910 lines
28 KiB
JavaScript
910 lines
28 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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#ifdef MOZ_WEBEXTENSIONS
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Cu.import("resource://gre/modules/ExtensionContent.jsm");
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#endif
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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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addEventListener("MozDOMPointerLock:Entered", function(aEvent) {
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sendAsyncMessage("PointerLock:Entered", {
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originNoSuffix: aEvent.target.nodePrincipal.originNoSuffix
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});
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});
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addEventListener("MozDOMPointerLock:Exited", function(aEvent) {
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sendAsyncMessage("PointerLock:Exited");
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});
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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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try {
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E10SUtils.wrapHandlingUserInput(content, message.data.handlingUserInput,
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() => webNav.reload(reloadFlags));
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} catch (e) {
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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 URL.
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let docElt = doc.documentElement;
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if (aData.showKnowYourRights)
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docElt.setAttribute("showKnowYourRights", "true");
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},
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onPageLoad: function() {
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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:MaybeShowAutoMigrationUndoNotification");
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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 "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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},
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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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_isLeavingReaderMode: false,
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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:ToggleReaderMode", 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:ToggleReaderMode":
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if (!this.isAboutReader) {
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this._articlePromise = ReaderMode.parseDocument(content.document).catch(Cu.reportError);
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ReaderMode.enterReaderMode(docShell, content);
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} else {
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this._isLeavingReaderMode = true;
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ReaderMode.leaveReaderMode(docShell, content);
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}
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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(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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// this._isLeavingReaderMode is used here to keep the Reader Mode icon
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// visible in the location bar when transitioning from reader-mode page
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// back to the source page.
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sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: this._isLeavingReaderMode });
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if (this._isLeavingReaderMode) {
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this._isLeavingReaderMode = false;
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}
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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, event) {
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// In non-e10s, we'll get called for paints other than ours, and so it's
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// possible that this page hasn't been laid out yet, in which case we
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// should wait until we get an event that does relate to our layout. We
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// determine whether any of our content got painted by checking if there
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// are any painted rects.
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if (!event.clientRects.length) {
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return;
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}
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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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if (!currentStyleSheet.ownerNode ||
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// special-case style nodes, which have no href
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currentStyleSheet.ownerNode.nodeName.toLowerCase() != "style") {
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URI = Services.io.newURI(currentStyleSheet.href, null, null);
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}
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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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continue;
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}
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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 || 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,
|
|
});
|
|
}
|
|
|
|
return result;
|
|
},
|
|
};
|
|
PageStyleHandler.init();
|
|
|
|
function gKeywordURIFixup(fixupInfo) {
|
|
fixupInfo.QueryInterface(Ci.nsIURIFixupInfo);
|
|
if (!fixupInfo.consumer) {
|
|
return;
|
|
}
|
|
|
|
// 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;
|
|
},
|
|
|
|
// Try to reload the currently active or currently loading page in a new process.
|
|
reloadInFreshProcess: function(aDocShell, aURI, aReferrer) {
|
|
E10SUtils.redirectLoad(aDocShell, aURI, aReferrer, true);
|
|
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 = {
|
|
|
|
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() {
|
|
if (!content) {
|
|
return null;
|
|
}
|
|
return content.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
},
|
|
|
|
receiveMessage: function(aMessage) {
|
|
let windowUtils = this._windowUtils;
|
|
switch (aMessage.name) {
|
|
case "DOMFullscreen:Entered": {
|
|
this._lastTransactionId = windowUtils.lastTransactionId;
|
|
if (!windowUtils.handleFullscreenRequests() &&
|
|
!content.document.fullscreenElement) {
|
|
// 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": {
|
|
// If we've exited fullscreen at this point, no need to record
|
|
// transaction id or call exit fullscreen. This is especially
|
|
// important for non-e10s, since in that case, it is possible
|
|
// that no more paint would be triggered after this point.
