diff options
Diffstat (limited to 'src/qml/qml/qqmlpropertycachecreator.cpp')
| -rw-r--r-- | src/qml/qml/qqmlpropertycachecreator.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlpropertycachecreator.cpp b/src/qml/qml/qqmlpropertycachecreator.cpp new file mode 100644 index 0000000000..034ebfc743 --- /dev/null +++ b/src/qml/qml/qqmlpropertycachecreator.cpp @@ -0,0 +1,130 @@ +/**************************************************************************** +** +** 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 <private/qqmlengine_p.h> + +QT_BEGIN_NAMESPACE + +QAtomicInt QQmlPropertyCacheCreatorBase::classIndexCounter(0); + + +int QQmlPropertyCacheCreatorBase::metaTypeForPropertyType(QV4::CompiledData::BuiltinType type) +{ + switch (type) { + case QV4::CompiledData::BuiltinType::Var: return QMetaType::QVariant; + case QV4::CompiledData::BuiltinType::Variant: return QMetaType::QVariant; + case QV4::CompiledData::BuiltinType::Int: return QMetaType::Int; + case QV4::CompiledData::BuiltinType::Bool: return QMetaType::Bool; + case QV4::CompiledData::BuiltinType::Real: return QMetaType::Double; + case QV4::CompiledData::BuiltinType::String: return QMetaType::QString; + case QV4::CompiledData::BuiltinType::Url: return QMetaType::QUrl; + case QV4::CompiledData::BuiltinType::Color: return QMetaType::QColor; + case QV4::CompiledData::BuiltinType::Font: return QMetaType::QFont; + case QV4::CompiledData::BuiltinType::Time: return QMetaType::QTime; + case QV4::CompiledData::BuiltinType::Date: return QMetaType::QDate; + case QV4::CompiledData::BuiltinType::DateTime: return QMetaType::QDateTime; + case QV4::CompiledData::BuiltinType::Rect: return QMetaType::QRectF; + case QV4::CompiledData::BuiltinType::Point: return QMetaType::QPointF; + case QV4::CompiledData::BuiltinType::Size: return QMetaType::QSizeF; + case QV4::CompiledData::BuiltinType::Vector2D: return QMetaType::QVector2D; + case QV4::CompiledData::BuiltinType::Vector3D: return QMetaType::QVector3D; + case QV4::CompiledData::BuiltinType::Vector4D: return QMetaType::QVector4D; + case QV4::CompiledData::BuiltinType::Matrix4x4: return QMetaType::QMatrix4x4; + case QV4::CompiledData::BuiltinType::Quaternion: return QMetaType::QQuaternion; + case QV4::CompiledData::BuiltinType::InvalidBuiltin: break; + }; + return QMetaType::UnknownType; +} + +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 = QQmlPropertyResolver(referencingObjectPropertyCache) + .property(instantiatingPropertyName, ¬InRevision, + QQmlPropertyResolver::IgnoreRevision); + return instantiatingProperty != nullptr; +} + +QQmlRefPointer<QQmlPropertyCache> 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<QQmlPropertyCache>(); +} + +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 |