1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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5 ** Contact: http://www.qt-project.org/
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
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18 ** In addition, as a special exception, Nokia gives you certain additional
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20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
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26 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qdeclarativenotifier_p.h"
43 #include "qdeclarativeproperty_p.h"
47 void QDeclarativeNotifier::emitNotify(QDeclarativeNotifierEndpoint *endpoint)
49 QDeclarativeNotifierEndpoint **oldDisconnected = endpoint->disconnected;
50 endpoint->disconnected = &endpoint;
51 endpoint->notifying = 1;
54 emitNotify(endpoint->next);
58 Q_ASSERT(endpoint->callback);
60 endpoint->callback(endpoint);
63 endpoint->disconnected = oldDisconnected;
66 if (oldDisconnected) *oldDisconnected = endpoint;
67 else if (endpoint) endpoint->notifying = 0;
70 void QDeclarativeNotifierEndpoint::connect(QObject *source, int sourceSignal)
74 this->source = source;
75 this->sourceSignal = sourceSignal;
76 QDeclarativePropertyPrivate::flushSignal(source, sourceSignal);
77 QDeclarativeData *ddata = QDeclarativeData::get(source, true);
78 ddata->addNotify(sourceSignal, this);
81 void QDeclarativeNotifierEndpoint::copyAndClear(QDeclarativeNotifierEndpoint &other)
88 other.callback = callback;
93 other.notifier = notifier;
94 other.sourceSignal = sourceSignal;
95 other.disconnected = disconnected;
96 other.notifying = notifying;
97 if (other.disconnected) *other.disconnected = &other;
101 next->prev = &other.next;
104 *other.prev = &other;