// Copyright (c) 2001-2009 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 __MMFDEVSOUNDCALLBACKHANDLER_H

#define __MMFDEVSOUNDCALLBACKHANDLER_H

#include <e32base.h>

#include <e32std.h>

#include <mmf/common/mmfcontrollerframeworkbase.h>

#include <mmf/server/sounddevice.h>

#include "MmfDevSoundProxy.h"

#include <e32msgqueue.h>

/*

 *

 *	Class Name:	CMsgQueueHandler

 *

 *	AO that manages the message queue

 *  @internalComponent

 *

 */

class CMsgQueueHandler : public CActive

	{

public:

	static CMsgQueueHandler* NewL(RMMFDevSoundProxy* aDevSoundProxy,

								  MDevSoundObserver& aDevSoundObserver,

								  RMsgQueue<TMMFDevSoundQueueItem>* aMsgQueue,

								  MMMFDevSoundCustomInterfaceObserver& aDevSoundIntfcObserver);

	void SetObserver(MDevSoundObserver& aDevSoundObserver);

	~CMsgQueueHandler();

	void ReceiveEvents();

	void RunL();

	TInt RunError(TInt aError);

	void DoCancel();

private:

	CMsgQueueHandler(RMMFDevSoundProxy* aDevSoundProxy,

					 MDevSoundObserver& aDevSoundObserver,

					 RMsgQueue<TMMFDevSoundQueueItem>* aMsgQueue,

					 MMMFDevSoundCustomInterfaceObserver& aDevSoundIntfcObserver);

	void ConstructL();

	void ReceiveAllEvents();

	void DoInitComplete();

	void DoPlayErrorComplete();

	void DoRecordErrorComplete();

	void DoBTBFCompleteL();

	void DoBTBECompleteL();

	void DoToneFinishedComplete();

	void DoSendEventToClientComplete();

private:

	RMMFDevSoundProxy* iDevSoundProxy;

	MDevSoundObserver* iDevSoundObserver;

	TMMFDevSoundProxyHwBufPckg iSetPckg;

	TMMFEventPckg iEventPckg;

	RMsgQueue<TMMFDevSoundQueueItem>* iMsgQueue;

	TMMFDevSoundQueueItem	iCurrentItem;

	TMMFDevSoundProxyRequest iCurrentRequest;

	CMMFDataBuffer* iBuffer;	// buffer to be emptied

	MMMFDevSoundCustomInterfaceObserver& iDevSoundIntfcObserver;

	};

#endif