--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/examples/bearercloud/bearercloud.cpp	Thu Apr 01 08:30:34 2010 +0300
@@ -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]
+