1 /*

     2 * Copyright (c) 2002-2009 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 the License "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:  Class to receive asynchronous notifications from WLAN drivers

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <e32def.h>

    21 #include <e32std.h>

    22 #include "wlannotificationhandler.h"

    23 #include "RWlanLogicalChannel.h"

    24 #include "am_debug.h"

    25 

    26 // ================= MEMBER FUNCTIONS =======================

    27 

    28 // C++ default constructor can NOT contain any code, that

    29 // might leave.

    30 //

    31 CWlanNotificationHandler::CWlanNotificationHandler(

    32     RWlanLogicalChannel& aChannel,

    33     MWlanNotificationCallback& aClient ):

    34     CActive( CActive::EPriorityStandard ),

    35     iChannel( aChannel ),

    36     iClient( aClient )

    37     {

    38     DEBUG( "CWlanNotificationHandler::CWlanNotificationHandler()" );

    39     };

    40 

    41 // Destructor

    42 CWlanNotificationHandler::~CWlanNotificationHandler()

    43     {

    44     DEBUG( "CWlanNotificationHandler::~CWlanNotificationHandler()" );

    45     Cancel();

    46     };

    47 

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

    49 // CWlanNotificationHandler::NewL

    50 // ---------------------------------------------------------

    51 //

    52 CWlanNotificationHandler* CWlanNotificationHandler::NewL(

    53     RWlanLogicalChannel& aChannel,

    54     MWlanNotificationCallback& aClient )

    55     {

    56     DEBUG( "CWlanNotificationHandler::NewL()" );

    57     CWlanNotificationHandler* self = new(ELeave) CWlanNotificationHandler( aChannel, aClient );

    58     CleanupStack::PushL( self );

    59     self->ConstructL();

    60     CleanupStack::Pop( self );

    61     return self;

    62     }

    63 

    64 // ---------------------------------------------------------

    65 // CWlanNotificationHandler::ConstructL

    66 // ---------------------------------------------------------

    67 //

    68 void CWlanNotificationHandler::ConstructL()

    69     {

    70     DEBUG( "CWlanNotificationHandler::ConstructL()" );

    71 

    72     CActiveScheduler::Add( this );    

    73     }

    74 

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

    76 // CWlanNotificationHandler::DoCancel

    77 // Cancel is called by the framework when Cancel() is called.

    78 // Pending indication is cancelled from the device driver.

    79 // ---------------------------------------------------------

    80 //

    81 void CWlanNotificationHandler::DoCancel()

    82     {

    83     DEBUG( "CWlanNotificationHandler::DoCancel() " );

    84     iChannel.CancelRequestSignal();

    85     }

    86 

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

    88 // CWlanNotificationHandler::RunL

    89 // This is called when active object has received an

    90 // indication.

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

    92 //

    93 void CWlanNotificationHandler::RunL()

    94     {

    95     DEBUG( "CWlanNotificationHandler::RunL()" );

    96     iClient.OnNotify( iIndication );

    97     IssueRequest();

    98     }

    99 

   100 // ---------------------------------------------------------

   101 // CWlanNotificationHandler::Start

   102 // ---------------------------------------------------------

   103 //

   104 TInt CWlanNotificationHandler::Start()

   105     {

   106     DEBUG( "CWlanNotificationHandler::Start()" );

   107     IssueRequest();

   108     return KErrNone;

   109     }

   110 

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

   112 // CWlanNotificationHandler::Stop

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

   114 //

   115 void CWlanNotificationHandler::Stop()

   116     {

   117     DEBUG( "CWlanNotificationHandler::Stop()" );

   118     Cancel();

   119     }    

   120 

   121 // ---------------------------------------------------------

   122 // CWlanNotificationHandler::IssueRequest

   123 // Registers pending indication buffer to the device driver.

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

   125 //

   126 void CWlanNotificationHandler::IssueRequest()

   127     {

   128     DEBUG( "CWlanNotificationHandler::IssueRequest()" );

   129     iChannel.RequestSignal( iStatus, iIndication );

   130     SetActive();

   131     }

   132 

   133 // End of file