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Diffstat (limited to 'src/declarative/qml/qdeclarativeglobalscriptclass.cpp')
-rw-r--r-- | src/declarative/qml/qdeclarativeglobalscriptclass.cpp | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeglobalscriptclass.cpp b/src/declarative/qml/qdeclarativeglobalscriptclass.cpp new file mode 100644 index 0000000000..4bdfdd9b9e --- /dev/null +++ b/src/declarative/qml/qdeclarativeglobalscriptclass.cpp @@ -0,0 +1,147 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 "private/qdeclarativeglobalscriptclass_p.h" + +#include <QtCore/qstringlist.h> +#include <QtCore/qvector.h> +#include <QtScript/qscriptstring.h> +#include <QtScript/qscriptengine.h> +#include <QtScript/qscriptvalueiterator.h> + +#include <private/qscriptdeclarativeclass_p.h> + +QT_BEGIN_NAMESPACE + +/* + Used to prevent any writes to the global object. +*/ +QDeclarativeGlobalScriptClass::QDeclarativeGlobalScriptClass(QScriptEngine *engine) +: QScriptClass(engine) +{ + QString eval = QLatin1String("eval"); + QString version = QLatin1String("version"); + + QScriptValue originalGlobalObject = engine->globalObject(); + + QScriptValue newGlobalObject = engine->newObject(); + + { + QScriptValueIterator iter(originalGlobalObject); + QVector<QString> names; + QVector<QScriptValue> values; + QVector<QScriptValue::PropertyFlags> flags; + while (iter.hasNext()) { + iter.next(); + + QString name = iter.name(); + + if (name == version) + continue; + + if (name != eval) { + names.append(name); + values.append(iter.value()); + flags.append(iter.flags() | QScriptValue::Undeletable); + } + newGlobalObject.setProperty(iter.scriptName(), iter.value()); + + m_illegalNames.insert(name); + } + m_staticGlobalObject = QScriptDeclarativeClass::newStaticScopeObject( + engine, names.size(), names.constData(), values.constData(), flags.constData()); + } + + newGlobalObject.setScriptClass(this); + engine->setGlobalObject(newGlobalObject); +} + +QScriptClass::QueryFlags +QDeclarativeGlobalScriptClass::queryProperty(const QScriptValue &object, + const QScriptString &name, + QueryFlags flags, uint *id) +{ + Q_UNUSED(object); + Q_UNUSED(name); + Q_UNUSED(flags); + Q_UNUSED(id); + return HandlesWriteAccess; +} + +void QDeclarativeGlobalScriptClass::setProperty(QScriptValue &object, + const QScriptString &name, + uint id, const QScriptValue &value) +{ + Q_UNUSED(object); + Q_UNUSED(id); + Q_UNUSED(value); + QString error = QLatin1String("Invalid write to global property \"") + + name.toString() + QLatin1Char('\"'); + engine()->currentContext()->throwError(error); +} + +/* This method is for the use of tst_qdeclarativeecmascript::callQtInvokables() only */ +void QDeclarativeGlobalScriptClass::explicitSetProperty(const QStringList &names, const QList<QScriptValue> &values) +{ + Q_ASSERT(names.count() == values.count()); + QScriptValue globalObject = engine()->globalObject(); + + QScriptValue v = engine()->newObject(); + + QScriptValueIterator iter(v); + while (iter.hasNext()) { + iter.next(); + v.setProperty(iter.scriptName(), iter.value()); + } + + for (int ii = 0; ii < names.count(); ++ii) { + const QString &name = names.at(ii); + const QScriptValue &value = values.at(ii); + v.setProperty(name, value); + } + + v.setScriptClass(this); + + engine()->setGlobalObject(v); +} + +QT_END_NAMESPACE + |