psln/Src/PslnPluginHandler.cpp
changeset 37 89c890c70182
parent 34 6b5204869ed5
child 45 667edd0b8678
equal deleted inserted replaced
34:6b5204869ed5 37:89c890c70182
     1 /*
       
     2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Handles application specific theme plugins.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "PslnPluginHandler.h"
       
    22 #include "PslnUi.h"
       
    23 #include "PslnDebug.h"
       
    24 
       
    25 // Framework
       
    26 #include <pslnfwplugininterface.h>
       
    27 #include <pslnfwpluginhandler.h>
       
    28 
       
    29 // CONSTANTS
       
    30 // Plugins granularity.
       
    31 const TInt KPslnPluginGranularity = 4;
       
    32 
       
    33 // ============================ MEMBER FUNCTIONS ===============================
       
    34 
       
    35 // -----------------------------------------------------------------------------
       
    36 // C++ constructor can NOT contain any code, that might leave.
       
    37 // -----------------------------------------------------------------------------
       
    38 //
       
    39 CPslnPluginHandler::CPslnPluginHandler( CPslnUi* aPslnUi ) : iPslnUi( aPslnUi )
       
    40     {
       
    41     }
       
    42 
       
    43 // -----------------------------------------------------------------------------
       
    44 // Symbian 2nd phase constructor can leave.
       
    45 // -----------------------------------------------------------------------------
       
    46 //
       
    47 void CPslnPluginHandler::ConstructL()
       
    48     {
       
    49     // Load the plugin views.
       
    50     iPluginArray = 
       
    51         new CArrayPtrFlat<CPslnFWPluginInterface>( KPslnPluginGranularity );
       
    52     CPslnFWPluginHandler* pluginLoader = 
       
    53         CPslnFWPluginHandler::NewL( iPslnUi, iPluginArray );
       
    54     CleanupStack::PushL( pluginLoader );
       
    55     pluginLoader->LoadPluginsL( iPluginArray );
       
    56     CleanupStack::PopAndDestroy( pluginLoader );
       
    57     
       
    58     for ( TInt i = 0; i < iPluginArray->Count(); i ++ )
       
    59         {
       
    60         CPslnFWPluginInterface* plugin = iPluginArray->operator[]( i );
       
    61         iPslnUi->AddNewViewL( plugin );
       
    62         }
       
    63     }
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // Two-phased constructor.
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 CPslnPluginHandler* CPslnPluginHandler::NewL( CPslnUi* aPslnUi )
       
    70     {
       
    71     CPslnPluginHandler* self = new( ELeave ) CPslnPluginHandler( aPslnUi );
       
    72     
       
    73     CleanupStack::PushL( self );
       
    74     self->ConstructL();
       
    75     CleanupStack::Pop( self );
       
    76     return self;
       
    77     }
       
    78 
       
    79 // Destructor
       
    80 CPslnPluginHandler::~CPslnPluginHandler()
       
    81     {
       
    82     // Reset also deletes the plugins
       
    83     if ( iPluginArray )
       
    84         {
       
    85         iPluginArray->Reset();
       
    86         REComSession::FinalClose();
       
    87         delete iPluginArray;
       
    88         }
       
    89     }
       
    90 
       
    91 // ---------------------------------------------------------------------------
       
    92 // CPslnPluginHandler::GetPluginArray
       
    93 // ---------------------------------------------------------------------------
       
    94 //
       
    95 CArrayPtrFlat<CPslnFWPluginInterface>* CPslnPluginHandler::GetPluginArray() const
       
    96     {
       
    97     return iPluginArray;
       
    98     }
       
    99 
       
   100 // ---------------------------------------------------------------------------
       
   101 // CPslnPluginHandler::GetPlugin
       
   102 // 
       
   103 // ---------------------------------------------------------------------------
       
   104 //
       
   105 CPslnFWPluginInterface* CPslnPluginHandler::GetPlugin( const TUid& aUid )
       
   106     {
       
   107     CPslnFWPluginInterface* pluginToFind = NULL;
       
   108     PSLN_TRACE_DEBUG1("CPslnPluginHandler::GetPlugin Plugin Uid=%d", aUid.iUid );
       
   109     if ( iPluginArray )
       
   110         {
       
   111         TInt pluginCount = iPluginArray->Count();
       
   112         PSLN_TRACE_DEBUG1("CPslnPluginHandler::GetPlugin Plugin count=%d", pluginCount );
       
   113 
       
   114         // Go through all the plugins and add the info to tab group.
       
   115         TInt i = 0;
       
   116         for ( ; i < pluginCount; i++ )
       
   117             {
       
   118             CPslnFWPluginInterface* plugin = iPluginArray->operator[]( i );
       
   119             if ( plugin )
       
   120                 {
       
   121                 PSLN_TRACE_DEBUG1("CPslnPluginHandler::GetPlugin Id=%d", plugin->Id().iUid );
       
   122                 if ( plugin->Id().iUid == aUid.iUid )
       
   123                     {
       
   124                     PSLN_TRACE_DEBUG("CPslnPluginHandler::GetPlugin found");
       
   125                     pluginToFind = plugin;
       
   126                     break;
       
   127                     }
       
   128                 }
       
   129             else
       
   130                 {
       
   131                 PSLN_TRACE_DEBUG("CPslnPluginHandler::GetPlugin Plugin fails");
       
   132                 }
       
   133             }
       
   134         if ( !pluginToFind )
       
   135             {
       
   136             PSLN_TRACE_DEBUG("CPslnPluginHandler::GetPlugin not found");
       
   137             }
       
   138         }
       
   139     else
       
   140         {
       
   141         PSLN_TRACE_DEBUG("CPslnPluginHandler::GetPlugin No plugin array");
       
   142         }
       
   143     return pluginToFind;
       
   144     }
       
   145 //  End of File