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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @test

    19  @internalComponent - Internal Symbian test code 

    20 */

    21 

    22 

    23 #include "tflowwindowopenvg.h"

    24 

    25 

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

    27 const TInt KSceneInterleaver = 5;

    28 

    29 

    30 CTWindow* CTFlowWindowOpenVG::NewL(RWsSession &aWs, 

    31         const RWindowTreeNode &aParent, 

    32         const TPoint& aStartingPoint,

    33         const TSize& aWindowSize)

    34     {

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

    36     CleanupStack::PushL(self);

    37     self->ConstructL(aWs, aParent);

    38     CleanupStack::Pop(self);

    39     return self;

    40     }

    41 

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

    43         CTWindow(aStartingPoint, aWindowSize)

    44 	{

    45 	// empty

    46 	}

    47 

    48 CTFlowWindowOpenVG::~CTFlowWindowOpenVG()

    49 	{

    50 	delete iVGRendering;

    51 	}

    52 

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

    54 	{

    55 	CTWindow::ConstructL(aWs, aParent);

    56 	iVGRendering = CEGLRendering::NewL(iWindow);

    57 	}

    58 

    59 /**

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

    61  * 

    62  */

    63 void CTFlowWindowOpenVG::RenderL()

    64 	{

    65 	CTWindow::RenderL();

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

    67 	iInterleaveCounter++;

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

    69 		{

    70 		iVGRendering->UpdateDisplay();

    71 		iInterleaveCounter = 0;

    72 		}

    73 	}

    74