/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* This content script contains code that requires a tab browser. */ var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components; Cu.import("resource://gre/modules/XPCOMUtils.jsm"); Cu.import("resource://gre/modules/Services.jsm"); #ifdef MOZ_WEBEXTENSIONS Cu.import("resource://gre/modules/ExtensionContent.jsm"); #endif XPCOMUtils.defineLazyModuleGetter(this, "E10SUtils", "resource:///modules/E10SUtils.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils", "resource://gre/modules/BrowserUtils.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils", "resource://gre/modules/PrivateBrowsingUtils.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "AboutReader", "resource://gre/modules/AboutReader.jsm"); XPCOMUtils.defineLazyModuleGetter(this, "ReaderMode", "resource://gre/modules/ReaderMode.jsm"); XPCOMUtils.defineLazyGetter(this, "SimpleServiceDiscovery", function() { let ssdp = Cu.import("resource://gre/modules/SimpleServiceDiscovery.jsm", {}).SimpleServiceDiscovery; // Register targets ssdp.registerDevice({ id: "roku:ecp", target: "roku:ecp", factory: function(aService) { Cu.import("resource://gre/modules/RokuApp.jsm"); return new RokuApp(aService); }, types: ["video/mp4"], extensions: ["mp4"] }); return ssdp; }); // TabChildGlobal var global = this; addEventListener("MozDOMPointerLock:Entered", function(aEvent) { sendAsyncMessage("PointerLock:Entered", { originNoSuffix: aEvent.target.nodePrincipal.originNoSuffix }); }); addEventListener("MozDOMPointerLock:Exited", function(aEvent) { sendAsyncMessage("PointerLock:Exited"); }); addMessageListener("Browser:HideSessionRestoreButton", function (message) { // Hide session restore button on about:home let doc = content.document; let container; if (doc.documentURI.toLowerCase() == "about:home" && (container = doc.getElementById("sessionRestoreContainer"))) { container.hidden = true; } }); addMessageListener("Browser:Reload", function(message) { /* First, we'll try to use the session history object to reload so * that framesets are handled properly. If we're in a special * window (such as view-source) that has no session history, fall * back on using the web navigation's reload method. */ let webNav = docShell.QueryInterface(Ci.nsIWebNavigation); try { let sh = webNav.sessionHistory; if (sh) webNav = sh.QueryInterface(Ci.nsIWebNavigation); } catch (e) { } let reloadFlags = message.data.flags; try { E10SUtils.wrapHandlingUserInput(content, message.data.handlingUserInput, () => webNav.reload(reloadFlags)); } catch (e) { } }); addMessageListener("MixedContent:ReenableProtection", function() { docShell.mixedContentChannel = null; }); addMessageListener("SecondScreen:tab-mirror", function(message) { if (!Services.prefs.getBoolPref("browser.casting.enabled")) { return; } let app = SimpleServiceDiscovery.findAppForService(message.data.service); if (app) { let width = content.innerWidth; let height = content.innerHeight; let viewport = {cssWidth: width, cssHeight: height, width: width, height: height}; app.mirror(function() {}, content, viewport, function() {}, content); } }); var AboutHomeListener = { init: function(chromeGlobal) { chromeGlobal.addEventListener('AboutHomeLoad', this, false, true); }, get isAboutHome() { return content.document.documentURI.toLowerCase() == "about:home"; }, handleEvent: function(aEvent) { if (!this.isAboutHome) { return; } switch (aEvent.type) { case "AboutHomeLoad": this.onPageLoad(); break; case "click": this.onClick(aEvent); break; case "pagehide": this.onPageHide(aEvent); break; } }, receiveMessage: function(aMessage) { if (!this.isAboutHome) { return; } switch (aMessage.name) { case "AboutHome:Update": this.onUpdate(aMessage.data); break; } }, onUpdate: function(aData) { let doc = content.document; if (aData.showRestoreLastSession && !PrivateBrowsingUtils.isContentWindowPrivate(content)) doc.getElementById("launcher").setAttribute("session", "true"); // Inject search engine and snippets