sessionwidget.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "sessionwidget.h"
 #include "qnetworkconfigmanager.h"

 SessionWidget::SessionWidget(const QNetworkConfiguration &config, QWidget *parent)
 :   QWidget(parent)
 {
     setupUi(this);

     session = new QNetworkSession(config, this);

     connect(session, SIGNAL(stateChanged(QNetworkSession::State)),
             this, SLOT(updateSession()));
     connect(session, SIGNAL(error(QNetworkSession::SessionError)),
             this, SLOT(updateSessionError(QNetworkSession::SessionError)));

     updateSession();

     sessionId->setText(QString("0x%1").arg(qulonglong(session), 8, 16, QChar('0')));

     configuration->setText(session->configuration().name());

     connect(openSessionButton, SIGNAL(clicked()),
             this, SLOT(openSession()));
     connect(openSyncSessionButton, SIGNAL(clicked()),
             this, SLOT(openSyncSession()));
     connect(closeSessionButton, SIGNAL(clicked()),
             this, SLOT(closeSession()));
     connect(stopSessionButton, SIGNAL(clicked()),
             this, SLOT(stopSession()));
 #if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
     connect(deleteSessionButton, SIGNAL(clicked()),
             this, SLOT(deleteSession()));
 #endif
 }

 SessionWidget::~SessionWidget()
 {
     delete session;
 }

 #if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
 void SessionWidget::deleteSession()
 {
     delete this;
 }
 #endif

 void SessionWidget::updateSession()
 {
     updateSessionState(session->state());

     QNetworkConfigurationManager manager;
     QNetworkConfiguration config;
     switch (session->configuration().type()) {
     case QNetworkConfiguration::InternetAccessPoint:
         config = session->configuration();
         break;
     case QNetworkConfiguration::ServiceNetwork:
         config = manager.configurationFromIdentifier(
                     session->sessionProperty("ActiveConfiguration").toString());
         break;
     case QNetworkConfiguration::UserChoice:
         config = manager.configurationFromIdentifier(
                     session->sessionProperty("UserChoiceConfiguration").toString());
         break;
     default:
         ;
     }

     bearer->setText(config.bearerName());
     configuration->setText(config.name());

     interfaceName->setText(session->interface().humanReadableName());
     interfaceGuid->setText(session->interface().name());
 }

 void SessionWidget::openSession()
 {
     clearError();
     session->open();
     updateSession();
 }

 void SessionWidget::openSyncSession()
 {
     clearError();
     session->open();
     session->waitForOpened();
     updateSession();
 }

 void SessionWidget::closeSession()
 {
     clearError();
     session->close();
     updateSession();
 }

 void SessionWidget::stopSession()
 {
     clearError();
     session->stop();
     updateSession();
 }

 void SessionWidget::updateSessionState(QNetworkSession::State state)
 {
     QString s = tr("%1 (%2)");

     switch (state) {
     case QNetworkSession::Invalid:
         s = s.arg(tr("Invalid"));
         break;
     case QNetworkSession::NotAvailable:
         s = s.arg(tr("Not Available"));
         break;
     case QNetworkSession::Connecting:
         s = s.arg(tr("Connecting"));
         break;
     case QNetworkSession::Connected:
         s = s.arg(tr("Connected"));
         break;
     case QNetworkSession::Closing:
         s = s.arg(tr("Closing"));
         break;
     case QNetworkSession::Disconnected:
         s = s.arg(tr("Disconnected"));
         break;
     case QNetworkSession::Roaming:
         s = s.arg(tr("Roaming"));
         break;
     default:
         s = s.arg(tr("Unknown"));
     }

     if (session->isOpen())
         s = s.arg(tr("Open"));
     else
         s = s.arg(tr("Closed"));

     sessionState->setText(s);
 }

 void SessionWidget::updateSessionError(QNetworkSession::SessionError error)
 {
     lastError->setText(QString::number(error));
     errorString->setText(session->errorString());
 }

 void SessionWidget::clearError()
 {
     lastError->clear();
     errorString->clear();
 }