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Diffstat (limited to 'src/declarative/qml/qdeclarativelistscriptclass.cpp')
-rw-r--r-- | src/declarative/qml/qdeclarativelistscriptclass.cpp | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativelistscriptclass.cpp b/src/declarative/qml/qdeclarativelistscriptclass.cpp new file mode 100644 index 0000000..ea04ad9 --- /dev/null +++ b/src/declarative/qml/qdeclarativelistscriptclass.cpp @@ -0,0 +1,149 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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 "qdeclarativelistscriptclass_p.h" + +#include "qdeclarativeengine_p.h" +#include "qdeclarativeguard_p.h" +#include "qdeclarativelist_p.h" + +QT_BEGIN_NAMESPACE + +struct ListData : public QScriptDeclarativeClass::Object { + QDeclarativeGuard<QObject> object; + QDeclarativeListProperty<QObject> property; + int propertyType; +}; + +QDeclarativeListScriptClass::QDeclarativeListScriptClass(QDeclarativeEngine *e) +: QDeclarativeScriptClass(QDeclarativeEnginePrivate::getScriptEngine(e)), engine(e) +{ + QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine); + Q_UNUSED(scriptEngine); + + m_lengthId = createPersistentIdentifier(QLatin1String("length")); +} + +QDeclarativeListScriptClass::~QDeclarativeListScriptClass() +{ +} + +QScriptValue QDeclarativeListScriptClass::newList(QObject *object, int propId, int propType) +{ + QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine); + + if (!object || propId == -1) + return scriptEngine->nullValue(); + + ListData *data = new ListData; + data->object = object; + data->propertyType = propType; + void *args[] = { &data->property, 0 }; + QMetaObject::metacall(object, QMetaObject::ReadProperty, propId, args); + + return newObject(scriptEngine, this, data); +} + +QScriptValue QDeclarativeListScriptClass::newList(const QDeclarativeListProperty<QObject> &prop, int propType) +{ + QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine); + + ListData *data = new ListData; + data->object = prop.object; + data->property = prop; + data->propertyType = propType; + + return newObject(scriptEngine, this, data); +} + +QScriptClass::QueryFlags +QDeclarativeListScriptClass::queryProperty(Object *object, const Identifier &name, + QScriptClass::QueryFlags flags) +{ + Q_UNUSED(object); + Q_UNUSED(flags); + if (name == m_lengthId.identifier) + return QScriptClass::HandlesReadAccess; + + bool ok = false; + quint32 idx = toArrayIndex(name, &ok); + + if (ok) { + lastIndex = idx; + return QScriptClass::HandlesReadAccess; + } else { + return 0; + } +} + +QDeclarativeListScriptClass::ScriptValue QDeclarativeListScriptClass::property(Object *obj, const Identifier &name) +{ + QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine); + QDeclarativeEnginePrivate *enginePriv = QDeclarativeEnginePrivate::get(engine); + + ListData *data = (ListData *)obj; + if (!data->object) + return Value(); + + quint32 count = data->property.count?data->property.count(&data->property):0; + + if (name == m_lengthId.identifier) + return Value(scriptEngine, count); + else if (lastIndex < count && data->property.at) + return Value(scriptEngine, enginePriv->objectClass->newQObject(data->property.at(&data->property, lastIndex))); + else + return Value(); +} + +QVariant QDeclarativeListScriptClass::toVariant(Object *obj, bool *ok) +{ + ListData *data = (ListData *)obj; + + if (!data->object) { + if (ok) *ok = false; + return QVariant(); + } + + return QVariant::fromValue(QDeclarativeListReferencePrivate::init(data->property, data->propertyType, engine)); +} + +QT_END_NAMESPACE + |