
    this.#renderStructTreeLayer();
  }
  async #renderStructTreeLayer() {
    if (!this.textLayer) {
      return;
    }
    this.structTreeLayer ||= new _struct_tree_layer_builder.StructTreeLayerBuilder();
    const tree = await (!this.structTreeLayer.renderingDone ? this.pdfPage.getStructTree() : null);
    const treeDom = this.structTreeLayer?.render(tree);
    if (treeDom) {
      this.canvas?.append(treeDom);
    }
    this.structTreeLayer?.show();
  }
  async #buildXfaTextContentItems(textDivs) {
    const text = await this.pdfPage.getTextContent();
    const items = [];
    for (const item of text.items) {
      items.push(item.str);
    }
    this._textHighlighter.setTextMapping(textDivs, items);
    this._textHighlighter.enable();
  }
  _resetZoomLayer(removeFromDOM = false) {
    if (!this.zoomLayer) {
      return;
    }
    const zoomLayerCanvas = this.zoomLayer.firstChild;
    this.paintedViewportMap.delete(zoomLayerCanvas);
    zoomLayerCanvas.width = 0;
    zoomLayerCanvas.height = 0;
    if (removeFromDOM) {
      this.zoomLayer.remove();
    }
    this.zoomLayer = null;
  }
  reset({
    keepZoomLayer = false,
    keepAnnotationLayer = false,
    keepAnnotationEditorLayer = false,
    keepXfaLayer = false,
    keepTextLayer = false
  } = {}) {
    this.cancelRendering({
      keepAnnotationLayer,
      keepAnnotationEditorLayer,
      keepXfaLayer,
      keepTextLayer
    });
    this.renderingState = _ui_utils.RenderingStates.INITIAL;
    const div = this.div;
    const childNodes = div.childNodes,
      zoomLayerNode = keepZoomLayer && this.zoomLayer || null,
      annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null,
      annotationEditorLayerNode = keepAnnotationEditorLayer && this.annotationEditorLayer?.div || null,
      xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null,
      textLayerNode = keepTextLayer && this.textLayer?.div || null;
    for (let i = childNodes.length - 1; i >= 0; i--) {
      const node = childNodes[i];
      switch (node) {
        case zoomLayerNode:
        case annotationLayerNode:
        case annotationEditorLayerNode:
        case xfaLayerNode:
        case textLayerNode:
          continue;
      }
      node.remove();
    }
    div.removeAttribute("data-loaded");
    if (annotationLayerNode) {
      this.annotationLayer.hide();
    }
    if (annotationEditorLayerNode) {
      this.annotationEditorLayer.hide();
    }
    if (xfaLayerNode) {
      this.xfaLayer.hide();
    }
    if (textLayerNode) {
      this.textLayer.hide();
    }
    this.structTreeLayer?.hide();
    if (!zoomLayerNode) {
      if (this.canvas) {
        this.paintedViewportMap.delete(this.canvas);
        this.canvas.width = 0;
        this.canvas.height = 0;
        delete this.canvas;
      }
      this._resetZoomLayer();
    }
    if (this.svg) {
      this.paintedViewportMap.delete(this.svg);
      delete this.svg;
    }
  }
  update({
    scale = 0,
    rotation = null,
    optionalContentConfigPromise = null,
    drawingDelay = -1
  }) {
    this.scale = scale || this.scale;
    if (typeof rotation === "number") {
      this.rotation = rotation;
    }
    if (optionalContentConfigPromise instanceof Promise) {
      this._optionalContentConfigPromise = optionalContentConfigPromise;
      optionalContentConfigPromise.then(optionalContentConfig => {
        if (optionalContentConfigPromise !== this._optionalContentConfigPromise) {
          return;
        }
        this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility;
      });
    }
    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
    this.viewport = this.viewport.clone({
      scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
      rotation: totalRotation
    });
    this.#setDimensions();
    if (this._isStandalone) {
      this.div.parentNode?.style.setProperty("--scale-factor", this.viewport.scale);
    }
    if (this.svg) {
      this.cssTransform({
        target: this.svg,
        redrawAnnotationLayer: true,
        redrawAnnotationEditorLayer: true,
        redrawXfaLayer: true,
        redrawTextLayer: true
      });
      this.eventBus.dispatch("pagerendered", {
        source: this,
        pageNumber: this.id,
        cssTransform: true,
        timestamp: performance.now(),
        error: this._renderError
      });
      return;
    }
    let isScalingRestricted = false;
    if (this.canvas && this.maxCanvasPixels > 0) {
      const outputScale = this.outputScale;
      if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
        isScalingRestricted = true;
      }
    }
    const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
    if (this.canvas) {
      if (postponeDrawing || this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
        if (postponeDrawing && this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
          this.cancelRendering({
            keepZoomLayer: true,
            keepAnnotationLayer: true,
            keepAnnotationEditorLayer: true,
            keepXfaLayer: true,
            keepTextLayer: true,
            cancelExtraDelay: drawingDelay
          });
          this.renderingState = _ui_utils.RenderingStates.FINISHED;
        }
        this.cssTransform({
          target: this.canvas,
          redrawAnnotationLayer: true,
          redrawAnnotationEditorLayer: true,
          redrawXfaLayer: true,
          redrawTextLayer: !postponeDrawing,
          hideTextLayer: postponeDrawing
        });
        this.eventBus.dispatch("pagerendered", {
          source: this,
          pageNumber: this.id,
          cssTransform: true,
          timestamp: performance.now(),
          error: this._renderError
        });
        return;
      }
      if (!this.zoomLayer && !this.canvas.hidden) {
        this.zoomLayer = this.canvas.parentNode;
        this.zoomLayer.style.position = "absolute";
      }
    }
    if (this.zoomLayer) {
      this.cssTransform({
        target: this.zoomLayer.firstChild
      });
    }
    this.reset({
      keepZoomLayer: true,
      keepAnnotationLayer: true,
      keepAnnotationEditorLayer: true,
      keepXfaLayer: true,
      keepTextLayer: true
    });
  }
  cancelRendering({
    keepAnnotationLayer = false,
    keepAnnotationEditorLayer = false,
    keepXfaLayer = false,
    keepTextLayer = false,
    cancelExtraDelay = 0
  } = {}) {
    if (this.paintTask) {
      this.paintTask.cancel(cancelExtraDelay);
      this.paintTask = null;
    }
    this.resume = null;
    if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) {
      this.textLayer.cancel();
      this.textLayer = null;
    }
    if (this.structTreeLayer && !this.textLayer) {
      this.structTreeLayer = null;
    }
    if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) {
      this.annotationLayer.cancel();
      this.annotationLayer = null;
      this._annotationCanvasMap = null;
    }
    if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) {
      this.annotationEditorLayer.cancel();
      this.annotationEditorLayer = null;
    }
    if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) {
      this.xfaLayer.cancel();
      this.xfaLayer = null;
      this._textHighlighter?.disable();
    }
  }
  cssTransform({
    target,
    redrawAnnotationLayer = false,
    redrawAnnotationEditorLayer = false,
    redrawXfaLayer = false,
    redrawTextLayer = false,
    hideTextLayer = false
  }) {
    if (target instanceof HTMLCanvasElement) {
      if (!target.hasAttribute("zooming")) {
        target.setAttribute("zooming", true);
        const {
          style
        } = target;
        style.width = style.height = "";
      }
    } else {
      const div = this.div;
      const {
        width,
        height
      } = this.viewport;
      target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + "px";
      target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + "px";
    }
    const originalViewport = this.paintedViewportMap.get(target);
    if (this.viewport !== originalViewport) {
      const relativeRotation = this.viewport.rotation - originalViewport.rotation;
      const absRotation = Math.abs(relativeRotation);
      let scaleX = 1,
        scaleY = 1;
      if (absRotation === 90 || absRotation === 270) {
        const {
          width,
          height
        } = this.viewport;
        scaleX = height / width;
        scaleY = width / height;
      }
      if (absRotation !== 0) {
        target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`;
      }
    }
    if (redrawAnnotationLayer && this.annotationLayer) {
      this.#renderAnnotationLayer();
    }
    if (redrawAnnotationEditorLayer && this.annotationEditorLayer) {
      this.#renderAnnotationEditorLayer();
    }
    if (redrawXfaLayer && this.xfaLayer) {
      this.#renderXfaLayer();
    }
    if (this.textLayer) {
      if (hideTextLayer) {
        this.textLayer.hide();
        this.structTreeLayer?.hide();
      } else if (redrawTextLayer) {
        this.#renderTextLayer();
      }
    }
  }
  get width() {
    return this.viewport.width;
  }
  get height() {
    return this.viewport.height;
  }
  getPagePoint(x, y) {
    return this.viewport.convertToPdfPoint(x, y);
  }
  draw() {
    if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
      Window['ngxConsole'].error("Must be in new state before drawing");
      this.reset();
    }
    const {
      div,
      pdfPage
    } = this;
    if (!pdfPage) {
      this.renderingState = _ui_utils.RenderingStates.FINISHED;
      return Promise.reject(new Error("pdfPage is not loaded"));
    }
    this.renderingState = _ui_utils.RenderingStates.RUNNING;
    const canvasWrapper = document.createElement("div");
    canvasWrapper.classList.add("canvasWrapper");
    div.append(canvasWrapper);
    if (!this.textLayer && this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && !pdfPage.isPureXfa) {
      this._accessibilityManager ||= new _text_accessibility.TextAccessibilityManager();
      this.textLayer = new _text_layer_builder.TextLayerBuilder({
        highlighter: this._textHighlighter,
        accessibilityManager: this._accessibilityManager,
        isOffscreenCanvasSupported: this.isOffscreenCanvasSupported
      });
      div.append(this.textLayer.div);
    }
    if (!this.annotationLayer && this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE) {
      const {
        annotationStorage,
        downloadManager,
        enableScripting,
        fieldObjectsPromise,
        hasJSActionsPromise,
        linkService
      } = this.#layerProperties();
      this._annotationCanvasMap ||= new Map();
      this.annotationLayer = new _annotation_layer_builder.AnnotationLayerBuilder({
        pageDiv: div,
        pdfPage,
        annotationStorage,
        imageResourcesPath: this.imageResourcesPath,
        renderForms: this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS,
        linkService,
        downloadManager,
        l10n: this.l10n,
        enableScripting,
        hasJSActionsPromise,
        fieldObjectsPromise,
        annotationCanvasMap: this._annotationCanvasMap,
        accessibilityManager: this._accessibilityManager
      });
    }
    let renderContinueCallback = null;
    if (this.renderingQueue) {
      renderContinueCallback = cont => {
        if (!this.renderingQueue.isHighestPriority(this)) {
          this.renderingState = _ui_utils.RenderingStates.PAUSED;
          this.resume = () => {
            this.renderingState = _ui_utils.RenderingStates.RUNNING;
            cont();
          };
          return;
        }
        cont();
      };
    }
    const finishPaintTask = async (error = null) => {
      if (paintTask === this.paintTask) {
        this.paintTask = null;
      }
      if (error instanceof _pdfjsLib.RenderingCancelledException) {
        this._renderError = null;
        return;
      }
      this._renderError = error;
      this.renderingState = _ui_utils.RenderingStates.FINISHED;
      this._resetZoomLayer(true);
      this.#useThumbnailCanvas.regularAnnotations = !paintTask.separateAnnots;
      this.eventBus.dispatch("pagerendered", {
        source: this,
        pageNumber: this.id,
        cssTransform: false,
        timestamp: performance.now(),
        error: this._renderError
      });
      if (error) {
        throw error;
      }
    };
    const paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
    paintTask.onRenderContinue = renderContinueCallback;
    this.paintTask = paintTask;
    const resultPromise = paintTask.promise.then(() => {
      return finishPaintTask(null).then(async () => {
        this.#renderTextLayer();
        if (this.annotationLayer) {
          await this.#renderAnnotationLayer();
        }
        if (!this.annotationEditorLayer) {
          const {
            annotationEditorUIManager
          } = this.#layerProperties();
          if (!annotationEditorUIManager) {
            return;
          }
          this.annotationEditorLayer = new _annotation_editor_layer_builder.AnnotationEditorLayerBuilder({
            uiManager: annotationEditorUIManager,
            pageDiv: div,
            pdfPage,
            l10n: this.l10n,
            accessibilityManager: this._accessibilityManager
          });
        }
        this.#renderAnnotationEditorLayer();
      });
    }, function (reason) {
      return finishPaintTask(reason);
    });
    if (pdfPage.isPureXfa) {
      if (!this.xfaLayer) {
        const {
          annotationStorage,
          linkService
        } = this.#layerProperties();
        this.xfaLayer = new _xfa_layer_builder.XfaLayerBuilder({
          pageDiv: div,
          pdfPage,
          annotationStorage,
          linkService
        });
      } else if (this.xfaLayer.div) {
        div.append(this.xfaLayer.div);
      }
      this.#renderXfaLayer();
    }
    div.setAttribute("data-loaded", true);
    this.eventBus.dispatch("pagerender", {
      source: this,
      pageNumber: this.id
    });
    return resultPromise;
  }
  paintOnCanvas(canvasWrapper) {
    const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
    const result = {
      promise: renderCapability.promise,
      onRenderContinue(cont) {
        cont();
      },
      cancel(extraDelay = 0) {
        renderTask.cancel(extraDelay);
      },
      get separateAnnots() {
        return renderTask.separateAnnots;
      }
    };
    const viewport = this.viewport;
    let {
      width,
      height
    } = viewport;
    const canvas = document.createElement("canvas");
    canvas.setAttribute("role", "presentation");
    canvas.hidden = true;
    let isCanvasHidden = true;
    const showCanvas = function () {
      if (isCanvasHidden) {
        canvas.hidden = false;
        isCanvasHidden = false;
      }
    };
    canvasWrapper.append(canvas);
    this.canvas = canvas;
    const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true,
      alpha: false
    } : {
      alpha: false
    };
    const ctx = canvas.getContext("2d", options);
    const outputScale = this.outputScale = new _ui_utils.OutputScale();
    if (this.useOnlyCssZoom) {
      const actualSizeViewport = viewport.clone({
        scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
      });
      outputScale.sx *= actualSizeViewport.width / width;
      outputScale.sy *= actualSizeViewport.height / height;
    }
    if (this.maxCanvasPixels > 0) {
      const pixelsInViewport = width * height;
      const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
      if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
        outputScale.sx = maxScale;
        outputScale.sy = maxScale;
        this.hasRestrictedScaling = true;
      } else {
        this.hasRestrictedScaling = false;
      }
    }
    const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
    const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
    width = (0, _ui_utils.roundToDivide)(width * outputScale.sx, sfx[0]);
    height = (0, _ui_utils.roundToDivide)(height * outputScale.sy, sfy[0]);
    let divisor = 1;
    if (width >= 4096 || height >= 4096) {
      if (!!this.maxWidth || !_canvasSize.default.test({
        width,
        height
      })) {
        const max = this.determineMaxDimensions();
        divisor = Math.max(width / max, height / max);
        if (divisor > 1) {
          const newScale = Math.floor(100 * this.scale / divisor) / 100;
          divisor = this.scale / newScale;
          viewport.width /= divisor;
          viewport.height /= divisor;
          (0, _util.warn)(`Page ${this.id}: Reduced the maximum zoom to ${newScale} because the browser can't render larger canvases.`);
        } else {
          divisor = 1;
        }
      }
    }
    canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
    canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
    const {
      style
    } = canvas;
    style.width = (0, _ui_utils.roundToDivide)(viewport.width * divisor, sfx[1]) + "px";
    style.height = (0, _ui_utils.roundToDivide)(viewport.height * divisor, sfy[1]) + "px";
    this.paintedViewportMap.set(canvas, viewport);
    const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
    let background = PDFViewerApplicationOptions.get("pdfBackgroundColor");
    if (typeof background === "function") {
      const backgroundColor = background({
        pageNumber: this.id,
        pageLabel: this.pageLabel
      });
      if (backgroundColor) {
        background = backgroundColor;
      }
    }
    let backgroundColorToReplace = background ? PDFViewerApplicationOptions.get("pdfBackgroundColorToReplace") : null;
    if (typeof backgroundColorToReplace === "function") {
      const colorToReplace = backgroundColorToReplace({
        pageNumber: this.id,
        pageLabel: this.pageLabel
      });
      if (colorToReplace) {
        backgroundColorToReplace = colorToReplace;
      }
    }
    const renderContext = {
      canvasContext: ctx,
      transform,
      viewport,
      annotationMode: this.#annotationMode,
      optionalContentConfigPromise: this._optionalContentConfigPromise,
      background,
      backgroundColorToReplace,
      annotationCanvasMap: this._annotationCanvasMap,
      pageColors: this.pageColors
    };
    const renderTask = this.pdfPage.render(renderContext);
    renderTask.onContinue = function (cont) {
      showCanvas();
      if (result.onRenderContinue) {
        result.onRenderContinue(cont);
      } else {
        cont();
      }
    };
    renderTask.promise.then(function () {
      showCanvas();
      renderCapability.resolve();
    }, function (error) {
      if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
        showCanvas();
      }
      renderCapability.reject(error);
    });
    return result;
  }
  paintOnSvg(wrapper) {
    let cancelled = false;
    const ensureNotCancelled = () => {
      if (cancelled) {
        throw new _pdfjsLib.RenderingCancelledException(`Rendering cancelled, page ${this.id}`, "svg");
      }
    };
    const pdfPage = this.pdfPage;
    const actualSizeViewport = this.viewport.clone({
      scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
    });
    const promise = pdfPage.getOperatorList({
      annotationMode: this.#annotationMode
    }).then(opList => {
      ensureNotCancelled();
      const svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
      return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {
        ensureNotCancelled();
        this.svg = svg;
        this.paintedViewportMap.set(svg, actualSizeViewport);
        svg.style.width = wrapper.style.width;
        svg.style.height = wrapper.style.height;
        this.renderingState = _ui_utils.RenderingStates.FINISHED;
        wrapper.append(svg);
      });
    });
    return {
      promise,
      onRenderContinue(cont) {
        cont();
      },
      cancel() {
        cancelled = true;
      },
      get separateAnnots() {
        return false;
      }
    };
  }
  setPageLabel(label) {
    this.pageLabel = typeof label === "string" ? label : null;
    if (this.pageLabel !== null) {
      this.div.setAttribute("data-page-label", this.pageLabel);
    } else {
      this.div.removeAttribute("data-page-label");
    }
  }
  determineMaxDimensions() {
    if (this.maxWidth) {
      return this.maxWidth;
    }
    const checklist = [4096, 8192, 10836, 11180, 11402, 14188, 16384];
    for (const width of checklist) {
      if (!_canvasSize.default.test({
        width: width + 1,
        height: width + 1
      })) {
        this.maxWidth = width;
        return this.maxWidth;
      }
    }
    return 16384;
  }
  get thumbnailCanvas() {
    const {
      initialOptionalContent,
      regularAnnotations
    } = this.#useThumbnailCanvas;
    return initialOptionalContent && regularAnnotations ? this.canvas : null;
  }
}
exports.PDFPageView = PDFPageView;

