/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   view widget factory pluging implementation.

*

*/

#include <ecom/implementationproxy.h>

#include <osn/osnnew.h>

#include <alf/ialfviewwidget.h>

#include <alf/alfexception.h>

#include "alfviewwidget.h"

#include "alfviewwidgetexception.h"

#include "alfviewwidgetfactoryplugin.h"

using namespace Alf;

// UID of the view widget factory plugin.

const TInt KViewWidgetFactoryPluginUid = {0x20010104};

// Amount of products produced by this factory.

const int KProductCount = 1;

AlfViewWidgetFactoryPlugin* AlfViewWidgetFactoryPlugin::newL()

    {

    return new (EMM) AlfViewWidgetFactoryPlugin();

    }

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

    {

    AlfViewWidget* ret(0);

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

        {        

        // Typecast the initialization data

        AlfViewWidgetInitData* initData = (AlfViewWidgetInitData*) aInitData;

        // Throw exception if init data is null

        if(initData == 0)

        	{

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

        	}

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

        if(initData->mEnv == 0)

        	{

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

        	}        	

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

        if(initData->mWidgetId == 0)

        	{

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

        	}

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

        if(initData->mDisplay == 0)

        	{

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

        	}

        // Create container widget        

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

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

        }

    return static_cast<IAlfViewWidget*>(ret);

    }

int AlfViewWidgetFactoryPlugin::productCount() const

    {

    return KProductCount;

    }

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

    {

    switch(aIndex)

        {

        case 0: return alfviewwidget::ident.mImplementationId;

        default: break;            

        }

    return 0;

    }

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

    {

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

        {

        return static_cast<IAlfFactoryPlugin*>(this);

        }

    return 0;

    }

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

const TImplementationProxy ImplementationTable[] =

    {

    IMPLEMENTATION_PROXY_ENTRY( KViewWidgetFactoryPluginUid, 

                                AlfViewWidgetFactoryPlugin::newL )

    };

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

// for a given implementation UID.

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    {

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

    return ImplementationTable;

    }