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