LCOV - code coverage report
Current view: directory - embedding/components/commandhandler/src - nsBaseCommandController.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 89 0 0.0 %
Date: 2012-06-02 Functions: 15 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       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 Mozilla Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2002
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      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                 : #include "nsString.h"
      39                 : #include "nsIComponentManager.h"
      40                 : #include "nsBaseCommandController.h"
      41                 : 
      42                 : #include "nsHashtable.h"
      43                 : #include "nsString.h"
      44                 : #include "nsWeakPtr.h"
      45                 : 
      46               0 : NS_IMPL_ADDREF(nsBaseCommandController)
      47               0 : NS_IMPL_RELEASE(nsBaseCommandController)
      48                 : 
      49               0 : NS_INTERFACE_MAP_BEGIN(nsBaseCommandController)
      50               0 :   NS_INTERFACE_MAP_ENTRY(nsIController)
      51               0 :   NS_INTERFACE_MAP_ENTRY(nsICommandController)
      52               0 :   NS_INTERFACE_MAP_ENTRY(nsIControllerContext)
      53               0 :   NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
      54               0 :   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIControllerContext)
      55               0 : NS_INTERFACE_MAP_END
      56                 : 
      57               0 : nsBaseCommandController::nsBaseCommandController()
      58               0 :   : mCommandContextRawPtr(nsnull)
      59                 : {
      60               0 : }
      61                 : 
      62               0 : nsBaseCommandController::~nsBaseCommandController()
      63                 : {
      64               0 : }
      65                 : 
      66                 : NS_IMETHODIMP
      67               0 : nsBaseCommandController::Init(nsIControllerCommandTable *aCommandTable)
      68                 : {
      69               0 :   nsresult rv = NS_OK;
      70                 : 
      71               0 :   if (aCommandTable)
      72               0 :     mCommandTable = aCommandTable;    // owning addref
      73                 :   else
      74               0 :     mCommandTable = do_CreateInstance(NS_CONTROLLERCOMMANDTABLE_CONTRACTID, &rv);
      75                 :   
      76               0 :   return rv;
      77                 : }
      78                 : 
      79                 : NS_IMETHODIMP
      80               0 : nsBaseCommandController::SetCommandContext(nsISupports *aCommandContext)
      81                 : {
      82               0 :   mCommandContextWeakPtr = nsnull;
      83               0 :   mCommandContextRawPtr = nsnull;
      84                 : 
      85               0 :   if (aCommandContext) {
      86               0 :     nsCOMPtr<nsISupportsWeakReference> weak = do_QueryInterface(aCommandContext);
      87               0 :     if (weak) {
      88                 :       nsresult rv =
      89               0 :         weak->GetWeakReference(getter_AddRefs(mCommandContextWeakPtr));
      90               0 :       NS_ENSURE_SUCCESS(rv, rv);
      91                 :     }
      92                 :     else {
      93               0 :       mCommandContextRawPtr = aCommandContext;
      94                 :     }
      95                 :   }
      96                 : 
      97               0 :   return NS_OK;
      98                 : }
      99                 : 
     100                 : NS_IMETHODIMP
     101               0 : nsBaseCommandController::GetInterface(const nsIID & aIID, void * *result)
     102                 : {
     103               0 :   NS_ENSURE_ARG_POINTER(result);
     104                 : 
     105               0 :   if (NS_SUCCEEDED(QueryInterface(aIID, result)))
     106               0 :     return NS_OK;
     107                 : 
     108               0 :   if (aIID.Equals(NS_GET_IID(nsIControllerCommandTable)))
     109                 :   {
     110               0 :     if (mCommandTable)
     111               0 :       return mCommandTable->QueryInterface(aIID, result);
     112               0 :     return NS_ERROR_NOT_INITIALIZED;
     113                 :   }
     114                 :     
     115               0 :   return NS_NOINTERFACE;
     116                 : }
     117                 : 
     118                 : 
     119                 : 
     120                 : /* =======================================================================
     121                 :  * nsIController
