widget/nsIBidiKeyboard.idl
author Mike Hommey <mh+mozilla@glandium.org>
Sat, 31 Mar 2012 09:23:19 +0200
changeset 94087 c2a9fb6260384b17046911ddc5cafef4a23b2256
parent 86168 e57e271bf32838bd8c9d7b96d96409e445970fee
child 98529 f4157e8c410708d76703f19e4dfb61859bfe32d8
permissions -rw-r--r--
Bug 736963 - Move jemalloc'ed strdup/strndup definitions. r=jlebar,r=ted

/* -*- Mode: C++; 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 IBM code.
 *
 * The Initial Developer of the Original Code is
 * IBM.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Simon Montagu
 *
 * 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"

[scriptable, uuid(99957506-f21b-4a61-ad64-5b641cf508e2)]
interface nsIBidiKeyboard : nsISupports
{
  /**
   * Determines if the current keyboard language is right-to-left
   * @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
   */
  boolean isLangRTL();

  /**
   * Sets the keyboard language to left-to-right or right-to-left
   * @param aLevel - if odd set the keyboard to RTL, if even set LTR 
   * @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
   */
  void setLangFromBidiLevel(in PRUint8 aLevel);

  /**
   * Determines whether the system has at least one keyboard of each direction
   * installed.
   *
   * @throws NS_ERROR_NOT_IMPLEMENTED if the widget layer does not provide this
   * information.
   */
  readonly attribute boolean haveBidiKeyboards;
};