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 /* -*- Mode: IDL; 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 "domstubs.idl"

 /**

  * The nsIDOMEventListener interface is a callback interface for

  * listening to events in the Document Object Model.

  *

  * For more information on this interface please see 

  * http://www.w3.org/TR/DOM-Level-2-Events/

  */

 [scriptable, function, uuid(df31c120-ded6-11d1-bd85-00805f8ae3f4)]

 interface nsIDOMEventListener : nsISupports

 {

   /**

    * This method is called whenever an event occurs of the type for which 

    * the EventListener interface was registered.

    *

    * @param   evt The Event contains contextual information about the 

    *              event. It also contains the stopPropagation and 

    *              preventDefault methods which are used in determining the 

    *              event's flow and default action.

    */

   void                      handleEvent(in nsIDOMEvent event);

 };