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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qqmlvaluetypeproxybinding_p.h"
QT_BEGIN_NAMESPACE
QQmlValueTypeProxyBinding::QQmlValueTypeProxyBinding(QObject *o, int index)
: QQmlAbstractBinding(ValueTypeProxy),
m_targetIndex(index),
m_bindings(0)
{
m_target = o;
}
QQmlValueTypeProxyBinding::~QQmlValueTypeProxyBinding()
{
QQmlAbstractBinding *binding = m_bindings;
// This must be identical to the logic in QQmlData::destroyed()
while (binding) {
QQmlAbstractBinding *next = binding->nextBinding();
binding->setAddedToObject(false);
binding->setNextBinding(0);
binding->destroy();
binding = next;
}
}
void QQmlValueTypeProxyBinding::setEnabled(bool e, QQmlPropertyPrivate::WriteFlags flags)
{
QQmlAbstractBinding *b = m_bindings;
while (b) {
b->setEnabled(e, flags);
b = b->nextBinding();
}
}
QQmlAbstractBinding *QQmlValueTypeProxyBinding::binding(int propertyIndex)
{
QQmlAbstractBinding *binding = m_bindings;
while (binding && binding->targetPropertyIndex() != propertyIndex)
binding = binding->nextBinding();
return binding;
}
/*!
Removes a collection of bindings, corresponding to the set bits in \a mask.
*/
void QQmlValueTypeProxyBinding::removeBindings(quint32 mask)
{
QQmlAbstractBinding *binding = m_bindings;
QQmlAbstractBinding *lastBinding = 0;
while (binding) {
int valueTypeIndex = QQmlPropertyData::decodeValueTypePropertyIndex(binding->targetPropertyIndex());
if (valueTypeIndex != -1 && (mask & (1 << valueTypeIndex))) {
QQmlAbstractBinding *remove = binding;
binding = remove->nextBinding();
if (lastBinding == 0)
m_bindings = remove->nextBinding();
else
lastBinding->setNextBinding(remove->nextBinding());
remove->setAddedToObject(false);
remove->setNextBinding(0);
remove->destroy();
} else {
lastBinding = binding;
binding = binding->nextBinding();
}
}
}
int QQmlValueTypeProxyBinding::targetPropertyIndex() const
{
return m_targetIndex;
}
QT_END_NAMESPACE
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