/*

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

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 * 

 */

#include <QtCore>

#include <QCoreApplication>

#include <hbindicator.h>

#include <hbindicatorplugininterface.h>

#include <hbindicatorinterface.h>

#include <qnetworkconfigmanager.h>

#include <qnetworkconfiguration.h>

#include <xqsettingsmanager.h>

#include <wlandevicesettingsinternalcrkeys.h>

#include "indicatorobserver.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "indicatorobserverTraces.h"

#endif

QTM_USE_NAMESPACE

/*!

    IndicatorObserver::IndicatorObserver

*/

IndicatorObserver::IndicatorObserver(int argc, char* argv[]) :

    QCoreApplication(argc, argv),

    mNetConfigurationManager(new QNetworkConfigurationManager(this)),

    mSettingsManager(new XQSettingsManager(this)),

    mActiveCellularConfigurations(new QList<QNetworkConfiguration>),

    mActiveWlanConfigurations(new QList<QNetworkConfiguration>),    

    mWlanEnabled(0),

    mWlanIndicatorIsActivated(false),

    mCellularIndicatorIsActivated(false)

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_CONSTRUCTOR_ENTRY, "-->");

    bool connectStatus = false;

    connectStatus = connect(

        mNetConfigurationManager,

        SIGNAL(configurationChanged(const QNetworkConfiguration&)),

        this,

        SLOT(handleConfigurationChanged(const QNetworkConfiguration&)));

    if (!connectStatus){

        OstTrace0(TRACE_FLOW, INDICATOROBSERVER_CONNECT_FAILED, "Connecting handleConfigurationChanged SLOT failed");     

        }

    connectStatus = connect(

        mSettingsManager,

        SIGNAL(valueChanged(const XQSettingsKey, const QVariant)),

        this,

        SLOT(updateWlanRadioStatus(const XQSettingsKey, const QVariant)));

    if (!connectStatus){

        OstTrace0(TRACE_FLOW, INDICATOROBSERVER_CONNECT_FAILED_DUP1, "Connecting updateWlanRadioStatus SLOT failed");     

        }

    // Subscribe for WLAN ON/OFF change indications

    XQSettingsKey wlanKey(

        XQSettingsKey::TargetCentralRepository,

        KCRUidWlanDeviceSettingsRegistryId.iUid,

        KWlanOnOff);

    //Read current status of WLAN radio

    mSettingsManager->startMonitoring(wlanKey);

    initializeIndicators();

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_CONSTRUCTOR_EXIT, "<--");

}

/*!

    IndicatorObserver::~IndicatorObserver

*/

IndicatorObserver::~IndicatorObserver()

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_DESTRUCTOR_ENTRY, "-->");

    if(mCellularIndicatorIsActivated) {

        deactivateCellularIndicatorPlugin();

    }

    if (mActiveCellularConfigurations) {

        mActiveCellularConfigurations->clear();

        delete mActiveCellularConfigurations;

        }

    if (mWlanIndicatorIsActivated) {

        deactivateWlanIndicatorPlugin();

    }

    if (mActiveWlanConfigurations) {

        mActiveWlanConfigurations->clear();

        delete mActiveWlanConfigurations;

        }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_DESTRUCTOR_EXIT, "<--");

}

/*!

    IndicatorObserver::initializeIndicators

*/

void IndicatorObserver::initializeIndicators()

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_INITIALIZEINDICATORS_ENTRY, "-->");

    findActiveConfigurations();

    updateWlanIndicator();

    updateCellularIndicator();

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_INITIALIZEINDICATORS_EXIT, "<--");

}

/*!

    IndicatorObserver::updateWlanRadioStatus

*/

void IndicatorObserver::updateWlanRadioStatus(const XQSettingsKey &key, const QVariant &value)

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_UPDATEWLANRADIOSTATUS_ENTRY, "-->");

    // The key parameter is not used, since only WLAN ON/OFF setting is connected to this slot

    Q_UNUSED(key);

    // Inform about WLAN ON/OFF status change

    if (mWlanEnabled == false) {    

        deactivateWlanIndicatorPlugin();

    } else {

        updateWlanIndicator();

    }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_UPDATEWLANRADIOSTATUS_EXIT, "<--");

}

/*!

    IndicatorObserver::findActiveConfigurations

*/

void IndicatorObserver::findActiveConfigurations()

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_FINDACTIVECONFIGURATIONS_ENTRY, "-->");

    mActiveWlanConfigurations->clear();

    mActiveCellularConfigurations->clear();

    //Let's find active connections if any    

    QList<QNetworkConfiguration> allConfigurations = mNetConfigurationManager->allConfigurations(QNetworkConfiguration::Active);

    for (int i=0; i<allConfigurations.count(); i++) {

        if (allConfigurations[i].type() == QNetworkConfiguration::InternetAccessPoint) {

            //Let's check the bearer type

            QString bearerName = allConfigurations[i].bearerName();

            if (bearerName == bearerWLAN) {

                mActiveWlanConfigurations->append(allConfigurations[i]);

            } else if (bearerName == bearer2G ||

                       bearerName == bearerWCDMA ||

                       bearerName == bearerHSPA || 

                       bearerName == bearerCDMA2000) {

                mActiveCellularConfigurations->append(allConfigurations[i]);

            }  

        }

    }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_FINDACTIVECONFIGURATIONS_EXIT, "<--");

}

/*!

