/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Copyright (C) 2012 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author James Turner <james.turner@kdab.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** information use the contact form at https://www.qt.io/contact-us.
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** General Public License version 2.0 or (at your option) the GNU General
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** Qt Foundation. The licenses are as published by the Free Software
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****************************************************************************/

#ifndef QCOCOAMENUBAR_H
#define QCOCOAMENUBAR_H

#include <QtCore/QList>
#include <qpa/qplatformmenu.h>
#include "qcocoamenu.h"

QT_BEGIN_NAMESPACE

class QCocoaWindow;

class QCocoaMenuBar : public QPlatformMenuBar
                    , public QNativeInterface::Private::QCocoaMenuBar
{
    Q_OBJECT
public:
    QCocoaMenuBar();
    ~QCocoaMenuBar();

    void insertMenu(QPlatformMenu *menu, QPlatformMenu* before) override;
    void removeMenu(QPlatformMenu *menu) override;
    void syncMenu(QPlatformMenu *menuItem) override;
    void handleReparent(QWindow *newParentWindow) override;
    QWindow *parentWindow() const override;
    QPlatformMenu *menuForTag(quintptr tag) const override;

    NSMenu *nsMenu() const override { return m_nativeMenu; }

    static void updateMenuBarImmediately();
    static void insertWindowMenu();

    QList<QCocoaMenuItem*> merged() const;
    NSMenuItem *itemForRole(QPlatformMenuItem::MenuRole role);
    QCocoaWindow *cocoaWindow() const;

    void syncMenu_helper(QPlatformMenu *menu, bool menubarUpdate);

private:
    static QCocoaWindow *findWindowForMenubar();
    static QCocoaMenuBar *findGlobalMenubar();

    bool needsImmediateUpdate();
    bool shouldDisable(QCocoaWindow *active) const;
    void insertDefaultEditItems(QCocoaMenu *menu);

    NSMenuItem *nativeItemForMenu(QCocoaMenu *menu) const;

    QList<QPointer<QCocoaMenu> > m_menus;
    NSMenu *m_nativeMenu;
    QPointer<QCocoaWindow> m_window;
    QList<QPointer<QCocoaMenuItem>> m_defaultEditMenuItems;
};

QT_END_NAMESPACE

#endif
