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19 |
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20 |
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21 |
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22 |
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23 | (function webpackUniversalModuleDefinition(root, factory) {
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24 | if(typeof exports === 'object' && typeof module === 'object')
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25 | module.exports = factory();
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26 | else if(typeof define === 'function' && define.amd)
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27 | define("pdfjs-dist/web/pdf_viewer", [], factory);
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28 | else if(typeof exports === 'object')
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29 | exports["pdfjs-dist/web/pdf_viewer"] = factory();
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30 | else
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31 | root["pdfjs-dist/web/pdf_viewer"] = root.pdfjsViewer = factory();
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32 | })(this, function() {
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33 | return (function(modules) {
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34 |
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35 | var installedModules = {};
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36 |
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37 |
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38 | function __w_pdfjs_require__(moduleId) {
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39 |
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40 |
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41 | if(installedModules[moduleId]) {
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42 | return installedModules[moduleId].exports;
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43 | }
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44 |
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45 | var module = installedModules[moduleId] = {
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46 | i: moduleId,
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47 | l: false,
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48 | exports: {}
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49 | };
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50 |
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51 |
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52 | modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
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53 |
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54 |
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55 | module.l = true;
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56 |
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57 |
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58 | return module.exports;
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59 | }
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60 |
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61 |
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62 |
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63 | __w_pdfjs_require__.m = modules;
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64 |
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65 |
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66 | __w_pdfjs_require__.c = installedModules;
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67 |
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68 |
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69 | __w_pdfjs_require__.d = function(exports, name, getter) {
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70 | if(!__w_pdfjs_require__.o(exports, name)) {
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71 | Object.defineProperty(exports, name, { enumerable: true, get: getter });
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72 | }
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73 | };
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74 |
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75 |
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76 | __w_pdfjs_require__.r = function(exports) {
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77 | if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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78 | Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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79 | }
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80 | Object.defineProperty(exports, '__esModule', { value: true });
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81 | };
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82 |
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83 |
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84 |
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85 |
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86 |
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87 |
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88 | __w_pdfjs_require__.t = function(value, mode) {
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89 | if(mode & 1) value = __w_pdfjs_require__(value);
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90 | if(mode & 8) return value;
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91 | if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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92 | var ns = Object.create(null);
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93 | __w_pdfjs_require__.r(ns);
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94 | Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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95 | if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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96 | return ns;
|
97 | };
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98 |
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99 |
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100 | __w_pdfjs_require__.n = function(module) {
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101 | var getter = module && module.__esModule ?
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102 | function getDefault() { return module['default']; } :
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103 | function getModuleExports() { return module; };
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104 | __w_pdfjs_require__.d(getter, 'a', getter);
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105 | return getter;
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106 | };
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107 |
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108 |
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109 | __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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110 |
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111 |
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112 | __w_pdfjs_require__.p = "";
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113 |
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114 |
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115 |
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116 | return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
|
117 | })
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118 |
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119 | ([
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120 |
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121 | (function(module, exports, __w_pdfjs_require__) {
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122 |
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123 | "use strict";
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124 |
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125 |
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126 | Object.defineProperty(exports, "__esModule", {
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127 | value: true
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128 | });
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129 | Object.defineProperty(exports, "AnnotationLayerBuilder", {
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130 | enumerable: true,
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131 | get: function () {
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132 | return _annotation_layer_builder.AnnotationLayerBuilder;
|
133 | }
|
134 | });
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135 | Object.defineProperty(exports, "DefaultAnnotationLayerFactory", {
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136 | enumerable: true,
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137 | get: function () {
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138 | return _annotation_layer_builder.DefaultAnnotationLayerFactory;
|
139 | }
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140 | });
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141 | Object.defineProperty(exports, "DefaultTextLayerFactory", {
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142 | enumerable: true,
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143 | get: function () {
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144 | return _text_layer_builder.DefaultTextLayerFactory;
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145 | }
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146 | });
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147 | Object.defineProperty(exports, "TextLayerBuilder", {
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148 | enumerable: true,
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149 | get: function () {
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150 | return _text_layer_builder.TextLayerBuilder;
|
151 | }
|
152 | });
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153 | Object.defineProperty(exports, "EventBus", {
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154 | enumerable: true,
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155 | get: function () {
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156 | return _ui_utils.EventBus;
|
157 | }
|
158 | });
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159 | Object.defineProperty(exports, "NullL10n", {
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160 | enumerable: true,
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161 | get: function () {
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162 | return _ui_utils.NullL10n;
|
163 | }
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164 | });
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165 | Object.defineProperty(exports, "ProgressBar", {
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166 | enumerable: true,
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167 | get: function () {
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168 | return _ui_utils.ProgressBar;
|
169 | }
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170 | });
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171 | Object.defineProperty(exports, "PDFLinkService", {
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172 | enumerable: true,
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173 | get: function () {
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174 | return _pdf_link_service.PDFLinkService;
|
175 | }
|
176 | });
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177 | Object.defineProperty(exports, "SimpleLinkService", {
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178 | enumerable: true,
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179 | get: function () {
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180 | return _pdf_link_service.SimpleLinkService;
|
181 | }
|
182 | });
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183 | Object.defineProperty(exports, "DownloadManager", {
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184 | enumerable: true,
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185 | get: function () {
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186 | return _download_manager.DownloadManager;
|
187 | }
|
188 | });
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189 | Object.defineProperty(exports, "GenericL10n", {
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190 | enumerable: true,
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191 | get: function () {
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192 | return _genericl10n.GenericL10n;
|
193 | }
|
194 | });
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195 | Object.defineProperty(exports, "PDFFindController", {
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196 | enumerable: true,
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197 | get: function () {
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198 | return _pdf_find_controller.PDFFindController;
|
199 | }
|
200 | });
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201 | Object.defineProperty(exports, "PDFHistory", {
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202 | enumerable: true,
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203 | get: function () {
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204 | return _pdf_history.PDFHistory;
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205 | }
|
206 | });
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207 | Object.defineProperty(exports, "PDFPageView", {
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208 | enumerable: true,
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209 | get: function () {
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210 | return _pdf_page_view.PDFPageView;
|
211 | }
|
212 | });
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213 | Object.defineProperty(exports, "PDFSinglePageViewer", {
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214 | enumerable: true,
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215 | get: function () {
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216 | return _pdf_single_page_viewer.PDFSinglePageViewer;
|
217 | }
|
218 | });
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219 | Object.defineProperty(exports, "PDFViewer", {
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220 | enumerable: true,
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221 | get: function () {
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222 | return _pdf_viewer.PDFViewer;
|
223 | }
|
224 | });
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225 |
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226 | var _annotation_layer_builder = __w_pdfjs_require__(1);
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227 |
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228 | var _text_layer_builder = __w_pdfjs_require__(5);
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229 |
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230 | var _ui_utils = __w_pdfjs_require__(3);
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231 |
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232 | var _pdf_link_service = __w_pdfjs_require__(4);
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233 |
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234 | var _download_manager = __w_pdfjs_require__(6);
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235 |
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236 | var _genericl10n = __w_pdfjs_require__(8);
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237 |
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238 | var _pdf_find_controller = __w_pdfjs_require__(10);
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239 |
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240 | var _pdf_history = __w_pdfjs_require__(12);
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241 |
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242 | var _pdf_page_view = __w_pdfjs_require__(13);
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243 |
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244 | var _pdf_single_page_viewer = __w_pdfjs_require__(15);
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245 |
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246 | var _pdf_viewer = __w_pdfjs_require__(17);
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247 |
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248 | const pdfjsVersion = '2.5.207';
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249 | const pdfjsBuild = '0974d605';
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250 |
|
251 | }),
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252 |
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253 | (function(module, exports, __w_pdfjs_require__) {
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254 |
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255 | "use strict";
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256 |
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257 |
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258 | Object.defineProperty(exports, "__esModule", {
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259 | value: true
|
260 | });
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261 | exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;
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262 |
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263 | var _pdfjsLib = __w_pdfjs_require__(2);
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264 |
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265 | var _ui_utils = __w_pdfjs_require__(3);
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266 |
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267 | var _pdf_link_service = __w_pdfjs_require__(4);
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268 |
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269 | class AnnotationLayerBuilder {
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270 | constructor({
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271 | pageDiv,
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272 | pdfPage,
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273 | linkService,
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274 | downloadManager,
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275 | imageResourcesPath = "",
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276 | renderInteractiveForms = false,
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277 | l10n = _ui_utils.NullL10n
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278 | }) {
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279 | this.pageDiv = pageDiv;
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280 | this.pdfPage = pdfPage;
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281 | this.linkService = linkService;
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282 | this.downloadManager = downloadManager;
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283 | this.imageResourcesPath = imageResourcesPath;
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284 | this.renderInteractiveForms = renderInteractiveForms;
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285 | this.l10n = l10n;
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286 | this.div = null;
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287 | this._cancelled = false;
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288 | }
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289 |
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290 | render(viewport, intent = "display") {
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291 | this.pdfPage.getAnnotations({
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292 | intent
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293 | }).then(annotations => {
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294 | if (this._cancelled) {
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295 | return;
|
296 | }
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297 |
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298 | const parameters = {
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299 | viewport: viewport.clone({
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300 | dontFlip: true
|
301 | }),
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302 | div: this.div,
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303 | annotations,
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304 | page: this.pdfPage,
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305 | imageResourcesPath: this.imageResourcesPath,
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306 | renderInteractiveForms: this.renderInteractiveForms,
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307 | linkService: this.linkService,
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308 | downloadManager: this.downloadManager
|
309 | };
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310 |
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311 | if (this.div) {
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312 | _pdfjsLib.AnnotationLayer.update(parameters);
|
313 | } else {
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314 | if (annotations.length === 0) {
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315 | return;
|
316 | }
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317 |
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318 | this.div = document.createElement("div");
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319 | this.div.className = "annotationLayer";
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320 | this.pageDiv.appendChild(this.div);
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321 | parameters.div = this.div;
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322 |
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323 | _pdfjsLib.AnnotationLayer.render(parameters);
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324 |
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325 | this.l10n.translate(this.div);
|
326 | }
|
327 | });
|
328 | }
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329 |
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330 | cancel() {
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331 | this._cancelled = true;
|
332 | }
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333 |
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334 | hide() {
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335 | if (!this.div) {
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336 | return;
|
337 | }
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338 |
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339 | this.div.setAttribute("hidden", "true");
|
340 | }
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341 |
|
342 | }
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343 |
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344 | exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
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345 |
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346 | class DefaultAnnotationLayerFactory {
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347 | createAnnotationLayerBuilder(pageDiv, pdfPage, imageResourcesPath = "", renderInteractiveForms = false, l10n = _ui_utils.NullL10n) {
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348 | return new AnnotationLayerBuilder({
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349 | pageDiv,
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350 | pdfPage,
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351 | imageResourcesPath,
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352 | renderInteractiveForms,
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353 | linkService: new _pdf_link_service.SimpleLinkService(),
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354 | l10n
|
355 | });
|
356 | }
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357 |
|
358 | }
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359 |
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360 | exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
|
361 |
|
362 | }),
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363 |
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364 | (function(module, exports, __w_pdfjs_require__) {
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365 |
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366 | "use strict";
|
367 |
|
368 |
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369 | let pdfjsLib;
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370 |
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371 | if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
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372 | pdfjsLib = window["pdfjs-dist/build/pdf"];
|
373 | } else {
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374 | pdfjsLib = require("../build/pdf.js");
|
375 | }
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376 |
|
377 | module.exports = pdfjsLib;
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378 |
|
379 | }),
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380 |
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381 | (function(module, exports, __w_pdfjs_require__) {
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382 |
|
383 | "use strict";
|
384 |
|
385 |
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386 | Object.defineProperty(exports, "__esModule", {
|
387 | value: true
|
388 | });
|
389 | exports.isValidRotation = isValidRotation;
|
390 | exports.isValidScrollMode = isValidScrollMode;
|
391 | exports.isValidSpreadMode = isValidSpreadMode;
|
392 | exports.isPortraitOrientation = isPortraitOrientation;
|
393 | exports.clamp = clamp;
|
394 | exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
|
395 | exports.noContextMenuHandler = noContextMenuHandler;
|
396 | exports.parseQueryString = parseQueryString;
|
397 | exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
|
398 | exports.getVisibleElements = getVisibleElements;
|
399 | exports.roundToDivide = roundToDivide;
|
400 | exports.getPageSizeInches = getPageSizeInches;
|
401 | exports.approximateFraction = approximateFraction;
|
402 | exports.getOutputScale = getOutputScale;
|
403 | exports.scrollIntoView = scrollIntoView;
|
404 | exports.watchScroll = watchScroll;
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405 | exports.binarySearchFirstItem = binarySearchFirstItem;
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406 | exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
|
407 | exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
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408 | exports.moveToEndOfArray = moveToEndOfArray;
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409 | exports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = exports.AutoPrintRegExp = void 0;
|
410 | const CSS_UNITS = 96.0 / 72.0;
|
411 | exports.CSS_UNITS = CSS_UNITS;
|
412 | const DEFAULT_SCALE_VALUE = "auto";
|
413 | exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
|
414 | const DEFAULT_SCALE = 1.0;
|
415 | exports.DEFAULT_SCALE = DEFAULT_SCALE;
|
416 | const MIN_SCALE = 0.1;
|
417 | exports.MIN_SCALE = MIN_SCALE;
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418 | const MAX_SCALE = 10.0;
|
419 | exports.MAX_SCALE = MAX_SCALE;
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420 | const UNKNOWN_SCALE = 0;
|
421 | exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
|
422 | const MAX_AUTO_SCALE = 1.25;
|
423 | exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
|
424 | const SCROLLBAR_PADDING = 40;
|
425 | exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
|
426 | const VERTICAL_PADDING = 5;
|
427 | exports.VERTICAL_PADDING = VERTICAL_PADDING;
|
428 | const PresentationModeState = {
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429 | UNKNOWN: 0,
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430 | NORMAL: 1,
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431 | CHANGING: 2,
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432 | FULLSCREEN: 3
|
433 | };
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434 | exports.PresentationModeState = PresentationModeState;
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435 | const RendererType = {
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436 | CANVAS: "canvas",
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437 | SVG: "svg"
|
438 | };
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439 | exports.RendererType = RendererType;
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440 | const TextLayerMode = {
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441 | DISABLE: 0,
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442 | ENABLE: 1,
|
443 | ENABLE_ENHANCE: 2
|
444 | };
|
445 | exports.TextLayerMode = TextLayerMode;
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446 | const ScrollMode = {
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447 | UNKNOWN: -1,
|
448 | VERTICAL: 0,
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449 | HORIZONTAL: 1,
|
450 | WRAPPED: 2
|
451 | };
|
452 | exports.ScrollMode = ScrollMode;
|
453 | const SpreadMode = {
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454 | UNKNOWN: -1,
|
455 | NONE: 0,
|
456 | ODD: 1,
|
457 | EVEN: 2
|
458 | };
|
459 | exports.SpreadMode = SpreadMode;
|
460 | const AutoPrintRegExp = /\bprint\s*\(/;
|
461 | exports.AutoPrintRegExp = AutoPrintRegExp;
|
462 |
|
463 | function formatL10nValue(text, args) {
|
464 | if (!args) {
|
465 | return text;
|
466 | }
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467 |
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468 | return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
|
469 | return name in args ? args[name] : "{{" + name + "}}";
|
470 | });
|
471 | }
|
472 |
|
473 | const NullL10n = {
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474 | async getLanguage() {
|
475 | return "en-us";
|
476 | },
|
477 |
|
478 | async getDirection() {
|
479 | return "ltr";
|
480 | },
|
481 |
|
482 | async get(property, args, fallback) {
|
483 | return formatL10nValue(fallback, args);
|
484 | },
|
485 |
|
486 | async translate(element) {}
|
487 |
|
488 | };
|
489 | exports.NullL10n = NullL10n;
|
490 |
|
491 | function getOutputScale(ctx) {
|
492 | const devicePixelRatio = window.devicePixelRatio || 1;
|
493 | const backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
|
494 | const pixelRatio = devicePixelRatio / backingStoreRatio;
|
495 | return {
|
496 | sx: pixelRatio,
|
497 | sy: pixelRatio,
|
498 | scaled: pixelRatio !== 1
|
499 | };
|
500 | }
|
501 |
|
502 | function scrollIntoView(element, spot, skipOverflowHiddenElements = false) {
|
503 | let parent = element.offsetParent;
|
504 |
|
505 | if (!parent) {
|
506 | console.error("offsetParent is not set -- cannot scroll");
|
507 | return;
|
508 | }
|
509 |
|
510 | let offsetY = element.offsetTop + element.clientTop;
|
511 | let offsetX = element.offsetLeft + element.clientLeft;
|
512 |
|
513 | while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === "hidden") {
|
514 | if (parent.dataset._scaleY) {
|
515 | offsetY /= parent.dataset._scaleY;
|
516 | offsetX /= parent.dataset._scaleX;
|
517 | }
|
518 |
|
519 | offsetY += parent.offsetTop;
|
520 | offsetX += parent.offsetLeft;
|
521 | parent = parent.offsetParent;
|
522 |
|
523 | if (!parent) {
|
524 | return;
|
525 | }
|
526 | }
|
527 |
|
528 | if (spot) {
|
529 | if (spot.top !== undefined) {
|
530 | offsetY += spot.top;
|
531 | }
|
532 |
|
533 | if (spot.left !== undefined) {
|
534 | offsetX += spot.left;
|
535 | parent.scrollLeft = offsetX;
|
536 | }
|
537 | }
|
538 |
|
539 | parent.scrollTop = offsetY;
|
540 | }
|
541 |
|
542 | function watchScroll(viewAreaElement, callback) {
|
543 | const debounceScroll = function (evt) {
|
544 | if (rAF) {
|
545 | return;
|
546 | }
|
547 |
|
548 | rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
|
549 | rAF = null;
|
550 | const currentX = viewAreaElement.scrollLeft;
|
551 | const lastX = state.lastX;
|
552 |
|
553 | if (currentX !== lastX) {
|
554 | state.right = currentX > lastX;
|
555 | }
|
556 |
|
557 | state.lastX = currentX;
|
558 | const currentY = viewAreaElement.scrollTop;
|
559 | const lastY = state.lastY;
|
560 |
|
561 | if (currentY !== lastY) {
|
562 | state.down = currentY > lastY;
|
563 | }
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564 |
|
565 | state.lastY = currentY;
|
566 | callback(state);
|
567 | });
|
568 | };
|
569 |
|
570 | const state = {
|
571 | right: true,
|
572 | down: true,
|
573 | lastX: viewAreaElement.scrollLeft,
|
574 | lastY: viewAreaElement.scrollTop,
|
575 | _eventHandler: debounceScroll
|
576 | };
|
577 | let rAF = null;
|
578 | viewAreaElement.addEventListener("scroll", debounceScroll, true);
|
579 | return state;
|
580 | }
|
581 |
|
582 | function parseQueryString(query) {
|
583 | const parts = query.split("&");
|
584 | const params = Object.create(null);
|
585 |
|
586 | for (let i = 0, ii = parts.length; i < ii; ++i) {
|
587 | const param = parts[i].split("=");
|
588 | const key = param[0].toLowerCase();
|
589 | const value = param.length > 1 ? param[1] : null;
|
590 | params[decodeURIComponent(key)] = decodeURIComponent(value);
|
591 | }
|
592 |
|
593 | return params;
|
594 | }
|
595 |
|
596 | function binarySearchFirstItem(items, condition) {
|
597 | let minIndex = 0;
|
598 | let maxIndex = items.length - 1;
|
599 |
|
600 | if (maxIndex < 0 || !condition(items[maxIndex])) {
|
601 | return items.length;
|
602 | }
|
603 |
|
604 | if (condition(items[minIndex])) {
|
605 | return minIndex;
|
606 | }
|
607 |
|
608 | while (minIndex < maxIndex) {
|
609 | const currentIndex = minIndex + maxIndex >> 1;
|
610 | const currentItem = items[currentIndex];
|
611 |
|
612 | if (condition(currentItem)) {
|
613 | maxIndex = currentIndex;
|
614 | } else {
|
615 | minIndex = currentIndex + 1;
|
616 | }
|
617 | }
|
618 |
|
619 | return minIndex;
|
620 | }
|
621 |
|
622 | function approximateFraction(x) {
|
623 | if (Math.floor(x) === x) {
|
624 | return [x, 1];
|
625 | }
|
626 |
|
627 | const xinv = 1 / x;
|
628 | const limit = 8;
|
629 |
|
630 | if (xinv > limit) {
|
631 | return [1, limit];
|
632 | } else if (Math.floor(xinv) === xinv) {
|
633 | return [1, xinv];
|
634 | }
|
635 |
|
636 | const x_ = x > 1 ? xinv : x;
|
637 | let a = 0,
|
638 | b = 1,
|
639 | c = 1,
|
640 | d = 1;
|
641 |
|
642 | while (true) {
|
643 | const p = a + c,
|
644 | q = b + d;
|
645 |
|
646 | if (q > limit) {
|
647 | break;
|
648 | }
|
649 |
|
650 | if (x_ <= p / q) {
|
651 | c = p;
|
652 | d = q;
|
653 | } else {
|
654 | a = p;
|
655 | b = q;
|
656 | }
|
657 | }
|
658 |
|
659 | let result;
|
660 |
|
661 | if (x_ - a / b < c / d - x_) {
|
662 | result = x_ === x ? [a, b] : [b, a];
|
663 | } else {
|
664 | result = x_ === x ? [c, d] : [d, c];
|
665 | }
|
666 |
|
667 | return result;
|
668 | }
|
669 |
|
670 | function roundToDivide(x, div) {
|
671 | const r = x % div;
|
672 | return r === 0 ? x : Math.round(x - r + div);
|
673 | }
|
674 |
|
675 | function getPageSizeInches({
|
676 | view,
|
677 | userUnit,
|
678 | rotate
|
679 | }) {
|
680 | const [x1, y1, x2, y2] = view;
|
681 | const changeOrientation = rotate % 180 !== 0;
|
682 | const width = (x2 - x1) / 72 * userUnit;
|
683 | const height = (y2 - y1) / 72 * userUnit;
|
684 | return {
|
685 | width: changeOrientation ? height : width,
|
686 | height: changeOrientation ? width : height
|
687 | };
|
688 | }
|
689 |
|
690 | function backtrackBeforeAllVisibleElements(index, views, top) {
|
691 | if (index < 2) {
|
692 | return index;
|
693 | }
|
694 |
|
695 | let elt = views[index].div;
|
696 | let pageTop = elt.offsetTop + elt.clientTop;
|
697 |
|
698 | if (pageTop >= top) {
|
699 | elt = views[index - 1].div;
|
700 | pageTop = elt.offsetTop + elt.clientTop;
|
701 | }
|
702 |
|
703 | for (let i = index - 2; i >= 0; --i) {
|
704 | elt = views[i].div;
|
705 |
|
706 | if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
|
707 | break;
|
708 | }
|
709 |
|
710 | index = i;
|
711 | }
|
712 |
|
713 | return index;
|
714 | }
|
715 |
|
716 | function getVisibleElements(scrollEl, views, sortByVisibility = false, horizontal = false) {
|
717 | const top = scrollEl.scrollTop,
|
718 | bottom = top + scrollEl.clientHeight;
|
719 | const left = scrollEl.scrollLeft,
|
720 | right = left + scrollEl.clientWidth;
|
721 |
|
722 | function isElementBottomAfterViewTop(view) {
|
723 | const element = view.div;
|
724 | const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
|
725 | return elementBottom > top;
|
726 | }
|
727 |
|
728 | function isElementRightAfterViewLeft(view) {
|
729 | const element = view.div;
|
730 | const elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
|
731 | return elementRight > left;
|
732 | }
|
733 |
|
734 | const visible = [],
|
735 | numViews = views.length;
|
736 | let firstVisibleElementInd = numViews === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
|
737 |
|
738 | if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
|
739 | firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
|
740 | }
|
741 |
|
742 | let lastEdge = horizontal ? right : -1;
|
743 |
|
744 | for (let i = firstVisibleElementInd; i < numViews; i++) {
|
745 | const view = views[i],
|
746 | element = view.div;
|
747 | const currentWidth = element.offsetLeft + element.clientLeft;
|
748 | const currentHeight = element.offsetTop + element.clientTop;
|
749 | const viewWidth = element.clientWidth,
|
750 | viewHeight = element.clientHeight;
|
751 | const viewRight = currentWidth + viewWidth;
|
752 | const viewBottom = currentHeight + viewHeight;
|
753 |
|
754 | if (lastEdge === -1) {
|
755 | if (viewBottom >= bottom) {
|
756 | lastEdge = viewBottom;
|
757 | }
|
758 | } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
|
759 | break;
|
760 | }
|
761 |
|
762 | if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
|
763 | continue;
|
764 | }
|
765 |
|
766 | const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
|
767 | const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
|
768 | const percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
|
769 | visible.push({
|
770 | id: view.id,
|
771 | x: currentWidth,
|
772 | y: currentHeight,
|
773 | view,
|
774 | percent
|
775 | });
|
776 | }
|
777 |
|
778 | const first = visible[0],
|
779 | last = visible[visible.length - 1];
|
780 |
|
781 | if (sortByVisibility) {
|
782 | visible.sort(function (a, b) {
|
783 | const pc = a.percent - b.percent;
|
784 |
|
785 | if (Math.abs(pc) > 0.001) {
|
786 | return -pc;
|
787 | }
|
788 |
|
789 | return a.id - b.id;
|
790 | });
|
791 | }
|
792 |
|
793 | return {
|
794 | first,
|
795 | last,
|
796 | views: visible
|
797 | };
|
798 | }
|
799 |
|
800 | function noContextMenuHandler(evt) {
|
801 | evt.preventDefault();
|
802 | }
|
803 |
|
804 | function isDataSchema(url) {
|
805 | let i = 0;
|
806 | const ii = url.length;
|
807 |
|
808 | while (i < ii && url[i].trim() === "") {
|
809 | i++;
|
810 | }
|
811 |
|
812 | return url.substring(i, i + 5).toLowerCase() === "data:";
|
813 | }
|
814 |
|
815 | function getPDFFileNameFromURL(url, defaultFilename = "document.pdf") {
|
816 | if (typeof url !== "string") {
|
817 | return defaultFilename;
|
818 | }
|
819 |
|
820 | if (isDataSchema(url)) {
|
821 | console.warn("getPDFFileNameFromURL: " + 'ignoring "data:" URL for performance reasons.');
|
822 | return defaultFilename;
|
823 | }
|
824 |
|
825 | const reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
|
826 | const reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
|
827 | const splitURI = reURI.exec(url);
|
828 | let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
|
829 |
|
830 | if (suggestedFilename) {
|
831 | suggestedFilename = suggestedFilename[0];
|
832 |
|
833 | if (suggestedFilename.includes("%")) {
|
834 | try {
|
835 | suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
|
836 | } catch (ex) {}
|
837 | }
|
838 | }
|
839 |
|
840 | return suggestedFilename || defaultFilename;
|
841 | }
|
842 |
|
843 | function normalizeWheelEventDelta(evt) {
|
844 | let delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
|
845 | const angle = Math.atan2(evt.deltaY, evt.deltaX);
|
846 |
|
847 | if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
|
848 | delta = -delta;
|
849 | }
|
850 |
|
851 | const MOUSE_DOM_DELTA_PIXEL_MODE = 0;
|
852 | const MOUSE_DOM_DELTA_LINE_MODE = 1;
|
853 | const MOUSE_PIXELS_PER_LINE = 30;
|
854 | const MOUSE_LINES_PER_PAGE = 30;
|
855 |
|
856 | if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
|
857 | delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
|
858 | } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
|
859 | delta /= MOUSE_LINES_PER_PAGE;
|
860 | }
|
861 |
|
862 | return delta;
|
863 | }
|
864 |
|
865 | function isValidRotation(angle) {
|
866 | return Number.isInteger(angle) && angle % 90 === 0;
|
867 | }
|
868 |
|
869 | function isValidScrollMode(mode) {
|
870 | return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
|
871 | }
|
872 |
|
873 | function isValidSpreadMode(mode) {
|
874 | return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
|
875 | }
|
876 |
|
877 | function isPortraitOrientation(size) {
|
878 | return size.width <= size.height;
|
879 | }
|
880 |
|
881 | const WaitOnType = {
|
882 | EVENT: "event",
|
883 | TIMEOUT: "timeout"
|
884 | };
|
885 | exports.WaitOnType = WaitOnType;
|
886 |
|
887 | function waitOnEventOrTimeout({
|
888 | target,
|
889 | name,
|
890 | delay = 0
|
891 | }) {
|
892 | return new Promise(function (resolve, reject) {
|
893 | if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
|
894 | throw new Error("waitOnEventOrTimeout - invalid parameters.");
|
895 | }
|
896 |
|
897 | function handler(type) {
|
898 | if (target instanceof EventBus) {
|
899 | target._off(name, eventHandler);
|
900 | } else {
|
901 | target.removeEventListener(name, eventHandler);
|
902 | }
|
903 |
|
904 | if (timeout) {
|
905 | clearTimeout(timeout);
|
906 | }
|
907 |
|
908 | resolve(type);
|
909 | }
|
910 |
|
911 | const eventHandler = handler.bind(null, WaitOnType.EVENT);
|
912 |
|
913 | if (target instanceof EventBus) {
|
914 | target._on(name, eventHandler);
|
915 | } else {
|
916 | target.addEventListener(name, eventHandler);
|
917 | }
|
918 |
|
919 | const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
|
920 | const timeout = setTimeout(timeoutHandler, delay);
|
921 | });
|
922 | }
|
923 |
|
924 | const animationStarted = new Promise(function (resolve) {
|
925 | window.requestAnimationFrame(resolve);
|
926 | });
|
927 | exports.animationStarted = animationStarted;
|
928 |
|
929 | function dispatchDOMEvent(eventName, args = null) {
|
930 | throw new Error("Not implemented: dispatchDOMEvent");
|
931 | }
|
932 |
|
933 | class EventBus {
|
934 | constructor(options) {
|
935 | this._listeners = Object.create(null);
|
936 | }
|
937 |
|
938 | on(eventName, listener) {
|
939 | this._on(eventName, listener, {
|
940 | external: true
|
941 | });
|
942 | }
|
943 |
|
944 | off(eventName, listener) {
|
945 | this._off(eventName, listener, {
|
946 | external: true
|
947 | });
|
948 | }
|
949 |
|
950 | dispatch(eventName) {
|
951 | const eventListeners = this._listeners[eventName];
|
952 |
|
953 | if (!eventListeners || eventListeners.length === 0) {
|
954 | return;
|
955 | }
|
956 |
|
957 | const args = Array.prototype.slice.call(arguments, 1);
|
958 | let externalListeners;
|
959 | eventListeners.slice(0).forEach(function ({
|
960 | listener,
|
961 | external
|
962 | }) {
|
963 | if (external) {
|
964 | if (!externalListeners) {
|
965 | externalListeners = [];
|
966 | }
|
967 |
|
968 | externalListeners.push(listener);
|
969 | return;
|
970 | }
|
971 |
|
972 | listener.apply(null, args);
|
973 | });
|
974 |
|
975 | if (externalListeners) {
|
976 | externalListeners.forEach(function (listener) {
|
977 | listener.apply(null, args);
|
978 | });
|
979 | externalListeners = null;
|
980 | }
|
981 | }
|
982 |
|
983 | _on(eventName, listener, options = null) {
|
984 | let eventListeners = this._listeners[eventName];
|
985 |
|
986 | if (!eventListeners) {
|
987 | this._listeners[eventName] = eventListeners = [];
|
988 | }
|
989 |
|
990 | eventListeners.push({
|
991 | listener,
|
992 | external: (options && options.external) === true
|
993 | });
|
994 | }
|
995 |
|
996 | _off(eventName, listener, options = null) {
|
997 | const eventListeners = this._listeners[eventName];
|
998 |
|
999 | if (!eventListeners) {
|
1000 | return;
|
1001 | }
|
1002 |
|
1003 | for (let i = 0, ii = eventListeners.length; i < ii; i++) {
|
1004 | if (eventListeners[i].listener === listener) {
|
1005 | eventListeners.splice(i, 1);
|
1006 | return;
|
1007 | }
|
1008 | }
|
1009 | }
|
1010 |
|
1011 | }
|
1012 |
|
1013 | exports.EventBus = EventBus;
|
1014 |
|
1015 | function clamp(v, min, max) {
|
1016 | return Math.min(Math.max(v, min), max);
|
1017 | }
|
1018 |
|
1019 | class ProgressBar {
|
1020 | constructor(id, {
|
1021 | height,
|
1022 | width,
|
1023 | units
|
1024 | } = {}) {
|
1025 | this.visible = true;
|
1026 | this.div = document.querySelector(id + " .progress");
|
1027 | this.bar = this.div.parentNode;
|
1028 | this.height = height || 100;
|
1029 | this.width = width || 100;
|
1030 | this.units = units || "%";
|
1031 | this.div.style.height = this.height + this.units;
|
1032 | this.percent = 0;
|
1033 | }
|
1034 |
|
1035 | _updateBar() {
|
1036 | if (this._indeterminate) {
|
1037 | this.div.classList.add("indeterminate");
|
1038 | this.div.style.width = this.width + this.units;
|
1039 | return;
|
1040 | }
|
1041 |
|
1042 | this.div.classList.remove("indeterminate");
|
1043 | const progressSize = this.width * this._percent / 100;
|
1044 | this.div.style.width = progressSize + this.units;
|
1045 | }
|
1046 |
|
1047 | get percent() {
|
1048 | return this._percent;
|
1049 | }
|
1050 |
|
1051 | set percent(val) {
|
1052 | this._indeterminate = isNaN(val);
|
1053 | this._percent = clamp(val, 0, 100);
|
1054 |
|
1055 | this._updateBar();
|
1056 | }
|
1057 |
|
1058 | setWidth(viewer) {
|
1059 | if (!viewer) {
|
1060 | return;
|
1061 | }
|
1062 |
|
1063 | const container = viewer.parentNode;
|
1064 | const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
|
1065 |
|
1066 | if (scrollbarWidth > 0) {
|
1067 | this.bar.style.width = `calc(100% - ${scrollbarWidth}px)`;
|
1068 | }
|
1069 | }
|
1070 |
|
1071 | hide() {
|
1072 | if (!this.visible) {
|
1073 | return;
|
1074 | }
|
1075 |
|
1076 | this.visible = false;
|
1077 | this.bar.classList.add("hidden");
|
1078 | document.body.classList.remove("loadingInProgress");
|
1079 | }
|
1080 |
|
1081 | show() {
|
1082 | if (this.visible) {
|
1083 | return;
|
1084 | }
|
1085 |
|
1086 | this.visible = true;
|
1087 | document.body.classList.add("loadingInProgress");
|
1088 | this.bar.classList.remove("hidden");
|
1089 | }
|
1090 |
|
1091 | }
|
1092 |
|
1093 | exports.ProgressBar = ProgressBar;
|
1094 |
|
1095 | function moveToEndOfArray(arr, condition) {
|
1096 | const moved = [],
|
1097 | len = arr.length;
|
1098 | let write = 0;
|
1099 |
|
1100 | for (let read = 0; read < len; ++read) {
|
1101 | if (condition(arr[read])) {
|
1102 | moved.push(arr[read]);
|
1103 | } else {
|
1104 | arr[write] = arr[read];
|
1105 | ++write;
|
1106 | }
|
1107 | }
|
1108 |
|
1109 | for (let read = 0; write < len; ++read, ++write) {
|
1110 | arr[write] = moved[read];
|
1111 | }
|
1112 | }
|
1113 |
|
1114 | }),
|
1115 |
|
1116 | (function(module, exports, __w_pdfjs_require__) {
|
1117 |
|
1118 | "use strict";
|
1119 |
|
1120 |
|
1121 | Object.defineProperty(exports, "__esModule", {
|
1122 | value: true
|
1123 | });
|
1124 | exports.SimpleLinkService = exports.PDFLinkService = void 0;
|
1125 |
|
1126 | var _ui_utils = __w_pdfjs_require__(3);
|
1127 |
|
1128 | class PDFLinkService {
|
1129 | constructor({
|
1130 | eventBus,
|
1131 | externalLinkTarget = null,
|
1132 | externalLinkRel = null,
|
1133 | externalLinkEnabled = true,
|
1134 | ignoreDestinationZoom = false
|
1135 | } = {}) {
|
1136 | this.eventBus = eventBus;
|
1137 | this.externalLinkTarget = externalLinkTarget;
|
1138 | this.externalLinkRel = externalLinkRel;
|
1139 | this.externalLinkEnabled = externalLinkEnabled;
|
1140 | this._ignoreDestinationZoom = ignoreDestinationZoom;
|
1141 | this.baseUrl = null;
|
1142 | this.pdfDocument = null;
|
1143 | this.pdfViewer = null;
|
1144 | this.pdfHistory = null;
|
1145 | this._pagesRefCache = null;
|
1146 | }
|
1147 |
|
1148 | setDocument(pdfDocument, baseUrl = null) {
|
1149 | this.baseUrl = baseUrl;
|
1150 | this.pdfDocument = pdfDocument;
