/**************************************************************************** ** ** 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 *mList) : metaObjects(mList), proxies(0), parent(0), object(obj) { *static_cast(this) = *metaObjects->first().metaObject; QObjectPrivate *op = QObjectPrivate::get(obj); if (op->metaObject) parent = static_cast(op->metaObject); op->metaObject = this; } QQmlProxyMetaObject::~QQmlProxyMetaObject() { if (parent) delete parent; parent = 0; if (proxies) delete [] proxies; proxies = 0; } 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->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) 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->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(o, c, id, a); else return object->qt_metacall(c, id, a); } QT_END_NAMESPACE