forked from mirrors/gecko-dev
		
	 b3c4267b3c
			
		
	
	
		b3c4267b3c
		
	
	
	
	
		
			
			Differential Revision: https://phabricator.services.mozilla.com/D34460 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			559 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			559 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* 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/. */
 | |
| 
 | |
| /**
 | |
|  * SidebarUI controls showing and hiding the browser sidebar.
 | |
|  */
 | |
| var SidebarUI = {
 | |
|   get sidebars() {
 | |
|     if (this._sidebars) {
 | |
|       return this._sidebars;
 | |
|     }
 | |
|     return this._sidebars = new Map([
 | |
|       ["viewBookmarksSidebar", {
 | |
|         title: document.getElementById("sidebar-switcher-bookmarks")
 | |
|                        .getAttribute("label"),
 | |
|         url: "chrome://browser/content/places/bookmarksSidebar.xul",
 | |
|         menuId: "menu_bookmarksSidebar",
 | |
|         buttonId: "sidebar-switcher-bookmarks",
 | |
|       }],
 | |
|       ["viewHistorySidebar", {
 | |
|         title: document.getElementById("sidebar-switcher-history")
 | |
|                        .getAttribute("label"),
 | |
|         url: "chrome://browser/content/places/historySidebar.xul",
 | |
|         menuId: "menu_historySidebar",
 | |
|         buttonId: "sidebar-switcher-history",
 | |
|         triggerButtonId: "appMenuViewHistorySidebar",
 | |
|       }],
 | |
|       ["viewTabsSidebar", {
 | |
|         title: document.getElementById("sidebar-switcher-tabs")
 | |
|                        .getAttribute("label"),
 | |
|         url: "chrome://browser/content/syncedtabs/sidebar.xhtml",
 | |
|         menuId: "menu_tabsSidebar",
 | |
|         buttonId: "sidebar-switcher-tabs",
 | |
|         triggerButtonId: "PanelUI-remotetabs-view-sidebar",
 | |
|       }],
 | |
|     ]);
 | |
|   },
 | |
| 
 | |
|   // Avoid getting the browser element from init() to avoid triggering the
 | |
|   // <browser> constructor during startup if the sidebar is hidden.
 | |
|   get browser() {
 | |
|     if (this._browser)
 | |
|       return this._browser;
 | |
|     return this._browser = document.getElementById("sidebar");
 | |
|   },
 | |
|   POSITION_START_PREF: "sidebar.position_start",
 | |
|   DEFAULT_SIDEBAR_ID: "viewBookmarksSidebar",
 | |
| 
 | |
|   // lastOpenedId is set in show() but unlike currentID it's not cleared out on hide
 | |
|   // and isn't persisted across windows
 | |
|   lastOpenedId: null,
 | |
| 
 | |
|   _box: null,
 | |
|   // The constructor of this label accesses the browser element due to the
 | |
|   // control="sidebar" attribute, so avoid getting this label during startup.
 | |
|   get _title() {
 | |
|     if (this.__title)
 | |
|       return this.__title;
 | |
|     return this.__title = document.getElementById("sidebar-title");
 | |
|   },
 | |
|   _splitter: null,
 | |
|   _icon: null,
 | |
|   _reversePositionButton: null,
 | |
|   _switcherPanel: null,
 | |
|   _switcherTarget: null,
 | |
|   _switcherArrow: null,
 | |
|   _inited: false,
 | |
| 
 | |
|   _initDeferred: PromiseUtils.defer(),
 | |
| 
 | |
|   get promiseInitialized() {
 | |
|     return this._initDeferred.promise;
 | |
|   },
 | |
| 
 | |
|   get initialized() {
 | |
|     return this._inited;
 | |
|   },
 | |
| 
 | |
|   init() {
 | |
|     this._box = document.getElementById("sidebar-box");
 | |
|     this._splitter = document.getElementById("sidebar-splitter");
 | |
|     this._icon = document.getElementById("sidebar-icon");
 | |
|     this._reversePositionButton = document.getElementById("sidebar-reverse-position");
 | |
|     this._switcherPanel = document.getElementById("sidebarMenu-popup");
 | |
|     this._switcherTarget = document.getElementById("sidebar-switcher-target");
 | |
|     this._switcherArrow = document.getElementById("sidebar-switcher-arrow");
 | |
| 
 | |
|     this._switcherTarget.addEventListener("command", () => {
 | |
|       this.toggleSwitcherPanel();
 | |
|     });
 | |
| 
 | |
|     this._inited = true;
 | |
| 
 | |
|     this._initDeferred.resolve();
 | |
|   },
 | |
| 
 | |
|   uninit() {
 | |
|     // If this is the last browser window, persist various values that should be
 | |
|     // remembered for after a restart / reopening a browser window.
