Bearer Management Integration 1.

10 files changed, 1165 insertions, 0 deletions

diff --git a/examples/network/bearercloud/bearercloud.cpp b/examples/network/bearercloud/bearercloud.cpp
new file mode 100644
index 0000000..182d4ec
--- /dev/null
+++ b/examples/network/bearercloud/bearercloud.cpp
@@ -0,0 +1,197 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "bearercloud.h"
+#include "cloud.h"
+
+#include <QGraphicsTextItem>
+#include <QTimer>
+#include <QDateTime>
+#include <QHostInfo>
+
+#include <QDebug>
+
+#include <math.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+//! [0]
+BearerCloud::BearerCloud(QObject *parent)
+:   QGraphicsScene(parent), timerId(0)
+{
+    setSceneRect(-300, -300, 600, 600);
+
+    qsrand(QDateTime::currentDateTime().toTime_t());
+
+    offset[QNetworkConfiguration::Active] = 2 * M_PI * qrand() / RAND_MAX;
+    offset[QNetworkConfiguration::Discovered] = offset[QNetworkConfiguration::Active] + M_PI / 6;
+    offset[QNetworkConfiguration::Defined] = offset[QNetworkConfiguration::Discovered] - M_PI / 6;
+    offset[QNetworkConfiguration::Undefined] = offset[QNetworkConfiguration::Undefined] + M_PI / 6;
+
+    thisDevice = new QGraphicsTextItem(QHostInfo::localHostName());
+    thisDevice->setData(0, QLatin1String("This Device"));
+    thisDevice->setPos(thisDevice->boundingRect().width() / -2,
+                       thisDevice->boundingRect().height() / -2);
+    addItem(thisDevice);
+
+    qreal radius = Cloud::getRadiusForState(QNetworkConfiguration::Active);
+    QGraphicsEllipseItem *orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius);
+    orbit->setPen(QColor(Qt::green));
+    addItem(orbit);
+    radius = Cloud::getRadiusForState(QNetworkConfiguration::Discovered);
+    orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius);
+    orbit->setPen(QColor(Qt::blue));
+    addItem(orbit);
+    radius = Cloud::getRadiusForState(QNetworkConfiguration::Defined);
+    orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius);
+    orbit->setPen(QColor(Qt::darkGray));
+    addItem(orbit);
+    radius = Cloud::getRadiusForState(QNetworkConfiguration::Undefined);
+    orbit = new QGraphicsEllipseItem(-radius, -radius, 2*radius, 2*radius);
+    orbit->setPen(QColor(Qt::lightGray));
+    addItem(orbit);
+
+    connect(&manager, SIGNAL(configurationAdded(QNetworkConfiguration)),
+            this, SLOT(configurationAdded(QNetworkConfiguration)));
+    connect(&manager, SIGNAL(configurationRemoved(QNetworkConfiguration)),
+            this, SLOT(configurationRemoved(QNetworkConfiguration)));
+    connect(&manager, SIGNAL(configurationChanged(QNetworkConfiguration)),
+            this, SLOT(configurationChanged(QNetworkConfiguration)));
+
+    QTimer::singleShot(0, this, SLOT(updateConfigurations()));
+}
+//! [0]
+
+BearerCloud::~BearerCloud()
+{
+}
+
+void BearerCloud::cloudMoved()
+{
+    if (!timerId)
+        timerId = startTimer(1000 / 25);
+}
+
+void BearerCloud::timerEvent(QTimerEvent *)
+{
+    QList<Cloud *> clouds;
+    foreach (QGraphicsItem *item, items()) {
+        if (Cloud *cloud = qgraphicsitem_cast<Cloud *>(item))
+            clouds << cloud;
+    }
+
+    foreach (Cloud *cloud, clouds)
+        cloud->calculateForces();
+
+    bool cloudsMoved = false;
+    foreach (Cloud *cloud, clouds)
+        cloudsMoved |= cloud->advance();
+
+    if (!cloudsMoved) {
+        killTimer(timerId);
+        timerId = 0;
+    }
+}
+
+//! [2]
+void BearerCloud::configurationAdded(const QNetworkConfiguration &config)
+{
+    const QNetworkConfiguration::StateFlags state = config.state();
+
+    configStates.insert(state, config.identifier());
+
+    const qreal radius = Cloud::getRadiusForState(state);
