/*

* Copyright (c) 2008 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:   AlfRenderStage provides a method for redirect avkon drawing to a graphics accelerator

*

*/

#include <graphics/wsscreendevice.h>

#include "alflogger.h"

#include "alfrenderstagefactory.h"

#include "alfrenderstage.h"

_LIT(KAlfRenderStageName, "alf");

// ---------------------------------------------------------------------------

// CreateL

// ---------------------------------------------------------------------------

//

CAlfRenderStageFactory* CAlfRenderStageFactory::CreateL()

	{

	return new(ELeave) CAlfRenderStageFactory;

	}

// ---------------------------------------------------------------------------

// ConstructL

// ---------------------------------------------------------------------------

//

void CAlfRenderStageFactory::ConstructL(MWsGraphicDrawerEnvironment& aEnv,const TDesC8& /*aData*/)

	{

	__ALFLOGSTRING("ALF-RS: About to baseconstruct factory");

    BaseConstructL(aEnv);

	}

// ---------------------------------------------------------------------------

// C++ constructor

// ---------------------------------------------------------------------------

//

CAlfRenderStageFactory::CAlfRenderStageFactory()

	{

	}

// ---------------------------------------------------------------------------

// C++ destructor

// ---------------------------------------------------------------------------

//

CAlfRenderStageFactory::~CAlfRenderStageFactory()

	{

	}

/**

Overidding MWsObjectProvider

*/

// ---------------------------------------------------------------------------

// ResolveObjectInterface

// ---------------------------------------------------------------------------

//

TAny* CAlfRenderStageFactory::ResolveObjectInterface(TUint aTypeId)

	{

	switch (aTypeId)

		{

		case KMWsRenderStageFactory:

			return static_cast<MWsRenderStageFactory*>(this);

		default:

		    __ALFLOGSTRING("ALF-RS: Unknown interface required, returning NULL");

		}

	return NULL;

	}

// ---------------------------------------------------------------------------

// CreateFinalRenderStageL

// ---------------------------------------------------------------------------

//

CWsRenderStage* CAlfRenderStageFactory::CreateFinalRenderStageL(MWsScreen* /*aScreen*/, MWsScreenRedraw* /*aScreenRedraw*/, TInt /*aScreenNumber*/)

	{

	// this factory does not have an implementation that could be used as final render stage  

    CAlfRenderStage* stage = NULL;

	return stage;

	}

// ---------------------------------------------------------------------------

// CreateRenderStageL

// ---------------------------------------------------------------------------

//

CWsRenderStage* CAlfRenderStageFactory::CreateRenderStageL(MWsScreen* aScreen, MWsScreenRedraw* /*aScreenRedraw*/, CWsRenderStage* aNextStage)

	{

	MWsScreenDevice* wsScreenDevice = (MWsScreenDevice*)aNextStage->ResolveObjectInterface(MWsScreenDevice::EWsObjectInterfaceId);

	CAlfRenderStage* stage = 0;

	if (wsScreenDevice)  

        {	

        stage = CAlfRenderStage::NewL( &Env(), aScreen, wsScreenDevice->ScreenNumber(), aNextStage);

        }

	return stage;

	}

// ---------------------------------------------------------------------------

// PluginName

// ---------------------------------------------------------------------------

//

const TDesC& CAlfRenderStageFactory::PluginName() const

	{

	return KAlfRenderStageName; // The name _must_be_ the same as defined in wsini.ini

	}