metadataengine/server/src/mdsshutdownobserver.cpp
changeset 0 c53acadfccc6
child 8 6752808b2036
equal deleted inserted replaced
-1:000000000000 0:c53acadfccc6
       
     1 /*
       
     2 * Copyright (c) 2009 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:  
       
    15 *
       
    16 */
       
    17 
       
    18 #include <e32base.h>
       
    19 
       
    20 #include "mdsshutdownobserver.h"
       
    21 #include "mdscommoninternal.h"
       
    22 
       
    23 // Print macro
       
    24 #ifdef _DEBUG
       
    25 #include <e32svr.h>
       
    26 #define PRINT(x) RDebug::Print x
       
    27 #else
       
    28 #define PRINT(x)
       
    29 #endif
       
    30 
       
    31 // ---------------------------------------------------------------------------
       
    32 // CMDSShutdownObserver::NewL()
       
    33 // ---------------------------------------------------------------------------
       
    34 //
       
    35 CMDSShutdownObserver* CMDSShutdownObserver::NewL( MMDSShutdownObserver& aObserver/*, const TUid& aKeyCategory */)
       
    36     { 
       
    37     CMDSShutdownObserver* self = new( ELeave )CMDSShutdownObserver( aObserver/*, aKeyCategory */);
       
    38     CleanupStack::PushL( self );
       
    39     self->ConstructL();
       
    40     CleanupStack::Pop( self );
       
    41     return self;
       
    42     }
       
    43 
       
    44 // ---------------------------------------------------------------------------
       
    45 // CMDSShutdownObserver::CMDSShutdownObserver()
       
    46 // ---------------------------------------------------------------------------
       
    47 //
       
    48 CMDSShutdownObserver::CMDSShutdownObserver( MMDSShutdownObserver& aObserver/*, const TUid& aKeyCategory */)
       
    49     : CActive( CActive::EPriorityUserInput ), iObserver( aObserver ), iValue( KErrNone )/*, iKeyCategory( aKeyCategory )*/
       
    50     {       
       
    51     }
       
    52 
       
    53 // ---------------------------------------------------------------------------
       
    54 // CMDSShutdownObserver::ConstructL()
       
    55 // ---------------------------------------------------------------------------
       
    56 //
       
    57 void CMDSShutdownObserver::ConstructL()
       
    58     {
       
    59 #ifdef _DEBUG
       
    60     PRINT(_L("CMDSShutdownObserver::ConstructL()"));
       
    61 #endif
       
    62     
       
    63     // attach to the property    
       
    64     User::LeaveIfError( iProperty.Attach(KMdSPSShutdown,KShutdown,EOwnerThread) );
       
    65     
       
    66     CActiveScheduler::Add( this );
       
    67     
       
    68     // wait for the previously attached property to be updated
       
    69     iProperty.Subscribe(iStatus);        
       
    70     
       
    71     SetActive();
       
    72 
       
    73 #ifdef _DEBUG
       
    74     PRINT(_L("CMDSShutdownObserver::ConstructL() end"));
       
    75 #endif
       
    76     }
       
    77 
       
    78 // ---------------------------------------------------------------------------
       
    79 // CMDSShutdownObserver::~CMDSShutdownObserver()
       
    80 // ---------------------------------------------------------------------------
       
    81 //
       
    82 CMDSShutdownObserver::~CMDSShutdownObserver()
       
    83     {
       
    84 #ifdef _DEBUG
       
    85     PRINT(_L("CMDSShutdownObserver::~CMDSShutdownObserver()"));
       
    86 #endif
       
    87     Cancel();
       
    88     iProperty.Close();
       
    89 #ifdef _DEBUG
       
    90     PRINT(_L("CMDSShutdownObserver::~CMDSShutdownObserver() end"));
       
    91 #endif
       
    92     }
       
    93 
       
    94 // ---------------------------------------------------------------------------
       
    95 // CMDSShutdownObserver::RunL()
       
    96 // ---------------------------------------------------------------------------
       
    97 //
       
    98 void CMDSShutdownObserver::RunL()
       
    99     {
       
   100     // resubscribe before processing new value to prevent missing updates
       
   101     iProperty.Subscribe(iStatus);
       
   102     SetActive();
       
   103     
       
   104     // retrieve the Uid of the package going to be updated
       
   105     TInt value = 0;
       
   106     const TInt err = iProperty.Get(value);
       
   107     User::LeaveIfError(err);
       
   108 
       
   109 	iValue = value;
       
   110 
       
   111     // observer callback
       
   112     if (value)
       
   113         {
       
   114         iObserver.ShutdownNotification();
       
   115         }
       
   116     else
       
   117         {
       
   118         iObserver.RestartNotification();
       
   119         }
       
   120     }
       
   121 
       
   122 TInt CMDSShutdownObserver::RunError( TInt /*aError*/ )
       
   123     {
       
   124     return KErrNone;
       
   125     }
       
   126 
       
   127 // ---------------------------------------------------------------------------
       
   128 // CMDSShutdownObserver::DoCancel()
       
   129 // ---------------------------------------------------------------------------
       
   130 //
       
   131 void CMDSShutdownObserver::DoCancel()
       
   132     {
       
   133     iProperty.Cancel();
       
   134     }
       
   135 
       
   136 
       
   137 // ---------------------------------------------------------------------------
       
   138 // CMDSShutdownObserver::UpdateInProgress()
       
   139 // ---------------------------------------------------------------------------
       
   140 //
       
   141 TBool CMDSShutdownObserver::UpdateInProgress()
       
   142     {
       
   143     return iValue > 0 ? ETrue : EFalse;
       
   144     }
       
   145 	
       
   146 // End of file