+    const int count = configStates.count(state);
+    const qreal angle = 2 * M_PI / count;
+
+    Cloud *item = new Cloud(config);
+    configurations.insert(config.identifier(), item);
+
+    item->setPos(radius * cos((count-1) * angle + offset[state]),
+                 radius * sin((count-1) * angle + offset[state]));
+
+    addItem(item);
+
+    cloudMoved();
+}
+//! [2]
+
+//! [3]
+void BearerCloud::configurationRemoved(const QNetworkConfiguration &config)
+{
+    foreach (const QNetworkConfiguration::StateFlags &state, configStates.uniqueKeys())
+        configStates.remove(state, config.identifier());
+
+    Cloud *item = configurations.take(config.identifier());
+
+    item->setFinalScale(0.0);
+    item->setDeleteAfterAnimation(true);
+
+    cloudMoved();
+}
+//! [3]
+
+//! [4]
+void BearerCloud::configurationChanged(const QNetworkConfiguration &config)
+{
+    foreach (const QNetworkConfiguration::StateFlags &state, configStates.uniqueKeys())
+        configStates.remove(state, config.identifier());
+
+    configStates.insert(config.state(), config.identifier());
+
+    cloudMoved();
+}
+//! [4]
+
+//! [1]
+void BearerCloud::updateConfigurations()
+{
+    QList<QNetworkConfiguration> allConfigurations = manager.allConfigurations();
+
+    while (!allConfigurations.isEmpty())
+        configurationAdded(allConfigurations.takeFirst());
+
+    cloudMoved();
+}
+//! [1]
+
diff --git a/examples/network/bearercloud/bearercloud.h b/examples/network/bearercloud/bearercloud.h
new file mode 100644
index 0000000..c18ffd3
--- /dev/null
+++ b/examples/network/bearercloud/bearercloud.h
@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qnetworkconfigmanager.h>
+
+#include <QGraphicsScene>
+#include <QMap>
+#include <QHash>
+
+QTM_USE_NAMESPACE
+
+class Cloud;
+
+class BearerCloud : public QGraphicsScene
+{
+    Q_OBJECT
+
+public:
+    BearerCloud(QObject *parent = 0);
+    ~BearerCloud();
+
+    void cloudMoved();
+
+    void timerEvent(QTimerEvent *event);
+
+private Q_SLOTS:
+    void configurationAdded(const QNetworkConfiguration &config);
+    void configurationRemoved(const QNetworkConfiguration &config);
+    void configurationChanged(const QNetworkConfiguration &config);
+    void updateConfigurations();
+
+private:
+    QNetworkConfigurationManager manager;
+
+    QGraphicsTextItem *thisDevice;
+    QHash<QString, Cloud *> configurations;
+
+    QMap<QNetworkConfiguration::StateFlags, qreal> offset;
+    QMultiMap<QNetworkConfiguration::StateFlags, QString> configStates;
+
+    int timerId;
+};
+
diff --git a/examples/network/bearercloud/bearercloud.pro b/examples/network/bearercloud/bearercloud.pro
new file mode 100644
index 0000000..308ddda
--- /dev/null
+++ b/examples/network/bearercloud/bearercloud.pro
@@ -0,0 +1,30 @@
+HEADERS = bearercloud.h \
+          cloud.h
+
+SOURCES = main.cpp \
+          bearercloud.cpp \
+          cloud.cpp
+
+RESOURCES = icons.qrc
+
+TARGET = bearercloud
+
+QT = core gui network svg
+
+INCLUDEPATH += ../../src/bearer
+
+include(../examples.pri)
+
+qtAddLibrary(QtBearer)
+
+CONFIG += console
+
+include(../examples.pri)
+
+
+macx: {
+    contains(QT_CONFIG,qt_framework):LIBS += -framework QtBearer
+    INCLUDEPATH += ../../
+    contains(CONFIG, debug) {
+    }
+}
diff --git a/examples/network/bearercloud/cloud.cpp b/examples/network/bearercloud/cloud.cpp
new file mode 100644
index 0000000..4a1bde7
--- /dev/null
+++ b/examples/network/bearercloud/cloud.cpp
@@ -0,0 +1,361 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "cloud.h"
+#include "bearercloud.h"
+
+#include <qnetworksession.h>
+
+#include <QGraphicsTextItem>
+#include <QGraphicsSvgItem>
+#include <QGraphicsSceneMouseEvent>
+#include <QSvgRenderer>
