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#ifndef WLDATADEVICE_H
#define WLDATADEVICE_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 <QtCompositor/private/qwayland-server-wayland.h>
#include <qwlpointer_p.h>

QT_BEGIN_NAMESPACE

class QWaylandSurfaceView;

namespace QtWayland {

class Compositor;
class DataSource;
class InputDevice;
class Surface;

class DataDevice : public QtWaylandServer::wl_data_device, public PointerGrabber
{
public:
    DataDevice(InputDevice *inputDevice);

    void setFocus(QtWaylandServer::wl_keyboard::Resource *focusResource);

    void setDragFocus(QWaylandSurfaceView *focus, const QPointF &localPosition);

    QWaylandSurfaceView *dragIcon() const;

    void sourceDestroyed(DataSource *source);

    void focus() Q_DECL_OVERRIDE;
    void motion(uint32_t time) Q_DECL_OVERRIDE;
    void button(uint32_t time, Qt::MouseButton button, uint32_t state) Q_DECL_OVERRIDE;
protected:
    void data_device_start_drag(Resource *resource, struct ::wl_resource *source, struct ::wl_resource *origin, struct ::wl_resource *icon, uint32_t serial) Q_DECL_OVERRIDE;
    void data_device_set_selection(Resource *resource, struct ::wl_resource *source, uint32_t serial) Q_DECL_OVERRIDE;

private:
    Compositor *m_compositor;
    InputDevice *m_inputDevice;

    DataSource *m_selectionSource;

    struct ::wl_client *m_dragClient;
    DataSource *m_dragDataSource;

    QWaylandSurfaceView *m_dragFocus;
    Resource *m_dragFocusResource;

    QWaylandSurfaceView *m_dragIcon;
};

}

QT_END_NAMESPACE

#endif // WLDATADEVICE_H