forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			612 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			612 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
# -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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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var FullScreen = {
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  _XULNS: "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
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  toggle: function (event) {
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    var enterFS = window.fullScreen;
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    // We get the fullscreen event _before_ the window transitions into or out of FS mode.
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    if (event && event.type == "fullscreen")
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      enterFS = !enterFS;
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    // Toggle the View:FullScreen command, which controls elements like the
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    // fullscreen menuitem, menubars, and the appmenu.
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    document.getElementById("View:FullScreen").setAttribute("checked", enterFS);
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#ifdef XP_MACOSX
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    // Make sure the menu items are adjusted.
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    document.getElementById("enterFullScreenItem").hidden = enterFS;
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    document.getElementById("exitFullScreenItem").hidden = !enterFS;
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#endif
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    // On OS X Lion we don't want to hide toolbars when entering fullscreen, unless
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    // we're entering DOM fullscreen, in which case we should hide the toolbars.
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    // If we're leaving fullscreen, then we'll go through the exit code below to
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    // make sure toolbars are made visible in the case of DOM fullscreen.
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    if (enterFS && this.useLionFullScreen) {
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      if (document.mozFullScreen) {
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        this.showXULChrome("toolbar", false);
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      }
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      else {
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        gNavToolbox.setAttribute("inFullscreen", true);
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        document.documentElement.setAttribute("inFullscreen", true);
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      }
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      return;
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    }
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    // show/hide menubars, toolbars (except the full screen toolbar)
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    this.showXULChrome("toolbar", !enterFS);
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    if (enterFS) {
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      // Add a tiny toolbar to receive mouseover and dragenter events, and provide affordance.
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      // This will help simulate the "collapse" metaphor while also requiring less code and
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      // events than raw listening of mouse coords. We don't add the toolbar in DOM full-screen
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      // mode, only browser full-screen mode.
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      if (!document.mozFullScreen) {
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        let fullScrToggler = document.getElementById("fullscr-toggler");
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        if (!fullScrToggler) {
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          fullScrToggler = document.createElement("hbox");
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          fullScrToggler.id = "fullscr-toggler";
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          fullScrToggler.collapsed = true;
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          gNavToolbox.parentNode.insertBefore(fullScrToggler, gNavToolbox.nextSibling);
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        }
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        fullScrToggler.addEventListener("mouseover", this._expandCallback, false);
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        fullScrToggler.addEventListener("dragenter", this._expandCallback, false);
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      }
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      if (gPrefService.getBoolPref("browser.fullscreen.autohide"))
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        gBrowser.mPanelContainer.addEventListener("mousemove",
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                                                  this._collapseCallback, false);
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      document.addEventListener("keypress", this._keyToggleCallback, false);
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      document.addEventListener("popupshown", this._setPopupOpen, false);
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      document.addEventListener("popuphidden", this._setPopupOpen, false);
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      // We don't animate the toolbar collapse if in DOM full-screen mode,
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      // as the size of the content area would still be changing after the
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      // mozfullscreenchange event fired, which could confuse content script.
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      this._shouldAnimate = !document.mozFullScreen;
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      this.mouseoverToggle(false);
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      // Autohide prefs
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      gPrefService.addObserver("browser.fullscreen", this, false);
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    }
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    else {
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      // The user may quit fullscreen during an animation
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      this._cancelAnimation();
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      gNavToolbox.style.marginTop = "";
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      if (this._isChromeCollapsed)
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        this.mouseoverToggle(true);
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      // This is needed if they use the context menu to quit fullscreen
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      this._isPopupOpen = false;
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      this.cleanup();
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    }
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  },
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  exitDomFullScreen : function() {
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    document.mozCancelFullScreen();
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  },
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  handleEvent: function (event) {
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    switch (event.type) {
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      case "deactivate":
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        // We must call exitDomFullScreen asynchronously, since "deactivate" is
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        // dispatched in the middle of the focus manager's window lowering code,
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        // and the focus manager gets confused if we exit fullscreen mode in the
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        // middle of window lowering. See bug 729872.
