Generic build of PDF.js library.
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/**
* @licstart The following is the entire license notice for the
* Javascript code in this page
*
* Copyright 2017 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @licend The above is the entire license notice for the
* Javascript code in this page
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.BasePreferences = undefined;
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; };
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; }; }();
var _ui_utils = require("./ui_utils");
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var defaultPreferences = null;
function getDefaultPreferences() {
if (!defaultPreferences) {
defaultPreferences = Promise.resolve({
"showPreviousViewOnLoad": true,
"defaultZoomValue": "",
"sidebarViewOnLoad": 0,
"cursorToolOnLoad": 0,
"enableWebGL": false,
"pdfBugEnabled": false,
"disableRange": false,
"disableStream": false,
"disableAutoFetch": false,
"disableFontFace": false,
"textLayerMode": 1,
"useOnlyCssZoom": false,
"externalLinkTarget": 0,
"renderer": "canvas",
"renderInteractiveForms": false,
"enablePrintAutoRotate": false,
"disablePageMode": false,
"disablePageLabels": false
});
}
return defaultPreferences;
}
var BasePreferences = function () {
function BasePreferences() {
var _this = this;
_classCallCheck(this, BasePreferences);
if (this.constructor === BasePreferences) {
throw new Error('Cannot initialize BasePreferences.');
}
this.prefs = null;
this._initializedPromise = getDefaultPreferences().then(function (defaults) {
Object.defineProperty(_this, 'defaults', {
value: Object.freeze(defaults),
writable: false,
enumerable: true,
configurable: false
});
_this.prefs = (0, _ui_utils.cloneObj)(defaults);
return _this._readFromStorage(defaults);
}).then(function (prefObj) {
if (prefObj) {
_this.prefs = prefObj;
}
});
}
_createClass(BasePreferences, [{
key: "_writeToStorage",
value: function _writeToStorage(prefObj) {
return Promise.reject(new Error('Not implemented: _writeToStorage'));
}
}, {
key: "_readFromStorage",
value: function _readFromStorage(prefObj) {
return Promise.reject(new Error('Not implemented: _readFromStorage'));
}
}, {
key: "reset",
value: function reset() {
var _this2 = this;
return this._initializedPromise.then(function () {
_this2.prefs = (0, _ui_utils.cloneObj)(_this2.defaults);
return _this2._writeToStorage(_this2.defaults);
});
}
}, {
key: "reload",
value: function reload() {
var _this3 = this;
return this._initializedPromise.then(function () {
return _this3._readFromStorage(_this3.defaults);
}).then(function (prefObj) {
if (prefObj) {
_this3.prefs = prefObj;
}
});
}
}, {
key: "set",
value: function set(name, value) {
var _this4 = this;
return this._initializedPromise.then(function () {
if (_this4.defaults[name] === undefined) {
throw new Error("Set preference: \"" + name + "\" is undefined.");
} else if (value === undefined) {
throw new Error('Set preference: no value is specified.');
}
var valueType = typeof value === "undefined" ? "undefined" : _typeof(value);
var defaultType = _typeof(_this4.defaults[name]);
if (valueType !== defaultType) {
if (valueType === 'number' && defaultType === 'string') {
value = value.toString();
} else {
throw new Error("Set preference: \"" + value + "\" is a " + valueType + ", " + ("expected a " + defaultType + "."));
}
} else {
if (valueType === 'number' && !Number.isInteger(value)) {
throw new Error("Set preference: \"" + value + "\" must be an integer.");
}
}
_this4.prefs[name] = value;
return _this4._writeToStorage(_this4.prefs);
});
}
}, {
key: "get",
value: function get(name) {
var _this5 = this;
return this._initializedPromise.then(function () {
var defaultValue = _this5.defaults[name];
if (defaultValue === undefined) {
throw new Error("Get preference: \"" + name + "\" is undefined.");
} else {
var prefValue = _this5.prefs[name];
if (prefValue !== undefined) {
return prefValue;
}
}
return defaultValue;
});
}
}]);
return BasePreferences;
}();
exports.BasePreferences = BasePreferences;