1 /*

     2 * Copyright (c) 2008-2008 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:  Monitors for publish and subscribe property.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_PNSMONITOR_H

    20 #define C_PNSMONITOR_H

    21 

    22 #include <e32base.h>

    23 

    24 class MPNSMonitorObserver;

    25 

    26 /**

    27  *  publish and subscribe monitor class

    28  *

    29  *  @since S60 5.0

    30  */

    31 NONSHARABLE_CLASS( CPNSMonitor ) : public CActive

    32     {

    33 

    34 public:

    35 

    36     /**

    37     * Two-phased constructor

    38     */

    39     static CPNSMonitor* NewL( MPNSMonitorObserver& aObserver );

    40 

    41     /**

    42     * Virtual destructor

    43     */

    44     virtual ~CPNSMonitor();

    45 

    46     /**

    47     * Start monitoring a particular publish and subscribe property

    48     */

    49     void Start();

    50    

    51 protected:

    52         

    53     /**

    54     * From CActive

    55     */

    56     void RunL();

    57     

    58     /**

    59     * From CActive

    60     */

    61     void DoCancel();

    62 

    63     /**

    64     *  From CActive

    65     */

    66     TInt RunError( TInt aError );    

    67             

    68 private:

    69     

    70     /**

    71     * Private constructor

    72     */

    73     CPNSMonitor( MPNSMonitorObserver& aObserver );

    74 

    75     /**

    76     * 2nd phased constructor

    77     */

    78     void ConstructL();

    79 

    80 private: // data

    81     MPNSMonitorObserver& iObserver;

    82     RProperty iPropertyHandler;

    83     };

    84 

    85 #endif // C_PNSMONITOR_H