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****************************************************************************/

#include "bearerex.h"

#include "datatransferer.h"

#include <QtNetwork>

Q_DECLARE_METATYPE(QNetworkConfiguration)

BearerEx::BearerEx(QWidget* parent)

     : QMainWindow(parent)

{

    setupUi(this);

    createMenus();

    connect(&m_NetworkConfigurationManager, SIGNAL(updateCompleted()), this, SLOT(configurationsUpdateCompleted()));

    connect(&m_NetworkConfigurationManager, SIGNAL(configurationAdded(const QNetworkConfiguration&)),

            this, SLOT(configurationAdded(const QNetworkConfiguration&)));

    connect(&m_NetworkConfigurationManager, SIGNAL(configurationRemoved(const QNetworkConfiguration&)),

            this, SLOT(configurationRemoved(const QNetworkConfiguration&)));

    connect(&m_NetworkConfigurationManager, SIGNAL(onlineStateChanged(bool)),

            this, SLOT(onlineStateChanged(bool)));

    connect(&m_NetworkConfigurationManager, SIGNAL(configurationChanged(const QNetworkConfiguration&)),

            this, SLOT(configurationChanged(const QNetworkConfiguration&)));

    showConfigurations();

}

void BearerEx::createMenus()

{

    QAction* act1 = new QAction(tr("Show Details"), this);

    menuBar()->addAction(act1);

    connect(act1, SIGNAL(triggered()), this, SLOT(on_showDetailsButton_clicked()));

    QAction* exitAct = new QAction(tr("Exit"), this);

    menuBar()->addAction(exitAct);

    connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));

}

void BearerEx::showConfigurations()

{

    listWidget->clear();

    QListWidgetItem* listItem;

    QNetworkConfiguration defaultConfig = m_NetworkConfigurationManager.defaultConfiguration();

    if (defaultConfig.type() == QNetworkConfiguration::UserChoice) {

        listItem = new QListWidgetItem();

        QFont font = listItem->font();

        font.setBold(true);

        font.setUnderline(true);

        listItem->setFont(font);        

        listItem->setText("       UserChoice");

        listItem->setData(Qt::UserRole, qVariantFromValue(defaultConfig));

        listWidget->addItem(listItem);

    }

    QList<QNetworkConfiguration> configurations = m_NetworkConfigurationManager.allConfigurations();

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

    {

        listItem = new QListWidgetItem();

        QString text;

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

            text.append("(IAP,");

        } else if (configurations[i].type() == QNetworkConfiguration::ServiceNetwork) {

            text.append("(SNAP,");

        }

        if ((configurations[i].state() & QNetworkConfiguration::Active) == QNetworkConfiguration::Active) {

            text.append("Act) ");

        } else if ((configurations[i].state() & QNetworkConfiguration::Discovered) == QNetworkConfiguration::Discovered) {

            text.append("Disc) ");

        } else {

            text.append("Def) ");

        }

        text.append(configurations[i].name());

        if (defaultConfig.isValid() && defaultConfig == configurations[i]) {

            QFont font = listItem->font();

            font.setBold(true);

            font.setUnderline(true);

            listItem->setFont(font);        

        }

        listItem->setText(text);

        listItem->setData(Qt::UserRole, qVariantFromValue(configurations[i]));

        listWidget->addItem(listItem);

    }

}

void BearerEx::on_updateConfigurationsButton_clicked()

{

    m_NetworkConfigurationManager.updateConfigurations();

}

void BearerEx::on_updateListButton_clicked()

{

    showConfigurations();

}

void BearerEx::on_showDetailsButton_clicked()

{

    QListWidgetItem* item = listWidget->currentItem();

    if (!item) {

        return;

    }

	QNetworkConfiguration networkConfiguration = qVariantValue<QNetworkConfiguration>(item->data(Qt::UserRole));

	DetailedInfoDialog infoDialog(&networkConfiguration,this);

	infoDialog.exec();

}

void BearerEx::on_createSessionButton_clicked()

{

    QListWidgetItem* item = listWidget->currentItem();

    if (!item) {

        return;

    }    

    QNetworkConfiguration networkConfiguration = qVariantValue<QNetworkConfiguration>(item->data(Qt::UserRole));

    int newTabIndex = mainTabWidget->count();

    SessionTab* newTab = new SessionTab(&networkConfiguration,&m_NetworkConfigurationManager,eventListWidget,newTabIndex-1);

    QString label = QString("S")+QString::number(newTabIndex-1);

    mainTabWidget->insertTab(newTabIndex,newTab,label);

    mainTabWidget->setCurrentIndex(newTabIndex);

