// 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 __MMFDEVSOUNDEVENTHANDLER_H

#define __MMFDEVSOUNDEVENTHANDLER_H

#include <e32base.h>

#include <e32std.h>

#include "MmfPolicyClientServer.h"

class CMMFDevSoundSessionXtnd;

class RMMFAudioPolicyProxy;

class TMMFAudioPolicyEvent

	{

public:

/**

	Default constructor.

	Provided so this class can be packaged in a TPckgBuf<>.

	@since 7.0s

*/

	TMMFAudioPolicyEvent() : iEventType(EMMFAudioPolicyNoEvent), iErrorCode(KErrNone) {};

	enum TAudioPolicyEventType

		{

		EMMFAudioPolicyNoEvent = 0,

		EMMFAudioPolicySwitchToIdle,

		EMMFAudioPolicyPriorityTooLow,

		EMMFAudioPolicyResourceNotification

		};

	TMMFAudioPolicyEvent(TAudioPolicyEventType aType, TInt aError, TMMFAudioPolicyState aState) : 

							iEventType(aType), iErrorCode(aError), iState(aState) {};

	TAudioPolicyEventType iEventType;

	TInt iErrorCode;

	TMMFAudioPolicyState iState;				

	};

typedef TPckgBuf<TMMFAudioPolicyEvent> TMMFAudioPolicyEventPckg;

class CMMFDevSoundEventHandler : public CActive

/**

*@internalTechnology

*/

	{

public:

	static CMMFDevSoundEventHandler* NewL(RMMFAudioPolicyProxy* aAudioPolicyProxy);

	~CMMFDevSoundEventHandler();

	void ReceiveEvents();

	void CancelReceiveEvents();

	void RunL();

	TInt RunError(TInt aError);

	void DoCancel();

	void SetDevSoundInfo(CMMFDevSoundSessionXtnd* aDevSound);

private:

	void ConstructL();

	CMMFDevSoundEventHandler(RMMFAudioPolicyProxy* aAudioPolicyProxy);

private:

	enum {EGranularity=8};

	RMMFAudioPolicyProxy*  iAudioPolicyProxy;

	TMMFAudioPolicyEventPckg	iAudioPolicyEventPckg;

	TRequestStatus	iRequestStatus;

	TInt			iDevSoundId;

	CMMFDevSoundSessionXtnd*	iDevSound;

	};

#endif