forked from mirrors/gecko-dev
688 lines
20 KiB
JavaScript
688 lines
20 KiB
JavaScript
/* -*- 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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/* This content script contains code that requires a tab browser. */
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var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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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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Cu.import("resource://gre/modules/ExtensionContent.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "E10SUtils",
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"resource:///modules/E10SUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
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"resource://gre/modules/BrowserUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
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"resource://gre/modules/PrivateBrowsingUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "AboutReader",
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"resource://gre/modules/AboutReader.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "ReaderMode",
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"resource://gre/modules/ReaderMode.jsm");
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XPCOMUtils.defineLazyGetter(this, "SimpleServiceDiscovery", function() {
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let ssdp = Cu.import("resource://gre/modules/SimpleServiceDiscovery.jsm", {}).SimpleServiceDiscovery;
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// Register targets
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ssdp.registerDevice({
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id: "roku:ecp",
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target: "roku:ecp",
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factory: function(aService) {
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Cu.import("resource://gre/modules/RokuApp.jsm");
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return new RokuApp(aService);
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},
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types: ["video/mp4"],
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extensions: ["mp4"]
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});
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return ssdp;
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});
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// TabChildGlobal
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var global = this;
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addMessageListener("Browser:HideSessionRestoreButton", function (message) {
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// Hide session restore button on about:home
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let doc = content.document;
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let container;
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if (doc.documentURI.toLowerCase() == "about:home" &&
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(container = doc.getElementById("sessionRestoreContainer"))) {
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container.hidden = true;
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}
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});
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addMessageListener("Browser:Reload", function(message) {
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/* First, we'll try to use the session history object to reload so
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* that framesets are handled properly. If we're in a special
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* window (such as view-source) that has no session history, fall
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* back on using the web navigation's reload method.
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*/
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let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
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try {
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let sh = webNav.sessionHistory;
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if (sh)
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webNav = sh.QueryInterface(Ci.nsIWebNavigation);
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} catch (e) {
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}
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let reloadFlags = message.data.flags;
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let handlingUserInput;
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try {
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handlingUserInput = content.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils)
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.setHandlingUserInput(message.data.handlingUserInput);
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webNav.reload(reloadFlags);
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} catch (e) {
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} finally {
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handlingUserInput.destruct();
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}
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});
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addMessageListener("MixedContent:ReenableProtection", function() {
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docShell.mixedContentChannel = null;
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});
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addMessageListener("SecondScreen:tab-mirror", function(message) {
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if (!Services.prefs.getBoolPref("browser.casting.enabled")) {
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return;
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}
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let app = SimpleServiceDiscovery.findAppForService(message.data.service);
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if (app) {
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let width = content.innerWidth;
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let height = content.innerHeight;
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let viewport = {cssWidth: width, cssHeight: height, width: width, height: height};
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app.mirror(function() {}, content, viewport, function() {}, content);
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}
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});
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var AboutHomeListener = {
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init: function(chromeGlobal) {
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chromeGlobal.addEventListener('AboutHomeLoad', this, false, true);
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},
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get isAboutHome() {
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return content.document.documentURI.toLowerCase() == "about:home";
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},
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handleEvent: function(aEvent) {
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if (!this.isAboutHome) {
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return;
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}
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switch (aEvent.type) {
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case "AboutHomeLoad":
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this.onPageLoad();
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break;
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case "click":
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this.onClick(aEvent);
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break;
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case "pagehide":
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this.onPageHide(aEvent);
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break;
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}
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},
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receiveMessage: function(aMessage) {
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if (!this.isAboutHome) {
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return;
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}
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switch (aMessage.name) {
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case "AboutHome:Update":
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this.onUpdate(aMessage.data);
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break;
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}
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},
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onUpdate: function(aData) {
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let doc = content.document;
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if (aData.showRestoreLastSession && !PrivateBrowsingUtils.isContentWindowPrivate(content))
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doc.getElementById("launcher").setAttribute("session", "true");
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// Inject search engine and snippets URL.
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let docElt = doc.documentElement;
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// Set snippetsVersion last, which triggers to show the snippets when it's set.
