text: /*
   * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
   * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    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
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
   */
  
  #ifndef JSCallbackObject_h
  #define JSCallbackObject_h
  
  #include "JSObjectRef.h"
  #include "JSValueRef.h"
  #include "JSObject.h"
  
  namespace JSC {
  
  template <class Base>
  class JSCallbackObject : public Base {
  public:
      JSCallbackObject(ExecState*, NonNullPassRefPtr<Structure>, JSClassRef, void* data);
      JSCallbackObject(JSClassRef);
      virtual ~JSCallbackObject();
  
      void setPrivate(void* data);
      void* getPrivate();
  
      static const ClassInfo info;
  
      JSClassRef classRef() const { return m_callbackObjectData->jsClass; }
      bool inherits(JSClassRef) const;
  
      static PassRefPtr<Structure> createStructure(JSValue proto) 
      { 
          return Structure::create(proto, TypeInfo(ObjectType, StructureFlags)); 
      }
  
  protected:
      static const unsigned StructureFlags = OverridesGetOwnPropertySlot | ImplementsHasInstance | OverridesHasInstance | OverridesMarkChildren | OverridesGetPropertyNames | Base::StructureFlags;
  
  private:
      virtual UString className() const;
  
      virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
      virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
      
      virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&);
  
      virtual bool deleteProperty(ExecState*, const Identifier&);
      virtual bool deleteProperty(ExecState*, unsigned);
  
      virtual bool hasInstance(ExecState* exec, JSValue value, JSValue proto);
  
      virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&);
  
      virtual double toNumber(ExecState*) const;
      virtual UString toString(ExecState*) const;
  
      virtual ConstructType getConstructData(ConstructData&);
      virtual CallType getCallData(CallData&);
      virtual const ClassInfo* classInfo() const { return &info; }
  
      void init(ExecState*);
   
      static JSCallbackObject* asCallbackObject(JSValue);
   
      static JSValue JSC_HOST_CALL call(ExecState*, JSObject* functionObject, JSValue thisValue, const ArgList&);
      static JSObject* construct(ExecState*, JSObject* constructor, const ArgList&);
     
      static JSValue staticValueGetter(ExecState*, const Identifier&, const PropertySlot&);
      static JSValue staticFunctionGetter(ExecState*, const Identifier&, const PropertySlot&);
      static JSValue callbackGetter(ExecState*, const Identifier&, const PropertySlot&);
  
      struct JSCallbackObjectData {
          JSCallbackObjectData(void* privateData, JSClassRef jsClass)
              : privateData(privateData)
              , jsClass(jsClass)
          {
              JSClassRetain(jsClass);
          }
          
          ~JSCallbackObjectData()
          {
              JSClassRelease(jsClass);
          }
          
          void* privateData;
          JSClassRef jsClass;
      };
      
      OwnPtr<JSCallbackObjectData> m_callbackObjectData;
  };
  
  } // namespace JSC
  
  // include the actual template class implementation
  #include "JSCallbackObjectFunctions.h"
  
  #endif // JSCallbackObject_h
  