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        setTimeout(this.exitDomFullScreen.bind(this), 0);
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        break;
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      case "transitionend":
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        if (event.propertyName == "opacity")
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          this.cancelWarning();
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        break;
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    }
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  },
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  enterDomFullscreen : function(event) {
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    if (!document.mozFullScreen)
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      return;
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    // However, if we receive a "MozEnteredDomFullScreen" event for a document
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    // which is not a subdocument of the currently selected tab, we know that
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    // we've switched tabs since the request to enter full-screen was made,
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    // so we should exit full-screen since the "full-screen document" isn't
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    // acutally visible.
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    if (event.target.defaultView.top != gBrowser.contentWindow) {
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      document.mozCancelFullScreen();
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      return;
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    }
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    let focusManager = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
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    if (focusManager.activeWindow != window) {
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      // The top-level window has lost focus since the request to enter
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      // full-screen was made. Cancel full-screen.
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      document.mozCancelFullScreen();
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      return;
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    }
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    // Ensure the sidebar is hidden.
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    if (!document.getElementById("sidebar-box").hidden)
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      toggleSidebar();
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    if (gFindBarInitialized)
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      gFindBar.close();
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    this.showWarning(event.target);
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    // Exit DOM full-screen mode upon open, close, or change tab.
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    gBrowser.tabContainer.addEventListener("TabOpen", this.exitDomFullScreen);
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    gBrowser.tabContainer.addEventListener("TabClose", this.exitDomFullScreen);
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    gBrowser.tabContainer.addEventListener("TabSelect", this.exitDomFullScreen);
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    // Exit DOM full-screen mode when the browser window loses focus (ALT+TAB, etc).
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    if (!this.useLionFullScreen &&
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        gPrefService.getBoolPref("full-screen-api.exit-on-deactivate")) {
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      window.addEventListener("deactivate", this);
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    }
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    // Cancel any "hide the toolbar" animation which is in progress, and make
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    // the toolbar hide immediately.
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    this._cancelAnimation();
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    this.mouseoverToggle(false);
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    // If there's a full-screen toggler, remove its listeners, so that mouseover
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    // the top of the screen will not cause the toolbar to re-appear.
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    let fullScrToggler = document.getElementById("fullscr-toggler");
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    if (fullScrToggler) {
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      fullScrToggler.removeEventListener("mouseover", this._expandCallback, false);
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      fullScrToggler.removeEventListener("dragenter", this._expandCallback, false);
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    }
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  },
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  cleanup: function () {
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    if (window.fullScreen) {
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      gBrowser.mPanelContainer.removeEventListener("mousemove",
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                                                   this._collapseCallback, false);
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      document.removeEventListener("keypress", this._keyToggleCallback, false);
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      document.removeEventListener("popupshown", this._setPopupOpen, false);
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      document.removeEventListener("popuphidden", this._setPopupOpen, false);
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      gPrefService.removeObserver("browser.fullscreen", this);
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      let fullScrToggler = document.getElementById("fullscr-toggler");
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      if (fullScrToggler) {
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        fullScrToggler.removeEventListener("mouseover", this._expandCallback, false);
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        fullScrToggler.removeEventListener("dragenter", this._expandCallback, false);
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      }
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      this.cancelWarning();
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      gBrowser.tabContainer.removeEventListener("TabOpen", this.exitDomFullScreen);
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      gBrowser.tabContainer.removeEventListener("TabClose", this.exitDomFullScreen);
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      gBrowser.tabContainer.removeEventListener("TabSelect", this.exitDomFullScreen);
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      if (!this.useLionFullScreen)
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        window.removeEventListener("deactivate", this);
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    }
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  },
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  observe: function(aSubject, aTopic, aData)
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  {
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    if (aData == "browser.fullscreen.autohide") {
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      if (gPrefService.getBoolPref("browser.fullscreen.autohide")) {
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        gBrowser.mPanelContainer.addEventListener("mousemove",
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                                                  this._collapseCallback, false);
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      }
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      else {
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        gBrowser.mPanelContainer.removeEventListener("mousemove",
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                                                     this._collapseCallback, false);
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      }
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    }
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  },
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  // Event callbacks
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  _expandCallback: function()
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  {
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    FullScreen.mouseoverToggle(true);
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  },
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  _collapseCallback: function()
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  {
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    FullScreen.mouseoverToggle(false);
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  },
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  _keyToggleCallback: function(aEvent)
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  {
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    // if we can use the keyboard (eg Ctrl+L or Ctrl+E) to open the toolbars, we
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    // should provide a way to collapse them too.
