/*

 * 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 <networkhandlingproxy.h>

#include <cnwsession.h>

#include <xqsettingsmanager.h>

#include <xqsettingskey.h>

#include <settingsinternalcrkeys.h>

#include "infowidgetnetworkhandler.h"

#include "infowidgetlogging.h"

/*!

  \class InfoWidgetNetworkHandler

  \brief Handles network specific functionality of 

         Operator info widget

*/

// Local constants 

const int KMcnValueOff = 0;  

const int KMcnValueOn = 1; 

/*!

    InfoWidgetNetworkHandler::InfoWidgetNetworkHandler()

*/

InfoWidgetNetworkHandler::InfoWidgetNetworkHandler(QObject *parent) 

    :QObject(parent), 

    m_nwSession(NULL) 

{

    DPRINT;

    if (!createSession()) {

        DCRITICAL << ": session creation failed!"; 

    } 

}

/*!

    InfoWidgetNetworkHandler::~InfoWidgetNetworkHandler()

*/

InfoWidgetNetworkHandler::~InfoWidgetNetworkHandler()

{

    DPRINT;

    try {

        // Disable MCN setting, 

        // display client is being deleted

        disableMcn(); 

    } catch (const std::exception& ex) {

        DCRITICAL << ": exception detected: " << ex.what();  

    }      

}    

/*!

    InfoWidgetNetworkHandler::createSession()

*/

bool InfoWidgetNetworkHandler::createSession()

{

    DPRINT;

    bool success(false);

    if (!m_nwSession) {

        QT_TRAP_THROWING(m_nwSession.reset(

                CreateL(*this, m_nwInfo)));

        if (m_nwSession) {

            DPRINT << ": session created"; 

            success = true;

        }

    } else {

        DWARNING << ": session already created!"; 

    }

    return success; 

}

/*!

    InfoWidgetNetworkHandler::suspend()

*/

void InfoWidgetNetworkHandler::suspend()

{

    DPRINT;

}

/*!

    InfoWidgetNetworkHandler::resume()

*/

void InfoWidgetNetworkHandler::resume()

{

    DPRINT;

}

/*!

    InfoWidgetNetworkHandler::serviceProviderName()

*/

QString InfoWidgetNetworkHandler::serviceProviderName() const 

{

    QString qBuf;

    qBuf = QString((QChar*)m_nwInfo.iSPName.Ptr(), 

        m_nwInfo.iSPName.Length());

    DPRINT << ": serviceProviderName: " << qBuf;

    return qBuf; 

}

/*!

    InfoWidgetNetworkHandler::serviceProviderNameDisplayRequired()

*/

bool InfoWidgetNetworkHandler::serviceProviderNameDisplayRequired() const 

{

    bool displayRequired(true); 

    if (m_nwInfo.iServiceProviderNameDisplayReq == 

            RMobilePhone::KDisplaySPNNotRequired) {

        displayRequired = false; 

    } 

    return displayRequired; 

}

/*!

    InfoWidgetNetworkHandler::homeZoneTextTag()

*/

QString InfoWidgetNetworkHandler::homeZoneTextTag() const 

{

    QString qBuf;

    qBuf = QString((QChar*)m_nwInfo.iViagTextTag.Ptr(), 

        m_nwInfo.iViagTextTag.Length());

    return qBuf; 

}

/*!

    InfoWidgetNetworkHandler::homeZoneIndicatorType()

*/

int InfoWidgetNetworkHandler::homeZoneIndicatorType() const 

{

    int indicatorType = m_nwInfo.iViagIndicatorType;

    return indicatorType; 

}

/*!

    InfoWidgetNetworkHandler::enableMcn()

*/

void InfoWidgetNetworkHandler::enableMcn() 

{

    DPRINT;

    if (!readMcnDisplayState()) {

        DPRINT << ": enabling mcn display cenrep";

        writeMcnDisplayState(true); 

    }

}

/*!

    InfoWidgetNetworkHandler::disableMcn()

*/

void InfoWidgetNetworkHandler::disableMcn()

{

    DPRINT;

    if (readMcnDisplayState()) {

        DPRINT << ": disabling mcn display cenrep";

        writeMcnDisplayState(false); 

    }

}

/*!

    InfoWidgetNetworkHandler::mcnName()

*/

QString InfoWidgetNetworkHandler::mcnName() const 

{

    QString qBuf;

    qBuf = QString((QChar*)m_nwInfo.iMCNName.Ptr(),

        m_nwInfo.iMCNName.Length());

    DPRINT << ": mcnName: " << qBuf;

    return qBuf; 

}

/*!

