diff options
author | Matthew Vogt <matthew.vogt@nokia.com> | 2012-01-30 14:16:15 +1000 |
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committer | Matthew Vogt <matthew.vogt@nokia.com> | 2012-01-30 14:16:15 +1000 |
commit | 12a5ddf456ba8549645a8cb28a8b4ed6197a14da (patch) | |
tree | 63ee2c88af936e0609a3a194f5bcc304c4c0b707 /src/declarative/qml/qdeclarativeproxymetaobject.cpp |
Import relevant source from Qt 4.8
Change-Id: I5078db4081d95290c54f39d3c0efc2fc2f62e6a6
Diffstat (limited to 'src/declarative/qml/qdeclarativeproxymetaobject.cpp')
-rw-r--r-- | src/declarative/qml/qdeclarativeproxymetaobject.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeproxymetaobject.cpp b/src/declarative/qml/qdeclarativeproxymetaobject.cpp new file mode 100644 index 00000000..ca2f3aeb --- /dev/null +++ b/src/declarative/qml/qdeclarativeproxymetaobject.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2012 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 |