/*

* 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 MMMAPLAYERINSTANCEOBSERVER_H

#define MMMAPLAYERINSTANCEOBSERVER_H

//  FORWARD DECLARATIONS

class CMMAPlayer;

//  CLASS DEFINITION

/*

-----------------------------------------------------------------------------

    DESCRIPTION

    Interface used to inform external components about player instances.

-----------------------------------------------------------------------------

*/

NONSHARABLE_CLASS(MMMAPlayerInstanceObserver)

{

public:

    /**

     * Adds new player to observer.

     *

     * @param aPlayer Player instance to add.

     */

    virtual void AddPlayerNotifyL(CMMAPlayer* aPlayer) = 0;

    /**

     * Removes player from observer.

     *

     * @param aPlayer Player instance to remove.

     */

    virtual void RemovePlayerNotify(CMMAPlayer* aPlayer) = 0;

protected:

    /**

     * Deletion through this interface is not allowed.

     */

    virtual ~MMMAPlayerInstanceObserver() {};

};

#endif // MMMAPLAYERINSTANCEOBSERVER_H