 | |
|     let enumerator = Services.wm.getEnumerator("navigator:browser");
 | |
|     if (!enumerator.hasMoreElements()) {
 | |
|       let xulStore = Services.xulStore;
 | |
|       xulStore.persist(this._box, "sidebarcommand");
 | |
| 
 | |
|       if (this._box.hasAttribute("positionend")) {
 | |
|         xulStore.persist(this._box, "positionend");
 | |
|       } else {
 | |
|         xulStore.removeValue(document.documentURI, "sidebar-box", "positionend");
 | |
|       }
 | |
|       if (this._box.hasAttribute("checked")) {
 | |
|         xulStore.persist(this._box, "checked");
 | |
|       } else {
 | |
|         xulStore.removeValue(document.documentURI, "sidebar-box", "checked");
 | |
|       }
 | |
| 
 | |
|       xulStore.persist(this._box, "width");
 | |
|       xulStore.persist(this._title, "value");
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Opens the switcher panel if it's closed, or closes it if it's open.
 | |
|    */
 | |
|   toggleSwitcherPanel() {
 | |
|     if (this._switcherPanel.state == "open" || this._switcherPanel.state == "showing") {
 | |
|       this.hideSwitcherPanel();
 | |
|     } else if (this._switcherPanel.state == "closed") {
 | |
|       this.showSwitcherPanel();
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   hideSwitcherPanel() {
 | |
|     this._switcherPanel.hidePopup();
 | |
|   },
 | |
| 
 | |
|   showSwitcherPanel() {
 | |
|     this._ensureShortcutsShown();
 | |
|     this._switcherPanel.addEventListener("popuphiding", () => {
 | |
|       this._switcherTarget.classList.remove("active");
 | |
|     }, {once: true});
 | |
| 
 | |
|     // Combine start/end position with ltr/rtl to set the label in the popup appropriately.
 | |
|     let label = this._positionStart == RTL_UI ?
 | |
|                   gNavigatorBundle.getString("sidebar.moveToLeft") :
 | |
|                   gNavigatorBundle.getString("sidebar.moveToRight");
 | |
|     this._reversePositionButton.setAttribute("label", label);
 | |
| 
 | |
|     this._switcherPanel.hidden = false;
 | |
|     this._switcherPanel.openPopup(this._icon);
 | |
|     this._switcherTarget.classList.add("active");
 | |
|   },
 | |
| 
 | |
|   updateShortcut({button, key}) {
 | |
|     // If the shortcuts haven't been rendered yet then it will be set correctly
 | |
|     // on the first render so there's nothing to do now.
 | |
|     if (!this._addedShortcuts) {
 | |
|       return;
 | |
|     }
 | |
|     if (key) {
 | |
|       let keyId = key.getAttribute("id");
 | |
|       button = this._switcherPanel.querySelector(`[key="${keyId}"]`);
 | |
|     } else if (button) {
 | |
|       let keyId = button.getAttribute("key");
 | |
|       key = document.getElementById(keyId);
 | |
|     }
 | |
|     if (!button || !key) {
 | |
|       return;
 | |
|     }
 | |
|     button.setAttribute("shortcut", ShortcutUtils.prettifyShortcut(key));
 | |
|   },
 | |
| 
 | |
|   _addedShortcuts: false,
 | |
|   _ensureShortcutsShown() {
 | |
|     if (this._addedShortcuts) {
 | |
|       return;
 | |
|     }
 | |
|     this._addedShortcuts = true;
 | |
|     for (let button of this._switcherPanel.querySelectorAll("toolbarbutton[key]")) {
 | |
|       this.updateShortcut({button});
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Change the pref that will trigger a call to setPosition
 | |
|    */
 | |
|   reversePosition() {
 | |
|     Services.prefs.setBoolPref(this.POSITION_START_PREF, !this._positionStart);
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Read the positioning pref and position the sidebar and the splitter
 | |
|    * appropriately within the browser container.
