Source code

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 * Copyright (c) 1999-2012 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
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 *  HandlerEntry.h
 *
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// SOL++2000
// 2012/07/03 Modified call method to check if an object is NULL.

#pragma once

#include <sol\Entry.h>
#include <sol\Event.h>


typedef long (Object::*Handler)(Event&);

namespace SOL {

class HandlerEntry :public Entry {
private:
  UINT        message;
  Handler       handler;
  HandlerEntry* next;

public:
  HandlerEntry(UINT msg, Object* object, Handler proc, void* data) 
  :Entry(object, data),
    message(msg),
    handler(proc),
    next(NULL)
  {
  }

public:
  long  call(Event& event)
  {
    Object* object = getObject();
    event.setData(getData());
    //2012/07/03
    if (object) {
      return (object->*handler)(event);
    } else {
      return 0;
    }
  }

  void  add(HandlerEntry* entry) { next = entry; }

  UINT  getMessage() { return message; }
  HandlerEntry* getNext() { return next; }
};

}