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 CCbsDiskSpaceMonitor class

    15 *    

    16 *

    17 */

    18 

    19 

    20 #ifndef     CCBSDISKSPACEMONITOR_H

    21 #define     CCBSDISKSPACEMONITOR_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class CCbsDbImp;

    28 

    29 //  CLASS DECLARATION 

    30 

    31 /**

    32 *  The CCbsDiskSpaceMonitor instance listens to 

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

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

    35 *  CbsServer will then be terminated. 

    36 */

    37 class CCbsDiskSpaceMonitor : public CActive

    38     {

    39     public:     // New functions

    40 

    41         /**

    42         *   Creates an instance of the class.

    43         *

    44         *   @param  aDbImp      DB reference

    45         *   @return             A new instance of CCbsDiskSpaceMonitor

    46         */

    47         static CCbsDiskSpaceMonitor* NewL( CCbsDbImp& aDbImp );

    48 

    49         /**

    50         *   Destructor.

    51         */

    52         ~CCbsDiskSpaceMonitor();

    53 

    54         /** 

    55         *   Reissues the Subscribe request.

    56         */

    57         void IssueRequest();

    58 

    59     private:    // From CActive

    60 

    61         /**

    62         *   Gets called when the system state changes.

    63         */

    64         void RunL();

    65 

    66         /**

    67         *   Cancels an outstanding Subscribe request.

    68         */

    69         void DoCancel();

    70 

    71     private:

    72 

    73         /**

    74         *   The constructor.

    75         *

    76         */

    77         CCbsDiskSpaceMonitor( CCbsDbImp& aServer );

    78 

    79         /**

    80         *   Finalizes the construction.

    81         */

    82         void ConstructL();

    83       

    84     private:    // Data

    85         

    86         // PubSub connection

    87         RProperty iProperty;

    88         

    89         // DB reference

    90         CCbsDbImp& iDbImp;

    91     };

    92 

    93 #endif      //  CCBSSHUTDOWNMONITOR_H   

    94             

    95 // End of File

    96 

    97