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- /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- #ifndef _Laytrav_h_
- #define _Laytrav_h_
-
- #include "xp_core.h"
-
- /* I wanted to define the following API to traverse the line list.
- * What do you guys think? This might come in handy later when
- * we want to traverse the different line lists in the layer tree.
- * The logic for figuring out the next layer to go to will all be in one
- * place: laytrav.c.
- */
-
- /* API for traversing layout element list by visiting the nodes of the layer tree. */
-
- /* You want to be able to go through only visible layers */
- /* You want the option to drill down into containers or not. */
-
- LO_Element * lo_tv_GetFirstLayoutElement( lo_DocState *state );
- LO_Element * lo_tv_GetNextLayoutElement( lo_DocState *state, LO_Element *curr_ele, Bool skipContainers );
- LO_Element * lo_tv_GetPrevLayoutElement( lo_DocState *state, LO_Element *curr_ele );
- LO_Element * lo_tv_FindNextElementOfType( lo_DocState *state, LO_Element *curr_ele, uint32 ele_type );
- LO_Element * lo_tv_FindPrevElementOfType( lo_DocState *state, LO_Element *curr_ele, uint32 ele_type );
-
- Bool lo_tv_IsAContainer( LO_Element *curr_ele );
-
- #endif
-