 | |
|    */
 | |
|   setPosition() {
 | |
|     // First reset all ordinals to match DOM ordering.
 | |
|     let browser = document.getElementById("browser");
 | |
|     [...browser.children].forEach((node, i) => {
 | |
|       node.ordinal = i + 1;
 | |
|     });
 | |
| 
 | |
|     if (!this._positionStart) {
 | |
|       // DOM ordering is:     |  sidebar-box  | splitter |   appcontent  |
 | |
|       // Want to display as:  |   appcontent  | splitter |  sidebar-box  |
 | |
|       // So we just swap box and appcontent ordering
 | |
|       let appcontent = document.getElementById("appcontent");
 | |
|       let boxOrdinal = this._box.ordinal;
 | |
|       this._box.ordinal = appcontent.ordinal;
 | |
|       appcontent.ordinal = boxOrdinal;
 | |
|       // Indicate we've switched ordering to the box
 | |
|       this._box.setAttribute("positionend", true);
 | |
|     } else {
 | |
|       this._box.removeAttribute("positionend");
 | |
|     }
 | |
| 
 | |
|     this.hideSwitcherPanel();
 | |
| 
 | |
|     let content = SidebarUI.browser.contentWindow;
 | |
|     if (content && content.updatePosition) {
 | |
|       content.updatePosition();
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Try and adopt the status of the sidebar from another window.
 | |
|    * @param {Window} sourceWindow - Window to use as a source for sidebar status.
 | |
|    * @return true if we adopted the state, or false if the caller should
 | |
|    * initialize the state itself.
 | |
|    */
 | |
|   adoptFromWindow(sourceWindow) {
 | |
|     // If the opener had a sidebar, open the same sidebar in our window.
 | |
|     // The opener can be the hidden window too, if we're coming from the state
 | |
|     // where no windows are open, and the hidden window has no sidebar box.
 | |
|     let sourceUI = sourceWindow.SidebarUI;
 | |
|     if (!sourceUI || !sourceUI._box) {
 | |
|       // no source UI or no _box means we also can't adopt the state.
 | |
|       return false;
 | |
|     }
 | |
| 
 | |
|     // Set sidebar command even if hidden, so that we keep the same sidebar
 | |
|     // even if it's currently closed.
 | |
|     let commandID = sourceUI._box.getAttribute("sidebarcommand");
 | |
|     if (commandID) {
 | |
|       this._box.setAttribute("sidebarcommand", commandID);
 | |
|     }
 | |
| 
 | |
|     if (sourceUI._box.hidden) {
 | |
|       // just hidden means we have adopted the hidden state.
 | |
|       return true;
 | |
|     }
 | |
| 
 | |
|     // dynamically generated sidebars will fail this check, but we still
 | |
|     // consider it adopted.
 | |
|     if (!this.sidebars.has(commandID)) {
 | |
|       return true;
 | |
|     }
 | |
| 
 | |
|     this._box.setAttribute("width", sourceUI._box.getBoundingClientRect().width);
 | |
|     this.showInitially(commandID);
 | |
| 
 | |
|     return true;
 | |
|   },
 | |
| 
 | |
|   windowPrivacyMatches(w1, w2) {
 | |
|     return PrivateBrowsingUtils.isWindowPrivate(w1) === PrivateBrowsingUtils.isWindowPrivate(w2);
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * If loading a sidebar was delayed on startup, start the load now.
