src/script/bridge/qscriptqobject_p.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/script/bridge/qscriptqobject_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,339 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtScript 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCRIPTQOBJECT_P_H
+#define QSCRIPTQOBJECT_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 "qscriptobject_p.h"
+
+#include "qscriptengine.h"
+#include <QtCore/qpointer.h>
+
+#include "InternalFunction.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QScript
+{
+
+enum AttributeExtension {
+    // ### Make sure there's no conflict with JSC::Attribute
+    QObjectMemberAttribute = 1 << 12
+};
+
+class QObjectDelegate : public QScriptObjectDelegate
+{
+public:
+    struct Data
+    {
+        QPointer<QObject> value;
+        QScriptEngine::ValueOwnership ownership;
+        QScriptEngine::QObjectWrapOptions options;
+
+        QHash<QByteArray, JSC::JSValue> cachedMembers;
+
+        Data(QObject *o, QScriptEngine::ValueOwnership own,
+             QScriptEngine::QObjectWrapOptions opt)
+            : value(o), ownership(own), options(opt) {}
+    };
+
+    QObjectDelegate(
+        QObject *object, QScriptEngine::ValueOwnership ownership,
+        const QScriptEngine::QObjectWrapOptions &options);
+    ~QObjectDelegate();
+
+    virtual Type type() const;
+
+    virtual bool getOwnPropertySlot(QScriptObject*, JSC::ExecState*,
+                                    const JSC::Identifier& propertyName,
+                                    JSC::PropertySlot&);
+    virtual void put(QScriptObject*, JSC::ExecState* exec,
+                     const JSC::Identifier& propertyName,
+                     JSC::JSValue, JSC::PutPropertySlot&);
+    virtual bool deleteProperty(QScriptObject*, JSC::ExecState*,
+                                const JSC::Identifier& propertyName,
+                                bool checkDontDelete = true);
+    virtual bool getPropertyAttributes(const QScriptObject*, JSC::ExecState*,
+                                       const JSC::Identifier&,
+                                       unsigned&) const;
+    virtual void getOwnPropertyNames(QScriptObject*, JSC::ExecState*,
+                                     JSC::PropertyNameArray&,
+                                     bool includeNonEnumerable = false);
+    virtual void markChildren(QScriptObject*, JSC::MarkStack& markStack);
+    virtual bool compareToObject(QScriptObject*, JSC::ExecState*, JSC::JSObject*);
+
+    inline QObject *value() const { return data->value; }
+    inline void setValue(QObject* value) { data->value = value; }
+
+    inline QScriptEngine::ValueOwnership ownership() const
+        { return data->ownership; }
+    inline void setOwnership(QScriptEngine::ValueOwnership ownership)
+        { data->ownership = ownership; }
+
+    inline QScriptEngine::QObjectWrapOptions options() const
+        { return data->options; }
+    inline void setOptions(QScriptEngine::QObjectWrapOptions options)
+        { data->options = options; }
+
+protected:
+    Data *data;
+};
+
+class QObjectPrototypeObject : public QObject
+{
+    Q_OBJECT
+public:
+    QObjectPrototypeObject(QObject *parent = 0)
+        : QObject(parent) { }
+    ~QObjectPrototypeObject() { }
+};
+
+class QObjectPrototype : public QScriptObject
+{
+public:
+    QObjectPrototype(JSC::ExecState*, WTF::PassRefPtr<JSC::Structure>,
+                     JSC::Structure* prototypeFunctionStructure);
+};
+
+class QObjectConnectionManager;
+
+struct QObjectWrapperInfo
+{
+    QObjectWrapperInfo(QScriptObject *obj,
+                       QScriptEngine::ValueOwnership own,
+                       const QScriptEngine::QObjectWrapOptions &opt)
+        : object(obj), ownership(own), options(opt) {}
+
+    QScriptObject *object;
+    QScriptEngine::ValueOwnership ownership;
+    QScriptEngine::QObjectWrapOptions options;
+};
+
+class QObjectData // : public QObjectUserData
+{
+public:
+    QObjectData(QScriptEnginePrivate *engine);
+    ~QObjectData();
+
+    bool addSignalHandler(QObject *sender,
+                          int signalIndex,
+                          JSC::JSValue receiver,
+                          JSC::JSValue slot,
+                          JSC::JSValue senderWrapper,
+                          Qt::ConnectionType type);
+    bool removeSignalHandler(QObject *sender,
+                             int signalIndex,
+                             JSC::JSValue receiver,
+                             JSC::JSValue slot);
+
+    QScriptObject *findWrapper(QScriptEngine::ValueOwnership ownership,
+                               const QScriptEngine::QObjectWrapOptions &options) const;
+    void registerWrapper(QScriptObject *wrapper,
+                         QScriptEngine::ValueOwnership ownership,
+                         const QScriptEngine::QObjectWrapOptions &options);
+
+    void mark(JSC::MarkStack&);
+
+private:
+    QScriptEnginePrivate *engine;
+    QScript::QObjectConnectionManager *connectionManager;
+    QList<QScript::QObjectWrapperInfo> wrappers;
