sl@0: /*
sl@0: * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifndef CLOGICALAUDIODEVICESINK_H
sl@0: #define CLOGICALAUDIODEVICESINK_H
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <f32file.h>
sl@0: #include <a3f/a3f_trace_utils.h>
sl@0: #include "audioprocessingunit.h"
sl@0: 
sl@0: class MLogicalSettingObserver;
sl@0: 
sl@0: /**
sl@0: This is the implementation of CAudioSink API.
sl@0: 
sl@0: @see CAudioComponent
sl@0: */
sl@0: NONSHARABLE_CLASS(CLogicalAudioDeviceSink) :	public CAudioProcessingUnit
sl@0: 	{
sl@0: friend class CAudioContext;
sl@0: friend class CLogicalAudioStream;
sl@0: public:
sl@0: 
sl@0: 	/**
sl@0: 	* Destructor.
sl@0: 	*
sl@0: 	* Deletes all objects and releases all resource owned by this instance.
sl@0: 	*/
sl@0: 	virtual ~CLogicalAudioDeviceSink();
sl@0: 
sl@0: 	// from base class CAudioProcessingUnit
sl@0: 	virtual TBool IsTypeOf(TUid aTypeId) const;
sl@0: 
sl@0: 	/**
sl@0: 	* Create a new instance.
sl@0: 	*
sl@0: 	* @return CAudioDeviceSink* a pointer to the created instance.
sl@0: 	*/
sl@0: 	static CLogicalAudioDeviceSink* NewL(TAny* aParam);
sl@0: 
sl@0: private:
sl@0: 
sl@0: 	void ConstructL();
sl@0: 
sl@0: 	CLogicalAudioDeviceSink(TAny* aParam);
sl@0: 	};
sl@0: 
sl@0: #endif // C_LOGICALAUDIODEVICESINK_H