|
1151 | this._pagesRefCache = Object.create(null);
|
1152 | }
|
1153 |
|
1154 | setViewer(pdfViewer) {
|
1155 | this.pdfViewer = pdfViewer;
|
1156 | }
|
1157 |
|
1158 | setHistory(pdfHistory) {
|
1159 | this.pdfHistory = pdfHistory;
|
1160 | }
|
1161 |
|
1162 | get pagesCount() {
|
1163 | return this.pdfDocument ? this.pdfDocument.numPages : 0;
|
1164 | }
|
1165 |
|
1166 | get page() {
|
1167 | return this.pdfViewer.currentPageNumber;
|
1168 | }
|
1169 |
|
1170 | set page(value) {
|
1171 | this.pdfViewer.currentPageNumber = value;
|
1172 | }
|
1173 |
|
1174 | get rotation() {
|
1175 | return this.pdfViewer.pagesRotation;
|
1176 | }
|
1177 |
|
1178 | set rotation(value) {
|
1179 | this.pdfViewer.pagesRotation = value;
|
1180 | }
|
1181 |
|
1182 | navigateTo(dest) {
|
1183 | const goToDestination = ({
|
1184 | namedDest,
|
1185 | explicitDest
|
1186 | }) => {
|
1187 | const destRef = explicitDest[0];
|
1188 | let pageNumber;
|
1189 |
|
1190 | if (destRef instanceof Object) {
|
1191 | pageNumber = this._cachedPageNumber(destRef);
|
1192 |
|
1193 | if (pageNumber === null) {
|
1194 | this.pdfDocument.getPageIndex(destRef).then(pageIndex => {
|
1195 | this.cachePageRef(pageIndex + 1, destRef);
|
1196 | goToDestination({
|
1197 | namedDest,
|
1198 | explicitDest
|
1199 | });
|
1200 | }).catch(() => {
|
1201 | console.error(`PDFLinkService.navigateTo: "${destRef}" is not ` + `a valid page reference, for dest="${dest}".`);
|
1202 | });
|
1203 | return;
|
1204 | }
|
1205 | } else if (Number.isInteger(destRef)) {
|
1206 | pageNumber = destRef + 1;
|
1207 | } else {
|
1208 | console.error(`PDFLinkService.navigateTo: "${destRef}" is not ` + `a valid destination reference, for dest="${dest}".`);
|
1209 | return;
|
1210 | }
|
1211 |
|
1212 | if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
|
1213 | console.error(`PDFLinkService.navigateTo: "${pageNumber}" is not ` + `a valid page number, for dest="${dest}".`);
|
1214 | return;
|
1215 | }
|
1216 |
|
1217 | if (this.pdfHistory) {
|
1218 | this.pdfHistory.pushCurrentPosition();
|
1219 | this.pdfHistory.push({
|
1220 | namedDest,
|
1221 | explicitDest,
|
1222 | pageNumber
|
1223 | });
|
1224 | }
|
1225 |
|
1226 | this.pdfViewer.scrollPageIntoView({
|
1227 | pageNumber,
|
1228 | destArray: explicitDest,
|
1229 | ignoreDestinationZoom: this._ignoreDestinationZoom
|
1230 | });
|
1231 | };
|
1232 |
|
1233 | new Promise((resolve, reject) => {
|
1234 | if (typeof dest === "string") {
|
1235 | this.pdfDocument.getDestination(dest).then(destArray => {
|
1236 | resolve({
|
1237 | namedDest: dest,
|
1238 | explicitDest: destArray
|
1239 | });
|
1240 | });
|
1241 | return;
|
1242 | }
|
1243 |
|
1244 | resolve({
|
1245 | namedDest: "",
|
1246 | explicitDest: dest
|
1247 | });
|
1248 | }).then(data => {
|
1249 | if (!Array.isArray(data.explicitDest)) {
|
1250 | console.error(`PDFLinkService.navigateTo: "${data.explicitDest}" is` + ` not a valid destination array, for dest="${dest}".`);
|
1251 | return;
|
1252 | }
|
1253 |
|
1254 | goToDestination(data);
|
1255 | });
|
1256 | }
|
1257 |
|
1258 | getDestinationHash(dest) {
|
1259 | if (typeof dest === "string") {
|
1260 | return this.getAnchorUrl("#" + escape(dest));
|
1261 | }
|
1262 |
|
1263 | if (Array.isArray(dest)) {
|
1264 | const str = JSON.stringify(dest);
|
1265 | return this.getAnchorUrl("#" + escape(str));
|
1266 | }
|
1267 |
|
1268 | return this.getAnchorUrl("");
|
1269 | }
|
1270 |
|
1271 | getAnchorUrl(anchor) {
|
1272 | return (this.baseUrl || "") + anchor;
|
1273 | }
|
1274 |
|
1275 | setHash(hash) {
|
1276 | let pageNumber, dest;
|
1277 |
|
1278 | if (hash.includes("=")) {
|
1279 | const params = (0, _ui_utils.parseQueryString)(hash);
|
1280 |
|
1281 | if ("search" in params) {
|
1282 | this.eventBus.dispatch("findfromurlhash", {
|
1283 | source: this,
|
1284 | query: params.search.replace(/"/g, ""),
|
1285 | phraseSearch: params.phrase === "true"
|
1286 | });
|
1287 | }
|
1288 |
|
1289 | if ("page" in params) {
|
1290 | pageNumber = params.page | 0 || 1;
|
1291 | }
|
1292 |
|
1293 | if ("zoom" in params) {
|
1294 | const zoomArgs = params.zoom.split(",");
|
1295 | const zoomArg = zoomArgs[0];
|
1296 | const zoomArgNumber = parseFloat(zoomArg);
|
1297 |
|
1298 | if (!zoomArg.includes("Fit")) {
|
1299 | dest = [null, {
|
1300 | name: "XYZ"
|
1301 | }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
|
1302 | } else {
|
1303 | if (zoomArg === "Fit" || zoomArg === "FitB") {
|
1304 | dest = [null, {
|
1305 | name: zoomArg
|
1306 | }];
|
1307 | } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
|
1308 | dest = [null, {
|
1309 | name: zoomArg
|
1310 | }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
|
1311 | } else if (zoomArg === "FitR") {
|
1312 | if (zoomArgs.length !== 5) {
|
1313 | console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
|
1314 | } else {
|
1315 | dest = [null, {
|
1316 | name: zoomArg
|
1317 | }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
|
1318 | }
|
1319 | } else {
|
1320 | console.error(`PDFLinkService.setHash: "${zoomArg}" is not ` + "a valid zoom value.");
|
1321 | }
|
1322 | }
|
1323 | }
|
1324 |
|
1325 | if (dest) {
|
1326 | this.pdfViewer.scrollPageIntoView({
|
1327 | pageNumber: pageNumber || this.page,
|
1328 | destArray: dest,
|
1329 | allowNegativeOffset: true
|
1330 | });
|
1331 | } else if (pageNumber) {
|
1332 | this.page = pageNumber;
|
1333 | }
|
1334 |
|
1335 | if ("pagemode" in params) {
|
1336 | this.eventBus.dispatch("pagemode", {
|
1337 | source: this,
|
1338 | mode: params.pagemode
|
1339 | });
|
1340 | }
|
1341 |
|
1342 | if ("nameddest" in params) {
|
1343 | this.navigateTo(params.nameddest);
|
1344 | }
|
1345 | } else {
|
1346 | dest = unescape(hash);
|
1347 |
|
1348 | try {
|
1349 | dest = JSON.parse(dest);
|
1350 |
|
1351 | if (!Array.isArray(dest)) {
|
1352 | dest = dest.toString();
|
1353 | }
|
1354 | } catch (ex) {}
|
1355 |
|
1356 | if (typeof dest === "string" || isValidExplicitDestination(dest)) {
|
1357 | this.navigateTo(dest);
|
1358 | return;
|
1359 | }
|
1360 |
|
1361 | console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not ` + "a valid destination.");
|
1362 | }
|
1363 | }
|
1364 |
|
1365 | executeNamedAction(action) {
|
1366 | switch (action) {
|
1367 | case "GoBack":
|
1368 | if (this.pdfHistory) {
|
1369 | this.pdfHistory.back();
|
1370 | }
|
1371 |
|
1372 | break;
|
1373 |
|
1374 | case "GoForward":
|
1375 | if (this.pdfHistory) {
|
1376 | this.pdfHistory.forward();
|
1377 | }
|
1378 |
|
1379 | break;
|
1380 |
|
1381 | case "NextPage":
|
1382 | if (this.page < this.pagesCount) {
|
1383 | this.page++;
|
1384 | }
|
1385 |
|
1386 | break;
|
1387 |
|
1388 | case "PrevPage":
|
1389 | if (this.page > 1) {
|
1390 | this.page--;
|
1391 | }
|
1392 |
|
1393 | break;
|
1394 |
|
1395 | case "LastPage":
|
1396 | this.page = this.pagesCount;
|
1397 | break;
|
1398 |
|
1399 | case "FirstPage":
|
1400 | this.page = 1;
|
1401 | break;
|
1402 |
|
1403 | default:
|
1404 | break;
|
1405 | }
|
1406 |
|
1407 | this.eventBus.dispatch("namedaction", {
|
1408 | source: this,
|
1409 | action
|
1410 | });
|
1411 | }
|
1412 |
|
1413 | cachePageRef(pageNum, pageRef) {
|
1414 | if (!pageRef) {
|
1415 | return;
|
1416 | }
|
1417 |
|
1418 | const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
|
1419 | this._pagesRefCache[refStr] = pageNum;
|
1420 | }
|
1421 |
|
1422 | _cachedPageNumber(pageRef) {
|
1423 | const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
|
1424 | return this._pagesRefCache && this._pagesRefCache[refStr] || null;
|
1425 | }
|
1426 |
|
1427 | isPageVisible(pageNumber) {
|
1428 | return this.pdfViewer.isPageVisible(pageNumber);
|
1429 | }
|
1430 |
|
1431 | }
|
1432 |
|
1433 | exports.PDFLinkService = PDFLinkService;
|
1434 |
|
1435 | function isValidExplicitDestination(dest) {
|
1436 | if (!Array.isArray(dest)) {
|
1437 | return false;
|
1438 | }
|
1439 |
|
1440 | const destLength = dest.length;
|
1441 |
|
1442 | if (destLength < 2) {
|
1443 | return false;
|
1444 | }
|
1445 |
|
1446 | const page = dest[0];
|
1447 |
|
1448 | if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
|
1449 | return false;
|
1450 | }
|
1451 |
|
1452 | const zoom = dest[1];
|
1453 |
|
1454 | if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
|
1455 | return false;
|
1456 | }
|
1457 |
|
1458 | let allowNull = true;
|
1459 |
|
1460 | switch (zoom.name) {
|
1461 | case "XYZ":
|
1462 | if (destLength !== 5) {
|
1463 | return false;
|
1464 | }
|
1465 |
|
1466 | break;
|
1467 |
|
1468 | case "Fit":
|
1469 | case "FitB":
|
1470 | return destLength === 2;
|
1471 |
|
1472 | case "FitH":
|
1473 | case "FitBH":
|
1474 | case "FitV":
|
1475 | case "FitBV":
|
1476 | if (destLength !== 3) {
|
1477 | return false;
|
1478 | }
|
1479 |
|
1480 | break;
|
1481 |
|
1482 | case "FitR":
|
1483 | if (destLength !== 6) {
|
1484 | return false;
|
1485 | }
|
1486 |
|
1487 | allowNull = false;
|
1488 | break;
|
1489 |
|
1490 | default:
|
1491 | return false;
|
1492 | }
|
1493 |
|
1494 | for (let i = 2; i < destLength; i++) {
|
1495 | const param = dest[i];
|
1496 |
|
1497 | if (!(typeof param === "number" || allowNull && param === null)) {
|
1498 | return false;
|
1499 | }
|
1500 | }
|
1501 |
|
1502 | return true;
|
1503 | }
|
1504 |
|
1505 | class SimpleLinkService {
|
1506 | constructor() {
|
1507 | this.externalLinkTarget = null;
|
1508 | this.externalLinkRel = null;
|
1509 | this.externalLinkEnabled = true;
|
1510 | this._ignoreDestinationZoom = false;
|
1511 | }
|
1512 |
|
1513 | get pagesCount() {
|
1514 | return 0;
|
1515 | }
|
1516 |
|
1517 | get page() {
|
1518 | return 0;
|
1519 | }
|
1520 |
|
1521 | set page(value) {}
|
1522 |
|
1523 | get rotation() {
|
1524 | return 0;
|
1525 | }
|
1526 |
|
1527 | set rotation(value) {}
|
1528 |
|
1529 | navigateTo(dest) {}
|
1530 |
|
1531 | getDestinationHash(dest) {
|
1532 | return "#";
|
1533 | }
|
1534 |
|
1535 | getAnchorUrl(hash) {
|
1536 | return "#";
|
1537 | }
|
1538 |
|
1539 | setHash(hash) {}
|
1540 |
|
1541 | executeNamedAction(action) {}
|
1542 |
|
1543 | cachePageRef(pageNum, pageRef) {}
|
1544 |
|
1545 | isPageVisible(pageNumber) {
|
1546 | return true;
|
1547 | }
|
1548 |
|
1549 | }
|
1550 |
|
1551 | exports.SimpleLinkService = SimpleLinkService;
|
1552 |
|
1553 | }),
|
1554 |
|
1555 | (function(module, exports, __w_pdfjs_require__) {
|
1556 |
|
1557 | "use strict";
|
1558 |
|
1559 |
|
1560 | Object.defineProperty(exports, "__esModule", {
|
1561 | value: true
|
1562 | });
|
1563 | exports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0;
|
1564 |
|
1565 | var _pdfjsLib = __w_pdfjs_require__(2);
|
1566 |
|
1567 | const EXPAND_DIVS_TIMEOUT = 300;
|
1568 |
|
1569 | class TextLayerBuilder {
|
1570 | constructor({
|
1571 | textLayerDiv,
|
1572 | eventBus,
|
1573 | pageIndex,
|
1574 | viewport,
|
1575 | findController = null,
|
1576 | enhanceTextSelection = false
|
1577 | }) {
|
1578 | this.textLayerDiv = textLayerDiv;
|
1579 | this.eventBus = eventBus;
|
1580 | this.textContent = null;
|
1581 | this.textContentItemsStr = [];
|
1582 | this.textContentStream = null;
|
1583 | this.renderingDone = false;
|
1584 | this.pageIdx = pageIndex;
|
1585 | this.pageNumber = this.pageIdx + 1;
|
1586 | this.matches = [];
|
1587 | this.viewport = viewport;
|
1588 | this.textDivs = [];
|
1589 | this.findController = findController;
|
1590 | this.textLayerRenderTask = null;
|
1591 | this.enhanceTextSelection = enhanceTextSelection;
|
1592 | this._onUpdateTextLayerMatches = null;
|
1593 |
|
1594 | this._bindMouse();
|
1595 | }
|
1596 |
|
1597 | _finishRendering() {
|
1598 | this.renderingDone = true;
|
1599 |
|
1600 | if (!this.enhanceTextSelection) {
|
1601 | const endOfContent = document.createElement("div");
|
1602 | endOfContent.className = "endOfContent";
|
1603 | this.textLayerDiv.appendChild(endOfContent);
|
1604 | }
|
1605 |
|
1606 | this.eventBus.dispatch("textlayerrendered", {
|
1607 | source: this,
|
1608 | pageNumber: this.pageNumber,
|
1609 | numTextDivs: this.textDivs.length
|
1610 | });
|
1611 | }
|
1612 |
|
1613 | render(timeout = 0) {
|
1614 | if (!(this.textContent || this.textContentStream) || this.renderingDone) {
|
1615 | return;
|
1616 | }
|
1617 |
|
1618 | this.cancel();
|
1619 | this.textDivs = [];
|
1620 | const textLayerFrag = document.createDocumentFragment();
|
1621 | this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
|
1622 | textContent: this.textContent,
|
1623 | textContentStream: this.textContentStream,
|
1624 | container: textLayerFrag,
|
1625 | viewport: this.viewport,
|
1626 | textDivs: this.textDivs,
|
1627 | textContentItemsStr: this.textContentItemsStr,
|
1628 | timeout,
|
1629 | enhanceTextSelection: this.enhanceTextSelection
|
1630 | });
|
1631 | this.textLayerRenderTask.promise.then(() => {
|
1632 | this.textLayerDiv.appendChild(textLayerFrag);
|
1633 |
|
1634 | this._finishRendering();
|
1635 |
|
1636 | this._updateMatches();
|
1637 | }, function (reason) {});
|
1638 |
|
1639 | if (!this._onUpdateTextLayerMatches) {
|
1640 | this._onUpdateTextLayerMatches = evt => {
|
1641 | if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
|
1642 | this._updateMatches();
|
1643 | }
|
1644 | };
|
1645 |
|
1646 | this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
|
1647 | }
|
1648 | }
|
1649 |
|
1650 | cancel() {
|
1651 | if (this.textLayerRenderTask) {
|
1652 | this.textLayerRenderTask.cancel();
|
1653 | this.textLayerRenderTask = null;
|
1654 | }
|
1655 |
|
1656 | if (this._onUpdateTextLayerMatches) {
|
1657 | this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
|
1658 |
|
1659 | this._onUpdateTextLayerMatches = null;
|
1660 | }
|
1661 | }
|
1662 |
|
1663 | setTextContentStream(readableStream) {
|
1664 | this.cancel();
|
1665 | this.textContentStream = readableStream;
|
1666 | }
|
1667 |
|
1668 | setTextContent(textContent) {
|
1669 | this.cancel();
|
1670 | this.textContent = textContent;
|
1671 | }
|
1672 |
|
1673 | _convertMatches(matches, matchesLength) {
|
1674 | if (!matches) {
|
1675 | return [];
|
1676 | }
|
1677 |
|
1678 | const {
|
1679 | findController,
|
1680 | textContentItemsStr
|
1681 | } = this;
|
1682 | let i = 0,
|
1683 | iIndex = 0;
|
1684 | const end = textContentItemsStr.length - 1;
|
1685 | const queryLen = findController.state.query.length;
|
1686 | const result = [];
|
1687 |
|
1688 | for (let m = 0, mm = matches.length; m < mm; m++) {
|
1689 | let matchIdx = matches[m];
|
1690 |
|
1691 | while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
|
1692 | iIndex += textContentItemsStr[i].length;
|
1693 | i++;
|
1694 | }
|
1695 |
|
1696 | if (i === textContentItemsStr.length) {
|
1697 | console.error("Could not find a matching mapping");
|
1698 | }
|
1699 |
|
1700 | const match = {
|
1701 | begin: {
|
1702 | divIdx: i,
|
1703 | offset: matchIdx - iIndex
|
1704 | }
|
1705 | };
|
1706 |
|
1707 | if (matchesLength) {
|
1708 | matchIdx += matchesLength[m];
|
1709 | } else {
|
1710 | matchIdx += queryLen;
|
1711 | }
|
1712 |
|
1713 | while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
|
1714 | iIndex += textContentItemsStr[i].length;
|
1715 | i++;
|
1716 | }
|
1717 |
|
1718 | match.end = {
|
1719 | divIdx: i,
|
1720 | offset: matchIdx - iIndex
|
1721 | };
|
1722 | result.push(match);
|
1723 | }
|
1724 |
|
1725 | return result;
|
1726 | }
|
1727 |
|
1728 | _renderMatches(matches) {
|
1729 | if (matches.length === 0) {
|
1730 | return;
|
1731 | }
|
1732 |
|
1733 | const {
|
1734 | findController,
|
1735 | pageIdx,
|
1736 | textContentItemsStr,
|
1737 | textDivs
|
1738 | } = this;
|
1739 | const isSelectedPage = pageIdx === findController.selected.pageIdx;
|
1740 | const selectedMatchIdx = findController.selected.matchIdx;
|
1741 | const highlightAll = findController.state.highlightAll;
|
1742 | let prevEnd = null;
|
1743 | const infinity = {
|
1744 | divIdx: -1,
|
1745 | offset: undefined
|
1746 | };
|
1747 |
|
1748 | function beginText(begin, className) {
|
1749 | const divIdx = begin.divIdx;
|
1750 | textDivs[divIdx].textContent = "";
|
1751 | appendTextToDiv(divIdx, 0, begin.offset, className);
|
1752 | }
|
1753 |
|
1754 | function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
|
1755 | const div = textDivs[divIdx];
|
1756 | const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
|
1757 | const node = document.createTextNode(content);
|
1758 |
|
1759 | if (className) {
|
1760 | const span = document.createElement("span");
|
1761 | span.className = className;
|
1762 | span.appendChild(node);
|
1763 | div.appendChild(span);
|
1764 | return;
|
1765 | }
|
1766 |
|
1767 | div.appendChild(node);
|
1768 | }
|
1769 |
|
1770 | let i0 = selectedMatchIdx,
|
1771 | i1 = i0 + 1;
|
1772 |
|
1773 | if (highlightAll) {
|
1774 | i0 = 0;
|
1775 | i1 = matches.length;
|
1776 | } else if (!isSelectedPage) {
|
1777 | return;
|
1778 | }
|
1779 |
|
1780 | for (let i = i0; i < i1; i++) {
|
1781 | const match = matches[i];
|
1782 | const begin = match.begin;
|
1783 | const end = match.end;
|
1784 | const isSelected = isSelectedPage && i === selectedMatchIdx;
|
1785 | const highlightSuffix = isSelected ? " selected" : "";
|
1786 |
|
1787 | if (isSelected) {
|
1788 | findController.scrollMatchIntoView({
|
1789 | element: textDivs[begin.divIdx],
|
1790 | pageIndex: pageIdx,
|
1791 | matchIndex: selectedMatchIdx
|
1792 | });
|
1793 | }
|
1794 |
|
1795 | if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
|
1796 | if (prevEnd !== null) {
|
1797 | appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
|
1798 | }
|
1799 |
|
1800 | beginText(begin);
|
1801 | } else {
|
1802 | appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
|
1803 | }
|
1804 |
|
1805 | if (begin.divIdx === end.divIdx) {
|
1806 | appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
|
1807 | } else {
|
1808 | appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
|
1809 |
|
1810 | for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
|
1811 | textDivs[n0].className = "highlight middle" + highlightSuffix;
|
1812 | }
|
1813 |
|
1814 | beginText(end, "highlight end" + highlightSuffix);
|
1815 | }
|
1816 |
|
1817 | prevEnd = end;
|
1818 | }
|
1819 |
|
1820 | if (prevEnd) {
|
1821 | appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
|
1822 | }
|
1823 | }
|
1824 |
|
1825 | _updateMatches() {
|
1826 | if (!this.renderingDone) {
|
1827 | return;
|
1828 | }
|
1829 |
|
1830 | const {
|
1831 | findController,
|
1832 | matches,
|
1833 | pageIdx,
|
1834 | textContentItemsStr,
|
1835 | textDivs
|
1836 | } = this;
|
1837 | let clearedUntilDivIdx = -1;
|
1838 |
|
1839 | for (let i = 0, ii = matches.length; i < ii; i++) {
|
1840 | const match = matches[i];
|
1841 | const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
|
1842 |
|
1843 | for (let n = begin, end = match.end.divIdx; n <= end; n++) {
|
1844 | const div = textDivs[n];
|
1845 | div.textContent = textContentItemsStr[n];
|
1846 | div.className = "";
|
1847 | }
|
1848 |
|
1849 | clearedUntilDivIdx = match.end.divIdx + 1;
|
1850 | }
|
1851 |
|
1852 | if (!findController || !findController.highlightMatches) {
|
1853 | return;
|
1854 | }
|
1855 |
|
1856 | const pageMatches = findController.pageMatches[pageIdx] || null;
|
1857 | const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
|
1858 | this.matches = this._convertMatches(pageMatches, pageMatchesLength);
|
1859 |
|
1860 | this._renderMatches(this.matches);
|
1861 | }
|
1862 |
|
1863 | _bindMouse() {
|
1864 | const div = this.textLayerDiv;
|
1865 | let expandDivsTimer = null;
|
1866 | div.addEventListener("mousedown", evt => {
|
1867 | if (this.enhanceTextSelection && this.textLayerRenderTask) {
|
1868 | this.textLayerRenderTask.expandTextDivs(true);
|
1869 |
|
1870 | if (expandDivsTimer) {
|
1871 | clearTimeout(expandDivsTimer);
|
1872 | expandDivsTimer = null;
|
1873 | }
|
1874 |
|
1875 | return;
|
1876 | }
|
1877 |
|
1878 | const end = div.querySelector(".endOfContent");
|
1879 |
|
1880 | if (!end) {
|
1881 | return;
|
1882 | }
|
1883 |
|
1884 | let adjustTop = evt.target !== div;
|
1885 | adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
|
1886 |
|
1887 | if (adjustTop) {
|
1888 | const divBounds = div.getBoundingClientRect();
|
1889 | const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
|
1890 | end.style.top = (r * 100).toFixed(2) + "%";
|
1891 | }
|
1892 |
|
1893 | end.classList.add("active");
|
1894 | });
|
1895 | div.addEventListener("mouseup", () => {
|
1896 | if (this.enhanceTextSelection && this.textLayerRenderTask) {
|
1897 | expandDivsTimer = setTimeout(() => {
|
1898 | if (this.textLayerRenderTask) {
|
1899 | this.textLayerRenderTask.expandTextDivs(false);
|
1900 | }
|
1901 |
|
1902 | expandDivsTimer = null;
|
1903 | }, EXPAND_DIVS_TIMEOUT);
|
1904 | return;
|
1905 | }
|
1906 |
|
1907 | const end = div.querySelector(".endOfContent");
|
1908 |
|
1909 | if (!end) {
|
1910 | return;
|
1911 | }
|
1912 |
|
1913 | end.style.top = "";
|
1914 | end.classList.remove("active");
|
1915 | });
|
1916 | }
|
1917 |
|
1918 | }
|
1919 |
|
1920 | exports.TextLayerBuilder = TextLayerBuilder;
|
1921 |
|
1922 | class DefaultTextLayerFactory {
|
1923 | createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
|
1924 | return new TextLayerBuilder({
|
1925 | textLayerDiv,
|
1926 | pageIndex,
|
1927 | viewport,
|
1928 | enhanceTextSelection,
|
1929 | eventBus
|
1930 | });
|
1931 | }
|
1932 |
|
1933 | }
|
1934 |
|
1935 | exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
|
1936 |
|
1937 | }),
|
1938 |
|
1939 | (function(module, exports, __w_pdfjs_require__) {
|
1940 |
|
1941 | "use strict";
|
1942 |
|
1943 |
|
1944 | Object.defineProperty(exports, "__esModule", {
|
1945 | value: true
|
1946 | });
|
1947 | exports.DownloadManager = void 0;
|
1948 |
|
1949 | var _pdfjsLib = __w_pdfjs_require__(2);
|
1950 |
|
1951 | var _viewer_compatibility = __w_pdfjs_require__(7);
|
1952 |
|
1953 | ;
|
1954 | const DISABLE_CREATE_OBJECT_URL = _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL || false;
|
1955 |
|
1956 | function download(blobUrl, filename) {
|
1957 | const a = document.createElement("a");
|
1958 |
|
1959 | if (!a.click) {
|
1960 | throw new Error('DownloadManager: "a.click()" is not supported.');
|
1961 | }
|
1962 |
|
1963 | a.href = blobUrl;
|
1964 | a.target = "_parent";
|
1965 |
|
1966 | if ("download" in a) {
|
1967 | a.download = filename;
|
1968 | }
|
1969 |
|
1970 | (document.body || document.documentElement).appendChild(a);
|
1971 | a.click();
|
1972 | a.remove();
|
1973 | }
|
1974 |
|
1975 | class DownloadManager {
|
1976 | constructor({
|
1977 | disableCreateObjectURL = DISABLE_CREATE_OBJECT_URL
|
1978 | }) {
|
1979 | this.disableCreateObjectURL = disableCreateObjectURL;
|
1980 | }
|
1981 |
|
1982 | downloadUrl(url, filename) {
|
1983 | if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) {
|
1984 | return;
|
1985 | }
|
1986 |
|
1987 | download(url + "#pdfjs.action=download", filename);
|
1988 | }
|
1989 |
|
1990 | downloadData(data, filename, contentType) {
|
1991 | if (navigator.msSaveBlob) {
|
1992 | navigator.msSaveBlob(new Blob([data], {
|
1993 | type: contentType
|
1994 | }), filename);
|
1995 | return;
|
1996 | }
|
1997 |
|
1998 | const blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, this.disableCreateObjectURL);
|
1999 | download(blobUrl, filename);
|
2000 | }
|
2001 |
|
2002 | download(blob, url, filename) {
|
2003 | if (navigator.msSaveBlob) {
|
2004 | if (!navigator.msSaveBlob(blob, filename)) {
|
2005 | this.downloadUrl(url, filename);
|
2006 | }
|
2007 |
|
2008 | return;
|
2009 | }
|
2010 |
|
2011 | if (this.disableCreateObjectURL) {
|
2012 | this.downloadUrl(url, filename);
|
2013 | return;
|
2014 | }
|
2015 |
|
2016 | const blobUrl = URL.createObjectURL(blob);
|
2017 | download(blobUrl, filename);
|
2018 | }
|
2019 |
|
2020 | }
|
2021 |
|
2022 | exports.DownloadManager = DownloadManager;
|
2023 |
|
2024 | }),
|
2025 |
|
2026 | (function(module, exports, __w_pdfjs_require__) {
|
2027 |
|
2028 | "use strict";
|
2029 |
|
2030 |
|
2031 | Object.defineProperty(exports, "__esModule", {
|
2032 | value: true
|
2033 | });
|
2034 | exports.viewerCompatibilityParams = void 0;
|
2035 | const compatibilityParams = Object.create(null);
|
2036 | {
|
2037 | const userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
|
2038 | const platform = typeof navigator !== "undefined" && navigator.platform || "";
|
2039 | const maxTouchPoints = typeof navigator !== "undefined" && navigator.maxTouchPoints || 1;
|
2040 | const isAndroid = /Android/.test(userAgent);
|
2041 | const isIE = /Trident/.test(userAgent);
|
2042 | const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
|
2043 | const isIOSChrome = /CriOS/.test(userAgent);
|
2044 |
|
