1 /*

     2 * Copyright (c) 2002-2005 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:  Observes when key values are changed

    15 *

    16 */

    17 

    18 

    19 #ifndef MCANOTIFIERKEYOBSERVER_H

    20 #define MCANOTIFIERKEYOBSERVER_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include <bldvariant.hrh>

    25 

    26 class TUpdatedKey

    27     {

    28     public:

    29         TUpdatedKey() {};

    30     public:

    31         TUid    iUid;

    32         TUint32 iKey;

    33         TInt    iValue;

    34     };

    35 

    36 /**

    37 *  Notifier inteface for Pub&Sub or shared data key changes

    38 *  (depends on which system is used in the platform)

    39 *

    40 *  @since Series 60 2.6

    41 */

    42 class MCANotifierKeyObserver

    43     {

    44     public: // New functions

    45 

    46         /**

    47         * This function is called when a PS or shared data key value is changed

    48         * @param aUpdatedValues

    49         */

    50         virtual void HandleKeyChange( TUpdatedKey& aUpdatedValues ) = 0;

    51 

    52     protected: // Destructor

    53         virtual ~MCANotifierKeyObserver() {};

    54     };

    55 #endif      // MCANOTIFIERKEYOBSERVER_H 

    56 

    57 // End of File

    58