1 /****************************************************************************
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5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
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10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
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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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40 ****************************************************************************/
42 #include "private/qdeclarativenotifier_p.h"
43 #include "private/qdeclarativeproperty_p.h"
47 void QDeclarativeNotifier::emitNotify(QDeclarativeNotifierEndpoint *endpoint)
49 QDeclarativeNotifierEndpoint::Notifier *n = endpoint->asNotifier();
51 QDeclarativeNotifierEndpoint **oldDisconnected = n->disconnected;
52 n->disconnected = &endpoint;
60 QMetaObject::metacall(endpoint->target, QMetaObject::InvokeMetaMethod,
61 endpoint->targetMethod, args);
64 endpoint->asNotifier()->disconnected = oldDisconnected;
67 if (oldDisconnected) *oldDisconnected = endpoint;
70 void QDeclarativeNotifierEndpoint::connect(QObject *source, int sourceSignal)
72 Signal *s = toSignal();
74 if (s->source == source && s->sourceSignal == sourceSignal)
79 QDeclarativePropertyPrivate::connect(source, sourceSignal, target, targetMethod);
82 s->sourceSignal = sourceSignal;
85 void QDeclarativeNotifierEndpoint::copyAndClear(QDeclarativeNotifierEndpoint &other)
89 other.target = target;
90 other.targetMethod = targetMethod;
95 if (SignalType == type) {
96 Signal *other_s = other.toSignal();
97 Signal *s = asSignal();
99 other_s->source = s->source;
100 other_s->sourceSignal = s->sourceSignal;
102 } else if(NotifierType == type) {
103 Notifier *other_n = other.toNotifier();
104 Notifier *n = asNotifier();
106 other_n->notifier = n->notifier;
107 other_n->disconnected = n->disconnected;
108 if (other_n->disconnected) *other_n->disconnected = &other;
111 other_n->next = n->next;
112 n->next->asNotifier()->prev = &other_n->next;
114 other_n->prev = n->prev;
115 *other_n->prev = &other;