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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL-ONLY$
** GNU Lesser General Public License Usage
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSCRIPTDECLARATIVECLASSOBJECT_P_H
#define QSCRIPTDECLARATIVECLASSOBJECT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qscriptdeclarativeclass_p.h"
#include "qscriptv8objectwrapper_p.h"
#include "qscriptcontext_p.h"
#include <QtCore/QScopedValueRollback>
QT_BEGIN_NAMESPACE
class QScriptDeclarativeClassPrivate
{
public:
QScriptDeclarativeClassPrivate() : engine(0), q_ptr(0), context(0), supportsCall(false) {}
QScriptEngine *engine;
QScriptDeclarativeClass *q_ptr;
QScriptContext *context;
//FIXME: avoid global statics
static QSet<QString> identifiers;
bool supportsCall:1;
static QScriptDeclarativeClassPrivate *get(QScriptDeclarativeClass *c) {
return c->d_ptr.data();
}
};
struct QScriptDeclarativeClassObject : QScriptV8ObjectWrapper<QScriptDeclarativeClassObject, &QScriptEnginePrivate::declarativeClassTemplate> {
QScopedPointer<QScriptDeclarativeClass::Object> obj;
QScriptDeclarativeClass* scriptClass;
v8::Handle<v8::Value> property(v8::Local<v8::String> property)
{
QScriptDeclarativeClassPrivate* scriptDeclarativeClassP = QScriptDeclarativeClassPrivate::get(scriptClass);
QScopedValueRollback<QScriptContext *> saveContext(scriptDeclarativeClassP->context);
scriptDeclarativeClassP->context = engine->currentContext();
QScriptDeclarativeClass::PersistentIdentifier identifier =
scriptClass->createPersistentIdentifier(QScriptConverter::toString(property));
QScriptClass::QueryFlags fl = scriptClass->queryProperty(obj.data(), identifier.identifier, QScriptClass::HandlesReadAccess);
if (fl & QScriptClass::HandlesReadAccess) {
QScriptValue result = scriptClass->property(obj.data(), identifier.identifier).toScriptValue(QScriptEnginePrivate::get(engine));
return QScriptValuePrivate::get(result)->asV8Value(engine);
}
return v8::Handle<v8::Value>();
}
v8::Handle<v8::Value> setProperty(v8::Local<v8::String> property, v8::Local<v8::Value> value)
{
QScriptDeclarativeClassPrivate* scriptDeclarativeClassP = QScriptDeclarativeClassPrivate::get(scriptClass);
QScopedValueRollback<QScriptContext *> saveContext(scriptDeclarativeClassP->context);
scriptDeclarativeClassP->context = engine->currentContext();
QScriptDeclarativeClass::PersistentIdentifier identifier =
scriptClass->createPersistentIdentifier(QScriptConverter::toString(property));
QScriptClass::QueryFlags fl = scriptClass->queryProperty(obj.data(), identifier.identifier, QScriptClass::HandlesWriteAccess);
if (fl & QScriptClass::HandlesWriteAccess) {
scriptClass->setProperty(obj.data(), identifier.identifier, QScriptValuePrivate::get(new QScriptValuePrivate(engine, value)));
return value;
}
return v8::Handle<v8::Value>();
}
v8::Handle<v8::Value> property(uint32_t index)
{
return property(v8::Integer::New(index)->ToString());
}
v8::Handle<v8::Value> setProperty(uint32_t index, v8::Local<v8::Value> value)
{
return setProperty(v8::Integer::New(index)->ToString(), value);
}
v8::Handle<v8::Value> call()
{
QScriptValue result = scriptClass->call(obj.data(), engine->currentContext()).toScriptValue(QScriptEnginePrivate::get(engine));
return QScriptValuePrivate::get(result)->asV8Value(engine);
}
static v8::Handle<v8::FunctionTemplate> createFunctionTemplate(QScriptEnginePrivate *engine)
{
using namespace QScriptV8ObjectWrapperHelper;
v8::HandleScope handleScope;
v8::Handle<v8::FunctionTemplate> funcTempl = v8::FunctionTemplate::New();
v8::Handle<v8::ObjectTemplate> instTempl = funcTempl->InstanceTemplate();
instTempl->SetInternalFieldCount(1);
instTempl->SetCallAsFunctionHandler(callAsFunction<QScriptDeclarativeClassObject>);
instTempl->SetNamedPropertyHandler(namedPropertyGetter<QScriptDeclarativeClassObject>, namedPropertySetter<QScriptDeclarativeClassObject>);
instTempl->SetIndexedPropertyHandler(indexedPropertyGetter<QScriptDeclarativeClassObject>, indexedPropertySetter<QScriptDeclarativeClassObject>);
return handleScope.Close(funcTempl);
}
static v8::Handle<v8::Value> newInstance(QScriptEnginePrivate *engine, QScriptDeclarativeClass *scriptClass,
QScriptDeclarativeClass::Object *object)
{
v8::HandleScope handleScope;
QScriptDeclarativeClassObject *data = new QScriptDeclarativeClassObject;
data->engine = engine;
data->obj.reset(object);
data->scriptClass = scriptClass;
return handleScope.Close(createInstance(data));
}
static inline QScriptDeclarativeClass *declarativeClass(const QScriptValuePrivate *v)
{
QScriptDeclarativeClassObject *o = safeGet(v);
if (o)
return o->scriptClass;
return 0;
}
static inline QScriptDeclarativeClass::Object *object(const QScriptValuePrivate *v)
{
QScriptDeclarativeClassObject *o = safeGet(v);
if (o)
return o->obj.data();
return 0;
}
};
QT_END_NAMESPACE
#endif
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