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Diffstat (limited to 'browser/base/content/browser-init.js')
| -rw-r--r-- | browser/base/content/browser-init.js | 1107 |
1 files changed, 1107 insertions, 0 deletions
diff --git a/browser/base/content/browser-init.js b/browser/base/content/browser-init.js new file mode 100644 index 0000000000..0717ce2138 --- /dev/null +++ b/browser/base/content/browser-init.js @@ -0,0 +1,1107 @@ +/* -*- 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/. */ + +let _resolveDelayedStartup; +var delayedStartupPromise = new Promise(resolve => { + _resolveDelayedStartup = resolve; +}); + +var gBrowserInit = { + delayedStartupFinished: false, + domContentLoaded: false, + + _tabToAdopt: undefined, + _firstContentWindowPaintDeferred: Promise.withResolvers(), + idleTasksFinished: Promise.withResolvers(), + + _setupFirstContentWindowPaintPromise() { + let lastTransactionId = window.windowUtils.lastTransactionId; + let layerTreeListener = () => { + if (this.getTabToAdopt()) { + // Need to wait until we finish adopting the tab, or we might end + // up focusing the initial browser and then losing focus when it + // gets swapped out for the tab to adopt. + return; + } + removeEventListener("MozLayerTreeReady", layerTreeListener); + let listener = e => { + if (e.transactionId > lastTransactionId) { + window.removeEventListener("MozAfterPaint", listener); + this._firstContentWindowPaintDeferred.resolve(); + } + }; + addEventListener("MozAfterPaint", listener); + }; + addEventListener("MozLayerTreeReady", layerTreeListener); + }, + + getTabToAdopt() { + if (this._tabToAdopt !== undefined) { + return this._tabToAdopt; + } + + if (window.arguments && window.XULElement.isInstance(window.arguments[0])) { + this._tabToAdopt = window.arguments[0]; + + // Clear the reference of the tab being adopted from the arguments. + window.arguments[0] = null; + } else { + // There was no tab to adopt in the arguments, set _tabToAdopt to null + // to avoid checking it again. + this._tabToAdopt = null; + } + + return this._tabToAdopt; + }, + + _clearTabToAdopt() { + this._tabToAdopt = null; + }, + + // Used to check if the new window is still adopting an existing tab as its first tab + // (e.g. from the WebExtensions internals). + isAdoptingTab() { + return !!this.getTabToAdopt(); + }, + + onBeforeInitialXULLayout() { + this._setupFirstContentWindowPaintPromise(); + + updateBookmarkToolbarVisibility(); + + // Set a sane starting width/height for all resolutions on new profiles. + if (ChromeUtils.shouldResistFingerprinting("RoundWindowSize", null)) { + // When the fingerprinting resistance is enabled, making sure that we don't + // have a maximum window to interfere with generating rounded window dimensions. + document.documentElement.setAttribute("sizemode", "normal"); + } else if (!document.documentElement.hasAttribute("width")) { + const TARGET_WIDTH = 1280; + const TARGET_HEIGHT = 1040; + let width = Math.min(screen.availWidth * 0.9, TARGET_WIDTH); + let height = Math.min(screen.availHeight * 0.9, TARGET_HEIGHT); + + document.documentElement.setAttribute("width", width); + document.documentElement.setAttribute("height", height); + + if (width < TARGET_WIDTH && height < TARGET_HEIGHT) { + document.documentElement.setAttribute("sizemode", "maximized"); + } + } + if (AppConstants.MENUBAR_CAN_AUTOHIDE) { + const toolbarMenubar = document.getElementById("toolbar-menubar"); + // set a default value + if (!toolbarMenubar.hasAttribute("autohide")) { + toolbarMenubar.setAttribute("autohide", true); + } + document.l10n.setAttributes( + toolbarMenubar, + "toolbar-context-menu-menu-bar-cmd" + ); + toolbarMenubar.setAttribute("data-l10n-attrs", "toolbarname"); + } + + // Run menubar initialization first, to avoid TabsInTitlebar code picking + // up mutations from it and causing a reflow. + AutoHideMenubar.init(); + // Update the chromemargin attribute so the window can be sized correctly. + window.TabBarVisibility.update(); + TabsInTitlebar.init(); + + new LightweightThemeConsumer(document); + + if ( + Services.prefs.getBoolPref( + "toolkit.legacyUserProfileCustomizations.windowIcon", + false + ) + ) { + document.documentElement.setAttribute("icon", "main-window"); + } + + // Call this after we