1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 #ifndef MMMAPLAYERINSTANCEOBSERVER_H

    20 #define MMMAPLAYERINSTANCEOBSERVER_H

    21 

    22 //  FORWARD DECLARATIONS

    23 class CMMAPlayer;

    24 

    25 

    26 //  CLASS DEFINITION

    27 /*

    28 -----------------------------------------------------------------------------

    29 

    30     DESCRIPTION

    31 

    32     Interface used to inform external components about player instances.

    33 -----------------------------------------------------------------------------

    34 */

    35 NONSHARABLE_CLASS(MMMAPlayerInstanceObserver)

    36 {

    37 public:

    38     /**

    39      * Adds new player to observer.

    40      *

    41      * @param aPlayer Player instance to add.

    42      */

    43     virtual void AddPlayerNotifyL(CMMAPlayer* aPlayer) = 0;

    44 

    45     /**

    46      * Removes player from observer.

    47      *

    48      * @param aPlayer Player instance to remove.

    49      */

    50     virtual void RemovePlayerNotify(CMMAPlayer* aPlayer) = 0;

    51 

    52 protected:

    53     /**

    54      * Deletion through this interface is not allowed.

    55      */

    56     virtual ~MMMAPlayerInstanceObserver() {};

    57 };

    58 

    59 #endif // MMMAPLAYERINSTANCEOBSERVER_H