/***/ }),
/* 35 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.AnnotationEditorLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
var _l10n_utils = __webpack_require__(32);
class AnnotationEditorLayerBuilder {
  #uiManager;
  constructor(options) {
    this.pageDiv = options.pageDiv;
    this.pdfPage = options.pdfPage;
    this.accessibilityManager = options.accessibilityManager;
    this.l10n = options.l10n || _l10n_utils.NullL10n;
    this.annotationEditorLayer = null;
    this.div = null;
    this._cancelled = false;
    this.#uiManager = options.uiManager;
  }
  async render(viewport, intent = "display") {
    if (intent !== "display") {
      return;
    }
    if (this._cancelled) {
      return;
    }
    const clonedViewport = viewport.clone({
      dontFlip: true
    });
    if (this.div) {
      this.annotationEditorLayer.update({
        viewport: clonedViewport
      });
      this.show();
      return;
    }
    const div = this.div = document.createElement("div");
    div.className = "annotationEditorLayer";
    div.tabIndex = 0;
    div.hidden = true;
    this.pageDiv.append(div);
    this.annotationEditorLayer = new _pdfjsLib.AnnotationEditorLayer({
      uiManager: this.#uiManager,
      div,
      accessibilityManager: this.accessibilityManager,
      pageIndex: this.pdfPage.pageNumber - 1,
      l10n: this.l10n,
      viewport: clonedViewport
    });
    const parameters = {
      viewport: clonedViewport,
      div,
      annotations: null,
      intent
    };
    this.annotationEditorLayer.render(parameters);
    this.show();
  }
  cancel() {
    this._cancelled = true;
    if (!this.div) {
      return;
    }
    this.pageDiv = null;
    this.annotationEditorLayer.destroy();
    this.div.remove();
  }
  hide() {
    if (!this.div) {
      return;
    }
    this.div.hidden = true;
  }
  show() {
    if (!this.div || this.annotationEditorLayer.isEmpty) {
      return;
    }
    this.div.hidden = false;
  }
}
exports.AnnotationEditorLayerBuilder = AnnotationEditorLayerBuilder;

/***/ }),
/* 36 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.AnnotationLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
var _l10n_utils = __webpack_require__(32);
var _ui_utils = __webpack_require__(3);
class AnnotationLayerBuilder {
  #numAnnotations = 0;
  #onPresentationModeChanged = null;
  constructor({
    pageDiv,
    pdfPage,
    linkService,
    downloadManager,
    annotationStorage = null,
    imageResourcesPath = "",
    renderForms = true,
    l10n = _l10n_utils.NullL10n,
    enableScripting = false,
    hasJSActionsPromise = null,
    fieldObjectsPromise = null,
    annotationCanvasMap = null,
    accessibilityManager = null
  }) {
    this.pageDiv = pageDiv;
    this.pdfPage = pdfPage;
    this.linkService = linkService;
    this.downloadManager = downloadManager;
    this.imageResourcesPath = imageResourcesPath;
    this.renderForms = renderForms;
    this.l10n = l10n;
    this.annotationStorage = annotationStorage;
    this.enableScripting = enableScripting;
    this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false);
    this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null);
    this._annotationCanvasMap = annotationCanvasMap;
    this._accessibilityManager = accessibilityManager;
    this.div = null;
    this._cancelled = false;
    this._eventBus = linkService.eventBus;
  }
  async render(viewport, intent = "display") {
    if (this.div) {
      if (this._cancelled || this.#numAnnotations === 0) {
        return;
      }
      _pdfjsLib.AnnotationLayer.update({
        viewport: viewport.clone({
          dontFlip: true
        }),
        div: this.div,
        annotationCanvasMap: this._annotationCanvasMap
      });
      return;
    }
    const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({
      intent
    }), this._hasJSActionsPromise, this._fieldObjectsPromise]);
    if (this._cancelled) {
      return;
    }
    this.#numAnnotations = annotations.length;
    this.div = document.createElement("div");
    this.div.className = "annotationLayer";
    this.pageDiv.append(this.div);
    if (this.#numAnnotations === 0) {
      this.hide();
      return;
    }
    _pdfjsLib.AnnotationLayer.render({
      viewport: viewport.clone({
        dontFlip: true
      }),
      div: this.div,
      annotations,
      page: this.pdfPage,
      imageResourcesPath: this.imageResourcesPath,
      renderForms: this.renderForms,
      linkService: this.linkService,
      downloadManager: this.downloadManager,
      annotationStorage: this.annotationStorage,
      enableScripting: this.enableScripting,
      hasJSActions,
      fieldObjects,
      annotationCanvasMap: this._annotationCanvasMap,
      accessibilityManager: this._accessibilityManager
    });
    this.l10n.translate(this.div);
    if (this.linkService.isInPresentationMode) {
      this.#updatePresentationModeState(_ui_utils.PresentationModeState.FULLSCREEN);
    }
    if (!this.#onPresentationModeChanged) {
      this.#onPresentationModeChanged = evt => {
        this.#updatePresentationModeState(evt.state);
      };
      this._eventBus?._on("presentationmodechanged", this.#onPresentationModeChanged);
    }
  }
  cancel() {
    this._cancelled = true;
    if (this.#onPresentationModeChanged) {
      this._eventBus?._off("presentationmodechanged", this.#onPresentationModeChanged);
      this.#onPresentationModeChanged = null;
    }
  }
  hide() {
    if (!this.div) {
      return;
    }
    this.div.hidden = true;
  }
  #updatePresentationModeState(state) {
    if (!this.div) {
      return;
    }
    let disableFormElements = false;
    switch (state) {
      case _ui_utils.PresentationModeState.FULLSCREEN:
        disableFormElements = true;
        break;
      case _ui_utils.PresentationModeState.NORMAL:
        break;
      default:
        return;
    }
    for (const section of this.div.childNodes) {
      if (section.hasAttribute("data-internal-link")) {
        continue;
      }
      section.inert = disableFormElements;
    }
  }
}
exports.AnnotationLayerBuilder = AnnotationLayerBuilder;

/***/ }),
/* 37 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.StructTreeLayerBuilder = void 0;
const PDF_ROLE_TO_HTML_ROLE = {
  Document: null,
  DocumentFragment: null,
  Part: "group",
  Sect: "group",
  Div: "group",
  Aside: "note",
  NonStruct: "none",
  P: null,
  H: "heading",
  Title: null,
  FENote: "note",
  Sub: "group",
  Lbl: null,
  Span: null,
  Em: null,
  Strong: null,
  Link: "link",
  Annot: "note",
  Form: "form",
  Ruby: null,
  RB: null,
  RT: null,
  RP: null,
  Warichu: null,
  WT: null,
  WP: null,
  L: "list",
  LI: "listitem",
  LBody: null,
  Table: "table",
  TR: "row",
  TH: "columnheader",
  TD: "cell",
  THead: "columnheader",
  TBody: null,
  TFoot: null,
  Caption: null,
  Figure: "figure",
  Formula: null,
  Artifact: null
};
const HEADING_PATTERN = /^H(\d+)$/;
class StructTreeLayerBuilder {
  #treeDom = undefined;
  get renderingDone() {
    return this.#treeDom !== undefined;
  }
  render(structTree) {
    if (this.#treeDom !== undefined) {
      return this.#treeDom;
    }
    const treeDom = this.#walk(structTree);
    treeDom?.classList.add("structTree");
    return this.#treeDom = treeDom;
  }
  hide() {
    if (this.#treeDom && !this.#treeDom.hidden) {
      this.#treeDom.hidden = true;
    }
  }
  show() {
    if (this.#treeDom?.hidden) {
      this.#treeDom.hidden = false;
    }
  }
  #setAttributes(structElement, htmlElement) {
    if (structElement.alt !== undefined) {
      htmlElement.setAttribute("aria-label", structElement.alt);
    }
    if (structElement.id !== undefined) {
      htmlElement.setAttribute("aria-owns", structElement.id);
    }
    if (structElement.lang !== undefined) {
      htmlElement.setAttribute("lang", structElement.lang);
    }
  }
  #walk(node) {
    if (!node) {
      return null;
    }
    const element = document.createElement("span");
    if ("role" in node) {
      const {
        role
      } = node;
      const match = role.match(HEADING_PATTERN);
      if (match) {
        element.setAttribute("role", "heading");
        element.setAttribute("aria-level", match[1]);
      } else if (PDF_ROLE_TO_HTML_ROLE[role]) {
        element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
      }
    }
    this.#setAttributes(node, element);
    if (node.children) {
      if (node.children.length === 1 && "id" in node.children[0]) {
        this.#setAttributes(node.children[0], element);
      } else {
        for (const kid of node.children) {
          element.append(this.#walk(kid));
        }
      }
    }
    return element;
  }
}
exports.StructTreeLayerBuilder = StructTreeLayerBuilder;

/***/ }),
/* 38 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.TextAccessibilityManager = void 0;
var _ui_utils = __webpack_require__(3);
class TextAccessibilityManager {
  #enabled = false;
  #textChildren = null;
  #textNodes = new Map();
  #waitingElements = new Map();
  setTextMapping(textDivs) {
    this.#textChildren = textDivs;
  }
  static #compareElementPositions(e1, e2) {
    const rect1 = e1.getBoundingClientRect();
    const rect2 = e2.getBoundingClientRect();
    if (rect1.width === 0 && rect1.height === 0) {
      return +1;
    }
    if (rect2.width === 0 && rect2.height === 0) {
      return -1;
    }
    const top1 = rect1.y;
    const bot1 = rect1.y + rect1.height;
    const mid1 = rect1.y + rect1.height / 2;
    const top2 = rect2.y;
    const bot2 = rect2.y + rect2.height;
    const mid2 = rect2.y + rect2.height / 2;
    if (mid1 <= top2 && mid2 >= bot1) {
      return -1;
    }
    if (mid2 <= top1 && mid1 >= bot2) {
      return +1;
    }
    const centerX1 = rect1.x + rect1.width / 2;
    const centerX2 = rect2.x + rect2.width / 2;
    return centerX1 - centerX2;
  }
  enable() {
    if (this.#enabled) {
      throw new Error("TextAccessibilityManager is already enabled.");
    }
    if (!this.#textChildren) {
      throw new Error("Text divs and strings have not been set.");
    }
    this.#enabled = true;
    this.#textChildren = this.#textChildren.slice();
    this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions);
    if (this.#textNodes.size > 0) {
      const textChildren = this.#textChildren;
      for (const [id, nodeIndex] of this.#textNodes) {
        const element = document.getElementById(id);
        if (!element) {
          this.#textNodes.delete(id);
          continue;
        }
        this.#addIdToAriaOwns(id, textChildren[nodeIndex]);
      }
    }
    for (const [element, isRemovable] of this.#waitingElements) {
      this.addPointerInTextLayer(element, isRemovable);
    }
    this.#waitingElements.clear();
  }
  disable() {
    if (!this.#enabled) {
      return;
    }
    this.#waitingElements.clear();
    this.#textChildren = null;
    this.#enabled = false;
  }
  removePointerInTextLayer(element) {
    if (!this.#enabled) {
      this.#waitingElements.delete(element);
      return;
    }
    const children = this.#textChildren;
    if (!children || children.length === 0) {
      return;
    }
    const {
      id
    } = element;
    const nodeIndex = this.#textNodes.get(id);
    if (nodeIndex === undefined) {
      return;
    }
    const node = children[nodeIndex];
    this.#textNodes.delete(id);
    let owns = node.getAttribute("aria-owns");
    if (owns?.includes(id)) {
      owns = owns.split(" ").filter(x => x !== id).join(" ");
      if (owns) {
        node.setAttribute("aria-owns", owns);
      } else {
        node.removeAttribute("aria-owns");
        node.setAttribute("role", "presentation");
      }
    }
  }
  #addIdToAriaOwns(id, node) {
    const owns = node.getAttribute("aria-owns");
    if (!owns?.includes(id)) {
      node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id);
    }
    node.removeAttribute("role");
  }
  addPointerInTextLayer(element, isRemovable) {
    const {
      id
    } = element;
    if (!id) {
      return;
    }
    if (!this.#enabled) {
      this.#waitingElements.set(element, isRemovable);
      return;
    }
    if (isRemovable) {
      this.removePointerInTextLayer(element);
    }
    const children = this.#textChildren;
    if (!children || children.length === 0) {
      return;
    }
    const index = (0, _ui_utils.binarySearchFirstItem)(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0);
    const nodeIndex = Math.max(0, index - 1);
    this.#addIdToAriaOwns(id, children[nodeIndex]);
    this.#textNodes.set(id, nodeIndex);
  }
  moveElementInDOM(container, element, contentElement, isRemovable) {
    this.addPointerInTextLayer(contentElement, isRemovable);
    if (!container.hasChildNodes()) {
      container.append(element);
      return;
    }
    const children = Array.from(container.childNodes).filter(node => node !== element);
    if (children.length === 0) {
      return;
    }
    const elementToCompare = contentElement || element;
    const index = (0, _ui_utils.binarySearchFirstItem)(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0);
    if (index === 0) {
      children[0].before(element);
    } else {
      children[index - 1].after(element);
    }
  }
}
exports.TextAccessibilityManager = TextAccessibilityManager;

