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 "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:  This file contains the header file of the CCbsBackupMonitor class

    15 *    

    16 *

    17 */

    18 

    19 

    20 #ifndef     CCBSBACKUPMONITOR_H

    21 #define     CCBSBACKUPMONITOR_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 #include <e32property.h>

    26 #include "CCbsDbImp.H"

    27 

    28 //  CLASS DECLARATION 

    29 

    30 /**

    31 *  The CCbsBackupMonitor instance listens to 

    32 *  shutdown signal via Publish and Subscribe. On device shutdown,

    33 *  the listener stops server operation by stopping the active scheduler.

    34 *  CbsServer will then be terminated. 

    35 */

    36 class CCbsBackupMonitor : public CActive

    37     {

    38     public:     // New functions

    39 

    40         /**

    41         *   Creates an instance of the class.

    42         *

    43         *   @param  aServer     Server reference

    44         *   @return             A new instance of CCbsBackupMonitor

    45         */

    46         static CCbsBackupMonitor* NewL( CCbsDbImp& aDbImp );

    47 

    48         /**

    49         *   Destructor.

    50         */

    51         ~CCbsBackupMonitor();

    52 

    53         /** 

    54         *   Reissues the Subscribe request.

    55         */

    56         void IssueRequest();

    57 

    58     private:    // From CActive

    59 

    60         /**

    61         *   Gets called when the system state changes.

    62         */

    63         void RunL();

    64 

    65         /**

    66         *   Cancels an outstanding Subscribe request.

    67         */

    68         void DoCancel();

    69 

    70     private:

    71 

    72         /**

    73         *   The constructor.

    74         *

    75         */

    76         CCbsBackupMonitor( CCbsDbImp& aDbImp );

    77 

    78         /**

    79         *   Finalizes the construction.

    80         */

    81         void ConstructL();

    82       

    83     private:    // Data

    84         

    85         // PubSub connection

    86         RProperty iProperty;

    87         

    88         // DB reference

    89         CCbsDbImp& iDbImp;

    90     };

    91 

    92 #endif      //  CCBSBACKUPMONITOR_H   

    93             

    94 // End of File

    95 

    96