set attributes that might change toolbars' computed + // text color. + ToolbarIconColor.init(); + }, + + onDOMContentLoaded() { + // This needs setting up before we create the first remote browser. + window.docShell.treeOwner + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIAppWindow).XULBrowserWindow = window.XULBrowserWindow; + window.browserDOMWindow = new nsBrowserAccess(); + + gBrowser = window._gBrowser; + delete window._gBrowser; + gBrowser.init(); + + BrowserWindowTracker.track(window); + + FirefoxViewHandler.init(); + + gNavToolbox.palette = document.getElementById( + "BrowserToolbarPalette" + ).content; + for (let area of CustomizableUI.areas) { + let type = CustomizableUI.getAreaType(area); + if (type == CustomizableUI.TYPE_TOOLBAR) { + let node = document.getElementById(area); + CustomizableUI.registerToolbarNode(node); + } + } + BrowserSearch.initPlaceHolder(); + + // Hack to ensure that the various initial pages favicon is loaded + // instantaneously, to avoid flickering and improve perceived performance. + this._callWithURIToLoad(uriToLoad => { + let url; + try { + url = Services.io.newURI(uriToLoad); + } catch (e) { + return; + } + let nonQuery = url.prePath + url.filePath; + if (nonQuery in gPageIcons) { + gBrowser.setIcon(gBrowser.selectedTab, gPageIcons[nonQuery]); + } + }); + + updateFxaToolbarMenu(gFxaToolbarEnabled, true); + + updatePrintCommands(gPrintEnabled); + + gUnifiedExtensions.init(); + + // Setting the focus will cause a style flush, it's preferable to call anything + // that will modify the DOM from within this function before this call. + this._setInitialFocus(); + + this.domContentLoaded = true; + }, + + onLoad() { + gBrowser.addEventListener("DOMUpdateBlockedPopups", gPopupBlockerObserver); + gBrowser.addEventListener( + "TranslationsParent:LanguageState", + FullPageTranslationsPanel + ); + gBrowser.addEventListener( + "TranslationsParent:OfferTranslation", + FullPageTranslationsPanel + ); + gBrowser.addTabsProgressListener(FullPageTranslationsPanel); + + window.addEventListener("AppCommand", HandleAppCommandEvent, true); + + // These routines add message listeners. They must run before + // loading the frame script to ensure that we don't miss any + // message sent between when the frame script is loaded and when + // the listener is registered. + CaptivePortalWatcher.init(); + ZoomUI.init(window); + + if (!gMultiProcessBrowser) { + // There is a Content:Click message manually sent from content. + gBrowser.tabpanels.addEventListener("click", contentAreaClick, { + capture: true, + mozSystemGroup: true, + }); + } + + // hook up UI through progress listener + gBrowser.addProgressListener(window.XULBrowserWindow); + gBrowser.addTabsProgressListener(window.TabsProgressListener); + + SidebarController.init(); + + // We do this in onload because we want to ensure the button's state + // doesn't flicker as the window is being shown. + DownloadsButton.init(); + + // Certain kinds of automigration rely on this notification to complete + // their tasks BEFORE the browser window is shown. SessionStore uses it to + // restore tabs into windows AFTER important parts like gMultiProcessBrowser + // have been initialized. + Services.obs.notifyObservers(window, "browser-window-before-show"); + + if (!window.toolbar.visible) { + // adjust browser UI for popups + gURLBar.readOnly = true; + } + + // Misc. inits. + gUIDensity.init(); + TabletModeUpdater.init(); + CombinedStopReload.ensureInitialized(); + gPrivateBrowsingUI.init(); + BrowserSearch.init(); + BrowserPageActions.init(); + if (gToolbarKeyNavEnabled) { + ToolbarKeyboardNavigator.init(); + } + + // Update UI if browser is under remote control. + gRemoteControl.updateVisualCue(); + + // If we are given a tab to swap in, take care of it before first paint to + // avoid an about:blank flash. + let tabToAdopt = this.getTabToAdopt(); + if (tabToAdopt) { + let evt = new CustomEvent("before-initial-tab-adopted", { + bubbles: true, + }); + gBrowser.tabpanels.dispatchEvent(evt); + + // Stop the about:blank load + gBrowser.stop(); + + // Remove the speculative focus from the urlbar to let the url be formatted. + gURLBar.removeAttribute("focused"); + + let swapBrowsers = () => { + try { + gBrowser.swapBrowsersAndCloseOther(gBrowser.selectedTab, tabToAdopt); + } catch (e) { + console.error(e); + } + + // Clear the reference to the tab once its adoption has been completed. + this._clearTabToAdopt(); + }; + if (tabToAdopt.linkedBrowser.isRemoteBrowser) { + // For remote browsers, wait for the paint event, otherwise the tabs + // are not yet ready and focus gets confused because the browser swaps + // out while tabs are switching. + addEventListener("MozAfterPaint", swapBrowsers, { once: true }); + } else { + swapBrowsers(); + } + } + + // Wait until chrome is painted before executing code not critical to making the window visible + this._boundDelayedStartup = this._delayedStartup.bind(this); + window.addEventListener("MozAfterPaint", this._boundDelayedStartup); + + if (!PrivateBrowsingUtils.enabled) { + document.getElementById("Tools:PrivateBrowsing").hidden = true; + // Setting disabled doesn't disable the shortcut, so we just remove + // the keybinding. + document.getElementById("key_privatebrowsing").remove(); + } + + if (BrowserUIUtils.quitShortcutDisabled) { + document.getElementById("key_quitApplication").remove(); + document.getElementById("menu_FileQuitItem").removeAttribute("key"); + + PanelMultiView.getViewNode( + document, + "appMenu-quit-button2" + )?.removeAttribute("key"); + } + + this._loadHandled = true; + }, + + _cancelDelayedStartup() { + window.removeEventListener("MozAfterPaint", this._boundDelayedStartup); + this._boundDelayedStartup = null; + }, + + _delayedStartup() { + let { TelemetryTimestamps } = ChromeUtils.importESModule( + "resource://gre/modules/TelemetryTimestamps.sys.mjs" + ); + TelemetryTimestamps.add("delayedStartupStarted"); + + this._cancelDelayedStartup(); + + // Bug 1531854 - The hidden window is force-created here + // until all of its dependencies are handled. + Services.appShell.hiddenDOMWindow; + + gBrowser.addEventListener( + "PermissionStateChange", + function () { + gIdentityHandler.refreshIdentityBlock(); + gPermissionPanel.updateSharingIndicator(); + }, + true + ); + + this._handleURIToLoad(); + + Services.obs.addObserver(gIdentityHandler, "perm-changed"); + Services.obs.addObserver(gRemoteControl, "devtools-socket"); + Services.obs.addObserver(gRemoteControl, "marionette-listening"); + Services.obs.addObserver(gRemoteControl, "remote-listening"); + Services.obs.addObserver( + gSessionHistoryObserver, + "browser:purge-session-history" + ); + Services.obs.addObserver( + gStoragePressureObserver, + "QuotaManager::StoragePressure" + ); + Services.obs.addObserver(gXPInstallObserver, "addon-install-disabled"); + Services.obs.addObserver(gXPInstallObserver, "addon-install-started"); + Services.obs.addObserver(gXPInstallObserver, "addon-install-blocked"); + Services.obs.addObserver( + gXPInstallObserver, + "addon-install-fullscreen-blocked" + ); + Services.obs.addObserver( + gXPInstallObserver, + "addon-install-origin-blocked" + ); + Services.obs.addObserver( + gXPInstallObserver, + "addon-install-policy-blocked" + ); + Services.obs.addObserver( + gXPInstallObserver, + "addon-install-webapi-blocked" + ); + Services.obs.addObserver(gXPInstallObserver, "addon-install-failed"); + Services.obs.addObserver(gXPInstallObserver, "addon-install-confirmation"); + Services.obs.addObserver(gKeywordURIFixup, "keyword-uri-fixup"); + + BrowserOffline.init(); + CanvasPermissionPromptHelper.init(); + WebAuthnPromptHelper.init(); + ContentAnalysis.initialize(document); + + // Initialize the full zoom setting. + // We do this before the session restore service gets initialized so we can + // apply full zoom settings to tabs restored by the session restore service. + FullZoom.init(); + PanelUI.init(shouldSuppressPopupNotifications); + ReportBrokenSite.init(gBrowser); + + UpdateUrlbarSearchSplitterState(); + + BookmarkingUI.init(); + BrowserSearch.delayedStartupInit(); + SearchUIUtils.init(); + gProtectionsHandler.init(); + HomePage.delayedStartup().catch(console.error); + + let safeMode = document.getElementById("helpSafeMode"); + if (Services.appinfo.inSafeMode) { + document.l10n.setAttributes(safeMode, "menu-help-exit-troubleshoot-mode"); + safeMode.setAttribute( + "appmenu-data-l10n-id", + "appmenu-help-exit-troubleshoot-mode" + ); + } + + // BiDi UI + gBidiUI = isBidiEnabled(); + if (gBidiUI) { + document.getElementById("documentDirection-separator").hidden = false; + document.getElementById("documentDirection-swap").hidden = false; + document.getElementById("textfieldDirection-separator").hidden = false; + document.getElementById("textfieldDirection-swap").hidden = false; + } + + // Setup click-and-hold gestures access to the session history + // menus if global click-and-hold isn't turned on + if (!Services.prefs.getBoolPref("ui.click_hold_context_menus", false)) { + SetClickAndHoldHandlers(); + } + + function initBackForwardButtonTooltip(tooltipId, l10nId, shortcutId) { + let shortcut = document.getElementById(shortcutId); + shortcut = ShortcutUtils.prettifyShortcut(shortcut); + + let tooltip = document.getElementById(tooltipId); + document.l10n.setAttributes(tooltip, l10nId, { shortcut }); + } + + initBackForwardButtonTooltip( + "back-button-tooltip-description", + "navbar-tooltip-back-2", + "goBackKb" + ); + + initBackForwardButtonTooltip( + "forward-button-tooltip-description", + "navbar-tooltip-forward-2", + "goForwardKb" + ); + + PlacesToolbarHelper.init(); + + ctrlTab.readPref(); + Services.prefs.addObserver(ctrlTab.prefName, ctrlTab); + + // The object handling the downloads indicator is initialized here in the + // delayed startup function, but the actual indicator element is not loaded + // unless there are downloads to be displayed. + DownloadsButton.initializeIndicator(); + + if (AppConstants.platform != "macosx") { + updateEditUIVisibility(); + let placesContext = document.getElementById("placesContext"); + placesContext.addEventListener("popupshowing", updateEditUIVisibility); + placesContext.addEventListener("popuphiding", updateEditUIVisibility); + } + + FullScreen.init(); + MenuTouchModeObserver.init(); + + if (AppConstants.MOZ_DATA_REPORTING) { + gDataNotificationInfoBar.init(); + } + + if (!AppConstants.MOZILLA_OFFICIAL) { + DevelopmentHelpers.init(); + } + + gExtensionsNotifications.init(); + + let wasMinimized = window.windowState == window.STATE_MINIMIZED; + window.addEventListener("sizemodechange", () => { + let isMinimized = window.windowState == window.STATE_MINIMIZED; + if (wasMinimized != isMinimized) { + wasMinimized = isMinimized; + UpdatePopupNotificationsVisibility(); + } + }); + + window.addEventListener("mousemove", MousePosTracker); + window.addEventListener("dragover", MousePosTracker); + + gNavToolbox.addEventListener("customizationstarting", CustomizationHandler); + gNavToolbox.addEventListener("aftercustomization", CustomizationHandler); + + SessionStore.promiseInitialized.then(() => { + // Bail out if the window has been closed in the meantime. + if (window.closed) { + return; + } + + // Enable the Restore Last Session command if needed + RestoreLastSessionObserver.init(); + + SidebarController.startDelayedLoad(); + + PanicButtonNotifier.init(); + }); + + if (BrowserHandler.kiosk) { + // We don't modify popup windows for kiosk mode + if (!gURLBar.readOnly) { + window.fullScreen = true; + } + } + + if (Services.policies.status === Services.policies.ACTIVE) { + if (!Services.policies.isAllowed("hideShowMenuBar")) { + document + .getElementById("toolbar-menubar") + .removeAttribute("toolbarname"); + } + if (!Services.policies.isAllowed("filepickers")) { + let savePageCommand = document.getElementById("Browser:SavePage"); + let openFileCommand = document.getElementById("Browser:OpenFile"); + + savePageCommand.setAttribute("disabled", "true"); + openFileCommand.setAttribute("disabled", "true"); + + document.addEventListener("FilePickerBlocked", function (event) { + let browser = event.target; + + let notificationBox = browser + .getTabBrowser() + ?.getNotificationBox(browser); + + // Prevent duplicate notifications + if ( + notificationBox && + !notificationBox.getNotificationWithValue("filepicker-blocked") + ) { + notificationBox.appendNotification("filepicker-blocked", { + label: { + "l10n-id": "filepicker-blocked-infobar", + }, + priority: notificationBox.PRIORITY_INFO_LOW, + }); + } + }); + } + let policies = Services.policies.getActivePolicies(); + if ("ManagedBookmarks" in policies) { + let managedBookmarks = policies.ManagedBookmarks; + let children = managedBookmarks.filter( + child => !