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docElt.setAttribute("snippetsURL", aData.snippetsURL);
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if (aData.showKnowYourRights)
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docElt.setAttribute("showKnowYourRights", "true");
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docElt.setAttribute("snippetsVersion", aData.snippetsVersion);
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},
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onPageLoad: function() {
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let doc = content.document;
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if (doc.documentElement.hasAttribute("hasBrowserHandlers")) {
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return;
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}
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doc.documentElement.setAttribute("hasBrowserHandlers", "true");
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addMessageListener("AboutHome:Update", this);
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addEventListener("click", this, true);
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addEventListener("pagehide", this, true);
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sendAsyncMessage("AboutHome:RequestUpdate");
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},
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onClick: function(aEvent) {
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if (!aEvent.isTrusted || // Don't trust synthetic events
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aEvent.button == 2 || aEvent.target.localName != "button") {
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return;
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}
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let originalTarget = aEvent.originalTarget;
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let ownerDoc = originalTarget.ownerDocument;
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if (ownerDoc.documentURI != "about:home") {
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// This shouldn't happen, but we're being defensive.
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return;
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}
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let elmId = originalTarget.getAttribute("id");
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switch (elmId) {
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case "restorePreviousSession":
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sendAsyncMessage("AboutHome:RestorePreviousSession");
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ownerDoc.getElementById("launcher").removeAttribute("session");
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break;
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case "downloads":
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sendAsyncMessage("AboutHome:Downloads");
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break;
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case "bookmarks":
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sendAsyncMessage("AboutHome:Bookmarks");
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break;
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case "history":
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sendAsyncMessage("AboutHome:History");
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break;
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case "apps":
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sendAsyncMessage("AboutHome:Apps");
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break;
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case "addons":
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sendAsyncMessage("AboutHome:Addons");
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break;
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case "sync":
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sendAsyncMessage("AboutHome:Sync");
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break;
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case "settings":
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sendAsyncMessage("AboutHome:Settings");
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break;
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}
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},
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onPageHide: function(aEvent) {
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if (aEvent.target.defaultView.frameElement) {
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return;
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}
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removeMessageListener("AboutHome:Update", this);
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removeEventListener("click", this, true);
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removeEventListener("pagehide", this, true);
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if (aEvent.target.documentElement) {
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aEvent.target.documentElement.removeAttribute("hasBrowserHandlers");
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}
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},
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};
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AboutHomeListener.init(this);
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var AboutPrivateBrowsingListener = {
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init(chromeGlobal) {
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chromeGlobal.addEventListener("AboutPrivateBrowsingOpenWindow", this,
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false, true);
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chromeGlobal.addEventListener("AboutPrivateBrowsingToggleTrackingProtection", this,
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false, true);
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},
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get isAboutPrivateBrowsing() {
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return content.document.documentURI.toLowerCase() == "about:privatebrowsing";
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},
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handleEvent(aEvent) {
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if (!this.isAboutPrivateBrowsing) {
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return;
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}
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switch (aEvent.type) {
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case "AboutPrivateBrowsingOpenWindow":
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sendAsyncMessage("AboutPrivateBrowsing:OpenPrivateWindow");
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break;
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case "AboutPrivateBrowsingToggleTrackingProtection":
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sendAsyncMessage("AboutPrivateBrowsing:ToggleTrackingProtection");
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break;
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}
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},
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};
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AboutPrivateBrowsingListener.init(this);
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var AboutReaderListener = {
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_articlePromise: null,
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init: function() {
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addEventListener("AboutReaderContentLoaded", this, false, true);
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addEventListener("DOMContentLoaded", this, false);
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addEventListener("pageshow", this, false);
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addEventListener("pagehide", this, false);
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addMessageListener("Reader:ParseDocument", this);
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addMessageListener("Reader:PushState", this);
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},
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receiveMessage: function(message) {
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switch (message.name) {
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case "Reader:ParseDocument":
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this._articlePromise = ReaderMode.parseDocument(content.document).catch(Cu.reportError);
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content.document.location = "about:reader?url=" + encodeURIComponent(message.data.url);
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break;
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case "Reader:PushState":
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this.updateReaderButton(!!(message.data && message.data.isArticle));
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break;
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}
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},
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get isAboutReader() {
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if (!content) {
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return false;
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}
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return content.document.documentURI.startsWith("about:reader");
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},
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handleEvent: function(aEvent) {
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if (aEvent.originalTarget.defaultView != content) {
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return;
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}
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switch (aEvent.type) {
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case "AboutReaderContentLoaded":
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if (!this.isAboutReader) {
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return;
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}
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if (content.document.body) {
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// Update the toolbar icon to show the "reader active" icon.