 | |
|    */
 | |
|   startDelayedLoad() {
 | |
|     let sourceWindow = window.opener;
 | |
|     // No source window means this is the initial window.  If we're being
 | |
|     // opened from another window, check that it is one we might open a sidebar
 | |
|     // for.
 | |
|     if (sourceWindow) {
 | |
|       if (sourceWindow.closed || sourceWindow.location.protocol != "chrome:" ||
 | |
|         !this.windowPrivacyMatches(sourceWindow, window)) {
 | |
|         return;
 | |
|       }
 | |
|       // Try to adopt the sidebar state from the source window
 | |
|       if (this.adoptFromWindow(sourceWindow)) {
 | |
|         return;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     // If we're not adopting settings from a parent window, set them now.
 | |
|     let wasOpen = this._box.getAttribute("checked");
 | |
|     if (!wasOpen) {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     let commandID = this._box.getAttribute("sidebarcommand");
 | |
|     if (commandID && this.sidebars.has(commandID)) {
 | |
|       this.showInitially(commandID);
 | |
|     } else {
 | |
|       this._box.removeAttribute("checked");
 | |
|       // Remove the |sidebarcommand| attribute, because the element it
 | |
|       // refers to no longer exists, so we should assume this sidebar
 | |
|       // panel has been uninstalled. (249883)
 | |
|       // We use setAttribute rather than removeAttribute so it persists
 | |
|       // correctly.
 | |
|       this._box.setAttribute("sidebarcommand", "");
 | |
|       // On a startup in which the startup cache was invalidated (e.g. app update)
 | |
|       // extensions will not be started prior to delayedLoad, thus the
 | |
|       // sidebarcommand element will not exist yet.  Store the commandID so
 | |
|       // extensions may reopen if necessary.  A startup cache invalidation
 | |
|       // can be forced (for testing) by deleting compatibility.ini from the
 | |
|       // profile.
 | |
|       this.lastOpenedId = commandID;
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Fire a "SidebarShown" event on the sidebar to give any interested parties
 | |
|    * a chance to update the button or whatever.
 | |
|    */
 | |
|   _fireShowEvent() {
 | |
|     let event = new CustomEvent("SidebarShown", {bubbles: true});
 | |
|     this._switcherTarget.dispatchEvent(event);
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Fire a "SidebarFocused" event on the sidebar's |window| to give the sidebar
 | |
|    * a chance to adjust focus as needed. An additional event is needed, because
 | |
|    * we don't want to focus the sidebar when it's opened on startup or in a new
 | |
|    * window, only when the user opens the sidebar.
 | |
|    */
 | |
|   _fireFocusedEvent() {
 | |
|     let event = new CustomEvent("SidebarFocused", {bubbles: true});
 | |
|     this.browser.contentWindow.dispatchEvent(event);
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * True if the sidebar is currently open.
 | |
|    */
 | |
|   get isOpen() {
 | |
|     return !this._box.hidden;
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * The ID of the current sidebar.
 | |
|    */
 | |
|   get currentID() {
 | |
|     return this.isOpen ? this._box.getAttribute("sidebarcommand") : "";
 | |
|   },
 | |
| 
 | |
|   get title() {
 | |
|     return this._title.value;
 | |
|   },
 | |
| 
 | |
|   set title(value) {
 | |
|     this._title.value = value;
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Toggle the visibility of the sidebar. If the sidebar is hidden or is open
 | |
|    * with a different commandID, then the sidebar will be opened using the
 | |
|    * specified commandID. Otherwise the sidebar will be hidden.
 | |
|    *
 | |
|    * @param  {string}  commandID     ID of the sidebar.
 | |
|    * @param  {DOMNode} [triggerNode] Node, usually a button, that triggered the
 | |
|    *                                 visibility toggling of the sidebar.
 | |
|    * @return {Promise}
 | |
|    */
 | |
|   toggle(commandID = this.lastOpenedId, triggerNode) {
 | |
|     // First priority for a default value is this.lastOpenedId which is set during show()
 | |
|     // and not reset in hide(), unlike currentID. If show() hasn't been called and we don't
 | |
|     // have a persisted command either, or the command doesn't exist anymore, then
 | |
|     // fallback to a default sidebar.