("toplevel_name" in child) + ); + if (children.length) { + let managedBookmarksButton = + document.createXULElement("toolbarbutton"); + managedBookmarksButton.setAttribute("id", "managed-bookmarks"); + managedBookmarksButton.setAttribute("class", "bookmark-item"); + let toplevel = managedBookmarks.find( + element => "toplevel_name" in element + ); + if (toplevel) { + managedBookmarksButton.setAttribute( + "label", + toplevel.toplevel_name + ); + } else { + document.l10n.setAttributes( + managedBookmarksButton, + "managed-bookmarks" + ); + } + managedBookmarksButton.setAttribute("context", "placesContext"); + managedBookmarksButton.setAttribute("container", "true"); + managedBookmarksButton.setAttribute("removable", "false"); + managedBookmarksButton.setAttribute("type", "menu"); + + let managedBookmarksPopup = document.createXULElement("menupopup"); + managedBookmarksPopup.setAttribute("id", "managed-bookmarks-popup"); + managedBookmarksPopup.setAttribute( + "oncommand", + "PlacesToolbarHelper.openManagedBookmark(event);" + ); + managedBookmarksPopup.setAttribute( + "ondragover", + "event.dataTransfer.effectAllowed='none';" + ); + managedBookmarksPopup.setAttribute( + "ondragstart", + "PlacesToolbarHelper.onDragStartManaged(event);" + ); + managedBookmarksPopup.setAttribute( + "onpopupshowing", + "PlacesToolbarHelper.populateManagedBookmarks(this);" + ); + managedBookmarksPopup.setAttribute("placespopup", "true"); + managedBookmarksPopup.setAttribute("is", "places-popup"); + managedBookmarksPopup.classList.add("toolbar-menupopup"); + managedBookmarksButton.appendChild(managedBookmarksPopup); + + gNavToolbox.palette.appendChild(managedBookmarksButton); + + CustomizableUI.ensureWidgetPlacedInWindow( + "managed-bookmarks", + window + ); + + // Add button if it doesn't exist + if (!CustomizableUI.getPlacementOfWidget("managed-bookmarks")) { + CustomizableUI.addWidgetToArea( + "managed-bookmarks", + CustomizableUI.AREA_BOOKMARKS, + 0 + ); + } + } + } + } + + CaptivePortalWatcher.delayedStartup(); + + ShoppingSidebarManager.ensureInitialized(); + + SessionStore.promiseAllWindowsRestored.then(() => { + this._schedulePerWindowIdleTasks(); + document.documentElement.setAttribute("sessionrestored", "true"); + }); + + this.delayedStartupFinished = true; + _resolveDelayedStartup(); + Services.obs.notifyObservers(window, "browser-delayed-startup-finished"); + TelemetryTimestamps.add("delayedStartupFinished"); + // We've announced that delayed startup has finished. Do not add code past this point. + }, + + /** + * Resolved on the first MozLayerTreeReady and next MozAfterPaint in the + * parent process. + */ + get firstContentWindowPaintPromise() { + return this._firstContentWindowPaintDeferred.promise; + }, + + _setInitialFocus() { + let initiallyFocusedElement = document.commandDispatcher.focusedElement; + + // To prevent startup flicker, the urlbar has the 'focused' attribute set + // by default. If we are not sure the urlbar will be focused in this + // window, we need to remove the attribute before first paint. + // TODO (bug 1629956): The urlbar having the 'focused' attribute by default + // isn't a useful optimization anymore since UrlbarInput needs layout + // information to focus the urlbar properly. + let shouldRemoveFocusedAttribute = true; + + this._callWithURIToLoad(uriToLoad => { + if ( + isBlankPageURL(uriToLoad) || + uriToLoad == "about:privatebrowsing" || + this.getTabToAdopt()?.isEmpty + ) { + gURLBar.select(); + shouldRemoveFocusedAttribute = false; + return; + } + + // If the initial browser is remote, in order to optimize for first paint, + // we'll defer switching focus to that browser until it has painted. + // Otherwise use a regular promise to guarantee that mutationobserver + // microtasks that could affect focusability have run. + let promise = gBrowser.selectedBrowser.isRemoteBrowser + ? this.firstContentWindowPaintPromise + : Promise.resolve(); + + promise.then(() => { + // If focus didn't move while we were waiting, we're okay to move to + // the browser. + if ( + document.commandDispatcher.focusedElement == initiallyFocusedElement + ) { + gBrowser.selectedBrowser.focus(); + } + }); + }); + + // Delay removing the attribute using requestAnimationFrame to avoid + // invalidating styles multiple times in a row if