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sendAsyncMessage("Reader:UpdateReaderButton");
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new AboutReader(global, content, this._articlePromise);
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this._articlePromise = null;
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}
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break;
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case "pagehide":
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this.cancelPotentialPendingReadabilityCheck();
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sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: false });
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break;
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case "pageshow":
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// If a page is loaded from the bfcache, we won't get a "DOMContentLoaded"
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// event, so we need to rely on "pageshow" in this case.
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if (aEvent.persisted) {
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this.updateReaderButton();
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}
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break;
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case "DOMContentLoaded":
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this.updateReaderButton();
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break;
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}
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},
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/**
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* NB: this function will update the state of the reader button asynchronously
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* after the next mozAfterPaint call (assuming reader mode is enabled and
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* this is a suitable document). Calling it on things which won't be
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* painted is not going to work.
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*/
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updateReaderButton: function(forceNonArticle) {
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if (!ReaderMode.isEnabledForParseOnLoad || this.isAboutReader ||
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!content || !(content.document instanceof content.HTMLDocument) ||
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content.document.mozSyntheticDocument) {
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return;
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}
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this.scheduleReadabilityCheckPostPaint(forceNonArticle);
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},
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cancelPotentialPendingReadabilityCheck: function() {
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if (this._pendingReadabilityCheck) {
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removeEventListener("MozAfterPaint", this._pendingReadabilityCheck);
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delete this._pendingReadabilityCheck;
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}
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},
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scheduleReadabilityCheckPostPaint: function(forceNonArticle) {
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if (this._pendingReadabilityCheck) {
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// We need to stop this check before we re-add one because we don't know
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// if forceNonArticle was true or false last time.
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this.cancelPotentialPendingReadabilityCheck();
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}
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this._pendingReadabilityCheck = this.onPaintWhenWaitedFor.bind(this, forceNonArticle);
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addEventListener("MozAfterPaint", this._pendingReadabilityCheck);
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},
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onPaintWhenWaitedFor: function(forceNonArticle) {
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this.cancelPotentialPendingReadabilityCheck();
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// Only send updates when there are articles; there's no point updating with
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// |false| all the time.
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if (ReaderMode.isProbablyReaderable(content.document)) {
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sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: true });
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} else if (forceNonArticle) {
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sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: false });
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}
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},
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};
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AboutReaderListener.init();
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var ContentSearchMediator = {
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whitelist: new Set([
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"about:home",
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"about:newtab",
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]),
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init: function (chromeGlobal) {
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chromeGlobal.addEventListener("ContentSearchClient", this, true, true);
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addMessageListener("ContentSearch", this);
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},
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handleEvent: function (event) {
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if (this._contentWhitelisted) {
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this._sendMsg(event.detail.type, event.detail.data);
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}
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},
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receiveMessage: function (msg) {
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if (msg.data.type == "AddToWhitelist") {
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for (let uri of msg.data.data) {
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this.whitelist.add(uri);
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}
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this._sendMsg("AddToWhitelistAck");
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return;
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}
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if (this._contentWhitelisted) {
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this._fireEvent(msg.data.type, msg.data.data);
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}
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},
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get _contentWhitelisted() {
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return this.whitelist.has(content.document.documentURI);
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},
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_sendMsg: function (type, data=null) {
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sendAsyncMessage("ContentSearch", {
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type: type,
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data: data,
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});
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},
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_fireEvent: function (type, data=null) {
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let event = Cu.cloneInto({
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detail: {
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type: type,
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data: data,
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},
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}, content);
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content.dispatchEvent(new content.CustomEvent("ContentSearchService",
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event));
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},
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};
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ContentSearchMediator.init(this);
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var PageStyleHandler = {
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init: function() {
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addMessageListener("PageStyle:Switch", this);
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addMessageListener("PageStyle:Disable", this);
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addEventListener("pageshow", () => this.sendStyleSheetInfo());
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},
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get markupDocumentViewer() {
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return docShell.contentViewer;
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},
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sendStyleSheetInfo: function() {
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let filteredStyleSheets = this._filterStyleSheets(this.getAllStyleSheets());
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sendAsyncMessage("PageStyle:StyleSheets", {
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filteredStyleSheets: filteredStyleSheets,
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authorStyleDisabled: this.markupDocumentViewer.authorStyleDisabled,
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preferredStyleSheetSet: content.document.preferredStyleSheetSet
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});
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},
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getAllStyleSheets: function(frameset = content) {
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let selfSheets = Array.slice(frameset.document.styleSheets);
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let subSheets = Array.map(frameset.frames, frame => this.getAllStyleSheets(frame));
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return selfSheets.concat(...subSheets);
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},
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receiveMessage: function(msg) {
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switch (msg.name) {
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case "PageStyle:Switch":
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this.markupDocumentViewer.authorStyleDisabled = false;
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this._stylesheetSwitchAll(content, msg.data.title);
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break;
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case "PageStyle:Disable":
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this.markupDocumentViewer.authorStyleDisabled = true;
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break;
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}
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this.sendStyleSheetInfo();
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},
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_stylesheetSwitchAll: function (frameset, title) {
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if (!title || this._stylesheetInFrame(frameset, title)) {
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this._stylesheetSwitchFrame(frameset, title);
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}
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for (let i = 0; i < frameset.frames.length; i++) {
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// Recurse into sub-frames.
