Tue, 14 Aug 2007 11:44:39 -0700
changeset 4635 a7d638b7fd01d46cf39dd003fb7de1301f3803db
parent 1 9b2a99adc05e53cd4010de512f50118594756650
child 98983 f4157e8c410708d76703f19e4dfb61859bfe32d8
permissions -rw-r--r--
Fix a few more issues with eSyleUnit_Chars in computed style. Bug 391221, r+sr+a=dbaron

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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
 * 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 the Mozilla XTF project.
 * The Initial Developer of the Original Code is
 * Alex Fritze.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 *   Alex Fritze <> (original author)
 * 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
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 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"
interface nsIAtom;

[scriptable, uuid(72152f7f-7e8d-43fd-8477-3f29ae8d240d)]
interface nsIXTFAttributeHandler : nsISupports
  // If 'false' the given attribute will be handled by the wrapper.
  // Namespaced attributes will always be handled by the wrapper. The
  // set of attributes handled by the attribute handler should remain
  // constant for its complete lifetime.
  boolean handlesAttribute(in nsIAtom name);
  void setAttribute(in nsIAtom name, in AString newValue);
  void removeAttribute(in nsIAtom name);

  // If the attribute 'name' is unknown the implementation should mark
  // the returned string as being 'null' (i.e. return 'null' in JS;
  // call SetIsVoid(PR_TRUE) in C++) rather than throw an exception.
  // A 'void' result will be translated into the attribute missing
  // by the wrapper. An empty result will be translated into
  // the attribute having no value.
  AString getAttribute(in nsIAtom name);
  boolean hasAttribute(in nsIAtom name);
  unsigned long getAttributeCount();

  // note that this method should return an *atom* not a string.
  nsIAtom getAttributeNameAt(in unsigned long index);