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#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();

}