+#include <QPainter>
+
+#include <QDebug>
+
+#include <math.h>
+
+static QMap<QString, QSvgRenderer *> svgCache;
+
+//! [0]
+Cloud::Cloud(const QNetworkConfiguration &config, QGraphicsItem *parent)
+:   QGraphicsItem(parent), configuration(config), deleteAfterAnimation(false)
+{
+    session = new QNetworkSession(configuration, this);
+    connect(session, SIGNAL(newConfigurationActivated()),
+            this, SLOT(newConfigurationActivated()));
+    connect(session, SIGNAL(stateChanged(QNetworkSession::State)),
+            this, SLOT(stateChanged(QNetworkSession::State)));
+
+    setFlag(ItemIsMovable);
+#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
+    setFlag(ItemSendsGeometryChanges);
+#endif
+    setZValue(1);
+
+    icon = new QGraphicsSvgItem(this);
+    text = new QGraphicsTextItem(this);
+
+    currentScale = 0;
+    finalScale = 1;
+    setTransform(QTransform::fromScale(currentScale, currentScale), false);
+    setOpacity(0);
+
+    newConfigurationActivated();
+}
+//! [0]
+
+Cloud::~Cloud()
+{
+}
+
+void Cloud::setFinalScale(qreal factor)
+{
+    finalScale = factor;
+}
+
+void Cloud::setDeleteAfterAnimation(bool deleteAfter)
+{
+    deleteAfterAnimation = deleteAfter;
+}
+
+void Cloud::calculateForces()
+{
+    if (!scene() || scene()->mouseGrabberItem() == this) {
+        newPos = pos();
+        return;
+    }
+
+    // sum up all the forces push this item away
+    qreal xvel = 0;
+    qreal yvel = 0;
+    QLineF orbitForce;
+    foreach (QGraphicsItem *item, scene()->items()) {
+        // other clouds
+        Cloud *cloud = qgraphicsitem_cast<Cloud *>(item);
+        if (!cloud && item->data(0) != QLatin1String("This Device"))
+            continue;
+
+        qreal factor = 1.0;
+
+        QLineF line(cloud ? item->mapToScene(0, 0) : QPointF(0, 0), mapToScene(0, 0));
+        if (item->data(0) == QLatin1String("This Device"))
+            orbitForce = line;
+
+        if (cloud)
+            factor = cloud->currentScale;
+
+        qreal dx = line.dx();
+        qreal dy = line.dy();
+        double l = 2.0 * (dx * dx + dy * dy);
+        if (l > 0) {
+            xvel += factor * dx * 200.0 / l;
+            yvel += factor * dy * 200.0 / l;
+        }
+    }
+
+    // tendency to stay at a fixed orbit
+    qreal orbit = getRadiusForState(configuration.state());
+    qreal distance = orbitForce.length();
+
+    QLineF unit = orbitForce.unitVector();
+
+    orbitForce.setLength(xvel * unit.dx() + yvel * unit.dy());
+
+    qreal w = 2 - exp(-pow(distance-orbit, 2)/(2 * 50));
+
+    if (distance < orbit) {
+        xvel += orbitForce.dx() * w;
+        yvel += orbitForce.dy() * w;
+    } else {
+        xvel -= orbitForce.dx() * w;
+        yvel -= orbitForce.dy() * w;
+    }
+
+    if (qAbs(xvel) < 0.1 && qAbs(yvel) < 0.1)
+        xvel = yvel = 0;
+
+    QRectF sceneRect = scene()->sceneRect();
+    newPos = pos() + QPointF(xvel, yvel);
+    newPos.setX(qMin(qMax(newPos.x(), sceneRect.left() + 10), sceneRect.right() - 10));
+    newPos.setY(qMin(qMax(newPos.y(), sceneRect.top() + 10), sceneRect.bottom() - 10));
+}
+
+bool Cloud::advance()
+{
+    static const qreal scaleDelta = 0.01;
+
+    bool animated = false;
+
+    if (currentScale < finalScale) {
+        animated = true;
+        currentScale = qMin<qreal>(currentScale + scaleDelta, finalScale);
+        setTransform(QTransform::fromScale(currentScale, currentScale), false);
+    } else if (currentScale > finalScale) {
+        animated = true;
+        currentScale = qMax<qreal>(currentScale - scaleDelta, finalScale);
+        setTransform(QTransform::fromScale(currentScale, currentScale), false);
+    }
+
+    if (newPos != pos()) {
+        setPos(newPos);
+        animated = true;