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this._stylesheetSwitchAll(frameset.frames[i], title);
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}
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},
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_stylesheetSwitchFrame: function (frame, title) {
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var docStyleSheets = frame.document.styleSheets;
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for (let i = 0; i < docStyleSheets.length; ++i) {
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let docStyleSheet = docStyleSheets[i];
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if (docStyleSheet.title) {
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docStyleSheet.disabled = (docStyleSheet.title != title);
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} else if (docStyleSheet.disabled) {
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docStyleSheet.disabled = false;
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}
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}
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},
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_stylesheetInFrame: function (frame, title) {
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return Array.some(frame.document.styleSheets, (styleSheet) => styleSheet.title == title);
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},
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_filterStyleSheets: function(styleSheets) {
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let result = [];
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for (let currentStyleSheet of styleSheets) {
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if (!currentStyleSheet.title)
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continue;
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// Skip any stylesheets that don't match the screen media type.
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if (currentStyleSheet.media.length > 0) {
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let mediaQueryList = currentStyleSheet.media.mediaText;
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if (!content.matchMedia(mediaQueryList).matches) {
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continue;
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}
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}
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let URI;
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try {
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URI = Services.io.newURI(currentStyleSheet.href, null, null);
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} catch(e) {
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if (e.result != Cr.NS_ERROR_MALFORMED_URI) {
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throw e;
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}
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}
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if (URI) {
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// We won't send data URIs all of the way up to the parent, as these
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// can be arbitrarily large.
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let sentURI = URI.scheme == "data" ? null : URI.spec;
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result.push({
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title: currentStyleSheet.title,
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disabled: currentStyleSheet.disabled,
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href: sentURI,
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});
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}
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}
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return result;
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},
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};
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PageStyleHandler.init();
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// Keep a reference to the translation content handler to avoid it it being GC'ed.
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var trHandler = null;
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if (Services.prefs.getBoolPref("browser.translation.detectLanguage")) {
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Cu.import("resource:///modules/translation/TranslationContentHandler.jsm");
