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: Observer for IMPS property.

    15 *

    16 *

    17 */

    18 

    19 

    20 // INCLUDE FILES

    21 #include    <centralrepository.h>

    22 #include    "impspropertyobserver.h"

    23 #include    "impsutils.h"

    24 

    25 // ================= MEMBER FUNCTIONS =======================

    26 

    27 // ---------------------------------------------------------

    28 // CImpsPropertyObserver::NewL

    29 // ---------------------------------------------------------

    30 //

    31 CImpsPropertyObserver* CImpsPropertyObserver::NewL( MImpsPropertyObserver& aObserver,

    32                                                     TUid aCategory,

    33                                                     TUint32 aKey )

    34     {

    35     CImpsPropertyObserver* self = new ( ELeave ) CImpsPropertyObserver( aObserver,

    36                                                                         aCategory, aKey );

    37     CleanupStack::PushL( self );

    38     self->ConstructL();

    39     CleanupStack::Pop();

    40 #ifndef _NO_IMPS_LOGGING_

    41     CImpsClientLogger::Log( _L( "CImpsPropertyObserver Constructor " ) );

    42 #endif

    43     return self;

    44     }

    45 

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

    47 // CImpsPropertyObserver::~CImpsPropertyObserver

    48 // ---------------------------------------------------------

    49 //

    50 CImpsPropertyObserver::~CImpsPropertyObserver()

    51     {

    52 #ifndef _NO_IMPS_LOGGING_

    53     CImpsClientLogger::Log( _L( "CImpsPropertyObserver Destructor " ) );

    54 #endif

    55     Cancel();

    56     delete iRep;

    57     }

    58 

    59 // ---------------------------------------------------------

    60 // CImpsPropertyObserver::CImpsPropertyObserver

    61 // ---------------------------------------------------------

    62 //

    63 CImpsPropertyObserver::CImpsPropertyObserver( MImpsPropertyObserver& aObserver,

    64                                               TUid aCategory,

    65                                               TUint32 aKey )

    66         : CActive( CActive::EPriorityStandard ),

    67         iObserver( aObserver ),

    68         iCategory( aCategory ),

    69         iKey( aKey )

    70     {

    71     CActiveScheduler::Add( this );

    72     }

    73 

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

    75 // CImpsPropertyObserver::ConstructL

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

    77 //

    78 void CImpsPropertyObserver::ConstructL( )

    79     {

    80     iRep = CRepository::NewL( iCategory );

    81     iStatus = KRequestPending;

    82     iRep->NotifyRequest( iKey, iStatus );

    83     SetActive( );

    84     }

    85 

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

    87 // CImpsPropertyObserver::RunL

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

    89 //

    90 void CImpsPropertyObserver::RunL()

    91     {

    92 #ifndef _NO_IMPS_LOGGING_

    93     CImpsClientLogger::Log( _L( "CImpsPropertyObserver RunL" ) );

    94 #endif

    95     TInt newValue( 0 );

    96     iRep->Get( iKey, newValue );

    97     iObserver.HandlePropertyChangeL( newValue );

    98     iStatus = KRequestPending;

    99     iRep->NotifyRequest( iKey, iStatus );

   100     SetActive( );

   101     }

   102 

   103 // ---------------------------------------------------------

   104 // CImpsPropertyObserver::RunError

   105 // ---------------------------------------------------------

   106 //

   107 TInt CImpsPropertyObserver::RunError( TInt /*aError*/ )

   108     {

   109 #ifndef _NO_IMPS_LOGGING_

   110     CImpsClientLogger::Log( _L( "CImpsPropertyObserver RunError ***" ) );

   111 #endif

   112     // iObserver.HandlePropertyChangeL cannot actually leave now, so

   113     // this is not needed:

   114     /*

   115     iStatus = KRequestPending;

   116     iRep->NotifyRequest( iKey, iStatus );

   117     SetActive( );

   118     */

   119     return KErrNone;

   120     }

   121 

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

   123 // CImpsPropertyObserver::DoCancel

   124 // ---------------------------------------------------------

   125 //

   126 void CImpsPropertyObserver::DoCancel()

   127     {

   128     /*

   129     Central Repository Design Document:

   130     It is possible to cancel a notification by supplying the exact

   131     same arguments used to set up the notification to the relevant

   132     NotifyCancel API. In this situation the TRequestStatus will no

   133     be set to KErrCancel but to KInvalidNotificationId.

   134     */

   135     iRep->NotifyCancelAll();

   136     }

   137 

   138 //  End of File

   139 

   140 

   141