+    }
+
+    if (opacity() != finalOpacity) {
+        animated = true;
+        if (qAbs(finalScale - currentScale) > 0.0) {
+            // use scale as reference
+            setOpacity(opacity() + scaleDelta * (finalOpacity - opacity()) /
+                       qAbs(finalScale - currentScale));
+        } else {
+            setOpacity(finalOpacity);
+        }
+    }
+
+    if (!animated && deleteAfterAnimation)
+        deleteLater();
+
+    return animated;
+}
+
+QRectF Cloud::boundingRect() const
+{
+    return childrenBoundingRect();
+}
+
+void Cloud::paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *)
+{
+}
+
+//! [4]
+QVariant Cloud::itemChange(GraphicsItemChange change, const QVariant &value)
+{
+    switch (change) {
+    case ItemPositionHasChanged:
+        if (BearerCloud *bearercloud = qobject_cast<BearerCloud *>(scene()))
+            bearercloud->cloudMoved();
+    default:
+        ;
+    };
+
+    return QGraphicsItem::itemChange(change, value);
+}
+//! [4]
+
+//! [3]
+void Cloud::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (event->button() == Qt::LeftButton) {
+        if (session->isActive())
+            session->close();
+        else
+            session->open();
+
+        event->accept();
+    }
+}
+//! [3]
+
+//! [2]
+void Cloud::stateChanged(QNetworkSession::State state)
+{
+    if (configuration.name().isEmpty())
+        finalOpacity = qreal(0.1);
+    else if (session->state() == QNetworkSession::NotAvailable)
+        finalOpacity = 0.5;
+    else
+        finalOpacity = 1.0;
+
+    QString tooltip;
+
+    if (configuration.name().isEmpty())
+        tooltip += tr("<b>HIDDEN NETWORK</b><br>");
+    else
+        tooltip += tr("<b>%1</b><br>").arg(configuration.name());
+
+    const QNetworkInterface interface = session->interface();
+    if (interface.isValid())
+        tooltip += tr("<br>Interface: %1").arg(interface.humanReadableName());
+    tooltip += tr("<br>Id: %1").arg(configuration.identifier());
+
+    const QString bearerName = session->bearerName();
+    if (!bearerName.isEmpty())
+        tooltip += tr("<br>Bearer: %1").arg(bearerName);
+
+    QString s = tr("<br>State: %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->isActive())
+        s = s.arg(tr("Active"));
+    else
+        s = s.arg(tr("Inactive"));
+
+    tooltip += s;
+
+    tooltip += tr("<br><br>Active time: %1 seconds").arg(session->activeTime());
+    tooltip += tr("<br>Received data: %1 bytes").arg(session->bytesReceived());
+    tooltip += tr("<br>Sent data: %1 bytes").arg(session->bytesWritten());
+
+    setToolTip(tooltip);
+}
+//! [2]
+
+//! [1]
+void Cloud::newConfigurationActivated()
+{
+    const QString bearerName = session->bearerName();
+    if (!svgCache.contains(bearerName)) {
+        if (bearerName == QLatin1String("WLAN"))
+            svgCache.insert(bearerName, new QSvgRenderer(QLatin1String(":wlan.svg")));
+        else if (bearerName == QLatin1String("Ethernet"))
+            svgCache.insert(bearerName, new QSvgRenderer(QLatin1String(":lan.svg")));
+        else
+            svgCache.insert(bearerName, new QSvgRenderer(QLatin1String(":unknown.svg")));
+    }
+
+    icon->setSharedRenderer(svgCache[bearerName]);
+
+    if (configuration.name().isEmpty()) {
+        text->setPlainText(tr("HIDDEN NETWORK"));
+    } else {
+        if (configuration.type() == QNetworkConfiguration::ServiceNetwork)
+            text->setHtml("<b>" + configuration.name() + "</b>");
+        else
+            text->setPlainText(configuration.name());
+    }
+
+    const qreal height = icon->boundingRect().height() + text->boundingRect().height();
+
+    icon->setPos(icon->boundingRect().width() / -2, height / -2);
