1 /* 2 * Copyright (c) 2011, 2013, 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 package com.sun.javafx.ext.device.ios.sensors; 26 27 28 import java.util.ArrayList; 29 import java.util.List; 30 31 public class IOSMotionManager { 32 33 public interface Listener { 34 void handleMotion(final float x, final float y, final float z); 35 } 36 37 static { 38 _init(); 39 } 40 41 private static native void _init(); 42 43 public static native boolean isAccelerometerAvailable(); 44 public static native boolean isGyroAvailable(); 45 46 47 private static List<Listener> accelerationListeners = new ArrayList<Listener>(); 48 private static List<Listener> rotationListeners = new ArrayList<Listener>(); 49 50 public static void addAccelerationListener(final Listener listener) { 51 accelerationListeners.add(listener); 52 } 53 54 public static void removeAccelerationListener(final Listener listener) { 55 accelerationListeners.remove(listener); 56 } 57 58 public static void addRotationListener(final Listener listener) { 59 rotationListeners.add(listener); 60 } 61 62 public static void removeRotationListener(final Listener listener) { 63 rotationListeners.remove(listener); 64 } 65 66 67 private static void didAccelerate(final float x, final float y, final float z) { 68 for (Listener listener : accelerationListeners) { 69 listener.handleMotion(x, y, z); 70 } 71 } 72 73 private static void didRotate(final float x, final float y, final float z) { 74 for (Listener listener : rotationListeners) { 75 listener.handleMotion(x, y, z); 76 } 77 } 78 }