    IndicatorObserver::updateWlanIndicator

*/

void IndicatorObserver::updateWlanIndicator()

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_UPDATEWLANINDICATOR_ENTRY, "-->");

    QList<QVariant> list;

    int count = mActiveWlanConfigurations->count();

    //We do not deactivate WlanIndicator plugin here as it is done in updateWlanRadioStatus method

    //as WLAN radio status determines whether to show indicator or not

    if ( mWlanEnabled ) {

        if(count == 0) {

            list.insert(0, wlanNotConnected);

            activateWlanIndicatorPlugin(list);

        } else {

            list.insert(0, wlanConnected);

            list.insert(1, mActiveWlanConfigurations->at(0).name());          

            activateWlanIndicatorPlugin(list);

        }

    }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_UPDATEWLANINDICATOR_EXIT, "<--");

}

/*!

    IndicatorObserver::updateCellularIndicator

*/

void IndicatorObserver::updateCellularIndicator()

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_UPDATECELLULARINDICATOR_ENTRY, "-->");

    QList<QVariant> list;

    int count = mActiveCellularConfigurations->count();

    if ( count == 0 ) {

        if ( mCellularIndicatorIsActivated ){

            deactivateCellularIndicatorPlugin();

        }

    } else {

        if (count == 1) {

            list.insert(0, count);

            list.insert(1, mActiveCellularConfigurations->at(0).name());

            list.insert(2, mActiveCellularConfigurations->at(0).identifier().toInt());

        } else {

            list.insert(0, count);

        } 

        activateCellularIndicatorPlugin(list);        

    }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_UPDATECELLULARINDICATOR_EXIT, "<--");

}

/*!

    IndicatorObserver::handleConfigurationChanged

*/

void IndicatorObserver::handleConfigurationChanged(const QNetworkConfiguration& config)

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_HANDLECONFIGURATIONCHANGED_ENTRY, "-->");

    switch (config.state())

    {   

        case QNetworkConfiguration::Defined: //To handle situation where we have active connection and it is lost due to bad radio conditions 

        case QNetworkConfiguration::Discovered:            

        case QNetworkConfiguration::Active:

            {

                findActiveConfigurations();

                QString bearerName = config.bearerName();

                if (bearerName == bearerWLAN) {

                    updateWlanIndicator();

                } else if (bearerName == bearer2G ||

                           bearerName == bearerWCDMA ||

                           bearerName == bearerHSPA  ||

                           bearerName == bearerCDMA2000) {                   

                    updateCellularIndicator();

                }

            }

            break;

        default:

            break;

    }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_HANDLECONFIGURATIONCHANGED_EXIT, "<--");

}

/*!

    IndicatorObserver::activateCellularIndicatorPlugin

*/

void IndicatorObserver::activateCellularIndicatorPlugin(QList<QVariant> list)

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_ACTIVATECELLULARINDICATORPLUGIN_ENTRY, "-->");

    HbIndicator indicator;    

    bool success = indicator.activate("com.nokia.hb.indicator.connectivity.cellularindicatorplugin/1.0", list);

    if (!success) {

        mCellularIndicatorIsActivated = false;

        OstTrace0(TRACE_FLOW, INDICATOROBSERVER_CELLULAR_INDICATOR_ACTIVATION_FAILED, "Cellular indicator activation failed"); 

    } else {

        mCellularIndicatorIsActivated = true;

    }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_ACTIVATECELLULARINDICATORPLUGIN_EXIT, "<--");

}

/*!

    IndicatorObserver::deactivateCellularIndicatorPlugin

*/

void IndicatorObserver::deactivateCellularIndicatorPlugin()

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_DEACTIVATECELLULARINDICATORPLUGIN_ENTRY, "-->");

    HbIndicator indicator;

    indicator.deactivate("com.nokia.hb.indicator.connectivity.cellularindicatorplugin/1.0");

    mCellularIndicatorIsActivated = false;

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_DEACTIVATECELLULARINDICATORPLUGIN_EXIT, "<--");

}

/*!

    IndicatorObserver::activateWlanIndicatorPlugin

*/

void IndicatorObserver::activateWlanIndicatorPlugin(QList<QVariant> list)

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_ACTIVATEWLANINDICATORPLUGIN_ENTRY, "-->");

    HbIndicator indicator;

    bool success = indicator.activate("com.nokia.hb.indicator.connectivity.wlanindicatorplugin/1.0", list);

    if (!success) {

        mWlanIndicatorIsActivated = false;

        OstTrace0(TRACE_FLOW, INDICATOROBSERVER_WLAN_INDICATOR_ACTIVATION_FAILED, "WLAN indicator activation failed"); 

    } else {

        mWlanIndicatorIsActivated = true;

    }

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_ACTIVATEWLANINDICATORPLUGIN_EXIT, "<--");    

}

/*!

    IndicatorObserver::deactivateWlanIndicatorPlugin

*/

void IndicatorObserver::deactivateWlanIndicatorPlugin()

{

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_DEACTIVATEWLANINDICATORPLUGIN_ENTRY, "-->");

    HbIndicator indicator;

    indicator.deactivate("com.nokia.hb.indicator.connectivity.wlanindicatorplugin/1.0");

    mWlanIndicatorIsActivated = false;

    OstTrace0(TRACE_FLOW, INDICATOROBSERVER_DEACTIVATEWLANINDICATORPLUGIN_EXIT, "<--");   

}