/*

* Copyright (c) 2004 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:  Class definition for the SourceAdapter functions.

*

*/

#ifndef CDATASOURCEADAPTER_H

#define CDATASOURCEADAPTER_H

//  INCLUDES

#include <mmfbuffer.h>

#include <mmfutilities.h>

#include <e32base.h>

#include <mmfbase.h>

#include <caf/manager.h>

// CONSTANTS

const TUid KS60AudioStreamingSourceUid	= {0x10207AF3};

const TUid KMmdsProgDLSourceUid			= {0x10207B46};

const TUid KMmdsStreamingSourceUid		= {0x10207B7B};

const TUid KOldProgDLSourceUid			= {0x10207A7C};

const TUid KMmdsFileSourceUid			= {0x10207B89};

const TUid KMmdsDescriptorSourceUid		= {0x10207B8B};

const TInt KErrSourceAdapter            = -1001;

// FORWARD DECLARATIONS

class CMMFClip;

class CMMFDataBuffer;

class MDataSink;

class MDataSource;

class MAsyncEventHandler;

class CConfigurationComponentsFactory;

class CAudioOutputControlUtility;

class CDRMConfigIntfc;

class CMMFDevSound;

class CMMFBuffer;

class MMultimediaDataSourceObserver;        

class CMultimediaDataSource;

class CAudioOutputControlUtility;  

// CLASS DEFINITIONS

/**

*  This class provides CDataSourceAdapter functions.

*

*  @lib CDataSourceAdapter.lib

*  @since 3.2

*/

class CDataSourceAdapter : public CBase

    {

	public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CDataSourceAdapter* NewL();

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CDataSourceAdapter();

		// New (like MDataSource)

		IMPORT_C virtual TUid DataSourceType();

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

		IMPORT_C virtual void BufferEmptiedL(CMMFBuffer* aBuffer);

		IMPORT_C virtual TBool CanCreateSourceBuffer();

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

		IMPORT_C virtual TInt SourceThreadLogon(MAsyncEventHandler& aEventHandler);

		IMPORT_C virtual void SourceThreadLogoff();

		IMPORT_C virtual void SourcePrimeL();

		IMPORT_C virtual void SourceStopL();

		IMPORT_C virtual void SourcePlayL();

        IMPORT_C virtual void Event(TUid aEvent);

		// New

		IMPORT_C virtual TInt SeekToPosition(TUint aPosition);

		IMPORT_C virtual TInt SeekToTime(TUint aTimeMs);

        IMPORT_C virtual TInt SeekToTime(TUint aTimeMs, TUint& aFoundTimeMs);

		IMPORT_C virtual TBool IsTimeSeekable();

		IMPORT_C virtual TBool IsPositonSeekable();

		IMPORT_C virtual void SetDataSourceL(MDataSource* aDataSource,

											MMultimediaDataSourceObserver* aMMultimediaDataSourceObserver,

											MAsyncEventHandler* aMAsyncEventHandler);

		IMPORT_C virtual TInt SourceSize();

		IMPORT_C virtual TInt IsProtectedL();

		IMPORT_C virtual void SetSourcePrioritySettings(const TMMFPrioritySettings& aPrioritySettings);

		IMPORT_C virtual TInt ExecuteIntent(ContentAccess::TIntent aIntent);

		IMPORT_C virtual TInt SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue);

		IMPORT_C virtual TInt EvaluateIntent(ContentAccess::TIntent aIntent);

        IMPORT_C virtual TInt GetInterface(TUid aInterfaceId, TVersion& aVer, TAny*& aInterfaceImpl);

		IMPORT_C virtual TBool OnlyHeaderPresent();

		//sets the AudioOutputControlUtitlity reference and sets Datasource to AudioOutputContolUtility

		IMPORT_C TInt SetAudioOutputControlUtil(CAudioOutputControlUtility* aAudioOutputControlUtility);

	protected:

        /**

        * C++ default constructor.

        */

		IMPORT_C CDataSourceAdapter();

	private:

        /**

        * By default Symbian 2nd phase constructor is private.

        */

		void ConstructL();

	protected:

        class CAsyncProxyFillBuffer : public CActive

            {

            public: // may want to export constructor and fillbuffer for 3gpdatasourceadapter

                CAsyncProxyFillBuffer(MDataSource* aDataSource);

            	~CAsyncProxyFillBuffer();

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

                void Reset();

            protected:	

                void RunL();

                TInt RunError(TInt aError);

                void DoCancel();

            private:

                TRequestStatus* iRequestStatus;

                MDataSource* iDataSource;

			    CMMFBuffer* iBuffer;

    			MDataSink* iConsumer;

    			TMediaId iMediaId;

				RPointerArray<CMMFBuffer> iQueuedAsyncBuffers;

				TInt			iReadPos;

            };

	protected:	// Data

		TUid			iSourceType;

		MDataSource*	iDataSource;

        CMultimediaDataSource* iMMDataSource;

        MAsyncEventHandler* iAsyncEventHandler;

		TInt			iSourceSize;

		TBool			iPosSeekable;

		TBool			iTimeSeekable;

		TBool			iIsProtected;

		CMMFDataBuffer* iZeroBuffer;

		CMMFDataBuffer* iHdrBuffer;

		CMMFClip*		iClip;

		CAsyncProxyFillBuffer*	iAsyncProxyFillBuffer;

		TBool			iHeaderOnly;

		CAudioOutputControlUtility* iAudioOutputControlUtility;  

    };

#endif 		// CDATASOURCEADAPTER_H

// End of File