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-rw-r--r--widget/nsIBidiKeyboard.idl31
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+/* -*- 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"
+
+[builtinclass, scriptable, uuid(288dae24-76e2-43a3-befe-9d9fabe8014e)]
+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;
+};