/***/ }),
/* 39 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports["default"] = void 0;
function ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);
  if (Object.getOwnPropertySymbols) {
    var symbols = Object.getOwnPropertySymbols(object);
    if (enumerableOnly) {
      symbols = symbols.filter(function (sym) {
        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
      });
    }
    keys.push.apply(keys, symbols);
  }
  return keys;
}
function _objectSpread2(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};
    if (i % 2) {
      ownKeys(Object(source), true).forEach(function (key) {
        _defineProperty(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      ownKeys(Object(source)).forEach(function (key) {
        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
      });
    }
  }
  return target;
}
function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }
  return obj;
}
function _objectWithoutPropertiesLoose(source, excluded) {
  if (source == null) return {};
  var target = {};
  var sourceKeys = Object.keys(source);
  var key, i;
  for (i = 0; i < sourceKeys.length; i++) {
    key = sourceKeys[i];
    if (excluded.indexOf(key) >= 0) continue;
    target[key] = source[key];
  }
  return target;
}
function _objectWithoutProperties(source, excluded) {
  if (source == null) return {};
  var target = _objectWithoutPropertiesLoose(source, excluded);
  var key, i;
  if (Object.getOwnPropertySymbols) {
    var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
    for (i = 0; i < sourceSymbolKeys.length; i++) {
      key = sourceSymbolKeys[i];
      if (excluded.indexOf(key) >= 0) continue;
      if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
      target[key] = source[key];
    }
  }
  return target;
}
function _slicedToArray(arr, i) {
  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
}
function _toConsumableArray(arr) {
  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
}
function _arrayWithoutHoles(arr) {
  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
}
function _arrayWithHoles(arr) {
  if (Array.isArray(arr)) return arr;
}
function _iterableToArray(iter) {
  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
}
function _iterableToArrayLimit(arr, i) {
  var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"];
  if (_i == null) return;
  var _arr = [];
  var _n = true;
  var _d = false;
  var _s, _e;
  try {
    for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) {
      _arr.push(_s.value);
      if (i && _arr.length === i) break;
    }
  } catch (err) {
    _d = true;
    _e = err;
  } finally {
    try {
      if (!_n && _i["return"] != null) _i["return"]();
    } finally {
      if (_d) throw _e;
    }
  }
  return _arr;
}
function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}
function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;
  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
  return arr2;
}
function _nonIterableSpread() {
  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function canvasTest(settings) {
  var size = settings.sizes.shift();
  var width = Math.max(Math.ceil(size[0]), 1);
  var height = Math.max(Math.ceil(size[1]), 1);
  var fill = [width - 1, height - 1, 1, 1];
  var job = Date.now();
  var isWorker = typeof WorkerGlobalScope !== "undefined" && self instanceof WorkerGlobalScope;
  var cropCvs, testCvs;
  if (isWorker) {
    cropCvs = new OffscreenCanvas(1, 1);
    testCvs = new OffscreenCanvas(width, height);
  } else {
    cropCvs = document.createElement("canvas");
    cropCvs.width = 1;
    cropCvs.height = 1;
    testCvs = document.createElement("canvas");
    testCvs.width = width;
    testCvs.height = height;
  }
  var cropCtx = cropCvs.getContext("2d");
  var testCtx = testCvs.getContext("2d");
  if (testCtx) {
    testCtx.fillRect.apply(testCtx, fill);
    cropCtx.drawImage(testCvs, width - 1, height - 1, 1, 1, 0, 0, 1, 1);
  }
  var isTestPass = cropCtx && cropCtx.getImageData(0, 0, 1, 1).data[3] !== 0;
  var benchmark = Date.now() - job;
  if (isWorker) {
    postMessage({
      width: width,
      height: height,
      benchmark: benchmark,
      isTestPass: isTestPass
    });
    if (!isTestPass && settings.sizes.length) {
      canvasTest(settings);
    }
  } else if (isTestPass) {
    settings.onSuccess(width, height, benchmark);
  } else {
    settings.onError(width, height, benchmark);
    if (settings.sizes.length) {
      canvasTest(settings);
    }
  }
  return isTestPass;
}
var testSizes = {
  area: [16384, 14188, 11402, 11180, 10836, 8192, 4096, 1],
  height: [8388607, 65535, 32767, 16384, 8192, 4096, 1],
  width: [4194303, 65535, 32767, 16384, 8192, 4096, 1]
};
var _excluded = ["onError", "onSuccess"];
var defaults = {
  max: null,
  min: 1,
  sizes: [],
  step: 1024,
  usePromise: false,
  useWorker: false,
  onError: Function.prototype,
  onSuccess: Function.prototype
};
var workerJobs = {};
function createSizesArray(settings) {
  var isArea = settings.width === settings.height;
  var isWidth = settings.height === 1;
  var isHeight = settings.width === 1;
  var sizes = [];
  if (!settings.width || !settings.height) {
    settings.sizes.forEach(function (testSize) {
      var width = isArea || isWidth ? testSize : 1;
      var height = isArea || isHeight ? testSize : 1;
      sizes.push([width, height]);
    });
  } else {
    var testMin = settings.min || defaults.min;
    var testStep = settings.step || defaults.step;
    var testSize = Math.max(settings.width, settings.height);
    while (testSize >= testMin) {
      var width = isArea || isWidth ? testSize : 1;
      var height = isArea || isHeight ? testSize : 1;
      sizes.push([width, height]);
      testSize -= testStep;
    }
  }
  return sizes;
}
function handleMethod(settings) {
  var hasCanvasSupport = window && "HTMLCanvasElement" in window;
  var hasOffscreenCanvasSupport = window && "OffscreenCanvas" in window;
  var jobID = Date.now();
  var _onError = settings.onError,
    _onSuccess = settings.onSuccess,
    settingsWithoutCallbacks = _objectWithoutProperties(settings, _excluded);
  var worker = null;
  if (!hasCanvasSupport) {
    return false;
  }
  if (settings.useWorker && hasOffscreenCanvasSupport) {
    var js = "\n            var canvasTest = ".concat(canvasTest.toString(), ";\n            onmessage = function(e) {\n                canvasTest(e.data);\n            };\n        ");
    var blob = new Blob([js], {
      type: "application/javascript"
    });
    var blobURL = URL.createObjectURL(blob);
    worker = new Worker(blobURL);
    URL.revokeObjectURL(blobURL);
    worker.onmessage = function (e) {
      var _e$data = e.data,
        width = _e$data.width,
        height = _e$data.height,
        benchmark = _e$data.benchmark,
        isTestPass = _e$data.isTestPass;
      if (isTestPass) {
        workerJobs[jobID].onSuccess(width, height, benchmark);
        delete workerJobs[jobID];
      } else {
        workerJobs[jobID].onError(width, height, benchmark);
      }
    };
  }
  if (settings.usePromise) {
    return new Promise(function (resolve, reject) {
      var promiseSettings = _objectSpread2(_objectSpread2({}, settings), {}, {
        onError: function onError(width, height, benchmark) {
          var isLastTest;
          if (settings.sizes.length === 0) {
            isLastTest = true;
          } else {
            var _settings$sizes$slice = settings.sizes.slice(-1),
              _settings$sizes$slice2 = _slicedToArray(_settings$sizes$slice, 1),
              _settings$sizes$slice3 = _slicedToArray(_settings$sizes$slice2[0], 2),
              lastWidth = _settings$sizes$slice3[0],
              lastHeight = _settings$sizes$slice3[1];
            isLastTest = width === lastWidth && height === lastHeight;
          }
          _onError(width, height, benchmark);
          if (isLastTest) {
            reject({
              width: width,
              height: height,
              benchmark: benchmark
            });
          }
        },
        onSuccess: function onSuccess(width, height, benchmark) {
          _onSuccess(width, height, benchmark);
          resolve({
            width: width,
            height: height,
            benchmark: benchmark
          });
        }
      });
      if (worker) {
        var onError = promiseSettings.onError,
          onSuccess = promiseSettings.onSuccess;
        workerJobs[jobID] = {
          onError: onError,
          onSuccess: onSuccess
        };
        worker.postMessage(settingsWithoutCallbacks);
      } else {
        canvasTest(promiseSettings);
      }
    });
  } else {
    if (worker) {
      workerJobs[jobID] = {
        onError: _onError,
        onSuccess: _onSuccess
      };
      worker.postMessage(settingsWithoutCallbacks);
    } else {
      return canvasTest(settings);
    }
  }
}
var canvasSize = {
  maxArea: function maxArea() {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var sizes = createSizesArray({
      width: options.max,
      height: options.max,
      min: options.min,
      step: options.step,
      sizes: _toConsumableArray(testSizes.area)
    });
    var settings = _objectSpread2(_objectSpread2(_objectSpread2({}, defaults), options), {}, {
      sizes: sizes
    });
    return handleMethod(settings);
  },
  maxHeight: function maxHeight() {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var sizes = createSizesArray({
      width: 1,
      height: options.max,
      min: options.min,
      step: options.step,
      sizes: _toConsumableArray(testSizes.height)
    });
    var settings = _objectSpread2(_objectSpread2(_objectSpread2({}, defaults), options), {}, {
      sizes: sizes
    });
    return handleMethod(settings);
  },
  maxWidth: function maxWidth() {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var sizes = createSizesArray({
      width: options.max,
      height: 1,
      min: options.min,
      step: options.step,
      sizes: _toConsumableArray(testSizes.width)
    });
    var settings = _objectSpread2(_objectSpread2(_objectSpread2({}, defaults), options), {}, {
      sizes: sizes
    });
    return handleMethod(settings);
  },
  test: function test() {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var settings = _objectSpread2(_objectSpread2({}, defaults), options);
    settings.sizes = _toConsumableArray(settings.sizes);
    if (settings.width && settings.height) {
      settings.sizes = [[settings.width, settings.height]];
    }
    return handleMethod(settings);
  }
};
exports["default"] = canvasSize;

/***/ }),
/* 40 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = exports.TextRenderingMode = exports.RenderingIntentFlag = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.LINE_FACTOR = exports.LINE_DESCENT_FACTOR = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FeatureTest = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.BASELINE_FACTOR = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMode = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationEditorType = exports.AnnotationEditorPrefix = exports.AnnotationEditorParamsType = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
exports.assert = assert;
exports.bytesToString = bytesToString;
exports.createPromiseCapability = createPromiseCapability;
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
exports.getModificationDate = getModificationDate;
exports.getVerbosityLevel = getVerbosityLevel;
exports.info = info;
exports.isArrayBuffer = isArrayBuffer;
exports.isArrayEqual = isArrayEqual;
exports.objectFromMap = objectFromMap;
exports.objectSize = objectSize;
exports.setVerbosityLevel = setVerbosityLevel;
exports.shadow = shadow;
exports.string32 = string32;
exports.stringToBytes = stringToBytes;
exports.stringToPDFString = stringToPDFString;
exports.stringToUTF8String = stringToUTF8String;
exports.unreachable = unreachable;
exports.utf8StringToString = utf8StringToString;
exports.warn = warn;
;
const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
const LINE_FACTOR = 1.35;
exports.LINE_FACTOR = LINE_FACTOR;
const LINE_DESCENT_FACTOR = 0.35;
exports.LINE_DESCENT_FACTOR = LINE_DESCENT_FACTOR;
const BASELINE_FACTOR = LINE_DESCENT_FACTOR / LINE_FACTOR;
exports.BASELINE_FACTOR = BASELINE_FACTOR;
const RenderingIntentFlag = {
  ANY: 0x01,
  DISPLAY: 0x02,
  PRINT: 0x04,
  SAVE: 0x08,
  ANNOTATIONS_FORMS: 0x10,
  ANNOTATIONS_STORAGE: 0x20,
  ANNOTATIONS_DISABLE: 0x40,
  OPLIST: 0x100
};
exports.RenderingIntentFlag = RenderingIntentFlag;
const AnnotationMode = {
  DISABLE: 0,
  ENABLE: 1,
  ENABLE_FORMS: 2,
  ENABLE_STORAGE: 3
};
exports.AnnotationMode = AnnotationMode;
const AnnotationEditorPrefix = "pdfjs_internal_editor_";
exports.AnnotationEditorPrefix = AnnotationEditorPrefix;
const AnnotationEditorType = {
  DISABLE: -1,
  NONE: 0,
  FREETEXT: 3,
  INK: 15
};
exports.AnnotationEditorType = AnnotationEditorType;
const AnnotationEditorParamsType = {
  FREETEXT_SIZE: 1,
  FREETEXT_COLOR: 2,
  FREETEXT_OPACITY: 3,
  INK_COLOR: 11,
  INK_THICKNESS: 12,
  INK_OPACITY: 13
};
exports.AnnotationEditorParamsType = AnnotationEditorParamsType;
const PermissionFlag = {
  PRINT: 0x04,
  MODIFY_CONTENTS: 0x08,
  COPY: 0x10,
  MODIFY_ANNOTATIONS: 0x20,
  FILL_INTERACTIVE_FORMS: 0x100,
  COPY_FOR_ACCESSIBILITY: 0x200,
  ASSEMBLE: 0x400,
  PRINT_HIGH_QUALITY: 0x800
};
exports.PermissionFlag = PermissionFlag;
const TextRenderingMode = {
  FILL: 0,
  STROKE: 1,
  FILL_STROKE: 2,
  INVISIBLE: 3,
  FILL_ADD_TO_PATH: 4,
  STROKE_ADD_TO_PATH: 5,
  FILL_STROKE_ADD_TO_PATH: 6,
  ADD_TO_PATH: 7,
  FILL_STROKE_MASK: 3,
  ADD_TO_PATH_FLAG: 4
};
exports.TextRenderingMode = TextRenderingMode;
const ImageKind = {
  GRAYSCALE_1BPP: 1,
  RGB_24BPP: 2,
  RGBA_32BPP: 3
};
exports.ImageKind = ImageKind;
const AnnotationType = {
  TEXT: 1,
  LINK: 2,
  FREETEXT: 3,
  LINE: 4,
  SQUARE: 5,
  CIRCLE: 6,
  POLYGON: 7,
  POLYLINE: 8,
  HIGHLIGHT: 9,
  UNDERLINE: 10,
  SQUIGGLY: 11,
  STRIKEOUT: 12,
  STAMP: 13,
  CARET: 14,
  INK: 15,
  POPUP: 16,
  FILEATTACHMENT: 17,
  SOUND: 18,
  MOVIE: 19,
  WIDGET: 20,
  SCREEN: 21,
  PRINTERMARK: 22,
  TRAPNET: 23,
  WATERMARK: 24,
  THREED: 25,
  REDACT: 26
};
exports.AnnotationType = AnnotationType;
const AnnotationStateModelType = {
  MARKED: "Marked",
  REVIEW: "Review"
};
exports.AnnotationStateModelType = AnnotationStateModelType;
const AnnotationMarkedState = {
  MARKED: "Marked",
  UNMARKED: "Unmarked"
};
exports.AnnotationMarkedState = AnnotationMarkedState;
const AnnotationReviewState = {
  ACCEPTED: "Accepted",
  REJECTED: "Rejected",
  CANCELLED: "Cancelled",
  COMPLETED: "Completed",
  NONE: "None"
};
exports.AnnotationReviewState = AnnotationReviewState;
const AnnotationReplyType = {
  GROUP: "Group",
  REPLY: "R"
};
exports.AnnotationReplyType = AnnotationReplyType;
const AnnotationFlag = {
  INVISIBLE: 0x01,
  HIDDEN: 0x02,
  PRINT: 0x04,
  NOZOOM: 0x08,
  NOROTATE: 0x10,
  NOVIEW: 0x20,
  READONLY: 0x40,
  LOCKED: 0x80,
  TOGGLENOVIEW: 0x100,
  LOCKEDCONTENTS: 0x200
};
exports.AnnotationFlag = AnnotationFlag;
const AnnotationFieldFlag = {
  READONLY: 0x0000001,
  REQUIRED: 0x0000002,
  NOEXPORT: 0x0000004,
  MULTILINE: 0x0001000,
  PASSWORD: 0x0002000,
  NOTOGGLETOOFF: 0x0004000,
  RADIO: 0x0008000,
  PUSHBUTTON: 0x0010000,
  COMBO: 0x0020000,
  EDIT: 0x0040000,
  SORT: 0x0080000,
  FILESELECT: 0x0100000,
  MULTISELECT: 0x0200000,
  DONOTSPELLCHECK: 0x0400000,
  DONOTSCROLL: 0x0800000,
  COMB: 0x1000000,
  RICHTEXT: 0x2000000,
  RADIOSINUNISON: 0x2000000,
  COMMITONSELCHANGE: 0x4000000
};
exports.AnnotationFieldFlag = AnnotationFieldFlag;
const AnnotationBorderStyleType = {
  SOLID: 1,
  DASHED: 2,
  BEVELED: 3,
  INSET: 4,
  UNDERLINE: 5
};
exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
const AnnotationActionEventType = {
  E: "Mouse Enter",
  X: "Mouse Exit",
  D: "Mouse Down",
  U: "Mouse Up",
  Fo: "Focus",
  Bl: "Blur",
  PO: "PageOpen",
  PC: "PageClose",
  PV: "PageVisible",
  PI: "PageInvisible",
  K: "Keystroke",
  F: "Format",
  V: "Validate",
  C: "Calculate"
};
exports.AnnotationActionEventType = AnnotationActionEventType;
const DocumentActionEventType = {
  WC: "WillClose",
  WS: "WillSave",
  DS: "DidSave",
  WP: "WillPrint",
  DP: "DidPrint"
};
exports.DocumentActionEventType = DocumentActionEventType;
const PageActionEventType = {
  O: "PageOpen",
  C: "PageClose"
};
exports.PageActionEventType = PageActionEventType;
const VerbosityLevel = {
  ERRORS: 0,
  WARNINGS: 1,
  INFOS: 5
};
exports.VerbosityLevel = VerbosityLevel;
const CMapCompressionType = {
  NONE: 0,
  BINARY: 1
};
exports.CMapCompressionType = CMapCompressionType;
const OPS = {
  dependency: 1,
  setLineWidth: 2,
  setLineCap: 3,
  setLineJoin: 4,
  setMiterLimit: 5,
  setDash: 6,
  setRenderingIntent: 7,
  setFlatness: 8,
  setGState: 9,
  save: 10,
  restore: 11,
  transform: 12,
  moveTo: 13,
  lineTo: 14,
  curveTo: 15,
  curveTo2: 16,
  curveTo3: 17,
  closePath: 18,
  rectangle: 19,
  stroke: 20,
  closeStroke: 21,
  fill: 22,
  eoFill: 23,
  fillStroke: 24,
  eoFillStroke: 25,
  closeFillStroke: 26,
  closeEOFillStroke: 27,
  endPath: 28,
  clip: 29,
  eoClip: 30,
  beginText: 31,
  endText: 32,
  setCharSpacing: 33,
  setWordSpacing: 34,
  setHScale: 35,
  setLeading: 36,
  setFont: 37,
  setTextRenderingMode: 38,
  setTextRise: 39,
  moveText: 40,
  setLeadingMoveText: 41,
  setTextMatrix: 42,
  nextLine: 43,
  showText: 44,
  showSpacedText: 45,
  nextLineShowText: 46,
  nextLineSetSpacingShowText: 47,
  setCharWidth: 48,
  setCharWidthAndBounds: 49,
  setStrokeColorSpace: 50,
  setFillColorSpace: 51,
  setStrokeColor: 52,
  setStrokeColorN: 53,
  setFillColor: 54,
  setFillColorN: 55,
  setStrokeGray: 56,
  setFillGray: 57,
  setStrokeRGBColor: 58,
  setFillRGBColor: 59,
  setStrokeCMYKColor: 60,
  setFillCMYKColor: 61,
  shadingFill: 62,
  beginInlineImage: 63,
  beginImageData: 64,
  endInlineImage: 65,
  paintXObject: 66,
  markPoint: 67,
  markPointProps: 68,
  beginMarkedContent: 69,
  beginMarkedContentProps: 70,
  endMarkedContent: 71,
  beginCompat: 72,
  endCompat: 73,
  paintFormXObjectBegin: 74,
  paintFormXObjectEnd: 75,
  beginGroup: 76,
  endGroup: 77,
  beginAnnotation: 80,
  endAnnotation: 81,
  paintImageMaskXObject: 83,
  paintImageMaskXObjectGroup: 84,
  paintImageXObject: 85,
  paintInlineImageXObject: 86,
  paintInlineImageXObjectGroup: 87,
  paintImageXObjectRepeat: 88,
  paintImageMaskXObjectRepeat: 89,
  paintSolidColorImageMask: 90,
  constructPath: 91
};
exports.OPS = OPS;
const UNSUPPORTED_FEATURES = {
  forms: "forms",
  javaScript: "javaScript",
  signatures: "signatures",
  smask: "smask",
  shadingPattern: "shadingPattern",
  errorTilingPattern: "errorTilingPattern",
  errorExtGState: "errorExtGState",
  errorXObject: "errorXObject",
  errorFontLoadType3: "errorFontLoadType3",
  errorFontState: "errorFontState",
  errorFontMissing: "errorFontMissing",
  errorFontTranslate: "errorFontTranslate",
  errorColorSpace: "errorColorSpace",
  errorOperatorList: "errorOperatorList",
  errorFontToUnicode: "errorFontToUnicode",
  errorFontLoadNative: "errorFontLoadNative",
  errorFontBuildPath: "errorFontBuildPath",
  errorFontGetPath: "errorFontGetPath",
  errorMarkedContent: "errorMarkedContent",
  errorContentSubStream: "errorContentSubStream"
};
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
const PasswordResponses = {
  NEED_PASSWORD: 1,
  INCORRECT_PASSWORD: 2
};
exports.PasswordResponses = PasswordResponses;
let verbosity = VerbosityLevel.WARNINGS;
function setVerbosityLevel(level) {
  if (Number.isInteger(level)) {
    verbosity = level;
  }
}
function getVerbosityLevel() {
  return verbosity;
}
function info(msg) {
  if (verbosity >= VerbosityLevel.INFOS) {
    if (typeof WorkerGlobalScope !== "undefined" && self instanceof WorkerGlobalScope) {
      console.log(`Info: ${msg}`);
    } else if (Window && Window['ngxConsole']) {
      Window['ngxConsole'].log(`Info: ${msg}`);
    } else {
      console.log(`Info: ${msg}`);
    }
  }
}
function warn(msg) {
  if (verbosity >= VerbosityLevel.WARNINGS) {
    if (typeof WorkerGlobalScope !== "undefined" && self instanceof WorkerGlobalScope) {
      console.log(`Warning: ${msg}`);
    } else if (Window && Window["ngxConsole"]) {
      Window["ngxConsole"].log(`Warning: ${msg}`);
    } else {
      console.log(`Warning: ${msg}`);
    }
  }
}
function unreachable(msg) {
  throw new Error(msg);
}
function assert(cond, msg) {
  if (!cond) {
    unreachable(msg);
  }
}
function _isValidProtocol(url) {
  if (!url) {
    return false;
  }
  switch (url.protocol) {
    case "http:":
    case "https:":
    case "ftp:":
    case "mailto:":
    case "tel:":
    case "capacitor":
      return true;
    default:
      return false;
  }
}
function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
  if (!url) {
    return null;
  }
  try {
    if (options && typeof url === "string") {
      if (options.addDefaultProtocol && url.startsWith("www.")) {
        const dots = url.match(/\./g);
        if (dots && dots.length >= 2) {
          url = `http://${url}`;
        }
      }
      if (options.tryConvertEncoding) {
        try {
          url = stringToUTF8String(url);
        } catch (ex) {}
      }
    }
    const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
    if (_isValidProtocol(absoluteUrl)) {
      return absoluteUrl;
    }
  } catch (ex) {}
  return null;
}
function shadow(obj, prop, value, nonSerializable = false) {
  Object.defineProperty(obj, prop, {
    value,
    enumerable: !nonSerializable,
    configurable: true,
    writable: false
  });
  return value;
}
const BaseException = function BaseExceptionClosure() {
  function BaseException(message, name) {
    if (this.constructor === BaseException) {
      unreachable("Cannot initialize BaseException.");
    }
    this.message = message;
    this.name = name;
  }
  BaseException.prototype = new Error();
  BaseException.constructor = BaseException;
  return BaseException;
}();
exports.BaseException = BaseException;
class PasswordException extends BaseException {
  constructor(msg, code) {
    super(msg, "PasswordException");
    this.code = code;
  }
}
exports.PasswordException = PasswordException;
class UnknownErrorException extends BaseException {
  constructor(msg, details) {
    super(msg, "UnknownErrorException");
    this.details = details;
  }
}
exports.UnknownErrorException = UnknownErrorException;
class InvalidPDFException extends BaseException {
  constructor(msg) {
    super(msg, "InvalidPDFException");
  }
}
exports.InvalidPDFException = InvalidPDFException;
class MissingPDFException extends BaseException {
  constructor(msg) {
    super(msg, "MissingPDFException");
  }
}
exports.MissingPDFException = MissingPDFException;
class UnexpectedResponseException extends BaseException {
  constructor(msg, status) {
    super(msg, "UnexpectedResponseException");
    this.status = status;
  }
}
exports.UnexpectedResponseException = UnexpectedResponseException;
class FormatError extends BaseException {
  constructor(msg) {
    super(msg, "FormatError");
  }
}
exports.FormatError = FormatError;
class AbortException extends BaseException {
  constructor(msg) {
    super(msg, "AbortException");
  }
}
exports.AbortException = AbortException;
function bytesToString(bytes) {
  if (typeof bytes !== "object" || bytes === null || bytes.length === undefined) {
    unreachable("Invalid argument for bytesToString");
  }
  const length = bytes.length;
  const MAX_ARGUMENT_COUNT = 8192;
  if (length < MAX_ARGUMENT_COUNT) {
    return String.fromCharCode.apply(null, bytes);
  }
  const strBuf = [];
  for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
    const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
    const chunk = bytes.subarray(i, chunkEnd);
    strBuf.push(String.fromCharCode.apply(null, chunk));
  }
  return strBuf.join("");
}
function stringToBytes(str) {
  if (typeof str !== "string") {
    unreachable("Invalid argument for stringToBytes");
  }
  const length = str.length;
  const bytes = new Uint8Array(length);
  for (let i = 0; i < length; ++i) {
    bytes[i] = str.charCodeAt(i) & 0xff;
  }
  return bytes;
}
function string32(value) {
  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
}
function objectSize(obj) {
  return Object.keys(obj).length;
}
function objectFromMap(map) {
  const obj = Object.create(null);
  for (const [key, value] of map) {
    obj[key] = value;
  }
  return obj;
}
function isLittleEndian() {
  const buffer8 = new Uint8Array(4);
  buffer8[0] = 1;
  const view32 = new Uint32Array(buffer8.buffer, 0, 1);
  return view32[0] === 1;
}
function isEvalSupported() {
  try {
    new Function("");
    return true;
  } catch (e) {
    return false;
  }
}
class FeatureTest {
  static get isLittleEndian() {
    return shadow(this, "isLittleEndian", isLittleEndian());
  }
  static get isEvalSupported() {
    return shadow(this, "isEvalSupported", isEvalSupported());
  }
  static get isOffscreenCanvasSupported() {
    return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
  }
  static get platform() {
    if (typeof navigator === "undefined") {
      return shadow(this, "platform", {
        isWin: false,
        isMac: false
      });
    }
    return shadow(this, "platform", {
      isWin: navigator.platform.includes("Win"),
      isMac: navigator.platform.includes("Mac")
    });
  }
}
exports.FeatureTest = FeatureTest;
const hexNumbers = [...Array(256).keys()].map(n => n.toString(16).padStart(2, "0"));
class Util {
  static makeHexColor(r, g, b) {
    return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
  }
  static scaleMinMax(transform, minMax) {
    let temp;
    if (transform[0]) {
      if (transform[0] < 0) {
        temp = minMax[0];
        minMax[0] = minMax[1];
        minMax[1] = temp;
      }
      minMax[0] *= transform[0];
      minMax[1] *= transform[0];
      if (transform[3] < 0) {
        temp = minMax[2];
        minMax[2] = minMax[3];
        minMax[3] = temp;
      }
      minMax[2] *= transform[3];
      minMax[3] *= transform[3];
    } else {
      temp = minMax[0];
      minMax[0] = minMax[2];
      minMax[2] = temp;
      temp = minMax[1];
      minMax[1] = minMax[3];
      minMax[3] = temp;
      if (transform[1] < 0) {
        temp = minMax[2];
        minMax[2] = minMax[3];
        minMax[3] = temp;
      }
      minMax[2] *= transform[1];
      minMax[3] *= transform[1];
      if (transform[2] < 0) {
        temp = minMax[0];
        minMax[0] = minMax[1];
        minMax[1] = temp;
      }
      minMax[0] *= transform[2];
      minMax[1] *= transform[2];
    }
    minMax[0] += transform[4];
    minMax[1] += transform[4];
    minMax[2] += transform[5];
    minMax[3] += transform[5];
  }
  static transform(m1, m2) {
    return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
  }
  static applyTransform(p, m) {
    const xt = p[0] * m[0] + p[1] * m[2] + m[4];
    const yt = p[0] * m[1] + p[1] * m[3] + m[5];
    return [xt, yt];
  }
  static applyInverseTransform(p, m) {
    const d = m[0] * m[3] - m[1] * m[2];
    const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
    const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
    return [xt, yt];
  }
  static getAxialAlignedBoundingBox(r, m) {
    const p1 = Util.applyTransform(r, m);
    const p2 = Util.applyTransform(r.slice(2, 4), m);
    const p3 = Util.applyTransform([r[0], r[3]], m);
    const p4 = Util.applyTransform([r[2], r[1]], m);
    return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
  }
  static inverseTransform(m) {
    const d = m[0] * m[3] - m[1] * m[2];
    return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
  }
  static singularValueDecompose2dScale(m) {
    const transpose = [m[0], m[2], m[1], m[3]];
    const a = m[0] * transpose[0] + m[1] * transpose[2];
    const b = m[0] * transpose[1] + m[1] * transpose[3];
    const c = m[2] * transpose[0] + m[3] * transpose[2];
    const d = m[2] * transpose[1] + m[3] * transpose[3];
    const first = (a + d) / 2;
    const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;
    const sx = first + second || 1;
    const sy = first - second || 1;
    return [Math.sqrt(sx), Math.sqrt(sy)];
  }
  static normalizeRect(rect) {
    const r = rect.slice(0);
    if (rect[0] > rect[2]) {
      r[0] = rect[2];
      r[2] = rect[0];
    }
    if (rect[1] > rect[3]) {
      r[1] = rect[3];
      r[3] = rect[1];
    }
    return r;
  }
  static intersect(rect1, rect2) {
    const xLow = Math.max(Math.min(rect1[0], rect1[2]), Math.min(rect2[0], rect2[2]));
    const xHigh = Math.min(Math.max(rect1[0], rect1[2]), Math.max(rect2[0], rect2[2]));
    if (xLow > xHigh) {
      return null;
    }
    const yLow = Math.max(Math.min(rect1[1], rect1[3]), Math.min(rect2[1], rect2[3]));
    const yHigh = Math.min(Math.max(rect1[1], rect1[3]), Math.max(rect2[1], rect2[3]));
    if (yLow > yHigh) {
      return null;
    }
    return [xLow, yLow, xHigh, yHigh];
  }
  static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3) {
    const tvalues = [],
      bounds = [[], []];
    let a, b, c, t, t1, t2, b2ac, sqrtb2ac;
    for (let i = 0; i < 2; ++i) {
      if (i === 0) {
        b = 6 * x0 - 12 * x1 + 6 * x2;
        a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;
        c = 3 * x1 - 3 * x0;
      } else {
        b = 6 * y0 - 12 * y1 + 6 * y2;
        a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;
        c = 3 * y1 - 3 * y0;
      }
      if (Math.abs(a) < 1e-12) {
        if (Math.abs(b) < 1e-12) {
          continue;
        }
        t = -c / b;
        if (0 < t && t < 1) {
          tvalues.push(t);
        }
        continue;
      }
      b2ac = b * b - 4 * c * a;
      sqrtb2ac = Math.sqrt(b2ac);
      if (b2ac < 0) {
        continue;
      }
      t1 = (-b + sqrtb2ac) / (2 * a);
      if (0 < t1 && t1 < 1) {
        tvalues.push(t1);
      }
      t2 = (-b - sqrtb2ac) / (2 * a);
      if (0 < t2 && t2 < 1) {
        tvalues.push(t2);
      }
    }
    let j = tvalues.length,
      mt;
    const jlen = j;
    while (j--) {
      t = tvalues[j];
      mt = 1 - t;
      bounds[0][j] = mt * mt * mt * x0 + 3 * mt * mt * t * x1 + 3 * mt * t * t * x2 + t * t * t * x3;
      bounds[1][j] = mt * mt * mt * y0 + 3 * mt * mt * t * y1 + 3 * mt * t * t * y2 + t * t * t * y3;
    }
    bounds[0][jlen] = x0;
    bounds[1][jlen] = y0;
    bounds[0][jlen + 1] = x3;
    bounds[1][jlen + 1] = y3;
    bounds[0].length = bounds[1].length = jlen + 2;
    return [Math.min(...bounds[0]), Math.min(...bounds[1]), Math.max(...bounds[0]), Math.max(...bounds[1])];
  }
}
exports.Util = Util;
const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac];
function stringToPDFString(str) {
  if (str[0] >= "\xEF") {
    let encoding;
    if (str[0] === "\xFE" && str[1] === "\xFF") {
      encoding = "utf-16be";
    } else if (str[0] === "\xFF" && str[1] === "\xFE") {
      encoding = "utf-16le";
    } else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
      encoding = "utf-8";
    }
    if (encoding) {
      try {
        const decoder = new TextDecoder(encoding, {
          fatal: true
        });
        const buffer = stringToBytes(str);
        return decoder.decode(buffer);
      } catch (ex) {
        warn(`stringToPDFString: "${ex}".`);
      }
    }
  }
  const strBuf = [];
  for (let i = 0, ii = str.length; i < ii; i++) {
    const code = PDFStringTranslateTable[str.charCodeAt(i)];
    strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
  }
  return strBuf.join("");
}
function stringToUTF8String(str) {
  return decodeURIComponent(escape(str));
}
function utf8StringToString(str) {
  return unescape(encodeURIComponent(str));
}
function isArrayBuffer(v) {
  return typeof v === "object" && v !== null && v.byteLength !== undefined;
}
function isArrayEqual(arr1, arr2) {
  if (arr1.length !== arr2.length) {
    return false;
  }
  for (let i = 0, ii = arr1.length; i < ii; i++) {
    if (arr1[i] !== arr2[i]) {
      return false;
    }
  }
  return true;
}
function getModificationDate(date = new Date()) {
  const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
  return buffer.join("");
}
function createPromiseCapability() {
  const capability = Object.create(null);
  let isSettled = false;
  Object.defineProperty(capability, "settled", {
    get() {
      return isSettled;
    }
  });
  capability.promise = new Promise(function (resolve, reject) {
    capability.resolve = function (data) {
      isSettled = true;
      resolve(data);
    };
    capability.reject = function (reason) {
      isSettled = true;
      reject(reason);
    };
  });
  return capability;
}

