// Copyright (c) 2007-2009 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:

//

#ifndef REGISTEREDSURFACEMAP_H

#define REGISTEREDSURFACEMAP_H

#include <e32base.h>

#include <graphics/surface.h>

class CWindowElementSet;

class CWsClient;

class TSessionSurfaces;

class MWsScene;

class CRegisteredSurfaceMap : public CBase

{

public:

	~CRegisteredSurfaceMap();

	CRegisteredSurfaceMap(MWsScene& aScene);

	TInt Add(const CWsClient& aClient, const TSurfaceId& aSurfaceId);

	TInt Remove(CWsClient& aClient, const TSurfaceId& aSurfaceId);

	TInt RemoveAll(CWsClient& aClient);

private:

	static TInt CompareDeviceSurfaces (const TSessionSurfaces& aLeft, const TSessionSurfaces& aRight);

private:

	RArray<TSessionSurfaces> iSessionSurfaces;

	MWsScene& iScene;

};

class TSessionSurfaces

{

private:

	static TInt CompareIds (const TSurfaceId& aLeft, const TSurfaceId& aRight);

public:

	TSessionSurfaces(const CWsClient& aSession);

	inline const CWsClient& Session() const {return iSession;}

	TInt AddSurfaceId(const TSurfaceId& aSurfaceId, MWsScene& aScene);

	TInt RemoveSurfaceId(const TSurfaceId& aSurfaceId, MWsScene& aScene);

	TInt RemoveAll(MWsScene& aScene);

private:	

	const CWsClient& iSession;

public:

	RArray<TSurfaceId> iSurfaces;

};

#endif // REGISTEREDSURFACEMAP_H