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22 | "use strict";
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23 |
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24 | Object.defineProperty(exports, "__esModule", {
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25 | value: true
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26 | });
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27 | exports.BasePreferences = void 0;
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28 |
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29 | var _app_options = require("./app_options.js");
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30 |
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31 | class BasePreferences {
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32 | #defaults = Object.freeze({
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33 | "annotationEditorMode": -1,
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34 | "annotationMode": 2,
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35 | "cursorToolOnLoad": 0,
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36 | "defaultZoomValue": "",
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37 | "disablePageLabels": false,
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38 | "enablePermissions": false,
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39 | "enablePrintAutoRotate": true,
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40 | "enableScripting": true,
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41 | "externalLinkTarget": 0,
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42 | "historyUpdateUrl": false,
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43 | "ignoreDestinationZoom": false,
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44 | "forcePageColors": false,
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45 | "pageColorsBackground": "Canvas",
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46 | "pageColorsForeground": "CanvasText",
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47 | "pdfBugEnabled": false,
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48 | "sidebarViewOnLoad": -1,
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49 | "scrollModeOnLoad": -1,
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50 | "spreadModeOnLoad": -1,
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51 | "textLayerMode": 1,
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52 | "useOnlyCssZoom": false,
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53 | "viewerCssTheme": 0,
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54 | "viewOnLoad": 0,
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55 | "disableAutoFetch": false,
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56 | "disableFontFace": false,
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57 | "disableRange": false,
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58 | "disableStream": false,
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59 | "enableXfa": true,
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60 | "renderer": "canvas"
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61 | });
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62 | #prefs = Object.create(null);
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63 | #initializedPromise = null;
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64 |
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65 | constructor() {
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66 | if (this.constructor === BasePreferences) {
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67 | throw new Error("Cannot initialize BasePreferences.");
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68 | }
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69 |
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70 | this.#initializedPromise = this._readFromStorage(this.#defaults).then(prefs => {
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71 | for (const name in this.#defaults) {
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72 | const prefValue = prefs?.[name];
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73 |
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74 | if (typeof prefValue === typeof this.#defaults[name]) {
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75 | this.#prefs[name] = prefValue;
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76 | }
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77 | }
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78 | });
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79 | }
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80 |
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81 | async _writeToStorage(prefObj) {
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82 | throw new Error("Not implemented: _writeToStorage");
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83 | }
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84 |
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85 | async _readFromStorage(prefObj) {
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86 | throw new Error("Not implemented: _readFromStorage");
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87 | }
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88 |
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89 | async reset() {
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90 | await this.#initializedPromise;
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91 | const prefs = this.#prefs;
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92 | this.#prefs = Object.create(null);
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93 | return this._writeToStorage(this.#defaults).catch(reason => {
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94 | this.#prefs = prefs;
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95 | throw reason;
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96 | });
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97 | }
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98 |
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99 | async set(name, value) {
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100 | await this.#initializedPromise;
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101 | const defaultValue = this.#defaults[name],
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102 | prefs = this.#prefs;
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103 |
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104 | if (defaultValue === undefined) {
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105 | throw new Error(`Set preference: "${name}" is undefined.`);
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106 | } else if (value === undefined) {
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107 | throw new Error("Set preference: no value is specified.");
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108 | }
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109 |
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110 | const valueType = typeof value,
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111 | defaultType = typeof defaultValue;
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112 |
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113 | if (valueType !== defaultType) {
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114 | if (valueType === "number" && defaultType === "string") {
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115 | value = value.toString();
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116 | } else {
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117 | throw new Error(`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`);
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118 | }
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119 | } else {
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120 | if (valueType === "number" && !Number.isInteger(value)) {
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121 | throw new Error(`Set preference: "${value}" must be an integer.`);
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122 | }
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123 | }
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124 |
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125 | this.#prefs[name] = value;
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126 | return this._writeToStorage(this.#prefs).catch(reason => {
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127 | this.#prefs = prefs;
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128 | throw reason;
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129 | });
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130 | }
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131 |
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132 | async get(name) {
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133 | await this.#initializedPromise;
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134 | const defaultValue = this.#defaults[name];
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135 |
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136 | if (defaultValue === undefined) {
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137 | throw new Error(`Get preference: "${name}" is undefined.`);
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138 | }
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139 |
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140 | return this.#prefs[name] ?? defaultValue;
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141 | }
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142 |
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143 | async getAll() {
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144 | await this.#initializedPromise;
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145 | const obj = Object.create(null);
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146 |
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147 | for (const name in this.#defaults) {
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148 | obj[name] = this.#prefs[name] ?? this.#defaults[name];
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149 | }
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150 |
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151 | return obj;
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152 | }
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153 |
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154 | }
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155 |
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156 | exports.BasePreferences = BasePreferences; |
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