michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsISupports.idl"
michael@0: 
michael@0: [scriptable, uuid(0d53579c-8f40-4bcf-9b87-61979c09f924)]
michael@0: interface nsIBidiKeyboard : nsISupports
michael@0: {
michael@0:   /**
michael@0:    * Inspects the installed keyboards and resets the bidi keyboard state
michael@0:    */
michael@0:   void reset();
michael@0: 
michael@0:   /**
michael@0:    * Determines if the current keyboard language is right-to-left
michael@0:    * @throws NS_ERROR_FAILURE if no right-to-left keyboards are installed
michael@0:    */
michael@0:   boolean isLangRTL();
michael@0: 
michael@0:   /**
michael@0:    * Determines whether the system has at least one keyboard of each direction
michael@0:    * installed.
michael@0:    *
michael@0:    * @throws NS_ERROR_NOT_IMPLEMENTED if the widget layer does not provide this
michael@0:    * information.
michael@0:    */
michael@0:   readonly attribute boolean haveBidiKeyboards;
michael@0: };
michael@0: