From f155b637f1f4f6181f893e4debef2adb64312ca8 Mon Sep 17 00:00:00 2001 From: Aaron Kennedy Date: Mon, 9 Nov 2009 11:58:49 +1000 Subject: Add QScriptDeclarativeClass QScriptDeclarativeClass is a private, but exported, class used by the declarativeui module. It is very similar to QScriptClass, but slightly faster and provides a couple of "backdoor" extension mechanisms used by declarative. Reviewed-by: Warwick Allison --- src/script/bridge/qscriptdeclarativeobject.cpp | 192 +++++++++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 src/script/bridge/qscriptdeclarativeobject.cpp (limited to 'src/script/bridge/qscriptdeclarativeobject.cpp') diff --git a/src/script/bridge/qscriptdeclarativeobject.cpp b/src/script/bridge/qscriptdeclarativeobject.cpp new file mode 100644 index 0000000000..1af632d64b --- /dev/null +++ b/src/script/bridge/qscriptdeclarativeobject.cpp @@ -0,0 +1,192 @@ +/**************************************************************************** +** +** 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 "config.h" +#include "qscriptdeclarativeobject_p.h" + +#include "../api/qscriptengine.h" +#include "../api/qscriptengine_p.h" +#include "../api/qscriptcontext.h" +#include "../api/qscriptcontext_p.h" +#include "../api/qscriptclass.h" +#include "../api/qscriptclasspropertyiterator.h" + +#include "Error.h" +#include "PropertyNameArray.h" + +#include + +Q_DECLARE_METATYPE(QScriptContext*) +Q_DECLARE_METATYPE(QScriptValue) +Q_DECLARE_METATYPE(QScriptValueList) + +QT_BEGIN_NAMESPACE + +namespace QScript +{ + +DeclarativeObjectDelegate::DeclarativeObjectDelegate(QScriptDeclarativeClass *c, + QScriptDeclarativeClass::Object *o) +: m_class(c), m_object(o) +{ +} + +DeclarativeObjectDelegate::~DeclarativeObjectDelegate() +{ + delete m_object; +} + +QScriptObjectDelegate::Type DeclarativeObjectDelegate::type() const +{ + return DeclarativeClassObject; +} + +bool DeclarativeObjectDelegate::getOwnPropertySlot(QScriptObject* object, + JSC::ExecState *exec, + const JSC::Identifier &propertyName, + JSC::PropertySlot &slot) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + QScriptDeclarativeClass::Identifier identifier = (void *)propertyName.ustring().rep(); + + QScriptDeclarativeClassPrivate *p = QScriptDeclarativeClassPrivate::get(m_class); + p->context = reinterpret_cast(exec); + QScriptClass::QueryFlags flags = + m_class->queryProperty(m_object, identifier, QScriptClass::HandlesReadAccess); + if (flags & QScriptClass::HandlesReadAccess) { + QScriptValue value = m_class->property(m_object, identifier); + p->context = 0; + slot.setValue(engine->scriptValueToJSCValue(value)); + return true; + } + p->context = 0; + + return QScriptObjectDelegate::getOwnPropertySlot(object, exec, propertyName, slot); +} + +void DeclarativeObjectDelegate::put(QScriptObject* object, JSC::ExecState *exec, + const JSC::Identifier &propertyName, + JSC::JSValue value, JSC::PutPropertySlot &slot) +{ + QScriptEnginePrivate *engine = scriptEngineFromExec(exec); + QScriptDeclarativeClass::Identifier identifier = (void *)propertyName.ustring().rep(); + + QScriptDeclarativeClassPrivate *p = QScriptDeclarativeClassPrivate::get(m_class); + p->context = reinterpret_cast(exec); + QScriptClass::QueryFlags flags = + m_class->queryProperty(m_object, identifier, QScriptClass::HandlesWriteAccess); + if (flags & QScriptClass::HandlesWriteAccess) { + m_class->setProperty(m_object, identifier, engine->scriptValueFromJSCValue(value)); + p->context = 0; + return; + } + p->context = 0; + + QScriptObjectDelegate::put(object, exec, propertyName, value, slot); +} + +bool DeclarativeObjectDelegate::deleteProperty(QScriptObject* object, JSC::ExecState *exec, + const JSC::Identifier &propertyName, + bool checkDontDelete) +{ + return QScriptObjectDelegate::deleteProperty(object, exec, propertyName, checkDontDelete); +} + +bool DeclarativeObjectDelegate::getPropertyAttributes(const QScriptObject* object, + JSC::ExecState *exec, + const JSC::Identifier &propertyName, + unsigned &attribs) const +{ + QScriptDeclarativeClass::Identifier identifier = (void *)propertyName.ustring().rep(); + + QScriptClass::QueryFlags flags = + m_class->queryProperty(m_object, identifier, QScriptClass::HandlesReadAccess); + if (flags & QScriptClass::HandlesReadAccess) { + QScriptValue::PropertyFlags flags = m_class->propertyFlags(m_object, identifier); + attribs = 0; + if (flags & QScriptValue::ReadOnly) + attribs |= JSC::ReadOnly; + if (flags & QScriptValue::SkipInEnumeration) + attribs |= JSC::DontEnum; + if (flags & QScriptValue::Undeletable) + attribs |= JSC::DontDelete; + if (flags & QScriptValue::PropertyGetter) + attribs |= JSC::Getter; + if (flags & QScriptValue::PropertySetter) + attribs |= JSC::Setter; + attribs |= flags & QScriptValue::UserRange; + return true; + } + return QScriptObjectDelegate::getPropertyAttributes(object, exec, propertyName, attribs); +} + +void DeclarativeObjectDelegate::getOwnPropertyNames(QScriptObject* object, JSC::ExecState *exec, + JSC::PropertyNameArray &propertyNames, + bool includeNonEnumerable) +{ + QStringList properties = m_class->propertyNames(m_object); + for (int ii = 0; ii < properties.count(); ++ii) { + const QString &name = properties.at(ii); + propertyNames.add(JSC::Identifier(exec, name)); + } + + QScriptObjectDelegate::getOwnPropertyNames(object, exec, propertyNames, includeNonEnumerable); +} + +JSC::CallType DeclarativeObjectDelegate::getCallData(QScriptObject *object, JSC::CallData &callData) +{ + return QScriptObjectDelegate::getCallData(object, callData); +} + +JSC::ConstructType DeclarativeObjectDelegate::getConstructData(QScriptObject* object, JSC::ConstructData &constructData) +{ + return QScriptObjectDelegate::getConstructData(object, constructData); +} + +bool DeclarativeObjectDelegate::hasInstance(QScriptObject* object, JSC::ExecState *exec, + JSC::JSValue value, JSC::JSValue proto) +{ + return QScriptObjectDelegate::hasInstance(object, exec, value, proto); +} + +} // namespace QScript + +QT_END_NAMESPACE -- cgit v1.2.1