// 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 "tsmallwindowzoom.h"

const TRect KMinimumZoomRect(TSize(20, 20));

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

        CTSmallWindowRaster(aStartingPoint, aWindowSize)

	{

	// empty

	}

CTSmallWindowZoom::~CTSmallWindowZoom()

	{

	// empty

	}

CTWindow* CTSmallWindowZoom::NewL(RWsSession &aWs, 

		const RWindowTreeNode &aParent, 

		const TPoint& aStartingPoint,

		const TSize& aWindowSize)

	{

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

	CleanupStack::PushL(self);

    self->ConstructL(aWs, aParent);

    CleanupStack::Pop(self);

	return self;

	}

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

	{

	CTSmallWindowRaster::ConstructL(aWs, aParent);

	iDelta = 1;

	iZoom = EZoomIn;

	}

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

	{

	CTSmallWindowRaster::LoadL(aUtility, aFileName);

    iZoomRect = iSourceRect;

	}

void CTSmallWindowZoom::RenderL()

	{

	CTWindow::RenderL();

	if (iLoaded)

	    {

	    DrawBitmap(iZoomRect);

	    if (iZoom == EZoomIn)

            {

            iZoomRect.Shrink(iDelta, iDelta);

            if (iZoomRect.Width() <= KMinimumZoomRect.Width())

                {

                iZoom = EZoomOut;

                }

            }

        else 

            {

            iZoomRect.Grow(iDelta, iDelta);

            if (iZoomRect.Width() >= iSourceRect.Width())

                {

                iZoom = EZoomIn;

                }

            }

	    }

	}