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: Shutdown Observer

    15 *

    16 */

    17 

    18 #include <e32base.h>

    19 

    20 #include "wdshutdownobserver.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 // CWDShutdownObserver::NewL()

    33 // ---------------------------------------------------------------------------

    34 //

    35 CWDShutdownObserver* CWDShutdownObserver::NewL( MWDShutdownObserver& aObserver/*, const TUid& aKeyCategory */)

    36     { 

    37     CWDShutdownObserver* self = new( ELeave )CWDShutdownObserver( aObserver/*, aKeyCategory */);

    38     CleanupStack::PushL( self );

    39     self->ConstructL();

    40     CleanupStack::Pop( self );

    41     return self;

    42     }

    43 

    44 // ---------------------------------------------------------------------------

    45 // CWDShutdownObserver::CWDShutdownObserver()

    46 // ---------------------------------------------------------------------------

    47 //

    48 CWDShutdownObserver::CWDShutdownObserver( MWDShutdownObserver& aObserver/*, const TUid& aKeyCategory */)

    49     : CActive( CActive::EPriorityStandard ), iObserver( aObserver )/*, iKeyCategory( aKeyCategory )*/

    50     {       

    51     }

    52 

    53 // ---------------------------------------------------------------------------

    54 // CWDShutdownObserver::ConstructL()

    55 // ---------------------------------------------------------------------------

    56 //

    57 void CWDShutdownObserver::ConstructL()

    58     {

    59     PRINT(_L("CWDShutdownObserver::ConstructL()"));

    60     

    61     // attach to the property    

    62     User::LeaveIfError( iProperty.Attach(KHarvesterPSShutdown,KShutdown,EOwnerThread) );

    63     

    64     CActiveScheduler::Add( this );

    65     

    66     // wait for the previously attached property to be updated

    67     iProperty.Subscribe(iStatus);        

    68     

    69     SetActive();

    70     

    71     PRINT(_L("CWDShutdownObserver::ConstructL() end"));

    72     }

    73 

    74 // ---------------------------------------------------------------------------

    75 // CWDShutdownObserver::~CWDShutdownObserver()

    76 // ---------------------------------------------------------------------------

    77 //

    78 CWDShutdownObserver::~CWDShutdownObserver()

    79     {

    80     PRINT(_L("CWDShutdownObserver::~CWDShutdownObserver()"));

    81     Cancel();

    82     iProperty.Close();

    83     PRINT(_L("CWDShutdownObserver::~CWDShutdownObserver() end"));

    84     }

    85 

    86 // ---------------------------------------------------------------------------

    87 // CWDShutdownObserver::RunL()

    88 // ---------------------------------------------------------------------------

    89 //

    90 void CWDShutdownObserver::RunL()

    91     {

    92     

    93     PRINT(_L("CWDShutdownObserver::RunL()"));

    94     

    95     // resubscribe before processing new value to prevent missing updates

    96     iProperty.Subscribe(iStatus);

    97     SetActive();

    98     

    99     // retrieve the Uid of the package going to be updated

   100     TInt value = 0;

   101     const TInt err = iProperty.Get(value);

   102     User::LeaveIfError(err);

   103 

   104     // observer callback

   105     if (value)

   106         {

   107         iObserver.ShutdownNotification();

   108         }

   109     else

   110         {

   111         iObserver.RestartNotification();

   112         }

   113     }

   114 

   115 TInt CWDShutdownObserver::RunError( TInt /*aError*/ )

   116     {

   117     return KErrNone;

   118     }

   119 

   120 // ---------------------------------------------------------------------------

   121 // CWDShutdownObserver::DoCancel()

   122 // ---------------------------------------------------------------------------

   123 //

   124 void CWDShutdownObserver::DoCancel()

   125     {

   126     iProperty.Cancel();

   127     }

   128 

   129 // End of file