1 // Copyright (c) 2010 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 // Guest video driver - request handler extension (a.k.a. Command Scheduler extension)

    15 // This allows the sgdevice.ldd to make calls into the Command Scheduler

    16 //

    17 

    18 #ifndef ReqHandlerExtension_H

    19 #define ReqHandlerExtension_H

    20 

    21 

    22 #include <kernel/kernel.h>

    23 

    24 #include <sgresource/sgcommon.h>//TSgImageMetaData

    25 

    26 #include "virtualvideotracing.h"

    27 

    28 class MReqHandlerCallback

    29     {

    30 public:

    31 	virtual void CreateSgImagePbuffer( const TSgImageMetaData& aInfo, TRequestStatus* aStatus, DThread* aThread ) = 0;

    32 	virtual void CreateSgImageVGImage( const TSgImageMetaData& aInfo, TRequestStatus* aStatus, DThread* aThread ) = 0;

    33 	virtual TInt DestroySgImage( const TUint64 aId ) = 0;    

    34     };

    35 

    36 NONSHARABLE_CLASS(DReqHandlerExtensionImpl): public DBase

    37 	{

    38 public:

    39 	TInt Construct();

    40 	void CreateSgImagePbuffer( const TSgImageMetaData& aInfo, TRequestStatus* aStatus, DThread* aThread );

    41 	void CreateSgImageVGImage( const TSgImageMetaData& aInfo, TRequestStatus* aStatus, DThread* aThread );

    42 	TInt DestroySgImage( const TUint64 aId );

    43 	TInt SetReqHandler( MReqHandlerCallback* aHandler );

    44 private:

    45 	DMutex* iMutex;

    46 	MReqHandlerCallback* iCallBackHandler;//not owned

    47 	};

    48 

    49 class ReqHandlerExtension

    50 	{

    51 public:

    52 	//SgImage Creation and Destruction commands:

    53 	IMPORT_C static TInt CreateSgImagePbuffer( const TSgImageMetaData& aInfo );

    54 	IMPORT_C static TInt CreateSgImageVGImage( const TSgImageMetaData& aInfo );

    55 	IMPORT_C static TInt DestroySgImage( const TUint64 aId );

    56 	IMPORT_C static TInt SetReqHandler( MReqHandlerCallback* aHandler );

    57 	//other functions to be added

    58 	};

    59 

    60 //#include <sgresource/ReqHandlerExtension.inl>

    61 

    62 #endif // ReqHandlerExtension_H