widget/nsIBidiKeyboard.idl
author Nicholas D. Matsakis <nmatsakis@mozilla.com>
Tue, 11 Mar 2014 13:23:24 -0400
changeset 206610 4903226b4f2ff4f6c44fe08e91e5dff0e163741d
parent 182495 4cae03e1c434bd2e8b97deb1d8965a58fb05a203
child 269504 103433e8eb3c2a034b45e614e1a036252d2bb52f
permissions -rw-r--r--
Bug 973238 Part 6 -- Consult prototype rather than typed object addendum r=bhackett

/* -*- 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;
};