+
+    text->setPos(text->boundingRect().width() / -2,
+                 height / 2 - text->boundingRect().height());
+
+    stateChanged(session->state());
+}
+//! [1]
+
+qreal Cloud::getRadiusForState(QNetworkConfiguration::StateFlags state)
+{
+    switch (state) {
+    case QNetworkConfiguration::Active:
+        return 100;
+        break;
+    case QNetworkConfiguration::Discovered:
+        return 150;
+        break;
+    case QNetworkConfiguration::Defined:
+        return 200;
+        break;
+    case QNetworkConfiguration::Undefined:
+        return 250;
+        break;
+    default:
+        return 300;
+    }
+}
+
diff --git a/examples/network/bearercloud/cloud.h b/examples/network/bearercloud/cloud.h
new file mode 100644
index 0000000..4ce43df
--- /dev/null
+++ b/examples/network/bearercloud/cloud.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qnetworkconfiguration.h>
+#include <qnetworksession.h>
+
+#include <QGraphicsItem>
+QTM_USE_NAMESPACE
+
+class QGraphicsTextItem;
+class QGraphicsSvgItem;
+
+class Cloud : public QObject, public QGraphicsItem
+{
+    Q_OBJECT
+    Q_INTERFACES(QGraphicsItem)
+
+public:
+    Cloud(const QNetworkConfiguration &config, QGraphicsItem *parent = 0);
+    ~Cloud();
+
+    enum { Type = UserType + 1 };
+    int type() const { return Type; }
+
+    void setFinalScale(qreal factor);
+    void setDeleteAfterAnimation(bool deleteAfter);
+
+    void calculateForces();
+
+    bool advance();
+    QRectF boundingRect() const;
+    void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
+
+    static qreal getRadiusForState(QNetworkConfiguration::StateFlags state);
+
+protected:
+    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
+
+private Q_SLOTS:
+    void stateChanged(QNetworkSession::State state);
+    void newConfigurationActivated();
+
+private:
+    QNetworkConfiguration configuration;
+    QNetworkSession *session;
+
+    QGraphicsTextItem *text;
+    QGraphicsSvgItem *icon;
+
+    qreal finalOpacity;
+    qreal finalScale;
+    qreal currentScale;
+
+    QPointF newPos;
+
+    bool deleteAfterAnimation;
+};
+
diff --git a/examples/network/bearercloud/icons.qrc b/examples/network/bearercloud/icons.qrc
new file mode 100644
index 0000000..84a8939
--- /dev/null
+++ b/examples/network/bearercloud/icons.qrc
@@ -0,0 +1,7 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+    <file>wlan.svg</file>
+    <file>lan.svg</file>
+    <file>unknown.svg</file>
+</qresource>
+</RCC>
diff --git a/examples/network/bearercloud/lan.svg b/examples/network/bearercloud/lan.svg
new file mode 100644
index 0000000..3cce805
--- /dev/null
+++ b/examples/network/bearercloud/lan.svg
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="25.000002"
+   height="9.6406126"
+   id="svg2"
+   sodipodi:version="0.32"
+   inkscape:version="0.46"
+   version="1.0"
+   sodipodi:docname="lan.svg"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape">
+  <defs
+     id="defs4">
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
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+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="744.09448 : 526.18109 : 1"
+       inkscape:persp3d-origin="372.04724 : 350.78739 : 1"
+       id="perspective10" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     gridtolerance="10000"
+     guidetolerance="10"
+     objecttolerance="10"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="19.416667"
+     inkscape:cx="15.244635"
+     inkscape:cy="11.639485"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     inkscape:window-width="1459"
+     inkscape:window-height="964"
+     inkscape:window-x="453"
+     inkscape:window-y="166" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-4.0978193e-8,-19.359387)">
