1 /*

     2 * Copyright (c) 2009 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: Main View Observer Manager Interface

    15 *

    16 */

    17 #ifndef MCAMAINVIEWOBSERVERMANAGERPC_H

    18 #define MCAMAINVIEWOBSERVERMANAGERPC_H

    19 

    20 class MCAMainViewObserverPC;

    21 class MCASyncObserverPC;

    22 

    23 class MCAMainViewObserverManagerPC

    24     {

    25 

    26     public:

    27 

    28         //events or callbacks to UI..

    29 

    30         /**

    31         * Adds observer, handles errors by leaving.

    32         * Adds observer, observer must point to valid

    33         * object. If aObserver is NULL, leaves with

    34         * @param aObserver The observer to add.

    35         */

    36         virtual void AddObserverL( MCAMainViewObserverPC* aObserver ) = 0;

    37 

    38         /**

    39          * RemoveObserver, remove from call back

    40          */

    41         virtual void RemoveObserver( MCAMainViewObserverPC* aObserver ) = 0;

    42 

    43         /**

    44          * Adds observer, observer must point to valid

    45          * @param aObserver The observer to add.

    46          */

    47         virtual void AddObserver( MCASyncObserverPC* aObserver ) = 0;

    48 

    49         /**

    50          * RemoveObserver, remove from call back

    51          */

    52         virtual void RemoveObserver( ) = 0;

    53 

    54         /**

    55          * ~MCAMainViewObserverManagerPC

    56          */

    57         virtual ~MCAMainViewObserverManagerPC() {};

    58     };

    59 

    60 #endif //MCAMAINVIEWOBSERVERMANAGERPC_H