// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QQUICKCONTAINER_P_P_H
#define QQUICKCONTAINER_P_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 <QtQuickTemplates2/private/qquickcontainer_p.h>
#include <QtQuickTemplates2/private/qquickcontrol_p_p.h>
#include <private/qqmlobjectmodel_p.h>

QT_BEGIN_NAMESPACE

class Q_QUICKTEMPLATES2_EXPORT QQuickContainerPrivate : public QQuickControlPrivate
{
public:
    Q_DECLARE_PUBLIC(QQuickContainer)

    static QQuickContainerPrivate *get(QQuickContainer *container)
    {
        return container->d_func();
    }

    void init();
    void cleanup();

    QQuickItem *itemAt(int index) const;
    void insertItem(int index, QQuickItem *item);
    void moveItem(int from, int to, QQuickItem *item);
    void removeItem(int index, QQuickItem *item);
    void reorderItems();
    void maybeCullItem(QQuickItem *item);
    void maybeCullItems();

    void _q_currentIndexChanged();

    void itemChildAdded(QQuickItem *item, QQuickItem *child) override;
    void itemSiblingOrderChanged(QQuickItem *item) override;
    void itemParentChanged(QQuickItem *item, QQuickItem *parent) override;
    void itemDestroyed(QQuickItem *item) override;

    static void contentData_append(QQmlListProperty<QObject> *prop, QObject *obj);
    static qsizetype contentData_count(QQmlListProperty<QObject> *prop);
    static QObject *contentData_at(QQmlListProperty<QObject> *prop, qsizetype index);
    static void contentData_clear(QQmlListProperty<QObject> *prop);

    static void contentChildren_append(QQmlListProperty<QQuickItem> *prop, QQuickItem *obj);
    static qsizetype contentChildren_count(QQmlListProperty<QQuickItem> *prop);
    static QQuickItem *contentChildren_at(QQmlListProperty<QQuickItem> *prop, qsizetype index);
    static void contentChildren_clear(QQmlListProperty<QQuickItem> *prop);

    void updateContentWidth();
    void updateContentHeight();

    qreal getContentWidth() const override;
    qreal getContentHeight() const override;

    bool hasContentWidth = false;
    bool hasContentHeight = false;
    qreal contentWidth = 0;
    qreal contentHeight = 0;
    QObjectList contentData;
    QQmlObjectModel *contentModel = nullptr;
    qsizetype currentIndex = -1;
    bool updatingCurrent = false;
    QQuickItemPrivate::ChangeTypes changeTypes = Destroyed | Parent | SiblingOrder;
};

QT_END_NAMESPACE

#endif // QQUICKCONTAINER_P_P_H
