1 /*

     2 * Copyright (c) 2007 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:  Location Centre Notification Active Object.

    15 *

    16 */

    17 

    18 

    19 // SYSTEM INCLUDES

    20 

    21 // USER INCLUDES

    22 #include "lcnotificationao.h"

    23 #include "lcnotification.h"

    24 #include "lcclientsession.h"

    25 

    26 // CONSTANT DEFINTIONS

    27 

    28 // ----- Member funtions for CLcNotificationAO ---------------------------------

    29 

    30 // ---------------------------------------------------------------------------

    31 // CLcNotificationAO::CLcNotificationAO

    32 // ---------------------------------------------------------------------------

    33 //

    34 CLcNotificationAO::CLcNotificationAO( MLcNotification&    aObserver,

    35                                       RLcClientSession&   aClientSession )

    36     :CActive( EPriorityStandard ),

    37     iObserver( aObserver ),

    38     iClientSession( aClientSession )

    39     {

    40     // C++ Default constructor. No allocations or functions which can Leave

    41     // should be called from here.

    42     CActiveScheduler::Add( this );

    43     }

    44          

    45 // ---------------------------------------------------------------------------

    46 // CLcNotificationAO::~CLcNotificationAO

    47 // ---------------------------------------------------------------------------

    48 //

    49 CLcNotificationAO::~CLcNotificationAO()

    50     {

    51     // C++ Destructor. Free all resources associated with this class.

    52     Cancel();

    53     }

    54         

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

    56 // CLcNotificationAO* CLcNotificationAO::NewL

    57 // ---------------------------------------------------------------------------

    58 //

    59 CLcNotificationAO* CLcNotificationAO::NewL( MLcNotification&    aObserver,

    60                                             RLcClientSession&   aClientSession )

    61     {

    62     CLcNotificationAO* self = new ( ELeave )CLcNotificationAO( aObserver,

    63                                                                aClientSession );

    64     return self;           

    65     }

    66 

    67 // ---------------------------------------------------------------------------

    68 // void CLcNotificationAO::IssueRequest

    69 // ---------------------------------------------------------------------------

    70 //

    71 void CLcNotificationAO::IssueRequest()

    72     {

    73     // The request is issued only if there is no outstanding request. If there

    74     // any request outstanding then don't do anything. Server the previous

    75     // request.

    76     if ( !IsActive())

    77         {

    78         // Location Centre Server is the ASP. Send a notification request to

    79         // the same.

    80         iClientSession.SendReceive( ERegisterObserver, iStatus );

    81         SetActive();

    82         }

    83     }

    84 

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

    86 // void CLcNotificationAO::CancelRequest

    87 // ---------------------------------------------------------------------------

    88 //

    89 void CLcNotificationAO::CancelRequest()

    90     {

    91     Cancel();

    92     }

    93         

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

    95 // void CLcNotificationAO::RunL

    96 // ---------------------------------------------------------------------------

    97 //

    98 void CLcNotificationAO::RunL()

    99     {

   100     // Communicate the Success/Failure of the Notification request to the

   101     // Location Centre Client.

   102     iObserver.LcStatusChangedL( iStatus.Int());

   103 

   104     // Issue the Observer request unless the server has been terminated.

   105     if ( iStatus.Int() != KErrServerTerminated )

   106         {

   107         IssueRequest();

   108         }

   109     }

   110 

   111 // ---------------------------------------------------------------------------

   112 // void CLcNotificationAO::DeCancel

   113 // ---------------------------------------------------------------------------

   114 //

   115 void CLcNotificationAO::DoCancel()

   116     {

   117     iClientSession.SendReceive( ERemoveObserver );

   118     }                     

   119             

   120 // End of File