// 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:

//

/**

 @file

 @test

 @internalComponent - Internal Symbian test code 

*/

#include "tflowwindowopenvg.h"

// defines after how many updates the scene is actually drawn to the screen

const TInt KSceneInterleaver = 5;

CTWindow* CTFlowWindowOpenVG::NewL(RWsSession &aWs, 

        const RWindowTreeNode &aParent, 

        const TPoint& aStartingPoint,

        const TSize& aWindowSize)

    {

    CTFlowWindowOpenVG* self = new (ELeave)CTFlowWindowOpenVG(aStartingPoint, aWindowSize);

    CleanupStack::PushL(self);

    self->ConstructL(aWs, aParent);

    CleanupStack::Pop(self);

    return self;

    }

CTFlowWindowOpenVG::CTFlowWindowOpenVG(const TPoint& aStartingPoint, const TSize& aWindowSize) : 

        CTWindow(aStartingPoint, aWindowSize)

	{

	// empty

	}

CTFlowWindowOpenVG::~CTFlowWindowOpenVG()

	{

	delete iVGRendering;

	}

void CTFlowWindowOpenVG::ConstructL(RWsSession &aWs, const RWindowTreeNode &aParent)

	{

	CTWindow::ConstructL(aWs, aParent);

	iVGRendering = CEGLRendering::NewL(iWindow);

	}

/**

 * Renders the next scene and draws it to the screen.

 * 

 */

void CTFlowWindowOpenVG::RenderL()

	{

	CTWindow::RenderL();

	// don't update the cover flow display every time

	iInterleaveCounter++;

	if (iInterleaveCounter >= KSceneInterleaver) // todo: should be removed

		{

		iVGRendering->UpdateDisplay();

		iInterleaveCounter = 0;

		}

	}