// 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 __MMFAUDIOPOLICYSESSION_H__

#define __MMFAUDIOPOLICYSESSION_H__

#include <e32base.h>

#include <e32std.h>

#include <mmf/common/mmfipc.h>

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

#include <mmf/common/mmfipcserver.h>

#endif

#include "MmfAudioPolicyRequest.h"  

#include "MmfPolicyClientServer.h"

#include "MmfDevSoundEventHandler.h"

#include <mmf/common/mmfstandardcustomcommands.h>

class CMMFAudioPolicyEventReceiver : public CBase

/**

*@internalTechnology

*/

	{

public:

	static CMMFAudioPolicyEventReceiver* NewL(const RMmfIpcMessage& aMessage);

	~CMMFAudioPolicyEventReceiver();

	void SendEvent(const TMMFAudioPolicyEvent& aEvent);

	void SendEvent(const TMMFEvent& aEvent);

private:

	CMMFAudioPolicyEventReceiver(const RMmfIpcMessage& aMessage);

private:

	RMmfIpcMessage iMessage;

	TBool iNeedToCompleteMessage;

	};

class CAudioPolicy;

class CMMFAudioPolicyServer;

class CMMFAudioPolicySession : public CMmfIpcSession

/**

*@internalTechnology

*/

	{

public:

	static CMMFAudioPolicySession* NewL();

	~CMMFAudioPolicySession();

	void CreateL(const CMmfIpcServer& aServer);

	void ServiceL(const RMmfIpcMessage& aMessage);

	CMMFAudioPolicyRequest* AudioPolicyRequest(void) {return iAudioPolicyRequest;};

	TInt PolicySessionId(void) {return iPolicySessionId;};

	void SendEventToClient(const TMMFAudioPolicyEvent& aEvent);

	CMMFAudioPolicyServer* Server();

	void ClearEventQ();

private:

	class TMMFAudioPolicyEventHolder

		{

	public:

		TMMFAudioPolicyEventHolder(const TMMFAudioPolicyEvent& aEvent, TBool aNeedsDeletion) : 	iEvent(aEvent),

																								iShallBeDeleted(aNeedsDeletion) {};

		TMMFAudioPolicyEvent iEvent;

		const TBool iShallBeDeleted;

		TSglQueLink iLink;

		};

private:

	CMMFAudioPolicySession();

	void ConstructL();

	void MakeRequestL(const RMmfIpcMessage& aMessage);

	TBool UpdateStateL(const RMmfIpcMessage& aMessage);

	TBool ReceiveEventsL(const RMmfIpcMessage& aMessage);

	TBool CancelReceiveEvents();

	TBool GetPlayFormatsSupportedL(const RMmfIpcMessage& aMessage);

	TBool GetRecordFormatsSupportedL(const RMmfIpcMessage& aMessage);

	TBool GetPlayFormatL(const RMmfIpcMessage& aMessage);

	TBool GetRecordFormatL(const RMmfIpcMessage& aMessage);

	TBool SetDevSoundInfoL(const RMmfIpcMessage& aMessage);

	TBool LaunchRequest();

	TBool RequestResourceNotificationL(const RMmfIpcMessage& aMessage);

	TBool CancelRequestResourceNotificationL(const RMmfIpcMessage& aMessage);

	TBool StopNotificationL(const RMmfIpcMessage& aMessage);

	TBool GetResourceNotificationEventL(const RMmfIpcMessage& aMessage) const;

	CMMFAudioPolicyServer* iServer;

	CMMFAudioPolicyRequest* iAudioPolicyRequest;

	CAudioPolicy* iAudioPolicy;

	CMMFAudioPolicyEventReceiver* iEventReceiver;

	TSglQue<TMMFAudioPolicyEventHolder> iEventsQue;

	TInt iPolicySessionId;

	TInt iDevSoundId;

	TMMFAudioPolicyPrioritySettings	iAudioPolicyPrioritySettings;

	TMMFAudioPolicyEventHolder 	iNoMemoryEventHolder;

	TBool iNoMemoryEventUsed;

	TInt iEventQSize;

	};

#endif