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- /* -*- 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
- * 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 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 <alex@croczilla.com> (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
- * 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 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 NS_CONTENT_ATTR_NOT_THERE
- // by the wrapper. An empty result will be translated into
- // NS_CONTENT_ATTR_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);
- };
-