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/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmlpropertycache_p.h"
#include <private/qmlengine_p.h>
#include <qmlbinding.h>
QT_BEGIN_NAMESPACE
void QmlPropertyCache::Data::load(const QMetaProperty &p)
{
propType = p.userType();
if (QVariant::Type(propType) == QVariant::LastType)
propType = qMetaTypeId<QVariant>();
coreIndex = p.propertyIndex();
notifyIndex = p.notifySignalIndex();
name = QString::fromUtf8(p.name());
if (p.isConstant())
flags |= Data::IsConstant;
if (p.isWritable())
flags |= Data::IsWritable;
if (propType == qMetaTypeId<QmlBinding *>()) {
flags |= Data::IsQmlBinding;
} else if (p.isEnumType()) {
flags |= Data::IsEnumType;
} else {
QmlMetaType::TypeCategory cat = QmlMetaType::typeCategory(propType);
if (cat == QmlMetaType::Object)
flags |= Data::IsQObjectDerived;
else if (cat == QmlMetaType::List)
flags |= Data::IsQList;
else if (cat == QmlMetaType::QmlList)
flags |= Data::IsQmlList;
}
}
void QmlPropertyCache::Data::load(const QMetaMethod &m)
{
name = QString::fromUtf8(m.signature());
int parenIdx = name.indexOf(QLatin1Char('('));
Q_ASSERT(parenIdx != -1);
name = name.left(parenIdx);
coreIndex = m.methodIndex();
flags |= Data::IsFunction;
}
QmlPropertyCache::QmlPropertyCache(QmlEngine *engine)
: QmlCleanup(engine)
{
}
QmlPropertyCache::~QmlPropertyCache()
{
clear();
}
void QmlPropertyCache::clear()
{
for (int ii = 0; ii < indexCache.count(); ++ii)
indexCache.at(ii)->release();
for (StringCache::ConstIterator iter = stringCache.begin();
iter != stringCache.end(); ++iter)
(*iter)->release();
for (IdentifierCache::ConstIterator iter = identifierCache.begin();
iter != identifierCache.end(); ++iter)
(*iter)->release();
indexCache.clear();
stringCache.clear();
identifierCache.clear();
}
QmlPropertyCache::Data QmlPropertyCache::create(const QMetaObject *metaObject,
const QString &property)
{
Q_ASSERT(metaObject);
QmlPropertyCache::Data rv;
int idx = metaObject->indexOfProperty(property.toUtf8());
if (idx != -1) {
rv.load(metaObject->property(idx));
return rv;
}
int methodCount = metaObject->methodCount();
for (int ii = methodCount - 1; ii >= 0; --ii) {
QMetaMethod m = metaObject->method(ii);
QString methodName = QString::fromUtf8(m.signature());
int parenIdx = methodName.indexOf(QLatin1Char('('));
Q_ASSERT(parenIdx != -1);
methodName = methodName.left(parenIdx);
if (methodName == property) {
rv.load(m);
return rv;
}
}
return rv;
}
// ### Optimize - check engine for the parent meta object etc.
QmlPropertyCache *QmlPropertyCache::create(QmlEngine *engine, const QMetaObject *metaObject)
{
Q_ASSERT(engine);
Q_ASSERT(metaObject);
QmlPropertyCache *cache = new QmlPropertyCache(engine);
QmlEnginePrivate *enginePriv = QmlEnginePrivate::get(engine);
// ### The properties/methods should probably be spliced on a per-metaobject basis
int propCount = metaObject->propertyCount();
cache->indexCache.resize(propCount);
for (int ii = propCount - 1; ii >= 0; --ii) {
QMetaProperty p = metaObject->property(ii);
QString propName = QString::fromUtf8(p.name());
RData *data = new RData;
data->identifier = enginePriv->objectClass->createPersistentIdentifier(propName);
data->load(p);
cache->indexCache[ii] = data;
if (cache->stringCache.contains(propName))
continue;
cache->stringCache.insert(propName, data);
cache->identifierCache.insert(data->identifier.identifier, data);
data->addref();
data->addref();
}
int methodCount = metaObject->methodCount();
for (int ii = methodCount - 1; ii >= 0; --ii) {
QMetaMethod m = metaObject->method(ii);
QString methodName = QString::fromUtf8(m.signature());
int parenIdx = methodName.indexOf(QLatin1Char('('));
Q_ASSERT(parenIdx != -1);
methodName = methodName.left(parenIdx);
if (cache->stringCache.contains(methodName))
continue;
RData *data = new RData;
data->identifier = enginePriv->objectClass->createPersistentIdentifier(methodName);
data->load(m);
cache->stringCache.insert(methodName, data);
cache->identifierCache.insert(data->identifier.identifier, data);
data->addref();
data->addref();
}
return cache;
}
QmlPropertyCache::Data *
QmlPropertyCache::property(int index) const
{
if (index < 0 || index >= indexCache.count())
return 0;
return indexCache.at(index);
}
QmlPropertyCache::Data *
QmlPropertyCache::property(const QString &str) const
{
return stringCache.value(str);
}
QT_END_NAMESPACE
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