qtmobility/examples/flickrdemo/connectivityhelper.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 19:08:38 +0300
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Revision: 201023 Kit: 2010125
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**   * Redistributions of source code must retain the above copyright
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**     notice, this list of conditions and the following disclaimer.
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**   * Redistributions in binary form must reproduce the above copyright
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**     notice, this list of conditions and the following disclaimer in
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**     the documentation and/or other materials provided with the
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**     distribution.
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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**     the names of its contributors may be used to endorse or promote
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**     products derived from this software without specific prior written
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**     permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "connectivityhelper.h"
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#include <QMessageBox>
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#include <QWidget>
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#include <QTimer>
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ConnectivityHelper::ConnectivityHelper(QNetworkSession *session, QWidget *parent) : QObject(parent),
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        m_session(session)
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{
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    connect(m_session,
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            SIGNAL(error(QNetworkSession::SessionError)),
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            this,
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            SLOT(error(QNetworkSession::SessionError)));
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}
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void ConnectivityHelper::error(QtMobility::QNetworkSession::SessionError error)
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{
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    if (error == QNetworkSession::UnknownSessionError) {
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        if (m_session->state() == QNetworkSession::Connecting) {
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            QMessageBox msgBox(qobject_cast<QWidget *>(parent()));
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            msgBox.setText("This application requires network access to function.");
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            msgBox.setInformativeText("Press Cancel to quit the application.");
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            msgBox.setIcon(QMessageBox::Information);
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            msgBox.setStandardButtons(QMessageBox::Retry | QMessageBox::Cancel);
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            msgBox.setDefaultButton(QMessageBox::Retry);
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            int ret = msgBox.exec();
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            if (ret == QMessageBox::Retry) {
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                QTimer::singleShot(0, m_session, SLOT(open()));
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            } else if (ret == QMessageBox::Cancel) {
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                emit networkingCancelled();
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            }
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        }
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    } else if (error == QNetworkSession::SessionAbortedError) {
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        QMessageBox msgBox(qobject_cast<QWidget *>(parent()));
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        msgBox.setText("Out of range of network.");
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        msgBox.setInformativeText("Move back into range and press Retry, or press Cancel to quit the application.");
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        msgBox.setIcon(QMessageBox::Warning);
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        msgBox.setStandardButtons(QMessageBox::Retry | QMessageBox::Cancel);
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        msgBox.setDefaultButton(QMessageBox::Retry);
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        int ret = msgBox.exec();
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        if (ret == QMessageBox::Retry) {
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            QTimer::singleShot(0, m_session, SLOT(open()));
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        } else if (ret == QMessageBox::Cancel) {
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            emit networkingCancelled();
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        }
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    }
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}