2045 | (function checkOnBlobSupport() {
|
2046 | if (isIE || isIOSChrome) {
|
2047 | compatibilityParams.disableCreateObjectURL = true;
|
2048 | }
|
2049 | })();
|
2050 |
|
2051 | (function checkCanvasSizeLimitation() {
|
2052 | if (isIOS || isAndroid) {
|
2053 | compatibilityParams.maxCanvasPixels = 5242880;
|
2054 | }
|
2055 | })();
|
2056 | }
|
2057 | const viewerCompatibilityParams = Object.freeze(compatibilityParams);
|
2058 | exports.viewerCompatibilityParams = viewerCompatibilityParams;
|
2059 |
|
2060 | }),
|
2061 |
|
2062 | (function(module, exports, __w_pdfjs_require__) {
|
2063 |
|
2064 | "use strict";
|
2065 |
|
2066 |
|
2067 | Object.defineProperty(exports, "__esModule", {
|
2068 | value: true
|
2069 | });
|
2070 | exports.GenericL10n = void 0;
|
2071 |
|
2072 | __w_pdfjs_require__(9);
|
2073 |
|
2074 | const webL10n = document.webL10n;
|
2075 |
|
2076 | class GenericL10n {
|
2077 | constructor(lang) {
|
2078 | this._lang = lang;
|
2079 | this._ready = new Promise((resolve, reject) => {
|
2080 | webL10n.setLanguage(lang, () => {
|
2081 | resolve(webL10n);
|
2082 | });
|
2083 | });
|
2084 | }
|
2085 |
|
2086 | async getLanguage() {
|
2087 | const l10n = await this._ready;
|
2088 | return l10n.getLanguage();
|
2089 | }
|
2090 |
|
2091 | async getDirection() {
|
2092 | const l10n = await this._ready;
|
2093 | return l10n.getDirection();
|
2094 | }
|
2095 |
|
2096 | async get(property, args, fallback) {
|
2097 | const l10n = await this._ready;
|
2098 | return l10n.get(property, args, fallback);
|
2099 | }
|
2100 |
|
2101 | async translate(element) {
|
2102 | const l10n = await this._ready;
|
2103 | return l10n.translate(element);
|
2104 | }
|
2105 |
|
2106 | }
|
2107 |
|
2108 | exports.GenericL10n = GenericL10n;
|
2109 |
|
2110 | }),
|
2111 |
|
2112 | (function(module, exports, __w_pdfjs_require__) {
|
2113 |
|
2114 | "use strict";
|
2115 |
|
2116 |
|
2117 | document.webL10n = function (window, document, undefined) {
|
2118 | var gL10nData = {};
|
2119 | var gTextData = '';
|
2120 | var gTextProp = 'textContent';
|
2121 | var gLanguage = '';
|
2122 | var gMacros = {};
|
2123 | var gReadyState = 'loading';
|
2124 | var gAsyncResourceLoading = true;
|
2125 |
|
2126 | function getL10nResourceLinks() {
|
2127 | return document.querySelectorAll('link[type="application/l10n"]');
|
2128 | }
|
2129 |
|
2130 | function getL10nDictionary() {
|
2131 | var script = document.querySelector('script[type="application/l10n"]');
|
2132 | return script ? JSON.parse(script.innerHTML) : null;
|
2133 | }
|
2134 |
|
2135 | function getTranslatableChildren(element) {
|
2136 | return element ? element.querySelectorAll('*[data-l10n-id]') : [];
|
2137 | }
|
2138 |
|
2139 | function getL10nAttributes(element) {
|
2140 | if (!element) return {};
|
2141 | var l10nId = element.getAttribute('data-l10n-id');
|
2142 | var l10nArgs = element.getAttribute('data-l10n-args');
|
2143 | var args = {};
|
2144 |
|
2145 | if (l10nArgs) {
|
2146 | try {
|
2147 | args = JSON.parse(l10nArgs);
|
2148 | } catch (e) {
|
2149 | console.warn('could not parse arguments for #' + l10nId);
|
2150 | }
|
2151 | }
|
2152 |
|
2153 | return {
|
2154 | id: l10nId,
|
2155 | args: args
|
2156 | };
|
2157 | }
|
2158 |
|
2159 | function xhrLoadText(url, onSuccess, onFailure) {
|
2160 | onSuccess = onSuccess || function _onSuccess(data) {};
|
2161 |
|
2162 | onFailure = onFailure || function _onFailure() {};
|
2163 |
|
2164 | var xhr = new XMLHttpRequest();
|
2165 | xhr.open('GET', url, gAsyncResourceLoading);
|
2166 |
|
2167 | if (xhr.overrideMimeType) {
|
2168 | xhr.overrideMimeType('text/plain; charset=utf-8');
|
2169 | }
|
2170 |
|
2171 | xhr.onreadystatechange = function () {
|
2172 | if (xhr.readyState == 4) {
|
2173 | if (xhr.status == 200 || xhr.status === 0) {
|
2174 | onSuccess(xhr.responseText);
|
2175 | } else {
|
2176 | onFailure();
|
2177 | }
|
2178 | }
|
2179 | };
|
2180 |
|
2181 | xhr.onerror = onFailure;
|
2182 | xhr.ontimeout = onFailure;
|
2183 |
|
2184 | try {
|
2185 | xhr.send(null);
|
2186 | } catch (e) {
|
2187 | onFailure();
|
2188 | }
|
2189 | }
|
2190 |
|
2191 | function parseResource(href, lang, successCallback, failureCallback) {
|
2192 | var baseURL = href.replace(/[^\/]*$/, '') || './';
|
2193 |
|
2194 | function evalString(text) {
|
2195 | if (text.lastIndexOf('\\') < 0) return text;
|
2196 | 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, "'");
|
2197 | }
|
2198 |
|
2199 | function parseProperties(text, parsedPropertiesCallback) {
|
2200 | var dictionary = {};
|
2201 | var reBlank = /^\s*|\s*$/;
|
2202 | var reComment = /^\s*#|^\s*$/;
|
2203 | var reSection = /^\s*\[(.*)\]\s*$/;
|
2204 | var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
|
2205 | var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
|
2206 |
|
2207 | function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
|
2208 | var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
|
2209 | var currentLang = '*';
|
2210 | var genericLang = lang.split('-', 1)[0];
|
2211 | var skipLang = false;
|
2212 | var match = '';
|
2213 |
|
2214 | function nextEntry() {
|
2215 | while (true) {
|
2216 | if (!entries.length) {
|
2217 | parsedRawLinesCallback();
|
2218 | return;
|
2219 | }
|
2220 |
|
2221 | var line = entries.shift();
|
2222 | if (reComment.test(line)) continue;
|
2223 |
|
2224 | if (extendedSyntax) {
|
2225 | match = reSection.exec(line);
|
2226 |
|
2227 | if (match) {
|
2228 | currentLang = match[1].toLowerCase();
|
2229 | skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
|
2230 | continue;
|
2231 | } else if (skipLang) {
|
2232 | continue;
|
2233 | }
|
2234 |
|
2235 | match = reImport.exec(line);
|
2236 |
|
2237 | if (match) {
|
2238 | loadImport(baseURL + match[1], nextEntry);
|
2239 | return;
|
2240 | }
|
2241 | }
|
2242 |
|
2243 | var tmp = line.match(reSplit);
|
2244 |
|
2245 | if (tmp && tmp.length == 3) {
|
2246 | dictionary[tmp[1]] = evalString(tmp[2]);
|
2247 | }
|
2248 | }
|
2249 | }
|
2250 |
|
2251 | nextEntry();
|
2252 | }
|
2253 |
|
2254 | function loadImport(url, callback) {
|
2255 | xhrLoadText(url, function (content) {
|
2256 | parseRawLines(content, false, callback);
|
2257 | }, function () {
|
2258 | console.warn(url + ' not found.');
|
2259 | callback();
|
2260 | });
|
2261 | }
|
2262 |
|
2263 | parseRawLines(text, true, function () {
|
2264 | parsedPropertiesCallback(dictionary);
|
2265 | });
|
2266 | }
|
2267 |
|
2268 | xhrLoadText(href, function (response) {
|
2269 | gTextData += response;
|
2270 | parseProperties(response, function (data) {
|
2271 | for (var key in data) {
|
2272 | var id,
|
2273 | prop,
|
2274 | index = key.lastIndexOf('.');
|
2275 |
|
2276 | if (index > 0) {
|
2277 | id = key.substring(0, index);
|
2278 | prop = key.substring(index + 1);
|
2279 | } else {
|
2280 | id = key;
|
2281 | prop = gTextProp;
|
2282 | }
|
2283 |
|
2284 | if (!gL10nData[id]) {
|
2285 | gL10nData[id] = {};
|
2286 | }
|
2287 |
|
2288 | gL10nData[id][prop] = data[key];
|
2289 | }
|
2290 |
|
2291 | if (successCallback) {
|
2292 | successCallback();
|
2293 | }
|
2294 | });
|
2295 | }, failureCallback);
|
2296 | }
|
2297 |
|
2298 | function loadLocale(lang, callback) {
|
2299 | if (lang) {
|
2300 | lang = lang.toLowerCase();
|
2301 | }
|
2302 |
|
2303 | callback = callback || function _callback() {};
|
2304 |
|
2305 | clear();
|
2306 | gLanguage = lang;
|
2307 | var langLinks = getL10nResourceLinks();
|
2308 | var langCount = langLinks.length;
|
2309 |
|
2310 | if (langCount === 0) {
|
2311 | var dict = getL10nDictionary();
|
2312 |
|
2313 | if (dict && dict.locales && dict.default_locale) {
|
2314 | console.log('using the embedded JSON directory, early way out');
|
2315 | gL10nData = dict.locales[lang];
|
2316 |
|
2317 | if (!gL10nData) {
|
2318 | var defaultLocale = dict.default_locale.toLowerCase();
|
2319 |
|
2320 | for (var anyCaseLang in dict.locales) {
|
2321 | anyCaseLang = anyCaseLang.toLowerCase();
|
2322 |
|
2323 | if (anyCaseLang === lang) {
|
2324 | gL10nData = dict.locales[lang];
|
2325 | break;
|
2326 | } else if (anyCaseLang === defaultLocale) {
|
2327 | gL10nData = dict.locales[defaultLocale];
|
2328 | }
|
2329 | }
|
2330 | }
|
2331 |
|
2332 | callback();
|
2333 | } else {
|
2334 | console.log('no resource to load, early way out');
|
2335 | }
|
2336 |
|
2337 | gReadyState = 'complete';
|
2338 | return;
|
2339 | }
|
2340 |
|
2341 | var onResourceLoaded = null;
|
2342 | var gResourceCount = 0;
|
2343 |
|
2344 | onResourceLoaded = function () {
|
2345 | gResourceCount++;
|
2346 |
|
2347 | if (gResourceCount >= langCount) {
|
2348 | callback();
|
2349 | gReadyState = 'complete';
|
2350 | }
|
2351 | };
|
2352 |
|
2353 | function L10nResourceLink(link) {
|
2354 | var href = link.href;
|
2355 |
|
2356 | this.load = function (lang, callback) {
|
2357 | parseResource(href, lang, callback, function () {
|
2358 | console.warn(href + ' not found.');
|
2359 | console.warn('"' + lang + '" resource not found');
|
2360 | gLanguage = '';
|
2361 | callback();
|
2362 | });
|
2363 | };
|
2364 | }
|
2365 |
|
2366 | for (var i = 0; i < langCount; i++) {
|
2367 | var resource = new L10nResourceLink(langLinks[i]);
|
2368 | resource.load(lang, onResourceLoaded);
|
2369 | }
|
2370 | }
|
2371 |
|
2372 | function clear() {
|
2373 | gL10nData = {};
|
2374 | gTextData = '';
|
2375 | gLanguage = '';
|
2376 | }
|
2377 |
|
2378 | function getPluralRules(lang) {
|
2379 | var locales2rules = {
|
2380 | 'af': 3,
|
2381 | 'ak': 4,
|
2382 | 'am': 4,
|
2383 | 'ar': 1,
|
2384 | 'asa': 3,
|
2385 | 'az': 0,
|
2386 | 'be': 11,
|
2387 | 'bem': 3,
|
2388 | 'bez': 3,
|
2389 | 'bg': 3,
|
2390 | 'bh': 4,
|
2391 | 'bm': 0,
|
2392 | 'bn': 3,
|
2393 | 'bo': 0,
|
2394 | 'br': 20,
|
2395 | 'brx': 3,
|
2396 | 'bs': 11,
|
2397 | 'ca': 3,
|
2398 | 'cgg': 3,
|
2399 | 'chr': 3,
|
2400 | 'cs': 12,
|
2401 | 'cy': 17,
|
2402 | 'da': 3,
|
2403 | 'de': 3,
|
2404 | 'dv': 3,
|
2405 | 'dz': 0,
|
2406 | 'ee': 3,
|
2407 | 'el': 3,
|
2408 | 'en': 3,
|
2409 | 'eo': 3,
|
2410 | 'es': 3,
|
2411 | 'et': 3,
|
2412 | 'eu': 3,
|
2413 | 'fa': 0,
|
2414 | 'ff': 5,
|
2415 | 'fi': 3,
|
2416 | 'fil': 4,
|
2417 | 'fo': 3,
|
2418 | 'fr': 5,
|
2419 | 'fur': 3,
|
2420 | 'fy': 3,
|
2421 | 'ga': 8,
|
2422 | 'gd': 24,
|
2423 | 'gl': 3,
|
2424 | 'gsw': 3,
|
2425 | 'gu': 3,
|
2426 | 'guw': 4,
|
2427 | 'gv': 23,
|
2428 | 'ha': 3,
|
2429 | 'haw': 3,
|
2430 | 'he': 2,
|
2431 | 'hi': 4,
|
2432 | 'hr': 11,
|
2433 | 'hu': 0,
|
2434 | 'id': 0,
|
2435 | 'ig': 0,
|
2436 | 'ii': 0,
|
2437 | 'is': 3,
|
2438 | 'it': 3,
|
2439 | 'iu': 7,
|
2440 | 'ja': 0,
|
2441 | 'jmc': 3,
|
2442 | 'jv': 0,
|
2443 | 'ka': 0,
|
2444 | 'kab': 5,
|
2445 | 'kaj': 3,
|
2446 | 'kcg': 3,
|
2447 | 'kde': 0,
|
2448 | 'kea': 0,
|
2449 | 'kk': 3,
|
2450 | 'kl': 3,
|
2451 | 'km': 0,
|
2452 | 'kn': 0,
|
2453 | 'ko': 0,
|
2454 | 'ksb': 3,
|
2455 | 'ksh': 21,
|
2456 | 'ku': 3,
|
2457 | 'kw': 7,
|
2458 | 'lag': 18,
|
2459 | 'lb': 3,
|
2460 | 'lg': 3,
|
2461 | 'ln': 4,
|
2462 | 'lo': 0,
|
2463 | 'lt': 10,
|
2464 | 'lv': 6,
|
2465 | 'mas': 3,
|
2466 | 'mg': 4,
|
2467 | 'mk': 16,
|
2468 | 'ml': 3,
|
2469 | 'mn': 3,
|
2470 | 'mo': 9,
|
2471 | 'mr': 3,
|
2472 | 'ms': 0,
|
2473 | 'mt': 15,
|
2474 | 'my': 0,
|
2475 | 'nah': 3,
|
2476 | 'naq': 7,
|
2477 | 'nb': 3,
|
2478 | 'nd': 3,
|
2479 | 'ne': 3,
|
2480 | 'nl': 3,
|
2481 | 'nn': 3,
|
2482 | 'no': 3,
|
2483 | 'nr': 3,
|
2484 | 'nso': 4,
|
2485 | 'ny': 3,
|
2486 | 'nyn': 3,
|
2487 | 'om': 3,
|
2488 | 'or': 3,
|
2489 | 'pa': 3,
|
2490 | 'pap': 3,
|
2491 | 'pl': 13,
|
2492 | 'ps': 3,
|
2493 | 'pt': 3,
|
2494 | 'rm': 3,
|
2495 | 'ro': 9,
|
2496 | 'rof': 3,
|
2497 | 'ru': 11,
|
2498 | 'rwk': 3,
|
2499 | 'sah': 0,
|
2500 | 'saq': 3,
|
2501 | 'se': 7,
|
2502 | 'seh': 3,
|
2503 | 'ses': 0,
|
2504 | 'sg': 0,
|
2505 | 'sh': 11,
|
2506 | 'shi': 19,
|
2507 | 'sk': 12,
|
2508 | 'sl': 14,
|
2509 | 'sma': 7,
|
2510 | 'smi': 7,
|
2511 | 'smj': 7,
|
2512 | 'smn': 7,
|
2513 | 'sms': 7,
|
2514 | 'sn': 3,
|
2515 | 'so': 3,
|
2516 | 'sq': 3,
|
2517 | 'sr': 11,
|
2518 | 'ss': 3,
|
2519 | 'ssy': 3,
|
2520 | 'st': 3,
|
2521 | 'sv': 3,
|
2522 | 'sw': 3,
|
2523 | 'syr': 3,
|
2524 | 'ta': 3,
|
2525 | 'te': 3,
|
2526 | 'teo': 3,
|
2527 | 'th': 0,
|
2528 | 'ti': 4,
|
2529 | 'tig': 3,
|
2530 | 'tk': 3,
|
2531 | 'tl': 4,
|
2532 | 'tn': 3,
|
2533 | 'to': 0,
|
2534 | 'tr': 0,
|
2535 | 'ts': 3,
|
2536 | 'tzm': 22,
|
2537 | 'uk': 11,
|
2538 | 'ur': 3,
|
2539 | 've': 3,
|
2540 | 'vi': 0,
|
2541 | 'vun': 3,
|
2542 | 'wa': 4,
|
2543 | 'wae': 3,
|
2544 | 'wo': 0,
|
2545 | 'xh': 3,
|
2546 | 'xog': 3,
|
2547 | 'yo': 0,
|
2548 | 'zh': 0,
|
2549 | 'zu': 3
|
2550 | };
|
2551 |
|
2552 | function isIn(n, list) {
|
2553 | return list.indexOf(n) !== -1;
|
2554 | }
|
2555 |
|
2556 | function isBetween(n, start, end) {
|
2557 | return start <= n && n <= end;
|
2558 | }
|
2559 |
|
2560 | var pluralRules = {
|
2561 | '0': function (n) {
|
2562 | return 'other';
|
2563 | },
|
2564 | '1': function (n) {
|
2565 | if (isBetween(n % 100, 3, 10)) return 'few';
|
2566 | if (n === 0) return 'zero';
|
2567 | if (isBetween(n % 100, 11, 99)) return 'many';
|
2568 | if (n == 2) return 'two';
|
2569 | if (n == 1) return 'one';
|
2570 | return 'other';
|
2571 | },
|
2572 | '2': function (n) {
|
2573 | if (n !== 0 && n % 10 === 0) return 'many';
|
2574 | if (n == 2) return 'two';
|
2575 | if (n == 1) return 'one';
|
2576 | return 'other';
|
2577 | },
|
2578 | '3': function (n) {
|
2579 | if (n == 1) return 'one';
|
2580 | return 'other';
|
2581 | },
|
2582 | '4': function (n) {
|
2583 | if (isBetween(n, 0, 1)) return 'one';
|
2584 | return 'other';
|
2585 | },
|
2586 | '5': function (n) {
|
2587 | if (isBetween(n, 0, 2) && n != 2) return 'one';
|
2588 | return 'other';
|
2589 | },
|
2590 | '6': function (n) {
|
2591 | if (n === 0) return 'zero';
|
2592 | if (n % 10 == 1 && n % 100 != 11) return 'one';
|
2593 | return 'other';
|
2594 | },
|
2595 | '7': function (n) {
|
2596 | if (n == 2) return 'two';
|
2597 | if (n == 1) return 'one';
|
2598 | return 'other';
|
2599 | },
|
2600 | '8': function (n) {
|
2601 | if (isBetween(n, 3, 6)) return 'few';
|
2602 | if (isBetween(n, 7, 10)) return 'many';
|
2603 | if (n == 2) return 'two';
|
2604 | if (n == 1) return 'one';
|
2605 | return 'other';
|
2606 | },
|
2607 | '9': function (n) {
|
2608 | if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
|
2609 | if (n == 1) return 'one';
|
2610 | return 'other';
|
2611 | },
|
2612 | '10': function (n) {
|
2613 | if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
|
2614 | if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
|
2615 | return 'other';
|
2616 | },
|
2617 | '11': function (n) {
|
2618 | if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
|
2619 | if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
|
2620 | if (n % 10 == 1 && n % 100 != 11) return 'one';
|
2621 | return 'other';
|
2622 | },
|
2623 | '12': function (n) {
|
2624 | if (isBetween(n, 2, 4)) return 'few';
|
2625 | if (n == 1) return 'one';
|
2626 | return 'other';
|
2627 | },
|
2628 | '13': function (n) {
|
2629 | if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
|
2630 | if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
|
2631 | if (n == 1) return 'one';
|
2632 | return 'other';
|
2633 | },
|
2634 | '14': function (n) {
|
2635 | if (isBetween(n % 100, 3, 4)) return 'few';
|
2636 | if (n % 100 == 2) return 'two';
|
2637 | if (n % 100 == 1) return 'one';
|
2638 | return 'other';
|
2639 | },
|
2640 | '15': function (n) {
|
2641 | if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
|
2642 | if (isBetween(n % 100, 11, 19)) return 'many';
|
2643 | if (n == 1) return 'one';
|
2644 | return 'other';
|
2645 | },
|
2646 | '16': function (n) {
|
2647 | if (n % 10 == 1 && n != 11) return 'one';
|
2648 | return 'other';
|
2649 | },
|
2650 | '17': function (n) {
|
2651 | if (n == 3) return 'few';
|
2652 | if (n === 0) return 'zero';
|
2653 | if (n == 6) return 'many';
|
2654 | if (n == 2) return 'two';
|
2655 | if (n == 1) return 'one';
|
2656 | return 'other';
|
2657 | },
|
2658 | '18': function (n) {
|
2659 | if (n === 0) return 'zero';
|
2660 | if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
|
2661 | return 'other';
|
2662 | },
|
2663 | '19': function (n) {
|
2664 | if (isBetween(n, 2, 10)) return 'few';
|
2665 | if (isBetween(n, 0, 1)) return 'one';
|
2666 | return 'other';
|
2667 | },
|
2668 | '20': function (n) {
|
2669 | 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';
|
2670 | if (n % 1000000 === 0 && n !== 0) return 'many';
|
2671 | if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
|
2672 | if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
|
2673 | return 'other';
|
2674 | },
|
2675 | '21': function (n) {
|
2676 | if (n === 0) return 'zero';
|
2677 | if (n == 1) return 'one';
|
2678 | return 'other';
|
2679 | },
|
2680 | '22': function (n) {
|
2681 | if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
|
2682 | return 'other';
|
2683 | },
|
2684 | '23': function (n) {
|
2685 | if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
|
2686 | return 'other';
|
2687 | },
|
2688 | '24': function (n) {
|
2689 | if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
|
2690 | if (isIn(n, [2, 12])) return 'two';
|
2691 | if (isIn(n, [1, 11])) return 'one';
|
2692 | return 'other';
|
2693 | }
|
2694 | };
|
2695 | var index = locales2rules[lang.replace(/-.*$/, '')];
|
2696 |
|
2697 | if (!(index in pluralRules)) {
|
2698 | console.warn('plural form unknown for [' + lang + ']');
|
2699 | return function () {
|
2700 | return 'other';
|
2701 | };
|
2702 | }
|
2703 |
|
2704 | return pluralRules[index];
|
2705 | }
|
2706 |
|
2707 | gMacros.plural = function (str, param, key, prop) {
|
2708 | var n = parseFloat(param);
|
2709 | if (isNaN(n)) return str;
|
2710 | if (prop != gTextProp) return str;
|
2711 |
|
2712 | if (!gMacros._pluralRules) {
|
2713 | gMacros._pluralRules = getPluralRules(gLanguage);
|
2714 | }
|
2715 |
|
2716 | var index = '[' + gMacros._pluralRules(n) + ']';
|
2717 |
|
2718 | if (n === 0 && key + '[zero]' in gL10nData) {
|
2719 | str = gL10nData[key + '[zero]'][prop];
|
2720 | } else if (n == 1 && key + '[one]' in gL10nData) {
|
2721 | str = gL10nData[key + '[one]'][prop];
|
2722 | } else if (n == 2 && key + '[two]' in gL10nData) {
|
2723 | str = gL10nData[key + '[two]'][prop];
|
2724 | } else if (key + index in gL10nData) {
|
2725 | str = gL10nData[key + index][prop];
|
2726 | } else if (key + '[other]' in gL10nData) {
|
2727 | str = gL10nData[key + '[other]'][prop];
|
2728 | }
|
2729 |
|
2730 | return str;
|
2731 | };
|
2732 |
|
2733 | function getL10nData(key, args, fallback) {
|
2734 | var data = gL10nData[key];
|
2735 |
|
2736 | if (!data) {
|
2737 | console.warn('#' + key + ' is undefined.');
|
2738 |
|
2739 | if (!fallback) {
|
2740 | return null;
|
2741 | }
|
2742 |
|
2743 | data = fallback;
|
2744 | }
|
2745 |
|
2746 | var rv = {};
|
2747 |
|
2748 | for (var prop in data) {
|
2749 | var str = data[prop];
|
2750 | str = substIndexes(str, args, key, prop);
|
2751 | str = substArguments(str, args, key);
|
2752 | rv[prop] = str;
|
2753 | }
|
2754 |
|
2755 | return rv;
|
2756 | }
|
2757 |
|
2758 | function substIndexes(str, args, key, prop) {
|
2759 | var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
|
2760 | var reMatch = reIndex.exec(str);
|
2761 | if (!reMatch || !reMatch.length) return str;
|
2762 | var macroName = reMatch[1];
|
2763 | var paramName = reMatch[2];
|
2764 | var param;
|
2765 |
|
2766 | if (args && paramName in args) {
|
2767 | param = args[paramName];
|
2768 | } else if (paramName in gL10nData) {
|
2769 | param = gL10nData[paramName];
|
2770 | }
|
2771 |
|
2772 | if (macroName in gMacros) {
|
2773 | var macro = gMacros[macroName];
|
2774 | str = macro(str, param, key, prop);
|
2775 | }
|
2776 |
|
2777 | return str;
|
2778 | }
|
2779 |
|
2780 | function substArguments(str, args, key) {
|
2781 | var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
|
2782 | return str.replace(reArgs, function (matched_text, arg) {
|
2783 | if (args && arg in args) {
|
2784 | return args[arg];
|
2785 | }
|
2786 |
|
2787 | if (arg in gL10nData) {
|
2788 | return gL10nData[arg];
|
2789 | }
|
2790 |
|
2791 | console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
|
2792 | return matched_text;
|
2793 | });
|
2794 | }
|
2795 |
|
2796 | function translateElement(element) {
|
2797 | var l10n = getL10nAttributes(element);
|
2798 | if (!l10n.id) return;
|
2799 | var data = getL10nData(l10n.id, l10n.args);
|
2800 |
|
2801 | if (!data) {
|
2802 | console.warn('#' + l10n.id + ' is undefined.');
|
2803 | return;
|
2804 | }
|
2805 |
|
2806 | if (data[gTextProp]) {
|
2807 | if (getChildElementCount(element) === 0) {
|
2808 | element[gTextProp] = data[gTextProp];
|
2809 | } else {
|
2810 | var children = element.childNodes;
|
2811 | var found = false;
|
2812 |
|
2813 | for (var i = 0, l = children.length; i < l; i++) {
|
2814 | if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
|
2815 | if (found) {
|
2816 | children[i].nodeValue = '';
|
2817 | } else {
|
2818 | children[i].nodeValue = data[gTextProp];
|
2819 | found = true;
|
2820 | }
|
2821 | }
|
2822 | }
|
2823 |
|
2824 | if (!found) {
|
2825 | var textNode = document.createTextNode(data[gTextProp]);
|
2826 | element.insertBefore(textNode, element.firstChild);
|
2827 | }
|
2828 | }
|
2829 |
|
2830 | delete data[gTextProp];
|
2831 | }
|
2832 |
|
2833 | for (var k in data) {
|
2834 | element[k] = data[k];
|
2835 | }
|
2836 | }
|
2837 |
|
2838 | function getChildElementCount(element) {
|
2839 | if (element.children) {
|
2840 | return element.children.length;
|
2841 | }
|
2842 |
|
2843 | if (typeof element.childElementCount !== 'undefined') {
|
2844 | return element.childElementCount;
|
2845 | }
|
2846 |
|
2847 | var count = 0;
|
2848 |
|
2849 | for (var i = 0; i < element.childNodes.length; i++) {
|
2850 | count += element.nodeType === 1 ? 1 : 0;
|
2851 | }
|
2852 |
|
2853 | return count;
|
2854 | }
|
2855 |
|
2856 | function translateFragment(element) {
|
2857 | element = element || document.documentElement;
|
2858 | var children = getTranslatableChildren(element);
|
2859 | var elementCount = children.length;
|
2860 |
|
2861 | for (var i = 0; i < elementCount; i++) {
|
2862 | translateElement(children[i]);
|
2863 | }
|
2864 |
|
2865 | translateElement(element);
|
2866 | }
|
2867 |
|
2868 | return {
|
2869 | get: function (key, args, fallbackString) {
|
2870 | var index = key.lastIndexOf('.');
|
2871 | var prop = gTextProp;
|
2872 |
|
2873 | if (index > 0) {
|
2874 | prop = key.substring(index + 1);
|
2875 | key = key.substring(0, index);
|
2876 | }
|
2877 |
|
2878 | var fallback;
|
2879 |
|
2880 | if (fallbackString) {
|
2881 | fallback = {};
|
2882 | fallback[prop] = fallbackString;
|
2883 | }
|
2884 |
|
2885 | var data = getL10nData(key, args, fallback);
|
2886 |
|
2887 | if (data && prop in data) {
|
2888 | return data[prop];
|
2889 | }
|
2890 |
|
2891 | return '{{' + key + '}}';
|
2892 | },
|
2893 | getData: function () {
|
2894 | return gL10nData;
|
2895 | },
|
2896 | getText: function () {
|
2897 | return gTextData;
|
2898 | },
|
2899 | getLanguage: function () {
|
2900 | return gLanguage;
|
2901 | },
|
2902 | setLanguage: function (lang, callback) {
|
2903 | loadLocale(lang, function () {
|
2904 | if (callback) callback();
|
2905 | });
|
2906 | },
|
2907 | getDirection: function () {
|
2908 | var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
|
2909 | var shortCode = gLanguage.split('-', 1)[0];
|
2910 | return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
|
2911 | },
|
2912 | translate: translateFragment,
|
2913 | getReadyState: function () {
|
2914 | return gReadyState;
|
2915 | },
|
2916 | ready: function (callback) {
|
2917 | if (!callback) {
|
2918 | return;
|
2919 | } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
|
2920 | window.setTimeout(function () {
|
2921 | callback();
|
2922 | });
|
2923 | } else if (document.addEventListener) {
|
2924 | document.addEventListener('localized', function once() {
|
2925 | document.removeEventListener('localized', once);
|
2926 | callback();
|
2927 | });
|
2928 | }
|
2929 | }
|
2930 | };
|
2931 | }(window, document);
|
2932 |
|
2933 | }),
|
2934 |
|
2935 | (function(module, exports, __w_pdfjs_require__) {
|
2936 |
|
2937 | "use strict";
|
2938 |
|
2939 |
|
2940 | Object.defineProperty(exports, "__esModule", {
|
2941 | value: true
|
2942 | });
|
2943 | exports.PDFFindController = exports.FindState = void 0;
|
2944 |
|
2945 | var _pdfjsLib = __w_pdfjs_require__(2);
|
2946 |
|
2947 | var _pdf_find_utils = __w_pdfjs_require__(11);
|
2948 |
|
2949 | var _ui_utils = __w_pdfjs_require__(3);
|
2950 |
|
2951 | const FindState = {
|
2952 | FOUND: 0,
|
