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/****************************************************************************
**
** Copyright (C) 2012 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QV8QOBJECTWRAPPER_P_H
#define QV8QOBJECTWRAPPER_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 <QtCore/qglobal.h>
#include <QtCore/qmetatype.h>
#include <QtCore/qpair.h>
#include <QtCore/qhash.h>
#include <private/qv8_p.h>
#include <private/qhashedstring_p.h>
#include <private/qdeclarativedata_p.h>
#include <private/qdeclarativepropertycache_p.h>
QT_BEGIN_NAMESPACE
class QObject;
class QV8Engine;
class QDeclarativeData;
class QV8ObjectResource;
class QV8QObjectInstance;
class QV8QObjectConnectionList;
class QDeclarativePropertyCache;
class Q_DECLARATIVE_EXPORT QV8QObjectWrapper
{
public:
QV8QObjectWrapper();
~QV8QObjectWrapper();
void init(QV8Engine *);
void destroy();
v8::Handle<v8::Value> newQObject(QObject *object);
bool isQObject(v8::Handle<v8::Object>);
QObject *toQObject(v8::Handle<v8::Object>);
static QObject *toQObject(QV8ObjectResource *);
enum RevisionMode { IgnoreRevision, CheckRevision };
inline v8::Handle<v8::Value> getProperty(QObject *, const QHashedV8String &, RevisionMode);
inline bool setProperty(QObject *, const QHashedV8String &, v8::Handle<v8::Value>, RevisionMode);
private:
friend class QDeclarativePropertyCache;
friend class QV8QObjectConnectionList;
friend class QV8QObjectInstance;
v8::Local<v8::Object> newQObject(QObject *, QDeclarativeData *, QV8Engine *);
static v8::Handle<v8::Value> GetProperty(QV8Engine *, QObject *, v8::Handle<v8::Value> *,
const QHashedV8String &, QV8QObjectWrapper::RevisionMode);
static bool SetProperty(QV8Engine *, QObject *, const QHashedV8String &,
v8::Handle<v8::Value>, QV8QObjectWrapper::RevisionMode);
static v8::Handle<v8::Value> Getter(v8::Local<v8::String> property,
const v8::AccessorInfo &info);
static v8::Handle<v8::Value> Setter(v8::Local<v8::String> property,
v8::Local<v8::Value> value,
const v8::AccessorInfo &info);
static v8::Handle<v8::Integer> Query(v8::Local<v8::String> property,
const v8::AccessorInfo &info);
static v8::Handle<v8::Array> Enumerator(const v8::AccessorInfo &info);
static v8::Handle<v8::Value> Connect(const v8::Arguments &args);
static v8::Handle<v8::Value> Disconnect(const v8::Arguments &args);
static v8::Handle<v8::Value> Invoke(const v8::Arguments &args);
static QPair<QObject *, int> ExtractQtMethod(QV8Engine *, v8::Handle<v8::Function>);
static QPair<QObject *, int> ExtractQtSignal(QV8Engine *, v8::Handle<v8::Object>);
QV8Engine *m_engine;
quint32 m_id;
v8::Persistent<v8::Function> m_constructor;
v8::Persistent<v8::Function> m_methodConstructor;
v8::Persistent<v8::Function> m_signalHandlerConstructor;
v8::Persistent<v8::String> m_toStringSymbol;
v8::Persistent<v8::String> m_destroySymbol;
QHashedV8String m_toStringString;
QHashedV8String m_destroyString;
v8::Persistent<v8::Object> m_hiddenObject;
QHash<QObject *, QV8QObjectConnectionList *> m_connections;
typedef QHash<QObject *, QV8QObjectInstance *> TaintedHash;
TaintedHash m_taintedObjects;
};
v8::Handle<v8::Value> QV8QObjectWrapper::getProperty(QObject *object, const QHashedV8String &string,
RevisionMode mode)
{
QDeclarativeData *dd = QDeclarativeData::get(object, false);
if (!dd || !dd->propertyCache || m_toStringString == string || m_destroyString == string ||
dd->propertyCache->property(string)) {
return GetProperty(m_engine, object, 0, string, mode);
} else {
return v8::Handle<v8::Value>();
}
}
bool QV8QObjectWrapper::setProperty(QObject *object, const QHashedV8String &string,
v8::Handle<v8::Value> value, RevisionMode mode)
{
QDeclarativeData *dd = QDeclarativeData::get(object, false);
if (!dd || !dd->propertyCache || m_toStringString == string || m_destroyString == string ||
dd->propertyCache->property(string)) {
return SetProperty(m_engine, object, string, value, mode);
} else {
return false;
}
}
QT_END_NAMESPACE
#endif // QV8QOBJECTWRAPPER_P_H
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