webkit/src/JavaScriptCore/API/JSCallbackFunction.h

/*
 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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#ifndef JSCallbackFunction_h
#define JSCallbackFunction_h

#include "InternalFunction.h"
#include "JSObjectRef.h"

namespace JSC {

class JSCallbackFunction : public InternalFunction {
public:
    JSCallbackFunction(ExecState*, JSObjectCallAsFunctionCallback, const Identifier& name);

    static const ClassInfo info;
    
    // InternalFunction mish-mashes constructor and function behavior -- we should 
    // refactor the code so this override isn't necessary
    static PassRefPtr<Structure> createStructure(JSValue proto) 
    { 
        return Structure::create(proto, TypeInfo(ObjectType, StructureFlags)); 
    }

private:
    virtual CallType getCallData(CallData&);
    virtual const ClassInfo* classInfo() const { return &info; }

    static JSValue JSC_HOST_CALL call(ExecState*, JSObject*, JSValue, const ArgList&);

    JSObjectCallAsFunctionCallback m_callback;
};

} // namespace JSC

#endif // JSCallbackFunction_h