1 /*

     2 * Copyright (c) 2004 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 the License "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:  Declaration of FavouritesDbNotifier

    15 *

    16 */

    17 

    18 

    19 #ifndef FAVOURITES_DB_NOTIFIER_H

    20 #define FAVOURITES_DB_NOTIFIER_H

    21 

    22 //  INCLUDES

    23 

    24 #include <FavouritesHandle.h>

    25 

    26 // FORWARD DECLARATIONS

    27 

    28 class RFavouritesDb;

    29 

    30 // CLASS DECLARATION

    31 

    32 /**

    33 * RFavouritesDbNotifier is the Favourites database change notifier 

    34 * for the Favourites Engine. It provides notification of database changes.

    35 */

    36 class RFavouritesDbNotifier: public RFavouritesHandle

    37     {

    38     public:     // update

    39 

    40         /**

    41         * Open the notifier.

    42         * @since 0.9 

    43         * @param aDb The database to be watched.

    44         * @return Error code.

    45         */

    46         IMPORT_C TInt Open( RFavouritesDb& aDb );

    47 

    48         /**

    49         * Request notification about all database events.

    50         * @since 0.9 

    51         * @param aStatus Request status.

    52         * @return void 

    53         */

    54         IMPORT_C void NotifyAllEvents( TRequestStatus& aStatus );

    55 

    56         /**

    57         * Request notification about database changes.

    58         * @since 0.9 

    59         * @param aStatus Request status.

    60         * @return void

    61         */

    62         IMPORT_C void NotifyChange( TRequestStatus& aStatus );

    63 

    64         /**

    65         * Cancel the outstanding request (if any).

    66         * @since 0.9 

    67         * @return void

    68         */

    69         IMPORT_C void Cancel();

    70 

    71     };

    72 

    73 #endif

    74             

    75 // End of File