1 /*

     2 * Copyright (c) 2008, 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: 

    15 *

    16 */

    17 

    18 

    19 #include "WidgetUiNetworkListener.h"

    20 

    21 CWidgetUiNetworkListener* CWidgetUiNetworkListener::NewL(CWidgetUiWindowManager& aWindowManager)

    22     {

    23     CWidgetUiNetworkListener* self = new (ELeave) CWidgetUiNetworkListener(aWindowManager);

    24     return self;

    25     }

    26 

    27 CWidgetUiNetworkListener::CWidgetUiNetworkListener(CWidgetUiWindowManager& aWindowManager)

    28         : CActive(0), iWindowManager(aWindowManager)

    29     {

    30     CActiveScheduler::Add(this);

    31     StartListening();

    32     }

    33 

    34 CWidgetUiNetworkListener::~CWidgetUiNetworkListener()

    35     {

    36     Cancel();

    37     Close();

    38     }

    39 

    40 TInt CWidgetUiNetworkListener::StartListening()

    41     {

    42     TInt err = KErrNone;

    43     // If already listening do nothing

    44     if(!IsActive())

    45         {

    46         if((err = Connect()) == KErrNone)

    47             {

    48             // check if there is a current active connection

    49             if ( CheckActiveNetworkConnection() )

    50                 {

    51                 // notify widgets of an existing active network connection

    52                 iWindowManager.NotifyConnecionChange( ETrue );

    53                 }

    54             iConn.AllInterfaceNotification( iNote, iStatus );

    55             SetActive();

    56             }

    57         }

    58     return err;

    59     }

    60 

    61 TBool CWidgetUiNetworkListener::CheckActiveNetworkConnection()

    62     {

    63     TUint iNumConnections, netConnections;

    64     TPckgBuf<TConnectionInfoV2> connectionInfo;

    65     

    66     iConn.EnumerateConnections(iNumConnections);

    67     netConnections  = iNumConnections;

    68     for(TUint i = 1; i <= iNumConnections; i++)

    69         {

    70         iConn.GetConnectionInfo(i, connectionInfo);

    71         // dont count bluetooth connection

    72         if(connectionInfo().ConnectionType() >= EConnectionBTPAN)

    73             {

    74             netConnections--;

    75             }

    76         }

    77     

    78     if (netConnections > 0)

    79         {

    80         return ETrue;

    81         }

    82     

    83     return EFalse;

    84     }

    85 

    86 void CWidgetUiNetworkListener::RunL()

    87     {

    88     if ( iNote().iState == EInterfaceUp )

    89         { 

    90         // notify widgets of an active network connection

    91         iWindowManager.NotifyConnecionChange( ETrue );

    92         }

    93     else if ( iNote().iState == EInterfaceDown )

    94         {

    95         // check if there are no other active connections

    96         if ( !CheckActiveNetworkConnection() )

    97             {

    98             // notify widgets of a network connection going down

    99             iWindowManager.NotifyConnecionChange( EFalse );

   100             }

   101         }

   102          

   103     iConn.AllInterfaceNotification( iNote, iStatus );

   104     SetActive();

   105     }

   106 

   107 void CWidgetUiNetworkListener::DoCancel()

   108     {

   109     iConn.CancelAllInterfaceNotification();

   110     Close();

   111     }

   112 

   113 TInt CWidgetUiNetworkListener::Connect()

   114     {

   115     TInt err;

   116     

   117     if( ( err = iSocketServer.Connect() ) == KErrNone )

   118         {

   119         if( ( err = iConn.Open(iSocketServer, KAfInet) ) != KErrNone )

   120             {

   121             //failed, close server too

   122             iSocketServer.Close();

   123             }

   124         }

   125     

   126     return err;

   127     }

   128 

   129 void CWidgetUiNetworkListener::Close()

   130     {

   131     iConn.Close();               // destructor does these

   132     iSocketServer.Close();

   133     }