}

void BearerEx::on_clearEventListButton_clicked()

{

    eventListWidget->clear();

}

void BearerEx::configurationAdded(const QNetworkConfiguration& config)

{

    QListWidgetItem* listItem = new QListWidgetItem();

    listItem->setText(QString("Added: ")+config.name());

    eventListWidget->addItem(listItem);

}

void BearerEx::configurationRemoved(const QNetworkConfiguration& config)

{

    QListWidgetItem* listItem = new QListWidgetItem();

    listItem->setText(QString("Removed: ")+config.name());

    eventListWidget->addItem(listItem);

}

void BearerEx::onlineStateChanged(bool isOnline)

{

    QListWidgetItem* listItem = new QListWidgetItem();

    QFont font = listItem->font();

    font.setBold(true);

    listItem->setFont(font);        

    if (isOnline) {

        listItem->setText(QString("> Online"));

    } else {

        listItem->setText(QString("< Offline"));

    }

    eventListWidget->addItem(listItem);

}

void BearerEx::configurationChanged(const QNetworkConfiguration & config)

{

    QListWidgetItem* listItem = new QListWidgetItem();

    QString state;

    switch (config.state())

    {

        case QNetworkConfiguration::Undefined:

            state = "Undef : ";

            break;

        case QNetworkConfiguration::Defined:

            state = "Def : ";

            break;

        case QNetworkConfiguration::Discovered:

            state = "Disc : ";

            break;

        case QNetworkConfiguration::Active:

            state = "Act : ";

            break;

    }

    listItem->setText(state+config.name());

    eventListWidget->addItem(listItem);

}

void BearerEx::configurationsUpdateCompleted()

{

    QMessageBox msgBox;

    msgBox.setStandardButtons(QMessageBox::Close);

    msgBox.setText("Configurations update completed.");

    msgBox.exec();

}

DetailedInfoDialog::DetailedInfoDialog(QNetworkConfiguration* apNetworkConfiguration, QWidget * parent)

    : QDialog(parent)

{

    setupUi(this);

    tableWidget->setColumnCount(2);

    int rowCount = 2;

    if (apNetworkConfiguration->type() == QNetworkConfiguration::ServiceNetwork) {

        rowCount = rowCount + apNetworkConfiguration->children().count();

    }

	tableWidget->setRowCount(rowCount);

	tableWidget->setColumnWidth(1,250);

	tableWidget->setItem(0, 0, new QTableWidgetItem(tr("Name")));

	tableWidget->setItem(0, 1, new QTableWidgetItem(apNetworkConfiguration->name()));

	tableWidget->setItem(1, 0, new QTableWidgetItem(tr("Id")));

	tableWidget->setItem(1, 1, new QTableWidgetItem(apNetworkConfiguration->identifier()));

    if (apNetworkConfiguration->type() == QNetworkConfiguration::ServiceNetwork) {

        for (int i=0; i<apNetworkConfiguration->children().count(); i++) {

            tableWidget->setItem(i+2, 0, new QTableWidgetItem(QString("IAP")+QString::number(i+1)));

            tableWidget->setItem(i+2, 1, new QTableWidgetItem(apNetworkConfiguration->children()[i].name()));

        }

    }

    tableWidget->setFocusPolicy(Qt::NoFocus);

#ifdef Q_OS_SYMBIAN

    this->showMaximized();

#endif

}

SessionTab::SessionTab(QNetworkConfiguration* apNetworkConfiguration,

                       QNetworkConfigurationManager* configManager,

                       QListWidget* eventListWidget,

                       int index,

                       BearerEx * parent)

    : QWidget(parent), m_dataTransferer(0), m_eventListWidget(eventListWidget),

     m_index(index), m_alrEnabled (false)

{

    setupUi(this);

    m_ConfigManager = configManager;

    m_NetworkSession = new QNetworkSession(*apNetworkConfiguration);

    // Update initial Session state to UI

    newState(m_NetworkSession->state());

    connect(m_NetworkSession, SIGNAL(newConfigurationActivated()), this, SLOT(newConfigurationActivated()));

    connect(m_NetworkSession, SIGNAL(stateChanged(QNetworkSession::State)),

            this, SLOT(stateChanged(QNetworkSession::State)));

    connect(m_NetworkSession, SIGNAL(opened()), this, SLOT(opened()));

    connect(m_NetworkSession, SIGNAL(closed()), this, SLOT(closed()));

    connect(m_NetworkSession, SIGNAL(error(QNetworkSession::SessionError)), this, SLOT(error(QNetworkSession::SessionError)));

    if (apNetworkConfiguration->type() == QNetworkConfiguration::InternetAccessPoint) {

        snapLabel->hide();

        snapLineEdit->hide();

        alrButton->hide();

        iapLineEdit->setText(apNetworkConfiguration->name()+" ("+apNetworkConfiguration->identifier()+")");

