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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D 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 QT3DCORE_QNODE_P_H
#define QT3DCORE_QNODE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <private/qobject_p.h>
#include <Qt3DCore/qnode.h>
#include <Qt3DCore/private/qobservableinterface_p.h>
#include <Qt3DCore/private/qchangearbiter_p.h>
#include <Qt3DCore/private/qt3dcore_global_p.h>
#include "propertychangehandler_p.h"
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
class QNode;
class QAspectEngine;
class QT3DCORE_PRIVATE_EXPORT QNodePrivate : public QObjectPrivate, public QObservableInterface
{
public:
QNodePrivate();
void setScene(QScene *scene);
QScene *scene() const;
void setArbiter(QLockableObserverInterface *arbiter) Q_DECL_OVERRIDE;
void notifyPropertyChange(const char *name, const QVariant &value);
void notifyObservers(const QSceneChangePtr &change) Q_DECL_OVERRIDE;
void insertTree(QNode *treeRoot, int depth = 0);
Q_DECLARE_PUBLIC(QNode)
// For now this just protects access to the m_changeArbiter.
// Later on we may decide to extend support for multiple observers.
QAbstractArbiter *m_changeArbiter;
QScene *m_scene;
mutable QNodeId m_id;
bool m_blockNotifications;
bool m_wasCleanedUp;
bool m_enabled;
static QNodePrivate *get(QNode *q);
static void nodePtrDeleter(QNode *q);
private:
void _q_addChild(QNode *childNode);
void _q_removeChild(QNode *childNode);
void registerNotifiedProperties();
void unregisterNotifiedProperties();
void propertyChanged(int propertyIndex);
void setSceneHelper(QNode *root);
void unsetSceneHelper(QNode *root);
void addEntityComponentToScene(QNode *root);
friend class PropertyChangeHandler<QNodePrivate>;
bool m_propertyChangesSetup;
PropertyChangeHandler<QNodePrivate> m_signals;
static QHash<QNodeId, QNode *> m_clonesLookupTable;
};
} // namespace Qt3DCore
QT_END_NAMESPACE
#endif // QT3DCORE_NODE_P_H
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