// Copyright (c) 2004-2009 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:

 //

 #ifndef __MMFBTDEVSOUNDSESSIONTND_H__

 #define __MMFBTDEVSOUNDSESSIONTND_H__

 #include "MmfBtDevSoundSession.h"

 #include "MmfBtDevSoundInfo.h"

 /*

  *

  *	Class Name:	CMMFDevSoundSessionXtnd

  *

  *  This class provides an extended interface for CMMFDevSound - intended

  *  to provide additional calls that are applicable to a particular implementation

  *  This version is built on RMdaDevSound

  */

 class CMMFDevSoundSessionXtnd;	// declared here.

 NONSHARABLE_CLASS( CMMFDevSoundSessionXtnd ) : public CMMFDevSoundSession

 	{

 public:

 	// Interface for Audio Policy

 	// Sets id for this DevSound instance

 	void SetDevSoundId(TInt aDevSoundId);

 	// Returns info about this DevSound instance

 	TMMFDevSoundInfo DevSoundInfo();

 	// Called by Audio Policy Server when play reqeust is granted

 	void StartPlayDataL();

 	// Called by Audio Policy Server when record reqeust is granted

 	void StartRecordDataL();

 	// Called by Audio Policy Server when play tone reqeust is granted

 	void StartPlayToneL();

 	// Called by Audio Policy Server when play dual tone request is granted

 	void StartPlayDualToneL();

 	// Called by Audio Policy Server when play DTMF reqeust is granted

 	void StartPlayDTMFStringL();

 	// Called by Audio Policy Server when play tone sequence reqeust is granted

 	void StartPlayToneSequenceL();

 	// Called by Audio Policy Server when DevSound instance looses device

 	void SendEvent(const TMMFEvent& aEvent);

 	// Updates the total bytes played from audio device

 	void UpdateBytesPlayed();

 	// CMMFHwDevice implementation:

 	TInt FillThisBuffer(CMMFBuffer& aHwBuffer);

 	TInt EmptyThisBuffer(CMMFBuffer& aHwBuffer);

 	TInt DeviceMessage(TDesC8& aMsg);

 	void DeviceStopped();

 	// CMMFHwDevice implementation ends

 	};

 #endif // __MMFBTDEVSOUNDSESSIONTND_H__