src/systeminfo/symbian/wlaninfo_s60.cpp
changeset 0 876b1a06bc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/systeminfo/symbian/wlaninfo_s60.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,150 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QObject>
+#include <QTimer>
+
+#include <wlanmgmtclient.h>
+#include <wlanmgmtinterface.h>
+#include <wlanmgmtcommon.h>
+#include "wlaninfo_s60.h"
+
+const int KWlanInfoSignalStrengthMax = 60;
+const int KWlanInfoSignalStrengthMin = 100;
+
+CWlanInfo::CWlanInfo(QObject *parent) : QObject(parent)
+    , m_wlanStatus(false)
+    , m_wlanSsid()
+    , m_wlanSignalStrength(-1)
+{
+#ifndef __WINSCW__    
+    TRAP_IGNORE(
+        m_wlanMgmtClient = CWlanMgmtClient::NewL();
+        m_wlanMgmtClient->ActivateNotificationsL(*this);
+    )
+
+    m_timer = new QTimer(this);
+    connect(m_timer, SIGNAL(timeout()), this, SLOT(checkWlanInfo()));
+    m_timer->setInterval(1000);
+    m_timer->start();
+#endif    
+}
+
+CWlanInfo::~CWlanInfo()
+{
+    m_wlanMgmtClient->CancelNotifications();
+    delete m_wlanMgmtClient;
+}
+
+QString CWlanInfo::wlanNetworkName() const
+{
+    return m_wlanSsid;
+}
+
+int CWlanInfo::wlanNetworkSignalStrength() const
+{
+    return m_wlanSignalStrength;
+}
+
+bool CWlanInfo::wlanNetworkConnectionStatus() const
+{
+    return m_wlanStatus;
+}
+
+void CWlanInfo::checkWlanInfo()
+{
+#ifndef __WINSCW__    
+    TWlanConnectionMode connectionMode;
+    TInt err = m_wlanMgmtClient->GetConnectionMode(connectionMode);
+    if (err == KErrNone && connectionMode != EWlanConnectionModeNotConnected) {
+        m_wlanStatus = true;
+        emit wlanNetworkStatusChanged();
+    } else {
+        stopPolling();
+        return;
+    }
+
+    TWlanSsid ssid;
+    err = m_wlanMgmtClient->GetConnectionSsid(ssid);
+    ssid.ZeroTerminate();
+    if (err == KErrNone && m_wlanSsid != (char*)ssid.Ptr()) {
+        m_wlanSsid = (char*)ssid.Ptr();
+        emit wlanNetworkNameChanged();
+    }
+
+    TInt32 signalQuality;
+    err = m_wlanMgmtClient->GetConnectionSignalQuality(signalQuality);
+
+    if (err == KErrNone && m_wlanSignalStrength != signalQuality) {
+        if (signalQuality <= KWlanInfoSignalStrengthMax && signalQuality >= 0)
+            m_wlanSignalStrength = 100;
+        else if (signalQuality >= KWlanInfoSignalStrengthMin)
+            m_wlanSignalStrength = 0;
+        else {
+            m_wlanSignalStrength = (KWlanInfoSignalStrengthMin - signalQuality) * 100 /
+            (KWlanInfoSignalStrengthMin - KWlanInfoSignalStrengthMax);
+        }
+        emit wlanNetworkSignalStrengthChanged();
+    }
+#endif
+}
+
+void CWlanInfo::ConnectionStateChanged(TWlanConnectionMode aNewState)
+{
+    if (aNewState == EWlanConnectionModeNotConnected)
+        stopPolling();
+    else {
+        m_timer->start();
+        checkWlanInfo();
+    }
+}
+
+void CWlanInfo::stopPolling()
+{
+    m_timer->stop();
+    m_wlanStatus = false;
+    m_wlanSsid = "";
+    m_wlanSignalStrength = 0;
+
+    emit wlanNetworkStatusChanged();
+    emit wlanNetworkNameChanged();
+    emit wlanNetworkSignalStrengthChanged();
+}