/***/ }),
/* 41 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.TextHighlighter = void 0;
class TextHighlighter {
  constructor({
    findController,
    eventBus,
    pageIndex
  }) {
    this.findController = findController;
    this.matches = [];
    this.eventBus = eventBus;
    this.pageIdx = pageIndex;
    this._onUpdateTextLayerMatches = null;
    this.textDivs = null;
    this.textContentItemsStr = null;
    this.enabled = false;
  }
  setTextMapping(divs, texts) {
    this.textDivs = divs;
    this.textContentItemsStr = texts;
  }
  enable() {
    if (!this.textDivs || !this.textContentItemsStr) {
      throw new Error("Text divs and strings have not been set.");
    }
    if (this.enabled) {
      return;
    }
    this.enabled = true;
    if (!this._onUpdateTextLayerMatches) {
      this._onUpdateTextLayerMatches = evt => {
        if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
          this._updateMatches();
        }
      };
      this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
    }
    this._updateMatches();
  }
  disable() {
    if (!this.enabled) {
      return;
    }
    this.enabled = false;
    if (this._onUpdateTextLayerMatches) {
      this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
      this._onUpdateTextLayerMatches = null;
    }
    this._updateMatches(true);
  }
  _convertMatches(matches, matchesLength, matchesColor) {
    if (!matches) {
      return [];
    }
    const {
      textContentItemsStr
    } = this;
    let i = 0,
      iIndex = 0;
    const end = textContentItemsStr.length - 1;
    const result = [];
    for (let m = 0, mm = matches.length; m < mm; m++) {
      let matchIdx = matches[m];
      while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
        iIndex += textContentItemsStr[i].length;
        i++;
      }
      if (i === textContentItemsStr.length) {
        Window['ngxConsole'].error("Could not find a matching mapping");
      }
      const match = {
        color: matchesColor ? matchesColor[m] : 0,
        begin: {
          divIdx: i,
          offset: matchIdx - iIndex
        }
      };
      matchIdx += matchesLength[m];
      while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
        iIndex += textContentItemsStr[i].length;
        i++;
      }
      match.end = {
        divIdx: i,
        offset: matchIdx - iIndex
      };
      result.push(match);
    }
    return result;
  }
  _renderMatches(matches) {
    if (matches.length === 0) {
      return;
    }
    const {
      findController,
      pageIdx
    } = this;
    const {
      textContentItemsStr,
      textDivs
    } = this;
    const isSelectedPage = pageIdx === findController.selected.pageIdx;
    const selectedMatchIdx = findController.selected.matchIdx;
    const highlightAll = findController.state.highlightAll;
    let prevEnd = null;
    const infinity = {
      divIdx: -1,
      offset: undefined
    };
    function beginText(begin, className) {
      const divIdx = begin.divIdx;
      textDivs[divIdx].textContent = "";
      return appendTextToDiv(divIdx, 0, begin.offset, className);
    }
    function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
      let div = textDivs[divIdx];
      if (div.nodeType === Node.TEXT_NODE) {
        const span = document.createElement("span");
        div.before(span);
        span.append(div);
        textDivs[divIdx] = span;
        div = span;
      }
      const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
      const node = document.createTextNode(content);
      if (className) {
        const span = document.createElement("span");
        span.className = `${className} appended`;
        span.append(node);
        div.append(span);
        return className.includes("selected") ? span.offsetLeft : 0;
      }
      div.append(node);
      return 0;
    }
    let i0 = selectedMatchIdx,
      i1 = i0 + 1;
    if (highlightAll) {
      i0 = 0;
      i1 = matches.length;
    } else if (!isSelectedPage) {
      return;
    }
    for (let i = i0; i < i1; i++) {
      const match = matches[i];
      const begin = match.begin;
      const end = match.end;
      const isSelected = isSelectedPage && i === selectedMatchIdx;
      const colorNumber = match.color % 5;
      const highlightSuffix = (isSelected ? " selected" : "") + " color" + colorNumber;
      let selectedLeft = 0;
      if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
        if (prevEnd !== null) {
          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
        }
        beginText(begin);
      } else {
        appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
      }
      if (begin.divIdx === end.divIdx) {
        selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
      } else {
        selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
        for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
          textDivs[n0].className = "highlight middle" + highlightSuffix;
        }
        beginText(end, "highlight end" + highlightSuffix);
      }
      prevEnd = end;
      if (isSelected) {
        findController.scrollMatchIntoView({
          element: textDivs[begin.divIdx],
          selectedLeft,
          pageIndex: pageIdx,
          matchIndex: selectedMatchIdx
        });
      }
    }
    if (prevEnd) {
      appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
    }
  }
  _updateMatches(reset = false) {
    if (!this.enabled && !reset) {
      return;
    }
    const {
      findController,
      matches,
      pageIdx
    } = this;
    const {
      textContentItemsStr,
      textDivs
    } = this;
    let clearedUntilDivIdx = -1;
    for (const match of matches) {
      const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
      for (let n = begin, end = match.end.divIdx; n <= end; n++) {
        const div = textDivs[n];
        div.textContent = textContentItemsStr[n];
        div.className = "";
      }
      clearedUntilDivIdx = match.end.divIdx + 1;
    }
    if (!findController?.highlightMatches || reset) {
      return;
    }
    const pageMatches = findController.pageMatches[pageIdx] || null;
    const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
    const pageMatchesColor = findController.pageMatchesColor[pageIdx] || null;
    this.matches = this._convertMatches(pageMatches, pageMatchesLength, pageMatchesColor);
    this._renderMatches(this.matches);
  }
}
exports.TextHighlighter = TextHighlighter;

