/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * This file is available under and governed by the GNU General Public * License version 2 only, as published by the Free Software Foundation. * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * * Copyright (c) 2000 World Wide Web Consortium, * (Massachusetts Institute of Technology, Institut National de * Recherche en Informatique et en Automatique, Keio University). All * Rights Reserved. This program is distributed under the W3C's Software * Intellectual Property License. This program is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY; without even * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. * See W3C License http://www.w3.org/Consortium/Legal/ for more details. */ package org.w3c.dom.events; /** * The <code>EventListener</code> interface is the primary method for * handling events. Users implement the <code>EventListener</code> interface * and register their listener on an <code>EventTarget</code> using the * <code>AddEventListener</code> method. The users should also remove their * <code>EventListener</code> from its <code>EventTarget</code> after they * have completed using the listener. * <p> When a <code>Node</code> is copied using the <code>cloneNode</code> * method the <code>EventListener</code>s attached to the source * <code>Node</code> are not attached to the copied <code>Node</code>. If * the user wishes the same <code>EventListener</code>s to be added to the * newly created copy the user must add them manually. * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113'>Document Object Model (DOM) Level 2 Events Specification</a>. * @since DOM Level 2 */ public interface EventListener { /** * This method is called whenever an event occurs of the type for which * the <code> EventListener</code> interface was registered. * @param evt The <code>Event</code> contains contextual information * about the event. It also contains the <code>stopPropagation</code> * and <code>preventDefault</code> methods which are used in * determining the event's flow and default action. */ public void handleEvent(Event evt); }