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    if (aEvent.keyCode == aEvent.DOM_VK_ESCAPE) {
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      FullScreen._shouldAnimate = false;
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      FullScreen.mouseoverToggle(false, true);
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    }
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    // F6 is another shortcut to the address bar, but its not covered in OpenLocation()
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    else if (aEvent.keyCode == aEvent.DOM_VK_F6)
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      FullScreen.mouseoverToggle(true);
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  },
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  // Checks whether we are allowed to collapse the chrome
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  _isPopupOpen: false,
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  _isChromeCollapsed: false,
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  _safeToCollapse: function(forceHide)
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  {
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    if (!gPrefService.getBoolPref("browser.fullscreen.autohide"))
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      return false;
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    // a popup menu is open in chrome: don't collapse chrome
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    if (!forceHide && this._isPopupOpen)
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      return false;
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    // a textbox in chrome is focused (location bar anyone?): don't collapse chrome
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    if (document.commandDispatcher.focusedElement &&
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        document.commandDispatcher.focusedElement.ownerDocument == document &&
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        document.commandDispatcher.focusedElement.localName == "input") {
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      if (forceHide)
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        // hidden textboxes that still have focus are bad bad bad
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        document.commandDispatcher.focusedElement.blur();
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      else
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        return false;
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    }
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    return true;
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  },
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  _setPopupOpen: function(aEvent)
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  {
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    // Popups should only veto chrome collapsing if they were opened when the chrome was not collapsed.
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    // Otherwise, they would not affect chrome and the user would expect the chrome to go away.
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    // e.g. we wouldn't want the autoscroll icon firing this event, so when the user
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    // toggles chrome when moving mouse to the top, it doesn't go away again.
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    if (aEvent.type == "popupshown" && !FullScreen._isChromeCollapsed &&
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        aEvent.target.localName != "tooltip" && aEvent.target.localName != "window")
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      FullScreen._isPopupOpen = true;
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    else if (aEvent.type == "popuphidden" && aEvent.target.localName != "tooltip" &&
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             aEvent.target.localName != "window")
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      FullScreen._isPopupOpen = false;
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  },
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  // Autohide helpers for the context menu item
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  getAutohide: function(aItem)
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  {
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    aItem.setAttribute("checked", gPrefService.getBoolPref("browser.fullscreen.autohide"));
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  },
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  setAutohide: function()
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  {
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    gPrefService.setBoolPref("browser.fullscreen.autohide", !gPrefService.getBoolPref("browser.fullscreen.autohide"));
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  },
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  // Animate the toolbars disappearing
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  _shouldAnimate: true,
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  _isAnimating: false,
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  _animationTimeout: 0,
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  _animationHandle: 0,
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  _animateUp: function() {
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    // check again, the user may have done something before the animation was due to start
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    if (!window.fullScreen || !this._safeToCollapse(false)) {
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      this._isAnimating = false;
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      this._shouldAnimate = true;
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      return;
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    }
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    this._animateStartTime = window.mozAnimationStartTime;
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    if (!this._animationHandle)
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      this._animationHandle = window.mozRequestAnimationFrame(this);
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  },
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  sample: function (timeStamp) {
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    const duration = 1500;
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    const timePassed = timeStamp - this._animateStartTime;
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    const pos = timePassed >= duration ? 1 :
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                1 - Math.pow(1 - timePassed / duration, 4);
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    if (pos >= 1) {
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      // We've animated enough
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      this._cancelAnimation();
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      gNavToolbox.style.marginTop = "";
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      this.mouseoverToggle(false);
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      return;
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    }
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    gNavToolbox.style.marginTop = (gNavToolbox.boxObject.height * pos * -1) + "px";
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    this._animationHandle = window.mozRequestAnimationFrame(this);
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  },
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  _cancelAnimation: function() {
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    window.mozCancelAnimationFrame(this._animationHandle);
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    this._animationHandle = 0;
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    clearTimeout(this._animationTimeout);
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    this._isAnimating = false;
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    this._shouldAnimate = false;
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  },
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  cancelWarning: function(event) {
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    if (!this.warningBox)
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      return;
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    this.fullscreenDoc = null;
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    this.warningBox.removeEventListener("transitionend", this);
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    if (this.warningFadeOutTimeout) {
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      clearTimeout(this.warningFadeOutTimeout);
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      this.warningFadeOutTimeout = null;
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    }
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    // Ensure focus switches away from the (now hidden) warning box. If the user
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    // clicked buttons in the fullscreen key authorization UI, it would have been
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    // focused, and any key events would be directed at the (now hidden) chrome
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    // document instead of the target document.
