1 /*

     2 * Copyright (c) 2009 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:   view widget factory pluging implementation.

    15 *

    16 */

    17 

    18 

    19 #include <ecom/implementationproxy.h>

    20 #include <osn/osnnew.h>

    21 #include <alf/ialfviewwidget.h>

    22 #include <alf/alfexception.h>

    23 #include "alfviewwidget.h"

    24 #include "alfviewwidgetexception.h"

    25 #include "alfviewwidgetfactoryplugin.h"

    26 

    27 using namespace Alf;

    28 

    29 // UID of the view widget factory plugin.

    30 const TInt KViewWidgetFactoryPluginUid = {0x20010104};

    31 

    32 // Amount of products produced by this factory.

    33 const int KProductCount = 1;

    34 

    35 AlfViewWidgetFactoryPlugin* AlfViewWidgetFactoryPlugin::newL()

    36     {

    37     return new (EMM) AlfViewWidgetFactoryPlugin();

    38     }

    39 

    40 IAlfInterfaceBase* AlfViewWidgetFactoryPlugin::createProduct(const char* aProduct, void* aInitData)

    41     {

    42     AlfViewWidget* ret(0);

    43     

    44     if(!strcmp(aProduct, IAlfViewWidget::type().mImplementationId))

    45         {        

    46         // Typecast the initialization data

    47         AlfViewWidgetInitData* initData = (AlfViewWidgetInitData*) aInitData;

    48         

    49         // Throw exception if init data is null

    50         if(initData == 0)

    51         	{

    52         	ALF_THROW(AlfViewWidgetException, EInitializationError, "View widget initialization data was NULL.");

    53         	}

    54         	

    55         // Assert that the UI Accelerator Toolkit Environment in the initialization data is correct.

    56         if(initData->mEnv == 0)

    57         	{

    58         	ALF_THROW(AlfViewWidgetException, EInitializationError, "Environment instance in view widget initialization data was NULL.");

    59         	}        	

    60         	                	

    61         // Assert that widget id in the initialization data is correct.

    62         if(initData->mWidgetId == 0)

    63         	{

    64         	ALF_THROW(AlfViewWidgetException, EInitializationError, "Widget ID in view widget initialization data was NULL.");

    65         	}

    66         

    67         

    68         // Assert that display pointer in the initialization data is correct.

    69         if(initData->mDisplay == 0)

    70         	{

    71         	ALF_THROW(AlfViewWidgetException, EInitializationError, "Display instance in view widget initialization data was NULL.");

    72         	}

    73         

    74         // Create container widget        

    75         ret = new (EMM) AlfViewWidget(initData->mWidgetId, initData->mControlGroupId, *initData->mEnv, 

    76                 *initData->mDisplay, initData->mNode, initData->mFilePath);

    77         }

    78     

    79     return static_cast<IAlfViewWidget*>(ret);

    80     }

    81 

    82 int AlfViewWidgetFactoryPlugin::productCount() const

    83     {

    84     return KProductCount;

    85     }

    86  

    87 const char* AlfViewWidgetFactoryPlugin::productInfo(int aIndex) const

    88     {

    89     switch(aIndex)

    90         {

    91         case 0: return alfviewwidget::ident.mImplementationId;

    92         default: break;            

    93         }

    94 

    95     return 0;

    96     }

    97  

    98 IAlfInterfaceBase* AlfViewWidgetFactoryPlugin::makeInterface(const IfId& aType)

    99     {

   100     if(!strcmp(aType.mImplementationId, IAlfFactoryPlugin::type().mImplementationId))

   101         {

   102         return static_cast<IAlfFactoryPlugin*>(this);

   103         }

   104     

   105     return 0;

   106     }

   107 

   108 // ========================== OTHER EXPORTED FUNCTIONS =========================

   109 

   110 const TImplementationProxy ImplementationTable[] =

   111     {

   112     IMPLEMENTATION_PROXY_ENTRY( KViewWidgetFactoryPluginUid, 

   113                                 AlfViewWidgetFactoryPlugin::newL )

   114     };

   115 

   116 // Entry point for ECom architecture to resolve the instantiation method pointer

   117 // for a given implementation UID.

   118 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

   119     {

   120     aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

   121     return ImplementationTable;

   122     }