    } else if (apNetworkConfiguration->type() == QNetworkConfiguration::ServiceNetwork) {

        snapLineEdit->setText(apNetworkConfiguration->name()+" ("+apNetworkConfiguration->identifier()+")");

    }

    bearerLineEdit->setText(apNetworkConfiguration->bearerName());

    sentRecDataLineEdit->setText(QString::number(m_NetworkSession->bytesWritten())+

                                 QString(" / ")+

                                 QString::number(m_NetworkSession->bytesReceived()));

    snapLineEdit->setFocusPolicy(Qt::NoFocus);

    iapLineEdit->setFocusPolicy(Qt::NoFocus);

    bearerLineEdit->setFocusPolicy(Qt::NoFocus);

    sentRecDataLineEdit->setFocusPolicy(Qt::NoFocus);

    stateLineEdit->setFocusPolicy(Qt::NoFocus);

}

SessionTab::~SessionTab()

{

    delete m_NetworkSession; m_NetworkSession = 0;

    delete m_dataTransferer; m_dataTransferer = 0;

}

void SessionTab::on_createQNetworkAccessManagerButton_clicked()

{

    if (m_dataTransferer) {

        disconnect(m_dataTransferer, 0, 0, 0);

        delete m_dataTransferer;

        m_dataTransferer = 0;

    }

    // Create new object according to current selection

    QString type(comboBox->currentText());

    if (type == "QNAM") {

        m_dataTransferer = new DataTransfererQNam(this);

    } else if (type == "QTcpSocket") {

        m_dataTransferer = new DataTransfererQTcp(this);

    } else if (type == "QHttp") {

        m_dataTransferer = new DataTransfererQHttp(this);

    } else {

        qDebug("BearerEx Warning, unknown data transfer object requested, not creating anything.");

        return;

    }

    createQNetworkAccessManagerButton->setText("Recreate");

    connect(m_dataTransferer, SIGNAL(finished(quint32, qint64, QString)), this, SLOT(finished(quint32, qint64, QString)));

}

void SessionTab::on_sendRequestButton_clicked()

{

    if (m_dataTransferer) {

        if (!m_dataTransferer->transferData()) {

            QMessageBox msgBox;

            msgBox.setStandardButtons(QMessageBox::Close);

            msgBox.setText("Data transfer not started. \nVery likely data transfer ongoing.");

            msgBox.exec();

        }

    } else {

        QMessageBox msgBox;

        msgBox.setStandardButtons(QMessageBox::Close);

        msgBox.setText("Data object not created.\nCreate data object first.");

        msgBox.exec();

    }

}

void SessionTab::on_openSessionButton_clicked()

{

    m_NetworkSession->open();

    if (m_NetworkSession->isOpen()) {

        newState(m_NetworkSession->state()); 

    }

}

void SessionTab::on_closeSessionButton_clicked()

{

    m_NetworkSession->close();

    if (!m_NetworkSession->isOpen()) {

        newState(m_NetworkSession->state()); 

    }

}

void SessionTab::on_stopConnectionButton_clicked()

{

    m_NetworkSession->stop();

}

void SessionTab::on_alrButton_clicked()

{

    if (!m_alrEnabled) {

        connect(m_NetworkSession, SIGNAL(preferredConfigurationChanged(const QNetworkConfiguration&, bool)),

                this, SLOT(preferredConfigurationChanged(const QNetworkConfiguration&, bool)));

        alrButton->setText("Disable ALR");

        m_alrEnabled = true;

    } else {

        disconnect(m_NetworkSession, SIGNAL(preferredConfigurationChanged(const QNetworkConfiguration&, bool)), 0, 0);

        alrButton->setText("Enable ALR");

        m_alrEnabled = false;

    }

}

void SessionTab::on_deleteSessionButton_clicked()

{

    setWindowTitle("Bearer Example");

    delete this;

}

void SessionTab::newConfigurationActivated()

{

    QMessageBox msgBox;

    msgBox.setText("New configuration activated.");

    msgBox.setInformativeText("Do you want to accept new configuration?");

    msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);

    msgBox.setDefaultButton(QMessageBox::Yes);

    if (msgBox.exec() == QMessageBox::Yes) {

        m_NetworkSession->accept();

        iapLineEdit->setText(m_config.name()+" ("+m_config.identifier()+")");

