1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtQml module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
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17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
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25 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qqmlproxymetaobject_p.h"
43 #include "qqmlproperty_p.h"
47 QQmlProxyMetaObject::QQmlProxyMetaObject(QObject *obj, QList<ProxyData> *mList)
48 : metaObjects(mList), proxies(0), parent(0), object(obj)
50 *static_cast<QMetaObject *>(this) = *metaObjects->first().metaObject;
52 QObjectPrivate *op = QObjectPrivate::get(obj);
54 parent = static_cast<QAbstractDynamicMetaObject*>(op->metaObject);
56 op->metaObject = this;
59 QQmlProxyMetaObject::~QQmlProxyMetaObject()
70 int QQmlProxyMetaObject::metaCall(QMetaObject::Call c, int id, void **a)
72 if ((c == QMetaObject::ReadProperty ||
73 c == QMetaObject::WriteProperty) &&
74 id >= metaObjects->last().propertyOffset) {
76 for (int ii = 0; ii < metaObjects->count(); ++ii) {
77 const ProxyData &data = metaObjects->at(ii);
78 if (id >= data.propertyOffset) {
80 proxies = new QObject*[metaObjects->count()];
82 sizeof(QObject *) * metaObjects->count());
86 QObject *proxy = data.createFunc(object);
87 const QMetaObject *metaObject = proxy->metaObject();
90 int localOffset = data.metaObject->methodOffset();
91 int methodOffset = metaObject->methodOffset();
92 int methods = metaObject->methodCount() - methodOffset;
94 // ### - Can this be done more optimally?
95 for (int jj = 0; jj < methods; ++jj) {
97 metaObject->method(jj + methodOffset);
98 if (method.methodType() == QMetaMethod::Signal)
99 QQmlPropertyPrivate::connect(proxy, methodOffset + jj, object, localOffset + jj);
103 int proxyOffset = proxies[ii]->metaObject()->propertyOffset();
104 int proxyId = id - data.propertyOffset + proxyOffset;
106 return proxies[ii]->qt_metacall(c, proxyId, a);
109 } else if (c == QMetaObject::InvokeMetaMethod &&
110 id >= metaObjects->last().methodOffset) {
111 QMetaMethod m = object->metaObject()->method(id);
112 if (m.methodType() == QMetaMethod::Signal) {
113 QMetaObject::activate(object, id, a);
119 return parent->metaCall(c, id, a);
121 return object->qt_metacall(c, id, a);