     122                 :  * ======================================================================= */
     123                 : 
     124                 : NS_IMETHODIMP
     125               0 : nsBaseCommandController::IsCommandEnabled(const char *aCommand,
     126                 :                                           bool *aResult)
     127                 : {
     128               0 :   NS_ENSURE_ARG_POINTER(aCommand);
     129               0 :   NS_ENSURE_ARG_POINTER(aResult);
     130               0 :   NS_ENSURE_STATE(mCommandTable);
     131                 : 
     132               0 :   nsISupports* context = mCommandContextRawPtr;
     133               0 :   nsCOMPtr<nsISupports> weak;
     134               0 :   if (!context) {
     135               0 :     weak = do_QueryReferent(mCommandContextWeakPtr);
     136               0 :     context = weak;
     137                 :   }
     138               0 :   return mCommandTable->IsCommandEnabled(aCommand, context, aResult);
     139                 : }
     140                 : 
     141                 : NS_IMETHODIMP
     142               0 : nsBaseCommandController::SupportsCommand(const char *aCommand, bool *aResult)
     143                 : {
     144               0 :   NS_ENSURE_ARG_POINTER(aCommand);
     145               0 :   NS_ENSURE_ARG_POINTER(aResult);
     146               0 :   NS_ENSURE_STATE(mCommandTable);
     147                 : 
     148               0 :   nsISupports* context = mCommandContextRawPtr;
     149               0 :   nsCOMPtr<nsISupports> weak;
     150               0 :   if (!context) {
     151               0 :     weak = do_QueryReferent(mCommandContextWeakPtr);
     152               0 :     context = weak;
     153                 :   }
     154               0 :   return mCommandTable->SupportsCommand(aCommand, context, aResult);
     155                 : }
     156                 : 
     157                 : NS_IMETHODIMP
     158               0 : nsBaseCommandController::DoCommand(const char *aCommand)
     159                 : {
     160               0 :   NS_ENSURE_ARG_POINTER(aCommand);
     161               0 :   NS_ENSURE_STATE(mCommandTable);
     162                 : 
     163               0 :   nsISupports* context = mCommandContextRawPtr;
     164               0 :   nsCOMPtr<nsISupports> weak;
     165               0 :   if (!context) {
     166               0 :     weak = do_QueryReferent(mCommandContextWeakPtr);
     167               0 :     context = weak;
     168                 :   }
     169               0 :   return mCommandTable->DoCommand(aCommand, context);
     170                 : }
     171                 : 
     172                 : NS_IMETHODIMP
     173               0 : nsBaseCommandController::DoCommandWithParams(const char *aCommand,
     174                 :                                              nsICommandParams *aParams)
     175                 : {
     176               0 :   NS_ENSURE_ARG_POINTER(aCommand);
     177               0 :   NS_ENSURE_STATE(mCommandTable);
     178                 : 
     179               0 :   nsISupports* context = mCommandContextRawPtr;
     180               0 :   nsCOMPtr<nsISupports> weak;
     181               0 :   if (!context) {
     182               0 :     weak = do_QueryReferent(mCommandContextWeakPtr);
     183               0 :     context = weak;
     184                 :   }
     185               0 :   return mCommandTable->DoCommandParams(aCommand, aParams, context);
     186                 : }
     187                 : 
     188                 : NS_IMETHODIMP
     189               0 : nsBaseCommandController::GetCommandStateWithParams(const char *aCommand,
     190                 :                                                    nsICommandParams *aParams)
     191                 : {
     192               0 :   NS_ENSURE_ARG_POINTER(aCommand);
     193               0 :   NS_ENSURE_STATE(mCommandTable);
     194                 : 
     195               0 :   nsISupports* context = mCommandContextRawPtr;
     196               0 :   nsCOMPtr<nsISupports> weak;
     197               0 :   if (!context) {
     198               0 :     weak = do_QueryReferent(mCommandContextWeakPtr);
     199               0 :     context = weak;
     200                 :   }
     201               0 :   return mCommandTable->GetCommandState(aCommand, aParams, context);
     202                 : }
     203                 : 
     204                 : NS_IMETHODIMP
     205               0 : nsBaseCommandController::OnEvent(const char * aEventName)
     206                 : {
     207               0 :   NS_ENSURE_ARG_POINTER(aEventName);
     208               0 :   return NS_OK;
     209                 : }

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