2362N/A * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. 430N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 430N/A * This code is free software; you can redistribute it and/or modify it 430N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 430N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 430N/A * This code is distributed in the hope that it will be useful, but WITHOUT 430N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 430N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 430N/A * version 2 for more details (a copy is included in the LICENSE file that 430N/A * accompanied this code). 430N/A * You should have received a copy of the GNU General Public License version 430N/A * 2 along with this work; if not, write to the Free Software Foundation, 430N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 430N/A * This class is used to notify listeners about accelerated device's 430N/A * events such as device reset or dispose that are about to occur. 430N/A * A device is about to be reset. The listeners have to release all 430N/A * resources associated with the device which are required for the device 430N/A * A device is about to be disposed. The listeners have to release all 430N/A * resources associated with the device. 430N/A * Returns a singleton of AccelDeviceEventNotifier if it exists. If the 430N/A * passed boolean is false and singleton doesn't exist yet, null is 430N/A * returned. If the passed boolean is {@code true} and singleton doesn't 430N/A * exist it will be created and returned. 430N/A * @param create whether to create a singleton instance if doesn't yet 430N/A * @return a singleton instance or null 430N/A private static synchronized 430N/A * Called to indicate that a device event had occured. 430N/A * If a singleton exists, the listeners (those associated with 430N/A * the device) will be notified. 430N/A * @param screen a screen number of the device which is a source of 430N/A * @param eventType a type of the event 430N/A * @see #DEVICE_DISPOSED 430N/A * Adds the listener associated with a device on particular screen. 430N/A * Note: the listener must be removed as otherwise it will forever 430N/A * be referenced by the notifier. 430N/A * @param l the listener 430N/A * @param screen the screen number indicating which device the listener is 430N/A * Removes the listener. 430N/A * @param l the listener 430N/A * Notifies the listeners associated with the screen's device about the 430N/A * Implementation note: the current list of listeners is first duplicated 430N/A * which allows the listeners to remove themselves during the iteration. 430N/A * @param screen a screen number with which the device which is a source of 430N/A * the event is associated with 430N/A * @param eventType a type of the event 430N/A * @see #DEVICE_DISPOSED 430N/A // only notify listeners which are interested in this device