    } else {

        m_NetworkSession->reject();

    }

}

void SessionTab::preferredConfigurationChanged(const QNetworkConfiguration& config, bool /*isSeamless*/)

{

    m_config =  config;

    QMessageBox msgBox;

    msgBox.setText("Roaming to new configuration.");

    msgBox.setInformativeText("Do you want to migrate to "+config.name()+"?");

    msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);

    msgBox.setDefaultButton(QMessageBox::Yes);

    if (msgBox.exec() == QMessageBox::Yes) {

        m_NetworkSession->migrate();

    } else {

        m_NetworkSession->ignore();

    }

}

void SessionTab::opened()

{

    QListWidgetItem* listItem = new QListWidgetItem();

    QFont font = listItem->font();

    font.setBold(true);

    listItem->setFont(font);        

    listItem->setText(QString("S")+QString::number(m_index)+QString(" - ")+QString("Opened"));

    m_eventListWidget->addItem(listItem);

    QVariant identifier = m_NetworkSession->sessionProperty("ActiveConfiguration");

    if (!identifier.isNull()) {

        QString configId = identifier.toString();

        QNetworkConfiguration config = m_ConfigManager->configurationFromIdentifier(configId);

        if (config.isValid()) {

            iapLineEdit->setText(config.name()+" ("+config.identifier()+")");

        }

    }

    newState(m_NetworkSession->state()); // Update the "(open)"

    if (m_NetworkSession->configuration().type() == QNetworkConfiguration::UserChoice) {

        QVariant identifier = m_NetworkSession->sessionProperty("UserChoiceConfiguration");

        if (!identifier.isNull()) {

            QString configId = identifier.toString();

            QNetworkConfiguration config = m_ConfigManager->configurationFromIdentifier(configId);

            if (config.isValid() && (config.type() == QNetworkConfiguration::ServiceNetwork)) {

                snapLineEdit->setText(config.name());

            }

        }

    }

}

void SessionTab::closed()

{

    QListWidgetItem* listItem = new QListWidgetItem();

    QFont font = listItem->font();

    font.setBold(true);

    listItem->setFont(font);        

    listItem->setText(QString("S")+QString::number(m_index)+QString(" - ")+QString("Closed"));

    m_eventListWidget->addItem(listItem);

}

QString SessionTab::stateString(QNetworkSession::State state)

{

    QString stateString;

    switch (state)

    {

        case QNetworkSession::Invalid:

            stateString = "Invalid";

            break;

        case QNetworkSession::NotAvailable:

            stateString = "NotAvailable";

            break;

        case QNetworkSession::Connecting:

            stateString = "Connecting";

            break;

        case QNetworkSession::Connected:

            stateString = "Connected";

            break;

        case QNetworkSession::Closing:

            stateString = "Closing";

            break;

        case QNetworkSession::Disconnected:

            stateString = "Disconnected";

            break;

        case QNetworkSession::Roaming:

            stateString = "Roaming";

            break;

    }

    return stateString;

}

void SessionTab::on_dataObjectChanged(const QString &newObjectType)

{

    qDebug() << "BearerEx SessionTab dataObjectChanged to: " << newObjectType;

    if (m_dataTransferer) {

        disconnect(m_dataTransferer, 0, 0, 0);

        delete m_dataTransferer; m_dataTransferer = 0;

        qDebug() << "BearerEx SessionTab, previous data object deleted.";

    }

    createQNetworkAccessManagerButton->setText("Create");

}

void SessionTab::stateChanged(QNetworkSession::State state)    

{

    newState(state);

    QListWidgetItem* listItem = new QListWidgetItem();

    listItem->setText(QString("S")+QString::number(m_index)+QString(" - ")+stateString(state));

    m_eventListWidget->addItem(listItem);

}

void SessionTab::newState(QNetworkSession::State state)

{

    QVariant identifier = m_NetworkSession->sessionProperty("ActiveConfiguration");

    if (state == QNetworkSession::Connected && !identifier.isNull()) {

        QString configId = identifier.toString();

        QNetworkConfiguration config = m_ConfigManager->configurationFromIdentifier(configId);

        if (config.isValid()) {

            iapLineEdit->setText(config.name()+" ("+config.identifier()+")");

            bearerLineEdit->setText(config.bearerName());

        }

    } else {

        bearerLineEdit->setText(m_NetworkSession->configuration().bearerName());

    }

    QString active;

    if (m_NetworkSession->isOpen()) {

        active = " (open)";

    }

    stateLineEdit->setText(stateString(state)+active);