pjs/java/webclient/src_moz/dom_util.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 RaptorCanvas.
*
* The Initial Developer of the Original Code is Kirk Baker and
* Ian Wilkinson. Portions created by Kirk Baker and Ian Wilkinson are
* Copyright (C) 1999 Kirk Baker and Ian Wilkinson. All
* Rights Reserved.
*
* Contributor(s): Ed Burns <edburns@acm.org>
*/
#ifndef dom_util_h
#define dom_util_h
#include <jni.h> // for JNICALL
#include "nsCOMPtr.h"
#include "nsIDOMDocument.h"
#include "nsIDOMNode.h"
class nsIDocumentLoader;
class nsIDocShell;
/**
* Methods to simplify webclient accessing the mozilla DOM.
*/
/**
* Used in conjunction with dom_iterateToRoot to allow action to be
* taken on each node in a path from a node to the root.
*/
typedef nsresult (JNICALL *fpTakeActionOnNodeType) (nsCOMPtr<nsIDOMNode> curNode,
void *yourObject);
/**
* Starting from startNode, recursively ascend the DOM tree to the root,
* calling the user provided function at each node, passing the user
* provided object to the function.
*/
nsresult dom_iterateToRoot(nsCOMPtr<nsIDOMNode> startNode,
fpTakeActionOnNodeType nodeFunction,
void *yourObject);
/**
* Given an nsIDocumentLoader instance, obtain the nsIDOMDocument instance.
*/
nsCOMPtr<nsIDOMDocument> dom_getDocumentFromLoader(nsIDocumentLoader *loader);
/**
* Given an nsIDocShell instance, obtain the nsIDOMDocument instance.
*/
nsCOMPtr<nsIDOMDocument> dom_getDocumentFromDocShell(nsIDocShell *docShell);
#endif // dom_util_h