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    gBrowser.selectedBrowser.focus();
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    this.warningBox.setAttribute("hidden", true);
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    this.warningBox.removeAttribute("fade-warning-out");
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    this.warningBox.removeAttribute("obscure-browser");
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    this.warningBox = null;
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  },
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  setFullscreenAllowed: function(isApproved) {
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    // The "remember decision" checkbox is hidden when showing for documents that
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    // the permission manager can't handle (documents with URIs without a host).
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    // We simply require those to be approved every time instead.
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    let rememberCheckbox = document.getElementById("full-screen-remember-decision");
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    let uri = this.fullscreenDoc.nodePrincipal.URI;
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    if (!rememberCheckbox.hidden) {
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      if (rememberCheckbox.checked)
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        Services.perms.add(uri,
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                           "fullscreen",
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                           isApproved ? Services.perms.ALLOW_ACTION : Services.perms.DENY_ACTION,
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                           Services.perms.EXPIRE_NEVER);
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      else if (isApproved) {
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        // The user has only temporarily approved fullscren for this fullscreen
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        // session only. Add the permission (so Gecko knows to approve any further
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        // fullscreen requests for this host in this fullscreen session) but add
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        // a listener to revoke the permission when the chrome document exits
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        // fullscreen.
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        Services.perms.add(uri,
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                           "fullscreen",
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                           Services.perms.ALLOW_ACTION,
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                           Services.perms.EXPIRE_SESSION);
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        let host = uri.host;
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        var onFullscreenchange = function onFullscreenchange(event) {
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          if (event.target == document && document.mozFullScreenElement == null) {
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            // The chrome document has left fullscreen. Remove the temporary permission grant.
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            Services.perms.remove(host, "fullscreen");
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            document.removeEventListener("mozfullscreenchange", onFullscreenchange);
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          }
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        }
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        document.addEventListener("mozfullscreenchange", onFullscreenchange);
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      }
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    }
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    if (this.warningBox)
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      this.warningBox.setAttribute("fade-warning-out", "true");
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    // If the document has been granted fullscreen, notify Gecko so it can resume
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    // any pending pointer lock requests, otherwise exit fullscreen; the user denied
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    // the fullscreen request.
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    if (isApproved)
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      Services.obs.notifyObservers(this.fullscreenDoc, "fullscreen-approved", "");
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    else
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      document.mozCancelFullScreen();
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  },
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  warningBox: null,
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  warningFadeOutTimeout: null,
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  fullscreenDoc: null,
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  // Shows the fullscreen approval UI, or if the domain has already been approved
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  // for fullscreen, shows a warning that the site has entered fullscreen for a short
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  // duration.
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  showWarning: function(targetDoc) {
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    if (!document.mozFullScreen ||
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        !gPrefService.getBoolPref("full-screen-api.approval-required"))
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      return;
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    // Set the strings on the fullscreen approval UI.