URL. let docElt = doc.documentElement; // Set snippetsVersion last, which triggers to show the snippets when it's set. docElt.setAttribute("snippetsURL", aData.snippetsURL); if (aData.showKnowYourRights) docElt.setAttribute("showKnowYourRights", "true"); docElt.setAttribute("snippetsVersion", aData.snippetsVersion); }, onPageLoad: function() { addMessageListener("AboutHome:Update", this); addEventListener("click", this, true); addEventListener("pagehide", this, true); sendAsyncMessage("AboutHome:MaybeShowAutoMigrationUndoNotification"); sendAsyncMessage("AboutHome:RequestUpdate"); }, onClick: function(aEvent) { if (!aEvent.isTrusted || // Don't trust synthetic events aEvent.button == 2 || aEvent.target.localName != "button") { return; } let originalTarget = aEvent.originalTarget; let ownerDoc = originalTarget.ownerDocument; if (ownerDoc.documentURI != "about:home") { // This shouldn't happen, but we're being defensive. return; } let elmId = originalTarget.getAttribute("id"); switch (elmId) { case "restorePreviousSession": sendAsyncMessage("AboutHome:RestorePreviousSession"); ownerDoc.getElementById("launcher").removeAttribute("session"); break; case "downloads": sendAsyncMessage("AboutHome:Downloads"); break; case "bookmarks": sendAsyncMessage("AboutHome:Bookmarks"); break; case "history": sendAsyncMessage("AboutHome:History"); break; case "addons": sendAsyncMessage("AboutHome:Addons"); break; case "sync": sendAsyncMessage("AboutHome:Sync"); break; case "settings": sendAsyncMessage("AboutHome:Settings"); break; } }, onPageHide: function(aEvent) { if (aEvent.target.defaultView.frameElement) { return; } removeMessageListener("AboutHome:Update", this); removeEventListener("click", this, true); removeEventListener("pagehide", this, true); }, }; AboutHomeListener.init(this); var AboutPrivateBrowsingListener = { init(chromeGlobal) { chromeGlobal.addEventListener("AboutPrivateBrowsingOpenWindow", this, false, true); chromeGlobal.addEventListener("AboutPrivateBrowsingToggleTrackingProtection", this, false, true); chromeGlobal.addEventListener("AboutPrivateBrowsingDontShowIntroPanelAgain", this, false, true); }, get isAboutPrivateBrowsing() { return content.document.documentURI.toLowerCase() == "about:privatebrowsing"; }, handleEvent(aEvent) { if (!this.isAboutPrivateBrowsing) { return; } switch (aEvent.type) { case "AboutPrivateBrowsingOpenWindow": sendAsyncMessage("AboutPrivateBrowsing:OpenPrivateWindow"); break; case "AboutPrivateBrowsingToggleTrackingProtection": sendAsyncMessage("AboutPrivateBrowsing:ToggleTrackingProtection"); break; case "AboutPrivateBrowsingDontShowIntroPanelAgain": sendAsyncMessage("AboutPrivateBrowsing:DontShowIntroPanelAgain"); break; } }, }; AboutPrivateBrowsingListener.init(this); var AboutReaderListener = { _articlePromise: null, _isLeavingReaderMode: false, init: function() { addEventListener("AboutReaderContentLoaded", this, false, true); addEventListener("DOMContentLoaded", this, false); addEventListener("pageshow", this, false); addEventListener("pagehide", this, false); addMessageListener("Reader:ToggleReaderMode", this); addMessageListener("Reader:PushState", this); }, receiveMessage: function(message) { switch (message.name) { case "Reader:ToggleReaderMode": if (!this.isAboutReader) { this._articlePromise = ReaderMode.parseDocument(content.document).catch(Cu.reportError); ReaderMode.enterReaderMode(docShell, content); } else { this._isLeavingReaderMode = true; ReaderMode.leaveReaderMode(docShell, content); } break; case "Reader:PushState": this.updateReaderButton(!!