/****************************************************************************+
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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 demonstration applications of the Qt Toolkit.+
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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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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef ITEM_CIRCLE_ANIMATION_H+
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#define ITEM_CIRCLE_ANIMATION_H+
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+
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#include <QtCore>+
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#include <QObject>+
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#include <QtGui>+
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#include <QTimeLine>+
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#include <QList>+
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#include "demoitem.h"+
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#include "letteritem.h"+
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#include "guideline.h"+
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#include "guidecircle.h"+
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+
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typedef QList<LetterItem *> LetterList;+
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class TickerEffect;+
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+
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class ItemCircleAnimation : public QObject, public DemoItem+
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{+
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public:+
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    ItemCircleAnimation(QGraphicsScene *scene = 0, QGraphicsItem *parent = 0);+
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    virtual ~ItemCircleAnimation();+
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+
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    // overidden methods:+
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    QRectF boundingRect() const;+
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    void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = 0);+
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    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);+
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    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);+
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    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);+
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    void mousePressEvent(QGraphicsSceneMouseEvent *event);+
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    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);+
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    void wheelEvent(QGraphicsSceneWheelEvent *event);+
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    void animationStarted(int id = 0);+
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    void animationStopped(int id = 0);+
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    void prepare();+
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    void tick();+
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    void switchToNextEffect();+
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    void useGuideQt();+
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    void useGuideTt();+
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    void pause(bool on);+
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+
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    bool tickOnPaint;+
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    bool paused;+
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    bool doIntroTransitions;+
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+
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private:+
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    void setupLetters();+
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    void createLetter(char c);+
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    void setupGuides();+
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    void useGuide(Guide *guide, int firstLetter, int lastLetter);+
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    void swapModel();+
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    void setTickerScale(float s);+
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+
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    int showCount;+
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    float scale;+
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    QPointF mouseMoveLastPosition;+
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    int letterCount;+
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    LetterList *letterList;+
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    Guide *qtGuide1;+
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    Guide *qtGuide2;+
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    Guide *qtGuide3;+
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    Guide *currGuide;+
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    TickerEffect *effect;+
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    QTime tickTimer;+
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};+
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+
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#endif // ITEM_CIRCLE_ANIMATION_H+
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