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    this.fullscreenDoc = targetDoc;
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    let uri = this.fullscreenDoc.nodePrincipal.URI;
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    let host = null;
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    try {
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      host = uri.host;
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    } catch (e) { }
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    let hostLabel = document.getElementById("full-screen-domain-text");
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    let rememberCheckbox = document.getElementById("full-screen-remember-decision");
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    let isApproved = false;
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    if (host) {
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      // Document's principal's URI has a host. Display a warning including the hostname and
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      // show UI to enable the user to permanently grant this host permission to enter fullscreen.
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      let utils = {};
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      Cu.import("resource://gre/modules/DownloadUtils.jsm", utils);
 | 
						|
      let displayHost = utils.DownloadUtils.getURIHost(uri.spec)[0];
 | 
						|
      let bundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
 | 
						|
 | 
						|
      hostLabel.textContent = bundle.formatStringFromName("fullscreen.entered", [displayHost], 1);
 | 
						|
      hostLabel.removeAttribute("hidden");
 | 
						|
 | 
						|
      rememberCheckbox.label = bundle.formatStringFromName("fullscreen.rememberDecision", [displayHost], 1);
 | 
						|
      rememberCheckbox.checked = false;
 | 
						|
      rememberCheckbox.removeAttribute("hidden");
 | 
						|
 | 
						|
      // Note we only allow documents whose principal's URI has a host to
 | 
						|
      // store permission grants.
 | 
						|
      isApproved = Services.perms.testPermission(uri, "fullscreen") == Services.perms.ALLOW_ACTION;
 | 
						|
    } else {
 | 
						|
      hostLabel.setAttribute("hidden", "true");
 | 
						|
      rememberCheckbox.setAttribute("hidden", "true");
 | 
						|
    }
 | 
						|
 | 
						|
    // Note: the warning box can be non-null if the warning box from the previous request
 | 
						|
    // wasn't hidden before another request was made.
 | 
						|
    if (!this.warningBox) {
 | 
						|
      this.warningBox = document.getElementById("full-screen-warning-container");
 | 
						|
      // Add a listener to clean up state after the warning is hidden.
 | 
						|
      this.warningBox.addEventListener("transitionend", this);
 | 
						|
      this.warningBox.removeAttribute("hidden");
 | 
						|
    } else {
 | 
						|
      if (this.warningFadeOutTimeout) {
 | 
						|
        clearTimeout(this.warningFadeOutTimeout);
 | 
						|
        this.warningFadeOutTimeout = null;
 | 
						|
      }
 | 
						|
      this.warningBox.removeAttribute("fade-warning-out");
 | 
						|
    }
 | 
						|
 | 
						|
    // If fullscreen mode has not yet been approved for the fullscreen
 | 
						|
    // document's domain, show the approval UI and don't auto fade out the
 | 
						|
    // fullscreen warning box. Otherwise, we're just notifying of entry into
 | 
						|
    // fullscreen mode. Note if the resource's host is null, we must be
 | 
						|
    // showing a local file or a local data URI, and we require explicit
 | 
						|
    // approval every time.
 | 
						|
    let authUI = document.getElementById("full-screen-approval-pane");
 | 
						|
    if (isApproved) {
 | 
						|
      authUI.setAttribute("hidden", "true");
 | 
						|
      this.warningBox.removeAttribute("obscure-browser");
 | 
						|
    } else {
 | 
						|
      // Partially obscure the <browser> element underneath the approval UI.
 | 
						|
      this.warningBox.setAttribute("obscure-browser", "true");
 | 
						|
      authUI.removeAttribute("hidden");
 | 
						|
    }
 | 
						|
 | 
						|
    // If we're not showing the fullscreen approval UI, we're just notifying the user
 | 
						|
    // of the transition, so set a timeout to fade the warning out after a few moments.
