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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 "nsIAccessibleEvent.idl"
+
+/**
+ * Fired when a state of an accessible changes.
+ */
+[scriptable, builtinclass, uuid(58b74954-1835-46ed-9ccd-c906490106f6)]
+interface nsIAccessibleStateChangeEvent : nsIAccessibleEvent
+{
+ /**
+ * Returns the state of accessible (see constants declared
+ * in nsIAccessibleStates).
+ */
+ readonly attribute unsigned long state;
+
+ /**
+ * Returns true if the state is extra state.
+ */
+ readonly attribute boolean isExtraState;
+
+ /**
+ * Returns true if the state is turned on.
+ */
+ readonly attribute boolean isEnabled;
+};