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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 QQMLCONTEXT_P_H
#define QQMLCONTEXT_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/qlist.h>
#include <QtCore/qstring.h>
#include <QtCore/qvariant.h>
#include <QtCore/qpointer.h>
#include <QtQml/qqmlcontext.h>
#include <QtQml/qqmllist.h>
#include <QtCore/private/qobject_p.h>
#include <QtCore/qtaggedpointer.h>
#include <QtQml/private/qqmlrefcount_p.h>
QT_BEGIN_NAMESPACE
class QQmlContextData;
class QQmlContextPrivate : public QObjectPrivate
{
Q_DECLARE_PUBLIC(QQmlContext)
public:
static QQmlContextPrivate *get(QQmlContext *context) {
return static_cast<QQmlContextPrivate *>(QObjectPrivate::get(context));
}
static QQmlContext *get(QQmlContextPrivate *context) {
return static_cast<QQmlContext *>(context->q_func());
}
static qsizetype context_count(QQmlListProperty<QObject> *);
static QObject *context_at(QQmlListProperty<QObject> *, qsizetype);
void dropDestroyedQObject(const QString &name, QObject *destroyed);
int notifyIndex() const { return m_notifyIndex; }
void setNotifyIndex(int notifyIndex) { m_notifyIndex = notifyIndex; }
int numPropertyValues() const {
auto size = m_propertyValues.size();
Q_ASSERT(size <= std::numeric_limits<int>::max());
return int(size);
}
void appendPropertyValue(const QVariant &value) { m_propertyValues.append(value); }
void setPropertyValue(int index, const QVariant &value) { m_propertyValues[index] = value; }
QVariant propertyValue(int index) const { return m_propertyValues[index]; }
QList<QPointer<QObject>> instances() const { return m_instances; }
void appendInstance(QObject *instance) { m_instances.append(instance); }
void cleanInstances()
{
for (auto it = m_instances.begin(); it != m_instances.end();
it->isNull() ? (it = m_instances.erase(it)) : ++it) {}
}
void emitDestruction();
private:
friend class QQmlContextData;
QQmlContextPrivate(QQmlContextData *data) : m_data(data) {}
QQmlContextPrivate(QQmlContext *publicContext, const QQmlRefPointer<QQmlContextData> &parent,
QQmlEngine *engine = nullptr);
// Intentionally a bare pointer. QQmlContextData knows whether it owns QQmlContext or vice
// versa. If QQmlContext is the owner, QQmlContextData keeps an extra ref for its publicContext.
// The publicContext ref is released when doing QQmlContextData::setPublicContext(nullptr).
QQmlContextData *m_data;
QList<QVariant> m_propertyValues;
int m_notifyIndex = -1;
// Only used for debugging
QList<QPointer<QObject>> m_instances;
};
QT_END_NAMESPACE
#endif // QQMLCONTEXT_P_H
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