// 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 "tflowwindow.h"

#include "surfaceutility.h"

CTWindow* CTFlowWindow::NewL(RWsSession &aWs, const RWindowTreeNode &aParent, const TPoint& aStartingPoint, const TSize& aWindowSize)

    {

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

    CleanupStack::PushL(self);

    self->ConstructL(aWs, aParent);

    CleanupStack::Pop(self);

    return self;

    }

CTFlowWindow::CTFlowWindow(const TPoint& aStartingPoint, const TSize& aWindowSize) : CTWindow(aStartingPoint, aWindowSize)

    {

    iImageInfo.iSizeInPixels = aWindowSize;

    iImageInfo.iPixelFormat = EUidPixelFormatXRGB_8888; //todo: is this format okay (EUidPixelFormatARGB_8888)?

    iImageInfo.iCpuAccess = ESgCpuAccessNone;

    iImageInfo.iUsage = ESgUsageOpenGlesTarget| ESgUsageDirectGdiSource | ESgUsageDirectGdiTarget;

    iImageInfo.iShareable = ETrue;

    iImageInfo.iScreenId = KSgScreenIdMain;

    }

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

	{

	CTWindow::ConstructL(aWs, aParent);

	User::LeaveIfError(iImageCollection.Create(iImageInfo, 1)); // creates an image collection with 1 image

	User::LeaveIfError(iImageCollection.OpenImage(0, iImage)); // opens a handle to the image

	// sets the image collection as background surface for the window

	User::LeaveIfError(SetBackgroundSurface(iImageCollection.SurfaceId()));

	// Connect to surface update session

	User::LeaveIfError(iUpdateSession.Connect());

	}

CTFlowWindow::~CTFlowWindow()

    {

    iUpdateSession.Close();

    iImage.Close();

    iImageCollection.Close();

    }

/**

 * Scales a bitmap from file to a surface.

 * 

 * @param aUtility Performs the loading of the bitmap and scaling to the surface.

 * @param aFileName Location of the bitmap.

 */

void CTFlowWindow::LoadL(CSurfaceUtility* aUtility, TPtrC aFileName)

	{

	aUtility->ScaleBitmapFromFileToSurfaceL(aFileName, iImageCollection.SurfaceId());

	}

void CTFlowWindow::RenderL()

    {

    CTWindow::RenderL();

    TRequestStatus status;

    iUpdateSession.NotifyWhenAvailable(status);

    User::LeaveIfError(iUpdateSession.SubmitUpdate(KSgScreenIdMain, 

            iImageCollection.SurfaceId(), 0, &DirtyRegion()));

    User::WaitForRequest(status);

    }