weakPointerCallback.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file weakPointerCallback.h
 * @author drose
 * @date 2006-10-06
 */

#ifndef WEAKPOINTERCALLBACK_H
#define WEAKPOINTERCALLBACK_H

#include "pandabase.h"

/**
 * Derive from this class and override the callback() method if you want to
 * get an immediate callback from a WeakPointerTo object when its referenced
 * pointer is deleted.
 */
class EXPCL_PANDA_EXPRESS WeakPointerCallback {
public:
  virtual ~WeakPointerCallback();
  virtual void wp_callback(void *pointer)=0;
};

#include "weakPointerCallback.I"

#endif