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; 27 28 import com.sun.javafx.geom.BaseBounds; 29 import com.sun.javafx.geom.transform.BaseTransform; 30 import com.sun.javafx.jmx.MXNodeAlgorithm; 31 import com.sun.javafx.jmx.MXNodeAlgorithmContext; 32 import com.sun.javafx.scene.NodeHelper; 33 import com.sun.javafx.sg.prism.NGNode; 34 import com.sun.javafx.util.Utils; 35 import javafx.scene.Node; 36 import test.javafx.scene.CSSNode; 37 38 public class CSSNodeHelper extends NodeHelper { 39 40 private static final CSSNodeHelper theInstance; 41 private static CSSNodeAccessor cssNodeAccessor; 42 43 static { 44 theInstance = new CSSNodeHelper(); 45 Utils.forceInit(CSSNode.class); 46 } 47 48 private static CSSNodeHelper getInstance() { 49 return theInstance; 50 } 51 52 public static void initHelper(CSSNode cssNode) { 53 setHelper(cssNode, getInstance()); 54 } 55 56 public static void setCSSNodeAccessor(final CSSNodeAccessor newAccessor) { 57 if (cssNodeAccessor != null) { 58 throw new IllegalStateException(); 59 } 60 61 cssNodeAccessor = newAccessor; 62 } 63 64 @Override 65 protected NGNode createPeerImpl(Node node) { 66 return cssNodeAccessor.doCreatePeer(node); 67 } 68 69 @Override 70 protected BaseBounds computeGeomBoundsImpl(Node node, BaseBounds bounds, 71 BaseTransform tx) { 72 return cssNodeAccessor.doComputeGeomBounds(node, bounds, tx); 73 } 74 75 @Override 76 protected boolean computeContainsImpl(Node node, double localX, double localY) { 77 return cssNodeAccessor.doComputeContains(node, localX, localY); } 78 79 @Override 80 protected Object processMXNodeImpl(Node node, MXNodeAlgorithm alg, MXNodeAlgorithmContext ctx) { 81 return cssNodeAccessor.doProcessMXNode(node, alg, ctx); 82 } 83 84 public interface CSSNodeAccessor { 85 NGNode doCreatePeer(Node node); 86 BaseBounds doComputeGeomBounds(Node node, BaseBounds bounds, BaseTransform tx); 87 boolean doComputeContains(Node node, double localX, double localY); 88 Object doProcessMXNode(Node node, MXNodeAlgorithm alg, MXNodeAlgorithmContext ctx); 89 } 90 91 } 92