/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the commercial license agreement provided with the
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** information use the contact form at https://www.qt.io/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QQUICKSCROLLINDICATOR_P_H
#define QQUICKSCROLLINDICATOR_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtQuickTemplates2/private/qquickcontrol_p.h>

QT_BEGIN_NAMESPACE

class QQuickFlickable;
class QQuickScrollIndicatorAttached;
class QQuickScrollIndicatorPrivate;

class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickScrollIndicator : public QQuickControl
{
    Q_OBJECT
    Q_PROPERTY(qreal size READ size WRITE setSize NOTIFY sizeChanged FINAL)
    Q_PROPERTY(qreal position READ position WRITE setPosition NOTIFY positionChanged FINAL)
    Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged FINAL)
    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation NOTIFY orientationChanged FINAL)
    // 2.3 (Qt 5.10)
    Q_PROPERTY(bool horizontal READ isHorizontal NOTIFY orientationChanged FINAL REVISION(2, 3))
    Q_PROPERTY(bool vertical READ isVertical NOTIFY orientationChanged FINAL REVISION(2, 3))
    // 2.4 (Qt 5.11)
    Q_PROPERTY(qreal minimumSize READ minimumSize WRITE setMinimumSize NOTIFY minimumSizeChanged FINAL REVISION(2, 4))
    Q_PROPERTY(qreal visualSize READ visualSize NOTIFY visualSizeChanged FINAL REVISION(2, 4))
    Q_PROPERTY(qreal visualPosition READ visualPosition NOTIFY visualPositionChanged FINAL REVISION(2, 4))
    QML_NAMED_ELEMENT(ScrollIndicator)
    QML_ATTACHED(QQuickScrollIndicatorAttached)
    QML_ADDED_IN_VERSION(2, 0)

public:
    explicit QQuickScrollIndicator(QQuickItem *parent = nullptr);

    static QQuickScrollIndicatorAttached *qmlAttachedProperties(QObject *object);

    qreal size() const;
    qreal position() const;

    bool isActive() const;
    void setActive(bool active);

    Qt::Orientation orientation() const;
    void setOrientation(Qt::Orientation orientation);

    // 2.3 (Qt 5.10)
    bool isHorizontal() const;
    bool isVertical() const;

    // 2.4 (Qt 5.11)
    qreal minimumSize() const;
    void setMinimumSize(qreal minimumSize);

    qreal visualSize() const;
    qreal visualPosition() const;

public Q_SLOTS:
    void setSize(qreal size);
    void setPosition(qreal position);

Q_SIGNALS:
    void sizeChanged();
    void positionChanged();
    void activeChanged();
    void orientationChanged();
    // 2.4 (Qt 5.11)
    Q_REVISION(2, 4) void minimumSizeChanged();
    Q_REVISION(2, 4) void visualSizeChanged();
    Q_REVISION(2, 4) void visualPositionChanged();

protected:
#if QT_CONFIG(quicktemplates2_multitouch)
    void touchEvent(QTouchEvent *event) override;
#endif

#if QT_CONFIG(accessibility)
    QAccessible::Role accessibleRole() const override;
#endif

private:
    Q_DISABLE_COPY(QQuickScrollIndicator)
    Q_DECLARE_PRIVATE(QQuickScrollIndicator)
};

class QQuickScrollIndicatorAttachedPrivate;

class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickScrollIndicatorAttached : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QQuickScrollIndicator *horizontal READ horizontal WRITE setHorizontal NOTIFY horizontalChanged FINAL)
    Q_PROPERTY(QQuickScrollIndicator *vertical READ vertical WRITE setVertical NOTIFY verticalChanged FINAL)

public:
    explicit QQuickScrollIndicatorAttached(QObject *parent = nullptr);
    ~QQuickScrollIndicatorAttached();

    QQuickScrollIndicator *horizontal() const;
    void setHorizontal(QQuickScrollIndicator *horizontal);

    QQuickScrollIndicator *vertical() const;
    void setVertical(QQuickScrollIndicator *vertical);

Q_SIGNALS:
    void horizontalChanged();
    void verticalChanged();

private:
    Q_DISABLE_COPY(QQuickScrollIndicatorAttached)
    Q_DECLARE_PRIVATE(QQuickScrollIndicatorAttached)
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickScrollIndicator)
QML_DECLARE_TYPEINFO(QQuickScrollIndicator, QML_HAS_ATTACHED_PROPERTIES)

#endif // QQUICKSCROLLINDICATOR_P_H
