/*

* Copyright (c) 2010 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 "hsdeviceinfolistener.h"

#include <QDebug>

#ifdef Q_OS_SYMBIAN

#include <e32property.h>

#include <startupdomainpskeys.h>

#endif

/*!

*/

HsDeviceInfoListener::HsDeviceInfoListener(QObject *parent)

    : QObject(parent),

      mCurrentNetworkMode(QSystemNetworkInfo::UnknownMode),

      mStatus(NoService)

{

    mNetworkInfo = new QSystemNetworkInfo(this);

    mDeviceInfo = new QSystemDeviceInfo(this);

    connect(mNetworkInfo, SIGNAL(networkStatusChanged(QSystemNetworkInfo::NetworkMode, QSystemNetworkInfo::NetworkStatus)), SLOT(onNetworkStatusChanged(QSystemNetworkInfo::NetworkMode, QSystemNetworkInfo::NetworkStatus)));

    connect(mNetworkInfo, SIGNAL(networkNameChanged(QSystemNetworkInfo::NetworkMode,const QString &)), SLOT(onNetworkNameChanged(QSystemNetworkInfo::NetworkMode,const QString &)));

    connect(mDeviceInfo, SIGNAL(currentProfileChanged(QSystemDeviceInfo::Profile)), SLOT(onCurrentProfileChanged(QSystemDeviceInfo::Profile)));

    updateCurrentNetworkMode();

    updateStatus();

}

/*!

*/

HsDeviceInfoListener::~HsDeviceInfoListener()

{

}

/*!

*/

QString HsDeviceInfoListener::operatorName() const

{

    return QSystemNetworkInfo::networkName(mCurrentNetworkMode);

}

/*!

*/

HsDeviceInfoListener::HsDeviceInfoStatus HsDeviceInfoListener::status() const

{

    return mStatus;

}

/*!

*/

void HsDeviceInfoListener::onNetworkStatusChanged(QSystemNetworkInfo::NetworkMode networkMode, QSystemNetworkInfo::NetworkStatus networkStatus)

{

    Q_UNUSED(networkMode);

    Q_UNUSED(networkStatus);

    updateCurrentNetworkMode();

    updateStatus();

}

/*!

*/

void HsDeviceInfoListener::onNetworkNameChanged(QSystemNetworkInfo::NetworkMode networkMode,const QString &networkName)

{

    Q_UNUSED(networkMode);

    updateCurrentNetworkMode();

    if(mCurrentNetworkMode != QSystemNetworkInfo::UnknownMode) {

        qDebug() << "HsDeviceInfoListener::onNetworkNameChanged() - " << networkName;

        emit networkNameChanged(networkName);

    }

    updateStatus();

}

/*!

*/

void HsDeviceInfoListener::onCurrentProfileChanged(QSystemDeviceInfo::Profile profile)

{

    Q_UNUSED(profile);

    updateStatus();

}

/*!

*/

QSystemNetworkInfo::NetworkStatus HsDeviceInfoListener::networkStatus()

{

    return mNetworkInfo->networkStatus(mCurrentNetworkMode);

}

/*!

*/

void HsDeviceInfoListener::updateCurrentNetworkMode()

{

    //We are keen only GSM and WCDMA network connections.

    //Other networks (WLAN etc.) are treated as UnknowMode.

    qDebug() << "HsDeviceInfoListener::updateCurrentNetworkMode() - Entry: mCurrentNetworkMode == "

             << mCurrentNetworkMode;

    if(isConnected(QSystemNetworkInfo::GsmMode)) {

        mCurrentNetworkMode = QSystemNetworkInfo::GsmMode;

    } else if (isConnected(QSystemNetworkInfo::WcdmaMode)) {

        mCurrentNetworkMode = QSystemNetworkInfo::WcdmaMode;

    } else {

        mCurrentNetworkMode = QSystemNetworkInfo::UnknownMode;

    }

    qDebug() << "HsDeviceInfoListener::updateCurrentNetworkMode() - Exit: mCurrentNetworkMode == "

             << mCurrentNetworkMode;

}

/*!

*/

bool HsDeviceInfoListener::isConnected(QSystemNetworkInfo::NetworkMode mode)

{

    bool connected = false;

    qDebug() << "HsDeviceInfoListener::isConnected():";

    qDebug() << "   - Mode:" << (mode == QSystemNetworkInfo::WcdmaMode ? "WcdmaMode" : "GsmMode");

    QSystemNetworkInfo::NetworkStatus status = mNetworkInfo->networkStatus(mode);

    switch (status) {

        case QSystemNetworkInfo::Connected:

            qDebug() << "   - Status: Connected";

            //Fall through

        case QSystemNetworkInfo::HomeNetwork:

            qDebug() << "   - Status: HomeNetwork";

            //Fall through

        case QSystemNetworkInfo::Roaming:

            qDebug() << "   - Status: Roaming";

            connected = true;

            break;

        default:

            qDebug() << "   - Status: " << status;

            break;

    };

    qDebug() << "   - Is connected:" << connected;

    return connected;

}

/*!

*/

void HsDeviceInfoListener::updateStatus()

{

    qDebug() << "HsDeviceInfoListener::updateStatus() - Entry: mStatus == "

             << mStatus;

    HsDeviceInfoStatus currentStatus;

    if ( mDeviceInfo->currentProfile() == QSystemDeviceInfo::OfflineProfile &&

         simStatus() != QSystemDeviceInfo::SimNotAvailable) {

        currentStatus = OfflineProfile;

    } else if (mCurrentNetworkMode == QSystemNetworkInfo::UnknownMode) {

        currentStatus = NoService;

    } else {

        currentStatus = ServiceAvailable;

    }

    if(mStatus != currentStatus) {

        mStatus = currentStatus;

        emit statusChanged(mStatus);

    }

    qDebug() << "HsDeviceInfoListener::updateStatus() - Exit: mStatus == "

             << mStatus;

}

/*!

*/

QSystemDeviceInfo::SimStatus HsDeviceInfoListener::simStatus() const

{

    QSystemDeviceInfo::SimStatus qtSimStatus = QSystemDeviceInfo::SimNotAvailable;

#ifdef Q_OS_SYMBIAN

    TInt simCardStatus(ESimNotPresent);

    RProperty symbianSimStatus;

    qt_symbian_throwIfError( symbianSimStatus.Attach( KPSUidStartup, KPSSimStatus ) );

    qt_symbian_throwIfError( symbianSimStatus.Get( simCardStatus ) );

    symbianSimStatus.Close();

    switch (simCardStatus) {

        case ESimUsable:

            // The Sim card is fully usable.

            qtSimStatus = QSystemDeviceInfo::SingleSimAvailable;

            qDebug() << "HsDeviceInfoListener::simStatus() - SingleSimAvailable";

            break;

        default:

            //ESimReadable == The SIM card is not fully usable, but the emergency number can be read.

            //ESimNotReady == The Sim card is present but not ready or usable.

            //ESimNotPresent == The Sim card is not present.

            //ESimNotSupported == SIM/RUIM is not supported. Some CDMA phones do not support a SIM/RUIM at all.

            qtSimStatus = QSystemDeviceInfo::SimNotAvailable;

            qDebug() << "HsDeviceInfoListener::simStatus() - SimNotAvailable";

            break;

    };

#else

    qtSimStatus = mDeviceInfo->simStatus();

#endif

    return qtSimStatus;

}