LCOV - code coverage report
Current view: directory - objdir/dist/include - nsWeakReference.h (source / functions) Found Hit Coverage
Test: app.info Lines: 7 7 100.0 %
Date: 2012-06-02 Functions: 3 3 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  *
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is the Mozilla browser.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications, Inc.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Scott Collins <scc@netscape.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #ifndef nsWeakReference_h__
      41                 : #define nsWeakReference_h__
      42                 : 
      43                 : // nsWeakReference.h
      44                 : 
      45                 : #include "nsIWeakReferenceUtils.h"
      46                 : 
      47                 : class nsWeakReference;
      48                 : 
      49                 : // Set IMETHOD_VISIBILITY to empty so that the class-level NS_COM declaration
      50                 : // controls member method visibility.
      51                 : #undef  IMETHOD_VISIBILITY
      52                 : #define IMETHOD_VISIBILITY NS_COM_GLUE
      53                 : 
      54                 : class NS_COM_GLUE nsSupportsWeakReference : public nsISupportsWeakReference
      55                 :   {
      56                 :     public:
      57          154874 :       nsSupportsWeakReference()
      58          154874 :           : mProxy(0)
      59                 :         {
      60                 :           // nothing else to do here
      61          154874 :         }
      62                 : 
      63                 :       NS_DECL_NSISUPPORTSWEAKREFERENCE
      64                 : 
      65                 :     protected:
      66                 :       inline ~nsSupportsWeakReference();
      67                 : 
      68                 :     private:
      69                 :       friend class nsWeakReference;
      70                 : 
      71                 :       void
      72                 :       NoticeProxyDestruction()
      73                 :           // ...called (only) by an |nsWeakReference| from _its_ dtor.
      74                 :         {
      75                 :           mProxy = 0;
      76                 :         }
      77                 : 
      78                 :       nsWeakReference* mProxy;
      79                 : 
      80                 :                 protected:
      81                 : 
      82                 :                         void ClearWeakReferences();
      83          113769 :                         bool HasWeakReferences() const {return mProxy != 0;}
      84                 :   };
      85                 : 
      86                 : #undef  IMETHOD_VISIBILITY
      87                 : #define IMETHOD_VISIBILITY NS_VISIBILITY_HIDDEN
      88                 : 
      89                 : inline
      90          154311 : nsSupportsWeakReference::~nsSupportsWeakReference()
      91                 :   {
      92          154311 :         ClearWeakReferences();
      93          154311 :   }
      94                 : 
      95                 : #endif

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