(message.data && message.data.isArticle)); break; } }, get isAboutReader() { if (!content) { return false; } return content.document.documentURI.startsWith("about:reader"); }, handleEvent: function(aEvent) { if (aEvent.originalTarget.defaultView != content) { return; } switch (aEvent.type) { case "AboutReaderContentLoaded": if (!this.isAboutReader) { return; } if (content.document.body) { // Update the toolbar icon to show the "reader active" icon. sendAsyncMessage("Reader:UpdateReaderButton"); new AboutReader(global, content, this._articlePromise); this._articlePromise = null; } break; case "pagehide": this.cancelPotentialPendingReadabilityCheck(); // this._isLeavingReaderMode is used here to keep the Reader Mode icon // visible in the location bar when transitioning from reader-mode page // back to the source page. sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: this._isLeavingReaderMode }); if (this._isLeavingReaderMode) { this._isLeavingReaderMode = false; } break; case "pageshow": // If a page is loaded from the bfcache, we won't get a "DOMContentLoaded" // event, so we need to rely on "pageshow" in this case. if (aEvent.persisted) { this.updateReaderButton(); } break; case "DOMContentLoaded": this.updateReaderButton(); break; } }, /** * NB: this function will update the state of the reader button asynchronously * after the next mozAfterPaint call (assuming reader mode is enabled and * this is a suitable document). Calling it on things which won't be * painted is not going to work. */ updateReaderButton: function(forceNonArticle) { if (!ReaderMode.isEnabledForParseOnLoad || this.isAboutReader || !content || !(content.document instanceof content.HTMLDocument) || content.document.mozSyntheticDocument) { return; } this.scheduleReadabilityCheckPostPaint(forceNonArticle); }, cancelPotentialPendingReadabilityCheck: function() { if (this._pendingReadabilityCheck) { removeEventListener("MozAfterPaint", this._pendingReadabilityCheck); delete this._pendingReadabilityCheck; } }, scheduleReadabilityCheckPostPaint: function(forceNonArticle) { if (this._pendingReadabilityCheck) { // We need to stop this check before we re-add one because we don't know // if forceNonArticle was true or false last time. this.cancelPotentialPendingReadabilityCheck(); } this._pendingReadabilityCheck = this.onPaintWhenWaitedFor.bind(this, forceNonArticle); addEventListener("MozAfterPaint", this._pendingReadabilityCheck); }, onPaintWhenWaitedFor: function(forceNonArticle, event) { // In non-e10s, we'll get called for paints other than ours, and so it's // possible that this page hasn't been laid out yet, in which case we // should wait until we get an event that does relate to our layout. We // determine whether any of our content got painted by checking if there // are any painted rects. if (!event.clientRects.length) { return; } this.cancelPotentialPendingReadabilityCheck(); // Only send updates when there are articles; there's no point updating with // |false| all the time. if (ReaderMode.isProbablyReaderable(content.document)) { sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: true }); } else if (forceNonArticle) { sendAsyncMessage("Reader:UpdateReaderButton", { isArticle: false }); } }, }; AboutReaderListener.init(); var ContentSearchMediator = { whitelist: new Set([ "about:home", "about:newtab", ]), init: function (chromeGlobal) { chromeGlobal.addEventListener("ContentSearchClient", this, true, true); addMessageListener("ContentSearch", this); }, handleEvent: function (event) { if (this._contentWhitelisted) { this._sendMsg(event.detail.type, event.detail.data); } }, receiveMessage: function (msg) { if (msg.data.type == "AddToWhitelist") { for (let uri of msg.data.data) { this.whitelist.add(uri); } this._sendMsg("AddToWhitelistAck"); return; } if (this._contentWhitelisted) { this._fireEvent(msg.data.type, msg.data.data); } }, get _contentWhitelisted() { return this.whitelist.has(content.document.documentURI); }, _sendMsg: function (type, data=null) { sendAsyncMessage("ContentSearch", { type: type, data: data, }); }, _fireEvent: function (type, data=null) { let event = Cu.cloneInto({ detail: { type: type, data: data, }, }, content); content.dispatchEvent(new content.CustomEvent("ContentSearchService", event)); }, }; ContentSearchMediator.init(this); var PageStyleHandler = { init: function() { addMessageListener("PageStyle:Switch", this); addMessageListener("PageStyle:Disable", this); addEventListener("pageshow", () => this.sendStyleSheetInfo()); }, get