Improve script lookup caching

1 files changed, 98 insertions, 0 deletions

diff --git a/src/declarative/qml/qmlobjectscriptclass_p.h b/src/declarative/qml/qmlobjectscriptclass_p.h
new file mode 100644
index 0000000..c25718c
--- /dev/null
+++ b/src/declarative/qml/qmlobjectscriptclass_p.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMLOBJECTSCRIPTCLASS_P_H
+#define QMLOBJECTSCRIPTCLASS_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 <QtScript/qscriptclass.h>
+#include <private/qscriptdeclarativeclass_p.h>
+#include <private/qmlpropertycache_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QmlEngine;
+class QmlObjectScriptClass : public QScriptDeclarativeClass
+{
+public:
+    QmlObjectScriptClass(QmlEngine *);
+    ~QmlObjectScriptClass();
+
+    QScriptValue newQObject(QObject *);
+    QObject *toQObject(const QScriptValue &) const;
+
+    QScriptClass::QueryFlags queryProperty(QObject *, const Identifier &, 
+                                           QScriptClass::QueryFlags flags);
+    QScriptValue property(QObject *, const Identifier &);
+    void setProperty(QObject *, const Identifier &name, const QScriptValue &);
+
+protected:
+    virtual QScriptClass::QueryFlags queryProperty(const Object &, const Identifier &, 
+                                                   QScriptClass::QueryFlags flags);
+
+    virtual QScriptValue property(const Object &, const Identifier &);
+    virtual void setProperty(const Object &, const Identifier &name, const QScriptValue &);
+    virtual QObject *toQObject(const Object &, bool *ok = 0);
+    virtual void destroyed(const Object &);
+
+private:
+    uint m_id;
+    QmlPropertyCache::Data *lastData;
+    struct Dummy {};
+    PersistentIdentifier<Dummy> *m_destroyId;
+    QScriptValue m_destroy;
+    QmlEngine *engine;
+};
+
+QT_END_NAMESPACE
+
+#endif // QMLOBJECTSCRIPTCLASS_P_H
+