blob: 270eee52b45b113a0ef1b60f448488d2847c01dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qqmlnotifier_p.h"
#include "qqmlproperty_p.h"
QT_BEGIN_NAMESPACE
void QQmlNotifier::emitNotify(QQmlNotifierEndpoint *endpoint)
{
QQmlNotifierEndpoint **oldDisconnected = endpoint->disconnected;
endpoint->disconnected = &endpoint;
endpoint->notifying = 1;
if (endpoint->next)
emitNotify(endpoint->next);
if (endpoint) {
Q_ASSERT(endpoint->callback);
endpoint->callback(endpoint);
if (endpoint)
endpoint->disconnected = oldDisconnected;
}
if (oldDisconnected) *oldDisconnected = endpoint;
else if (endpoint) endpoint->notifying = 0;
}
void QQmlNotifierEndpoint::connect(QObject *source, int sourceSignal)
{
disconnect();
this->source = source;
this->sourceSignal = sourceSignal;
QQmlPropertyPrivate::flushSignal(source, sourceSignal);
QQmlData *ddata = QQmlData::get(source, true);
ddata->addNotify(sourceSignal, this);
}
void QQmlNotifierEndpoint::copyAndClear(QQmlNotifierEndpoint &other)
{
if (&other == this)
return;
other.disconnect();
other.callback = callback;
if (!isConnected())
return;
other.notifier = notifier;
other.sourceSignal = sourceSignal;
other.disconnected = disconnected;
other.notifying = notifying;
if (other.disconnected) *other.disconnected = &other;
if (next) {
other.next = next;
next->prev = &other.next;
}
other.prev = prev;
*other.prev = &other;
prev = 0;
next = 0;
disconnected = 0;
notifier = 0;
notifying = 0;
sourceSignal = -1;
}
QT_END_NAMESPACE
|