    InfoWidgetNetworkHandler::mcnIndicatorType()

*/

int InfoWidgetNetworkHandler::mcnIndicatorType() const 

{

    DPRINT << ": mcnIndicatorType: " << m_nwInfo.iMCNIndicatorType;

    return m_nwInfo.iMCNIndicatorType;  

}

/*!

    InfoWidgetNetworkHandler::networkRegistrationStatus()

*/

int InfoWidgetNetworkHandler::networkRegistrationStatus() const 

{

    DPRINT << ": networkRegistrationStatus: " 

            << static_cast<int>(m_nwInfo.iRegistrationStatus);

    return static_cast<int>(m_nwInfo.iRegistrationStatus); 

}

/*!

    InfoWidgetNetworkHandler::isOnline()

    Check if network registration status is registered and 

    return status accordingly 

*/

bool InfoWidgetNetworkHandler::isOnline() const

{

    bool online(false); 

    if (!m_nwSession.isNull()) {

        switch (networkRegistrationStatus()) {

            case ENWRegisteredBusy: // Fall through

            case ENWRegisteredOnHomeNetwork: // Fall through

            case ENWRegisteredRoaming: 

                online = true;

                break; 

            default: 

                break; 

        }

    }

    DPRINT << ": online: " << online;

    return online; 

}

/*!

    InfoWidgetNetworkHandler::HandleNetworkMessage()

    Implementation for MNWMessageObserver callback

    function 

*/

void InfoWidgetNetworkHandler::HandleNetworkMessage( 

    const TNWMessages aMessage )

{   

    DPRINT << ": message: " << aMessage;

    bool acceptedMessage = false;

    switch (aMessage) {

        case ENWMessageCurrentCellInfoMessage: // Fall through 

        case ENWMessageServiceProviderNameChange: // Fall through

        case ENWMessageNetworkRegistrationStatusChange: // Fall through

            acceptedMessage = true;

            break;

        default:

            // not interesting message, filter out

            DPRINT << ": message filtered out";

            acceptedMessage = false;

    }

    if (acceptedMessage) {

        int result = 0;

        QT_TRYCATCH_ERROR(result, emit networkDataChanged());

        if (0 != result) {

            DPRINT << ": Exception occured while emitting signal:" << result;

        }

    }

}

/*!

    InfoWidgetNetworkHandler::HandleNetworkError()

    Implementation for MNWMessageObserver callback

    function 

*/

void InfoWidgetNetworkHandler::HandleNetworkError( 

    const TNWOperation aOperation, 

    TInt aErrorCode )

{

    DPRINT << ": operation: " << aOperation <<  

        " error code: " << aErrorCode;

    // Reset invalid data  

    switch (aOperation) {

        case MNWMessageObserver::ENWGetServiceProviderName:

            m_nwInfo.iServiceProviderNameDisplayReq = 

                    RMobilePhone::KDisplaySPNNotRequired;

            m_nwInfo.iSPName.Zero();

        break;

        default: 

            break; 

    }

    // Emit error signal 

    int result = 0;

    QT_TRYCATCH_ERROR(result, emit networkError( 

        static_cast<int>(aOperation), static_cast<int>(aErrorCode)));

    if (0 != result) {

        DPRINT << ": Exception occured while emitting signal:" << result;

    }

}

/*!

    Write Mcn cenrep key.   

*/

void InfoWidgetNetworkHandler::writeMcnDisplayState(bool enabled)

{

    QScopedPointer<XQSettingsManager> settingsManager(new XQSettingsManager); 

    XQSettingsKey settingsKey(XQSettingsKey::TargetCentralRepository, 

        KCRUidNetworkSettings.iUid, KSettingsMcnDisplay);

    int value; 

    if (enabled) {

        value = KMcnValueOn; 

    } else {

        value = KMcnValueOff; 

    }

    bool result = settingsManager->writeItemValue(settingsKey, value);

    DPRINT << ": write success: " << result << " mcn enabled: " << enabled;

}

/*!

    Read Mcn cenrep key.

*/

bool InfoWidgetNetworkHandler::readMcnDisplayState()

{

    QScopedPointer<XQSettingsManager> settingsManager(new XQSettingsManager); 

    XQSettingsKey settingsKey(XQSettingsKey::TargetCentralRepository, 

        KCRUidNetworkSettings.iUid, KSettingsMcnDisplay); 

    bool success(false); 

    int value = settingsManager->readItemValue(

            settingsKey,

            XQSettingsManager::TypeInt).toInt(&success);

    bool mcnEnabled(false); 

    if (success && value == KMcnValueOn) {

        mcnEnabled = true; 

    }

    DPRINT << ": read success: " << success << " mcn enabled: " << mcnEnabled;

    return mcnEnabled; 

}

// End of File.