1 /*

     2 * Copyright (c) 1020 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: shutdown monitor.

    15 */

    16 

    17 

    18 #ifndef __HS_SHUTDOWN_MONITOR__

    19 #define __HS_SHUTDOWN_MONITOR__

    20 

    21 #include <e32base.h>

    22 #include <ssm/ssmstateawaresession.h>

    23 

    24 class t_hsapplicationlauncher;

    25 

    26 /**

    27  * MHsShutdownMonitorObserver

    28  * 

    29  * Monitor component observer.

    30  * 

    31  * @since S60 5.2

    32  */

    33 class MHsShutdownMonitorObserver

    34     {    

    35     public:

    36         /**

    37          * Called when shutdown occurs 

    38          */

    39         virtual void SystemShutdownEvent() = 0;

    40     };

    41 

    42 /**

    43  * HsShutdownMonitor

    44  * 

    45  * Component for monitoring shutdown

    46  * 

    47  * @since S60 5.2

    48  */  

    49 class CHsShutdownMonitor : public CActive

    50     {

    51     public:

    52         /**

    53          * Create new monitor

    54          * 

    55          * @param aObserver monitor observer

    56          * @since S60 5.2     

    57          */    

    58         static CHsShutdownMonitor* NewL(

    59                 MHsShutdownMonitorObserver& aObserver );   

    60         

    61         /**

    62          * Destructor

    63          * 

    64          * @since S60 5.2     

    65          */    

    66         ~CHsShutdownMonitor();

    67     

    68         /**

    69          * Start monitor

    70          * 

    71          * @since S60 5.2

    72          */        

    73         void StartMonitor();        

    74 

    75     protected:

    76         /** 

    77          * C++ constructor

    78          *

    79          * @param aObserver     monitor observer.   

    80          * @since S60 5.2      

    81          */        

    82         CHsShutdownMonitor( MHsShutdownMonitorObserver& aObserver );    

    83 

    84         /**

    85          * Symbian 2nd phase constructor

    86          * 

    87          * @since S60 5.2

    88          */        

    89         void ConstructL();

    90 

    91     private: // From CActive

    92         /**

    93          * From CActive

    94          */        

    95         void RunL();

    96 

    97         /**

    98          * From CActive

    99          * 

   100          * @since S60 5.2

   101          */        

   102         void DoCancel(); 

   103 

   104         /**

   105          * From CActive

   106          * 

   107          * @since S60 5.2

   108          */        

   109         TInt RunError( TInt aError );

   110 

   111     private:	

   112         // watchdog observer

   113         MHsShutdownMonitorObserver& iObserver;

   114 

   115         // State aware session.

   116         RSsmStateAwareSession iSAS;

   117 

   118         friend class t_hsapplicationlauncher;

   119     };

   120 

   121 #endif // __HS_PROCESS_MONITOR__