The Tor Browser: tools/performance/startup/quit.js@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7   From mozilla/toolkit/content

     8   These files did not have a license

     9 */

    11 function quitHook()

    12 {

    13   var xhr = new XMLHttpRequest();

    14   xhr.open("GET", "http://" + location.host + "/server/shutdown", true);

    15   xhr.onreadystatechange = function (event)

    16     {

    17       if (xhr.readyState == 4)

    18         goQuitApplication();

    19     };

    20   xhr.send(null);

    21 }

    23 function canQuitApplication()

    24 {

    25   var os = Components.classes["@mozilla.org/observer-service;1"]

    26     .getService(Components.interfaces.nsIObserverService);

    27   if (!os)

    28   {

    29     return true;

    30   }

    32   try

    33   {

    34     var cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"]

    35       .createInstance(Components.interfaces.nsISupportsPRBool);

    36     os.notifyObservers(cancelQuit, "quit-application-requested", null);

    38     // Something aborted the quit process.

    39     if (cancelQuit.data)

    40     {

    41       return false;

    42     }

    43   }

    44   catch (ex)

    45   {

    46   }

    47   os.notifyObservers(null, "quit-application-granted", null);

    48   return true;

    49 }

    51 function goQuitApplication()

    52 {

    53   const privs = 'UniversalXPConnect';

    55   try

    56   {

    57     netscape.security.PrivilegeManager.enablePrivilege(privs);

    58   }

    59   catch(ex)

    60   {

    61     throw('goQuitApplication: privilege failure ' + ex);

    62   }

    64   if (!canQuitApplication())

    65   {

    66     return false;

    67   }

    69   const kAppStartup = '@mozilla.org/toolkit/app-startup;1';

    70   const kAppShell   = '@mozilla.org/appshell/appShellService;1';

    71   var   appService;

    72   var   forceQuit;

    74   if (kAppStartup in Components.classes)

    75   {

    76     appService = Components.classes[kAppStartup].

    77       getService(Components.interfaces.nsIAppStartup);

    78     forceQuit  = Components.interfaces.nsIAppStartup.eForceQuit;

    80   }

    81   else if (kAppShell in Components.classes)

    82   {

    83     appService = Components.classes[kAppShell].

    84       getService(Components.interfaces.nsIAppShellService);

    85     forceQuit = Components.interfaces.nsIAppShellService.eForceQuit;

    86   }

    87   else

    88   {

    89     throw 'goQuitApplication: no AppStartup/appShell';

    90   }

    92   var windowManager = Components.

    93     classes['@mozilla.org/appshell/window-mediator;1'].getService();

    95   var windowManagerInterface = windowManager.

    96     QueryInterface(Components.interfaces.nsIWindowMediator);

    98   var enumerator = windowManagerInterface.getEnumerator(null);

   100   while (enumerator.hasMoreElements())

   101   {

   102     var domWindow = enumerator.getNext();

   103     if (("tryToClose" in domWindow) && !domWindow.tryToClose())

   104     {

   105       return false;

   106     }

   107     domWindow.close();

   108   }

   110   try

   111   {

   112     appService.quit(forceQuit);

   113   }

   114   catch(ex)

   115   {

   116     throw('goQuitApplication: ' + ex);

   117   }

   119   return true;

   120 }

The Tor Browser / file revision