/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the tools applications 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 "qqmlpropertycachecreator_p.h" #include QT_BEGIN_NAMESPACE QAtomicInt QQmlPropertyCacheCreatorBase::classIndexCounter(0); QQmlBindingInstantiationContext::QQmlBindingInstantiationContext(int referencingObjectIndex, const QV4::CompiledData::Binding *instantiatingBinding, const QString &instantiatingPropertyName, QQmlPropertyCache *referencingObjectPropertyCache) : referencingObjectIndex(referencingObjectIndex) , instantiatingBinding(instantiatingBinding) , instantiatingPropertyName(instantiatingPropertyName) , referencingObjectPropertyCache(referencingObjectPropertyCache) { } bool QQmlBindingInstantiationContext::resolveInstantiatingProperty() { if (!instantiatingBinding || instantiatingBinding->type != QV4::CompiledData::Binding::Type_GroupProperty) return true; Q_ASSERT(referencingObjectIndex >= 0); Q_ASSERT(referencingObjectPropertyCache); Q_ASSERT(instantiatingBinding->propertyNameIndex != 0); bool notInRevision = false; instantiatingProperty = QmlIR::PropertyResolver(referencingObjectPropertyCache).property(instantiatingPropertyName, ¬InRevision, QmlIR::PropertyResolver::IgnoreRevision); return instantiatingProperty != nullptr; } QQmlRefPointer QQmlBindingInstantiationContext::instantiatingPropertyCache(QQmlEnginePrivate *enginePrivate) const { if (instantiatingProperty) { if (instantiatingProperty->isQObject()) { return enginePrivate->rawPropertyCacheForType(instantiatingProperty->propType(), instantiatingProperty->typeMinorVersion()); } else if (const QMetaObject *vtmo = QQmlValueTypeFactory::metaObjectForMetaType(instantiatingProperty->propType())) { return enginePrivate->cache(vtmo, instantiatingProperty->typeMinorVersion()); } } return QQmlRefPointer(); } void QQmlPendingGroupPropertyBindings::resolveMissingPropertyCaches(QQmlEnginePrivate *enginePrivate, QQmlPropertyCacheVector *propertyCaches) const { for (QQmlBindingInstantiationContext pendingBinding: *this) { const int groupPropertyObjectIndex = pendingBinding.instantiatingBinding->value.objectIndex; if (propertyCaches->at(groupPropertyObjectIndex)) continue; if (!pendingBinding.resolveInstantiatingProperty()) continue; auto cache = pendingBinding.instantiatingPropertyCache(enginePrivate); propertyCaches->set(groupPropertyObjectIndex, cache); } } QT_END_NAMESPACE