+};
+
+class QtFunction: public JSC::InternalFunction
+{
+public:
+    // work around CELL_SIZE limitation
+    struct Data
+    {
+        JSC::JSValue object;
+        int initialIndex;
+        bool maybeOverloaded;
+
+        Data(JSC::JSValue o, int ii, bool mo)
+            : object(o), initialIndex(ii), maybeOverloaded(mo) {}
+    };
+
+    QtFunction(JSC::JSValue object, int initialIndex, bool maybeOverloaded,
+               JSC::JSGlobalData*, WTF::PassRefPtr<JSC::Structure>, const JSC::Identifier&);
+    virtual ~QtFunction();
+
+    virtual JSC::CallType getCallData(JSC::CallData&);
+    virtual void markChildren(JSC::MarkStack&);
+
+    virtual const JSC::ClassInfo* classInfo() const { return &info; }
+    static const JSC::ClassInfo info;
+
+    static JSC::JSValue JSC_HOST_CALL call(JSC::ExecState*, JSC::JSObject*,
+                                           JSC::JSValue, const JSC::ArgList&);
+
+    JSC::JSValue execute(JSC::ExecState *exec, JSC::JSValue thisValue,
+                         const JSC::ArgList &args);
+
+    QScriptObject *wrapperObject() const;
+    QObject *qobject() const;
+    const QMetaObject *metaObject() const;
+    int initialIndex() const;
+    bool maybeOverloaded() const;
+    int mostGeneralMethod(QMetaMethod *out = 0) const;
+    QList<int> overloadedIndexes() const;
+    QString functionName() const;
+
+private:
+    Data *data;
+};
+
+class QtPropertyFunction: public JSC::InternalFunction
+{
+public:
+    // work around CELL_SIZE limitation
+    struct Data
+    {
+        const QMetaObject *meta;
+        int index;
+
+        Data(const QMetaObject *m, int i)
+            : meta(m), index(i) {}
+    };
+
+    QtPropertyFunction(const QMetaObject *meta, int index,
+                       JSC::JSGlobalData*, WTF::PassRefPtr<JSC::Structure>,
+                       const JSC::Identifier&);
+    virtual ~QtPropertyFunction();
+
+    virtual JSC::CallType getCallData(JSC::CallData&);
+
+    virtual const JSC::ClassInfo* classInfo() const { return &info; }
+    static const JSC::ClassInfo info;
+
+    static JSC::JSValue JSC_HOST_CALL call(JSC::ExecState*, JSC::JSObject*,
+                                           JSC::JSValue, const JSC::ArgList&);
+
+    JSC::JSValue execute(JSC::ExecState *exec, JSC::JSValue thisValue,
+                         const JSC::ArgList &args);
+
+    const QMetaObject *metaObject() const;
+    int propertyIndex() const;
+
+private:
+    Data *data;
+};
+
+class QMetaObjectWrapperObject : public JSC::JSObject
+{
+public:
+    // work around CELL_SIZE limitation
+    struct Data
+    {
+        const QMetaObject *value;
+        JSC::JSValue ctor;
+        JSC::JSValue prototype;
+
+        Data(const QMetaObject *mo, JSC::JSValue c)
+            : value(mo), ctor(c) {}
+    };
+
+    explicit QMetaObjectWrapperObject(
+        JSC::ExecState *, const QMetaObject *metaobject, JSC::JSValue ctor,
+        WTF::PassRefPtr<JSC::Structure> sid);
+    ~QMetaObjectWrapperObject();
+
+    virtual bool getOwnPropertySlot(JSC::ExecState*,
+                                    const JSC::Identifier& propertyName,
+                                    JSC::PropertySlot&);
+    virtual void put(JSC::ExecState* exec, const JSC::Identifier& propertyName,
+                     JSC::JSValue, JSC::PutPropertySlot&);
+    virtual bool deleteProperty(JSC::ExecState*,
+                                const JSC::Identifier& propertyName,
+                                bool checkDontDelete = true);
+    virtual bool getPropertyAttributes(JSC::ExecState*, const JSC::Identifier&,
+                                       unsigned&) const;
+    virtual void getOwnPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&,
+                                     bool includeNonEnumerable = false);
+    virtual void markChildren(JSC::MarkStack& markStack);
+
+    virtual JSC::CallType getCallData(JSC::CallData&);
+    virtual JSC::ConstructType getConstructData(JSC::ConstructData&);
+
+    virtual const JSC::ClassInfo* classInfo() const { return &info; }
+    static const JSC::ClassInfo info;
+
+    static JSC::JSValue JSC_HOST_CALL call(JSC::ExecState*, JSC::JSObject*,
+                                           JSC::JSValue, const JSC::ArgList&);
+    static JSC::JSObject* construct(JSC::ExecState *, JSC::JSObject *, const JSC::ArgList &);
+
+    JSC::JSValue execute(JSC::ExecState *exec, const JSC::ArgList &args);
+
+    inline const QMetaObject *value() const { return data->value; }
+    inline void setValue(const QMetaObject* value) { data->value = value; }
+
+    static WTF::PassRefPtr<JSC::Structure> createStructure(JSC::JSValue prototype)
+    {
+        return JSC::Structure::create(prototype, JSC::TypeInfo(JSC::ObjectType));
+    }
+
+protected:
+    Data *data;
+};
+
+class QMetaObjectPrototype : public QMetaObjectWrapperObject
+{
+public:
+    QMetaObjectPrototype(JSC::ExecState*, WTF::PassRefPtr<JSC::Structure>,
+                         JSC::Structure* prototypeFunctionStructure);
+};
+
+} // namespace QScript
+
+QT_END_NAMESPACE
+
+#endif