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21 |
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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 = undefined;
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28 |
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29 | var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
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30 |
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31 | var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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32 |
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33 | var _ui_utils = require("./ui_utils");
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34 |
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35 | function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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36 |
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37 | var defaultPreferences = null;
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38 | function getDefaultPreferences() {
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39 | if (!defaultPreferences) {
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40 | defaultPreferences = Promise.resolve({
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41 | "showPreviousViewOnLoad": true,
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42 | "defaultZoomValue": "",
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43 | "sidebarViewOnLoad": 0,
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44 | "cursorToolOnLoad": 0,
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45 | "enableWebGL": false,
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46 | "pdfBugEnabled": false,
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47 | "disableRange": false,
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48 | "disableStream": false,
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49 | "disableAutoFetch": false,
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50 | "disableFontFace": false,
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51 | "textLayerMode": 1,
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52 | "useOnlyCssZoom": false,
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53 | "externalLinkTarget": 0,
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54 | "renderer": "canvas",
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55 | "renderInteractiveForms": false,
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56 | "enablePrintAutoRotate": false,
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57 | "disablePageMode": false,
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58 | "disablePageLabels": false
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59 | });
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60 | }
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61 | return defaultPreferences;
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62 | }
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63 |
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64 | var BasePreferences = function () {
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65 | function BasePreferences() {
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66 | var _this = this;
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67 |
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68 | _classCallCheck(this, BasePreferences);
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69 |
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70 | if (this.constructor === BasePreferences) {
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71 | throw new Error('Cannot initialize BasePreferences.');
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72 | }
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73 | this.prefs = null;
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74 | this._initializedPromise = getDefaultPreferences().then(function (defaults) {
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75 | Object.defineProperty(_this, 'defaults', {
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76 | value: Object.freeze(defaults),
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77 | writable: false,
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78 | enumerable: true,
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79 | configurable: false
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80 | });
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81 | _this.prefs = (0, _ui_utils.cloneObj)(defaults);
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82 | return _this._readFromStorage(defaults);
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83 | }).then(function (prefObj) {
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84 | if (prefObj) {
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85 | _this.prefs = prefObj;
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86 | }
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87 | });
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88 | }
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89 |
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90 | _createClass(BasePreferences, [{
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91 | key: "_writeToStorage",
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92 | value: function _writeToStorage(prefObj) {
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93 | return Promise.reject(new Error('Not implemented: _writeToStorage'));
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94 | }
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95 | }, {
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96 | key: "_readFromStorage",
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97 | value: function _readFromStorage(prefObj) {
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98 | return Promise.reject(new Error('Not implemented: _readFromStorage'));
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99 | }
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100 | }, {
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101 | key: "reset",
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102 | value: function reset() {
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103 | var _this2 = this;
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104 |
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105 | return this._initializedPromise.then(function () {
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106 | _this2.prefs = (0, _ui_utils.cloneObj)(_this2.defaults);
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107 | return _this2._writeToStorage(_this2.defaults);
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108 | });
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109 | }
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110 | }, {
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111 | key: "reload",
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112 | value: function reload() {
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113 | var _this3 = this;
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114 |
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115 | return this._initializedPromise.then(function () {
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116 | return _this3._readFromStorage(_this3.defaults);
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117 | }).then(function (prefObj) {
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118 | if (prefObj) {
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119 | _this3.prefs = prefObj;
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120 | }
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121 | });
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122 | }
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123 | }, {
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124 | key: "set",
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125 | value: function set(name, value) {
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126 | var _this4 = this;
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127 |
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128 | return this._initializedPromise.then(function () {
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129 | if (_this4.defaults[name] === undefined) {
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130 | throw new Error("Set preference: \"" + name + "\" is undefined.");
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131 | } else if (value === undefined) {
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132 | throw new Error('Set preference: no value is specified.');
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133 | }
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134 | var valueType = typeof value === "undefined" ? "undefined" : _typeof(value);
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135 | var defaultType = _typeof(_this4.defaults[name]);
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136 | if (valueType !== defaultType) {
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137 | if (valueType === 'number' && defaultType === 'string') {
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138 | value = value.toString();
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139 | } else {
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140 | throw new Error("Set preference: \"" + value + "\" is a " + valueType + ", " + ("expected a " + defaultType + "."));
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141 | }
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142 | } else {
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143 | if (valueType === 'number' && !Number.isInteger(value)) {
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144 | throw new Error("Set preference: \"" + value + "\" must be an integer.");
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145 | }
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146 | }
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147 | _this4.prefs[name] = value;
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148 | return _this4._writeToStorage(_this4.prefs);
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149 | });
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150 | }
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151 | }, {
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152 | key: "get",
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153 | value: function get(name) {
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154 | var _this5 = this;
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155 |
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156 | return this._initializedPromise.then(function () {
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157 | var defaultValue = _this5.defaults[name];
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158 | if (defaultValue === undefined) {
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159 | throw new Error("Get preference: \"" + name + "\" is undefined.");
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160 | } else {
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161 | var prefValue = _this5.prefs[name];
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162 | if (prefValue !== undefined) {
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163 | return prefValue;
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164 | }
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165 | }
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166 | return defaultValue;
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167 | });
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168 | }
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169 | }]);
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170 |
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171 | return BasePreferences;
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172 | }();
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173 |
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174 | exports.BasePreferences = BasePreferences; |
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