454 lines
11 KiB
JavaScript
454 lines
11 KiB
JavaScript
/**
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* @licstart The following is the entire license notice for the
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* JavaScript code in this page
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*
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* Copyright 2022 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.FirefoxCom = exports.DownloadManager = void 0;
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require("../extensions/firefox/tools/l10n.js");
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var _app = require("./app.js");
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var _pdf = require("../pdf");
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var _preferences = require("./preferences.js");
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var _ui_utils = require("./ui_utils.js");
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var _l10n_utils = require("./l10n_utils.js");
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{
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throw new Error('Module "./firefoxcom.js" shall not be used outside MOZCENTRAL builds.');
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}
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class FirefoxCom {
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static requestSync(action, data) {
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const request = document.createTextNode("");
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document.documentElement.append(request);
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const sender = document.createEvent("CustomEvent");
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sender.initCustomEvent("pdf.js.message", true, false, {
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action,
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data,
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sync: true
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});
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request.dispatchEvent(sender);
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const response = sender.detail.response;
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request.remove();
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return response;
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}
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static requestAsync(action, data) {
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return new Promise(resolve => {
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this.request(action, data, resolve);
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});
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}
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static request(action, data, callback = null) {
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const request = document.createTextNode("");
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if (callback) {
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request.addEventListener("pdf.js.response", event => {
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const response = event.detail.response;
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event.target.remove();
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callback(response);
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}, {
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once: true
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});
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}
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document.documentElement.append(request);
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const sender = document.createEvent("CustomEvent");
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sender.initCustomEvent("pdf.js.message", true, false, {
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action,
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data,
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sync: false,
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responseExpected: !!callback
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});
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request.dispatchEvent(sender);
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}
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}
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exports.FirefoxCom = FirefoxCom;
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class DownloadManager {
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constructor() {
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this._openBlobUrls = new WeakMap();
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}
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downloadUrl(url, filename) {
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FirefoxCom.request("download", {
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originalUrl: url,
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filename
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});
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}
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downloadData(data, filename, contentType) {
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const blobUrl = URL.createObjectURL(new Blob([data], {
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type: contentType
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}));
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FirefoxCom.request("download", {
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blobUrl,
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originalUrl: blobUrl,
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filename,
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isAttachment: true
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});
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}
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openOrDownloadData(element, data, filename) {
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const isPdfData = (0, _pdf.isPdfFile)(filename);
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const contentType = isPdfData ? "application/pdf" : "";
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if (isPdfData) {
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let blobUrl = this._openBlobUrls.get(element);
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if (!blobUrl) {
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blobUrl = URL.createObjectURL(new Blob([data], {
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type: contentType
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}));
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this._openBlobUrls.set(element, blobUrl);
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}
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const viewerUrl = blobUrl + "#filename=" + encodeURIComponent(filename);
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try {
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window.open(viewerUrl);
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return true;
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} catch (ex) {
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console.error(`openOrDownloadData: ${ex}`);
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URL.revokeObjectURL(blobUrl);
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this._openBlobUrls.delete(element);
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}
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}
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this.downloadData(data, filename, contentType);
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return false;
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}
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download(blob, url, filename) {
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const blobUrl = URL.createObjectURL(blob);
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FirefoxCom.request("download", {
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blobUrl,
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originalUrl: url,
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filename
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});
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}
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}
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exports.DownloadManager = DownloadManager;
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class FirefoxPreferences extends _preferences.BasePreferences {
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async _writeToStorage(prefObj) {
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return FirefoxCom.requestAsync("setPreferences", prefObj);
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}
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async _readFromStorage(prefObj) {
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const prefStr = await FirefoxCom.requestAsync("getPreferences", prefObj);
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return JSON.parse(prefStr);
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}
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}
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class MozL10n {
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constructor(mozL10n) {
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this.mozL10n = mozL10n;
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}
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async getLanguage() {
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return this.mozL10n.getLanguage();
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}
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async getDirection() {
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return this.mozL10n.getDirection();
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}
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async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) {
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return this.mozL10n.get(key, args, fallback);
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}
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async translate(element) {
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this.mozL10n.translate(element);
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}
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}
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(function listenFindEvents() {
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const events = ["find", "findagain", "findhighlightallchange", "findcasesensitivitychange", "findentirewordchange", "findbarclose", "finddiacriticmatchingchange"];
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const findLen = "find".length;
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const handleEvent = function ({
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type,
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detail
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}) {
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if (!_app.PDFViewerApplication.initialized) {
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return;
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}
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if (type === "findbarclose") {
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_app.PDFViewerApplication.eventBus.dispatch(type, {
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source: window
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});
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return;
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}
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_app.PDFViewerApplication.eventBus.dispatch("find", {
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source: window,
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type: type.substring(findLen),
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query: detail.query,
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phraseSearch: true,
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caseSensitive: !!detail.caseSensitive,
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entireWord: !!detail.entireWord,
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highlightAll: !!detail.highlightAll,
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findPrevious: !!detail.findPrevious,
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matchDiacritics: !!detail.matchDiacritics
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});
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};
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for (const event of events) {
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window.addEventListener(event, handleEvent);
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}
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})();
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(function listenZoomEvents() {
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const events = ["zoomin", "zoomout", "zoomreset"];
