// Copyright (c) 2008-2009 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:

//

#include "drawresource.h"

#include "wstop.h"

#include <graphics/sgimage.h>

CWsDrawableSource::CWsDrawableSource(CWsClient *aOwner)

	: CWsObject(aOwner, WS_HANDLE_DRAWABLE_SOURCE)

	{

	}

CWsDrawableSource::~CWsDrawableSource()

	{

	if (iDrawableSource && iDrawResource)

		{

		iDrawResource->CloseDrawableSource(iDrawableSource);

		}

	}

void CWsDrawableSource::ConstructL(const TWsClCmdCreateDrawableSource &aParams)

	{

	NewObjL();

	CScreen* screen = NULL;

	if (Rng(0, aParams.iScreenNumber, CWsTop::NumberOfScreens() - 1))

		{

		screen = CWsTop::Screen(aParams.iScreenNumber);

		}

	else

		{

		User::Leave(KErrArgument);

		}

	MWsScreen* pOI=screen;

	WS_ASSERT_ALWAYS(pOI, EWsPanicNoScreen);

	CWsDrawableSource::iDrawResource = pOI->ObjectInterface<MWsDrawableSourceProvider>();

	if (!iDrawResource)

		{

		User::Leave(KErrNotSupported);

		}

	User::LeaveIfError(iDrawResource->CreateDrawableSource(aParams.iDrawableId, iDrawableSource));

	IncRefCount();

	}

void CWsDrawableSource::CommandL(TInt aOpcode, const TAny *)

	{

	switch(aOpcode)

		{

		case EWsDrawableSourceOpFree:

			iFlags |= EWsClientHandleClosed;

			DecRefCount();

			break;

		default:

			OwnerPanic(EWservPanicOpcode);

			break;

		}

	}

/*

CWsDrawableSource is a reference counted object so we cannot simply close the object as somebody else may have a reference to it

*/

void CWsDrawableSource::CloseObject()

	{

	RemoveFromIndex();

	if (!(iFlags & EWsClientHandleClosed))

		{

		DecRefCount();

		}

	}

void CWsDrawableSource::IncRefCount()

	{

	iRefCount++;

	}

void CWsDrawableSource::DecRefCount()

	{

	if (--iRefCount <= 0)

		{

		delete this;

		}

	}

void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation) const

	{

	ASSERT(iDrawResource);

	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

	if (drawResource == iDrawResource)

		{

		drawResource->DrawResource(iDrawableSource, aPos, aRotation);

		}

	}

void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation) const

	{

	ASSERT(iDrawResource);

	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

	if (drawResource == iDrawResource)

		{

		drawResource->DrawResource(iDrawableSource, aRect, aRotation);

		}

	}

void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation) const

	{

	ASSERT(iDrawResource);

	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

	if (drawResource == iDrawResource)

		{

		drawResource->DrawResource(iDrawableSource, aRectDest, aRectSrc, aRotation);

		}

	}

void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, const TDesC8& aDes) const

	{

	ASSERT(iDrawResource);

	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

	if (drawResource == iDrawResource)

		{

		drawResource->DrawResource(iDrawableSource, aRect, aDes);

		}

	}