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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 { return m_propertyValues.count(); }
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, 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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