qquickview_p.h

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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 QQUICKVIEW_P_H
#define QQUICKVIEW_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 "qquickview.h"
 
#include <QtCore/qurl.h>
#include <QtCore/qelapsedtimer.h>
#include <QtCore/qtimer.h>
#include <QtCore/qpointer.h>
#include <QtCore/QWeakPointer>
 
#include <QtQml/qqmlengine.h>
#include "qquickwindow_p.h"
 
#include "qquickitemchangelistener_p.h"
 
QT_BEGIN_NAMESPACE
 
class QQmlContext;
class QQmlError;
class QQuickItem;
class QQmlComponent;
 
class Q_QUICK_EXPORT QQuickViewPrivate : public QQuickWindowPrivate,
                       public QQuickItemChangeListener
{
    Q_DECLARE_PUBLIC(QQuickView)
public:
    static QQuickViewPrivate* get(QQuickView *view) { return view->d_func(); }
    static const QQuickViewPrivate* get(const QQuickView *view) { return view->d_func(); }
 
    QQuickViewPrivate();
    ~QQuickViewPrivate();
 
    enum ExecuteState { Continue, Stop };
    ExecuteState executeHelper();
    void execute();
    void execute(QAnyStringView uri, QAnyStringView typeName);
    void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &) override;
    void initResize();
    void updateSize();
    bool setRootObject(QObject *);
 
    void init(QQmlEngine* e = nullptr);
 
    QSize rootObjectSize() const;
 
    QPointer<QQuickItem> root;
 
    QUrl source;
 
    QPointer<QQmlEngine> engine;
    QQmlComponent *component;
    QBasicTimer resizetimer;
 
    QQuickView::ResizeMode resizeMode;
    QSize initialSize;
    QElapsedTimer frameTimer;
 
    QVariantMap initialProperties;
};
 
QT_END_NAMESPACE
 
#endif // QQUICKVIEW_P_H