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102 lines
3.6 KiB
102 lines
3.6 KiB
// -*- indent-tabs-mode: nil; js-indent-level: 2 -*- |
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/* This Source Code Form is subject to the terms of the Mozilla Public |
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* License, v. 2.0. If a copy of the MPL was not distributed with this |
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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"use strict"; |
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const { classes: Cc, interfaces: Ci, utils: Cu } = Components; |
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this.EXPORTED_SYMBOLS = [ "ReaderParent" ]; |
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Cu.import("resource://gre/modules/XPCOMUtils.jsm"); |
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Cu.import("resource://gre/modules/Services.jsm"); |
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XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils", "resource://gre/modules/PlacesUtils.jsm"); |
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XPCOMUtils.defineLazyModuleGetter(this, "ReaderMode", "resource://gre/modules/ReaderMode.jsm"); |
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const gStringBundle = Services.strings.createBundle("chrome://global/locale/aboutReader.properties"); |
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var ReaderParent = { |
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MESSAGES: [ |
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"Reader:UpdateReaderButton", |
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], |
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init() { |
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let mm = Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageListenerManager); |
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for (let msg of this.MESSAGES) { |
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mm.addMessageListener(msg, this); |
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} |
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}, |
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receiveMessage(message) { |
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switch (message.name) { |
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case "Reader:UpdateReaderButton": { |
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let browser = message.target; |
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if (message.data && message.data.isArticle !== undefined) { |
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browser.isArticle = message.data.isArticle; |
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} |
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this.updateReaderButton(browser); |
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break; |
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} |
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} |
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}, |
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updateReaderButton(browser) { |
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let win = browser.ownerGlobal; |
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if (browser != win.gBrowser.selectedBrowser) { |
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return; |
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} |
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let button = win.document.getElementById("reader-mode-button"); |
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let command = win.document.getElementById("View:ReaderView"); |
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let key = win.document.getElementById("key_toggleReaderMode"); |
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// aria-reader is not a real ARIA attribute. However, this will cause |
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// Gecko accessibility to expose the "reader" object attribute. We do this |
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// so that the reader state is easy for accessibility clients to access |
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// programmatically. |
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if (browser.currentURI.spec.startsWith("about:reader")) { |
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button.setAttribute("readeractive", true); |
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button.hidden = false; |
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let closeText = gStringBundle.GetStringFromName("readerView.close"); |
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button.setAttribute("tooltiptext", closeText); |
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command.setAttribute("label", closeText); |
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command.setAttribute("hidden", false); |
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command.setAttribute("accesskey", gStringBundle.GetStringFromName("readerView.close.accesskey")); |
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key.setAttribute("disabled", false); |
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browser.setAttribute("aria-reader", "active"); |
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} else { |
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button.removeAttribute("readeractive"); |
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button.hidden = !browser.isArticle; |
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let enterText = gStringBundle.GetStringFromName("readerView.enter"); |
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button.setAttribute("tooltiptext", enterText); |
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command.setAttribute("label", enterText); |
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command.setAttribute("hidden", !browser.isArticle); |
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command.setAttribute("accesskey", gStringBundle.GetStringFromName("readerView.enter.accesskey")); |
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key.setAttribute("disabled", !browser.isArticle); |
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if (browser.isArticle) { |
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browser.setAttribute("aria-reader", "available"); |
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} else { |
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browser.removeAttribute("aria-reader"); |
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} |
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} |
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}, |
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forceShowReaderIcon(browser) { |
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browser.isArticle = true; |
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this.updateReaderButton(browser); |
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}, |
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buttonClick(event) { |
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if (event.button != 0) { |
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return; |
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} |
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this.toggleReaderMode(event); |
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}, |
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toggleReaderMode(event) { |
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let win = event.target.ownerGlobal; |
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let browser = win.gBrowser.selectedBrowser; |
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browser.messageManager.sendAsyncMessage("Reader:ToggleReaderMode"); |
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} |
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};
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