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-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the QtQml module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia. For licensing terms and
-** conditions see http://qt.digia.com/licensing. For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** 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, Digia gives you certain additional
-** rights. These rights are described in the Digia 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.
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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/qqmldata_p.h>
-#include <private/qqmlpropertycache_p.h>
-#include <private/qintrusivelist_p.h>
-#include "qv8objectresource_p.h"
-
-QT_BEGIN_NAMESPACE
-
-class QObject;
-class QV8Engine;
-class QQmlData;
-class QV8ObjectResource;
-class QV8QObjectInstance;
-class QV8QObjectConnectionList;
-class QQmlPropertyCache;
-
-class QV8QObjectResource : public QV8ObjectResource
-{
- V8_RESOURCE_TYPE(QObjectType)
-
-public:
- QV8QObjectResource(QV8Engine *engine, QObject *object);
-
- QQmlGuard<QObject> object;
- QIntrusiveListNode weakResource;
-};
-
-class Q_QML_PRIVATE_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 &, QQmlContextData *, RevisionMode);
- inline bool setProperty(QObject *, const QHashedV8String &, QQmlContextData *, v8::Handle<v8::Value>, RevisionMode);
-
- void registerWeakQObjectReference(QV8QObjectResource *resource)
- {
- m_javaScriptOwnedWeakQObjects.insert(resource);
- }
-
- void unregisterWeakQObjectReference(QV8QObjectResource *resource)
- {
- m_javaScriptOwnedWeakQObjects.remove(resource);
- }
-
-private:
- friend class QQmlPropertyCache;
- friend class QV8QObjectConnectionList;
- friend class QV8QObjectInstance;
-
- v8::Local<v8::Object> newQObject(QObject *, QQmlData *, QV8Engine *);
- bool deleteWeakQObject(QV8QObjectResource *resource, bool calledFromEngineDtor = false);
- static v8::Handle<v8::Value> GetProperty(QV8Engine *, QObject *, v8::Handle<v8::Value> *,
- const QHashedV8String &, QQmlContextData *, QV8QObjectWrapper::RevisionMode);
- static bool SetProperty(QV8Engine *, QObject *, const QHashedV8String &, QQmlContextData *,
- 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>);
- static void WeakQObjectReferenceCallback(v8::Persistent<v8::Value> handle, void *wrapper);
-
- 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;
- QIntrusiveList<QV8QObjectResource, &QV8QObjectResource::weakResource> m_javaScriptOwnedWeakQObjects;
-};
-
-v8::Handle<v8::Value> QV8QObjectWrapper::getProperty(QObject *object, const QHashedV8String &string,
- QQmlContextData *context, RevisionMode mode)
-{
- QQmlData *dd = QQmlData::get(object, false);
- if (!dd || !dd->propertyCache || m_toStringString == string || m_destroyString == string ||
- dd->propertyCache->property(string, object, context)) {
- return GetProperty(m_engine, object, 0, string, context, mode);
- } else {
- return v8::Handle<v8::Value>();
- }
-}
-
-bool QV8QObjectWrapper::setProperty(QObject *object, const QHashedV8String &string,
- QQmlContextData *context, v8::Handle<v8::Value> value, RevisionMode mode)
-{
- QQmlData *dd = QQmlData::get(object, false);
- if (!dd || !dd->propertyCache || m_toStringString == string || m_destroyString == string ||
- dd->propertyCache->property(string, object, context)) {
- return SetProperty(m_engine, object, string, context, value, mode);
- } else {
- return false;
- }
-}
-
-QT_END_NAMESPACE
-
-#endif // QV8QOBJECTWRAPPER_P_H
-
-