// 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:

//

/**

 @file

 @publishedPartner

 @prototype

*/

#ifndef MMFSUBTITLEGRAPHIC_H

#define MMFSUBTITLEGRAPHIC_H

#include <e32std.h>

#include <w32std.h>

/** 

 * Client representation of a window-server-side subtitle drawer

*/

NONSHARABLE_CLASS(CMMFSubtitleGraphic): public CWsGraphic

    {

public:

    IMPORT_C static CMMFSubtitleGraphic* NewL();

    IMPORT_C virtual ~CMMFSubtitleGraphic();

	IMPORT_C void Clear();

	IMPORT_C TInt DrawFrame(TInt aFrameHandle, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);

	IMPORT_C TInt Initialize(TInt aBuffer1, TInt aBuffer2);

	IMPORT_C void Initialize();

	IMPORT_C TInt SwapFrame(TUint aExpectedBuffer, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);

private:

	CMMFSubtitleGraphic();

	void ConstructL();

	// Utility functions

	TInt CheckBitmapHandle(TInt aHandle);

	// From CWsGraphic

	void HandleMessage(const TDesC8 &aData);

	void OnReplace();

private:

	enum TSubtitleGraphicState

		{

		ESubtitleGraphicStateWaiting 		= 1,

		ESubtitleGraphicStateInit			= 2,

		ESubtitleGraphicStateInitSimple		= 3

		};	

	TSubtitleGraphicState iState;

	// Used to check bitmap handles.  Constructed as part of the object to avoid

	// duplicate allocation.

	CFbsBitmap* iTempBitmap;

	};

#endif