/***/ }),
/* 42 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.TextLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
class TextLayerBuilder {
  #rotation = 0;
  #scale = 0;
  #textContentSource = null;
  constructor({
    highlighter = null,
    accessibilityManager = null,
    isOffscreenCanvasSupported = true
  }) {
    this.textContentItemsStr = [];
    this.renderingDone = false;
    this.textDivs = [];
    this.textDivProperties = new WeakMap();
    this.textLayerRenderTask = null;
    this.highlighter = highlighter;
    this.accessibilityManager = accessibilityManager;
    this.isOffscreenCanvasSupported = isOffscreenCanvasSupported;
    this.div = document.createElement("div");
    this.div.className = "textLayer";
    this.hide();
  }
  #finishRendering() {
    this.renderingDone = true;
    const endOfContent = document.createElement("div");
    endOfContent.className = "endOfContent";
    this.div.append(endOfContent);
    this.#bindMouse();
  }
  get numTextDivs() {
    return this.textDivs.length;
  }
  async render(viewport) {
    if (!this.#textContentSource) {
      throw new Error('No "textContentSource" parameter specified.');
    }
    const scale = viewport.scale * (globalThis.devicePixelRatio || 1);
    const {
      rotation
    } = viewport;
    if (this.renderingDone) {
      const mustRotate = rotation !== this.#rotation;
      const mustRescale = scale !== this.#scale;
      if (mustRotate || mustRescale) {
        this.hide();
        (0, _pdfjsLib.updateTextLayer)({
          container: this.div,
          viewport,
          textDivs: this.textDivs,
          textDivProperties: this.textDivProperties,
          isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
          mustRescale,
          mustRotate
        });
        this.#scale = scale;
        this.#rotation = rotation;
      }
      this.show();
      return;
    }
    this.cancel();
    this.highlighter?.setTextMapping(this.textDivs, this.textContentItemsStr);
    this.accessibilityManager?.setTextMapping(this.textDivs);
    this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
      textContentSource: this.#textContentSource,
      container: this.div,
      viewport,
      textDivs: this.textDivs,
      textDivProperties: this.textDivProperties,
      textContentItemsStr: this.textContentItemsStr,
      isOffscreenCanvasSupported: this.isOffscreenCanvasSupported
    });
    await this.textLayerRenderTask.promise;
    this.#finishRendering();
    this.#scale = scale;
    this.#rotation = rotation;
    this.show();
    this.accessibilityManager?.enable();
  }
  hide() {
    if (!this.div.hidden) {
      this.highlighter?.disable();
      this.div.hidden = true;
    }
  }
  show() {
    if (this.div.hidden && this.renderingDone) {
      this.div.hidden = false;
      this.highlighter?.enable();
    }
  }
  cancel() {
    if (this.textLayerRenderTask) {
      this.textLayerRenderTask.cancel();
      this.textLayerRenderTask = null;
    }
    this.highlighter?.disable();
    this.accessibilityManager?.disable();
    this.textContentItemsStr.length = 0;
    this.textDivs.length = 0;
    this.textDivProperties = new WeakMap();
  }
  setTextContentSource(source) {
    this.cancel();
    this.#textContentSource = source;
  }
  #bindMouse() {
    const {
      div
    } = this;
    div.addEventListener("mousedown", evt => {
      const end = div.querySelector(".endOfContent");
      if (!end) {
        return;
      }
      let adjustTop = evt.target !== div;
      adjustTop &&= getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
      if (adjustTop) {
        const divBounds = div.getBoundingClientRect();
        const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
        end.style.top = (r * 100).toFixed(2) + "%";
      }
      end.classList.add("active");
    });
    div.addEventListener("mouseup", () => {
      const end = div.querySelector(".endOfContent");
      if (!end) {
        return;
      }
      end.style.top = "";
      end.classList.remove("active");
    });
  }
}
exports.TextLayerBuilder = TextLayerBuilder;

/***/ }),
/* 43 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.XfaLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(4);
class XfaLayerBuilder {
  constructor({
    pageDiv,
    pdfPage,
    annotationStorage = null,
    linkService,
    xfaHtml = null
  }) {
    this.pageDiv = pageDiv;
    this.pdfPage = pdfPage;
    this.annotationStorage = annotationStorage;
    this.linkService = linkService;
    this.xfaHtml = xfaHtml;
    this.div = null;
    this._cancelled = false;
  }
  async render(viewport, intent = "display") {
    if (intent === "print") {
      const parameters = {
        viewport: viewport.clone({
          dontFlip: true
        }),
        div: this.div,
        xfaHtml: this.xfaHtml,
        annotationStorage: this.annotationStorage,
        linkService: this.linkService,
        intent
      };
      const div = document.createElement("div");
      this.pageDiv.append(div);
      parameters.div = div;
      return _pdfjsLib.XfaLayer.render(parameters);
    }
    const xfaHtml = await this.pdfPage.getXfa();
    if (this._cancelled || !xfaHtml) {
      return {
        textDivs: []
      };
    }
    const parameters = {
      viewport: viewport.clone({
        dontFlip: true
      }),
      div: this.div,
      xfaHtml,
      annotationStorage: this.annotationStorage,
      linkService: this.linkService,
      intent
    };
    if (this.div) {
      return _pdfjsLib.XfaLayer.update(parameters);
    }
    this.div = document.createElement("div");
    this.pageDiv.append(this.div);
    parameters.div = this.div;
    return _pdfjsLib.XfaLayer.render(parameters);
  }
  cancel() {
    this._cancelled = true;
  }
  hide() {
    if (!this.div) {
      return;
    }
    this.div.hidden = true;
  }
}
exports.XfaLayerBuilder = XfaLayerBuilder;

/***/ }),
/* 44 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.SecondaryToolbar = void 0;
var _ui_utils = __webpack_require__(3);
var _pdf_viewer = __webpack_require__(31);
class SecondaryToolbar {
  constructor(options, eventBus, externalServices) {
    this.toolbar = options.toolbar;
    this.toggleButton = options.toggleButton;
    this.buttons = [{
      element: options.presentationModeButton,
      eventName: "presentationmode",
      close: true
    }, {
      element: options.printButton,
      eventName: "print",
      close: true
    }, {
      element: options.downloadButton,
      eventName: "download",
      close: true
    }, {
      element: options.viewBookmarkButton,
      eventName: null,
      close: true
    }, {
      element: options.firstPageButton,
      eventName: "firstpage",
      close: true
    }, {
      element: options.lastPageButton,
      eventName: "lastpage",
      close: true
    }, {
      element: options.pageRotateCwButton,
      eventName: "rotatecw",
      close: false
    }, {
      element: options.pageRotateCcwButton,
      eventName: "rotateccw",
      close: false
    }, {
      element: options.cursorSelectToolButton,
      eventName: "switchcursortool",
      eventDetails: {
        tool: _ui_utils.CursorTool.SELECT
      },
      close: true
    }, {
      element: options.cursorHandToolButton,
      eventName: "switchcursortool",
      eventDetails: {
        tool: _ui_utils.CursorTool.HAND
      },
      close: true
    }, {
      element: options.scrollPageButton,
      eventName: "switchscrollmode",
      eventDetails: {
        mode: _ui_utils.ScrollMode.PAGE
      },
      close: true
    }, {
      element: options.scrollVerticalButton,
      eventName: "switchscrollmode",
      eventDetails: {
        mode: _ui_utils.ScrollMode.VERTICAL
      },
      close: true
    }, {
      element: options.scrollHorizontalButton,
      eventName: "switchscrollmode",
      eventDetails: {
        mode: _ui_utils.ScrollMode.HORIZONTAL
      },
      close: true
    }, {
      element: options.scrollWrappedButton,
      eventName: "switchscrollmode",
      eventDetails: {
        mode: _ui_utils.ScrollMode.WRAPPED
      },
      close: true
    }, {
      element: options.spreadNoneButton,
      eventName: "switchspreadmode",
      eventDetails: {
        mode: _ui_utils.SpreadMode.NONE
      },
      close: true
    }, {
      element: options.spreadOddButton,
      eventName: "switchspreadmode",
      eventDetails: {
        mode: _ui_utils.SpreadMode.ODD
      },
      close: true
    }, {
      element: options.spreadEvenButton,
      eventName: "switchspreadmode",
      eventDetails: {
        mode: _ui_utils.SpreadMode.EVEN
      },
      close: true
    }, {
      element: options.documentPropertiesButton,
      eventName: "documentproperties",
      close: true
    }];
    this.buttons.push({
      element: options.openFileButton,
      eventName: "openfile",
      close: true
    });
    this.items = {
      firstPage: options.firstPageButton,
      lastPage: options.lastPageButton,
      pageRotateCw: options.pageRotateCwButton,
      pageRotateCcw: options.pageRotateCcwButton
    };
    this.eventBus = eventBus;
    this.externalServices = externalServices;
    this.opened = false;
    this.#bindClickListeners();
    this.#bindCursorToolsListener(options);
    this.#bindScrollModeListener(options);
    this.#bindSpreadModeListener(options);
    this.reset();
  }
  get isOpen() {
    return this.opened;
  }
  setPageNumber(pageNumber) {
    this.pageNumber = pageNumber;
    this.#updateUIState();
  }
  setPagesCount(pagesCount) {
    this.pagesCount = pagesCount;
    this.#updateUIState();
  }
  reset() {
    this.pageNumber = 0;
    this.pagesCount = 0;
    this.#updateUIState();
    this.eventBus.dispatch("secondarytoolbarreset", {
      source: this
    });
  }
  #updateUIState() {
    this.items.firstPage.disabled = this.pageNumber <= 1;
    if (document.getElementById("previousPage")) {
      document.getElementById("previousPage").disabled = this.pageNumber <= 1;
    }
    this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
    if (document.getElementById("nextPage")) {
      document.getElementById("nextPage").disabled = this.pageNumber >= this.pagesCount;
    }
    this.items.pageRotateCw.disabled = this.pagesCount === 0;
    this.items.pageRotateCcw.disabled = this.pagesCount === 0;
    this.eventBus.dispatch("updateuistate", {
      source: this,
      widget: "SecondaryToolbar",
      pageNumber: this.pageNumber,
      pagesCount: this.pagesCount
    });
  }
  #bindClickListeners() {
    this.toggleButton.addEventListener("click", this.toggle.bind(this));
    for (const {
      element,
      eventName,
      close,
      eventDetails
    } of this.buttons) {
      element?.addEventListener("click", evt => {
        if (eventName !== null) {
          const details = {
            source: this
          };
          for (const property in eventDetails) {
            details[property] = eventDetails[property];
          }
          this.eventBus.dispatch(eventName, details);
        }
        if (close) {
          this.close();
        }
        this.externalServices.reportTelemetry({
          type: "buttons",
          data: {
            id: element.id
          }
        });
      });
    }
  }
  #bindCursorToolsListener({
    cursorSelectToolButton,
    cursorHandToolButton
  }) {
    this.eventBus._on("cursortoolchanged", function ({
      tool
    }) {
      const isSelect = tool === _ui_utils.CursorTool.SELECT,
        isHand = tool === _ui_utils.CursorTool.HAND;
      cursorSelectToolButton.classList.toggle("toggled", isSelect);
      cursorHandToolButton.classList.toggle("toggled", isHand);
      cursorSelectToolButton.setAttribute("aria-checked", isSelect);
      cursorHandToolButton.setAttribute("aria-checked", isHand);
    });
  }
  #bindScrollModeListener({
    scrollPageButton,
    scrollVerticalButton,
    scrollHorizontalButton,
    scrollWrappedButton,
    spreadNoneButton,
    spreadOddButton,
    spreadEvenButton
  }) {
    const scrollModeChanged = ({
      mode
    }) => {
      const isPage = mode === _ui_utils.ScrollMode.PAGE,
        isVertical = mode === _ui_utils.ScrollMode.VERTICAL,
        isHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL,
        isWrapped = mode === _ui_utils.ScrollMode.WRAPPED;
      scrollPageButton.classList.toggle("toggled", isPage);
      scrollVerticalButton.classList.toggle("toggled", isVertical);
      scrollHorizontalButton.classList.toggle("toggled", isHorizontal);
      scrollWrappedButton.classList.toggle("toggled", isWrapped);
      scrollPageButton.setAttribute("aria-checked", isPage);
      scrollVerticalButton.setAttribute("aria-checked", isVertical);
      scrollHorizontalButton.setAttribute("aria-checked", isHorizontal);
      scrollWrappedButton.setAttribute("aria-checked", isWrapped);
      const forceScrollModePage = this.pagesCount > _pdf_viewer.PagesCountLimit.FORCE_SCROLL_MODE_PAGE;
      scrollPageButton.disabled = forceScrollModePage;
      scrollVerticalButton.disabled = forceScrollModePage;
      scrollHorizontalButton.disabled = forceScrollModePage;
      scrollWrappedButton.disabled = forceScrollModePage;
      spreadNoneButton.disabled = isHorizontal;
      spreadOddButton.disabled = isHorizontal;
      spreadEvenButton.disabled = isHorizontal;
    };
    this.eventBus._on("scrollmodechanged", scrollModeChanged);
    this.eventBus._on("secondarytoolbarreset", evt => {
      if (evt.source === this) {
        scrollModeChanged({
          mode: _ui_utils.ScrollMode.VERTICAL
        });
      }
    });
  }
  #bindSpreadModeListener({
    spreadNoneButton,
    spreadOddButton,
    spreadEvenButton
  }) {
    function spreadModeChanged({
      mode
    }) {
      const isNone = mode === _ui_utils.SpreadMode.NONE,
        isOdd = mode === _ui_utils.SpreadMode.ODD,
        isEven = mode === _ui_utils.SpreadMode.EVEN;
      spreadNoneButton.classList.toggle("toggled", isNone);
      spreadOddButton.classList.toggle("toggled", isOdd);
      spreadEvenButton.classList.toggle("toggled", isEven);
      spreadNoneButton.setAttribute("aria-checked", isNone);
      spreadOddButton.setAttribute("aria-checked", isOdd);
      spreadEvenButton.setAttribute("aria-checked", isEven);
    }
    this.eventBus._on("spreadmodechanged", spreadModeChanged);
    this.eventBus._on("secondarytoolbarreset", evt => {
      if (evt.source === this) {
        spreadModeChanged({
          mode: _ui_utils.SpreadMode.NONE
        });
      }
    });
  }
  open() {
    if (this.opened) {
      return;
    }
    this.opened = true;
    this.toggleButton.classList.add("toggled");
    this.toggleButton.setAttribute("aria-expanded", "true");
    this.toolbar.classList.remove("hidden");
  }
  close() {
    if (!this.opened) {
      return;
    }
    this.opened = false;
    this.toolbar.classList.add("hidden");
    this.toggleButton.classList.remove("toggled");
    this.toggleButton.setAttribute("aria-expanded", "false");
  }
  toggle() {
    if (this.opened) {
      this.close();
    } else {
      this.open();
    }
  }
}
exports.SecondaryToolbar = SecondaryToolbar;

