/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not,

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*  This file implements the SystemNetworkImpl class.

*/

#include <QList>

#include <QString>

#ifdef QT_MOBILITY_BEARER_MANAGEMENT

#include "WebNetworkConnectionManagerSingleton.h"

#endif // QT_MOBILITY_BEARER_MANAGEMENT

#include "NetworkDelegate.h"

#include "SystemNetworkImpl.h"

#include "Utilities.h"

namespace GVA {

SystemNetworkImpl::SystemNetworkImpl()

    : m_currentMode(QSystemNetworkInfo::UnknownMode)

{

    // create Qt Mobility API objects for network information

    m_networkInfo = new QSystemNetworkInfo(this);

    // set up handlers for system network info signals

    safe_connect(m_networkInfo, SIGNAL(networkModeChanged(

        QSystemNetworkInfo::NetworkMode)), this,

        SLOT(handleNetworkModeChanged(QSystemNetworkInfo::NetworkMode)));

    safe_connect(m_networkInfo, SIGNAL(networkNameChanged(

        QSystemNetworkInfo::NetworkMode, const QString&)), this,

        SLOT(handleNetworkNameChanged(QSystemNetworkInfo::NetworkMode, const QString&)));

    safe_connect(m_networkInfo, SIGNAL(networkSignalStrengthChanged(

        QSystemNetworkInfo::NetworkMode, int)), this,

        SLOT(handleNetworkSignalStrengthChanged(QSystemNetworkInfo::NetworkMode, int)));

    safe_connect(m_networkInfo, SIGNAL(networkStatusChanged(

        QSystemNetworkInfo::NetworkMode, QSystemNetworkInfo::NetworkStatus)), this,

        SLOT(handleNetworkStatusChanged(QSystemNetworkInfo::NetworkMode, QSystemNetworkInfo::NetworkStatus)));

#ifdef QT_MOBILITY_BEARER_MANAGEMENT        	

    // Get the singleton instance of WebNetworkConnectionManager 

    WRT::WebNetworkConnectionManager &webNetworkConnectionManager 

    	  = WRT::WebNetworkConnectionManagerSingleton::Instance();

    safe_connect(&webNetworkConnectionManager, SIGNAL(networkNameChanged(

        QSystemNetworkInfo::NetworkMode, const QString&)), this,

        SLOT(handleNetworkNameChanged(QSystemNetworkInfo::NetworkMode, const QString&)));

    safe_connect(&webNetworkConnectionManager, SIGNAL(networkSignalStrengthChanged(

        QSystemNetworkInfo::NetworkMode, int)), this,

        SLOT(handleNetworkSignalStrengthChanged(QSystemNetworkInfo::NetworkMode, int)));

      // Update all configurations

    webNetworkConnectionManager.updateConfigurations();

#endif // QT_MOBILITY_BEARER_MANAGEMENT

}

SystemNetworkImpl::~SystemNetworkImpl()

{

    delete m_networkInfo;

}

//! Gets the network name for the current network mode.

QString SystemNetworkImpl::getNetworkName() const

{

    QString netName = m_networkInfo->networkName(m_currentMode);

    // if WLAN SSID name is unknown show "WiFi"

    if ((m_currentMode == QSystemNetworkInfo::WlanMode) &&

        (netName == "")) {

        netName = "WiFi";

    }

    //qDebug() << "DeviceDelegate: network name " << netName;

    return (netName);

}

//! Gets the network signal strength for the current network mode.

int SystemNetworkImpl::getNetworkSignalStrength() const

{

      int strength = m_networkInfo->networkSignalStrength(m_currentMode);

    // Strength in WLAN mode is reported as -1 by QtMobility

    if ((strength == -1) && (m_currentMode == QSystemNetworkInfo::WlanMode)) {

        strength = 100;

    }

    return (strength);

}

//! Handles the networkNetworkModeChanged signal from system network info.

/*!

  \param mode network mode of connection that changed

*/

void SystemNetworkImpl::handleNetworkModeChanged(

    QSystemNetworkInfo::NetworkMode mode)

{

      qDebug() << "handleNetworkModeChanged" << "Mode:" << mode;

      m_currentMode = mode;

}

//! Handles the networkSignalStrengthChanged signal from system network info.

/*!

  \param mode network mode of connection that changed

  \param strength new signal strength

*/

void SystemNetworkImpl::handleNetworkSignalStrengthChanged(

    QSystemNetworkInfo::NetworkMode mode, int strength)

{

    qDebug() << "handleNetworkSignalStrengthChanged" << "Mode:" << mode << "strength:" << strength;

    // Bootstrap the mode change if no networkModeChanged signal is recived

      if (m_currentMode == 0)

          m_currentMode = mode;

    // Only send signal strength changes for current mode.

    if (mode == m_currentMode)

        emit networkSignalStrengthChanged(strength);

}

//! Handles the networkNameChanged signal from system network info.

/*!

  \param mode network mode of connection that changed

  \param name new network name

*/

void SystemNetworkImpl::handleNetworkNameChanged(

        QSystemNetworkInfo::NetworkMode mode, const QString& name)

{

      qDebug() << "handleNetworkStatusChanged" << "Mode:" << mode << "name:" << name;

      // Bootstrap the mode change if no networkModeChanged signal is recived

      if (m_currentMode == 0)

          m_currentMode = mode;

    // Only send network name changes for current mode.

    if (mode == m_currentMode)

        emit networkNameChanged(name);

}

//! Handles the networkStatusChanged signal from system network info.

/*!

  \param mode network mode of connection that changed

  \param status network status of connection that changed

*/

void SystemNetworkImpl::handleNetworkStatusChanged(

        QSystemNetworkInfo::NetworkMode mode, QSystemNetworkInfo::NetworkStatus status)

{

      qDebug() << "handleNetworkSignalStrengthChanged" << "Mode:" << mode << "status:" << status;

}

} // GVA