2953 | NOT_FOUND: 1,
|
2954 | WRAPPED: 2,
|
2955 | PENDING: 3
|
2956 | };
|
2957 | exports.FindState = FindState;
|
2958 | const FIND_TIMEOUT = 250;
|
2959 | const MATCH_SCROLL_OFFSET_TOP = -50;
|
2960 | const MATCH_SCROLL_OFFSET_LEFT = -400;
|
2961 | const CHARACTERS_TO_NORMALIZE = {
|
2962 | "\u2018": "'",
|
2963 | "\u2019": "'",
|
2964 | "\u201A": "'",
|
2965 | "\u201B": "'",
|
2966 | "\u201C": '"',
|
2967 | "\u201D": '"',
|
2968 | "\u201E": '"',
|
2969 | "\u201F": '"',
|
2970 | "\u00BC": "1/4",
|
2971 | "\u00BD": "1/2",
|
2972 | "\u00BE": "3/4"
|
2973 | };
|
2974 | let normalizationRegex = null;
|
2975 |
|
2976 | function normalize(text) {
|
2977 | if (!normalizationRegex) {
|
2978 | const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
|
2979 | normalizationRegex = new RegExp(`[${replace}]`, "g");
|
2980 | }
|
2981 |
|
2982 | return text.replace(normalizationRegex, function (ch) {
|
2983 | return CHARACTERS_TO_NORMALIZE[ch];
|
2984 | });
|
2985 | }
|
2986 |
|
2987 | class PDFFindController {
|
2988 | constructor({
|
2989 | linkService,
|
2990 | eventBus
|
2991 | }) {
|
2992 | this._linkService = linkService;
|
2993 | this._eventBus = eventBus;
|
2994 |
|
2995 | this._reset();
|
2996 |
|
2997 | eventBus._on("findbarclose", this._onFindBarClose.bind(this));
|
2998 | }
|
2999 |
|
3000 | get highlightMatches() {
|
3001 | return this._highlightMatches;
|
3002 | }
|
3003 |
|
3004 | get pageMatches() {
|
3005 | return this._pageMatches;
|
3006 | }
|
3007 |
|
3008 | get pageMatchesLength() {
|
3009 | return this._pageMatchesLength;
|
3010 | }
|
3011 |
|
3012 | get selected() {
|
3013 | return this._selected;
|
3014 | }
|
3015 |
|
3016 | get state() {
|
3017 | return this._state;
|
3018 | }
|
3019 |
|
3020 | setDocument(pdfDocument) {
|
3021 | if (this._pdfDocument) {
|
3022 | this._reset();
|
3023 | }
|
3024 |
|
3025 | if (!pdfDocument) {
|
3026 | return;
|
3027 | }
|
3028 |
|
3029 | this._pdfDocument = pdfDocument;
|
3030 |
|
3031 | this._firstPageCapability.resolve();
|
3032 | }
|
3033 |
|
3034 | executeCommand(cmd, state) {
|
3035 | if (!state) {
|
3036 | return;
|
3037 | }
|
3038 |
|
3039 | const pdfDocument = this._pdfDocument;
|
3040 |
|
3041 | if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
|
3042 | this._dirtyMatch = true;
|
3043 | }
|
3044 |
|
3045 | this._state = state;
|
3046 |
|
3047 | if (cmd !== "findhighlightallchange") {
|
3048 | this._updateUIState(FindState.PENDING);
|
3049 | }
|
3050 |
|
3051 | this._firstPageCapability.promise.then(() => {
|
3052 | if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
|
3053 | return;
|
3054 | }
|
3055 |
|
3056 | this._extractText();
|
3057 |
|
3058 | const findbarClosed = !this._highlightMatches;
|
3059 | const pendingTimeout = !!this._findTimeout;
|
3060 |
|
3061 | if (this._findTimeout) {
|
3062 | clearTimeout(this._findTimeout);
|
3063 | this._findTimeout = null;
|
3064 | }
|
3065 |
|
3066 | if (cmd === "find") {
|
3067 | this._findTimeout = setTimeout(() => {
|
3068 | this._nextMatch();
|
3069 |
|
3070 | this._findTimeout = null;
|
3071 | }, FIND_TIMEOUT);
|
3072 | } else if (this._dirtyMatch) {
|
3073 | this._nextMatch();
|
3074 | } else if (cmd === "findagain") {
|
3075 | this._nextMatch();
|
3076 |
|
3077 | if (findbarClosed && this._state.highlightAll) {
|
3078 | this._updateAllPages();
|
3079 | }
|
3080 | } else if (cmd === "findhighlightallchange") {
|
3081 | if (pendingTimeout) {
|
3082 | this._nextMatch();
|
3083 | } else {
|
3084 | this._highlightMatches = true;
|
3085 | }
|
3086 |
|
3087 | this._updateAllPages();
|
3088 | } else {
|
3089 | this._nextMatch();
|
3090 | }
|
3091 | });
|
3092 | }
|
3093 |
|
3094 | scrollMatchIntoView({
|
3095 | element = null,
|
3096 | pageIndex = -1,
|
3097 | matchIndex = -1
|
3098 | }) {
|
3099 | if (!this._scrollMatches || !element) {
|
3100 | return;
|
3101 | } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
|
3102 | return;
|
3103 | } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
|
3104 | return;
|
3105 | }
|
3106 |
|
3107 | this._scrollMatches = false;
|
3108 | const spot = {
|
3109 | top: MATCH_SCROLL_OFFSET_TOP,
|
3110 | left: MATCH_SCROLL_OFFSET_LEFT
|
3111 | };
|
3112 | (0, _ui_utils.scrollIntoView)(element, spot, true);
|
3113 | }
|
3114 |
|
3115 | _reset() {
|
3116 | this._highlightMatches = false;
|
3117 | this._scrollMatches = false;
|
3118 | this._pdfDocument = null;
|
3119 | this._pageMatches = [];
|
3120 | this._pageMatchesLength = [];
|
3121 | this._state = null;
|
3122 | this._selected = {
|
3123 | pageIdx: -1,
|
3124 | matchIdx: -1
|
3125 | };
|
3126 | this._offset = {
|
3127 | pageIdx: null,
|
3128 | matchIdx: null,
|
3129 | wrapped: false
|
3130 | };
|
3131 | this._extractTextPromises = [];
|
3132 | this._pageContents = [];
|
3133 | this._matchesCountTotal = 0;
|
3134 | this._pagesToSearch = null;
|
3135 | this._pendingFindMatches = Object.create(null);
|
3136 | this._resumePageIdx = null;
|
3137 | this._dirtyMatch = false;
|
3138 | clearTimeout(this._findTimeout);
|
3139 | this._findTimeout = null;
|
3140 | this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
|
3141 | }
|
3142 |
|
3143 | get _query() {
|
3144 | if (this._state.query !== this._rawQuery) {
|
3145 | this._rawQuery = this._state.query;
|
3146 | this._normalizedQuery = normalize(this._state.query);
|
3147 | }
|
3148 |
|
3149 | return this._normalizedQuery;
|
3150 | }
|
3151 |
|
3152 | _shouldDirtyMatch(cmd, state) {
|
3153 | if (state.query !== this._state.query) {
|
3154 | return true;
|
3155 | }
|
3156 |
|
3157 | switch (cmd) {
|
3158 | case "findagain":
|
3159 | const pageNumber = this._selected.pageIdx + 1;
|
3160 | const linkService = this._linkService;
|
3161 |
|
3162 | if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
|
3163 | return true;
|
3164 | }
|
3165 |
|
3166 | return false;
|
3167 |
|
3168 | case "findhighlightallchange":
|
3169 | return false;
|
3170 | }
|
3171 |
|
3172 | return true;
|
3173 | }
|
3174 |
|
3175 | _prepareMatches(matchesWithLength, matches, matchesLength) {
|
3176 | function isSubTerm(currentIndex) {
|
3177 | const currentElem = matchesWithLength[currentIndex];
|
3178 | const nextElem = matchesWithLength[currentIndex + 1];
|
3179 |
|
3180 | if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
|
3181 | currentElem.skipped = true;
|
3182 | return true;
|
3183 | }
|
3184 |
|
3185 | for (let i = currentIndex - 1; i >= 0; i--) {
|
3186 | const prevElem = matchesWithLength[i];
|
3187 |
|
3188 | if (prevElem.skipped) {
|
3189 | continue;
|
3190 | }
|
3191 |
|
3192 | if (prevElem.match + prevElem.matchLength < currentElem.match) {
|
3193 | break;
|
3194 | }
|
3195 |
|
3196 | if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
|
3197 | currentElem.skipped = true;
|
3198 | return true;
|
3199 | }
|
3200 | }
|
3201 |
|
3202 | return false;
|
3203 | }
|
3204 |
|
3205 | matchesWithLength.sort(function (a, b) {
|
3206 | return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
|
3207 | });
|
3208 |
|
3209 | for (let i = 0, len = matchesWithLength.length; i < len; i++) {
|
3210 | if (isSubTerm(i)) {
|
3211 | continue;
|
3212 | }
|
3213 |
|
3214 | matches.push(matchesWithLength[i].match);
|
3215 | matchesLength.push(matchesWithLength[i].matchLength);
|
3216 | }
|
3217 | }
|
3218 |
|
3219 | _isEntireWord(content, startIdx, length) {
|
3220 | if (startIdx > 0) {
|
3221 | const first = content.charCodeAt(startIdx);
|
3222 | const limit = content.charCodeAt(startIdx - 1);
|
3223 |
|
3224 | if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
|
3225 | return false;
|
3226 | }
|
3227 | }
|
3228 |
|
3229 | const endIdx = startIdx + length - 1;
|
3230 |
|
3231 | if (endIdx < content.length - 1) {
|
3232 | const last = content.charCodeAt(endIdx);
|
3233 | const limit = content.charCodeAt(endIdx + 1);
|
3234 |
|
3235 | if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
|
3236 | return false;
|
3237 | }
|
3238 | }
|
3239 |
|
3240 | return true;
|
3241 | }
|
3242 |
|
3243 | _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
|
3244 | const matches = [];
|
3245 | const queryLen = query.length;
|
3246 | let matchIdx = -queryLen;
|
3247 |
|
3248 | while (true) {
|
3249 | matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
|
3250 |
|
3251 | if (matchIdx === -1) {
|
3252 | break;
|
3253 | }
|
3254 |
|
3255 | if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
|
3256 | continue;
|
3257 | }
|
3258 |
|
3259 | matches.push(matchIdx);
|
3260 | }
|
3261 |
|
3262 | this._pageMatches[pageIndex] = matches;
|
3263 | }
|
3264 |
|
3265 | _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
|
3266 | const matchesWithLength = [];
|
3267 | const queryArray = query.match(/\S+/g);
|
3268 |
|
3269 | for (let i = 0, len = queryArray.length; i < len; i++) {
|
3270 | const subquery = queryArray[i];
|
3271 | const subqueryLen = subquery.length;
|
3272 | let matchIdx = -subqueryLen;
|
3273 |
|
3274 | while (true) {
|
3275 | matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
|
3276 |
|
3277 | if (matchIdx === -1) {
|
3278 | break;
|
3279 | }
|
3280 |
|
3281 | if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
|
3282 | continue;
|
3283 | }
|
3284 |
|
3285 | matchesWithLength.push({
|
3286 | match: matchIdx,
|
3287 | matchLength: subqueryLen,
|
3288 | skipped: false
|
3289 | });
|
3290 | }
|
3291 | }
|
3292 |
|
3293 | this._pageMatchesLength[pageIndex] = [];
|
3294 | this._pageMatches[pageIndex] = [];
|
3295 |
|
3296 | this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
|
3297 | }
|
3298 |
|
3299 | _calculateMatch(pageIndex) {
|
3300 | let pageContent = this._pageContents[pageIndex];
|
3301 | let query = this._query;
|
3302 | const {
|
3303 | caseSensitive,
|
3304 | entireWord,
|
3305 | phraseSearch
|
3306 | } = this._state;
|
3307 |
|
3308 | if (query.length === 0) {
|
3309 | return;
|
3310 | }
|
3311 |
|
3312 | if (!caseSensitive) {
|
3313 | pageContent = pageContent.toLowerCase();
|
3314 | query = query.toLowerCase();
|
3315 | }
|
3316 |
|
3317 | if (phraseSearch) {
|
3318 | this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
|
3319 | } else {
|
3320 | this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
|
3321 | }
|
3322 |
|
3323 | if (this._state.highlightAll) {
|
3324 | this._updatePage(pageIndex);
|
3325 | }
|
3326 |
|
3327 | if (this._resumePageIdx === pageIndex) {
|
3328 | this._resumePageIdx = null;
|
3329 |
|
3330 | this._nextPageMatch();
|
3331 | }
|
3332 |
|
3333 | const pageMatchesCount = this._pageMatches[pageIndex].length;
|
3334 |
|
3335 | if (pageMatchesCount > 0) {
|
3336 | this._matchesCountTotal += pageMatchesCount;
|
3337 |
|
3338 | this._updateUIResultsCount();
|
3339 | }
|
3340 | }
|
3341 |
|
3342 | _extractText() {
|
3343 | if (this._extractTextPromises.length > 0) {
|
3344 | return;
|
3345 | }
|
3346 |
|
3347 | let promise = Promise.resolve();
|
3348 |
|
3349 | for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
|
3350 | const extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
|
3351 | this._extractTextPromises[i] = extractTextCapability.promise;
|
3352 | promise = promise.then(() => {
|
3353 | return this._pdfDocument.getPage(i + 1).then(pdfPage => {
|
3354 | return pdfPage.getTextContent({
|
3355 | normalizeWhitespace: true
|
3356 | });
|
3357 | }).then(textContent => {
|
3358 | const textItems = textContent.items;
|
3359 | const strBuf = [];
|
3360 |
|
3361 | for (let j = 0, jj = textItems.length; j < jj; j++) {
|
3362 | strBuf.push(textItems[j].str);
|
3363 | }
|
3364 |
|
3365 | this._pageContents[i] = normalize(strBuf.join(""));
|
3366 | extractTextCapability.resolve(i);
|
3367 | }, reason => {
|
3368 | console.error(`Unable to get text content for page ${i + 1}`, reason);
|
3369 | this._pageContents[i] = "";
|
3370 | extractTextCapability.resolve(i);
|
3371 | });
|
3372 | });
|
3373 | }
|
3374 | }
|
3375 |
|
3376 | _updatePage(index) {
|
3377 | if (this._scrollMatches && this._selected.pageIdx === index) {
|
3378 | this._linkService.page = index + 1;
|
3379 | }
|
3380 |
|
3381 | this._eventBus.dispatch("updatetextlayermatches", {
|
3382 | source: this,
|
3383 | pageIndex: index
|
3384 | });
|
3385 | }
|
3386 |
|
3387 | _updateAllPages() {
|
3388 | this._eventBus.dispatch("updatetextlayermatches", {
|
3389 | source: this,
|
3390 | pageIndex: -1
|
3391 | });
|
3392 | }
|
3393 |
|
3394 | _nextMatch() {
|
3395 | const previous = this._state.findPrevious;
|
3396 | const currentPageIndex = this._linkService.page - 1;
|
3397 | const numPages = this._linkService.pagesCount;
|
3398 | this._highlightMatches = true;
|
3399 |
|
3400 | if (this._dirtyMatch) {
|
3401 | this._dirtyMatch = false;
|
3402 | this._selected.pageIdx = this._selected.matchIdx = -1;
|
3403 | this._offset.pageIdx = currentPageIndex;
|
3404 | this._offset.matchIdx = null;
|
3405 | this._offset.wrapped = false;
|
3406 | this._resumePageIdx = null;
|
3407 | this._pageMatches.length = 0;
|
3408 | this._pageMatchesLength.length = 0;
|
3409 | this._matchesCountTotal = 0;
|
3410 |
|
3411 | this._updateAllPages();
|
3412 |
|
3413 | for (let i = 0; i < numPages; i++) {
|
3414 | if (this._pendingFindMatches[i] === true) {
|
3415 | continue;
|
3416 | }
|
3417 |
|
3418 | this._pendingFindMatches[i] = true;
|
3419 |
|
3420 | this._extractTextPromises[i].then(pageIdx => {
|
3421 | delete this._pendingFindMatches[pageIdx];
|
3422 |
|
3423 | this._calculateMatch(pageIdx);
|
3424 | });
|
3425 | }
|
3426 | }
|
3427 |
|
3428 | if (this._query === "") {
|
3429 | this._updateUIState(FindState.FOUND);
|
3430 |
|
3431 | return;
|
3432 | }
|
3433 |
|
3434 | if (this._resumePageIdx) {
|
3435 | return;
|
3436 | }
|
3437 |
|
3438 | const offset = this._offset;
|
3439 | this._pagesToSearch = numPages;
|
3440 |
|
3441 | if (offset.matchIdx !== null) {
|
3442 | const numPageMatches = this._pageMatches[offset.pageIdx].length;
|
3443 |
|
3444 | if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
|
3445 | offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
|
3446 |
|
3447 | this._updateMatch(true);
|
3448 |
|
3449 | return;
|
3450 | }
|
3451 |
|
3452 | this._advanceOffsetPage(previous);
|
3453 | }
|
3454 |
|
3455 | this._nextPageMatch();
|
3456 | }
|
3457 |
|
3458 | _matchesReady(matches) {
|
3459 | const offset = this._offset;
|
3460 | const numMatches = matches.length;
|
3461 | const previous = this._state.findPrevious;
|
3462 |
|
3463 | if (numMatches) {
|
3464 | offset.matchIdx = previous ? numMatches - 1 : 0;
|
3465 |
|
3466 | this._updateMatch(true);
|
3467 |
|
3468 | return true;
|
3469 | }
|
3470 |
|
3471 | this._advanceOffsetPage(previous);
|
3472 |
|
3473 | if (offset.wrapped) {
|
3474 | offset.matchIdx = null;
|
3475 |
|
3476 | if (this._pagesToSearch < 0) {
|
3477 | this._updateMatch(false);
|
3478 |
|
3479 | return true;
|
3480 | }
|
3481 | }
|
3482 |
|
3483 | return false;
|
3484 | }
|
3485 |
|
3486 | _nextPageMatch() {
|
3487 | if (this._resumePageIdx !== null) {
|
3488 | console.error("There can only be one pending page.");
|
3489 | }
|
3490 |
|
3491 | let matches = null;
|
3492 |
|
3493 | do {
|
3494 | const pageIdx = this._offset.pageIdx;
|
3495 | matches = this._pageMatches[pageIdx];
|
3496 |
|
3497 | if (!matches) {
|
3498 | this._resumePageIdx = pageIdx;
|
3499 | break;
|
3500 | }
|
3501 | } while (!this._matchesReady(matches));
|
3502 | }
|
3503 |
|
3504 | _advanceOffsetPage(previous) {
|
3505 | const offset = this._offset;
|
3506 | const numPages = this._linkService.pagesCount;
|
3507 | offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
|
3508 | offset.matchIdx = null;
|
3509 | this._pagesToSearch--;
|
3510 |
|
3511 | if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
|
3512 | offset.pageIdx = previous ? numPages - 1 : 0;
|
3513 | offset.wrapped = true;
|
3514 | }
|
3515 | }
|
3516 |
|
3517 | _updateMatch(found = false) {
|
3518 | let state = FindState.NOT_FOUND;
|
3519 | const wrapped = this._offset.wrapped;
|
3520 | this._offset.wrapped = false;
|
3521 |
|
3522 | if (found) {
|
3523 | const previousPage = this._selected.pageIdx;
|
3524 | this._selected.pageIdx = this._offset.pageIdx;
|
3525 | this._selected.matchIdx = this._offset.matchIdx;
|
3526 | state = wrapped ? FindState.WRAPPED : FindState.FOUND;
|
3527 |
|
3528 | if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
|
3529 | this._updatePage(previousPage);
|
3530 | }
|
3531 | }
|
3532 |
|
3533 | this._updateUIState(state, this._state.findPrevious);
|
3534 |
|
3535 | if (this._selected.pageIdx !== -1) {
|
3536 | this._scrollMatches = true;
|
3537 |
|
3538 | this._updatePage(this._selected.pageIdx);
|
3539 | }
|
3540 | }
|
3541 |
|
3542 | _onFindBarClose(evt) {
|
3543 | const pdfDocument = this._pdfDocument;
|
3544 |
|
3545 | this._firstPageCapability.promise.then(() => {
|
3546 | if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
|
3547 | return;
|
3548 | }
|
3549 |
|
3550 | if (this._findTimeout) {
|
3551 | clearTimeout(this._findTimeout);
|
3552 | this._findTimeout = null;
|
3553 | }
|
3554 |
|
3555 | if (this._resumePageIdx) {
|
3556 | this._resumePageIdx = null;
|
3557 | this._dirtyMatch = true;
|
3558 | }
|
3559 |
|
3560 | this._updateUIState(FindState.FOUND);
|
3561 |
|
3562 | this._highlightMatches = false;
|
3563 |
|
3564 | this._updateAllPages();
|
3565 | });
|
3566 | }
|
3567 |
|
3568 | _requestMatchesCount() {
|
3569 | const {
|
3570 | pageIdx,
|
3571 | matchIdx
|
3572 | } = this._selected;
|
3573 | let current = 0,
|
3574 | total = this._matchesCountTotal;
|
3575 |
|
3576 | if (matchIdx !== -1) {
|
3577 | for (let i = 0; i < pageIdx; i++) {
|
3578 | current += this._pageMatches[i] && this._pageMatches[i].length || 0;
|
3579 | }
|
3580 |
|
3581 | current += matchIdx + 1;
|
3582 | }
|
3583 |
|
3584 | if (current < 1 || current > total) {
|
3585 | current = total = 0;
|
3586 | }
|
3587 |
|
3588 | return {
|
3589 | current,
|
3590 | total
|
3591 | };
|
3592 | }
|
3593 |
|
3594 | _updateUIResultsCount() {
|
3595 | this._eventBus.dispatch("updatefindmatchescount", {
|
3596 | source: this,
|
3597 | matchesCount: this._requestMatchesCount()
|
3598 | });
|
3599 | }
|
3600 |
|
3601 | _updateUIState(state, previous) {
|
3602 | this._eventBus.dispatch("updatefindcontrolstate", {
|
3603 | source: this,
|
3604 | state,
|
3605 | previous,
|
3606 | matchesCount: this._requestMatchesCount()
|
3607 | });
|
3608 | }
|
3609 |
|
3610 | }
|
3611 |
|
3612 | exports.PDFFindController = PDFFindController;
|
3613 |
|
3614 | }),
|
3615 |
|
3616 | (function(module, exports, __w_pdfjs_require__) {
|
3617 |
|
3618 | "use strict";
|
3619 |
|
3620 |
|
3621 | Object.defineProperty(exports, "__esModule", {
|
3622 | value: true
|
3623 | });
|
3624 | exports.getCharacterType = getCharacterType;
|
3625 | exports.CharacterType = void 0;
|
3626 | const CharacterType = {
|
3627 | SPACE: 0,
|
3628 | ALPHA_LETTER: 1,
|
3629 | PUNCT: 2,
|
3630 | HAN_LETTER: 3,
|
3631 | KATAKANA_LETTER: 4,
|
3632 | HIRAGANA_LETTER: 5,
|
3633 | HALFWIDTH_KATAKANA_LETTER: 6,
|
3634 | THAI_LETTER: 7
|
3635 | };
|
3636 | exports.CharacterType = CharacterType;
|
3637 |
|
3638 | function isAlphabeticalScript(charCode) {
|
3639 | return charCode < 0x2e80;
|
3640 | }
|
3641 |
|
3642 | function isAscii(charCode) {
|
3643 | return (charCode & 0xff80) === 0;
|
3644 | }
|
3645 |
|
3646 | function isAsciiAlpha(charCode) {
|
3647 | return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
|
3648 | }
|
3649 |
|
3650 | function isAsciiDigit(charCode) {
|
3651 | return charCode >= 0x30 && charCode <= 0x39;
|
3652 | }
|
3653 |
|
3654 | function isAsciiSpace(charCode) {
|
3655 | return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
|
3656 | }
|
3657 |
|
3658 | function isHan(charCode) {
|
3659 | return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
|
3660 | }
|
3661 |
|
3662 | function isKatakana(charCode) {
|
3663 | return charCode >= 0x30a0 && charCode <= 0x30ff;
|
3664 | }
|
3665 |
|
3666 | function isHiragana(charCode) {
|
3667 | return charCode >= 0x3040 && charCode <= 0x309f;
|
3668 | }
|
3669 |
|
3670 | function isHalfwidthKatakana(charCode) {
|
3671 | return charCode >= 0xff60 && charCode <= 0xff9f;
|
3672 | }
|
3673 |
|
3674 | function isThai(charCode) {
|
3675 | return (charCode & 0xff80) === 0x0e00;
|
3676 | }
|
3677 |
|
3678 | function getCharacterType(charCode) {
|
3679 | if (isAlphabeticalScript(charCode)) {
|
3680 | if (isAscii(charCode)) {
|
3681 | if (isAsciiSpace(charCode)) {
|
3682 | return CharacterType.SPACE;
|
3683 | } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
|
3684 | return CharacterType.ALPHA_LETTER;
|
3685 | }
|
3686 |
|
3687 | return CharacterType.PUNCT;
|
3688 | } else if (isThai(charCode)) {
|
3689 | return CharacterType.THAI_LETTER;
|
3690 | } else if (charCode === 0xa0) {
|
3691 | return CharacterType.SPACE;
|
3692 | }
|
3693 |
|
3694 | return CharacterType.ALPHA_LETTER;
|
3695 | }
|
3696 |
|
3697 | if (isHan(charCode)) {
|
3698 | return CharacterType.HAN_LETTER;
|
3699 | } else if (isKatakana(charCode)) {
|
3700 | return CharacterType.KATAKANA_LETTER;
|
3701 | } else if (isHiragana(charCode)) {
|
3702 | return CharacterType.HIRAGANA_LETTER;
|
3703 | } else if (isHalfwidthKatakana(charCode)) {
|
3704 | return CharacterType.HALFWIDTH_KATAKANA_LETTER;
|
3705 | }
|
3706 |
|
3707 | return CharacterType.ALPHA_LETTER;
|
3708 | }
|
3709 |
|
3710 | }),
|
3711 |
|
3712 | (function(module, exports, __w_pdfjs_require__) {
|
3713 |
|
3714 | "use strict";
|
3715 |
|
3716 |
|
3717 | Object.defineProperty(exports, "__esModule", {
|
3718 | value: true
|
3719 | });
|
3720 | exports.isDestHashesEqual = isDestHashesEqual;
|
3721 | exports.isDestArraysEqual = isDestArraysEqual;
|
3722 | exports.PDFHistory = void 0;
|
3723 |
|
3724 | var _ui_utils = __w_pdfjs_require__(3);
|
3725 |
|
3726 | const HASH_CHANGE_TIMEOUT = 1000;
|
3727 | const POSITION_UPDATED_THRESHOLD = 50;
|
3728 | const UPDATE_VIEWAREA_TIMEOUT = 1000;
|
3729 |
|
3730 | function getCurrentHash() {
|
3731 | return document.location.hash;
|
3732 | }
|
3733 |
|
3734 | class PDFHistory {
|
3735 | constructor({
|
3736 | linkService,
|
3737 | eventBus
|
3738 | }) {
|
3739 | this.linkService = linkService;
|
3740 | this.eventBus = eventBus;
|
3741 | this._initialized = false;
|
3742 | this._fingerprint = "";
|
3743 | this.reset();
|
3744 | this._boundEvents = null;
|
3745 | this._isViewerInPresentationMode = false;
|
3746 |
|
3747 | this.eventBus._on("presentationmodechanged", evt => {
|
3748 | this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
|
3749 | });
|
3750 |
|
3751 | this.eventBus._on("pagesinit", () => {
|
3752 | this._isPagesLoaded = false;
|
3753 |
|
3754 | const onPagesLoaded = evt => {
|
3755 | this.eventBus._off("pagesloaded", onPagesLoaded);
|
3756 |
|
3757 | this._isPagesLoaded = !!evt.pagesCount;
|
3758 | };
|
3759 |
|
3760 | this.eventBus._on("pagesloaded", onPagesLoaded);
|
3761 | });
|
3762 | }
|
3763 |
|
3764 | initialize({
|
3765 | fingerprint,
|
3766 | resetHistory = false,
|
3767 | updateUrl = false
|
3768 | }) {
|
3769 | if (!fingerprint || typeof fingerprint !== "string") {
|
3770 | console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
|
3771 | return;
|
3772 | }
|
3773 |
|
3774 | if (this._initialized) {
|
3775 | this.reset();
|
3776 | }
|
3777 |
|
3778 | const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
|
3779 | this._fingerprint = fingerprint;
|
3780 | this._updateUrl = updateUrl === true;
|
3781 | this._initialized = true;
|
3782 |
|
3783 | this._bindEvents();
|
3784 |
|
3785 | const state = window.history.state;
|
3786 | this._popStateInProgress = false;
|
3787 | this._blockHashChange = 0;
|
3788 | this._currentHash = getCurrentHash();
|
3789 | this._numPositionUpdates = 0;
|
3790 | this._uid = this._maxUid = 0;
|
3791 | this._destination = null;
|
3792 | this._position = null;
|
3793 |
|
3794 | if (!this._isValidState(state, true) || resetHistory) {
|
3795 | const {
|
3796 | hash,
|
3797 | page,
|
3798 | rotation
|
3799 | } = this._parseCurrentHash(true);
|
3800 |
|
3801 | if (!hash || reInitialized || resetHistory) {
|
3802 | this._pushOrReplaceState(null, true);
|
3803 |
|
3804 | return;
|
3805 | }
|
3806 |
|
3807 | this._pushOrReplaceState({
|
3808 | hash,
|
3809 | page,
|
3810 | rotation
|
3811 | }, true);
|
3812 |
|
3813 | return;
|
3814 | }
|
3815 |
|
3816 | const destination = state.destination;
|
3817 |
|
3818 | this._updateInternalState(destination, state.uid, true);
|
3819 |
|
3820 | if (this._uid > this._maxUid) {
|
3821 | this._maxUid = this._uid;
|
3822 | }
|
3823 |
|
3824 | if (destination.rotation !== undefined) {
|
3825 | this._initialRotation = destination.rotation;
|
3826 | }
|
3827 |
|
3828 | if (destination.dest) {
|
3829 | this._initialBookmark = JSON.stringify(destination.dest);
|
