/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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****************************************************************************/

#ifndef BROWSER_ACCESSIBILITY_QT_H
#define BROWSER_ACCESSIBILITY_QT_H

#include <QtGui/qaccessible.h>
#ifndef QT_NO_ACCESSIBILITY
#include "content/browser/accessibility/browser_accessibility.h"

namespace content {

class BrowserAccessibilityQt
    : public BrowserAccessibility
    , public QAccessibleInterface
    , public QAccessibleActionInterface
    , public QAccessibleTextInterface
    , public QAccessibleValueInterface
    , public QAccessibleTableInterface
    , public QAccessibleTableCellInterface
{
public:
    BrowserAccessibilityQt();

    // QAccessibleInterface
    virtual bool isValid() const Q_DECL_OVERRIDE;
    virtual QObject *object() const Q_DECL_OVERRIDE;
    virtual QAccessibleInterface *childAt(int x, int y) const Q_DECL_OVERRIDE;
    virtual void *interface_cast(QAccessible::InterfaceType type) Q_DECL_OVERRIDE;

    // navigation, hierarchy
    virtual QAccessibleInterface *parent() const Q_DECL_OVERRIDE;
    virtual QAccessibleInterface *child(int index) const Q_DECL_OVERRIDE;
    virtual int childCount() const Q_DECL_OVERRIDE;
    virtual int indexOfChild(const QAccessibleInterface *) const Q_DECL_OVERRIDE;

    // properties and state
    virtual QString text(QAccessible::Text t) const Q_DECL_OVERRIDE;
    virtual void setText(QAccessible::Text t, const QString &text) Q_DECL_OVERRIDE;
    virtual QRect rect() const Q_DECL_OVERRIDE;
    virtual QAccessible::Role role() const Q_DECL_OVERRIDE;
    virtual QAccessible::State state() const Q_DECL_OVERRIDE;

    // BrowserAccessible
    void NativeAddReference() Q_DECL_OVERRIDE;
    void NativeReleaseReference() Q_DECL_OVERRIDE;
    bool IsNative() const Q_DECL_OVERRIDE { return true; }

    // QAccessibleActionInterface
    QStringList actionNames() const Q_DECL_OVERRIDE;
    void doAction(const QString &actionName) Q_DECL_OVERRIDE;
    QStringList keyBindingsForAction(const QString &actionName) const Q_DECL_OVERRIDE;

    // QAccessibleTextInterface
    void addSelection(int startOffset, int endOffset) Q_DECL_OVERRIDE;
    QString attributes(int offset, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
    int cursorPosition() const Q_DECL_OVERRIDE;
    QRect characterRect(int offset) const Q_DECL_OVERRIDE;
    int selectionCount() const Q_DECL_OVERRIDE;
    int offsetAtPoint(const QPoint &point) const Q_DECL_OVERRIDE;
    void selection(int selectionIndex, int *startOffset, int *endOffset) const Q_DECL_OVERRIDE;
    QString text(int startOffset, int endOffset) const Q_DECL_OVERRIDE;
    void removeSelection(int selectionIndex) Q_DECL_OVERRIDE;
    void setCursorPosition(int position) Q_DECL_OVERRIDE;
    void setSelection(int selectionIndex, int startOffset, int endOffset) Q_DECL_OVERRIDE;
    int characterCount() const Q_DECL_OVERRIDE;
    void scrollToSubstring(int startIndex, int endIndex) Q_DECL_OVERRIDE;

    // QAccessibleValueInterface
    QVariant currentValue() const Q_DECL_OVERRIDE;
    void setCurrentValue(const QVariant &value) Q_DECL_OVERRIDE;
    QVariant maximumValue() const Q_DECL_OVERRIDE;
    QVariant minimumValue() const Q_DECL_OVERRIDE;
    QVariant minimumStepSize() const Q_DECL_OVERRIDE;

    // QAccessibleTableInterface
    virtual QAccessibleInterface *cellAt(int row, int column) const Q_DECL_OVERRIDE;
    virtual QAccessibleInterface *caption() const Q_DECL_OVERRIDE;
    virtual QAccessibleInterface *summary() const Q_DECL_OVERRIDE;
    virtual QString columnDescription(int column) const Q_DECL_OVERRIDE;
    virtual QString rowDescription(int row) const Q_DECL_OVERRIDE;
    virtual int columnCount() const Q_DECL_OVERRIDE;
    virtual int rowCount() const Q_DECL_OVERRIDE;
    // selection
    virtual int selectedCellCount() const Q_DECL_OVERRIDE;
    virtual int selectedColumnCount() const Q_DECL_OVERRIDE;
    virtual int selectedRowCount() const Q_DECL_OVERRIDE;
    virtual QList<QAccessibleInterface*> selectedCells() const Q_DECL_OVERRIDE;
    virtual QList<int> selectedColumns() const Q_DECL_OVERRIDE;
    virtual QList<int> selectedRows() const Q_DECL_OVERRIDE;
    virtual bool isColumnSelected(int column) const Q_DECL_OVERRIDE;
    virtual bool isRowSelected(int row) const Q_DECL_OVERRIDE;
    virtual bool selectRow(int row) Q_DECL_OVERRIDE;
    virtual bool selectColumn(int column) Q_DECL_OVERRIDE;
    virtual bool unselectRow(int row) Q_DECL_OVERRIDE;
    virtual bool unselectColumn(int column) Q_DECL_OVERRIDE;

    // QAccessibleTableCellInterface
    virtual int columnExtent() const Q_DECL_OVERRIDE;
    virtual QList<QAccessibleInterface*> columnHeaderCells() const Q_DECL_OVERRIDE;
    virtual int columnIndex() const Q_DECL_OVERRIDE;
    virtual int rowExtent() const Q_DECL_OVERRIDE;
    virtual QList<QAccessibleInterface*> rowHeaderCells() const Q_DECL_OVERRIDE;
    virtual int rowIndex() const Q_DECL_OVERRIDE;
    virtual bool isSelected() const Q_DECL_OVERRIDE;
    virtual QAccessibleInterface* table() const Q_DECL_OVERRIDE;

    virtual void modelChange(QAccessibleTableModelChangeEvent *event) Q_DECL_OVERRIDE;
};

}

#endif // QT_NO_ACCESSIBILITY
#endif