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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qqmlproxymetaobject_p.h"
#include "qqmlproperty_p.h"
QT_BEGIN_NAMESPACE
QQmlProxyMetaObject::QQmlProxyMetaObject(QObject *obj, QList<ProxyData> *mList)
: metaObjects(mList), proxies(nullptr), parent(nullptr), object(obj)
{
*static_cast<QMetaObject *>(this) = *metaObjects->constFirst().metaObject;
QObjectPrivate *op = QObjectPrivate::get(obj);
if (op->metaObject)
parent = static_cast<QAbstractDynamicMetaObject*>(op->metaObject);
op->metaObject = this;
}
QQmlProxyMetaObject::~QQmlProxyMetaObject()
{
if (parent)
delete parent;
parent = nullptr;
if (proxies)
delete [] proxies;
proxies = nullptr;
}
int QQmlProxyMetaObject::metaCall(QObject *o, QMetaObject::Call c, int id, void **a)
{
Q_ASSERT(object == o);
if ((c == QMetaObject::ReadProperty ||
c == QMetaObject::WriteProperty) &&
id >= metaObjects->constLast().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]) {
if (!data.createFunc)
continue;
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)
QQmlPropertyPrivate::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->constLast().methodOffset) {
QMetaMethod m = object->metaObject()->method(id);
if (m.methodType() == QMetaMethod::Signal) {
QMetaObject::activate(object, id, a);
return -1;
}
}
if (parent)
return parent->metaCall(o, c, id, a);
else
return object->qt_metacall(c, id, a);
}
QT_END_NAMESPACE
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