diff -r 5d007b20cfd0 -r cd2778e5acfe qtmobility/examples/bearercloud/bearercloud.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/examples/bearercloud/bearercloud.cpp	Wed Sep 01 12:15:07 2010 +0100
@@ -0,0 +1,196 @@
+/****************************************************************************
+**
+** 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 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 "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]
+