LCOV - code coverage report
Current view: directory - widget/xpwidgets - nsAppShellSingleton.h (source / functions) Found Hit Coverage
Test: app.info Lines: 18 15 83.3 %
Date: 2012-06-02 Functions: 3 3 100.0 %

       1                 : /* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Widget code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Google Inc.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Darin Fisher <darin@meer.net> (original author)
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef nsAppShellSingleton_h__
      39                 : #define nsAppShellSingleton_h__
      40                 : 
      41                 : /**
      42                 :  * This file is designed to be included into the file that provides the
      43                 :  * nsIModule implementation for a particular widget toolkit.
      44                 :  *
      45                 :  * The following functions are defined:
      46                 :  *   nsAppShellInit
      47                 :  *   nsAppShellShutdown
      48                 :  *   nsAppShellConstructor
      49                 :  *
      50                 :  * The nsAppShellInit function is designed to be used as a module constructor.
      51                 :  * If you already have a module constructor, then call nsAppShellInit from your
      52                 :  * module constructor.
      53                 :  *
      54                 :  * The nsAppShellShutdown function is designed to be used as a module
      55                 :  * destructor.  If you already have a module destructor, then call
      56                 :  * nsAppShellShutdown from your module destructor.
      57                 :  *
      58                 :  * The nsAppShellConstructor function is designed to be used as a factory
      59                 :  * method for the nsAppShell class.
      60                 :  */
      61                 : 
      62                 : static nsAppShell *sAppShell;
      63                 : 
      64                 : static nsresult
      65            1387 : nsAppShellInit()
      66                 : {
      67            1387 :   NS_ASSERTION(!sAppShell, "already initialized");
      68                 : 
      69            1387 :   sAppShell = new nsAppShell();
      70            1387 :   if (!sAppShell)
      71               0 :     return NS_ERROR_OUT_OF_MEMORY;
      72            1387 :   NS_ADDREF(sAppShell);
      73                 : 
      74            1387 :   nsresult rv = sAppShell->Init();
      75            1387 :   if (NS_FAILED(rv)) {
      76               0 :     NS_RELEASE(sAppShell);
      77               0 :     return rv;
      78                 :   }
      79                 : 
      80            1387 :   return NS_OK;
      81                 : }
      82                 : 
      83                 : static void
      84            1387 : nsAppShellShutdown()
      85                 : {
      86            1387 :   NS_RELEASE(sAppShell);
      87            1387 : }
      88                 : 
      89                 : static nsresult
      90              16 : nsAppShellConstructor(nsISupports *outer, const nsIID &iid, void **result)
      91                 : {
      92              16 :   NS_ENSURE_TRUE(!outer, NS_ERROR_NO_AGGREGATION);
      93              16 :   NS_ENSURE_TRUE(sAppShell, NS_ERROR_NOT_INITIALIZED);
      94                 : 
      95              16 :   return sAppShell->QueryInterface(iid, result);
      96                 : }
      97                 : 
      98                 : #endif  // nsAppShellSingleton_h__

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