/*

* Copyright (c) 2006 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:  Header of ProgDLSource.

*

*/

#ifndef __PROGDLDATASOURCE_H_

#define __PROGDLDATASOURCE_H_

#include <mmf/server/mmfdatasource.h> 

#include <MultimediaDataSource.h> 

#include <DataBufferSource.h> 

class CSinkQueueItem;

using multimedia::TBufferingConfig;

/**

@publishedAll

@released

Provides the filename and path of file. 

Used by CProgDLMultimediaSource::ConstructL().

*/

class TMMFFileParams

    {

    public:

    /**

    Filename and path of file. 

        */

        TFileName iPath ; // Filename and path of file.

    private:

    /**

    This member is internal and not intended for use.

        */

        TInt iReserved1;

    };

    /**

    @internalTechnology	

*/

const TUid KFileHandleUid = {0x101FFA19};

const TUid KMMFileSourceUid = {0x101F7DA9};

const TUid KMMFileHandleSourceUid = {0x101F7DAA};

/**

@publishedAll

@released

  Provides a pointer to the file handle 

    Used by CProgDLMultimediaSource::ConstructL().

*/

class TMMFFileHandleParams

    {

    public:

        TMMFFileHandleParams(RFile* aFile) : iUid(KFileHandleUid), iFile(aFile) {}

        TMMFFileHandleParams() : iUid(KFileHandleUid) {}

        TUid iUid;

        /**

        Handle of file 

        */

        RFile* iFile;

    private:

    /**

    This member is internal and not intended for use.

        */

        TInt iReserved1;

    };

    /**

    @publishedAll

    @released

*/

typedef TPckgBuf<TMMFFileParams>  TMMFFileConfig ;

/**

@publishedAll

@released

*/

typedef TPckgBuf<TMMFFileHandleParams>  TMMFFileHandleConfig ;

/**

@publishedAll

@released

  This details how big the iTransferBufferCopies array of CProgDLMultimediaSource may

  become before we start looking to free entries.

*/

const TInt KAcceptableTransferBufferCopiesSize = 5;

/**

@publishedAll

@released

  This details how big the iTransferBufferCopies array of CProgDLMultimediaSource may

  become before we start looking to free entries.

*/

const TInt KMaximumTransferBufferCopiesSize = 100;

class CProgDLMultimediaSource;

class CProgDLSource : public MDataSource

    {

    public:

        static CProgDLSource* NewL( TUid aType );

		~CProgDLSource(void);        

        // From MDataSource begins

        TFourCC SourceDataTypeCode(TMediaId aMediaId) ;

        void FillBufferL( CMMFBuffer* aBuffer, MDataSink* aConsumer, TMediaId aMediaId ) ;

        void BufferEmptiedL( CMMFBuffer* aBuffer ) ;

        TBool CanCreateSourceBuffer() ;

        CMMFBuffer* CreateSourceBufferL( TMediaId aMediaId, TBool &aReference ) ;

        TInt SourceThreadLogon(MAsyncEventHandler& aEventHandler) ;

        void SourceThreadLogoff();

        void SourcePrimeL();

        void SourcePlayL();

        void SourceStopL();

        void SourceCustomCommand(TMMFMessage& aMessage);

        void ConstructSourceL(const TDesC8 &aInitData);

        TUid DataSourceType() const;

        TInt SetSourceDataTypeCode(TFourCC aSourceFourCC, TMediaId /*aMediaId*/ );

         // From MDataSource ends

        void SetMultimediaSource(CProgDLMultimediaSource& aMultimediaSource);

        TDesC8& GetInitData();

    private:

        CProgDLSource(TUid aType);

        void ConstructL (void);

    private:

        //Data

        CProgDLMultimediaSource* iMultiMediaSource; 

        HBufC8* iInitData;       

    }; 

#endif