 | |
|     if (!commandID) {
 | |
|       commandID = this._box.getAttribute("sidebarcommand");
 | |
|     }
 | |
|     if (!commandID || !this.sidebars.has(commandID)) {
 | |
|       commandID = this.DEFAULT_SIDEBAR_ID;
 | |
|     }
 | |
| 
 | |
|     if (this.isOpen && commandID == this.currentID) {
 | |
|       this.hide(triggerNode);
 | |
|       return Promise.resolve();
 | |
|     }
 | |
|     return this.show(commandID, triggerNode);
 | |
|   },
 | |
| 
 | |
|   _loadSidebarExtension(commandID) {
 | |
|     let sidebar = this.sidebars.get(commandID);
 | |
|     let {extensionId} = sidebar;
 | |
|     if (extensionId) {
 | |
|       SidebarUI.browser.contentWindow.loadPanel(extensionId, sidebar.panel,
 | |
|                                                 sidebar.browserStyle);
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Show the sidebar.
 | |
|    *
 | |
|    * This wraps the internal method, including a ping to telemetry.
 | |
|    *
 | |
|    * @param {string}  commandID     ID of the sidebar to use.
 | |
|    * @param {DOMNode} [triggerNode] Node, usually a button, that triggered the
 | |
|    *                                showing of the sidebar.
 | |
|    * @return {Promise<boolean>}
 | |
|    */
 | |
|   async show(commandID, triggerNode) {
 | |
|     // Extensions without private window access wont be in the
 | |
|     // sidebars map.
 | |
|     if (!this.sidebars.has(commandID)) {
 | |
|       return false;
 | |
|     }
 | |
|     return this._show(commandID).then(() => {
 | |
|       this._loadSidebarExtension(commandID);
 | |
| 
 | |
|       if (triggerNode) {
 | |
|         updateToggleControlLabel(triggerNode);
 | |
|       }
 | |
| 
 | |
|       this._fireFocusedEvent();
 | |
|       return true;
 | |
|     });
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Show the sidebar, without firing the focused event or logging telemetry.
 | |
|    * This is intended to be used when the sidebar is opened automatically
 | |
|    * when a window opens (not triggered by user interaction).
 | |
|    *
 | |
|    * @param {string} commandID ID of the sidebar.
 | |
|    * @return {Promise<boolean>}
 | |
|    */
 | |
|   async showInitially(commandID) {
 | |
|     // Extensions without private window access wont be in the
 | |
|     // sidebars map.
 | |
|     if (!this.sidebars.has(commandID)) {
 | |
|       return false;
 | |
|     }
 | |
|     return this._show(commandID).then(() => {
 | |
|       this._loadSidebarExtension(commandID);
 | |
|       return true;
 | |
|     });
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Implementation for show. Also used internally for sidebars that are shown
 | |
|    * when a window is opened and we don't want to ping telemetry.
 | |
|    *
 | |
|    * @param {string} commandID ID of the sidebar.
 | |
|    * @return {Promise<void>}
 | |
|    */
 | |
|   _show(commandID) {
 | |
|     return new Promise(resolve => {
 | |
|       this.selectMenuItem(commandID);
 | |
| 
 | |
|       this._box.hidden = this._splitter.hidden = false;
 | |
|       this.setPosition();
 | |
| 
 | |
|       this.hideSwitcherPanel();
 | |
| 
 | |
|       this._box.setAttribute("checked", "true");
 | |
|       this._box.setAttribute("sidebarcommand", commandID);
 | |
|       this.lastOpenedId = commandID;
 | |
| 
 | |
|       let {url, title} = this.sidebars.get(commandID);
 | |
|       this.title = title;
 | |
|       this.browser.setAttribute("src", url); // kick off async load
 | |
| 
 | |
|       if (this.browser.contentDocument.location.href != url) {
 | |
|         this.browser.addEventListener("load", event => {
 | |
|           // We're handling the 'load' event before it bubbles up to the usual
 | |
|           // (non-capturing) event handlers. Let it bubble up before resolving.
