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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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    40 ****************************************************************************/

    41 

    42 #include <QObject>

    43 #include <QTimer>

    44 

    45 #include <wlanmgmtclient.h>

    46 #include <wlanmgmtinterface.h>

    47 #include <wlanmgmtcommon.h>

    48 #include "wlaninfo_s60.h"

    49 

    50 const int KWlanInfoSignalStrengthMax = 60;

    51 const int KWlanInfoSignalStrengthMin = 100;

    52 

    53 CWlanInfo::CWlanInfo(QObject *parent) : QObject(parent)

    54     , m_wlanStatus(false)

    55     , m_wlanSsid()

    56     , m_wlanSignalStrength(-1)

    57 {

    58 #ifndef __WINSCW__    

    59     TRAP_IGNORE(

    60         m_wlanMgmtClient = CWlanMgmtClient::NewL();

    61         m_wlanMgmtClient->ActivateNotificationsL(*this);

    62     )

    63 

    64     m_timer = new QTimer(this);

    65     connect(m_timer, SIGNAL(timeout()), this, SLOT(checkWlanInfo()));

    66     m_timer->setInterval(1000);

    67     m_timer->start();

    68 #endif    

    69 }

    70 

    71 CWlanInfo::~CWlanInfo()

    72 {

    73     m_wlanMgmtClient->CancelNotifications();

    74     delete m_wlanMgmtClient;

    75 }

    76 

    77 QString CWlanInfo::wlanNetworkName() const

    78 {

    79     return m_wlanSsid;

    80 }

    81 

    82 int CWlanInfo::wlanNetworkSignalStrength() const

    83 {

    84     return m_wlanSignalStrength;

    85 }

    86 

    87 bool CWlanInfo::wlanNetworkConnectionStatus() const

    88 {

    89     return m_wlanStatus;

    90 }

    91 

    92 void CWlanInfo::checkWlanInfo()

    93 {

    94 #ifndef __WINSCW__    

    95     TWlanConnectionMode connectionMode;

    96     TInt err = m_wlanMgmtClient->GetConnectionMode(connectionMode);

    97     if (err == KErrNone && connectionMode != EWlanConnectionModeNotConnected) {

    98         m_wlanStatus = true;

    99         emit wlanNetworkStatusChanged();

   100     } else {

   101         stopPolling();

   102         return;

   103     }

   104 

   105     TWlanSsid ssid;

   106     err = m_wlanMgmtClient->GetConnectionSsid(ssid);

   107     ssid.ZeroTerminate();

   108     if (err == KErrNone && m_wlanSsid != (char*)ssid.Ptr()) {

   109         m_wlanSsid = (char*)ssid.Ptr();

   110         emit wlanNetworkNameChanged();

   111     }

   112 

   113     TInt32 signalQuality;

   114     err = m_wlanMgmtClient->GetConnectionSignalQuality(signalQuality);

   115 

   116     if (err == KErrNone && m_wlanSignalStrength != signalQuality) {

   117         if (signalQuality <= KWlanInfoSignalStrengthMax && signalQuality >= 0)

   118             m_wlanSignalStrength = 100;

   119         else if (signalQuality >= KWlanInfoSignalStrengthMin)

   120             m_wlanSignalStrength = 0;

   121         else {

   122             m_wlanSignalStrength = (KWlanInfoSignalStrengthMin - signalQuality) * 100 /

   123             (KWlanInfoSignalStrengthMin - KWlanInfoSignalStrengthMax);

   124         }

   125         emit wlanNetworkSignalStrengthChanged();

   126     }

   127 #endif

   128 }

   129 

   130 void CWlanInfo::ConnectionStateChanged(TWlanConnectionMode aNewState)

   131 {

   132     if (aNewState == EWlanConnectionModeNotConnected)

   133         stopPolling();

   134     else {

   135         m_timer->start();

   136         checkWlanInfo();

   137     }

   138 }

   139 

   140 void CWlanInfo::stopPolling()

   141 {

   142     m_timer->stop();

   143     m_wlanStatus = false;

   144     m_wlanSsid = "";

   145     m_wlanSignalStrength = 0;

   146 

   147     emit wlanNetworkStatusChanged();

   148     emit wlanNetworkNameChanged();

   149     emit wlanNetworkSignalStrengthChanged();

   150 }