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Diffstat (limited to 'src/qml/qml/v8/qv8qobjectwrapper_p.h')
| -rw-r--r-- | src/qml/qml/v8/qv8qobjectwrapper_p.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/qml/qml/v8/qv8qobjectwrapper_p.h b/src/qml/qml/v8/qv8qobjectwrapper_p.h new file mode 100644 index 0000000000..f7b965690b --- /dev/null +++ b/src/qml/qml/v8/qv8qobjectwrapper_p.h @@ -0,0 +1,159 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml 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/qqmldata_p.h> +#include <private/qqmlpropertycache_p.h> + +QT_BEGIN_NAMESPACE + +class QObject; +class QV8Engine; +class QQmlData; +class QV8ObjectResource; +class QV8QObjectInstance; +class QV8QObjectConnectionList; +class QQmlPropertyCache; +class Q_QML_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 QQmlPropertyCache; + friend class QV8QObjectConnectionList; + friend class QV8QObjectInstance; + + v8::Local<v8::Object> newQObject(QObject *, QQmlData *, 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) +{ + QQmlData *dd = QQmlData::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) +{ + QQmlData *dd = QQmlData::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 + + |