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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtScript module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-ONLY$
** 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.
**
** If you have questions regarding the use of this file, please contact
** us via http://www.qt-project.org/.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 bool getOwnPropertyDescriptor(QScriptObject*, JSC::ExecState*,
const JSC::Identifier& propertyName,
JSC::PropertyDescriptor&);
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);
virtual void getOwnPropertyNames(QScriptObject*, JSC::ExecState*,
JSC::PropertyNameArray&,
JSC::EnumerationMode mode = JSC::ExcludeDontEnumProperties);
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;
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 bool getOwnPropertyDescriptor(JSC::ExecState*,
const JSC::Identifier& propertyName,
JSC::PropertyDescriptor&);
virtual void put(JSC::ExecState* exec, const JSC::Identifier& propertyName,
JSC::JSValue, JSC::PutPropertySlot&);
virtual bool deleteProperty(JSC::ExecState*,
const JSC::Identifier& propertyName);
virtual void getOwnPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&,
JSC::EnumerationMode mode = JSC::ExcludeDontEnumProperties);
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, StructureFlags));
}
protected:
static const unsigned StructureFlags = JSC::OverridesGetOwnPropertySlot | JSC::OverridesMarkChildren | JSC::OverridesGetPropertyNames | JSC::ImplementsHasInstance | JSObject::StructureFlags;
Data *data;
};
class QMetaObjectPrototype : public QMetaObjectWrapperObject
{
public:
QMetaObjectPrototype(JSC::ExecState*, WTF::PassRefPtr<JSC::Structure>,
JSC::Structure* prototypeFunctionStructure);
};
} // namespace QScript
QT_END_NAMESPACE
#endif
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