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: 

    15 *

    16 */

    17 

    18 // INCLUDE FILES

    19 #include <e32std.h>                      

    20 

    21 #include "trksrvclisession.h"

    22 #include "trkconnstatelistener.h" 

    23                    

    24 // LOCAL FUNCTION PROTOTYPES

    25 

    26 // LOCAL CONSTANTS

    27 

    28 //

    29 // CTrkConnStateListener::CTrkConnStateListener

    30 // Constructor

    31 //

    32 CTrkConnStateListener::CTrkConnStateListener (RTrkSrvCliSession& aTrkSrvSession, MTrkServerEventCallback *aTrkServerEventCallback) 

    33               :CTrkServerEventListener(aTrkSrvSession, aTrkServerEventCallback, CActive::EPriorityStandard), iConnMsg(KNullDesC), iConnState(iConnStatus)

    34 {

    35     iConnStatus = ETrkNotConnected;

    36     iTrkSrvSession.GetDebugConnStatus(iConnStatus, iConnMsg);

    37     CActiveScheduler::Add( this ); 

    38 }

    39 

    40 //

    41 // CTrkConnStateListener::~CTrkConnStateListener

    42 // Destructor

    43 //

    44 CTrkConnStateListener::~CTrkConnStateListener()

    45 {

    46     Cancel();   // Ensure that any outstanding requests are cancelled

    47     Deque();

    48 }

    49 

    50 //

    51 // CTrkConnStateListener::ListenL

    52 // Starts listening for usb connection status notifications..

    53 //

    54 void CTrkConnStateListener::ListenL()

    55 {       

    56     IssueRequestL();        

    57 }

    58 

    59 

    60 

    61 //

    62 // CTrkConnStateListener::StopListening

    63 // Cancel any pending requests for connection status notifications.

    64 //

    65 void CTrkConnStateListener::StopListening()

    66 {

    67     Cancel();   

    68 }

    69 

    70 //

    71 // CTrkConnStateListener::IssueRequestL

    72 //

    73 TBool CTrkConnStateListener::IsConnected()

    74 {       

    75    iTrkSrvSession.GetDebugConnStatus(iConnStatus, iConnMsg);

    76    return (iConnStatus==ETrkConnected);

    77 }

    78 

    79 //

    80 // CTrkConnStateListener::IssueRequestL

    81 //

    82 void CTrkConnStateListener::IssueRequestL()

    83 {       

    84     if (IsActive()) //already listening, just return...

    85         return;

    86     iTrkSrvSession.DebugConnStatusNotify(iConnState, iConnMsg, iStatus);

    87     

    88     SetActive();    

    89 }

    90 

    91 //

    92 // CTrkConnStateListener::DoCancel

    93 // This method gets called from CActive::Cancel();

    94 //

    95 void CTrkConnStateListener::DoCancel()

    96 {

    97     iTrkSrvSession.DebugConnStatusNotifyCancel();   

    98 }

    99 

   100 //

   101 // CTrkConnStateListener::RunL

   102 // This method gets called whenever there is a change in the connection status.

   103 //

   104 void CTrkConnStateListener::RunL()

   105 {

   106     User::LeaveIfError( iStatus.Int() );

   107     if (iTrkServerEventCallback)

   108         iTrkServerEventCallback->ConnectionStateChanged(iConnStatus);

   109     

   110     IssueRequestL();

   111 }