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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: qt-info@nokia.com
**
** This software, including documentation, is protected by copyright
** controlled by Nokia Corporation. You may use this software in
** accordance with the terms and conditions contained in the Qt Phone
** Demo License Agreement.
**
****************************************************************************/
#ifndef SCROLLBAR_H
#define SCROLLBAR_H
#include <QObject>
#include <QString>
#include <QTimer>
#include <QGraphicsPixmapItem>
#include <QPropertyAnimation>
#include <QAbstractAnimation>
class ScrollBar: public QObject, public QGraphicsPixmapItem
{
Q_OBJECT
public:
ScrollBar(QGraphicsItem* parent);
virtual ~ScrollBar() {}
void updateUI();
qreal maximum();
void setMaximum(qreal max);
qreal value();
void setValue(qreal);
Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity);
public slots:
void updatePosition(qreal);
void setLandscapeOrientation();
void setPortraitOrientation();
private slots:
void animationFinished();
void timeout();
private:
QPropertyAnimation* propertyAnimation(const char* name);
QAbstractAnimation* showAnimation();
QAbstractAnimation* hideAnimation();
void startTimer();
enum State {
Hidden,
ShowAnimation,
Visible,
HideAnimation
};
State m_state;
qreal m_maximum;
qreal m_value;
QTimer m_timer;
QAbstractAnimation* m_animation;
QGraphicsPixmapItem m_knob;
};
#endif /* SCROLLBAR_H */
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