widget/nsIBidiKeyboard.idl
author Ryan VanderMeulen <ryanvm@gmail.com>
Thu, 14 Aug 2014 17:23:10 -0400
changeset 222544 1d41a9159e5809e937c8abd7490dd845832652c4
parent 183489 4cae03e1c434bd2e8b97deb1d8965a58fb05a203
child 271029 103433e8eb3c2a034b45e614e1a036252d2bb52f
permissions -rw-r--r--
Backed out changesets 5b1a3161f614, 17a9673ed782, and a9b8c346d295 (bug 1052052) for B2G non-unified bustage.

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

[scriptable, uuid(0d53579c-8f40-4bcf-9b87-61979c09f924)]
interface nsIBidiKeyboard : nsISupports
{
  /**
   * Inspects the installed keyboards and resets the bidi keyboard state
   */
  void reset();

  /**
   * Determines if the current keyboard language is right-to-left
   * @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
   */
  boolean isLangRTL();

  /**
   * 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;
};