uriToLoadPromise + // resolves before first paint. + if (shouldRemoveFocusedAttribute) { + window.requestAnimationFrame(() => { + if (shouldRemoveFocusedAttribute) { + gURLBar.removeAttribute("focused"); + } + }); + } + }, + + _handleURIToLoad() { + this._callWithURIToLoad(uriToLoad => { + if (!uriToLoad) { + // We don't check whether window.arguments[5] (userContextId) is set + // because tabbrowser.js takes care of that for the initial tab. + return; + } + + // We don't check if uriToLoad is a XULElement because this case has + // already been handled before first paint, and the argument cleared. + if (Array.isArray(uriToLoad)) { + // This function throws for certain malformed URIs, so use exception handling + // so that we don't disrupt startup + try { + gBrowser.loadTabs(uriToLoad, { + inBackground: false, + replace: true, + // See below for the semantics of window.arguments. Only the minimum is supported. + userContextId: window.arguments[5], + triggeringPrincipal: + window.arguments[8] || + Services.scriptSecurityManager.getSystemPrincipal(), + allowInheritPrincipal: window.arguments[9], + csp: window.arguments[10], + fromExternal: true, + }); + } catch (e) {} + } else if (window.arguments.length >= 3) { + // window.arguments[1]: extraOptions (nsIPropertyBag) + // [2]: referrerInfo (nsIReferrerInfo) + // [3]: postData (nsIInputStream) + // [4]: allowThirdPartyFixup (bool) + // [5]: userContextId (int) + // [6]: originPrincipal (nsIPrincipal) + // [7]: originStoragePrincipal (nsIPrincipal) + // [8]: triggeringPrincipal (nsIPrincipal) + // [9]: allowInheritPrincipal (bool) + // [10]: csp (nsIContentSecurityPolicy) + // [11]: nsOpenWindowInfo + let userContextId = + window.arguments[5] != undefined + ? window.arguments[5] + : Ci.nsIScriptSecurityManager.DEFAULT_USER_CONTEXT_ID; + + let hasValidUserGestureActivation = undefined; + let fromExternal = undefined; + let globalHistoryOptions = undefined; + let triggeringRemoteType = undefined; + let forceAllowDataURI = false; + let wasSchemelessInput = false; + if (window.arguments[1]) { + if (!(window.arguments[1] instanceof Ci.nsIPropertyBag2)) { + throw new Error( + "window.arguments[1] must be null or Ci.nsIPropertyBag2!" + ); + } + + let extraOptions = window.arguments[1]; + if (extraOptions.hasKey("hasValidUserGestureActivation")) { + hasValidUserGestureActivation = extraOptions.getPropertyAsBool( + "hasValidUserGestureActivation" + ); + } + if (extraOptions.hasKey("fromExternal")) { + fromExternal = extraOptions.getPropertyAsBool("fromExternal"); + } + if (extraOptions.hasKey("triggeringSponsoredURL")) { + globalHistoryOptions = { + triggeringSponsoredURL: extraOptions.getPropertyAsACString( + "triggeringSponsoredURL" + ), + }; + if (extraOptions.hasKey("triggeringSponsoredURLVisitTimeMS")) { + globalHistoryOptions.triggeringSponsoredURLVisitTimeMS = + extraOptions.getPropertyAsUint64( + "triggeringSponsoredURLVisitTimeMS" + ); + } + } + if (extraOptions.hasKey("triggeringRemoteType")) { + triggeringRemoteType = extraOptions.getPropertyAsACString( + "triggeringRemoteType" + ); + } + if (extraOptions.hasKey("forceAllowDataURI")) { + forceAllowDataURI = + extraOptions.getPropertyAsBool("forceAllowDataURI"); + } + if (extraOptions.hasKey("wasSchemelessInput")) { + wasSchemelessInput = + extraOptions.getPropertyAsBool("wasSchemelessInput"); + } + } + + try { + openLinkIn(uriToLoad, "current", { + referrerInfo: window.arguments[2] || null, + postData: window.arguments[3] || null, + allowThirdPartyFixup: window.arguments[4] || false, + userContextId, + // pass the origin principal (if any) and force its use to create + // an initial about:blank viewer if present: + originPrincipal: window.arguments[6], + originStoragePrincipal: window.arguments[7], + triggeringPrincipal: window.arguments[8], + // TODO fix allowInheritPrincipal to default to false. + // Default to true unless explicitly set to false because of bug 1475201. + allowInheritPrincipal: window.arguments[9] !