markupDocumentViewer() { return docShell.contentViewer; }, sendStyleSheetInfo: function() { let filteredStyleSheets = this._filterStyleSheets(this.getAllStyleSheets()); sendAsyncMessage("PageStyle:StyleSheets", { filteredStyleSheets: filteredStyleSheets, authorStyleDisabled: this.markupDocumentViewer.authorStyleDisabled, preferredStyleSheetSet: content.document.preferredStyleSheetSet }); }, getAllStyleSheets: function(frameset = content) { let selfSheets = Array.slice(frameset.document.styleSheets); let subSheets = Array.map(frameset.frames, frame => this.getAllStyleSheets(frame)); return selfSheets.concat(...subSheets); }, receiveMessage: function(msg) { switch (msg.name) { case "PageStyle:Switch": this.markupDocumentViewer.authorStyleDisabled = false; this._stylesheetSwitchAll(content, msg.data.title); break; case "PageStyle:Disable": this.markupDocumentViewer.authorStyleDisabled = true; break; } this.sendStyleSheetInfo(); }, _stylesheetSwitchAll: function (frameset, title) { if (!title || this._stylesheetInFrame(frameset, title)) { this._stylesheetSwitchFrame(frameset, title); } for (let i = 0; i < frameset.frames.length; i++) { // Recurse into sub-frames. this._stylesheetSwitchAll(frameset.frames[i], title); } }, _stylesheetSwitchFrame: function (frame, title) { var docStyleSheets = frame.document.styleSheets; for (let i = 0; i < docStyleSheets.length; ++i) { let docStyleSheet = docStyleSheets[i]; if (docStyleSheet.title) { docStyleSheet.disabled = (docStyleSheet.title != title); } else if (docStyleSheet.disabled) { docStyleSheet.disabled = false; } } }, _stylesheetInFrame: function (frame, title) { return Array.some(frame.document.styleSheets, (styleSheet) => styleSheet.title == title); }, _filterStyleSheets: function(styleSheets) { let result = []; for (let currentStyleSheet of styleSheets) { if (!currentStyleSheet.title) continue; // Skip any stylesheets that don't match the screen media type. if (currentStyleSheet.media.length > 0) { let mediaQueryList = currentStyleSheet.media.mediaText; if (!content.matchMedia(mediaQueryList).matches) { continue; } } let URI; try { if (!currentStyleSheet.ownerNode || // special-case style nodes, which have no href currentStyleSheet.ownerNode.nodeName.toLowerCase() != "style") { URI = Services.io.newURI(currentStyleSheet.href, null, null); } } catch (e) { if (e.result != Cr.NS_ERROR_MALFORMED_URI) { throw e; } continue; } // We won't send data URIs all of the way up to the parent, as these // can be arbitrarily large. let sentURI = (!URI || URI.scheme == "data") ? null : URI.spec; result.push({ title: currentStyleSheet.title, disabled: currentStyleSheet.disabled, href: sentURI, }); } return result; }, }; PageStyleHandler.init(); // Keep a reference to the translation content handler to avoid it it being GC'ed. var trHandler = null; if (Services.prefs.getBoolPref("browser.translation.detectLanguage")) { Cu.import("resource:///modules/translation/TranslationContentHandler.jsm"); trHandler = new TranslationContentHandler(global, docShell); } 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(); var UserContextIdNotifier = { init() { addEventListener("DOMWindowCreated", this); }, uninit() { removeEventListener("DOMWindowCreated", this); }, handleEvent(aEvent) { // When the window is created, we want to inform the tabbrowser about // the userContextId in use in order to update the UI correctly. // Just because we cannot change the userContextId from an active docShell, // we don't need to check DOMContentLoaded again. this.uninit(); // We use the docShell because content.document can have been loaded before // setting the originAttributes. let loadContext = docShell.QueryInterface(Ci.nsILoadContext); let userContextId = loadContext.originAttributes.userContextId; sendAsyncMessage("Browser:WindowCreated", { userContextId }); } }; UserContextIdNotifier.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"); });