 | 
						|
    if (isApproved)
 | 
						|
      this.warningFadeOutTimeout =
 | 
						|
        setTimeout(
 | 
						|
          function() {
 | 
						|
            if (this.warningBox)
 | 
						|
              this.warningBox.setAttribute("fade-warning-out", "true");
 | 
						|
          }.bind(this),
 | 
						|
          3000);
 | 
						|
  },
 | 
						|
 | 
						|
  mouseoverToggle: function(aShow, forceHide)
 | 
						|
  {
 | 
						|
    // Don't do anything if:
 | 
						|
    // a) we're already in the state we want,
 | 
						|
    // b) we're animating and will become collapsed soon, or
 | 
						|
    // c) we can't collapse because it would be undesirable right now
 | 
						|
    if (aShow != this._isChromeCollapsed || (!aShow && this._isAnimating) ||
 | 
						|
        (!aShow && !this._safeToCollapse(forceHide)))
 | 
						|
      return;
 | 
						|
 | 
						|
    // browser.fullscreen.animateUp
 | 
						|
    // 0 - never animate up
 | 
						|
    // 1 - animate only for first collapse after entering fullscreen (default for perf's sake)
 | 
						|
    // 2 - animate every time it collapses
 | 
						|
    if (gPrefService.getIntPref("browser.fullscreen.animateUp") == 0)
 | 
						|
      this._shouldAnimate = false;
 | 
						|
 | 
						|
    if (!aShow && this._shouldAnimate) {
 | 
						|
      this._isAnimating = true;
 | 
						|
      this._shouldAnimate = false;
 | 
						|
      this._animationTimeout = setTimeout(this._animateUp.bind(this), 800);
 | 
						|
      return;
 | 
						|
    }
 | 
						|
 | 
						|
    // The chrome is collapsed so don't spam needless mousemove events
 | 
						|
    if (aShow) {
 | 
						|
      gBrowser.mPanelContainer.addEventListener("mousemove",
 | 
						|
                                                this._collapseCallback, false);
 | 
						|
    }
 | 
						|
    else {
 | 
						|
      gBrowser.mPanelContainer.removeEventListener("mousemove",
 | 
						|
                                                   this._collapseCallback, false);
 | 
						|
    }
 | 
						|
 | 
						|
    // Hiding/collapsing the toolbox interferes with the tab bar's scrollbox,
 | 
						|
    // so we just move it off-screen instead. See bug 430687.
 | 
						|
    gNavToolbox.style.marginTop =
 | 
						|
      aShow ? "" : -gNavToolbox.getBoundingClientRect().height + "px";
 | 
						|
 | 
						|
    let toggler = document.getElementById("fullscr-toggler");
 | 
						|
    if (toggler) {
 | 
						|
      toggler.collapsed = aShow;
 | 
						|
    }
 | 
						|
    this._isChromeCollapsed = !aShow;
 | 
						|
    if (gPrefService.getIntPref("browser.fullscreen.animateUp") == 2)
 | 
						|
      this._shouldAnimate = true;
 | 
						|
  },
 | 
						|
 | 
						|
  showXULChrome: function(aTag, aShow)
 | 
						|
  {
 | 
						|
    var els = document.getElementsByTagNameNS(this._XULNS, aTag);
 | 
						|
 | 
						|
    for (let el of els) {
 | 
						|
      // XXX don't interfere with previously collapsed toolbars
 | 
						|
      if (el.getAttribute("fullscreentoolbar") == "true") {
 | 
						|
        if (!aShow) {
 | 
						|
 | 
						|
          var toolbarMode = el.getAttribute("mode");
 | 
						|
          if (toolbarMode != "text") {
 | 
						|
            el.setAttribute("saved-mode", toolbarMode);
 | 
						|
            el.setAttribute("saved-iconsize", el.getAttribute("iconsize"));
 | 
						|
            el.setAttribute("mode", "icons");
 | 
						|
            el.setAttribute("iconsize", "small");
 | 
						|
          }
 | 
						|
 | 
						|
          // Give the main nav bar and the tab bar the fullscreen context menu,
 | 
						|
          // otherwise remove context menu to prevent breakage