== false, + csp: window.arguments[10], + forceAboutBlankViewerInCurrent: !!window.arguments[6], + forceAllowDataURI, + hasValidUserGestureActivation, + fromExternal, + globalHistoryOptions, + triggeringRemoteType, + wasSchemelessInput, + }); + } catch (e) { + console.error(e); + } + + window.focus(); + } else { + // Note: loadOneOrMoreURIs *must not* be called if window.arguments.length >= 3. + // Such callers expect that window.arguments[0] is handled as a single URI. + loadOneOrMoreURIs( + uriToLoad, + Services.scriptSecurityManager.getSystemPrincipal(), + null + ); + } + }); + }, + + /** + * Use this function as an entry point to schedule tasks that + * need to run once per window after startup, and can be scheduled + * by using an idle callback. + * + * The functions scheduled here will fire from idle callbacks + * once every window has finished being restored by session + * restore, and after the equivalent only-once tasks + * have run (from _scheduleStartupIdleTasks in BrowserGlue.sys.mjs). + */ + _schedulePerWindowIdleTasks() { + // Bail out if the window has been closed in the meantime. + if (window.closed) { + return; + } + + function scheduleIdleTask(func, options) { + requestIdleCallback(function idleTaskRunner() { + if (!window.closed) { + func(); + } + }, options); + } + + scheduleIdleTask(() => { + // Initialize the Sync UI + gSync.init(); + }); + + scheduleIdleTask(() => { + // Read prefers-reduced-motion setting + let reduceMotionQuery = window.matchMedia( + "(prefers-reduced-motion: reduce)" + ); + function readSetting() { + gReduceMotionSetting = reduceMotionQuery.matches; + } + reduceMotionQuery.addListener(readSetting); + readSetting(); + }); + + scheduleIdleTask(() => { + // setup simple gestures support + gGestureSupport.init(true); + + // setup history swipe animation + gHistorySwipeAnimation.init(); + }); + + scheduleIdleTask(() => { + gBrowserThumbnails.init(); + }); + + scheduleIdleTask( + () => { + // Initialize the download manager some time after the app starts so that + // auto-resume downloads begin (such as after crashing or quitting with + // active downloads) and speeds up the first-load of the download manager UI. + // If the user manually opens the download manager before the timeout, the + // downloads will start right away, and initializing again won't hurt. + try { + DownloadsCommon.initializeAllDataLinks(); + ChromeUtils.importESModule( + "resource:///modules/DownloadsTaskbar.sys.mjs" + ).DownloadsTaskbar.registerIndicator(window); + if (AppConstants.platform == "macosx") { + ChromeUtils.importESModule( + "resource:///modules/DownloadsMacFinderProgress.sys.mjs" + ).DownloadsMacFinderProgress.register(); + } + Services.telemetry.setEventRecordingEnabled("downloads", true); + } catch (ex) { + console.error(ex); + } + }, + { timeout: 10000 } + ); + + if (Win7Features) { + scheduleIdleTask(() => Win7Features.onOpenWindow()); + } + + scheduleIdleTask(async () => { + NewTabPagePreloading.maybeCreatePreloadedBrowser(window); + }); + + scheduleIdleTask(() => { + gGfxUtils.init(); + }); + + // This should always go last, since the idle tasks (except for the ones with + // timeouts) should execute in order. Note that this observer notification is + // not guaranteed to fire, since the window could close before we get here. + scheduleIdleTask(() => { + this.idleTasksFinished.resolve(); + Services.obs.notifyObservers( + window, + "browser-idle-startup-tasks-finished" + ); + }); + + scheduleIdleTask(() => { + gProfiles.init(); + }); + }, + + // Returns the URI(s) to load at startup if it is immediately known, or a + // promise resolving to the URI to load. + get uriToLoadPromise() { + delete this.uriToLoadPromise; + return (this.uriToLoadPromise = (function () { + // window.arguments[0]: URI to load (string), or an nsIArray of + // nsISupportsStrings to load, or a xul:tab of + // a tabbrowser, which will be replaced by this + // window (for this case, all other arguments are + // ignored). + let uri = window.arguments?.