/***/ }),
/* 45 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.Toolbar = void 0;
var _ui_utils = __webpack_require__(3);
var _pdfjsLib = __webpack_require__(4);
const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading";
class Toolbar {
  #wasLocalized = false;
  constructor(options, eventBus, l10n) {
    this.toolbar = options.container;
    this.eventBus = eventBus;
    this.l10n = l10n;
    this.buttons = [{
      element: options.previous,
      eventName: "previouspage"
    }, {
      element: options.next,
      eventName: "nextpage"
    }, {
      element: options.zoomIn,
      eventName: "zoomin"
    }, {
      element: options.zoomOut,
      eventName: "zoomout"
    }, {
      element: options.print,
      eventName: "print"
    }, {
      element: options.download,
      eventName: "download"
    }, {
      element: options.editorFreeTextButton,
      eventName: "switchannotationeditormode",
      eventDetails: {
        get mode() {
          const {
            classList
          } = options.editorFreeTextButton;
          return classList.contains("toggled") ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.FREETEXT;
        }
      }
    }, {
      element: options.editorInkButton,
      eventName: "switchannotationeditormode",
      eventDetails: {
        get mode() {
          const {
            classList
          } = options.editorInkButton;
          return classList.contains("toggled") ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.INK;
        }
      }
    }];
    this.buttons.push({
      element: options.openFile,
      eventName: "openfile"
    });
    this.items = {
      numPages: options.numPages,
      pageNumber: options.pageNumber,
      scaleSelect: options.scaleSelect,
      customScaleOption: options.customScaleOption,
      previous: options.previous,
      next: options.next,
      zoomIn: options.zoomIn,
      zoomOut: options.zoomOut
    };
    this.#bindListeners(options);
    this.reset();
  }
  setPageNumber(pageNumber, pageLabel) {
    this.pageNumber = pageNumber;
    this.pageLabel = pageLabel;
    this.#updateUIState(false);
  }
  setPagesCount(pagesCount, hasPageLabels) {
    this.pagesCount = pagesCount;
    this.hasPageLabels = hasPageLabels;
    this.#updateUIState(true);
  }
  setPageScale(pageScaleValue, pageScale) {
    this.pageScaleValue = (pageScaleValue || pageScale).toString();
    this.pageScale = pageScale;
    this.#updateUIState(false);
  }
  reset() {
    this.pageNumber = 0;
    this.pageLabel = null;
    this.hasPageLabels = false;
    this.pagesCount = 0;
    const defaultZoomOption = PDFViewerApplicationOptions.get('defaultZoomValue');
    if (defaultZoomOption) {
      this.pageScaleValue = defaultZoomOption;
      if (!!Number(defaultZoomOption)) {
        this.pageScale = Number(defaultZoomOption);
      }
    } else {
      this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
      this.pageScale = _ui_utils.DEFAULT_SCALE;
    }
    this.#updateUIState(true);
    this.updateLoadingIndicatorState();
    this.eventBus.dispatch("toolbarreset", {
      source: this
    });
  }
  #bindListeners(options) {
    const {
      pageNumber,
      scaleSelect
    } = this.items;
    const self = this;
    for (const {
      element,
      eventName,
      eventDetails
    } of this.buttons) {
      element?.addEventListener("click", evt => {
        if (eventName !== null) {
          const details = {
            source: this
          };
          if (eventDetails) {
            for (const property in eventDetails) {
              details[property] = eventDetails[property];
            }
          }
          this.eventBus.dispatch(eventName, details);
        }
      });
    }
    pageNumber.addEventListener("click", function () {
      this.select();
    });
    pageNumber.addEventListener("change", function () {
      self.eventBus.dispatch("pagenumberchanged", {
        source: self,
        value: this.value
      });
    });
    scaleSelect.addEventListener("change", function () {
      if (this.value === "custom") {
        return;
      }
      self.eventBus.dispatch("scalechanged", {
        source: self,
        value: this.value
      });
    });
    scaleSelect.addEventListener("click", function (evt) {
      const target = evt.target;
      if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") {
        this.blur();
      }
    });
    scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
    this.eventBus._on("localized", () => {
      this.#wasLocalized = true;
      this.#adjustScaleWidth();
      this.#updateUIState(true);
    });
    this.#bindEditorToolsListener(options);
  }
  #bindEditorToolsListener({
    editorFreeTextButton,
    editorFreeTextParamsToolbar,
    editorInkButton,
    editorInkParamsToolbar
  }) {
    const editorModeChanged = (evt, disableButtons = false) => {
      const editorButtons = [{
        mode: _pdfjsLib.AnnotationEditorType.FREETEXT,
        button: editorFreeTextButton,
        toolbar: editorFreeTextParamsToolbar
      }, {
        mode: _pdfjsLib.AnnotationEditorType.INK,
        button: editorInkButton,
        toolbar: editorInkParamsToolbar
      }];
      for (const {
        mode,
        button,
        toolbar
      } of editorButtons) {
        const checked = mode === evt.mode;
        button.classList.toggle("toggled", checked);
        button.setAttribute("aria-checked", checked);
        button.disabled = disableButtons;
        toolbar?.classList.toggle("hidden", !checked);
      }
    };
    this.eventBus._on("annotationeditormodechanged", editorModeChanged);
    this.eventBus._on("toolbarreset", evt => {
      if (evt.source === this) {
        editorModeChanged({
          mode: _pdfjsLib.AnnotationEditorType.NONE
        }, true);
      }
    });
  }
  #updateUIState(resetNumPages = false) {
    if (!this.#wasLocalized) {
      return;
    }
    const {
      pageNumber,
      pagesCount,
      pageScaleValue,
      pageScale,
      items
    } = this;
    if (resetNumPages) {
      if (this.hasPageLabels) {
        items.pageNumber.type = "text";
      } else {
        items.pageNumber.type = "number";
        this.l10n.get("of_pages", {
          pagesCount
        }).then(msg => {
          items.numPages.textContent = msg;
        });
      }
      items.pageNumber.max = pagesCount;
    }
    if (this.hasPageLabels) {
      items.pageNumber.value = this.pageLabel;
      this.l10n.get("page_of_pages", {
        pageNumber,
        pagesCount
      }).then(msg => {
        items.numPages.textContent = msg;
      });
    } else {
      items.pageNumber.value = pageNumber;
    }
    items.previous.disabled = pageNumber <= 1;
    items.next.disabled = pageNumber >= pagesCount;
    items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
    items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
    this.l10n.get("page_scale_percent", {
      scale: Math.round(pageScale * 10000) / 100
    }).then(msg => {
      let predefinedValueFound = false;
      if (items.scaleSelect.options) {
        for (const option of items.scaleSelect.options) {
          if (option.value !== pageScaleValue) {
            option.selected = false;
            continue;
          }
          option.selected = true;
          predefinedValueFound = true;
        }
      }
      if (!predefinedValueFound) {
        items.customScaleOption.textContent = msg;
        items.customScaleOption.selected = true;
      }
    });
    this.eventBus.dispatch("updateuistate", {
      source: this,
      widget: "Toolbar",
      pageNumber,
      pagesCount,
      pageScaleValue,
      pageScale
    });
  }
  updateLoadingIndicatorState(loading = false) {
    const {
      pageNumber
    } = this.items;
    pageNumber.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
  }
  async #adjustScaleWidth() {
    const {
      items,
      l10n
    } = this;
    const predefinedValuesPromise = Promise.all([l10n.get("page_scale_auto"), l10n.get("page_scale_actual"), l10n.get("page_scale_fit"), l10n.get("page_scale_width")]);
    await _ui_utils.animationStarted;
    const style = getComputedStyle(items.scaleSelect);
    const scaleSelectWidth = parseFloat(style.getPropertyValue("--scale-select-width"));
    const canvas = document.createElement("canvas");
    const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
      willReadFrequently: true,
      alpha: false
    } : {
      alpha: false
    };
    const ctx = canvas.getContext("2d", options);
    ctx.font = `${style.fontSize} ${style.fontFamily}`;
    let maxWidth = 0;
    for (const predefinedValue of await predefinedValuesPromise) {
      try {
        const {
          width
        } = ctx.measureText(predefinedValue);
        if (width > maxWidth) {
          maxWidth = width;
        }
      } catch (fingerprintIsBlockedException) {}
    }
    maxWidth += 0.3 * scaleSelectWidth;
    if (maxWidth > scaleSelectWidth) {
      const container = items.scaleSelect.parentNode;
      container.style.setProperty("--scale-select-width", `${maxWidth}px`);
    }
    canvas.width = 0;
    canvas.height = 0;
  }
}
exports.Toolbar = Toolbar;

/***/ }),
/* 46 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.ViewHistory = void 0;
var _app_options = __webpack_require__(5);
const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
class ViewHistory {
  constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
    this.fingerprint = fingerprint;
    this.cacheSize = cacheSize;
    this._initializedPromise = this._readFromStorage().then(databaseStr => {
      const database = JSON.parse(databaseStr || "{}");
      let index = -1;
      if (!Array.isArray(database.files)) {
        database.files = [];
      } else {
        while (database.files.length >= this.cacheSize) {
          database.files.shift();
        }
        for (let i = 0, ii = database.files.length; i < ii; i++) {
          const branch = database.files[i];
          if (branch.fingerprint === this.fingerprint) {
            index = i;
            break;
          }
        }
      }
      if (index === -1) {
        index = database.files.push({
          fingerprint: this.fingerprint
        }) - 1;
      }
      this.file = database.files[index];
      this.database = database;
    });
  }
  async _writeToStorage() {
    if (_app_options.AppOptions.get("disableHistory")) {
      return;
    }
    const databaseStr = JSON.stringify(this.database);
    try {
      localStorage.setItem("pdfjs.history", databaseStr);
    } catch (safariSecurityException) {}
  }
  async _readFromStorage() {
    if (_app_options.AppOptions.get("disableHistory")) {
      return undefined;
    }
    try {
      return localStorage.getItem("pdfjs.history");
    } catch (safariSecurityException) {
      return undefined;
    }
  }
  async set(name, val) {
    await this._initializedPromise;
    this.file[name] = val;
    return this._writeToStorage();
  }
  async setMultiple(properties) {
    await this._initializedPromise;
    for (const name in properties) {
      this.file[name] = properties[name];
    }
    return this._writeToStorage();
  }
  async get(name, defaultValue) {
    await this._initializedPromise;
    const val = this.file[name];
    return val !== undefined ? val : defaultValue;
  }
  async getMultiple(properties) {
    await this._initializedPromise;
    const values = Object.create(null);
    for (const name in properties) {
      const val = this.file[name];
      values[name] = val !== undefined ? val : properties[name];
    }
    return values;
  }
}
exports.ViewHistory = ViewHistory;

/***/ }),
/* 47 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.BasePreferences = void 0;
var _app_options = __webpack_require__(5);
class BasePreferences {
  #defaults = Object.freeze({
    "annotationEditorMode": 0,
    "annotationMode": 2,
    "cursorToolOnLoad": 0,
    "defaultZoomDelay": 400,
    "defaultZoomValue": "",
    "disablePageLabels": false,
    "enablePermissions": false,
    "enablePrintAutoRotate": true,
    "enableScripting": true,
    "externalLinkTarget": 0,
    "historyUpdateUrl": false,
    "ignoreDestinationZoom": false,
    "forcePageColors": false,
    "pageColorsBackground": "Canvas",
    "pageColorsForeground": "CanvasText",
    "pdfBugEnabled": false,
    "removePageBorders": false,
    "sidebarViewOnLoad": -1,
    "scrollModeOnLoad": -1,
    "spreadModeOnLoad": -1,
    "textLayerMode": 1,
    "useOnlyCssZoom": false,
    "viewerCssTheme": 0,
    "viewOnLoad": 0,
    "disableAutoFetch": false,
    "disableFontFace": false,
    "disableRange": false,
    "disableStream": false,
    "enableXfa": true,
    "renderer": "canvas"
  });
  #prefs = Object.create(null);
  #initializedPromise = null;
  constructor() {
    if (this.constructor === BasePreferences) {
      throw new Error("Cannot initialize BasePreferences.");
    }
    this.#initializedPromise = this._readFromStorage(this.#defaults).then(prefs => {
      for (const name in this.#defaults) {
        const prefValue = prefs?.[name];
        if (typeof prefValue === typeof this.#defaults[name]) {
          this.#prefs[name] = prefValue;
        }
      }
    });
  }
  async _writeToStorage(prefObj) {
    throw new Error("Not implemented: _writeToStorage");
  }
  async _readFromStorage(prefObj) {
    throw new Error("Not implemented: _readFromStorage");
  }
  async reset() {
    await this.#initializedPromise;
    const prefs = this.#prefs;
    this.#prefs = Object.create(null);
    return this._writeToStorage(this.#defaults).catch(reason => {
      this.#prefs = prefs;
      throw reason;
    });
  }
  async set(name, value) {
    await this.#initializedPromise;
    const defaultValue = this.#defaults[name],
      prefs = this.#prefs;
    if (defaultValue === undefined) {
      throw new Error(`Set preference: "${name}" is undefined.`);
    } else if (value === undefined) {
      throw new Error("Set preference: no value is specified.");
    }
    const valueType = typeof value,
      defaultType = typeof defaultValue;
    if (valueType !== defaultType) {
      if (valueType === "number" && defaultType === "string") {
        value = value.toString();
      } else {
        throw new Error(`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`);
      }
    } else {
      if (valueType === "number" && !Number.isInteger(value)) {
        throw new Error(`Set preference: "${value}" must be an integer.`);
      }
    }
    this.#prefs[name] = value;
    return this._writeToStorage(this.#prefs).catch(reason => {
      this.#prefs = prefs;
      throw reason;
    });
  }
  async get(name) {
    await this.#initializedPromise;
    const defaultValue = this.#defaults[name];
    if (defaultValue === undefined) {
      throw new Error(`Get preference: "${name}" is undefined.`);
    }
    return this.#prefs[name] ?? defaultValue;
  }
  async getAll() {
    await this.#initializedPromise;
    const obj = Object.create(null);
    for (const name in this.#defaults) {
      obj[name] = this.#prefs[name] ?? this.#defaults[name];
    }
    return obj;
  }
}
exports.BasePreferences = BasePreferences;

/***/ }),
/* 48 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.DownloadManager = void 0;
var _pdfjsLib = __webpack_require__(4);
;
function download(blobUrl, filename) {
  const a = document.createElement("a");
  if (!a.click) {
    throw new Error('DownloadManager: "a.click()" is not supported.');
  }
  a.href = blobUrl;
  a.target = "_parent";
  if ("download" in a) {
    a.download = filename;
  }
  (document.body || document.documentElement).append(a);
  a.click();
  a.remove();
}
class DownloadManager {
  #openBlobUrls = new WeakMap();
  downloadUrl(url, filename) {
    if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) {
      Window['ngxConsole'].error(`downloadUrl - not a valid URL: ${url}`);
      return;
    }
    download(url + "#pdfjs.action=download", filename);
  }
  downloadData(data, filename, contentType) {
    const blobUrl = URL.createObjectURL(new Blob([data], {
      type: contentType
    }));
    download(blobUrl, filename);
  }
  openOrDownloadData(element, data, filename) {
    const isPdfData = (0, _pdfjsLib.isPdfFile)(filename);
    const contentType = isPdfData ? "application/pdf" : "";
    if (isPdfData) {
      let blobUrl = this.#openBlobUrls.get(element);
      if (!blobUrl) {
        blobUrl = URL.createObjectURL(new Blob([data], {
          type: contentType
        }));
        this.#openBlobUrls.set(element, blobUrl);
      }
      try {
        window.open(blobUrl);
        return true;
      } catch (ex) {
        Window['ngxConsole'].error(`openOrDownloadData: ${ex}`);
        URL.revokeObjectURL(blobUrl);
        this.#openBlobUrls.delete(element);
      }
    }
    this.downloadData(data, filename, contentType);
    return false;
  }
  download(blob, url, filename) {
    const blobUrl = URL.createObjectURL(blob);
    download(blobUrl, filename);
  }
}
exports.DownloadManager = DownloadManager;

/***/ }),
/* 49 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.GenericL10n = void 0;
__webpack_require__(50);
var _l10n_utils = __webpack_require__(32);
const webL10n = document.webL10n;
class GenericL10n {
  constructor(lang) {
    this._lang = lang;
    this._ready = new Promise((resolve, reject) => {
      webL10n.setLanguage((0, _l10n_utils.fixupLangCode)(lang), () => {
        resolve(webL10n);
      });
    });
  }
  async getLanguage() {
    const l10n = await this._ready;
    return l10n.getLanguage();
  }
  async getDirection() {
    const l10n = await this._ready;
    return l10n.getDirection();
  }
  async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) {
    const l10n = await this._ready;
    return l10n.get(key, args, fallback);
  }
  async translate(element) {
    const l10n = await this._ready;
    return l10n.translate(element);
  }
}
exports.GenericL10n = GenericL10n;

