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
116
117
118
119
120
121
122
123
124
|
/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 "private/qdeclarativeproxymetaobject_p.h"
#include "private/qdeclarativeproperty_p.h"
QT_BEGIN_NAMESPACE
QDeclarativeProxyMetaObject::QDeclarativeProxyMetaObject(QObject *obj, QList<ProxyData> *mList)
: metaObjects(mList), proxies(0), parent(0), object(obj)
{
*static_cast<QMetaObject *>(this) = *metaObjects->first().metaObject;
QObjectPrivate *op = QObjectPrivate::get(obj);
if (op->metaObject)
parent = static_cast<QAbstractDynamicMetaObject*>(op->metaObject);
op->metaObject = this;
}
QDeclarativeProxyMetaObject::~QDeclarativeProxyMetaObject()
{
if (parent)
delete parent;
parent = 0;
if (proxies)
delete [] proxies;
proxies = 0;
}
int QDeclarativeProxyMetaObject::metaCall(QMetaObject::Call c, int id, void **a)
{
if ((c == QMetaObject::ReadProperty ||
c == QMetaObject::WriteProperty) &&
id >= metaObjects->last().propertyOffset) {
for (int ii = 0; ii < metaObjects->count(); ++ii) {
const ProxyData &data = metaObjects->at(ii);
if (id >= data.propertyOffset) {
if (!proxies) {
proxies = new QObject*[metaObjects->count()];
::memset(proxies, 0,
sizeof(QObject *) * metaObjects->count());
}
if (!proxies[ii]) {
QObject *proxy = data.createFunc(object);
const QMetaObject *metaObject = proxy->metaObject();
proxies[ii] = proxy;
int localOffset = data.metaObject->methodOffset();
int methodOffset = metaObject->methodOffset();
int methods = metaObject->methodCount() - methodOffset;
// ### - Can this be done more optimally?
for (int jj = 0; jj < methods; ++jj) {
QMetaMethod method =
metaObject->method(jj + methodOffset);
if (method.methodType() == QMetaMethod::Signal)
QDeclarativePropertyPrivate::connect(proxy, methodOffset + jj, object, localOffset + jj);
}
}
int proxyOffset = proxies[ii]->metaObject()->propertyOffset();
int proxyId = id - data.propertyOffset + proxyOffset;
return proxies[ii]->qt_metacall(c, proxyId, a);
}
}
} else if (c == QMetaObject::InvokeMetaMethod &&
id >= metaObjects->last().methodOffset) {
QMetaMethod m = object->metaObject()->method(id);
if (m.methodType() == QMetaMethod::Signal) {
QMetaObject::activate(object, id, a);
return -1;
}
}
if (parent)
return parent->metaCall(c, id, a);
else
return object->qt_metacall(c, id, a);
}
QT_END_NAMESPACE
|
