/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** General Public License version 3 as published by the Free Software
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
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****************************************************************************/

#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