3830 | this._destination.page = null;
|
3831 | } else if (destination.hash) {
|
3832 | this._initialBookmark = destination.hash;
|
3833 | } else if (destination.page) {
|
3834 | this._initialBookmark = `page=${destination.page}`;
|
3835 | }
|
3836 | }
|
3837 |
|
3838 | reset() {
|
3839 | if (this._initialized) {
|
3840 | this._pageHide();
|
3841 |
|
3842 | this._initialized = false;
|
3843 |
|
3844 | this._unbindEvents();
|
3845 | }
|
3846 |
|
3847 | if (this._updateViewareaTimeout) {
|
3848 | clearTimeout(this._updateViewareaTimeout);
|
3849 | this._updateViewareaTimeout = null;
|
3850 | }
|
3851 |
|
3852 | this._initialBookmark = null;
|
3853 | this._initialRotation = null;
|
3854 | }
|
3855 |
|
3856 | push({
|
3857 | namedDest = null,
|
3858 | explicitDest,
|
3859 | pageNumber
|
3860 | }) {
|
3861 | if (!this._initialized) {
|
3862 | return;
|
3863 | }
|
3864 |
|
3865 | if (namedDest && typeof namedDest !== "string") {
|
3866 | console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
|
3867 | return;
|
3868 | } else if (!Array.isArray(explicitDest)) {
|
3869 | console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
|
3870 | return;
|
3871 | } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
|
3872 | if (pageNumber !== null || this._destination) {
|
3873 | console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
|
3874 | return;
|
3875 | }
|
3876 | }
|
3877 |
|
3878 | const hash = namedDest || JSON.stringify(explicitDest);
|
3879 |
|
3880 | if (!hash) {
|
3881 | return;
|
3882 | }
|
3883 |
|
3884 | let forceReplace = false;
|
3885 |
|
3886 | if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
|
3887 | if (this._destination.page) {
|
3888 | return;
|
3889 | }
|
3890 |
|
3891 | forceReplace = true;
|
3892 | }
|
3893 |
|
3894 | if (this._popStateInProgress && !forceReplace) {
|
3895 | return;
|
3896 | }
|
3897 |
|
3898 | this._pushOrReplaceState({
|
3899 | dest: explicitDest,
|
3900 | hash,
|
3901 | page: pageNumber,
|
3902 | rotation: this.linkService.rotation
|
3903 | }, forceReplace);
|
3904 |
|
3905 | if (!this._popStateInProgress) {
|
3906 | this._popStateInProgress = true;
|
3907 | Promise.resolve().then(() => {
|
3908 | this._popStateInProgress = false;
|
3909 | });
|
3910 | }
|
3911 | }
|
3912 |
|
3913 | pushCurrentPosition() {
|
3914 | if (!this._initialized || this._popStateInProgress) {
|
3915 | return;
|
3916 | }
|
3917 |
|
3918 | this._tryPushCurrentPosition();
|
3919 | }
|
3920 |
|
3921 | back() {
|
3922 | if (!this._initialized || this._popStateInProgress) {
|
3923 | return;
|
3924 | }
|
3925 |
|
3926 | const state = window.history.state;
|
3927 |
|
3928 | if (this._isValidState(state) && state.uid > 0) {
|
3929 | window.history.back();
|
3930 | }
|
3931 | }
|
3932 |
|
3933 | forward() {
|
3934 | if (!this._initialized || this._popStateInProgress) {
|
3935 | return;
|
3936 | }
|
3937 |
|
3938 | const state = window.history.state;
|
3939 |
|
3940 | if (this._isValidState(state) && state.uid < this._maxUid) {
|
3941 | window.history.forward();
|
3942 | }
|
3943 | }
|
3944 |
|
3945 | get popStateInProgress() {
|
3946 | return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
|
3947 | }
|
3948 |
|
3949 | get initialBookmark() {
|
3950 | return this._initialized ? this._initialBookmark : null;
|
3951 | }
|
3952 |
|
3953 | get initialRotation() {
|
3954 | return this._initialized ? this._initialRotation : null;
|
3955 | }
|
3956 |
|
3957 | _pushOrReplaceState(destination, forceReplace = false) {
|
3958 | const shouldReplace = forceReplace || !this._destination;
|
3959 | const newState = {
|
3960 | fingerprint: this._fingerprint,
|
3961 | uid: shouldReplace ? this._uid : this._uid + 1,
|
3962 | destination
|
3963 | };
|
3964 |
|
3965 | this._updateInternalState(destination, newState.uid);
|
3966 |
|
3967 | let newUrl;
|
3968 |
|
3969 | if (this._updateUrl && destination && destination.hash) {
|
3970 | const baseUrl = document.location.href.split("#")[0];
|
3971 |
|
3972 | if (!baseUrl.startsWith("file://")) {
|
3973 | newUrl = `${baseUrl}#${destination.hash}`;
|
3974 | }
|
3975 | }
|
3976 |
|
3977 | if (shouldReplace) {
|
3978 | window.history.replaceState(newState, "", newUrl);
|
3979 | } else {
|
3980 | this._maxUid = this._uid;
|
3981 | window.history.pushState(newState, "", newUrl);
|
3982 | }
|
3983 | }
|
3984 |
|
3985 | _tryPushCurrentPosition(temporary = false) {
|
3986 | if (!this._position) {
|
3987 | return;
|
3988 | }
|
3989 |
|
3990 | let position = this._position;
|
3991 |
|
3992 | if (temporary) {
|
3993 | position = Object.assign(Object.create(null), this._position);
|
3994 | position.temporary = true;
|
3995 | }
|
3996 |
|
3997 | if (!this._destination) {
|
3998 | this._pushOrReplaceState(position);
|
3999 |
|
4000 | return;
|
4001 | }
|
4002 |
|
4003 | if (this._destination.temporary) {
|
4004 | this._pushOrReplaceState(position, true);
|
4005 |
|
4006 | return;
|
4007 | }
|
4008 |
|
4009 | if (this._destination.hash === position.hash) {
|
4010 | return;
|
4011 | }
|
4012 |
|
4013 | if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
|
4014 | return;
|
4015 | }
|
4016 |
|
4017 | let forceReplace = false;
|
4018 |
|
4019 | if (this._destination.page >= position.first && this._destination.page <= position.page) {
|
4020 | if (this._destination.dest || !this._destination.first) {
|
4021 | return;
|
4022 | }
|
4023 |
|
4024 | forceReplace = true;
|
4025 | }
|
4026 |
|
4027 | this._pushOrReplaceState(position, forceReplace);
|
4028 | }
|
4029 |
|
4030 | _isValidState(state, checkReload = false) {
|
4031 | if (!state) {
|
4032 | return false;
|
4033 | }
|
4034 |
|
4035 | if (state.fingerprint !== this._fingerprint) {
|
4036 | if (checkReload) {
|
4037 | if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
|
4038 | return false;
|
4039 | }
|
4040 |
|
4041 | const [perfEntry] = performance.getEntriesByType("navigation");
|
4042 |
|
4043 | if (!perfEntry || perfEntry.type !== "reload") {
|
4044 | return false;
|
4045 | }
|
4046 | } else {
|
4047 | return false;
|
4048 | }
|
4049 | }
|
4050 |
|
4051 | if (!Number.isInteger(state.uid) || state.uid < 0) {
|
4052 | return false;
|
4053 | }
|
4054 |
|
4055 | if (state.destination === null || typeof state.destination !== "object") {
|
4056 | return false;
|
4057 | }
|
4058 |
|
4059 | return true;
|
4060 | }
|
4061 |
|
4062 | _updateInternalState(destination, uid, removeTemporary = false) {
|
4063 | if (this._updateViewareaTimeout) {
|
4064 | clearTimeout(this._updateViewareaTimeout);
|
4065 | this._updateViewareaTimeout = null;
|
4066 | }
|
4067 |
|
4068 | if (removeTemporary && destination && destination.temporary) {
|
4069 | delete destination.temporary;
|
4070 | }
|
4071 |
|
4072 | this._destination = destination;
|
4073 | this._uid = uid;
|
4074 | this._numPositionUpdates = 0;
|
4075 | }
|
4076 |
|
4077 | _parseCurrentHash(checkNameddest = false) {
|
4078 | const hash = unescape(getCurrentHash()).substring(1);
|
4079 | const params = (0, _ui_utils.parseQueryString)(hash);
|
4080 | const nameddest = params.nameddest || "";
|
4081 | let page = params.page | 0;
|
4082 |
|
4083 | if (!(Number.isInteger(page) && page > 0 && page <= this.linkService.pagesCount) || checkNameddest && nameddest.length > 0) {
|
4084 | page = null;
|
4085 | }
|
4086 |
|
4087 | return {
|
4088 | hash,
|
4089 | page,
|
4090 | rotation: this.linkService.rotation
|
4091 | };
|
4092 | }
|
4093 |
|
4094 | _updateViewarea({
|
4095 | location
|
4096 | }) {
|
4097 | if (this._updateViewareaTimeout) {
|
4098 | clearTimeout(this._updateViewareaTimeout);
|
4099 | this._updateViewareaTimeout = null;
|
4100 | }
|
4101 |
|
4102 | this._position = {
|
4103 | hash: this._isViewerInPresentationMode ? `page=${location.pageNumber}` : location.pdfOpenParams.substring(1),
|
4104 | page: this.linkService.page,
|
4105 | first: location.pageNumber,
|
4106 | rotation: location.rotation
|
4107 | };
|
4108 |
|
4109 | if (this._popStateInProgress) {
|
4110 | return;
|
4111 | }
|
4112 |
|
4113 | if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
|
4114 | this._numPositionUpdates++;
|
4115 | }
|
4116 |
|
4117 | if (UPDATE_VIEWAREA_TIMEOUT > 0) {
|
4118 | this._updateViewareaTimeout = setTimeout(() => {
|
4119 | if (!this._popStateInProgress) {
|
4120 | this._tryPushCurrentPosition(true);
|
4121 | }
|
4122 |
|
4123 | this._updateViewareaTimeout = null;
|
4124 | }, UPDATE_VIEWAREA_TIMEOUT);
|
4125 | }
|
4126 | }
|
4127 |
|
4128 | _popState({
|
4129 | state
|
4130 | }) {
|
4131 | const newHash = getCurrentHash(),
|
4132 | hashChanged = this._currentHash !== newHash;
|
4133 | this._currentHash = newHash;
|
4134 |
|
4135 | if (!state) {
|
4136 | this._uid++;
|
4137 |
|
4138 | const {
|
4139 | hash,
|
4140 | page,
|
4141 | rotation
|
4142 | } = this._parseCurrentHash();
|
4143 |
|
4144 | this._pushOrReplaceState({
|
4145 | hash,
|
4146 | page,
|
4147 | rotation
|
4148 | }, true);
|
4149 |
|
4150 | return;
|
4151 | }
|
4152 |
|
4153 | if (!this._isValidState(state)) {
|
4154 | return;
|
4155 | }
|
4156 |
|
4157 | this._popStateInProgress = true;
|
4158 |
|
4159 | if (hashChanged) {
|
4160 | this._blockHashChange++;
|
4161 | (0, _ui_utils.waitOnEventOrTimeout)({
|
4162 | target: window,
|
4163 | name: "hashchange",
|
4164 | delay: HASH_CHANGE_TIMEOUT
|
4165 | }).then(() => {
|
4166 | this._blockHashChange--;
|
4167 | });
|
4168 | }
|
4169 |
|
4170 | const destination = state.destination;
|
4171 |
|
4172 | this._updateInternalState(destination, state.uid, true);
|
4173 |
|
4174 | if (this._uid > this._maxUid) {
|
4175 | this._maxUid = this._uid;
|
4176 | }
|
4177 |
|
4178 | if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
|
4179 | this.linkService.rotation = destination.rotation;
|
4180 | }
|
4181 |
|
4182 | if (destination.dest) {
|
4183 | this.linkService.navigateTo(destination.dest);
|
4184 | } else if (destination.hash) {
|
4185 | this.linkService.setHash(destination.hash);
|
4186 | } else if (destination.page) {
|
4187 | this.linkService.page = destination.page;
|
4188 | }
|
4189 |
|
4190 | Promise.resolve().then(() => {
|
4191 | this._popStateInProgress = false;
|
4192 | });
|
4193 | }
|
4194 |
|
4195 | _pageHide() {
|
4196 | if (!this._destination || this._destination.temporary) {
|
4197 | this._tryPushCurrentPosition();
|
4198 | }
|
4199 | }
|
4200 |
|
4201 | _bindEvents() {
|
4202 | if (this._boundEvents) {
|
4203 | return;
|
4204 | }
|
4205 |
|
4206 | this._boundEvents = {
|
4207 | updateViewarea: this._updateViewarea.bind(this),
|
4208 | popState: this._popState.bind(this),
|
4209 | pageHide: this._pageHide.bind(this)
|
4210 | };
|
4211 |
|
4212 | this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
|
4213 |
|
4214 | window.addEventListener("popstate", this._boundEvents.popState);
|
4215 | window.addEventListener("pagehide", this._boundEvents.pageHide);
|
4216 | }
|
4217 |
|
4218 | _unbindEvents() {
|
4219 | if (!this._boundEvents) {
|
4220 | return;
|
4221 | }
|
4222 |
|
4223 | this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
|
4224 |
|
4225 | window.removeEventListener("popstate", this._boundEvents.popState);
|
4226 | window.removeEventListener("pagehide", this._boundEvents.pageHide);
|
4227 | this._boundEvents = null;
|
4228 | }
|
4229 |
|
4230 | }
|
4231 |
|
4232 | exports.PDFHistory = PDFHistory;
|
4233 |
|
4234 | function isDestHashesEqual(destHash, pushHash) {
|
4235 | if (typeof destHash !== "string" || typeof pushHash !== "string") {
|
4236 | return false;
|
4237 | }
|
4238 |
|
4239 | if (destHash === pushHash) {
|
4240 | return true;
|
4241 | }
|
4242 |
|
4243 | const {
|
4244 | nameddest
|
4245 | } = (0, _ui_utils.parseQueryString)(destHash);
|
4246 |
|
4247 | if (nameddest === pushHash) {
|
4248 | return true;
|
4249 | }
|
4250 |
|
4251 | return false;
|
4252 | }
|
4253 |
|
4254 | function isDestArraysEqual(firstDest, secondDest) {
|
4255 | function isEntryEqual(first, second) {
|
4256 | if (typeof first !== typeof second) {
|
4257 | return false;
|
4258 | }
|
4259 |
|
4260 | if (Array.isArray(first) || Array.isArray(second)) {
|
4261 | return false;
|
4262 | }
|
4263 |
|
4264 | if (first !== null && typeof first === "object" && second !== null) {
|
4265 | if (Object.keys(first).length !== Object.keys(second).length) {
|
4266 | return false;
|
4267 | }
|
4268 |
|
4269 | for (const key in first) {
|
4270 | if (!isEntryEqual(first[key], second[key])) {
|
4271 | return false;
|
4272 | }
|
4273 | }
|
4274 |
|
4275 | return true;
|
4276 | }
|
4277 |
|
4278 | return first === second || Number.isNaN(first) && Number.isNaN(second);
|
4279 | }
|
4280 |
|
4281 | if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
|
4282 | return false;
|
4283 | }
|
4284 |
|
4285 | if (firstDest.length !== secondDest.length) {
|
4286 | return false;
|
4287 | }
|
4288 |
|
4289 | for (let i = 0, ii = firstDest.length; i < ii; i++) {
|
4290 | if (!isEntryEqual(firstDest[i], secondDest[i])) {
|
4291 | return false;
|
4292 | }
|
4293 | }
|
4294 |
|
4295 | return true;
|
4296 | }
|
4297 |
|
4298 | }),
|
4299 |
|
4300 | (function(module, exports, __w_pdfjs_require__) {
|
4301 |
|
4302 | "use strict";
|
4303 |
|
4304 |
|
4305 | Object.defineProperty(exports, "__esModule", {
|
4306 | value: true
|
4307 | });
|
4308 | exports.PDFPageView = void 0;
|
4309 |
|
4310 | var _ui_utils = __w_pdfjs_require__(3);
|
4311 |
|
4312 | var _pdfjsLib = __w_pdfjs_require__(2);
|
4313 |
|
4314 | var _pdf_rendering_queue = __w_pdfjs_require__(14);
|
4315 |
|
4316 | var _viewer_compatibility = __w_pdfjs_require__(7);
|
4317 |
|
4318 | const MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
|
4319 |
|
4320 | class PDFPageView {
|
4321 | constructor(options) {
|
4322 | const container = options.container;
|
4323 | const defaultViewport = options.defaultViewport;
|
4324 | this.id = options.id;
|
4325 | this.renderingId = "page" + this.id;
|
4326 | this.pdfPage = null;
|
4327 | this.pageLabel = null;
|
4328 | this.rotation = 0;
|
4329 | this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
|
4330 | this.viewport = defaultViewport;
|
4331 | this.pdfPageRotate = defaultViewport.rotation;
|
4332 | this.hasRestrictedScaling = false;
|
4333 | this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
|
4334 | this.imageResourcesPath = options.imageResourcesPath || "";
|
4335 | this.renderInteractiveForms = options.renderInteractiveForms || false;
|
4336 | this.useOnlyCssZoom = options.useOnlyCssZoom || false;
|
4337 | this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
|
4338 | this.eventBus = options.eventBus;
|
4339 | this.renderingQueue = options.renderingQueue;
|
4340 | this.textLayerFactory = options.textLayerFactory;
|
4341 | this.annotationLayerFactory = options.annotationLayerFactory;
|
4342 | this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
|
4343 | this.enableWebGL = options.enableWebGL || false;
|
4344 | this.l10n = options.l10n || _ui_utils.NullL10n;
|
4345 | this.paintTask = null;
|
4346 | this.paintedViewportMap = new WeakMap();
|
4347 | this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
|
4348 | this.resume = null;
|
4349 | this.error = null;
|
4350 | this.annotationLayer = null;
|
4351 | this.textLayer = null;
|
4352 | this.zoomLayer = null;
|
4353 | const div = document.createElement("div");
|
4354 | div.className = "page";
|
4355 | div.style.width = Math.floor(this.viewport.width) + "px";
|
4356 | div.style.height = Math.floor(this.viewport.height) + "px";
|
4357 | div.setAttribute("data-page-number", this.id);
|
4358 | this.div = div;
|
4359 | container.appendChild(div);
|
4360 | }
|
4361 |
|
4362 | setPdfPage(pdfPage) {
|
4363 | this.pdfPage = pdfPage;
|
4364 | this.pdfPageRotate = pdfPage.rotate;
|
4365 | const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
4366 | this.viewport = pdfPage.getViewport({
|
4367 | scale: this.scale * _ui_utils.CSS_UNITS,
|
4368 | rotation: totalRotation
|
4369 | });
|
4370 | this.stats = pdfPage.stats;
|
4371 | this.reset();
|
4372 | }
|
4373 |
|
4374 | destroy() {
|
4375 | this.reset();
|
4376 |
|
4377 | if (this.pdfPage) {
|
4378 | this.pdfPage.cleanup();
|
4379 | }
|
4380 | }
|
4381 |
|
4382 | _resetZoomLayer(removeFromDOM = false) {
|
4383 | if (!this.zoomLayer) {
|
4384 | return;
|
4385 | }
|
4386 |
|
4387 | const zoomLayerCanvas = this.zoomLayer.firstChild;
|
4388 | this.paintedViewportMap.delete(zoomLayerCanvas);
|
4389 | zoomLayerCanvas.width = 0;
|
4390 | zoomLayerCanvas.height = 0;
|
4391 |
|
4392 | if (removeFromDOM) {
|
4393 | this.zoomLayer.remove();
|
4394 | }
|
4395 |
|
4396 | this.zoomLayer = null;
|
4397 | }
|
4398 |
|
4399 | reset(keepZoomLayer = false, keepAnnotations = false) {
|
4400 | this.cancelRendering(keepAnnotations);
|
4401 | this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
|
4402 | const div = this.div;
|
4403 | div.style.width = Math.floor(this.viewport.width) + "px";
|
4404 | div.style.height = Math.floor(this.viewport.height) + "px";
|
4405 | const childNodes = div.childNodes;
|
4406 | const currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
|
4407 | const currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
|
4408 |
|
4409 | for (let i = childNodes.length - 1; i >= 0; i--) {
|
4410 | const node = childNodes[i];
|
4411 |
|
4412 | if (currentZoomLayerNode === node || currentAnnotationNode === node) {
|
4413 | continue;
|
4414 | }
|
4415 |
|
4416 | div.removeChild(node);
|
4417 | }
|
4418 |
|
4419 | div.removeAttribute("data-loaded");
|
4420 |
|
4421 | if (currentAnnotationNode) {
|
4422 | this.annotationLayer.hide();
|
4423 | } else if (this.annotationLayer) {
|
4424 | this.annotationLayer.cancel();
|
4425 | this.annotationLayer = null;
|
4426 | }
|
4427 |
|
4428 | if (!currentZoomLayerNode) {
|
4429 | if (this.canvas) {
|
4430 | this.paintedViewportMap.delete(this.canvas);
|
4431 | this.canvas.width = 0;
|
4432 | this.canvas.height = 0;
|
4433 | delete this.canvas;
|
4434 | }
|
4435 |
|
4436 | this._resetZoomLayer();
|
4437 | }
|
4438 |
|
4439 | if (this.svg) {
|
4440 | this.paintedViewportMap.delete(this.svg);
|
4441 | delete this.svg;
|
4442 | }
|
4443 |
|
4444 | this.loadingIconDiv = document.createElement("div");
|
4445 | this.loadingIconDiv.className = "loadingIcon";
|
4446 | div.appendChild(this.loadingIconDiv);
|
4447 | }
|
4448 |
|
4449 | update(scale, rotation) {
|
4450 | this.scale = scale || this.scale;
|
4451 |
|
4452 | if (typeof rotation !== "undefined") {
|
4453 | this.rotation = rotation;
|
4454 | }
|
4455 |
|
4456 | const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
4457 | this.viewport = this.viewport.clone({
|
4458 | scale: this.scale * _ui_utils.CSS_UNITS,
|
4459 | rotation: totalRotation
|
4460 | });
|
4461 |
|
4462 | if (this.svg) {
|
4463 | this.cssTransform(this.svg, true);
|
4464 | this.eventBus.dispatch("pagerendered", {
|
4465 | source: this,
|
4466 | pageNumber: this.id,
|
4467 | cssTransform: true,
|
4468 | timestamp: performance.now()
|
4469 | });
|
4470 | return;
|
4471 | }
|
4472 |
|
4473 | let isScalingRestricted = false;
|
4474 |
|
4475 | if (this.canvas && this.maxCanvasPixels > 0) {
|
4476 | const outputScale = this.outputScale;
|
4477 |
|
4478 | if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
|
4479 | isScalingRestricted = true;
|
4480 | }
|
4481 | }
|
4482 |
|
4483 | if (this.canvas) {
|
4484 | if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
|
4485 | this.cssTransform(this.canvas, true);
|
4486 | this.eventBus.dispatch("pagerendered", {
|
4487 | source: this,
|
4488 | pageNumber: this.id,
|
4489 | cssTransform: true,
|
4490 | timestamp: performance.now()
|
4491 | });
|
4492 | return;
|
4493 | }
|
4494 |
|
4495 | if (!this.zoomLayer && !this.canvas.hasAttribute("hidden")) {
|
4496 | this.zoomLayer = this.canvas.parentNode;
|
4497 | this.zoomLayer.style.position = "absolute";
|
4498 | }
|
4499 | }
|
4500 |
|
4501 | if (this.zoomLayer) {
|
4502 | this.cssTransform(this.zoomLayer.firstChild);
|
4503 | }
|
4504 |
|
4505 | this.reset(true, true);
|
4506 | }
|
4507 |
|
4508 | cancelRendering(keepAnnotations = false) {
|
4509 | if (this.paintTask) {
|
4510 | this.paintTask.cancel();
|
4511 | this.paintTask = null;
|
4512 | }
|
4513 |
|
4514 | this.resume = null;
|
4515 |
|
4516 | if (this.textLayer) {
|
4517 | this.textLayer.cancel();
|
4518 | this.textLayer = null;
|
4519 | }
|
4520 |
|
4521 | if (!keepAnnotations && this.annotationLayer) {
|
4522 | this.annotationLayer.cancel();
|
4523 | this.annotationLayer = null;
|
4524 | }
|
4525 | }
|
4526 |
|
4527 | cssTransform(target, redrawAnnotations = false) {
|
4528 | const width = this.viewport.width;
|
4529 | const height = this.viewport.height;
|
4530 | const div = this.div;
|
4531 | target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + "px";
|
4532 | target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + "px";
|
4533 | const relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
|
4534 | const absRotation = Math.abs(relativeRotation);
|
4535 | let scaleX = 1,
|
4536 | scaleY = 1;
|
4537 |
|
4538 | if (absRotation === 90 || absRotation === 270) {
|
4539 | scaleX = height / width;
|
4540 | scaleY = width / height;
|
4541 | }
|
4542 |
|
4543 | const cssTransform = "rotate(" + relativeRotation + "deg) " + "scale(" + scaleX + "," + scaleY + ")";
|
4544 | target.style.transform = cssTransform;
|
4545 |
|
4546 | if (this.textLayer) {
|
4547 | const textLayerViewport = this.textLayer.viewport;
|
4548 | const textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
|
4549 | const textAbsRotation = Math.abs(textRelativeRotation);
|
4550 | let scale = width / textLayerViewport.width;
|
4551 |
|
4552 | if (textAbsRotation === 90 || textAbsRotation === 270) {
|
4553 | scale = width / textLayerViewport.height;
|
4554 | }
|
4555 |
|
4556 | const textLayerDiv = this.textLayer.textLayerDiv;
|
4557 | let transX, transY;
|
4558 |
|
4559 | switch (textAbsRotation) {
|
4560 | case 0:
|
4561 | transX = transY = 0;
|
4562 | break;
|
4563 |
|
4564 | case 90:
|
4565 | transX = 0;
|
4566 | transY = "-" + textLayerDiv.style.height;
|
4567 | break;
|
4568 |
|
4569 | case 180:
|
4570 | transX = "-" + textLayerDiv.style.width;
|
4571 | transY = "-" + textLayerDiv.style.height;
|
4572 | break;
|
4573 |
|
4574 | case 270:
|
4575 | transX = "-" + textLayerDiv.style.width;
|
4576 | transY = 0;
|
4577 | break;
|
4578 |
|
4579 | default:
|
4580 | console.error("Bad rotation value.");
|
4581 | break;
|
4582 | }
|
4583 |
|
4584 | textLayerDiv.style.transform = "rotate(" + textAbsRotation + "deg) " + "scale(" + scale + ", " + scale + ") " + "translate(" + transX + ", " + transY + ")";
|
4585 | textLayerDiv.style.transformOrigin = "0% 0%";
|
4586 | }
|
4587 |
|
4588 | if (redrawAnnotations && this.annotationLayer) {
|
4589 | this.annotationLayer.render(this.viewport, "display");
|
4590 | }
|
4591 | }
|
4592 |
|
4593 | get width() {
|
4594 | return this.viewport.width;
|
4595 | }
|
4596 |
|
4597 | get height() {
|
4598 | return this.viewport.height;
|
4599 | }
|
4600 |
|
4601 | getPagePoint(x, y) {
|
4602 | return this.viewport.convertToPdfPoint(x, y);
|
4603 | }
|
4604 |
|
4605 | draw() {
|
4606 | if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
|
4607 | console.error("Must be in new state before drawing");
|
4608 | this.reset();
|
4609 | }
|
4610 |
|
4611 | const {
|
4612 | div,
|
4613 | pdfPage
|
4614 | } = this;
|
4615 |
|
4616 | if (!pdfPage) {
|
4617 | this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
|
4618 |
|
4619 | if (this.loadingIconDiv) {
|
4620 | div.removeChild(this.loadingIconDiv);
|
4621 | delete this.loadingIconDiv;
|
4622 | }
|
4623 |
|
4624 | return Promise.reject(new Error("pdfPage is not loaded"));
|
4625 | }
|
4626 |
|
4627 | this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
|
4628 | const canvasWrapper = document.createElement("div");
|
4629 | canvasWrapper.style.width = div.style.width;
|
4630 | canvasWrapper.style.height = div.style.height;
|
4631 | canvasWrapper.classList.add("canvasWrapper");
|
4632 |
|
4633 | if (this.annotationLayer && this.annotationLayer.div) {
|
4634 | div.insertBefore(canvasWrapper, this.annotationLayer.div);
|
4635 | } else {
|
4636 | div.appendChild(canvasWrapper);
|
4637 | }
|
4638 |
|
4639 | let textLayer = null;
|
4640 |
|
4641 | if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
|
4642 | const textLayerDiv = document.createElement("div");
|
4643 | textLayerDiv.className = "textLayer";
|
4644 | textLayerDiv.style.width = canvasWrapper.style.width;
|
4645 | textLayerDiv.style.height = canvasWrapper.style.height;
|
4646 |
|
4647 | if (this.annotationLayer && this.annotationLayer.div) {
|
4648 | div.insertBefore(textLayerDiv, this.annotationLayer.div);
|
4649 | } else {
|
4650 | div.appendChild(textLayerDiv);
|
4651 | }
