/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Joe Hewitt <hewitt@netscape.com> (original author)
 *   Christopher A. Aillon <christopher@aillon.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

interface nsIArray;
interface nsISupportsArray;
interface nsIDOMCharacterData;
interface nsIDOMElement;
interface nsIDOMDocument;
interface nsIDOMCSSStyleRule;
interface nsIDOMNode;
interface nsIDOMNodeList;
interface nsIDOMFontFaceList;
interface nsIDOMRange;

[scriptable, uuid(0D9E5532-F5D5-44DD-94CA-D9EED5778B1C)]
interface inIDOMUtils : nsISupports
{
  // CSS utilities
  nsISupportsArray getCSSStyleRules(in nsIDOMElement aElement, [optional] in DOMString aPseudo);
  unsigned long getRuleLine(in nsIDOMCSSStyleRule aRule);

  // Returns true if the string names a property that is inherited by default.
  bool isInheritedProperty(in AString aPropertyName);

  // DOM Node utilities
  boolean isIgnorableWhitespace(in nsIDOMCharacterData aDataNode);
  // Returns the "parent" of a node.  The parent of a document node is the
  // frame/iframe containing that document.  aShowingAnonymousContent says
  // whether we are showing anonymous content.
  nsIDOMNode getParentForNode(in nsIDOMNode aNode,
                              in boolean aShowingAnonymousContent);
  nsIDOMNodeList getChildrenForNode(in nsIDOMNode aNode,
                                    in boolean aShowingAnonymousContent);
  
  // XBL utilities
  nsIArray getBindingURLs(in nsIDOMElement aElement);

  // content state utilities
  unsigned long long getContentState(in nsIDOMElement aElement);
  void setContentState(in nsIDOMElement aElement, in unsigned long long aState);

  nsIDOMFontFaceList getUsedFontFaces(in nsIDOMRange aRange);
};
