1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @publishedPartner

    19  @prototype

    20 */

    21 

    22 #ifndef MMFSUBTITLEGRAPHIC_H

    23 #define MMFSUBTITLEGRAPHIC_H

    24 

    25 #include <e32std.h>

    26 #include <w32std.h>

    27 

    28 /** 

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

    30 */

    31 NONSHARABLE_CLASS(CMMFSubtitleGraphic): public CWsGraphic

    32     {

    33 public:

    34     IMPORT_C static CMMFSubtitleGraphic* NewL();

    35     IMPORT_C virtual ~CMMFSubtitleGraphic();

    36 	IMPORT_C void Clear();

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

    38 	IMPORT_C TInt Initialize(TInt aBuffer1, TInt aBuffer2);

    39 	IMPORT_C void Initialize();

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

    41 

    42 private:

    43 	CMMFSubtitleGraphic();

    44 	void ConstructL();

    45 	

    46 	// Utility functions

    47 	TInt CheckBitmapHandle(TInt aHandle);

    48 	

    49 	// From CWsGraphic

    50 	void HandleMessage(const TDesC8 &aData);

    51 	void OnReplace();

    52 

    53 private:

    54 	enum TSubtitleGraphicState

    55 		{

    56 		ESubtitleGraphicStateWaiting 		= 1,

    57 		ESubtitleGraphicStateInit			= 2,

    58 		ESubtitleGraphicStateInitSimple		= 3

    59 		};	

    60 		

    61 	TSubtitleGraphicState iState;

    62 		

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

    64 	// duplicate allocation.

    65 	CFbsBitmap* iTempBitmap;

    66 	};

    67 

    68 #endif