/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2013 Klarälvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** a written agreement between you and The Qt Company. For licensing terms
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** information use the contact form at http://www.qt.io/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QTWAYLAND_QWLTOUCH_P_H
#define QTWAYLAND_QWLTOUCH_P_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 <QtWaylandCompositor/qwaylandexport.h>
#include <QtWaylandCompositor/QWaylandDestroyListener>
#include <QtWaylandCompositor/QWaylandTouch>
#include <QtWaylandCompositor/QWaylandInputDevice>
#include <QtWaylandCompositor/QWaylandView>
#include <QtWaylandCompositor/QWaylandCompositor>

#include <QtCore/QPoint>
#include <QtCore/private/qobject_p.h>

#include <QtWaylandCompositor/private/qwayland-server-wayland.h>

QT_BEGIN_NAMESPACE

class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandTouchPrivate : public QObjectPrivate, public QtWaylandServer::wl_touch
{
    Q_DECLARE_PUBLIC(QWaylandTouch)
public:
    explicit QWaylandTouchPrivate(QWaylandTouch *touch, QWaylandInputDevice *seat);

    QWaylandCompositor *compositor() const { return seat->compositor(); }

    void sendDown(uint32_t time, int touch_id, const QPointF &position);
    void sendMotion(uint32_t time, int touch_id, const QPointF &position);
    void sendUp(uint32_t time, int touch_id);

    void setFocusResource()
    {
        if (focusResource)
            return;

        QWaylandView *mouseFocus = seat->mouseFocus();
        if (!mouseFocus || !mouseFocus->surface())
            return;

        focusResource = resourceMap().value(mouseFocus->surface()->waylandClient());
    }
private:
    void resetFocusState();
    void touch_bind_resource(Resource *resource) Q_DECL_OVERRIDE;
    void touch_destroy_resource(Resource *resource) Q_DECL_OVERRIDE;
    void touch_release(Resource *resource) Q_DECL_OVERRIDE;

    QWaylandInputDevice *seat;

    Resource *focusResource;
    QWaylandDestroyListener focusDestroyListener;
};

QT_END_NAMESPACE

#endif // QTWAYLAND_QWLTOUCH_P_H
