// 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;

 		}

 	}