/***/ }),
/* 50 */
/***/ (() => {



document.webL10n = function (window, document, undefined) {
  var gL10nData = {};
  var gTextData = "";
  var gTextProp = "textContent";
  var gLanguage = "";
  var gMacros = {};
  var gReadyState = "loading";
  var gAsyncResourceLoading = true;
  function getL10nResourceLinks() {
    return document.querySelectorAll('link[type="application/l10n"]');
  }
  function getL10nDictionary() {
    var script = document.querySelector('script[type="application/l10n"]');
    return script ? JSON.parse(script.innerHTML) : null;
  }
  function getTranslatableChildren(element) {
    return element ? element.querySelectorAll("*[data-l10n-id]") : [];
  }
  function getL10nAttributes(element) {
    if (!element) return {};
    var l10nId = element.getAttribute("data-l10n-id");
    var l10nArgs = element.getAttribute("data-l10n-args");
    var args = {};
    if (l10nArgs) {
      try {
        args = JSON.parse(l10nArgs);
      } catch (e) {
        const PDFViewerApplicationOptions = window.PDFViewerApplicationOptions;
        if (!PDFViewerApplicationOptions || PDFViewerApplicationOptions.get("verbosity") > 0) {
          Window['ngxConsole'].warn("could not parse arguments for #" + l10nId);
        }
      }
    }
    return {
      id: l10nId,
      args: args
    };
  }
  function fireL10nReadyEvent(lang) {
    var evtObject = document.createEvent("Event");
    evtObject.initEvent("localized", true, false);
    evtObject.language = lang;
    document.dispatchEvent(evtObject);
  }
  function xhrLoadText(url, onSuccess, onFailure) {
    onSuccess = onSuccess || function _onSuccess(data) {};
    onFailure = onFailure || function _onFailure() {};
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, gAsyncResourceLoading);
    if (xhr.overrideMimeType) {
      xhr.overrideMimeType("text/plain; charset=utf-8");
    }
    xhr.onreadystatechange = function () {
      if (xhr.readyState == 4) {
        if (xhr.status == 200 || xhr.status === 0) {
          onSuccess(xhr.responseText);
        } else {
          onFailure();
        }
      }
    };
    xhr.onerror = onFailure;
    xhr.ontimeout = onFailure;
    try {
      xhr.send(null);
    } catch (e) {
      onFailure();
    }
  }
  function parseResource(href, lang, successCallback, failureCallback) {
    var baseURL = href.replace(/[^\/]*$/, "") || "./";
    function evalString(text) {
      if (text.lastIndexOf("\\") < 0) return text;
      return text.replace(/\\\\/g, "\\").replace(/\\n/g, "\n").replace(/\\r/g, "\r").replace(/\\t/g, "\t").replace(/\\b/g, "\b").replace(/\\f/g, "\f").replace(/\\{/g, "{").replace(/\\}/g, "}").replace(/\\"/g, '"').replace(/\\'/g, "'");
    }
    function parseProperties(text, parsedPropertiesCallback) {
      var dictionary = {};
      var reBlank = /^\s*|\s*$/;
      var reComment = /^\s*#|^\s*$/;
      var reSection = /^\s*\[(.*)\]\s*$/;
      var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
      var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
      function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
        var entries = rawText.replace(reBlank, "").split(/[\r\n]+/);
        var currentLang = "*";
        var genericLang = lang.split("-", 1)[0];
        var skipLang = false;
        var match = "";
        var languagefound = false;
        function nextEntry() {
          var genericMatch = undefined;
          while (true) {
            if (!entries.length && genericMatch) {
              if (!languagefound) {
                loadImport(genericMatch, nextEntry);
              } else {
                nextEntry();
              }
              return;
            } else if (!entries.length) {
              parsedRawLinesCallback();
              return;
            }
            var line = entries.shift();
            if (reComment.test(line)) continue;
            if (extendedSyntax) {
              match = reSection.exec(line);
              if (match) {
                currentLang = match[1].toLowerCase();
                skipLang = currentLang !== "*" && currentLang !== lang && currentLang !== genericLang;
                continue;
              } else if (skipLang) {
                continue;
              }
              match = reImport.exec(line);
              if (match) {
                if (currentLang === "*" || currentLang === lang) {
                  loadImport(baseURL + match[1], nextEntry);
                  languagefound = true;
                  return;
                } else {
                  genericMatch = baseURL + match[1];
                }
              }
            }
            var tmp = line.match(reSplit);
            if (tmp && tmp.length == 3) {
              dictionary[tmp[1]] = evalString(tmp[2]);
            }
          }
        }
        nextEntry();
      }
      function loadImport(url, callback) {
        xhrLoadText(url, function (content) {
          parseRawLines(content, false, callback);
        }, function () {
          const PDFViewerApplicationOptions = window.PDFViewerApplicationOptions;
          if (!PDFViewerApplicationOptions || PDFViewerApplicationOptions.get("verbosity") > 0) {
            Window['ngxConsole'].warn(url + " not found.");
          }
          callback();
        });
      }
      parseRawLines(text, true, function () {
        parsedPropertiesCallback(dictionary);
      });
    }
    xhrLoadText(href, function (response) {
      gTextData += response;
      parseProperties(response, function (data) {
        for (var key in data) {
          var id,
            prop,
            index = key.lastIndexOf(".");
          if (index > 0) {
            id = key.substring(0, index);
            prop = key.substring(index + 1);
          } else {
            id = key;
            prop = gTextProp;
          }
          if (!gL10nData[id]) {
            gL10nData[id] = {};
          }
          gL10nData[id][prop] = data[key];
        }
        if (successCallback) {
          successCallback();
        }
      });
    }, failureCallback);
  }
  function loadLocale(lang, callback) {
    let originalCaseLang = lang;
    if (lang) {
      lang = lang.toLowerCase();
    }
    callback = callback || function _callback() {};
    clear();
    gLanguage = lang;
    var langLinks = getL10nResourceLinks();
    var langCount = langLinks.length;
    if (langCount === 0) {
      var dict = getL10nDictionary();
      if (dict && dict.locales && dict.default_locale) {
        Window['ngxConsole'].log("The PDF viewer uses the pre-compiled language bundle stored in the HTML page.");
        gL10nData = dict.locales[originalCaseLang];
        if (!gL10nData) {
          var defaultLocale = dict.default_locale.toLowerCase();
          for (var anyCaseLang in dict.locales) {
            originalCaseLang = anyCaseLang;
            anyCaseLang = anyCaseLang.toLowerCase();
            if (anyCaseLang === lang) {
              gL10nData = dict.locales[originalCaseLang];
              break;
            } else if (anyCaseLang === defaultLocale) {
              gL10nData = dict.locales[originalCaseLang];
            }
          }
        }
        callback();
      } else {
        Window['ngxConsole'].log("Could not load the translation files for the PDF viewer. Check the flag useBrowserLocale, check the locales subfolder of the assets folder, or add the locale definition to the index.html");
      }
      fireL10nReadyEvent(lang);
      gReadyState = "complete";
      return;
    }
    var onResourceLoaded = null;
    var gResourceCount = 0;
    onResourceLoaded = function () {
      gResourceCount++;
      if (gResourceCount >= langCount) {
        callback();
        fireL10nReadyEvent(lang);
        gReadyState = "complete";
      }
    };
    function L10nResourceLink(link) {
      var href = link.href;
      this.load = function (lang, callback) {
        parseResource(href, lang, callback, function () {
          const PDFViewerApplicationOptions = window.PDFViewerApplicationOptions;
          if (!PDFViewerApplicationOptions || PDFViewerApplicationOptions.get("verbosity") > 0) {
            Window['ngxConsole'].warn(href + " not found.");
            Window['ngxConsole'].warn('"' + lang + '" resource not found');
          }
          gLanguage = "";
          callback();
        });
      };
    }
    for (var i = 0; i < langCount; i++) {
      var resource = new L10nResourceLink(langLinks[i]);
      resource.load(lang, onResourceLoaded);
    }
  }
  function clear() {
    gL10nData = {};
    gTextData = "";
    gLanguage = "";
  }
  function getPluralRules(lang) {
    var locales2rules = {
      af: 3,
      ak: 4,
      am: 4,
      ar: 1,
      asa: 3,
      az: 0,
      be: 11,
      bem: 3,
      bez: 3,
      bg: 3,
      bh: 4,
      bm: 0,
      bn: 3,
      bo: 0,
      br: 20,
      brx: 3,
      bs: 11,
      ca: 3,
      cgg: 3,
      chr: 3,
      cs: 12,
      cy: 17,
      da: 3,
      de: 3,
      dv: 3,
      dz: 0,
      ee: 3,
      el: 3,
      en: 3,
      eo: 3,
      es: 3,
      et: 3,
      eu: 3,
      fa: 0,
      ff: 5,
      fi: 3,
      fil: 4,
      fo: 3,
      fr: 5,
      fur: 3,
      fy: 3,
      ga: 8,
      gd: 24,
      gl: 3,
      gsw: 3,
      gu: 3,
      guw: 4,
      gv: 23,
      ha: 3,
      haw: 3,
      he: 2,
      hi: 4,
      hr: 11,
      hu: 0,
      id: 0,
      ig: 0,
      ii: 0,
      is: 3,
      it: 3,
      iu: 7,
      ja: 0,
      jmc: 3,
      jv: 0,
      ka: 0,
      kab: 5,
      kaj: 3,
      kcg: 3,
      kde: 0,
      kea: 0,
      kk: 3,
      kl: 3,
      km: 0,
      kn: 0,
      ko: 0,
      ksb: 3,
      ksh: 21,
      ku: 3,
      kw: 7,
      lag: 18,
      lb: 3,
      lg: 3,
      ln: 4,
      lo: 0,
      lt: 10,
      lv: 6,
      mas: 3,
      mg: 4,
      mk: 16,
      ml: 3,
      mn: 3,
      mo: 9,
      mr: 3,
      ms: 0,
      mt: 15,
      my: 0,
      nah: 3,
      naq: 7,
      nb: 3,
      nd: 3,
      ne: 3,
      nl: 3,
      nn: 3,
      no: 3,
      nr: 3,
      nso: 4,
      ny: 3,
      nyn: 3,
      om: 3,
      or: 3,
      pa: 3,
      pap: 3,
      pl: 13,
      ps: 3,
      pt: 3,
      rm: 3,
      ro: 9,
      rof: 3,
      ru: 11,
      rwk: 3,
      sah: 0,
      saq: 3,
      se: 7,
      seh: 3,
      ses: 0,
      sg: 0,
      sh: 11,
      shi: 19,
      sk: 12,
      sl: 14,
      sma: 7,
      smi: 7,
      smj: 7,
      smn: 7,
      sms: 7,
      sn: 3,
      so: 3,
      sq: 3,
      sr: 11,
      ss: 3,
      ssy: 3,
      st: 3,
      sv: 3,
      sw: 3,
      syr: 3,
      ta: 3,
      te: 3,
      teo: 3,
      th: 0,
      ti: 4,
      tig: 3,
      tk: 3,
      tl: 4,
      tn: 3,
      to: 0,
      tr: 0,
      ts: 3,
      tzm: 22,
      uk: 11,
      ur: 3,
      ve: 3,
      vi: 0,
      vun: 3,
      wa: 4,
      wae: 3,
      wo: 0,
      xh: 3,
      xog: 3,
      yo: 0,
      zh: 0,
      zu: 3
    };
    function isIn(n, list) {
      return list.indexOf(n) !== -1;
    }
    function isBetween(n, start, end) {
      return start <= n && n <= end;
    }
    var pluralRules = {
      "0": function (n) {
        return "other";
      },
      "1": function (n) {
        if (isBetween(n % 100, 3, 10)) return "few";
        if (n === 0) return "zero";
        if (isBetween(n % 100, 11, 99)) return "many";
        if (n == 2) return "two";
        if (n == 1) return "one";
        return "other";
      },
      "2": function (n) {
        if (n !== 0 && n % 10 === 0) return "many";
        if (n == 2) return "two";
        if (n == 1) return "one";
        return "other";
      },
      "3": function (n) {
        if (n == 1) return "one";
        return "other";
      },
      "4": function (n) {
        if (isBetween(n, 0, 1)) return "one";
        return "other";
      },
      "5": function (n) {
        if (isBetween(n, 0, 2) && n != 2) return "one";
        return "other";
      },
      "6": function (n) {
        if (n === 0) return "zero";
        if (n % 10 == 1 && n % 100 != 11) return "one";
        return "other";
      },
      "7": function (n) {
        if (n == 2) return "two";
        if (n == 1) return "one";
        return "other";
      },
      "8": function (n) {
        if (isBetween(n, 3, 6)) return "few";
        if (isBetween(n, 7, 10)) return "many";
        if (n == 2) return "two";
        if (n == 1) return "one";
        return "other";
      },
      "9": function (n) {
        if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return "few";
        if (n == 1) return "one";
        return "other";
      },
      "10": function (n) {
        if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return "few";
        if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return "one";
        return "other";
      },
      "11": function (n) {
        if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return "few";
        if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return "many";
        if (n % 10 == 1 && n % 100 != 11) return "one";
        return "other";
      },
      "12": function (n) {
        if (isBetween(n, 2, 4)) return "few";
        if (n == 1) return "one";
        return "other";
      },
      "13": function (n) {
        if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return "few";
        if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return "many";
        if (n == 1) return "one";
        return "other";
      },
      "14": function (n) {
        if (isBetween(n % 100, 3, 4)) return "few";
        if (n % 100 == 2) return "two";
        if (n % 100 == 1) return "one";
        return "other";
      },
      "15": function (n) {
        if (n === 0 || isBetween(n % 100, 2, 10)) return "few";
        if (isBetween(n % 100, 11, 19)) return "many";
        if (n == 1) return "one";
        return "other";
      },
      "16": function (n) {
        if (n % 10 == 1 && n != 11) return "one";
        return "other";
      },
      "17": function (n) {
        if (n == 3) return "few";
        if (n === 0) return "zero";
        if (n == 6) return "many";
        if (n == 2) return "two";
        if (n == 1) return "one";
        return "other";
      },
      "18": function (n) {
        if (n === 0) return "zero";
        if (isBetween(n, 0, 2) && n !== 0 && n != 2) return "one";
        return "other";
      },
      "19": function (n) {
        if (isBetween(n, 2, 10)) return "few";
        if (isBetween(n, 0, 1)) return "one";
        return "other";
      },
      "20": function (n) {
        if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return "few";
        if (n % 1000000 === 0 && n !== 0) return "many";
        if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return "two";
        if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return "one";
        return "other";
      },
      "21": function (n) {
        if (n === 0) return "zero";
        if (n == 1) return "one";
        return "other";
      },
      "22": function (n) {
        if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return "one";
        return "other";
      },
      "23": function (n) {
        if (isBetween(n % 10, 1, 2) || n % 20 === 0) return "one";
        return "other";
      },
      "24": function (n) {
        if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return "few";
        if (isIn(n, [2, 12])) return "two";
        if (isIn(n, [1, 11])) return "one";
        return "other";
      }
    };
    var index = locales2rules[lang.replace(/-.*$/, "")];
    if (!(index in pluralRules)) {
      const PDFViewerApplicationOptions = window.PDFViewerApplicationOptions;
      if (!PDFViewerApplicationOptions || PDFViewerApplicationOptions.get("verbosity") > 0) {
        Window['ngxConsole'].warn("plural form unknown for [" + lang + "]");
      }
      return function () {
        return "other";
      };
    }
    return pluralRules[index];
  }
  gMacros.plural = function (str, param, key, prop) {
    var n = parseFloat(param);
    if (isNaN(n)) return str;
    if (prop != gTextProp) return str;
    if (!gMacros._pluralRules) {
      gMacros._pluralRules = getPluralRules(gLanguage);
    }
    var index = "[" + gMacros._pluralRules(n) + "]";
    if (n === 0 && key + "[zero]" in gL10nData) {
      str = gL10nData[key + "[zero]"][prop];
    } else if (n == 1 && key + "[one]" in gL10nData) {
      str = gL10nData[key + "[one]"][prop];
    } else if (n == 2 && key + "[two]" in gL10nData) {
      str = gL10nData[key + "[two]"][prop];
    } else if (key + index in gL10nData) {
      str = gL10nData[key + index][prop];
    } else if (key + "[other]" in gL10nData) {
      str = gL10nData[key + "[other]"][prop];
    }
    return str;
  };
  function getL10nData(key, args, fallback) {
    var data = gL10nData[key];
    if (!data) {
      const PDFViewerApplicationOptions = window.PDFViewerApplicationOptions;
      if (!PDFViewerApplicationOptions || PDFViewerApplicationOptions.get("verbosity") > 0) {
        Window['ngxConsole'].warn("Translation for the key #" + key + " is missing.");
      }
      if (!fallback) {
        return null;
      }
      data = fallback;
    }
    var rv = {};
    for (var prop in data) {
      var str = data[prop];
      str = substIndexes(str, args, key, prop);
      str = substArguments(str, args, key);
      rv[prop] = str;
    }
    return rv;
  }
  function substIndexes(str, args, key, prop) {
    var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
    var reMatch = reIndex.exec(str);
    if (!reMatch || !reMatch.length) return str;
    var macroName = reMatch[1];
    var paramName = reMatch[2];
    var param;
    if (args && paramName in args) {
      param = args[paramName];
    } else if (paramName in gL10nData) {
      param = gL10nData[paramName];
    }
    if (macroName in gMacros) {
      var macro = gMacros[macroName];
      str = macro(str, param, key, prop);
    }
    return str;
  }
  function substArguments(str, args, key) {
    var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
    return str.replace(reArgs, function (matched_text, arg) {
      if (args && arg in args) {
        return args[arg];
      }
      if (arg in gL10nData) {
        return gL10nData[arg];
      }
      Window['ngxConsole'].log("argument {{" + arg + "}} for #" + key + " is undefined.");
      return matched_text;
    });
  }
  function translateElement(element) {
    var l10n = getL10nAttributes(element);
    if (!l10n.id) return;
    var data = getL10nData(l10n.id, l10n.args);
    if (!data) {
      const PDFViewerApplicationOptions = window.PDFViewerApplicationOptions;
      if (!PDFViewerApplicationOptions || PDFViewerApplicationOptions.get("verbosity") > 0) {
        Window['ngxConsole'].warn("#" + l10n.id + " is undefined.");
      }
      return;
    }
    if (data[gTextProp]) {
      if (getChildElementCount(element) === 0) {
        element[gTextProp] = data[gTextProp];
      } else {
        var children = element.childNodes;
        var found = false;
        for (var i = 0, l = children.length; i < l; i++) {
          if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
            if (found) {
              children[i].nodeValue = "";
            } else {
              children[i].nodeValue = data[gTextProp];
              found = true;
            }
          }
        }
        if (!found) {
          var textNode = document.createTextNode(data[gTextProp]);
          element.prepend(textNode);
        }
      }
      delete data[gTextProp];
    }
    for (var k in data) {
      element[k] = data[k];
    }
  }
  function getChildElementCount(element) {
    if (element.children) {
      return element.children.length;
    }
    if (typeof element.childElementCount !== "undefined") {
      return element.childElementCount;
    }
    var count = 0;
    for (var i = 0; i < element.childNodes.length; i++) {
      count += element.nodeType === 1 ? 1 : 0;
    }
    return count;
  }
  function translateFragment(element) {
    element = element || document.documentElement;
    var children = getTranslatableChildren(element);
    var elementCount = children.length;
    for (var i = 0; i < elementCount; i++) {
      translateElement(children[i]);
    }
    translateElement(element);
  }
  return {
    get: function (key, args, fallbackString) {
      var index = key.lastIndexOf(".");
      var prop = gTextProp;
      if (index > 0) {
        prop = key.substring(index + 1);
        key = key.substring(0, index);
      }
      var fallback;
      if (fallbackString) {
        fallback = {};
        fallback[prop] = fallbackString;
      }
      var data = getL10nData(key, args, fallback);
      if (data && prop in data) {
        return data[prop];
      }
      return "{{" + key + "}}";
    },
    getData: function () {
      return gL10nData;
    },
    getText: function () {
      return gTextData;
    },
    getLanguage: function () {
      return gLanguage;
    },
    setLanguage: function (lang, callback) {
      loadLocale(lang, function () {
        if (callback) callback();
      });
    },
    getDirection: function () {
      var rtlList = ["ar", "he", "fa", "ps", "ur"];
      var shortCode = gLanguage.split("-", 1)[0];
      return rtlList.indexOf(shortCode) >= 0 ? "rtl" : "ltr";
    },
    translate: translateFragment,
    getReadyState: function () {
      return gReadyState;
    },
    ready: function (callback) {
      if (!callback) {
        return;
      } else if (gReadyState == "complete" || gReadyState == "interactive") {
        window.setTimeout(function () {
          callback();
        });
      } else if (document.addEventListener) {
        document.addEventListener("localized", function once() {
          document.removeEventListener("localized", once);
          callback();
        });
      }
    }
  };
}(window, document);

/***/ }),
/* 51 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.GenericScripting = void 0;
exports.docPropertiesLookup = docPropertiesLookup;
var _pdfjsLib = __webpack_require__(4);
async function docPropertiesLookup(pdfDocument) {
  const url = "",
    baseUrl = url.split("#")[0];
  let {
    info,
    metadata,
    contentDispositionFilename,
    contentLength
  } = await pdfDocument.getMetadata();
  if (!contentLength) {
    const {
      length
    } = await pdfDocument.getDownloadInfo();
    contentLength = length;
  }
  return {
    ...info,
    baseURL: baseUrl,
    filesize: contentLength,
    filename: contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(url),
    metadata: metadata?.getRaw(),
    authors: metadata?.get("dc:creator"),
    numPages: pdfDocument.numPages,
    URL: url
  };
}
class GenericScripting {
  constructor(sandboxBundleSrc) {
    this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(() => {
      return window.pdfjsSandbox.QuickJSSandbox();
    });
  }
  async createSandbox(data) {
    const sandbox = await this._ready;
    sandbox.create(data);
  }
  async dispatchEventInSandbox(event) {
    const sandbox = await this._ready;
    setTimeout(() => sandbox.dispatchEvent(event), 0);
  }
  async destroySandbox() {
    const sandbox = await this._ready;
    sandbox.nukeSandbox();
  }
}
exports.GenericScripting = GenericScripting;

