gecko-dev/content/shared/public/nsLayoutAtoms.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 */
#ifndef nsLayoutAtoms_h___
#define nsLayoutAtoms_h___

#include "nsIAtom.h"

/**
 * This class wraps up the creation (and destruction) of the standard
 * set of atoms used during layout processing. These objects
 * are created when the first presentation context is created and they
 * are destroyed when the last presentation context object is destroyed.
 */

class nsLayoutAtoms {
public:

  static void AddRefAtoms();
  static void ReleaseAtoms();

  /* Declare all atoms

     The atom names and values are stored in nsLayoutAtomList.h and
     are brought to you by the magic of C preprocessing

     Add new atoms to nsLayoutAtomList and all support logic will be auto-generated
   */
#define LAYOUT_ATOM(_name, _value) static nsIAtom* _name;
#include "nsLayoutAtomList.h"
#undef LAYOUT_ATOM
};

#endif /* nsLayoutAtoms_h___ */