/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Labs Platform 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
** and conditions see http://www.qt.io/terms-conditions. For further
** 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
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** 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
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQUICKPLATFORMMENUBAR_P_H
#define QQUICKPLATFORMMENUBAR_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 <QtCore/qobject.h>
#include <QtQml/qqmlparserstatus.h>
#include <QtQml/qqmllist.h>
#include <QtQml/qqml.h>

QT_BEGIN_NAMESPACE

class QWindow;
class QPlatformMenuBar;
class QQuickPlatformMenu;

class QQuickPlatformMenuBar : public QObject, public QQmlParserStatus
{
    Q_OBJECT
    Q_INTERFACES(QQmlParserStatus)
    Q_PROPERTY(QQmlListProperty<QObject> data READ data FINAL)
    Q_PROPERTY(QQmlListProperty<QQuickPlatformMenu> menus READ menus NOTIFY menusChanged FINAL)
    Q_PROPERTY(QWindow *window READ window WRITE setWindow NOTIFY windowChanged FINAL)
    Q_CLASSINFO("DefaultProperty", "data")

public:
    explicit QQuickPlatformMenuBar(QObject *parent = nullptr);
    ~QQuickPlatformMenuBar();

    QPlatformMenuBar *handle() const;

    QQmlListProperty<QObject> data();
    QQmlListProperty<QQuickPlatformMenu> menus();

    QWindow *window() const;
    void setWindow(QWindow *window);

    Q_INVOKABLE void addMenu(QQuickPlatformMenu *menu);
    Q_INVOKABLE void insertMenu(int index, QQuickPlatformMenu *menu);
    Q_INVOKABLE void removeMenu(QQuickPlatformMenu *menu);
    Q_INVOKABLE void clear();

Q_SIGNALS:
    void menusChanged();
    void windowChanged();

protected:
    void classBegin() override;
    void componentComplete() override;

    QWindow *findWindow() const;

    static void data_append(QQmlListProperty<QObject> *property, QObject *object);
    static qsizetype data_count(QQmlListProperty<QObject> *property);
    static QObject *data_at(QQmlListProperty<QObject> *property, qsizetype index);
    static void data_clear(QQmlListProperty<QObject> *property);

    static void menus_append(QQmlListProperty<QQuickPlatformMenu> *property, QQuickPlatformMenu *menu);
    static qsizetype menus_count(QQmlListProperty<QQuickPlatformMenu> *property);
    static QQuickPlatformMenu *menus_at(QQmlListProperty<QQuickPlatformMenu> *property, qsizetype index);
    static void menus_clear(QQmlListProperty<QQuickPlatformMenu> *property);

private:
    bool m_complete;
    QWindow *m_window;
    QList<QObject *> m_data;
    QList<QQuickPlatformMenu *> m_menus;
    QPlatformMenuBar *m_handle;
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickPlatformMenuBar)

#endif // QQUICKPLATFORMMENUBAR_P_H
