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Diffstat (limited to 'src/script/bridge/qscriptqobject_p.h')
| -rw-r--r-- | src/script/bridge/qscriptqobject_p.h | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/src/script/bridge/qscriptqobject_p.h b/src/script/bridge/qscriptqobject_p.h new file mode 100644 index 0000000..64853ff --- /dev/null +++ b/src/script/bridge/qscriptqobject_p.h @@ -0,0 +1,337 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** 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 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 http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 getPropertyNames(QScriptObject*, JSC::ExecState*, JSC::PropertyNameArray&, + unsigned listedAttributes = JSC::Structure::Prototype); + virtual void mark(QScriptObject*); + + 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(); + +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 mark(); + + 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 getPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&, + unsigned listedAttributes = JSC::Structure::Prototype); + virtual void mark(); + + 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 |