|
|
if (content.document.fullscreenElement && windowUtils) {
|
|
this._lastTransactionId = windowUtils.lastTransactionId;
|
|
windowUtils.exitFullscreen();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
handleEvent: function(aEvent) {
|
|
switch (aEvent.type) {
|
|
case "MozDOMFullscreen:Request": {
|
|
sendAsyncMessage("DOMFullscreen:Request");
|
|
break;
|
|
}
|
|
case "MozDOMFullscreen:NewOrigin": {
|
|
sendAsyncMessage("DOMFullscreen:NewOrigin", {
|
|
originNoSuffix: aEvent.target.nodePrincipal.originNoSuffix,
|
|
});
|
|
break;
|
|
}
|
|
case "MozDOMFullscreen:Exit": {
|
|
sendAsyncMessage("DOMFullscreen:Exit");
|
|
break;
|
|
}
|
|
case "MozDOMFullscreen:Entered":
|
|
case "MozDOMFullscreen:Exited": {
|
|
addEventListener("MozAfterPaint", this);
|
|
if (!content || !content.document.fullscreenElement) {
|
|
// 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": {
|
|
// Only send Painted signal after we actually finish painting
|
|
// the transition for the fullscreen change.
|
|
// Note that this._lastTransactionId is not set when in non-e10s
|
|
// mode, so we need to check that explicitly.
|
|
if (!this._lastTransactionId ||
|
|
aEvent.transactionId > this._lastTransactionId) {
|
|
removeEventListener("MozAfterPaint", this);
|
|
sendAsyncMessage("DOMFullscreen:Painted");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
DOMFullscreenHandler.init();
|
|
|
|
var RefreshBlocker = {
|
|
PREF: "accessibility.blockautorefresh",
|
|
|
|
// Bug 1247100 - When a refresh is caused by an HTTP header,
|
|
// onRefreshAttempted will be fired before onLocationChange.
|
|
// When a refresh is caused by a <meta> tag in the document,
|
|
// onRefreshAttempted will be fired after onLocationChange.
|
|
//
|
|
// We only ever want to send a message to the parent after
|
|
// onLocationChange has fired, since the parent uses the
|
|
// onLocationChange update to clear transient notifications.
|
|
// Sending the message before onLocationChange will result in
|
|
// us creating the notification, and then clearing it very
|
|
// soon after.
|
|
//
|
|
// To account for both cases (onRefreshAttempted before
|
|
// onLocationChange, and onRefreshAttempted after onLocationChange),
|
|
// we'll hold a mapping of DOM Windows that we see get
|
|
// sent through both onLocationChange and onRefreshAttempted.
|
|
// When either run, they'll check the WeakMap for the existence
|
|
// of the DOM Window. If it doesn't exist, it'll add it. If
|
|
// it finds it, it'll know that it's safe to send the message
|
|
// to the parent, since we know that both have fired.
|
|
//
|
|
// The DOM Window is removed from blockedWindows when we notice
|
|
// the nsIWebProgress change state to STATE_STOP for the
|
|
// STATE_IS_WINDOW case.
|
|
//
|
|
// DOM Windows are mapped to a JS object that contains the data
|
|
// to be sent to the parent to show the notification. Since that
|
|
// data is only known when onRefreshAttempted is fired, it's only
|
|
// ever stashed in the map if onRefreshAttempted fires first -
|
|
// otherwise, null is set as the value of the mapping.
|
|
blockedWindows: new WeakMap(),
|
|
|
|
init() {
|
|
if (Services.prefs.getBoolPref(this.PREF)) {
|
|
this.enable();
|
|
}
|
|
|
|
Services.prefs.addObserver(this.PREF, this, false);
|
|
},
|
|
|
|
uninit() {
|
|
if (Services.prefs.getBoolPref(this.PREF)) {
|
|
this.disable();
|
|
}
|
|
|
|
Services.prefs.removeObserver(this.PREF, this);
|
|
},
|
|
|
|
observe(subject, topic, data) {
|
|
if (topic == "nsPref:changed" && data == this.PREF) {
|
|
if (Services.prefs.getBoolPref(this.PREF)) {
|
|
this.enable();
|
|
} else {
|
|
this.disable();
|
|
}
|
|
}
|
|
},
|
|
|
|
enable() {
|
|
this._filter = Cc["@mozilla.org/appshell/component/browser-status-filter;1"]
|
|
.createInstance(Ci.nsIWebProgress);
|
|
this._filter.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_ALL);
|
|
|
|
let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIWebProgress);
|
|
webProgress.addProgressListener(this._filter, Ci.nsIWebProgress.NOTIFY_ALL);
|
|
|
|
addMessageListener("RefreshBlocker:Refresh", this);
|
|
},
|
|
|
|
disable() {
|
|
let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIWebProgress);
|
|
webProgress.removeProgressListener(this._filter);
|
|
|
|
this._filter.removeProgressListener(this);
|
|
this._filter = null;
|
|
|
|
removeMessageListener("RefreshBlocker:Refresh", this);
|
|
},
|
|
|
|
send(data) {
|
|
sendAsyncMessage("RefreshBlocker:Blocked", data);
|
|
},
|
|
|
|
/**
|
|
* Notices when the nsIWebProgress transitions to STATE_STOP for
|
|
* the STATE_IS_WINDOW case, which will clear any mappings from
|
|
* blockedWindows.
