55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
// Filename: weakPointerToVoid.h
|
|
// Created by: drose (27Sep04)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
|
|
//
|
|
// All use of this software is subject to the terms of the Panda 3d
|
|
// Software license. You should have received a copy of this license
|
|
// along with this source code; you will also find a current copy of
|
|
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
|
|
//
|
|
// To contact the maintainers of this program write to
|
|
// panda3d-general@lists.sourceforge.net .
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef WEAKPOINTERTOVOID_H
|
|
#define WEAKPOINTERTOVOID_H
|
|
|
|
#include "pandabase.h"
|
|
#include "pointerToVoid.h"
|
|
#include "weakPointerCallback.h"
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : WeakPointerToVoid
|
|
// Description : This is the specialization of PointerToVoid for weak
|
|
// pointers. It needs an additional flag to indicate
|
|
// that the pointer has been deleted.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDAEXPRESS WeakPointerToVoid : public PointerToVoid {
|
|
protected:
|
|
INLINE WeakPointerToVoid();
|
|
INLINE ~WeakPointerToVoid();
|
|
|
|
public:
|
|
INLINE void mark_deleted();
|
|
|
|
INLINE void set_callback(WeakPointerCallback *callback);
|
|
INLINE WeakPointerCallback *get_callback() const;
|
|
|
|
PUBLISHED:
|
|
INLINE bool was_deleted() const;
|
|
INLINE bool is_valid_pointer() const;
|
|
|
|
protected:
|
|
bool _ptr_was_deleted;
|
|
WeakPointerCallback *_callback;
|
|
};
|
|
|
|
#include "weakPointerToVoid.I"
|
|
|
|
#endif
|