1 /*

     2 * Copyright (c) 2006 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:  Watches for the integer P&S property and notifies the observer

    15 *                about the changes

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef INTPROPERTYWATCHER_H

    22 #define INTPROPERTYWATCHER_H

    23 

    24 #include <e32property.h>

    25 #include <e32base.h>

    26 

    27 /**

    28  * Interface for those who want to be notified about the property change

    29  */

    30 class MIntChangeNotifiable

    31     {

    32     public:

    33         virtual void IntValueChanged(TInt aNewValue) = 0;

    34     };

    35 

    36 /**

    37  * After the creation watches for the given Publish & Subscribe property

    38  * changes and notifies the observer about the changes

    39  */

    40 class CIntPropertyWatcher : public CActive

    41     {

    42     public:

    43         static CIntPropertyWatcher* NewL( const TUid aCategory, TUint aKey, 

    44                                         MIntChangeNotifiable& aObserver );

    45         

    46         virtual ~CIntPropertyWatcher();

    47     

    48     private:

    49     

    50         CIntPropertyWatcher( MIntChangeNotifiable& aObserver );

    51         

    52         void ConstructL( const TUid aCategory, TUint aKey );

    53         

    54         void RunL();

    55         

    56         void DoCancel();

    57         

    58     private:

    59     

    60         RProperty iProperty;

    61         

    62         MIntChangeNotifiable& iObserver;

    63         

    64     };

    65 

    66     

    67 #endif // INPROPERTYWATCHER_H