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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMLBINDINGOPTIMIZATIONS_P_H
#define QMLBINDINGOPTIMIZATIONS_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 "qmlexpression_p.h"
#include <qmlbinding.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QmlBinding_Id : public QmlAbstractExpression,
public QmlAbstractBinding
{
public:
QmlBinding_Id(QObject *object, int propertyIdx,
QmlContext *context, int id);
virtual ~QmlBinding_Id();
// Inherited from QmlAbstractBinding
virtual void setEnabled(bool, QmlMetaProperty::WriteFlags flags);
virtual int propertyIndex();
virtual void update(QmlMetaProperty::WriteFlags flags);
void reset();
private:
void removeFromContext();
QmlBinding_Id **m_prev;
QmlBinding_Id *m_next;
QObject *m_object;
int m_propertyIdx;
int m_id;
};
class QmlBinding_ObjProperty : public QObject,
public QmlAbstractExpression,
public QmlAbstractBinding
{
Q_OBJECT
public:
QmlBinding_ObjProperty(QObject *object, int propertyIdx,
QObject *context, int contextIdx, int notifyIdx);
// Inherited from QmlAbstractBinding
virtual void setEnabled(bool, QmlMetaProperty::WriteFlags flags);
virtual int propertyIndex();
virtual void update(QmlMetaProperty::WriteFlags flags);
private Q_SLOTS:
void update() { update(QmlMetaProperty::DontRemoveBinding); }
private:
bool m_enabled;
QObject *m_object;
int m_propertyIdx;
QObject *m_context;
int m_contextIdx;
int m_notifyIdx;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QMLBINDINGOPTIMIZATIONS_P_H
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