/*

* Copyright (c) 2005 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 MUSHENGOBSERVER_H

#define MUSHENGOBSERVER_H

// INCLUDES

//#include <e32std.h>

// CLASS DECLARATION

/**

*  An interface to be implemented by users of Multimedia Sharing Engine if they wish to receive

*  events from session state changes.

*

*  This observer is set using CMSSession::SetSessionObserver function.

*

*  @lib ???.lib

*/

class MMusEngObserver

    {

    protected:

        /**

        * Callback function to indicate that engine state was changed

        * @param aState, the new session state

        */

        virtual void EngineStateChangedL(/*const TMSEngState& aState*/) = 0;

    };

#endif