1 /* 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.apple.eawt.event; 27 28 import java.awt.*; 29 30 /** 31 * Abstract event all gestures inherit from. 32 * 33 * Note: GestureEvent is not subclass of {@link AWTEvent} and is not dispatched 34 * directly from the {@link EventQueue}. This is an intentional design decision 35 * to prevent collision with an official java.awt.* gesture event types subclassing 36 * {@link InputEvent}. 37 * 38 * {@link GestureListener}s are only notified from the AWT Event Dispatch thread. 39 * 40 * @see GestureUtilities 41 * 42 * @since Java for Mac OS X 10.5 Update 7, Java for Mac OS X 10.6 Update 2 43 */ 44 public abstract class GestureEvent { 45 boolean consumed; 46 GestureEvent()47 GestureEvent() { 48 // package private 49 } 50 51 /** 52 * Consuming an event prevents listeners later in the chain or higher in the 53 * component hierarchy from receiving the event. 54 */ consume()55 public void consume() { 56 consumed = true; 57 } 58 59 /** 60 * @return if the event has been consumed 61 */ isConsumed()62 protected boolean isConsumed() { 63 return consumed; 64 } 65 } 66