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****************************************************************************/

#ifndef BROWSER_ACCESSIBILITY_QT_H
#define BROWSER_ACCESSIBILITY_QT_H

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

#ifndef QT_NO_ACCESSIBILITY

namespace content {

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

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

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

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

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

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

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

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

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

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

    void modelChange(QAccessibleTableModelChangeEvent *event) override;
};

const BrowserAccessibilityQt *ToBrowserAccessibilityQt(const BrowserAccessibility *obj);
QAccessibleInterface *toQAccessibleInterface(BrowserAccessibility *acc);

} // namespace content

#endif // QT_NO_ACCESSIBILITY
#endif