os/mm/devsound/devsoundrefplugin/src/server/MmfAudioPolicySession.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __MMFAUDIOPOLICYSESSION_H__
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#define __MMFAUDIOPOLICYSESSION_H__
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#include <e32base.h>
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#include <e32std.h>
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#include <mmf/common/mmfipc.h>
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
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#include <mmf/common/mmfipcserver.h>
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#endif
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#include "MmfAudioPolicyRequest.h"  
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#include "MmfPolicyClientServer.h"
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#include "MmfDevSoundEventHandler.h"
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#include <mmf/common/mmfstandardcustomcommands.h>
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class CMMFAudioPolicyEventReceiver : public CBase
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/**
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*@internalTechnology
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*/
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	{
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public:
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	static CMMFAudioPolicyEventReceiver* NewL(const RMmfIpcMessage& aMessage);
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	~CMMFAudioPolicyEventReceiver();
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	void SendEvent(const TMMFAudioPolicyEvent& aEvent);
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	void SendEvent(const TMMFEvent& aEvent);
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private:
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	CMMFAudioPolicyEventReceiver(const RMmfIpcMessage& aMessage);
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private:
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	RMmfIpcMessage iMessage;
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	TBool iNeedToCompleteMessage;
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	};
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class CAudioPolicy;
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class CMMFAudioPolicyServer;
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class CMMFAudioPolicySession : public CMmfIpcSession
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/**
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*@internalTechnology
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*/
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	{
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public:
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	static CMMFAudioPolicySession* NewL();
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	~CMMFAudioPolicySession();
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	void CreateL(const CMmfIpcServer& aServer);
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	void ServiceL(const RMmfIpcMessage& aMessage);
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	CMMFAudioPolicyRequest* AudioPolicyRequest(void) {return iAudioPolicyRequest;};
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	TInt PolicySessionId(void) {return iPolicySessionId;};
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	void SendEventToClient(const TMMFAudioPolicyEvent& aEvent);
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	CMMFAudioPolicyServer* Server();
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	void ClearEventQ();
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private:
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	class TMMFAudioPolicyEventHolder
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		{
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	public:
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		TMMFAudioPolicyEventHolder(const TMMFAudioPolicyEvent& aEvent, TBool aNeedsDeletion) : 	iEvent(aEvent),
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																								iShallBeDeleted(aNeedsDeletion) {};
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		TMMFAudioPolicyEvent iEvent;
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		const TBool iShallBeDeleted;
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		TSglQueLink iLink;
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		};
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private:
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	CMMFAudioPolicySession();
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	void ConstructL();
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	void MakeRequestL(const RMmfIpcMessage& aMessage);
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	TBool UpdateStateL(const RMmfIpcMessage& aMessage);
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	TBool ReceiveEventsL(const RMmfIpcMessage& aMessage);
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	TBool CancelReceiveEvents();
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	TBool GetPlayFormatsSupportedL(const RMmfIpcMessage& aMessage);
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	TBool GetRecordFormatsSupportedL(const RMmfIpcMessage& aMessage);
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	TBool GetPlayFormatL(const RMmfIpcMessage& aMessage);
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	TBool GetRecordFormatL(const RMmfIpcMessage& aMessage);
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	TBool SetDevSoundInfoL(const RMmfIpcMessage& aMessage);
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	TBool LaunchRequest();
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	TBool RequestResourceNotificationL(const RMmfIpcMessage& aMessage);
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	TBool CancelRequestResourceNotificationL(const RMmfIpcMessage& aMessage);
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	TBool StopNotificationL(const RMmfIpcMessage& aMessage);
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	TBool GetResourceNotificationEventL(const RMmfIpcMessage& aMessage) const;
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	CMMFAudioPolicyServer* iServer;
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	CMMFAudioPolicyRequest* iAudioPolicyRequest;
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	CAudioPolicy* iAudioPolicy;
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	CMMFAudioPolicyEventReceiver* iEventReceiver;
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	TSglQue<TMMFAudioPolicyEventHolder> iEventsQue;
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	TInt iPolicySessionId;
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	TInt iDevSoundId;
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	TMMFAudioPolicyPrioritySettings	iAudioPolicyPrioritySettings;
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	TMMFAudioPolicyEventHolder 	iNoMemoryEventHolder;
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	TBool iNoMemoryEventUsed;
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	TInt iEventQSize;
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	};
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#endif