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trHandler = new TranslationContentHandler(global, docShell);
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}
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function gKeywordURIFixup(fixupInfo) {
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fixupInfo.QueryInterface(Ci.nsIURIFixupInfo);
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if (!fixupInfo.consumer) {
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return;
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|
}
|
|
|
|
// Ignore info from other docshells
|
|
let parent = fixupInfo.consumer.QueryInterface(Ci.nsIDocShellTreeItem).sameTypeRootTreeItem;
|
|
if (parent != docShell)
|
|
return;
|
|
|
|
let data = {};
|
|
for (let f of Object.keys(fixupInfo)) {
|
|
if (f == "consumer" || typeof fixupInfo[f] == "function")
|
|
continue;
|
|
|
|
if (fixupInfo[f] && fixupInfo[f] instanceof Ci.nsIURI) {
|
|
data[f] = fixupInfo[f].spec;
|
|
} else {
|
|
data[f] = fixupInfo[f];
|
|
}
|
|
}
|
|
|
|
sendAsyncMessage("Browser:URIFixup", data);
|
|
}
|
|
Services.obs.addObserver(gKeywordURIFixup, "keyword-uri-fixup", false);
|
|
addEventListener("unload", () => {
|
|
Services.obs.removeObserver(gKeywordURIFixup, "keyword-uri-fixup");
|
|
}, false);
|
|
|
|
addMessageListener("Browser:AppTab", function(message) {
|
|
if (docShell) {
|
|
docShell.isAppTab = message.data.isAppTab;
|
|
}
|
|
});
|
|
|
|
var WebBrowserChrome = {
|
|
onBeforeLinkTraversal: function(originalTarget, linkURI, linkNode, isAppTab) {
|
|
return BrowserUtils.onBeforeLinkTraversal(originalTarget, linkURI, linkNode, isAppTab);
|
|
},
|
|
|
|
// Check whether this URI should load in the current process
|
|
shouldLoadURI: function(aDocShell, aURI, aReferrer) {
|
|
if (!E10SUtils.shouldLoadURI(aDocShell, aURI, aReferrer)) {
|
|
E10SUtils.redirectLoad(aDocShell, aURI, aReferrer);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
};
|
|
|
|
if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
|
|
let tabchild = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsITabChild);
|
|
tabchild.webBrowserChrome = WebBrowserChrome;
|
|
}
|
|
|
|
|
|
var DOMFullscreenHandler = {
|
|
_fullscreenDoc: null,
|
|
|
|
init: function() {
|
|
addMessageListener("DOMFullscreen:Entered", this);
|
|
addMessageListener("DOMFullscreen:CleanUp", this);
|
|
addEventListener("MozDOMFullscreen:Request", this);
|
|
addEventListener("MozDOMFullscreen:Entered", this);
|
|
addEventListener("MozDOMFullscreen:NewOrigin", this);
|
|
addEventListener("MozDOMFullscreen:Exit", this);
|
|
addEventListener("MozDOMFullscreen:Exited", this);
|
|
},
|
|
|
|
get _windowUtils() {
|
|
return content.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
},
|
|
|
|
receiveMessage: function(aMessage) {
|
|
switch(aMessage.name) {
|
|
case "DOMFullscreen:Entered": {
|
|
if (!this._windowUtils.handleFullscreenRequests() &&
|
|
!content.document.mozFullScreen) {
|
|
// If we don't actually have any pending fullscreen request
|
|
// to handle, neither we have been in fullscreen, tell the
|
|
// parent to just exit.
|
|
sendAsyncMessage("DOMFullscreen:Exit");
|
|
}
|
|
break;
|
|
}
|
|
case "DOMFullscreen:CleanUp": {
|
|
this._windowUtils.exitFullscreen();
|
|
this._fullscreenDoc = null;
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
handleEvent: function(aEvent) {
|
|
switch (aEvent.type) {
|
|
case "MozDOMFullscreen:Request": {
|
|
sendAsyncMessage("DOMFullscreen:Request");
|
|
break;
|
|
}
|
|
case "MozDOMFullscreen:NewOrigin": {
|
|
this._fullscreenDoc = aEvent.target;
|
|
sendAsyncMessage("DOMFullscreen:NewOrigin", {
|
|
originNoSuffix: this._fullscreenDoc.nodePrincipal.originNoSuffix,
|
|
});
|
|
break;
|
|
}
|
|
case "MozDOMFullscreen:Exit": {
|
|
sendAsyncMessage("DOMFullscreen:Exit");
|
|
break;
|
|
}
|
|
case "MozDOMFullscreen:Entered":
|
|
case "MozDOMFullscreen:Exited": {
|
|
addEventListener("MozAfterPaint", this);
|
|
if (!content || !content.document.mozFullScreen) {
|
|
// If we receive any fullscreen change event, and find we are
|
|
// actually not in fullscreen, also ask the parent to exit to
|
|
// ensure that the parent always exits fullscreen when we do.
|
|
sendAsyncMessage("DOMFullscreen:Exit");
|
|
}
|
|
break;
|
|
}
|
|
case "MozAfterPaint": {
|
|
removeEventListener("MozAfterPaint", this);
|
|
sendAsyncMessage("DOMFullscreen:Painted");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
DOMFullscreenHandler.init();
|
|
|
|
ExtensionContent.init(this);
|
|
addEventListener("unload", () => {
|
|
ExtensionContent.uninit(this);
|
|
});
|