/*

* Copyright (c) 2007-2009 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 MMFAUDIOSVRSERVICE_H

#define MMFAUDIOSVRSERVICE_H

/**

@publishedPartner 

@file

@released

*/

//  INCLUDES

#include <ecom/ecom.h>

#include <badesca.h>

/**

This is the interface for all audio service 

plugins. So Each Service plugin has to implement this interface.

*/

class MAudioSvrService

	{	

public:

	/**

	This method is used to pass a destructor key for ECom. The passed UID must be retained for the lifetime 

	of the plugin and, on a subsequent call to Release(),REComSession::DestroyedImplementation() must be 

	called by the plugin, using the stored UID.

	@param aUid The Uid returned by REComSession::CreateImplementationL() or similar.

	*/

	virtual void PassDestructorKey(TUid aUid)=0;

	/**

	This method is used to load or create the objects that are internally used by service plugin.

	@return KErrNone if successfull, else corresponding error code

	*/

	virtual TInt Load()=0;

	/**

	This method is used to start the service.

	@return KErrNone if successfull, else corresponding error code

	*/

	virtual TInt Start()=0;

	/**

	This method is used to Stop the service.

	@return KErrNone if successfull, else corresponding error code

	*/

	virtual void Stop()=0;

	/**

	This method is used to destroy plugin. This is equivalent to destructor.

	*/

	virtual void Release()=0;

	};

#endif