// 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;

                 }

             }

 	    }

 	}