text: /*
   * Copyright (C) 2004, 2006, 2008, 2010 Apple Inc. All rights reserved.
   * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
   *
   * 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 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 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.
   */
  
  #pragma once
  
  #include <WebCore/EventListener.h>
  #include <wtf/Forward.h>
  #include <wtf/RetainPtr.h>
  
  @protocol DOMEventListener;
  
  namespace WebCore {
  
      class ObjCEventListener : public EventListener {
      public:
          typedef id<DOMEventListener> ObjCListener;
          static RefPtr<ObjCEventListener> wrap(ObjCListener);
  
          static const ObjCEventListener* cast(const EventListener* listener)
          {
              return listener->type() == ObjCEventListenerType
                  ? static_cast<const ObjCEventListener*>(listener)
                  : nullptr;
          }
  
      private:
          static ObjCEventListener* find(ObjCListener);
  
          ObjCEventListener(ObjCListener);
          virtual ~ObjCEventListener();
          virtual bool operator==(const EventListener&) const;
          virtual void handleEvent(ScriptExecutionContext&, Event&);
  
          RetainPtr<ObjCListener> m_listener;
      };
  
  } // namespace WebCore
  