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// Copyright (C) 2016 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 QQUICKLOADER_P_P_H
#define QQUICKLOADER_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 "qquickloader_p.h"
#include "qquickimplicitsizeitem_p_p.h"
#include "qquickitemchangelistener_p.h"
#include <qqmlincubator.h>
#include <private/qv4staticvalue_p.h>
#include <private/qv4persistent_p.h>
QT_BEGIN_NAMESPACE
class QQuickLoaderPrivate;
class QQuickLoaderIncubator : public QQmlIncubator
{
public:
QQuickLoaderIncubator(QQuickLoaderPrivate *l, IncubationMode mode) : QQmlIncubator(mode), loader(l) {}
protected:
void statusChanged(Status) override;
void setInitialState(QObject *) override;
private:
QQuickLoaderPrivate *loader;
};
class QQmlContext;
class QQuickLoaderPrivate : public QQuickImplicitSizeItemPrivate, public QQuickItemChangeListener
{
Q_DECLARE_PUBLIC(QQuickLoader)
public:
QQuickLoaderPrivate();
~QQuickLoaderPrivate();
void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &oldGeometry) override;
void itemImplicitWidthChanged(QQuickItem *) override;
void itemImplicitHeightChanged(QQuickItem *) override;
void clear();
void initResize();
void load();
void incubatorStateChanged(QQmlIncubator::Status status);
void setInitialState(QObject *o);
void disposeInitialPropertyValues();
QQuickLoader::Status computeStatus() const;
void updateStatus();
void createComponent();
qreal getImplicitWidth() const override;
qreal getImplicitHeight() const override;
QUrl source;
QQuickItem *item;
QObject *object;
QQmlStrongJSQObjectReference<QQmlComponent> component;
QQmlContext *itemContext;
QQuickLoaderIncubator *incubator;
QV4::PersistentValue initialPropertyValues;
QV4::PersistentValue qmlCallingContext;
bool updatingSize: 1;
bool active : 1;
bool loadingFromSource : 1;
bool asynchronous : 1;
// We need to use char instead of QQuickLoader::Status
// as otherwise the size of the class would increase
// on 32-bit systems, as sizeof(Status) == sizeof(int)
// and sizeof(int) > remaining padding on 32 bit
char status;
void _q_sourceLoaded();
void _q_updateSize(bool loaderGeometryChanged = true);
};
QT_END_NAMESPACE
#endif // QQUICKLOADER_P_P_H
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