[0]; + if (!uri || window.XULElement.isInstance(uri)) { + return null; + } + + let defaultArgs = BrowserHandler.defaultArgs; + + // If the given URI is different from the homepage, we want to load it. + if (uri != defaultArgs) { + AboutNewTab.noteNonDefaultStartup(); + + if (uri instanceof Ci.nsIArray) { + // Transform the nsIArray of nsISupportsString's into a JS Array of + // JS strings. + return Array.from( + uri.enumerate(Ci.nsISupportsString), + supportStr => supportStr.data + ); + } else if (uri instanceof Ci.nsISupportsString) { + return uri.data; + } + return uri; + } + + // The URI appears to be the the homepage. We want to load it only if + // session restore isn't about to override the homepage. + let willOverride = SessionStartup.willOverrideHomepage; + if (typeof willOverride == "boolean") { + return willOverride ? null : uri; + } + return willOverride.then(willOverrideHomepage => + willOverrideHomepage ? null : uri + ); + })()); + }, + + // Calls the given callback with the URI to load at startup. + // Synchronously if possible, or after uriToLoadPromise resolves otherwise. + _callWithURIToLoad(callback) { + let uriToLoad = this.uriToLoadPromise; + if (uriToLoad && uriToLoad.then) { + uriToLoad.then(callback); + } else { + callback(uriToLoad); + } + }, + + onUnload() { + gUIDensity.uninit(); + + TabsInTitlebar.uninit(); + + ToolbarIconColor.uninit(); + + // In certain scenarios it's possible for unload to be fired before onload, + // (e.g. if the window is being closed after browser.js loads but before the + // load completes). In that case, there's nothing to do here. + if (!this._loadHandled) { + return; + } + + // First clean up services initialized in gBrowserInit.onLoad (or those whose + // uninit methods don't depend on the services having been initialized). + + CombinedStopReload.uninit(); + + gGestureSupport.init(false); + + gHistorySwipeAnimation.uninit(); + + FullScreen.uninit(); + + gSync.uninit(); + + gExtensionsNotifications.uninit(); + gUnifiedExtensions.uninit(); + + try { + gBrowser.removeProgressListener(window.XULBrowserWindow); + gBrowser.removeTabsProgressListener(window.TabsProgressListener); + } catch (ex) {} + + PlacesToolbarHelper.uninit(); + + BookmarkingUI.uninit(); + + TabletModeUpdater.uninit(); + + gTabletModePageCounter.finish(); + + CaptivePortalWatcher.uninit(); + + SidebarController.uninit(); + + DownloadsButton.uninit(); + + if (gToolbarKeyNavEnabled) { + ToolbarKeyboardNavigator.uninit(); + } + + BrowserSearch.uninit(); + + NewTabPagePreloading.removePreloadedBrowser(window); + + FirefoxViewHandler.uninit(); + + // Now either cancel delayedStartup, or clean up the services initialized from + // it. + if (this._boundDelayedStartup) { + this._cancelDelayedStartup(); + } else { + if (Win7Features) { + Win7Features.onCloseWindow(); + } + Services.prefs.removeObserver(ctrlTab.prefName, ctrlTab); + ctrlTab.uninit(); + gBrowserThumbnails.uninit(); + gProtectionsHandler.uninit(); + FullZoom.destroy(); + + Services.obs.removeObserver(gIdentityHandler, "perm-changed"); + Services.obs.removeObserver(gRemoteControl, "devtools-socket"); + Services.obs.removeObserver(gRemoteControl, "marionette-listening"); + Services.obs.removeObserver(gRemoteControl, "remote-listening"); + Services.obs.removeObserver( + gSessionHistoryObserver, + "browser:purge-session-history" + ); + Services.obs.removeObserver( + gStoragePressureObserver, + "QuotaManager::StoragePressure" + ); + Services.obs.removeObserver(gXPInstallObserver, "addon-install-disabled"); + Services.obs.removeObserver(gXPInstallObserver, "addon-install-started"); + Services.obs.removeObserver(gXPInstallObserver, "addon-install-blocked"); + Services.obs.removeObserver( + gXPInstallObserver, + "addon-install-fullscreen-blocked" + ); + Services.obs.removeObserver( + gXPInstallObserver, + "addon-install-origin-blocked" + ); + Services.obs.removeObserver( + gXPInstallObserver, + "addon-install-policy-blocked" + ); + Services.obs.removeObserver( + gXPInstallObserver, + "addon-install-webapi-blocked" + ); + Services.obs.removeObserver(gXPInstallObserver, "addon-install-failed"); + Services.obs.removeObserver( + gXPInstallObserver, + "addon-install-confirmation" + ); + Services.obs.removeObserver(gKeywordURIFixup, "keyword-uri-fixup"); + + MenuTouchModeObserver.uninit(); + BrowserOffline.uninit(); + CanvasPermissionPromptHelper.uninit(); + WebAuthnPromptHelper.uninit(); + PanelUI.uninit(); + } + + // Final window teardown, do this last. + gBrowser.destroy(); + window.XULBrowserWindow = null; + window.docShell.treeOwner + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIAppWindow).XULBrowserWindow = null; + window.browserDOMWindow = null; + }, +}; + +gBrowserInit.idleTasksFinishedPromise = gBrowserInit.idleTasksFinished.promise; |