 | |
|           setTimeout(() => {
 | |
|             resolve();
 | |
| 
 | |
|             // Now that the currentId is updated, fire a show event.
 | |
|             this._fireShowEvent();
 | |
|           }, 0);
 | |
|         }, {capture: true, once: true});
 | |
|       } else {
 | |
|         resolve();
 | |
| 
 | |
|         // Now that the currentId is updated, fire a show event.
 | |
|         this._fireShowEvent();
 | |
|       }
 | |
| 
 | |
|       let selBrowser = gBrowser.selectedBrowser;
 | |
|       selBrowser.messageManager.sendAsyncMessage("Sidebar:VisibilityChange",
 | |
|         {commandID, isOpen: true}
 | |
|       );
 | |
|     });
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Hide the sidebar.
 | |
|    *
 | |
|    * @param {DOMNode} [triggerNode] Node, usually a button, that triggered the
 | |
|    *                                hiding of the sidebar.
 | |
|    */
 | |
|   hide(triggerNode) {
 | |
|     if (!this.isOpen) {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     this.hideSwitcherPanel();
 | |
| 
 | |
|     let commandID = this._box.getAttribute("sidebarcommand");
 | |
|     this.selectMenuItem("");
 | |
| 
 | |
|     // Replace the document currently displayed in the sidebar with about:blank
 | |
|     // so that we can free memory by unloading the page. We need to explicitly
 | |
|     // create a new content viewer because the old one doesn't get destroyed
 | |
|     // until about:blank has loaded (which does not happen as long as the
 | |
|     // element is hidden).
 | |
|     this.browser.setAttribute("src", "about:blank");
 | |
|     this.browser.docShell.createAboutBlankContentViewer(null, null);
 | |
| 
 | |
|     this._box.removeAttribute("checked");
 | |
|     this._box.hidden = this._splitter.hidden = true;
 | |
| 
 | |
|     let selBrowser = gBrowser.selectedBrowser;
 | |
|     selBrowser.focus();
 | |
|     selBrowser.messageManager.sendAsyncMessage("Sidebar:VisibilityChange",
 | |
|       {commandID, isOpen: false}
 | |
|     );
 | |
|     if (triggerNode) {
 | |
|       updateToggleControlLabel(triggerNode);
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   /**
 | |
|    * Sets the checked state only on the menu items of the specified sidebar, or
 | |
|    * none if the argument is an empty string.
 | |
|    */
 | |
|   selectMenuItem(commandID) {
 | |
|     for (let [id, {menuId, buttonId, triggerButtonId}] of this.sidebars) {
 | |
|       let menu = document.getElementById(menuId);
 | |
|       let button = document.getElementById(buttonId);
 | |
|       let triggerbutton = triggerButtonId && document.getElementById(triggerButtonId);
 | |
|       if (id == commandID) {
 | |
|         menu.setAttribute("checked", "true");
 | |
|         button.setAttribute("checked", "true");
 | |
|         if (triggerbutton) {
 | |
|           triggerbutton.setAttribute("checked", "true");
 | |
|           updateToggleControlLabel(triggerbutton);
 | |
|         }
 | |
|       } else {
 | |
|         menu.removeAttribute("checked");
 | |
|         button.removeAttribute("checked");
 | |
|         if (triggerbutton) {
 | |
|           triggerbutton.removeAttribute("checked");
 | |
|           updateToggleControlLabel(triggerbutton);
 | |
|         }
 | |
|       }
 | |
|     }
 | |
|   },
 | |
| };
 | |
| 
 | |
| // Add getters related to the position here, since we will want them
 | |
| // available for both startDelayedLoad and init.
 | |
| XPCOMUtils.defineLazyPreferenceGetter(SidebarUI, "_positionStart",
 | |
|   SidebarUI.POSITION_START_PREF, true, SidebarUI.setPosition.bind(SidebarUI));
 |