LCOV - code coverage report
Current view: directory - xpcom/base - nsInterfaceRequestorAgg.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 17 15 88.2 %
Date: 2012-06-02 Functions: 7 7 100.0 %

       1                 : /* ***** BEGIN LICENSE BLOCK *****
       2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       3                 :  *
       4                 :  * The contents of this file are subject to the Mozilla Public License Version
       5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       6                 :  * the License. You may obtain a copy of the License at
       7                 :  * http://www.mozilla.org/MPL/
       8                 :  *
       9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11                 :  * for the specific language governing rights and limitations under the
      12                 :  * License.
      13                 :  *
      14                 :  * The Original Code is Mozilla.
      15                 :  *
      16                 :  * The Initial Developer of the Original Code is IBM Corporation.
      17                 :  * Portions created by IBM Corporation are Copyright (C) 2004
      18                 :  * IBM Corporation. All Rights Reserved.
      19                 :  *
      20                 :  * Contributor(s):
      21                 :  *   Darin Fisher <darin@meer.net>
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      25                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #include "nsInterfaceRequestorAgg.h"
      38                 : #include "nsCOMPtr.h"
      39                 : 
      40                 : class nsInterfaceRequestorAgg : public nsIInterfaceRequestor
      41            2977 : {
      42                 : public:
      43                 :   NS_DECL_ISUPPORTS
      44                 :   NS_DECL_NSIINTERFACEREQUESTOR
      45                 : 
      46            2989 :   nsInterfaceRequestorAgg(nsIInterfaceRequestor *aFirst,
      47                 :                           nsIInterfaceRequestor *aSecond)
      48                 :     : mFirst(aFirst)
      49            2989 :     , mSecond(aSecond) {}
      50                 : 
      51                 :   nsCOMPtr<nsIInterfaceRequestor> mFirst, mSecond;
      52                 : };
      53                 : 
      54                 : // XXX This needs to support threadsafe refcounting until we fix bug 243591.
      55           77490 : NS_IMPL_THREADSAFE_ISUPPORTS1(nsInterfaceRequestorAgg, nsIInterfaceRequestor)
      56                 : 
      57                 : NS_IMETHODIMP
      58               8 : nsInterfaceRequestorAgg::GetInterface(const nsIID &aIID, void **aResult)
      59                 : {
      60               8 :   nsresult rv = NS_ERROR_NO_INTERFACE;
      61               8 :   if (mFirst)
      62               8 :     rv = mFirst->GetInterface(aIID, aResult);
      63               8 :   if (mSecond && NS_FAILED(rv))
      64               0 :     rv = mSecond->GetInterface(aIID, aResult);
      65               8 :   return rv;
      66                 : }
      67                 : 
      68                 : nsresult
      69            2989 : NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst,
      70                 :                                     nsIInterfaceRequestor *aSecond,
      71                 :                                     nsIInterfaceRequestor **aResult)
      72                 : {
      73            2989 :   *aResult = new nsInterfaceRequestorAgg(aFirst, aSecond);
      74            2989 :   if (!*aResult)
      75               0 :     return NS_ERROR_OUT_OF_MEMORY;
      76            2989 :   NS_ADDREF(*aResult);
      77            2989 :   return NS_OK;
      78                 : }

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