|
4652 |
|
4653 | textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus);
|
4654 | }
|
4655 |
|
4656 | this.textLayer = textLayer;
|
4657 | let renderContinueCallback = null;
|
4658 |
|
4659 | if (this.renderingQueue) {
|
4660 | renderContinueCallback = cont => {
|
4661 | if (!this.renderingQueue.isHighestPriority(this)) {
|
4662 | this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
|
4663 |
|
4664 | this.resume = () => {
|
4665 | this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
|
4666 | cont();
|
4667 | };
|
4668 |
|
4669 | return;
|
4670 | }
|
4671 |
|
4672 | cont();
|
4673 | };
|
4674 | }
|
4675 |
|
4676 | const finishPaintTask = async error => {
|
4677 | if (paintTask === this.paintTask) {
|
4678 | this.paintTask = null;
|
4679 | }
|
4680 |
|
4681 | if (error instanceof _pdfjsLib.RenderingCancelledException) {
|
4682 | this.error = null;
|
4683 | return;
|
4684 | }
|
4685 |
|
4686 | this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
|
4687 |
|
4688 | if (this.loadingIconDiv) {
|
4689 | div.removeChild(this.loadingIconDiv);
|
4690 | delete this.loadingIconDiv;
|
4691 | }
|
4692 |
|
4693 | this._resetZoomLayer(true);
|
4694 |
|
4695 | this.error = error;
|
4696 | this.stats = pdfPage.stats;
|
4697 | this.eventBus.dispatch("pagerendered", {
|
4698 | source: this,
|
4699 | pageNumber: this.id,
|
4700 | cssTransform: false,
|
4701 | timestamp: performance.now()
|
4702 | });
|
4703 |
|
4704 | if (error) {
|
4705 | throw error;
|
4706 | }
|
4707 | };
|
4708 |
|
4709 | const paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
|
4710 | paintTask.onRenderContinue = renderContinueCallback;
|
4711 | this.paintTask = paintTask;
|
4712 | const resultPromise = paintTask.promise.then(function () {
|
4713 | return finishPaintTask(null).then(function () {
|
4714 | if (textLayer) {
|
4715 | const readableStream = pdfPage.streamTextContent({
|
4716 | normalizeWhitespace: true
|
4717 | });
|
4718 | textLayer.setTextContentStream(readableStream);
|
4719 | textLayer.render();
|
4720 | }
|
4721 | });
|
4722 | }, function (reason) {
|
4723 | return finishPaintTask(reason);
|
4724 | });
|
4725 |
|
4726 | if (this.annotationLayerFactory) {
|
4727 | if (!this.annotationLayer) {
|
4728 | this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
|
4729 | }
|
4730 |
|
4731 | this.annotationLayer.render(this.viewport, "display");
|
4732 | }
|
4733 |
|
4734 | div.setAttribute("data-loaded", true);
|
4735 | this.eventBus.dispatch("pagerender", {
|
4736 | source: this,
|
4737 | pageNumber: this.id
|
4738 | });
|
4739 | return resultPromise;
|
4740 | }
|
4741 |
|
4742 | paintOnCanvas(canvasWrapper) {
|
4743 | const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
|
4744 | const result = {
|
4745 | promise: renderCapability.promise,
|
4746 |
|
4747 | onRenderContinue(cont) {
|
4748 | cont();
|
4749 | },
|
4750 |
|
4751 | cancel() {
|
4752 | renderTask.cancel();
|
4753 | }
|
4754 |
|
4755 | };
|
4756 | const viewport = this.viewport;
|
4757 | const canvas = document.createElement("canvas");
|
4758 | this.l10n.get("page_canvas", {
|
4759 | page: this.id
|
4760 | }, "Page {{page}}").then(msg => {
|
4761 | canvas.setAttribute("aria-label", msg);
|
4762 | });
|
4763 | canvas.setAttribute("hidden", "hidden");
|
4764 | let isCanvasHidden = true;
|
4765 |
|
4766 | const showCanvas = function () {
|
4767 | if (isCanvasHidden) {
|
4768 | canvas.removeAttribute("hidden");
|
4769 | isCanvasHidden = false;
|
4770 | }
|
4771 | };
|
4772 |
|
4773 | canvasWrapper.appendChild(canvas);
|
4774 | this.canvas = canvas;
|
4775 | canvas.mozOpaque = true;
|
4776 | const ctx = canvas.getContext("2d", {
|
4777 | alpha: false
|
4778 | });
|
4779 | const outputScale = (0, _ui_utils.getOutputScale)(ctx);
|
4780 | this.outputScale = outputScale;
|
4781 |
|
4782 | if (this.useOnlyCssZoom) {
|
4783 | const actualSizeViewport = viewport.clone({
|
4784 | scale: _ui_utils.CSS_UNITS
|
4785 | });
|
4786 | outputScale.sx *= actualSizeViewport.width / viewport.width;
|
4787 | outputScale.sy *= actualSizeViewport.height / viewport.height;
|
4788 | outputScale.scaled = true;
|
4789 | }
|
4790 |
|
4791 | if (this.maxCanvasPixels > 0) {
|
4792 | const pixelsInViewport = viewport.width * viewport.height;
|
4793 | const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
|
4794 |
|
4795 | if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
|
4796 | outputScale.sx = maxScale;
|
4797 | outputScale.sy = maxScale;
|
4798 | outputScale.scaled = true;
|
4799 | this.hasRestrictedScaling = true;
|
4800 | } else {
|
4801 | this.hasRestrictedScaling = false;
|
4802 | }
|
4803 | }
|
4804 |
|
4805 | const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
|
4806 | const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
|
4807 | canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
|
4808 | canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
|
4809 | canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
|
4810 | canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
|
4811 | this.paintedViewportMap.set(canvas, viewport);
|
4812 | const transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
|
4813 | const renderContext = {
|
4814 | canvasContext: ctx,
|
4815 | transform,
|
4816 | viewport: this.viewport,
|
4817 | enableWebGL: this.enableWebGL,
|
4818 | renderInteractiveForms: this.renderInteractiveForms
|
4819 | };
|
4820 | const renderTask = this.pdfPage.render(renderContext);
|
4821 |
|
4822 | renderTask.onContinue = function (cont) {
|
4823 | showCanvas();
|
4824 |
|
4825 | if (result.onRenderContinue) {
|
4826 | result.onRenderContinue(cont);
|
4827 | } else {
|
4828 | cont();
|
4829 | }
|
4830 | };
|
4831 |
|
4832 | renderTask.promise.then(function () {
|
4833 | showCanvas();
|
4834 | renderCapability.resolve(undefined);
|
4835 | }, function (error) {
|
4836 | showCanvas();
|
4837 | renderCapability.reject(error);
|
4838 | });
|
4839 | return result;
|
4840 | }
|
4841 |
|
4842 | paintOnSvg(wrapper) {
|
4843 | let cancelled = false;
|
4844 |
|
4845 | const ensureNotCancelled = () => {
|
4846 | if (cancelled) {
|
4847 | throw new _pdfjsLib.RenderingCancelledException(`Rendering cancelled, page ${this.id}`, "svg");
|
4848 | }
|
4849 | };
|
4850 |
|
4851 | const pdfPage = this.pdfPage;
|
4852 | const actualSizeViewport = this.viewport.clone({
|
4853 | scale: _ui_utils.CSS_UNITS
|
4854 | });
|
4855 | const promise = pdfPage.getOperatorList().then(opList => {
|
4856 | ensureNotCancelled();
|
4857 | const svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
|
4858 | return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {
|
4859 | ensureNotCancelled();
|
4860 | this.svg = svg;
|
4861 | this.paintedViewportMap.set(svg, actualSizeViewport);
|
4862 | svg.style.width = wrapper.style.width;
|
4863 | svg.style.height = wrapper.style.height;
|
4864 | this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
|
4865 | wrapper.appendChild(svg);
|
4866 | });
|
4867 | });
|
4868 | return {
|
4869 | promise,
|
4870 |
|
4871 | onRenderContinue(cont) {
|
4872 | cont();
|
4873 | },
|
4874 |
|
4875 | cancel() {
|
4876 | cancelled = true;
|
4877 | }
|
4878 |
|
4879 | };
|
4880 | }
|
4881 |
|
4882 | setPageLabel(label) {
|
4883 | this.pageLabel = typeof label === "string" ? label : null;
|
4884 |
|
4885 | if (this.pageLabel !== null) {
|
4886 | this.div.setAttribute("data-page-label", this.pageLabel);
|
4887 | } else {
|
4888 | this.div.removeAttribute("data-page-label");
|
4889 | }
|
4890 | }
|
4891 |
|
4892 | }
|
4893 |
|
4894 | exports.PDFPageView = PDFPageView;
|
4895 |
|
4896 | }),
|
4897 |
|
4898 | (function(module, exports, __w_pdfjs_require__) {
|
4899 |
|
4900 | "use strict";
|
4901 |
|
4902 |
|
4903 | Object.defineProperty(exports, "__esModule", {
|
4904 | value: true
|
4905 | });
|
4906 | exports.PDFRenderingQueue = exports.RenderingStates = void 0;
|
4907 | const CLEANUP_TIMEOUT = 30000;
|
4908 | const RenderingStates = {
|
4909 | INITIAL: 0,
|
4910 | RUNNING: 1,
|
4911 | PAUSED: 2,
|
4912 | FINISHED: 3
|
4913 | };
|
4914 | exports.RenderingStates = RenderingStates;
|
4915 |
|
4916 | class PDFRenderingQueue {
|
4917 | constructor() {
|
4918 | this.pdfViewer = null;
|
4919 | this.pdfThumbnailViewer = null;
|
4920 | this.onIdle = null;
|
4921 | this.highestPriorityPage = null;
|
4922 | this.idleTimeout = null;
|
4923 | this.printing = false;
|
4924 | this.isThumbnailViewEnabled = false;
|
4925 | }
|
4926 |
|
4927 | setViewer(pdfViewer) {
|
4928 | this.pdfViewer = pdfViewer;
|
4929 | }
|
4930 |
|
4931 | setThumbnailViewer(pdfThumbnailViewer) {
|
4932 | this.pdfThumbnailViewer = pdfThumbnailViewer;
|
4933 | }
|
4934 |
|
4935 | isHighestPriority(view) {
|
4936 | return this.highestPriorityPage === view.renderingId;
|
4937 | }
|
4938 |
|
4939 | renderHighestPriority(currentlyVisiblePages) {
|
4940 | if (this.idleTimeout) {
|
4941 | clearTimeout(this.idleTimeout);
|
4942 | this.idleTimeout = null;
|
4943 | }
|
4944 |
|
4945 | if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
|
4946 | return;
|
4947 | }
|
4948 |
|
4949 | if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
|
4950 | if (this.pdfThumbnailViewer.forceRendering()) {
|
4951 | return;
|
4952 | }
|
4953 | }
|
4954 |
|
4955 | if (this.printing) {
|
4956 | return;
|
4957 | }
|
4958 |
|
4959 | if (this.onIdle) {
|
4960 | this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
|
4961 | }
|
4962 | }
|
4963 |
|
4964 | getHighestPriority(visible, views, scrolledDown) {
|
4965 | const visibleViews = visible.views;
|
4966 | const numVisible = visibleViews.length;
|
4967 |
|
4968 | if (numVisible === 0) {
|
4969 | return null;
|
4970 | }
|
4971 |
|
4972 | for (let i = 0; i < numVisible; ++i) {
|
4973 | const view = visibleViews[i].view;
|
4974 |
|
4975 | if (!this.isViewFinished(view)) {
|
4976 | return view;
|
4977 | }
|
4978 | }
|
4979 |
|
4980 | if (scrolledDown) {
|
4981 | const nextPageIndex = visible.last.id;
|
4982 |
|
4983 | if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
|
4984 | return views[nextPageIndex];
|
4985 | }
|
4986 | } else {
|
4987 | const previousPageIndex = visible.first.id - 2;
|
4988 |
|
4989 | if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
|
4990 | return views[previousPageIndex];
|
4991 | }
|
4992 | }
|
4993 |
|
4994 | return null;
|
4995 | }
|
4996 |
|
4997 | isViewFinished(view) {
|
4998 | return view.renderingState === RenderingStates.FINISHED;
|
4999 | }
|
5000 |
|
5001 | renderView(view) {
|
5002 | switch (view.renderingState) {
|
5003 | case RenderingStates.FINISHED:
|
5004 | return false;
|
5005 |
|
5006 | case RenderingStates.PAUSED:
|
5007 | this.highestPriorityPage = view.renderingId;
|
5008 | view.resume();
|
5009 | break;
|
5010 |
|
5011 | case RenderingStates.RUNNING:
|
5012 | this.highestPriorityPage = view.renderingId;
|
5013 | break;
|
5014 |
|
5015 | case RenderingStates.INITIAL:
|
5016 | this.highestPriorityPage = view.renderingId;
|
5017 | view.draw().finally(() => {
|
5018 | this.renderHighestPriority();
|
5019 | }).catch(reason => {
|
5020 | console.error(`renderView: "${reason}"`);
|
5021 | });
|
5022 | break;
|
5023 | }
|
5024 |
|
5025 | return true;
|
5026 | }
|
5027 |
|
5028 | }
|
5029 |
|
5030 | exports.PDFRenderingQueue = PDFRenderingQueue;
|
5031 |
|
5032 | }),
|
5033 |
|
5034 | (function(module, exports, __w_pdfjs_require__) {
|
5035 |
|
5036 | "use strict";
|
5037 |
|
5038 |
|
5039 | Object.defineProperty(exports, "__esModule", {
|
5040 | value: true
|
5041 | });
|
5042 | exports.PDFSinglePageViewer = void 0;
|
5043 |
|
5044 | var _base_viewer = __w_pdfjs_require__(16);
|
5045 |
|
5046 | var _pdfjsLib = __w_pdfjs_require__(2);
|
5047 |
|
5048 | class PDFSinglePageViewer extends _base_viewer.BaseViewer {
|
5049 | constructor(options) {
|
5050 | super(options);
|
5051 |
|
5052 | this.eventBus._on("pagesinit", evt => {
|
5053 | this._ensurePageViewVisible();
|
5054 | });
|
5055 | }
|
5056 |
|
5057 | get _viewerElement() {
|
5058 | return (0, _pdfjsLib.shadow)(this, "_viewerElement", this._shadowViewer);
|
5059 | }
|
5060 |
|
5061 | _resetView() {
|
5062 | super._resetView();
|
5063 |
|
5064 | this._previousPageNumber = 1;
|
5065 | this._shadowViewer = document.createDocumentFragment();
|
5066 | this._updateScrollDown = null;
|
5067 | }
|
5068 |
|
5069 | _ensurePageViewVisible() {
|
5070 | const pageView = this._pages[this._currentPageNumber - 1];
|
5071 | const previousPageView = this._pages[this._previousPageNumber - 1];
|
5072 | const viewerNodes = this.viewer.childNodes;
|
5073 |
|
5074 | switch (viewerNodes.length) {
|
5075 | case 0:
|
5076 | this.viewer.appendChild(pageView.div);
|
5077 | break;
|
5078 |
|
5079 | case 1:
|
5080 | if (viewerNodes[0] !== previousPageView.div) {
|
5081 | throw new Error("_ensurePageViewVisible: Unexpected previously visible page.");
|
5082 | }
|
5083 |
|
5084 | if (pageView === previousPageView) {
|
5085 | break;
|
5086 | }
|
5087 |
|
5088 | this._shadowViewer.appendChild(previousPageView.div);
|
5089 |
|
5090 | this.viewer.appendChild(pageView.div);
|
5091 | this.container.scrollTop = 0;
|
5092 | break;
|
5093 |
|
5094 | default:
|
5095 | throw new Error("_ensurePageViewVisible: Only one page should be visible at a time.");
|
5096 | }
|
5097 |
|
5098 | this._previousPageNumber = this._currentPageNumber;
|
5099 | }
|
5100 |
|
5101 | _scrollUpdate() {
|
5102 | if (this._updateScrollDown) {
|
5103 | this._updateScrollDown();
|
5104 | }
|
5105 |
|
5106 | super._scrollUpdate();
|
5107 | }
|
5108 |
|
5109 | _scrollIntoView({
|
5110 | pageDiv,
|
5111 | pageSpot = null,
|
5112 | pageNumber = null
|
5113 | }) {
|
5114 | if (pageNumber) {
|
5115 | this._setCurrentPageNumber(pageNumber);
|
5116 | }
|
5117 |
|
5118 | const scrolledDown = this._currentPageNumber >= this._previousPageNumber;
|
5119 |
|
5120 | this._ensurePageViewVisible();
|
5121 |
|
5122 | this.update();
|
5123 |
|
5124 | super._scrollIntoView({
|
5125 | pageDiv,
|
5126 | pageSpot,
|
5127 | pageNumber
|
5128 | });
|
5129 |
|
5130 | this._updateScrollDown = () => {
|
5131 | this.scroll.down = scrolledDown;
|
5132 | this._updateScrollDown = null;
|
5133 | };
|
5134 | }
|
5135 |
|
5136 | _getVisiblePages() {
|
5137 | return this._getCurrentVisiblePage();
|
5138 | }
|
5139 |
|
5140 | _updateHelper(visiblePages) {}
|
5141 |
|
5142 | get _isScrollModeHorizontal() {
|
5143 | return (0, _pdfjsLib.shadow)(this, "_isScrollModeHorizontal", false);
|
5144 | }
|
5145 |
|
5146 | _updateScrollMode() {}
|
5147 |
|
5148 | _updateSpreadMode() {}
|
5149 |
|
5150 | }
|
5151 |
|
5152 | exports.PDFSinglePageViewer = PDFSinglePageViewer;
|
5153 |
|
5154 | }),
|
5155 |
|
5156 | (function(module, exports, __w_pdfjs_require__) {
|
5157 |
|
5158 | "use strict";
|
5159 |
|
5160 |
|
5161 | Object.defineProperty(exports, "__esModule", {
|
5162 | value: true
|
5163 | });
|
5164 | exports.BaseViewer = void 0;
|
5165 |
|
5166 | var _ui_utils = __w_pdfjs_require__(3);
|
5167 |
|
5168 | var _pdf_rendering_queue = __w_pdfjs_require__(14);
|
5169 |
|
5170 | var _annotation_layer_builder = __w_pdfjs_require__(1);
|
5171 |
|
5172 | var _pdfjsLib = __w_pdfjs_require__(2);
|
5173 |
|
5174 | var _pdf_page_view = __w_pdfjs_require__(13);
|
5175 |
|
5176 | var _pdf_link_service = __w_pdfjs_require__(4);
|
5177 |
|
5178 | var _text_layer_builder = __w_pdfjs_require__(5);
|
5179 |
|
5180 | const DEFAULT_CACHE_SIZE = 10;
|
5181 |
|
5182 | function PDFPageViewBuffer(size) {
|
5183 | const data = [];
|
5184 |
|
5185 | this.push = function (view) {
|
5186 | const i = data.indexOf(view);
|
5187 |
|
5188 | if (i >= 0) {
|
5189 | data.splice(i, 1);
|
5190 | }
|
5191 |
|
5192 | data.push(view);
|
5193 |
|
5194 | if (data.length > size) {
|
5195 | data.shift().destroy();
|
5196 | }
|
5197 | };
|
5198 |
|
5199 | this.resize = function (newSize, pagesToKeep) {
|
5200 | size = newSize;
|
5201 |
|
5202 | if (pagesToKeep) {
|
5203 | const pageIdsToKeep = new Set();
|
5204 |
|
5205 | for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
|
5206 | pageIdsToKeep.add(pagesToKeep[i].id);
|
5207 | }
|
5208 |
|
5209 | (0, _ui_utils.moveToEndOfArray)(data, function (page) {
|
5210 | return pageIdsToKeep.has(page.id);
|
5211 | });
|
5212 | }
|
5213 |
|
5214 | while (data.length > size) {
|
5215 | data.shift().destroy();
|
5216 | }
|
5217 | };
|
5218 | }
|
5219 |
|
5220 | function isSameScale(oldScale, newScale) {
|
5221 | if (newScale === oldScale) {
|
5222 | return true;
|
5223 | }
|
5224 |
|
5225 | if (Math.abs(newScale - oldScale) < 1e-15) {
|
5226 | return true;
|
5227 | }
|
5228 |
|
5229 | return false;
|
5230 | }
|
5231 |
|
5232 | class BaseViewer {
|
5233 | constructor(options) {
|
5234 | if (this.constructor === BaseViewer) {
|
5235 | throw new Error("Cannot initialize BaseViewer.");
|
5236 | }
|
5237 |
|
5238 | this._name = this.constructor.name;
|
5239 | this.container = options.container;
|
5240 | this.viewer = options.viewer || options.container.firstElementChild;
|
5241 | this.eventBus = options.eventBus;
|
5242 | this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
|
5243 | this.downloadManager = options.downloadManager || null;
|
5244 | this.findController = options.findController || null;
|
5245 | this.removePageBorders = options.removePageBorders || false;
|
5246 | this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
|
5247 | this.imageResourcesPath = options.imageResourcesPath || "";
|
5248 | this.renderInteractiveForms = options.renderInteractiveForms || false;
|
5249 | this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
|
5250 | this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
|
5251 | this.enableWebGL = options.enableWebGL || false;
|
5252 | this.useOnlyCssZoom = options.useOnlyCssZoom || false;
|
5253 | this.maxCanvasPixels = options.maxCanvasPixels;
|
5254 | this.l10n = options.l10n || _ui_utils.NullL10n;
|
5255 | this.defaultRenderingQueue = !options.renderingQueue;
|
5256 |
|
5257 | if (this.defaultRenderingQueue) {
|
5258 | this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
|
5259 | this.renderingQueue.setViewer(this);
|
5260 | } else {
|
5261 | this.renderingQueue = options.renderingQueue;
|
5262 | }
|
5263 |
|
5264 | this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
|
5265 | this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
|
5266 | this._onBeforeDraw = this._onAfterDraw = null;
|
5267 |
|
5268 | this._resetView();
|
5269 |
|
5270 | if (this.removePageBorders) {
|
5271 | this.viewer.classList.add("removePageBorders");
|
5272 | }
|
5273 |
|
5274 | Promise.resolve().then(() => {
|
5275 | this.eventBus.dispatch("baseviewerinit", {
|
5276 | source: this
|
5277 | });
|
5278 | });
|
5279 | }
|
5280 |
|
5281 | get pagesCount() {
|
5282 | return this._pages.length;
|
5283 | }
|
5284 |
|
5285 | getPageView(index) {
|
5286 | return this._pages[index];
|
5287 | }
|
5288 |
|
5289 | get pageViewsReady() {
|
5290 | if (!this._pagesCapability.settled) {
|
5291 | return false;
|
5292 | }
|
5293 |
|
5294 | return this._pages.every(function (pageView) {
|
5295 | return pageView && pageView.pdfPage;
|
5296 | });
|
5297 | }
|
5298 |
|
5299 | get currentPageNumber() {
|
5300 | return this._currentPageNumber;
|
5301 | }
|
5302 |
|
5303 | set currentPageNumber(val) {
|
5304 | if (!Number.isInteger(val)) {
|
5305 | throw new Error("Invalid page number.");
|
5306 | }
|
5307 |
|
5308 | if (!this.pdfDocument) {
|
5309 | return;
|
5310 | }
|
5311 |
|
5312 | if (!this._setCurrentPageNumber(val, true)) {
|
5313 | console.error(`${this._name}.currentPageNumber: "${val}" is not a valid page.`);
|
5314 | }
|
5315 | }
|
5316 |
|
5317 | _setCurrentPageNumber(val, resetCurrentPageView = false) {
|
5318 | if (this._currentPageNumber === val) {
|
5319 | if (resetCurrentPageView) {
|
5320 | this._resetCurrentPageView();
|
5321 | }
|
5322 |
|
5323 | return true;
|
5324 | }
|
5325 |
|
5326 | if (!(0 < val && val <= this.pagesCount)) {
|
5327 | return false;
|
5328 | }
|
5329 |
|
5330 | this._currentPageNumber = val;
|
5331 | this.eventBus.dispatch("pagechanging", {
|
5332 | source: this,
|
5333 | pageNumber: val,
|
5334 | pageLabel: this._pageLabels && this._pageLabels[val - 1]
|
5335 | });
|
5336 |
|
5337 | if (resetCurrentPageView) {
|
5338 | this._resetCurrentPageView();
|
5339 | }
|
5340 |
|
5341 | return true;
|
5342 | }
|
5343 |
|
5344 | get currentPageLabel() {
|
5345 | return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
|
5346 | }
|
5347 |
|
5348 | set currentPageLabel(val) {
|
5349 | if (!this.pdfDocument) {
|
5350 | return;
|
5351 | }
|
5352 |
|
5353 | let page = val | 0;
|
5354 |
|
5355 | if (this._pageLabels) {
|
5356 | const i = this._pageLabels.indexOf(val);
|
5357 |
|
5358 | if (i >= 0) {
|
5359 | page = i + 1;
|
5360 | }
|
5361 | }
|
5362 |
|
5363 | if (!this._setCurrentPageNumber(page, true)) {
|
5364 | console.error(`${this._name}.currentPageLabel: "${val}" is not a valid page.`);
|
5365 | }
|
5366 | }
|
5367 |
|
5368 | get currentScale() {
|
5369 | return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
|
5370 | }
|
5371 |
|
5372 | set currentScale(val) {
|
5373 | if (isNaN(val)) {
|
5374 | throw new Error("Invalid numeric scale.");
|
5375 | }
|
5376 |
|
5377 | if (!this.pdfDocument) {
|
5378 | return;
|
5379 | }
|
5380 |
|
5381 | this._setScale(val, false);
|
5382 | }
|
5383 |
|
5384 | get currentScaleValue() {
|
5385 | return this._currentScaleValue;
|
5386 | }
|
5387 |
|
5388 | set currentScaleValue(val) {
|
5389 | if (!this.pdfDocument) {
|
5390 | return;
|
5391 | }
|
5392 |
|
5393 | this._setScale(val, false);
|
5394 | }
|
5395 |
|
5396 | get pagesRotation() {
|
5397 | return this._pagesRotation;
|
5398 | }
|
5399 |
|
5400 | set pagesRotation(rotation) {
|
5401 | if (!(0, _ui_utils.isValidRotation)(rotation)) {
|
5402 | throw new Error("Invalid pages rotation angle.");
|
5403 | }
|
5404 |
|
5405 | if (!this.pdfDocument) {
|
5406 | return;
|
5407 | }
|
5408 |
|
5409 | if (this._pagesRotation === rotation) {
|
5410 | return;
|
5411 | }
|
5412 |
|
5413 | this._pagesRotation = rotation;
|
5414 | const pageNumber = this._currentPageNumber;
|
5415 |
|
5416 | for (let i = 0, ii = this._pages.length; i < ii; i++) {
|
5417 | const pageView = this._pages[i];
|
5418 | pageView.update(pageView.scale, rotation);
|
5419 | }
|
5420 |
|
5421 | if (this._currentScaleValue) {
|
5422 | this._setScale(this._currentScaleValue, true);
|
5423 | }
|
5424 |
|
5425 | this.eventBus.dispatch("rotationchanging", {
|
5426 | source: this,
|
5427 | pagesRotation: rotation,
|
5428 | pageNumber
|
5429 | });
|
5430 |
|
5431 | if (this.defaultRenderingQueue) {
|
5432 | this.update();
|
5433 | }
|
5434 | }
|
5435 |
|
5436 | get firstPagePromise() {
|
5437 | return this.pdfDocument ? this._firstPageCapability.promise : null;
|
5438 | }
|
5439 |
|
5440 | get onePageRendered() {
|
5441 | return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
|
5442 | }
|
5443 |
|
5444 | get pagesPromise() {
|
5445 | return this.pdfDocument ? this._pagesCapability.promise : null;
|
5446 | }
|
5447 |
|
5448 | get _viewerElement() {
|
5449 | throw new Error("Not implemented: _viewerElement");
|
5450 | }
|
5451 |
|
5452 | _onePageRenderedOrForceFetch() {
|
5453 | if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {
|
5454 | return Promise.resolve();
|
5455 | }
|
5456 |
|
5457 | return this._onePageRenderedCapability.promise;
|
5458 | }
|
5459 |
|
5460 | setDocument(pdfDocument) {
|
5461 | if (this.pdfDocument) {
|
5462 | this._cancelRendering();
|
5463 |
|
5464 | this._resetView();
|
5465 |
|
5466 | if (this.findController) {
|
5467 | this.findController.setDocument(null);
|
5468 | }
|
5469 | }
|
5470 |
|
5471 | this.pdfDocument = pdfDocument;
|
5472 |
|
5473 | if (!pdfDocument) {
|
5474 | return;
|
5475 | }
|
5476 |
|
5477 | const pagesCount = pdfDocument.numPages;
|
5478 | const firstPagePromise = pdfDocument.getPage(1);
|
5479 |
|
5480 | this._pagesCapability.promise.then(() => {
|
5481 | this.eventBus.dispatch("pagesloaded", {
|
5482 | source: this,
|
5483 | pagesCount
|
5484 | });
|
5485 | });
|
5486 |
|
5487 | this._onBeforeDraw = evt => {
|
5488 | const pageView = this._pages[evt.pageNumber - 1];
|
5489 |
|
5490 | if (!pageView) {
|
5491 | return;
|
5492 | }
|
5493 |
|
5494 | this._buffer.push(pageView);
|
5495 | };
|
5496 |
|
5497 | this.eventBus._on("pagerender", this._onBeforeDraw);
|
5498 |
|
5499 | this._onAfterDraw = evt => {
|
5500 | if (evt.cssTransform || this._onePageRenderedCapability.settled) {
|
5501 | return;
|
5502 | }
|
5503 |
|
5504 | this._onePageRenderedCapability.resolve();
|
5505 |
|
5506 | this.eventBus._off("pagerendered", this._onAfterDraw);
|
5507 |
|
5508 | this._onAfterDraw = null;
|
5509 | };
|
5510 |
|
5511 | this.eventBus._on("pagerendered", this._onAfterDraw);
