1 /*

     2 * Copyright (c) 2010 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:  This is the client side internal file to handle

    15 *               cache update notifications sent by the server using

    16 *               Publish and Subscribe framework.

    17 *

    18 */

    19 

    20 #include <CPsRequestHandler.h>

    21 #include "CPsUpdateHandler.h"

    22 

    23 

    24 // -----------------------------------------------------------------------------

    25 // CPsUpdateHandler::CPsUpdateHandler

    26 // C++ constructor

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

    28 CPsUpdateHandler::CPsUpdateHandler( CPSRequestHandler& aRequestHandler, TInt aPsKey ) :

    29     CActive( EPriorityStandard ),

    30     iRequestHandler( aRequestHandler ),

    31     iPsKey( aPsKey )

    32     {

    33     CActiveScheduler::Add( this );

    34     }

    35 

    36 // -----------------------------------------------------------------------------

    37 // CPsUpdateHandler::NewLC

    38 // Two-phased constructor

    39 // -----------------------------------------------------------------------------

    40 CPsUpdateHandler* CPsUpdateHandler::NewLC( CPSRequestHandler& aRequestHandler, TInt aPsKey )

    41     {

    42     CPsUpdateHandler* self = new (ELeave) CPsUpdateHandler( aRequestHandler, aPsKey );

    43     CleanupStack::PushL( self );

    44     self->ConstructL();

    45     return self;

    46     }

    47 

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

    49 // CPsUpdateHandler::NewL

    50 // Two-phased constructor

    51 // -----------------------------------------------------------------------------

    52 CPsUpdateHandler* CPsUpdateHandler::NewL( CPSRequestHandler& aRequestHandler, TInt aPsKey )

    53     {

    54     CPsUpdateHandler* self = CPsUpdateHandler::NewLC( aRequestHandler, aPsKey );

    55     CleanupStack::Pop( self );

    56     return self;

    57     }

    58 

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

    60 // CPsUpdateHandler::ConstructL

    61 // Second phase constructor

    62 // -----------------------------------------------------------------------------

    63 void CPsUpdateHandler::ConstructL()

    64     {

    65     TInt err = iProperty.Attach( KPcsInternalUidCacheStatus, iPsKey );

    66     User::LeaveIfError(err);

    67     

    68     iProperty.Subscribe(iStatus);

    69     SetActive();

    70     }

    71 

    72 // -----------------------------------------------------------------------------

    73 // CPsUpdateHandler::~CPsUpdateHandler

    74 // Destructor

    75 // -----------------------------------------------------------------------------

    76 CPsUpdateHandler::~CPsUpdateHandler()

    77     {

    78     Cancel();

    79     iProperty.Close();

    80     }

    81 

    82 // -----------------------------------------------------------------------------

    83 // CPsUpdateHandler::DoCancel

    84 // Cancel subscription to the property

    85 // -----------------------------------------------------------------------------

    86 void CPsUpdateHandler::DoCancel()

    87     {

    88     iProperty.Cancel();

    89     }

    90 

    91 // -----------------------------------------------------------------------------

    92 // CPsUpdateHandler::RunL

    93 // Handle change in the subscribed property

    94 // -----------------------------------------------------------------------------

    95 void CPsUpdateHandler::RunL()

    96     {

    97     iProperty.Subscribe(iStatus);

    98     SetActive();

    99     

   100     // Notify all observers about the update

   101     switch ( iPsKey )

   102         {

   103         case EPsKeyContactRemovedCounter:

   104             iRequestHandler.NotifyCachingStatus( ECacheUpdateContactRemoved, 0 );

   105             break;

   106         case EPsKeyContactModifiedCounter:

   107             iRequestHandler.NotifyCachingStatus( ECacheUpdateContactModified, 0 );

   108             break;

   109         case EPsKeyContactAddedCounter:

   110             iRequestHandler.NotifyCachingStatus( ECacheUpdateContactAdded, 0 );

   111             break;

   112         default:

   113             break;

   114         }

   115     }

   116 

   117 // end of file