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:  Observers changes in proverty values

    15 *

    16 */

    17 

    18 

    19 #ifndef M_SVPPROPERTYWATCHOBSERVER_H

    20 #define M_SVPPROPERTYWATCHOBSERVER_H

    21 

    22 /**

    23  *  Observer interface for clients being interested in getting notifications

    24  *  when Publish&Subscribe property under watching changes.

    25  *

    26  *  @lib svp.dll

    27  *  @since S60 3.2

    28  */

    29 class MSVPPropertyWatchObserver

    30     {

    31 

    32 public:

    33 

    34     /**

    35      * MSVPPropertyWatch calls this when some property under watching was

    36      * changed. 

    37      *

    38      * @since S60 3.2

    39      * @param aKey Property which was changed

    40      * @param aValue New value of the property

    41      */

    42      virtual void ValueChangedL( TInt aKey, TInt aValue ) = 0;

    43     

    44     /**

    45      * MccPropertyWatch calls this when property was deleted.

    46      *

    47      * @since S60 3.2

    48      * @param aKey Property which was deleted

    49      */

    50      virtual void PropertyDeleted( TInt aKey ) = 0;

    51 

    52     };

    53 

    54 #endif // M_SVPPROPERTYWATCHOBSERVER_H