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const handleEvent = function ({
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type,
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detail
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}) {
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if (!_app.PDFViewerApplication.initialized) {
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return;
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}
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if (type === "zoomreset" && _app.PDFViewerApplication.pdfViewer.currentScaleValue === _ui_utils.DEFAULT_SCALE_VALUE) {
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return;
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}
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_app.PDFViewerApplication.eventBus.dispatch(type, {
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source: window
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});
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};
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for (const event of events) {
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window.addEventListener(event, handleEvent);
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}
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})();
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(function listenSaveEvent() {
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const handleEvent = function ({
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type,
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detail
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}) {
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if (!_app.PDFViewerApplication.initialized) {
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return;
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}
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_app.PDFViewerApplication.eventBus.dispatch("download", {
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source: window
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});
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};
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window.addEventListener("save", handleEvent);
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})();
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(function listenEditingEvent() {
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const handleEvent = function ({
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detail
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}) {
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if (!_app.PDFViewerApplication.initialized) {
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return;
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}
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_app.PDFViewerApplication.eventBus.dispatch("editingaction", {
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source: window,
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name: detail.name
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});
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};
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window.addEventListener("editingaction", handleEvent);
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})();
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class FirefoxComDataRangeTransport extends _pdf.PDFDataRangeTransport {
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requestDataRange(begin, end) {
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FirefoxCom.request("requestDataRange", {
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begin,
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end
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});
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}
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abort() {
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FirefoxCom.requestSync("abortLoading", null);
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}
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}
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class FirefoxScripting {
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static async createSandbox(data) {
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const success = await FirefoxCom.requestAsync("createSandbox", data);
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if (!success) {
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throw new Error("Cannot create sandbox.");
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}
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}
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static async dispatchEventInSandbox(event) {
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FirefoxCom.request("dispatchEventInSandbox", event);
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}
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static async destroySandbox() {
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FirefoxCom.request("destroySandbox", null);
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}
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}
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class FirefoxExternalServices extends _app.DefaultExternalServices {
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static updateFindControlState(data) {
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FirefoxCom.request("updateFindControlState", data);
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}
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static updateFindMatchesCount(data) {
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FirefoxCom.request("updateFindMatchesCount", data);
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}
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static initPassiveLoading(callbacks) {
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let pdfDataRangeTransport;
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window.addEventListener("message", function windowMessage(e) {
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if (e.source !== null) {
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console.warn("Rejected untrusted message from " + e.origin);
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return;
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}
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const args = e.data;
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if (typeof args !== "object" || !("pdfjsLoadAction" in args)) {
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return;
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}
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switch (args.pdfjsLoadAction) {
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case "supportsRangedLoading":
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if (args.done && !args.data) {
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callbacks.onError();
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break;
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}
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pdfDataRangeTransport = new FirefoxComDataRangeTransport(args.length, args.data, args.done, args.filename);
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callbacks.onOpenWithTransport(args.pdfUrl, args.length, pdfDataRangeTransport);
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break;
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case "range":
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pdfDataRangeTransport.onDataRange(args.begin, args.chunk);
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break;
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case "rangeProgress":
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pdfDataRangeTransport.onDataProgress(args.loaded);
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break;
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case "progressiveRead":
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pdfDataRangeTransport.onDataProgressiveRead(args.chunk);
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pdfDataRangeTransport.onDataProgress(args.loaded, args.total);
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break;
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case "progressiveDone":
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pdfDataRangeTransport?.onDataProgressiveDone();
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break;
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case "progress":
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callbacks.onProgress(args.loaded, args.total);
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break;
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case "complete":
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if (!args.data) {
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callbacks.onError(args.errorCode);
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break;
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}
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callbacks.onOpenWithData(args.data, args.filename);
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break;
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}
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});
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FirefoxCom.requestSync("initPassiveLoading", null);
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}
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static reportTelemetry(data) {
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FirefoxCom.request("reportTelemetry", JSON.stringify(data));
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}
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static createDownloadManager(options) {
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return new DownloadManager();
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}
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static createPreferences() {
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return new FirefoxPreferences();
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}
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static updateEditorStates(data) {
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FirefoxCom.request("updateEditorStates", data);
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}
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static createL10n(options) {
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const mozL10n = document.mozL10n;
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return new MozL10n(mozL10n);
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}
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static createScripting(options) {
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return FirefoxScripting;
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}
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static get supportsIntegratedFind() {
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const support = FirefoxCom.requestSync("supportsIntegratedFind");
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return (0, _pdf.shadow)(this, "supportsIntegratedFind", support);
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}
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static get supportsDocumentFonts() {
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const support = FirefoxCom.requestSync("supportsDocumentFonts");
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return (0, _pdf.shadow)(this, "supportsDocumentFonts", support);
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}
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static get supportedMouseWheelZoomModifierKeys() {
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const support = FirefoxCom.requestSync("supportedMouseWheelZoomModifierKeys");
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return (0, _pdf.shadow)(this, "supportedMouseWheelZoomModifierKeys", support);
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}
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static get isInAutomation() {
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const isInAutomation = FirefoxCom.requestSync("isInAutomation");
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return (0, _pdf.shadow)(this, "isInAutomation", isInAutomation);
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}
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}
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_app.PDFViewerApplication.externalServices = FirefoxExternalServices;
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document.mozL10n.setExternalLocalizerServices({
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getLocale() {
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return FirefoxCom.requestSync("getLocale", null);
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},
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getStrings(key) {
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return FirefoxCom.requestSync("getStrings", null);
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}
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}); |