+    <text
+       xml:space="preserve"
+       style="font-size:13.99289513px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Bitstream Vera Sans"
+       x="-1.1205248"
+       y="29"
+       id="text3239"><tspan
+         sodipodi:role="line"
+         id="tspan3241"
+         x="-1.1205248"
+         y="29">LAN</tspan></text>
+  </g>
+</svg>
diff --git a/examples/network/bearercloud/main.cpp b/examples/network/bearercloud/main.cpp
new file mode 100644
index 0000000..33c55e9
--- /dev/null
+++ b/examples/network/bearercloud/main.cpp
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "bearercloud.h"
+
+#include <QApplication>
+#include <QGraphicsView>
+
+class CloudView : public QGraphicsView
+{
+    Q_OBJECT
+
+public:
+    CloudView(QGraphicsScene *scene);
+    ~CloudView() { }
+
+protected:
+    void resizeEvent(QResizeEvent *) {
+        fitInView(sceneRect(), Qt::KeepAspectRatio);
+    }
+#ifdef Q_OS_WINCE
+    void hideEvent(QHideEvent *) {
+        qApp->quit();
+    }
+#endif
+};
+
+CloudView::CloudView(QGraphicsScene *scene)
+:   QGraphicsView(scene)
+{
+    setRenderHints(QPainter::TextAntialiasing | QPainter::Antialiasing |
+                   QPainter::SmoothPixmapTransform);
+#if defined (Q_OS_SYMBIAN) || defined (Q_OS_WINCE)
+    setWindowState(Qt::WindowMaximized);
+#endif
+}
+
+#include "main.moc"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    BearerCloud bearerCloud;
+
+    CloudView view(&bearerCloud);
+    view.show();
+
+    return app.exec();
+}
+
diff --git a/examples/network/bearercloud/unknown.svg b/examples/network/bearercloud/unknown.svg
new file mode 100644
index 0000000..fd10298
--- /dev/null
+++ b/examples/network/bearercloud/unknown.svg
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="25"
+   height="9.0681238"
+   id="svg2"
+   sodipodi:version="0.32"
+   inkscape:version="0.46"
+   version="1.0"
+   sodipodi:docname="unknown.svg"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape">
+  <defs
+     id="defs4">
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
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+       inkscape:persp3d-origin="372.04724 : 350.78739 : 1"
+       id="perspective10" />
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+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     gridtolerance="10000"
+     guidetolerance="10"
+     objecttolerance="10"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
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+     inkscape:current-layer="layer1"
+     showgrid="false"
+     inkscape:window-width="1459"
+     inkscape:window-height="964"
+     inkscape:window-x="453"
+     inkscape:window-y="166" />
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+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-6.891787e-8,-19.931876)">
+    <text
+       xml:space="preserve"
+       style="font-size:13.16195393px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Bitstream Vera Sans"
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+         sodipodi:role="line"
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+  </g>
+</svg>
diff --git a/examples/network/bearercloud/wlan.svg b/examples/network/bearercloud/wlan.svg
new file mode 100644
index 0000000..8b86089
--- /dev/null
+++ b/examples/network/bearercloud/wlan.svg
@@ -0,0 +1,151 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
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+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="27"
+   height="29"
+   id="svg2"
+   sodipodi:version="0.32"
+   inkscape:version="0.46"
+   version="1.0"
+   sodipodi:docname="wlan.svg"
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