|
5512 |
|
5513 | firstPagePromise.then(firstPdfPage => {
|
5514 | this._firstPageCapability.resolve(firstPdfPage);
|
5515 |
|
5516 | const scale = this.currentScale;
|
5517 | const viewport = firstPdfPage.getViewport({
|
5518 | scale: scale * _ui_utils.CSS_UNITS
|
5519 | });
|
5520 | const textLayerFactory = this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? this : null;
|
5521 |
|
5522 | for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
|
5523 | const pageView = new _pdf_page_view.PDFPageView({
|
5524 | container: this._viewerElement,
|
5525 | eventBus: this.eventBus,
|
5526 | id: pageNum,
|
5527 | scale,
|
5528 | defaultViewport: viewport.clone(),
|
5529 | renderingQueue: this.renderingQueue,
|
5530 | textLayerFactory,
|
5531 | textLayerMode: this.textLayerMode,
|
5532 | annotationLayerFactory: this,
|
5533 | imageResourcesPath: this.imageResourcesPath,
|
5534 | renderInteractiveForms: this.renderInteractiveForms,
|
5535 | renderer: this.renderer,
|
5536 | enableWebGL: this.enableWebGL,
|
5537 | useOnlyCssZoom: this.useOnlyCssZoom,
|
5538 | maxCanvasPixels: this.maxCanvasPixels,
|
5539 | l10n: this.l10n
|
5540 | });
|
5541 |
|
5542 | this._pages.push(pageView);
|
5543 | }
|
5544 |
|
5545 | const firstPageView = this._pages[0];
|
5546 |
|
5547 | if (firstPageView) {
|
5548 | firstPageView.setPdfPage(firstPdfPage);
|
5549 | this.linkService.cachePageRef(1, firstPdfPage.ref);
|
5550 | }
|
5551 |
|
5552 | if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
|
5553 | this._updateSpreadMode();
|
5554 | }
|
5555 |
|
5556 | this._onePageRenderedOrForceFetch().then(() => {
|
5557 | if (this.findController) {
|
5558 | this.findController.setDocument(pdfDocument);
|
5559 | }
|
5560 |
|
5561 | if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {
|
5562 | this._pagesCapability.resolve();
|
5563 |
|
5564 | return;
|
5565 | }
|
5566 |
|
5567 | let getPagesLeft = pagesCount - 1;
|
5568 |
|
5569 | if (getPagesLeft <= 0) {
|
5570 | this._pagesCapability.resolve();
|
5571 |
|
5572 | return;
|
5573 | }
|
5574 |
|
5575 | for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
|
5576 | pdfDocument.getPage(pageNum).then(pdfPage => {
|
5577 | const pageView = this._pages[pageNum - 1];
|
5578 |
|
5579 | if (!pageView.pdfPage) {
|
5580 | pageView.setPdfPage(pdfPage);
|
5581 | }
|
5582 |
|
5583 | this.linkService.cachePageRef(pageNum, pdfPage.ref);
|
5584 |
|
5585 | if (--getPagesLeft === 0) {
|
5586 | this._pagesCapability.resolve();
|
5587 | }
|
5588 | }, reason => {
|
5589 | console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
|
5590 |
|
5591 | if (--getPagesLeft === 0) {
|
5592 | this._pagesCapability.resolve();
|
5593 | }
|
5594 | });
|
5595 | }
|
5596 | });
|
5597 |
|
5598 | this.eventBus.dispatch("pagesinit", {
|
5599 | source: this
|
5600 | });
|
5601 |
|
5602 | if (this.defaultRenderingQueue) {
|
5603 | this.update();
|
5604 | }
|
5605 | }).catch(reason => {
|
5606 | console.error("Unable to initialize viewer", reason);
|
5607 | });
|
5608 | }
|
5609 |
|
5610 | setPageLabels(labels) {
|
5611 | if (!this.pdfDocument) {
|
5612 | return;
|
5613 | }
|
5614 |
|
5615 | if (!labels) {
|
5616 | this._pageLabels = null;
|
5617 | } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
|
5618 | this._pageLabels = null;
|
5619 | console.error(`${this._name}.setPageLabels: Invalid page labels.`);
|
5620 | } else {
|
5621 | this._pageLabels = labels;
|
5622 | }
|
5623 |
|
5624 | for (let i = 0, ii = this._pages.length; i < ii; i++) {
|
5625 | const pageView = this._pages[i];
|
5626 | const label = this._pageLabels && this._pageLabels[i];
|
5627 | pageView.setPageLabel(label);
|
5628 | }
|
5629 | }
|
5630 |
|
5631 | _resetView() {
|
5632 | this._pages = [];
|
5633 | this._currentPageNumber = 1;
|
5634 | this._currentScale = _ui_utils.UNKNOWN_SCALE;
|
5635 | this._currentScaleValue = null;
|
5636 | this._pageLabels = null;
|
5637 | this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
|
5638 | this._location = null;
|
5639 | this._pagesRotation = 0;
|
5640 | this._pagesRequests = new WeakMap();
|
5641 | this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
|
5642 | this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
|
5643 | this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
|
5644 | this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
|
5645 | this._spreadMode = _ui_utils.SpreadMode.NONE;
|
5646 |
|
5647 | if (this._onBeforeDraw) {
|
5648 | this.eventBus._off("pagerender", this._onBeforeDraw);
|
5649 |
|
5650 | this._onBeforeDraw = null;
|
5651 | }
|
5652 |
|
5653 | if (this._onAfterDraw) {
|
5654 | this.eventBus._off("pagerendered", this._onAfterDraw);
|
5655 |
|
5656 | this._onAfterDraw = null;
|
5657 | }
|
5658 |
|
5659 | this.viewer.textContent = "";
|
5660 |
|
5661 | this._updateScrollMode();
|
5662 | }
|
5663 |
|
5664 | _scrollUpdate() {
|
5665 | if (this.pagesCount === 0) {
|
5666 | return;
|
5667 | }
|
5668 |
|
5669 | this.update();
|
5670 | }
|
5671 |
|
5672 | _scrollIntoView({
|
5673 | pageDiv,
|
5674 | pageSpot = null,
|
5675 | pageNumber = null
|
5676 | }) {
|
5677 | (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
|
5678 | }
|
5679 |
|
5680 | _setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {
|
5681 | this._currentScaleValue = newValue.toString();
|
5682 |
|
5683 | if (isSameScale(this._currentScale, newScale)) {
|
5684 | if (preset) {
|
5685 | this.eventBus.dispatch("scalechanging", {
|
5686 | source: this,
|
5687 | scale: newScale,
|
5688 | presetValue: newValue
|
5689 | });
|
5690 | }
|
5691 |
|
5692 | return;
|
5693 | }
|
5694 |
|
5695 | for (let i = 0, ii = this._pages.length; i < ii; i++) {
|
5696 | this._pages[i].update(newScale);
|
5697 | }
|
5698 |
|
5699 | this._currentScale = newScale;
|
5700 |
|
5701 | if (!noScroll) {
|
5702 | let page = this._currentPageNumber,
|
5703 | dest;
|
5704 |
|
5705 | if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
|
5706 | page = this._location.pageNumber;
|
5707 | dest = [null, {
|
5708 | name: "XYZ"
|
5709 | }, this._location.left, this._location.top, null];
|
5710 | }
|
5711 |
|
5712 | this.scrollPageIntoView({
|
5713 | pageNumber: page,
|
5714 | destArray: dest,
|
5715 | allowNegativeOffset: true
|
5716 | });
|
5717 | }
|
5718 |
|
5719 | this.eventBus.dispatch("scalechanging", {
|
5720 | source: this,
|
5721 | scale: newScale,
|
5722 | presetValue: preset ? newValue : undefined
|
5723 | });
|
5724 |
|
5725 | if (this.defaultRenderingQueue) {
|
5726 | this.update();
|
5727 | }
|
5728 | }
|
5729 |
|
5730 | _setScale(value, noScroll = false) {
|
5731 | let scale = parseFloat(value);
|
5732 |
|
5733 | if (scale > 0) {
|
5734 | this._setScaleUpdatePages(scale, value, noScroll, false);
|
5735 | } else {
|
5736 | const currentPage = this._pages[this._currentPageNumber - 1];
|
5737 |
|
5738 | if (!currentPage) {
|
5739 | return;
|
5740 | }
|
5741 |
|
5742 | const noPadding = this.isInPresentationMode || this.removePageBorders;
|
5743 | let hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
|
5744 | let vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
|
5745 |
|
5746 | if (!noPadding && this._isScrollModeHorizontal) {
|
5747 | [hPadding, vPadding] = [vPadding, hPadding];
|
5748 | }
|
5749 |
|
5750 | const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
|
5751 | const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
|
5752 |
|
5753 | switch (value) {
|
5754 | case "page-actual":
|
5755 | scale = 1;
|
5756 | break;
|
5757 |
|
5758 | case "page-width":
|
5759 | scale = pageWidthScale;
|
5760 | break;
|
5761 |
|
5762 | case "page-height":
|
5763 | scale = pageHeightScale;
|
5764 | break;
|
5765 |
|
5766 | case "page-fit":
|
5767 | scale = Math.min(pageWidthScale, pageHeightScale);
|
5768 | break;
|
5769 |
|
5770 | case "auto":
|
5771 | const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
|
5772 | scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
|
5773 | break;
|
5774 |
|
5775 | default:
|
5776 | console.error(`${this._name}._setScale: "${value}" is an unknown zoom value.`);
|
5777 | return;
|
5778 | }
|
5779 |
|
5780 | this._setScaleUpdatePages(scale, value, noScroll, true);
|
5781 | }
|
5782 | }
|
5783 |
|
5784 | _resetCurrentPageView() {
|
5785 | if (this.isInPresentationMode) {
|
5786 | this._setScale(this._currentScaleValue, true);
|
5787 | }
|
5788 |
|
5789 | const pageView = this._pages[this._currentPageNumber - 1];
|
5790 |
|
5791 | this._scrollIntoView({
|
5792 | pageDiv: pageView.div
|
5793 | });
|
5794 | }
|
5795 |
|
5796 | scrollPageIntoView({
|
5797 | pageNumber,
|
5798 | destArray = null,
|
5799 | allowNegativeOffset = false,
|
5800 | ignoreDestinationZoom = false
|
5801 | }) {
|
5802 | if (!this.pdfDocument) {
|
5803 | return;
|
5804 | }
|
5805 |
|
5806 | const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
|
5807 |
|
5808 | if (!pageView) {
|
5809 | console.error(`${this._name}.scrollPageIntoView: ` + `"${pageNumber}" is not a valid pageNumber parameter.`);
|
5810 | return;
|
5811 | }
|
5812 |
|
5813 | if (this.isInPresentationMode || !destArray) {
|
5814 | this._setCurrentPageNumber(pageNumber, true);
|
5815 |
|
5816 | return;
|
5817 | }
|
5818 |
|
5819 | let x = 0,
|
5820 | y = 0;
|
5821 | let width = 0,
|
5822 | height = 0,
|
5823 | widthScale,
|
5824 | heightScale;
|
5825 | const changeOrientation = pageView.rotation % 180 !== 0;
|
5826 | const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
|
5827 | const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
|
5828 | let scale = 0;
|
5829 |
|
5830 | switch (destArray[1].name) {
|
5831 | case "XYZ":
|
5832 | x = destArray[2];
|
5833 | y = destArray[3];
|
5834 | scale = destArray[4];
|
5835 | x = x !== null ? x : 0;
|
5836 | y = y !== null ? y : pageHeight;
|
5837 | break;
|
5838 |
|
5839 | case "Fit":
|
5840 | case "FitB":
|
5841 | scale = "page-fit";
|
5842 | break;
|
5843 |
|
5844 | case "FitH":
|
5845 | case "FitBH":
|
5846 | y = destArray[2];
|
5847 | scale = "page-width";
|
5848 |
|
5849 | if (y === null && this._location) {
|
5850 | x = this._location.left;
|
5851 | y = this._location.top;
|
5852 | }
|
5853 |
|
5854 | break;
|
5855 |
|
5856 | case "FitV":
|
5857 | case "FitBV":
|
5858 | x = destArray[2];
|
5859 | width = pageWidth;
|
5860 | height = pageHeight;
|
5861 | scale = "page-height";
|
5862 | break;
|
5863 |
|
5864 | case "FitR":
|
5865 | x = destArray[2];
|
5866 | y = destArray[3];
|
5867 | width = destArray[4] - x;
|
5868 | height = destArray[5] - y;
|
5869 | const hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
|
5870 | const vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
|
5871 | widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
|
5872 | heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
|
5873 | scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
|
5874 | break;
|
5875 |
|
5876 | default:
|
5877 | console.error(`${this._name}.scrollPageIntoView: ` + `"${destArray[1].name}" is not a valid destination type.`);
|
5878 | return;
|
5879 | }
|
5880 |
|
5881 | if (!ignoreDestinationZoom) {
|
5882 | if (scale && scale !== this._currentScale) {
|
5883 | this.currentScaleValue = scale;
|
5884 | } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
|
5885 | this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
|
5886 | }
|
5887 | }
|
5888 |
|
5889 | if (scale === "page-fit" && !destArray[4]) {
|
5890 | this._scrollIntoView({
|
5891 | pageDiv: pageView.div,
|
5892 | pageNumber
|
5893 | });
|
5894 |
|
5895 | return;
|
5896 | }
|
5897 |
|
5898 | const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
|
5899 | let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
|
5900 | let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
|
5901 |
|
5902 | if (!allowNegativeOffset) {
|
5903 | left = Math.max(left, 0);
|
5904 | top = Math.max(top, 0);
|
5905 | }
|
5906 |
|
5907 | this._scrollIntoView({
|
5908 | pageDiv: pageView.div,
|
5909 | pageSpot: {
|
5910 | left,
|
5911 | top
|
5912 | },
|
5913 | pageNumber
|
5914 | });
|
5915 | }
|
5916 |
|
5917 | _updateLocation(firstPage) {
|
5918 | const currentScale = this._currentScale;
|
5919 | const currentScaleValue = this._currentScaleValue;
|
5920 | const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
|
5921 | const pageNumber = firstPage.id;
|
5922 | let pdfOpenParams = "#page=" + pageNumber;
|
5923 | pdfOpenParams += "&zoom=" + normalizedScaleValue;
|
5924 | const currentPageView = this._pages[pageNumber - 1];
|
5925 | const container = this.container;
|
5926 | const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
|
5927 | const intLeft = Math.round(topLeft[0]);
|
5928 | const intTop = Math.round(topLeft[1]);
|
5929 | pdfOpenParams += "," + intLeft + "," + intTop;
|
5930 | this._location = {
|
5931 | pageNumber,
|
5932 | scale: normalizedScaleValue,
|
5933 | top: intTop,
|
5934 | left: intLeft,
|
5935 | rotation: this._pagesRotation,
|
5936 | pdfOpenParams
|
5937 | };
|
5938 | }
|
5939 |
|
5940 | _updateHelper(visiblePages) {
|
5941 | throw new Error("Not implemented: _updateHelper");
|
5942 | }
|
5943 |
|
5944 | update() {
|
5945 | const visible = this._getVisiblePages();
|
5946 |
|
5947 | const visiblePages = visible.views,
|
5948 | numVisiblePages = visiblePages.length;
|
5949 |
|
5950 | if (numVisiblePages === 0) {
|
5951 | return;
|
5952 | }
|
5953 |
|
5954 | const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
|
5955 |
|
5956 | this._buffer.resize(newCacheSize, visiblePages);
|
5957 |
|
5958 | this.renderingQueue.renderHighestPriority(visible);
|
5959 |
|
5960 | this._updateHelper(visiblePages);
|
5961 |
|
5962 | this._updateLocation(visible.first);
|
5963 |
|
5964 | this.eventBus.dispatch("updateviewarea", {
|
5965 | source: this,
|
5966 | location: this._location
|
5967 | });
|
5968 | }
|
5969 |
|
5970 | containsElement(element) {
|
5971 | return this.container.contains(element);
|
5972 | }
|
5973 |
|
5974 | focus() {
|
5975 | this.container.focus();
|
5976 | }
|
5977 |
|
5978 | get _isScrollModeHorizontal() {
|
5979 | return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
|
5980 | }
|
5981 |
|
5982 | get isInPresentationMode() {
|
5983 | return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
|
5984 | }
|
5985 |
|
5986 | get isChangingPresentationMode() {
|
5987 | return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
|
5988 | }
|
5989 |
|
5990 | get isHorizontalScrollbarEnabled() {
|
5991 | return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
|
5992 | }
|
5993 |
|
5994 | get isVerticalScrollbarEnabled() {
|
5995 | return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
|
5996 | }
|
5997 |
|
5998 | _getCurrentVisiblePage() {
|
5999 | if (!this.pagesCount) {
|
6000 | return {
|
6001 | views: []
|
6002 | };
|
6003 | }
|
6004 |
|
6005 | const pageView = this._pages[this._currentPageNumber - 1];
|
6006 | const element = pageView.div;
|
6007 | const view = {
|
6008 | id: pageView.id,
|
6009 | x: element.offsetLeft + element.clientLeft,
|
6010 | y: element.offsetTop + element.clientTop,
|
6011 | view: pageView
|
6012 | };
|
6013 | return {
|
6014 | first: view,
|
6015 | last: view,
|
6016 | views: [view]
|
6017 | };
|
6018 | }
|
6019 |
|
6020 | _getVisiblePages() {
|
6021 | return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._isScrollModeHorizontal);
|
6022 | }
|
6023 |
|
6024 | isPageVisible(pageNumber) {
|
6025 | if (!this.pdfDocument) {
|
6026 | return false;
|
6027 | }
|
6028 |
|
6029 | if (pageNumber < 1 || pageNumber > this.pagesCount) {
|
6030 | console.error(`${this._name}.isPageVisible: "${pageNumber}" is out of bounds.`);
|
6031 | return false;
|
6032 | }
|
6033 |
|
6034 | return this._getVisiblePages().views.some(function (view) {
|
6035 | return view.id === pageNumber;
|
6036 | });
|
6037 | }
|
6038 |
|
6039 | cleanup() {
|
6040 | for (let i = 0, ii = this._pages.length; i < ii; i++) {
|
6041 | if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
|
6042 | this._pages[i].reset();
|
6043 | }
|
6044 | }
|
6045 | }
|
6046 |
|
6047 | _cancelRendering() {
|
6048 | for (let i = 0, ii = this._pages.length; i < ii; i++) {
|
6049 | if (this._pages[i]) {
|
6050 | this._pages[i].cancelRendering();
|
6051 | }
|
6052 | }
|
6053 | }
|
6054 |
|
6055 | _ensurePdfPageLoaded(pageView) {
|
6056 | if (pageView.pdfPage) {
|
6057 | return Promise.resolve(pageView.pdfPage);
|
6058 | }
|
6059 |
|
6060 | if (this._pagesRequests.has(pageView)) {
|
6061 | return this._pagesRequests.get(pageView);
|
6062 | }
|
6063 |
|
6064 | const promise = this.pdfDocument.getPage(pageView.id).then(pdfPage => {
|
6065 | if (!pageView.pdfPage) {
|
6066 | pageView.setPdfPage(pdfPage);
|
6067 | }
|
6068 |
|
6069 | this._pagesRequests.delete(pageView);
|
6070 |
|
6071 | return pdfPage;
|
6072 | }).catch(reason => {
|
6073 | console.error("Unable to get page for page view", reason);
|
6074 |
|
6075 | this._pagesRequests.delete(pageView);
|
6076 | });
|
6077 |
|
6078 | this._pagesRequests.set(pageView, promise);
|
6079 |
|
6080 | return promise;
|
6081 | }
|
6082 |
|
6083 | forceRendering(currentlyVisiblePages) {
|
6084 | const visiblePages = currentlyVisiblePages || this._getVisiblePages();
|
6085 |
|
6086 | const scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
|
6087 | const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
|
6088 |
|
6089 | if (pageView) {
|
6090 | this._ensurePdfPageLoaded(pageView).then(() => {
|
6091 | this.renderingQueue.renderView(pageView);
|
6092 | });
|
6093 |
|
6094 | return true;
|
6095 | }
|
6096 |
|
6097 | return false;
|
6098 | }
|
6099 |
|
6100 | createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
|
6101 | return new _text_layer_builder.TextLayerBuilder({
|
6102 | textLayerDiv,
|
6103 | eventBus,
|
6104 | pageIndex,
|
6105 | viewport,
|
6106 | findController: this.isInPresentationMode ? null : this.findController,
|
6107 | enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
|
6108 | });
|
6109 | }
|
6110 |
|
6111 | createAnnotationLayerBuilder(pageDiv, pdfPage, imageResourcesPath = "", renderInteractiveForms = false, l10n = _ui_utils.NullL10n) {
|
6112 | return new _annotation_layer_builder.AnnotationLayerBuilder({
|
6113 | pageDiv,
|
6114 | pdfPage,
|
6115 | imageResourcesPath,
|
6116 | renderInteractiveForms,
|
6117 | linkService: this.linkService,
|
6118 | downloadManager: this.downloadManager,
|
6119 | l10n
|
6120 | });
|
6121 | }
|
6122 |
|
6123 | get hasEqualPageSizes() {
|
6124 | const firstPageView = this._pages[0];
|
6125 |
|
6126 | for (let i = 1, ii = this._pages.length; i < ii; ++i) {
|
6127 | const pageView = this._pages[i];
|
6128 |
|
6129 | if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
|
6130 | return false;
|
6131 | }
|
6132 | }
|
6133 |
|
6134 | return true;
|
6135 | }
|
6136 |
|
6137 | getPagesOverview() {
|
6138 | const pagesOverview = this._pages.map(function (pageView) {
|
6139 | const viewport = pageView.pdfPage.getViewport({
|
6140 | scale: 1
|
6141 | });
|
6142 | return {
|
6143 | width: viewport.width,
|
6144 | height: viewport.height,
|
6145 | rotation: viewport.rotation
|
6146 | };
|
6147 | });
|
6148 |
|
6149 | if (!this.enablePrintAutoRotate) {
|
6150 | return pagesOverview;
|
6151 | }
|
6152 |
|
6153 | const isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
|
6154 | return pagesOverview.map(function (size) {
|
6155 | if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
|
6156 | return size;
|
6157 | }
|
6158 |
|
6159 | return {
|
6160 | width: size.height,
|
6161 | height: size.width,
|
6162 | rotation: (size.rotation + 90) % 360
|
6163 | };
|
6164 | });
|
6165 | }
|
6166 |
|
6167 | get scrollMode() {
|
6168 | return this._scrollMode;
|
6169 | }
|
6170 |
|
6171 | set scrollMode(mode) {
|
6172 | if (this._scrollMode === mode) {
|
6173 | return;
|
6174 | }
|
6175 |
|
6176 | if (!(0, _ui_utils.isValidScrollMode)(mode)) {
|
6177 | throw new Error(`Invalid scroll mode: ${mode}`);
|
6178 | }
|
6179 |
|
6180 | this._scrollMode = mode;
|
6181 | this.eventBus.dispatch("scrollmodechanged", {
|
6182 | source: this,
|
6183 | mode
|
6184 | });
|
6185 |
|
6186 | this._updateScrollMode(this._currentPageNumber);
|
6187 | }
|
6188 |
|
6189 | _updateScrollMode(pageNumber = null) {
|
6190 | const scrollMode = this._scrollMode,
|
6191 | viewer = this.viewer;
|
6192 | viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
|
6193 | viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
|
6194 |
|
6195 | if (!this.pdfDocument || !pageNumber) {
|
6196 | return;
|
6197 | }
|
6198 |
|
6199 | if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
|
6200 | this._setScale(this._currentScaleValue, true);
|
6201 | }
|
6202 |
|
6203 | this._setCurrentPageNumber(pageNumber, true);
|
6204 |
|
6205 | this.update();
|
6206 | }
|
6207 |
|
6208 | get spreadMode() {
|
6209 | return this._spreadMode;
|
6210 | }
|
6211 |
|
6212 | set spreadMode(mode) {
|
6213 | if (this._spreadMode === mode) {
|
6214 | return;
|
6215 | }
|
6216 |
|
6217 | if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
|
6218 | throw new Error(`Invalid spread mode: ${mode}`);
|
6219 | }
|
6220 |
|
6221 | this._spreadMode = mode;
|
6222 | this.eventBus.dispatch("spreadmodechanged", {
|
6223 | source: this,
|
6224 | mode
|
6225 | });
|
6226 |
|
6227 | this._updateSpreadMode(this._currentPageNumber);
|
6228 | }
|
6229 |
|
6230 | _updateSpreadMode(pageNumber = null) {
|
6231 | if (!this.pdfDocument) {
|
6232 | return;
|
6233 | }
|
6234 |
|
6235 | const viewer = this.viewer,
|
6236 | pages = this._pages;
|
6237 | viewer.textContent = "";
|
6238 |
|
6239 | if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
|
6240 | for (let i = 0, iMax = pages.length; i < iMax; ++i) {
|
6241 | viewer.appendChild(pages[i].div);
|
6242 | }
|
6243 | } else {
|
6244 | const parity = this._spreadMode - 1;
|
6245 | let spread = null;
|
6246 |
|
6247 | for (let i = 0, iMax = pages.length; i < iMax; ++i) {
|
6248 | if (spread === null) {
|
6249 | spread = document.createElement("div");
|
6250 | spread.className = "spread";
|
6251 | viewer.appendChild(spread);
|
6252 | } else if (i % 2 === parity) {
|
6253 | spread = spread.cloneNode(false);
|
6254 | viewer.appendChild(spread);
|
6255 | }
|
6256 |
|
6257 | spread.appendChild(pages[i].div);
|
6258 | }
|
6259 | }
|
6260 |
|
6261 | if (!pageNumber) {
|
6262 | return;
|
6263 | }
|
6264 |
|
6265 | this._setCurrentPageNumber(pageNumber, true);
|
6266 |
|
6267 | this.update();
|
6268 | }
|
6269 |
|
6270 | }
|
6271 |
|
6272 | exports.BaseViewer = BaseViewer;
|
6273 |
|
6274 | }),
|
6275 |
|
6276 | (function(module, exports, __w_pdfjs_require__) {
|
6277 |
|
6278 | "use strict";
|
6279 |
|
6280 |
|
6281 | Object.defineProperty(exports, "__esModule", {
|
6282 | value: true
|
6283 | });
|
6284 | exports.PDFViewer = void 0;
|
6285 |
|
6286 | var _base_viewer = __w_pdfjs_require__(16);
|
6287 |
|
6288 | var _pdfjsLib = __w_pdfjs_require__(2);
|
6289 |
|
6290 | class PDFViewer extends _base_viewer.BaseViewer {
|
6291 | get _viewerElement() {
|
6292 | return (0, _pdfjsLib.shadow)(this, "_viewerElement", this.viewer);
|
6293 | }
|
6294 |
|
6295 | _scrollIntoView({
|
6296 | pageDiv,
|
6297 | pageSpot = null,
|
6298 | pageNumber = null
|
6299 | }) {
|
6300 | if (!pageSpot && !this.isInPresentationMode) {
|
6301 | const left = pageDiv.offsetLeft + pageDiv.clientLeft;
|
6302 | const right = left + pageDiv.clientWidth;
|
6303 | const {
|
6304 | scrollLeft,
|
6305 | clientWidth
|
6306 | } = this.container;
|
6307 |
|
6308 | if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
|
6309 | pageSpot = {
|
6310 | left: 0,
|
6311 | top: 0
|
6312 | };
|
6313 | }
|
6314 | }
|
6315 |
|
6316 | super._scrollIntoView({
|
6317 | pageDiv,
|
6318 | pageSpot,
|
6319 | pageNumber
|
6320 | });
|
6321 | }
|
6322 |
|
6323 | _getVisiblePages() {
|
6324 | if (this.isInPresentationMode) {
|
6325 | return this._getCurrentVisiblePage();
|
6326 | }
|
6327 |
|
6328 | return super._getVisiblePages();
|
6329 | }
|
6330 |
|
6331 | _updateHelper(visiblePages) {
|
6332 | if (this.isInPresentationMode) {
|
6333 | return;
|
6334 | }
|
6335 |
|
6336 | let currentId = this._currentPageNumber;
|
6337 | let stillFullyVisible = false;
|
6338 |
|
6339 | for (const page of visiblePages) {
|
6340 | if (page.percent < 100) {
|
6341 | break;
|
6342 | }
|
6343 |
|
6344 | if (page.id === currentId) {
|
6345 | stillFullyVisible = true;
|
6346 | break;
|
6347 | }
|
6348 | }
|
6349 |
|
6350 | if (!stillFullyVisible) {
|
6351 | currentId = visiblePages[0].id;
|
6352 | }
|
6353 |
|
6354 | this._setCurrentPageNumber(currentId);
|
6355 | }
|
6356 |
|
6357 | }
|
6358 |
|
6359 | exports.PDFViewer = PDFViewer;
|
6360 |
|
6361 | })
|
6362 | ]);
|
6363 | });
|
6364 |
|
\ | No newline at end of file |