wim/WimServer/inc/WimSatRefreshObserver.h
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     1 /*
       
     2 * Copyright (c) 2005 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:  Observes 'SIM file changed' events from SAT. If changed file
       
    15 *               is WIM related, WimiLib's cache is cleared and WimiLib closed.
       
    16 *               Prevents WIM from operating with out-dated cache.
       
    17 *
       
    18 */
       
    19 
       
    20 
       
    21 #ifndef CWIMSATREFRESHOBSERVER_H
       
    22 #define CWIMSATREFRESHOBSERVER_H
       
    23 
       
    24 //  INCLUDES
       
    25 #include <e32base.h>
       
    26 #include <msatrefreshobserver.h>
       
    27 
       
    28 // FORWARD DECLARATIONS
       
    29 class RSatRefresh;
       
    30 class RSatSession;
       
    31 class CWimServer;
       
    32 
       
    33 #if defined SAT_REFRESH_TIMER_TRIGGER
       
    34 class CSatRefreshTimerTrigger;
       
    35 #endif
       
    36 
       
    37 // CLASS DECLARATION
       
    38 
       
    39 /**
       
    40 *  Notifies WimServer when SAT refresh notifications arrive.
       
    41 *
       
    42 *  @since 3.0
       
    43 */
       
    44 class CWimSatRefreshObserver : public CBase, public MSatRefreshObserver
       
    45     {
       
    46     public:  // Constructors and destructor
       
    47 
       
    48         /**
       
    49         * Two-phased constructor.
       
    50         */
       
    51         static CWimSatRefreshObserver* NewL();
       
    52 
       
    53         /**
       
    54         * Destructor.
       
    55         */
       
    56         ~CWimSatRefreshObserver();
       
    57 
       
    58     public: // Functions from base classes
       
    59 
       
    60 		/**
       
    61 		* From MSatRefreshObserver
       
    62 		* @param aType is not used, because we lose file path and thus have to
       
    63 		   react for every refresh request
       
    64 		* @param aFiles is not used, because we lose file path and thus have to
       
    65 		   react for every refresh request
       
    66 		* @return boolean whether we allow refresh or not
       
    67 		*/
       
    68         TBool AllowRefresh( TSatRefreshType /*aType*/,
       
    69                             const TSatRefreshFiles& /*aFiles*/ );
       
    70 
       
    71 		/**
       
    72 		* From MSatRefreshObserver.
       
    73 		* @param aType is not used, because we lose file path and thus have to
       
    74 		   react for every refresh request
       
    75 		* @param aFiles is not used, because we lose file path and thus have to
       
    76 		   react for every refresh request
       
    77 		* @return void
       
    78 		*/
       
    79 		void Refresh( TSatRefreshType /*aType*/, 
       
    80 		              const TSatRefreshFiles& /*aFiles*/ );
       
    81 
       
    82     private: // New functions
       
    83 
       
    84         /**
       
    85         * C++ default constructor.
       
    86         */
       
    87         CWimSatRefreshObserver();
       
    88 
       
    89         /**
       
    90         * By default Symbian 2nd phase constructor is private.
       
    91         */
       
    92         void ConstructL();
       
    93 
       
    94     private: // Data
       
    95 
       
    96         /// SAT refresh event client
       
    97 		RSatRefresh* iRefreshClient;
       
    98         /// SAT session object
       
    99 		RSatSession* iSatSession;
       
   100         /// Pointer to WimServer.
       
   101 		CWimServer* iWimSvr;
       
   102 #if defined SAT_REFRESH_TIMER_TRIGGER
       
   103 		/// Simulated Sat Event trigger
       
   104 		CSatRefreshTimerTrigger* iTimerTrigger;
       
   105 #endif
       
   106     };
       
   107 
       
   108 #endif      // CWIMSATREFRESHOBSERVER_H
       
   109 
       
   110 // End of File