qtmobility/examples/bearercloud/cloud.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 01 Apr 2010 08:30:34 +0300
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/****************************************************************************
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**
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** Copyright (C) 2009 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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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <qnetworkconfiguration.h>
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#include <qnetworksession.h>
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#include <QGraphicsItem>
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QTM_USE_NAMESPACE
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QT_BEGIN_NAMESPACE
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class QGraphicsTextItem;
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class QGraphicsSvgItem;
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QT_END_NAMESPACE
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class Cloud : public QObject, public QGraphicsItem
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{
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    Q_OBJECT
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    Q_INTERFACES(QGraphicsItem)
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public:
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    Cloud(const QNetworkConfiguration &config, QGraphicsItem *parent = 0);
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    ~Cloud();
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    enum { Type = UserType + 1 };
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    int type() const { return Type; }
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    void setFinalScale(qreal factor);
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    void setDeleteAfterAnimation(bool deleteAfter);
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    void calculateForces();
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    bool advance();
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    QRectF boundingRect() const;
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    void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
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    static qreal getRadiusForState(QNetworkConfiguration::StateFlags state);
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protected:
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    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
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private Q_SLOTS:
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    void stateChanged(QNetworkSession::State state);
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    void newConfigurationActivated();
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private:
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    QNetworkConfiguration configuration;
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    QNetworkSession *session;
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    QGraphicsTextItem *text;
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    QGraphicsSvgItem *icon;
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    qreal finalOpacity;
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    qreal finalScale;
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    qreal currentScale;
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    QPointF newPos;
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    bool deleteAfterAnimation;
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};
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