/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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
** Software or, alternatively, in accordance with the terms contained in
** 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.
**
** 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
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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 QWAYLANDQUICKSHELLSURFACEITEM_P_H
#define QWAYLANDQUICKSHELLSURFACEITEM_P_H

#include <QtWaylandCompositor/private/qwaylandquickitem_p.h>
#include <QtCore/QBasicTimer>

#include <functional>

QT_BEGIN_NAMESPACE

//
//  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.
//

class QWaylandQuickShellIntegration;
class QWaylandShellSurface;

class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandQuickShellSurfaceItemPrivate : public QWaylandQuickItemPrivate
{
public:
    QWaylandQuickShellSurfaceItemPrivate()
        : QWaylandQuickItemPrivate()
        , m_shellIntegration(nullptr)
        , m_shellSurface(nullptr)
        , m_moveItem(nullptr)
    {}
    QWaylandQuickShellIntegration *m_shellIntegration;
    QWaylandShellSurface *m_shellSurface;
    QQuickItem *m_moveItem;
};

class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandQuickShellIntegration : public QObject
{
    Q_OBJECT
public:
    QWaylandQuickShellIntegration(QObject *parent = nullptr) : QObject(parent) {}
    virtual bool mouseMoveEvent(QMouseEvent *) { return false; }
    virtual bool mouseReleaseEvent(QMouseEvent *) { return false; }
};

class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandQuickShellEventFilter : public QObject
{
    Q_OBJECT
public:
    typedef std::function<void()> CallbackFunction;
    static void startFilter(QWaylandClient *client, CallbackFunction closePopupCallback);
    static void cancelFilter();

protected:
    void timerEvent(QTimerEvent *event) override;

private:
    void stopFilter();

    QWaylandQuickShellEventFilter(QObject *parent = nullptr);
    bool eventFilter(QObject *, QEvent *) override;
    bool eventFilterInstalled;
    bool waitForRelease;
    QPointer<QWaylandClient> client;
    CallbackFunction closePopups;
    QBasicTimer mousePressTimeout;
    static QWaylandQuickShellEventFilter *self;
};

QT_END_NAMESPACE

#endif // QWAYLANDQUICKSHELLSURFACEITEM_P_H
