// 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