/***/ }),
/* 52 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFPrintService = PDFPrintService;
var _pdfjsLib = __webpack_require__(4);
var _app = __webpack_require__(2);
var _canvasSize = _interopRequireDefault(__webpack_require__(39));
var _print_utils = __webpack_require__(53);
var _util = __webpack_require__(40);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
let activeService = null;
let dialog = null;
let overlayManager = null;
function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) {
  const scratchCanvas = activeService.scratchCanvas;
  let PRINT_UNITS = printResolution / _pdfjsLib.PixelsPerInch.PDF;
  let scale = 1;
  const canvasWidth = Math.floor(size.width * PRINT_UNITS);
  const canvasHeight = Math.floor(size.height * PRINT_UNITS);
  if (canvasWidth >= 4096 || canvasHeight >= 4096) {
    if (!_canvasSize.default.test({
      width: canvasWidth,
      height: canvasHeight
    })) {
      const max = determineMaxDimensions();
      scale = Math.min(max / canvasWidth, max / canvasHeight) * 0.95;
    }
    (0, _util.warn)("Page " + pageNumber + ": Reduced the [printResolution] to " + Math.floor(printResolution * scale) + " because the browser can't render larger canvases. If you see blank page in the print preview, reduce [printResolution] manually to a lower value.");
  }
  PRINT_UNITS *= scale;
  scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
  scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
  const options = window.pdfDefaultOptions.activateWillReadFrequentlyFlag ? {
    willReadFrequently: true
  } : undefined;
  const ctx = scratchCanvas.getContext("2d", options);
  ctx.save();
  ctx.fillStyle = "rgb(255, 255, 255)";
  ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
  ctx.restore();
  return Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) {
    const renderContext = {
      canvasContext: ctx,
      transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
      viewport: pdfPage.getViewport({
        scale: 1,
        rotation: size.rotation
      }),
      intent: "print",
      annotationMode: _pdfjsLib.AnnotationMode.ENABLE_STORAGE,
      optionalContentConfigPromise,
      background: PDFViewerApplicationOptions.get("pdfBackgroundColor"),
      printAnnotationStorage
    };
    return pdfPage.render(renderContext).promise;
  });
}
function determineMaxDimensions() {
  const checklist = [4096, 8192, 10836, 11180, 11402, 14188, 16384];
  for (let width of checklist) {
    if (!_canvasSize.default.test({
      width: width + 1,
      height: width + 1
    })) {
      return width;
    }
  }
  return 16384;
}
function PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise = null, printAnnotationStoragePromise = null, l10n, eventBus) {
  this.pdfDocument = pdfDocument;
  this.pagesOverview = pagesOverview;
  this.printContainer = printContainer;
  this._printResolution = printResolution || 150;
  this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig();
  this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve();
  this.l10n = l10n;
  this.currentPage = -1;
  this.scratchCanvas = document.createElement("canvas");
  this.eventBus = eventBus;
}
PDFPrintService.prototype = {
  layout() {
    this.throwIfInactive();
    const body = document.querySelector("body");
    body.setAttribute("data-pdfjsprinting", true);
    const html = document.querySelector("html");
    html.setAttribute("data-pdfjsprinting", true);
    const hasEqualPageSizes = this.pagesOverview.every(function (size) {
      return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
    }, this);
    if (!hasEqualPageSizes) {
      Window["ngxConsole"].warn("Not all pages have the same size. The printed " + "result may be incorrect!");
    }
    this.pageStyleSheet = document.createElement("style");
    const pageSize = this.pagesOverview[0];
    this.pageStyleSheet.textContent = "@page { size: " + pageSize.width + "pt " + pageSize.height + "pt;}";
    body.append(this.pageStyleSheet);
  },
  destroy() {
    if (activeService !== this) {
      return;
    }
    this.printContainer.textContent = "";
    const body = document.querySelector("body");
    body.removeAttribute("data-pdfjsprinting");
    const html = document.querySelector("html");
    html.removeAttribute("data-pdfjsprinting");
    if (this.pageStyleSheet) {
      this.pageStyleSheet.remove();
      this.pageStyleSheet = null;
    }
    this.scratchCanvas.width = this.scratchCanvas.height = 0;
    this.scratchCanvas = null;
    activeService = null;
    ensureOverlay().then(function () {
      if (overlayManager.active === dialog) {
        overlayManager.close(dialog);
        overlayManager.unregister(dialog);
      }
    });
    overlayPromise = undefined;
  },
  renderPages() {
    if (this.pdfDocument.isPureXfa) {
      (0, _print_utils.getXfaHtmlForPrinting)(this.printContainer, this.pdfDocument);
      return Promise.resolve();
    }
    const pageCount = this.pagesOverview.length;
    const renderNextPage = (resolve, reject) => {
      this.throwIfInactive();
      while (true) {
        ++this.currentPage;
        if (this.currentPage >= pageCount) {
          break;
        }
        if (!window.isInPDFPrintRange || window.isInPDFPrintRange(this.currentPage)) {
          break;
        }
      }
      if (this.currentPage >= pageCount) {
        renderProgress(window.filteredPageCount | pageCount, window.filteredPageCount | pageCount, this.l10n, this.eventBus);
        resolve();
        return;
      }
      const index = this.currentPage;
      renderProgress(index, window.filteredPageCount | pageCount, this.l10n, this.eventBus);
      renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise, this._printAnnotationStoragePromise).then(this.useRenderedPage.bind(this)).then(function () {
        renderNextPage(resolve, reject);
      }, reject);
    };
    return new Promise(renderNextPage);
  },
  useRenderedPage() {
    this.throwIfInactive();
    const img = document.createElement("img");
    const scratchCanvas = this.scratchCanvas;
    if ("toBlob" in scratchCanvas) {
      scratchCanvas.toBlob(function (blob) {
        img.src = URL.createObjectURL(blob);
      });
    } else {
      img.src = scratchCanvas.toDataURL();
    }
    const wrapper = document.createElement("div");
    wrapper.className = "printedPage";
    wrapper.append(img);
    this.printContainer.append(wrapper);
    return new Promise(function (resolve, reject) {
      img.onload = resolve;
      img.onerror = reject;
    });
  },
  performPrint() {
    this.throwIfInactive();
    return new Promise(resolve => {
      setTimeout(() => {
        if (!this.active) {
          resolve();
          return;
        }
        print.call(window);
        const isIOS = navigator.platform && ["iPad Simulator", "iPhone Simulator", "iPod Simulator", "iPad", "iPhone", "iPod"].includes(navigator.platform) || navigator.userAgent.includes("Mac") && "ontouchend" in document;
        setTimeout(resolve, isIOS ? 1500 : 20);
      }, 0);
    });
  },
  get active() {
    return this === activeService;
  },
  throwIfInactive() {
    if (!this.active) {
      throw new Error("This print request was cancelled or completed.");
    }
  }
};
const print = window.print;
window.printPDF = function printPdf() {
  if (!_app.PDFViewerApplication.enablePrint) {
    return;
  }
  if (activeService) {
    Window["ngxConsole"].warn("Ignored window.printPDF() because of a pending print job.");
    return;
  }
  ensureOverlay().then(function () {
    if (activeService) {
      overlayManager.open(dialog);
    }
  });
  try {
    dispatchEvent("beforeprint");
  } finally {
    if (!activeService) {
      Window["ngxConsole"].error("Expected print service to be initialized.");
      ensureOverlay().then(function () {
        if (overlayManager.active === dialog) {
          overlayManager.close(dialog);
        }
      });
      return;
    }
    const activeServiceOnEntry = activeService;
    activeService.renderPages().then(function () {
      const progressIndicator = document.getElementById("printServiceDialog");
      if (progressIndicator) {
        progressIndicator.classList.add("hidden");
      }
      return activeServiceOnEntry.performPrint();
    }).catch(function () {}).then(function () {
      if (activeServiceOnEntry.active) {
        abort();
      }
    });
  }
};
function dispatchEvent(eventType) {
  const event = document.createEvent("CustomEvent");
  event.initCustomEvent(eventType, false, false, "custom");
  window.dispatchEvent(event);
}
function abort() {
  if (activeService) {
    activeService.destroy();
    dispatchEvent("afterprint");
  }
}
function renderProgress(index, total, l10n, eventBus) {
  dialog = document.getElementById("printServiceDialog");
  const progress = Math.round(100 * index / total);
  const progressBar = dialog.querySelector("progress");
  const progressPerc = dialog.querySelector(".relative-progress");
  progressBar.value = progress;
  l10n.get("print_progress_percent", {
    progress
  }).then(msg => {
    progressPerc.textContent = msg;
  });
  eventBus.dispatch("progress", {
    source: this,
    type: "print",
    total,
    page: index,
    percent: 100 * index / total
  });
}
window.addEventListener("keydown", function (event) {
  if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
    window.print();
    event.preventDefault();
    event.stopImmediatePropagation();
  }
}, true);
if ("onbeforeprint" in window) {
  const stopPropagationIfNeeded = function (event) {
    if (event.detail !== "custom") {
      event.stopImmediatePropagation();
    }
  };
  window.addEventListener("beforeprint", stopPropagationIfNeeded);
  window.addEventListener("afterprint", stopPropagationIfNeeded);
}
let overlayPromise;
function ensureOverlay() {
  if (!overlayPromise) {
    overlayManager = _app.PDFViewerApplication.overlayManager;
    if (!overlayManager) {
      throw new Error("The overlay manager has not yet been initialized.");
    }
    dialog = document.getElementById("printServiceDialog");
    overlayPromise = overlayManager.register(dialog, true);
    document.getElementById("printCancel").onclick = abort;
    dialog.addEventListener("close", abort);
  }
  return overlayPromise;
}
_app.PDFPrintServiceFactory.instance = {
  supportsPrinting: true,
  createPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise, l10n, eventBus) {
    if (activeService) {
      throw new Error("The print service is created and active.");
    }
    activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise, l10n, eventBus);
    return activeService;
  }
};

/***/ }),
/* 53 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.getXfaHtmlForPrinting = getXfaHtmlForPrinting;
var _pdfjsLib = __webpack_require__(4);
var _pdf_link_service = __webpack_require__(7);
var _xfa_layer_builder = __webpack_require__(43);
function getXfaHtmlForPrinting(printContainer, pdfDocument) {
  const xfaHtml = pdfDocument.allXfaHtml;
  const linkService = new _pdf_link_service.SimpleLinkService();
  const scale = Math.round(_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100;
  for (const xfaPage of xfaHtml.children) {
    const page = document.createElement("div");
    page.className = "xfaPrintedPage";
    printContainer.append(page);
    const builder = new _xfa_layer_builder.XfaLayerBuilder({
      pageDiv: page,
      pdfPage: null,
      annotationStorage: pdfDocument.annotationStorage,
      linkService,
      xfaHtml: xfaPage
    });
    const viewport = (0, _pdfjsLib.getXfaPageViewport)(xfaPage, {
      scale
    });
    builder.render(viewport, "print");
  }
}

/***/ })
/******/ 	]);
/************************************************************************/
/******/ 	// The module cache
/******/ 	var __webpack_module_cache__ = {};
/******/ 	
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/ 		// Check if module is in cache
/******/ 		var cachedModule = __webpack_module_cache__[moduleId];
/******/ 		if (cachedModule !== undefined) {
/******/ 			return cachedModule.exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			// no module.id needed
/******/ 			// no module.loaded needed
/******/ 			exports: {}
/******/ 		};
/******/ 	
/******/ 		// Execute the module function
/******/ 		__webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/ 	
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/ 	
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
(() => {
var exports = __webpack_exports__;


Object.defineProperty(exports, "__esModule", ({
  value: true
}));
Object.defineProperty(exports, "PDFViewerApplication", ({
  enumerable: true,
  get: function () {
    return _app.PDFViewerApplication;
  }
}));
exports.PDFViewerApplicationConstants = void 0;
Object.defineProperty(exports, "PDFViewerApplicationOptions", ({
  enumerable: true,
  get: function () {
    return _app_options.AppOptions;
  }
}));
__webpack_require__(1);
__webpack_require__(52);
var _ui_utils = __webpack_require__(3);
var _app_options = __webpack_require__(5);
var _pdf_link_service = __webpack_require__(7);
var _app = __webpack_require__(2);
const pdfjsVersion = '3.4.493';
const pdfjsBuild = '7b85cf0e7';
const AppConstants = {
  LinkTarget: _pdf_link_service.LinkTarget,
  RenderingStates: _ui_utils.RenderingStates,
  ScrollMode: _ui_utils.ScrollMode,
  SpreadMode: _ui_utils.SpreadMode
};
exports.PDFViewerApplicationConstants = AppConstants;
window.PDFViewerApplication = _app.PDFViewerApplication;
window.PDFViewerApplicationConstants = AppConstants;
window.PDFViewerApplicationOptions = _app_options.AppOptions;
if (!HTMLCollection.prototype[Symbol.iterator]) {
  HTMLCollection.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
}
(function () {
  if (typeof window.CustomEvent === "function") {
    return;
  }
  function CustomEvent(event, params) {
    params = params || {
      bubbles: false,
      cancelable: false,
      detail: null
    };
    const evt = document.createEvent("CustomEvent");
    evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
    return evt;
  }
  window.CustomEvent = CustomEvent;
})();
function getViewerConfiguration() {
  return {
    appContainer: document.body,
    mainContainer: document.getElementById("viewerContainer"),
    viewerContainer: document.getElementById("viewer"),
    toolbar: {
      container: document.getElementById("toolbarViewer"),
      numPages: document.getElementById("numPages"),
      pageNumber: document.getElementById("pageNumber"),
      scaleSelect: document.getElementById("scaleSelect"),
      customScaleOption: document.getElementById("customScaleOption"),
      previous: document.getElementById("previous"),
      next: document.getElementById("next"),
      zoomIn: document.getElementById("zoomIn"),
      zoomOut: document.getElementById("zoomOut"),
      viewFind: document.getElementById("viewFind"),
      openFile: document.getElementById("openFile"),
      print: document.getElementById("print"),
      editorFreeTextButton: document.getElementById("editorFreeText"),
      editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"),
      editorInkButton: document.getElementById("editorInk"),
      editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"),
      download: document.getElementById("download")
    },
    secondaryToolbar: {
      toolbar: document.getElementById("secondaryToolbar"),
      toggleButton: document.getElementById("secondaryToolbarToggle"),
      presentationModeButton: document.getElementById("presentationMode"),
      openFileButton: document.getElementById("secondaryOpenFile"),
      printButton: document.getElementById("secondaryPrint"),
      downloadButton: document.getElementById("secondaryDownload"),
      viewBookmarkButton: document.getElementById("viewBookmark"),
      firstPageButton: document.getElementById("firstPage"),
      lastPageButton: document.getElementById("lastPage"),
      pageRotateCwButton: document.getElementById("pageRotateCw"),
      pageRotateCcwButton: document.getElementById("pageRotateCcw"),
      cursorSelectToolButton: document.getElementById("cursorSelectTool"),
      cursorHandToolButton: document.getElementById("cursorHandTool"),
      scrollPageButton: document.getElementById("scrollPage"),
      scrollVerticalButton: document.getElementById("scrollVertical"),
      scrollHorizontalButton: document.getElementById("scrollHorizontal"),
      scrollWrappedButton: document.getElementById("scrollWrapped"),
      spreadNoneButton: document.getElementById("spreadNone"),
      spreadOddButton: document.getElementById("spreadOdd"),
      spreadEvenButton: document.getElementById("spreadEven"),
      documentPropertiesButton: document.getElementById("documentProperties")
    },
    sidebar: {
      outerContainer: document.getElementById("outerContainer"),
      sidebarContainer: document.getElementById("sidebarContainer"),
      toggleButton: document.getElementById("sidebarToggle"),
      thumbnailButton: document.getElementById("viewThumbnail"),
      outlineButton: document.getElementById("viewOutline"),
      attachmentsButton: document.getElementById("viewAttachments"),
      layersButton: document.getElementById("viewLayers"),
      thumbnailView: document.getElementById("thumbnailView"),
      outlineView: document.getElementById("outlineView"),
      attachmentsView: document.getElementById("attachmentsView"),
      layersView: document.getElementById("layersView"),
      outlineOptionsContainer: document.getElementById("outlineOptionsContainer"),
      currentOutlineItemButton: document.getElementById("currentOutlineItem")
    },
    sidebarResizer: {
      outerContainer: document.getElementById("outerContainer"),
      resizer: document.getElementById("sidebarResizer")
    },
    findBar: {
      bar: document.getElementById("findbar"),
      toggleButton: document.getElementById("viewFind"),
      findField: document.getElementById("findInput"),
      findFieldMultiline: document.getElementById("findInputMultiline"),
      highlightAllCheckbox: document.getElementById("findHighlightAll"),
      findCurrentPageCheckbox: document.getElementById("findCurrentPage"),
      findPageRangeField: document.getElementById("findRange"),
      caseSensitiveCheckbox: document.getElementById("findMatchCase"),
      matchDiacriticsCheckbox: document.getElementById("findMatchDiacritics"),
      entireWordCheckbox: document.getElementById("findEntireWord"),
      findMultipleSearchTextsCheckbox: document.getElementById("findMultipleSearchTexts"),
      ignoreAccentsCheckbox: document.getElementById("findIgnoreAccents"),
      fuzzyCheckbox: document.getElementById("findFuzzy"),
      findMsg: document.getElementById("findMsg"),
      findResultsCount: document.getElementById("findResultsCount"),
      findPreviousButton: document.getElementById("findPrevious"),
      findNextButton: document.getElementById("findNext")
    },
    passwordOverlay: {
      dialog: document.getElementById("passwordDialog"),
      label: document.getElementById("passwordText"),
      input: document.getElementById("password"),
      submitButton: document.getElementById("passwordSubmit"),
      cancelButton: document.getElementById("passwordCancel")
    },
    documentProperties: {
      dialog: document.getElementById("documentPropertiesDialog"),
      closeButton: document.getElementById("documentPropertiesClose"),
      fields: {
        fileName: document.getElementById("fileNameField"),
        fileSize: document.getElementById("fileSizeField"),
        title: document.getElementById("titleField"),
        author: document.getElementById("authorField"),
        subject: document.getElementById("subjectField"),
        keywords: document.getElementById("keywordsField"),
        creationDate: document.getElementById("creationDateField"),
        modificationDate: document.getElementById("modificationDateField"),
        creator: document.getElementById("creatorField"),
        producer: document.getElementById("producerField"),
        version: document.getElementById("versionField"),
        pageCount: document.getElementById("pageCountField"),
        pageSize: document.getElementById("pageSizeField"),
        linearized: document.getElementById("linearizedField")
      }
    },
    annotationEditorParams: {
      editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"),
      editorFreeTextColor: document.getElementById("editorFreeTextColor"),
      editorInkColor: document.getElementById("editorInkColor"),
      editorInkThickness: document.getElementById("editorInkThickness"),
      editorInkOpacity: document.getElementById("editorInkOpacity")
    },
    printContainer: document.getElementById("printContainer"),
    openFileInput: document.getElementById("fileInput"),
    debuggerScriptPath: "./debugger.js"
  };
}
function webViewerLoad() {
  const config = getViewerConfiguration();
  const event = document.createEvent("CustomEvent");
  event.initCustomEvent("webviewerloaded", true, true, {
    source: window
  });
  try {
    parent.document.dispatchEvent(event);
  } catch (ex) {
    console.error(`webviewerloaded: ${ex}`);
    document.dispatchEvent(event);
  }
  _app.PDFViewerApplication.run(config);
}
document.blockUnblockOnload?.(true);
window.webViewerLoad = webViewerLoad;
})();

/******/ })()
;
});