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/****************************************************************************
**
** Copyright (C) 2010 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "private/qdeclarativenotifier_p.h"
#include "private/qdeclarativeproperty_p.h"
QT_BEGIN_NAMESPACE
void QDeclarativeNotifier::emitNotify(QDeclarativeNotifierEndpoint *endpoint)
{
QDeclarativeNotifierEndpoint::Notifier *n = endpoint->asNotifier();
QDeclarativeNotifierEndpoint **oldDisconnected = n->disconnected;
n->disconnected = &endpoint;
if (n->next)
emitNotify(n->next);
if (endpoint) {
void *args[] = { 0 };
QMetaObject::metacall(endpoint->target, QMetaObject::InvokeMetaMethod,
endpoint->targetMethod, args);
if (endpoint)
endpoint->asNotifier()->disconnected = oldDisconnected;
}
if (oldDisconnected) *oldDisconnected = endpoint;
}
void QDeclarativeNotifierEndpoint::connect(QObject *source, int sourceSignal)
{
Signal *s = toSignal();
if (s->source == source && s->sourceSignal == sourceSignal)
return;
disconnect();
QDeclarativePropertyPrivate::connect(source, sourceSignal, target, targetMethod);
s->source = source;
s->sourceSignal = sourceSignal;
}
void QDeclarativeNotifierEndpoint::copyAndClear(QDeclarativeNotifierEndpoint &other)
{
other.disconnect();
other.target = target;
other.targetMethod = targetMethod;
if (!isConnected())
return;
if (SignalType == type) {
Signal *other_s = other.toSignal();
Signal *s = asSignal();
other_s->source = s->source;
other_s->sourceSignal = s->sourceSignal;
s->source = 0;
} else if(NotifierType == type) {
Notifier *other_n = other.toNotifier();
Notifier *n = asNotifier();
other_n->notifier = n->notifier;
other_n->disconnected = n->disconnected;
if (other_n->disconnected) *other_n->disconnected = &other;
if (n->next) {
other_n->next = n->next;
n->next->asNotifier()->prev = &other_n->next;
}
other_n->prev = n->prev;
*other_n->prev = &other;
n->prev = 0;
n->next = 0;
n->disconnected = 0;
n->notifier = 0;
}
}
QT_END_NAMESPACE
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