|
|
*/
|
|
onStateChange(aWebProgress, aRequest, aStateFlags, aStatus) {
|
|
if (aStateFlags & Ci.nsIWebProgressListener.STATE_IS_WINDOW &&
|
|
aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) {
|
|
this.blockedWindows.delete(aWebProgress.DOMWindow);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Notices when the location has changed. If, when running,
|
|
* onRefreshAttempted has already fired for this DOM Window, will
|
|
* send the appropriate refresh blocked data to the parent.
|
|
*/
|
|
onLocationChange(aWebProgress, aRequest, aLocation, aFlags) {
|
|
let win = aWebProgress.DOMWindow;
|
|
if (this.blockedWindows.has(win)) {
|
|
let data = this.blockedWindows.get(win);
|
|
if (data) {
|
|
// We saw onRefreshAttempted before onLocationChange, so
|
|
// send the message to the parent to show the notification.
|
|
this.send(data);
|
|
}
|
|
} else {
|
|
this.blockedWindows.set(win, null);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Notices when a refresh / reload was attempted. If, when running,
|
|
* onLocationChange has not yet run, will stash the appropriate data
|
|
* into the blockedWindows map to be sent when onLocationChange fires.
|
|
*/
|
|
onRefreshAttempted(aWebProgress, aURI, aDelay, aSameURI) {
|
|
let win = aWebProgress.DOMWindow;
|
|
let outerWindowID = win.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils)
|
|
.outerWindowID;
|
|
|
|
let data = {
|
|
URI: aURI.spec,
|
|
originCharset: aURI.originCharset,
|
|
delay: aDelay,
|
|
sameURI: aSameURI,
|
|
outerWindowID,
|
|
};
|
|
|
|
if (this.blockedWindows.has(win)) {
|
|
// onLocationChange must have fired before, so we can tell the
|
|
// parent to show the notification.
|
|
this.send(data);
|
|
} else {
|
|
// onLocationChange hasn't fired yet, so stash the data in the
|
|
// map so that onLocationChange can send it when it fires.
|
|
this.blockedWindows.set(win, data);
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
receiveMessage(message) {
|
|
let data = message.data;
|
|
|
|
if (message.name == "RefreshBlocker:Refresh") {
|
|
let win = Services.wm.getOuterWindowWithId(data.outerWindowID);
|
|
let refreshURI = win.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDocShell)
|
|
.QueryInterface(Ci.nsIRefreshURI);
|
|
|
|
let URI = BrowserUtils.makeURI(data.URI, data.originCharset, null);
|
|
|
|
refreshURI.forceRefreshURI(URI, data.delay, true);
|
|
}
|
|
},
|
|
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener2,
|
|
Ci.nsIWebProgressListener,
|
|
Ci.nsISupportsWeakReference,
|
|
Ci.nsISupports]),
|
|
};
|
|
|
|
RefreshBlocker.init();
|
|
|
|
#ifdef MOZ_WEBEXTENSIONS
|
|
ExtensionContent.init(this);
|
|
addEventListener("unload", () => {
|
|
ExtensionContent.uninit(this);
|
|
RefreshBlocker.uninit();
|
|
});
|
|
#endif
|
|
|
|
addMessageListener("AllowScriptsToClose", () => {
|
|
content.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils)
|
|
.allowScriptsToClose();
|
|
});
|
|
|
|
addEventListener("MozAfterPaint", function onFirstPaint() {
|
|
removeEventListener("MozAfterPaint", onFirstPaint);
|
|
sendAsyncMessage("Browser:FirstPaint");
|
|
});
|