1 /* 2 * Copyright (c) 2016, 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 test.com.sun.javafx.scene.bounds; 27 28 import com.sun.javafx.scene.NodeHelper; 29 import com.sun.javafx.sg.prism.NGNode; 30 import com.sun.javafx.util.Utils; 31 import javafx.scene.Node; 32 import test.javafx.scene.bounds.PerfNode; 33 34 public class PerfNodeHelper extends NodeHelper { 35 36 private static final PerfNodeHelper theInstance; 37 private static PerfNodeAccessor perfNodeAccessor; 38 39 static { 40 theInstance = new PerfNodeHelper(); 41 Utils.forceInit(PerfNode.class); 42 } 43 44 private static PerfNodeHelper getInstance() { 45 return theInstance; 46 } 47 48 public static void initHelper(PerfNode perfNode) { 49 setHelper(perfNode, getInstance()); 50 } 51 52 public static void setPerfNodeAccessor(final PerfNodeAccessor newAccessor) { 53 if (perfNodeAccessor != null) { 54 throw new IllegalStateException(); 55 } 56 57 perfNodeAccessor = newAccessor; 58 } 59 60 @Override 61 protected NGNode createPeerImpl(Node node) { 62 return perfNodeAccessor.doCreatePeer(node); 63 } 64 65 public interface PerfNodeAccessor { 66 NGNode doCreatePeer(Node node); 67 } 68 69 }