API/JSCallbackFunction.h

   1 // -*- mode: c++; c-basic-offset: 4 -*-
   2 /*
   3  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef JSCallbackFunction_h
  28 #define JSCallbackFunction_h
  29
  30 #include "JSObjectRef.h"
  31 #include "function.h"
  32 #include "object.h"
  33
  34 namespace KJS {
  35
  36 class JSCallbackFunction : public InternalFunctionImp
  37 {
  38 public:
  39     JSCallbackFunction(ExecState* exec, JSObjectCallAsFunctionCallback callback, const Identifier& name);
  40
  41     virtual bool implementsHasInstance() const;
  42     virtual JSValue* callAsFunction(ExecState*, JSObject* thisObj, const List &args);
  43
  44     virtual const ClassInfo *classInfo() const { return &info; }
  45     static const ClassInfo info;
  46
  47 private:
  48     JSCallbackFunction(); // prevent default construction
  49     JSCallbackFunction(const JSCallbackFunction&);
  50
  51     JSObjectCallAsFunctionCallback m_callback;
  52 };
  53
  54 } // namespace KJS
  55
  56 #endif // JSCallbackFunction_h