/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL21$
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
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****************************************************************************/

#ifndef QACCESSIBLEWIDGET_H
#define QACCESSIBLEWIDGET_H

#include <QtGui/qaccessibleobject.h>

QT_BEGIN_NAMESPACE


#ifndef QT_NO_ACCESSIBILITY

class QAccessibleWidgetPrivate;

class Q_WIDGETS_EXPORT QAccessibleWidget : public QAccessibleObject, public QAccessibleActionInterface
{
public:
    explicit QAccessibleWidget(QWidget *o, QAccessible::Role r = QAccessible::Client, const QString& name = QString());
    bool isValid() const Q_DECL_OVERRIDE;

    QWindow *window() const Q_DECL_OVERRIDE;
    int childCount() const Q_DECL_OVERRIDE;
    int indexOfChild(const QAccessibleInterface *child) const Q_DECL_OVERRIDE;
    QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > relations(QAccessible::Relation match = QAccessible::AllRelations) const Q_DECL_OVERRIDE;
    QAccessibleInterface *focusChild() const Q_DECL_OVERRIDE;

    QRect rect() const Q_DECL_OVERRIDE;

    QAccessibleInterface *parent() const Q_DECL_OVERRIDE;
    QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;

    QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
    QAccessible::Role role() const Q_DECL_OVERRIDE;
    QAccessible::State state() const Q_DECL_OVERRIDE;

    QColor foregroundColor() const Q_DECL_OVERRIDE;
    QColor backgroundColor() const Q_DECL_OVERRIDE;

    void *interface_cast(QAccessible::InterfaceType t) Q_DECL_OVERRIDE;

    // QAccessibleActionInterface
    QStringList actionNames() const Q_DECL_OVERRIDE;
    void doAction(const QString &actionName) Q_DECL_OVERRIDE;
    QStringList keyBindingsForAction(const QString &actionName) const Q_DECL_OVERRIDE;
protected:
    ~QAccessibleWidget();
    QWidget *widget() const;
    QObject *parentObject() const;

    void addControllingSignal(const QString &signal);

private:
    QAccessibleWidgetPrivate *d;
    Q_DISABLE_COPY(QAccessibleWidget)
};


#endif // QT_NO_ACCESSIBILITY

QT_END_NAMESPACE

#endif // QACCESSIBLEWIDGET_H