 | 
						|
          el.setAttribute("saved-context", el.getAttribute("context"));
 | 
						|
          if (el.id == "nav-bar" || el.id == "TabsToolbar")
 | 
						|
            el.setAttribute("context", "autohide-context");
 | 
						|
          else
 | 
						|
            el.removeAttribute("context");
 | 
						|
 | 
						|
          // Set the inFullscreen attribute to allow specific styling
 | 
						|
          // in fullscreen mode
 | 
						|
          el.setAttribute("inFullscreen", true);
 | 
						|
        }
 | 
						|
        else {
 | 
						|
          var restoreAttr = function restoreAttr(attrName) {
 | 
						|
            var savedAttr = "saved-" + attrName;
 | 
						|
            if (el.hasAttribute(savedAttr)) {
 | 
						|
              el.setAttribute(attrName, el.getAttribute(savedAttr));
 | 
						|
              el.removeAttribute(savedAttr);
 | 
						|
            }
 | 
						|
          }
 | 
						|
 | 
						|
          restoreAttr("mode");
 | 
						|
          restoreAttr("iconsize");
 | 
						|
          restoreAttr("context");
 | 
						|
 | 
						|
          el.removeAttribute("inFullscreen");
 | 
						|
        }
 | 
						|
      } else {
 | 
						|
        // use moz-collapsed so it doesn't persist hidden/collapsed,
 | 
						|
        // so that new windows don't have missing toolbars
 | 
						|
        if (aShow)
 | 
						|
          el.removeAttribute("moz-collapsed");
 | 
						|
        else
 | 
						|
          el.setAttribute("moz-collapsed", "true");
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    if (aShow) {
 | 
						|
      gNavToolbox.removeAttribute("inFullscreen");
 | 
						|
      document.documentElement.removeAttribute("inFullscreen");
 | 
						|
    } else {
 | 
						|
      gNavToolbox.setAttribute("inFullscreen", true);
 | 
						|
      document.documentElement.setAttribute("inFullscreen", true);
 | 
						|
    }
 | 
						|
 | 
						|
    // In tabs-on-top mode, move window controls to the tab bar,
 | 
						|
    // and in tabs-on-bottom mode, move them back to the navigation toolbar.
 | 
						|
    // When there is a chance the tab bar may be collapsed, put window
 | 
						|
    // controls on nav bar.
 | 
						|
    var fullscreenctls = document.getElementById("window-controls");
 | 
						|
    var navbar = document.getElementById("nav-bar");
 | 
						|
    var ctlsOnTabbar = window.toolbar.visible &&
 | 
						|
                       (navbar.collapsed ||
 | 
						|
                          (TabsOnTop.enabled &&
 | 
						|
                           !gPrefService.getBoolPref("browser.tabs.autoHide")));
 | 
						|
    if (fullscreenctls.parentNode == navbar && ctlsOnTabbar) {
 | 
						|
      fullscreenctls.removeAttribute("flex");
 | 
						|
      document.getElementById("TabsToolbar").appendChild(fullscreenctls);
 | 
						|
    }
 | 
						|
    else if (fullscreenctls.parentNode.id == "TabsToolbar" && !ctlsOnTabbar) {
 | 
						|
      fullscreenctls.setAttribute("flex", "1");
 | 
						|
      navbar.appendChild(fullscreenctls);
 | 
						|
    }
 | 
						|
    fullscreenctls.hidden = aShow;
 | 
						|
  }
 | 
						|
};
 | 
						|
XPCOMUtils.defineLazyGetter(FullScreen, "useLionFullScreen", function() {
 | 
						|
  // We'll only use OS X Lion full screen if we're
 | 
						|
  // * on OS X
 | 
						|
  // * on Lion or higher (Darwin 11+)
 | 
						|
  // * have fullscreenbutton="true"
 | 
						|
#ifdef XP_MACOSX
 | 
						|
  return parseFloat(Services.sysinfo.getProperty("version")) >= 11 &&
 | 
						|
         document.documentElement.getAttribute("fullscreenbutton") == "true";
 | 
						|
#else
 | 
						|
  return false;
 | 
						|
#endif
 | 
						|
});
 |