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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Compositor.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef WLDATADEVICE_H
#define WLDATADEVICE_H

#include <qwayland-server-wayland.h>
#include <qwlpointer_p.h>

QT_BEGIN_NAMESPACE

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(Surface *focus, const QPointF &localPosition);

    Surface *dragIcon() const;

    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;

    Surface *m_dragFocus;
    Resource *m_dragFocusResource;

    Surface *m_dragIcon;
};

}

QT_END_NAMESPACE

#endif // WLDATADEVICE_H