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 com.sun.javafx.scene.shape;
  27 
  28 import com.sun.javafx.scene.NodeHelper;
  29 import com.sun.javafx.util.Utils;
  30 import javafx.scene.Node;
  31 import javafx.scene.shape.Shape3D;
  32 
  33 /**
  34  * Used to access internal methods of Shape3D.
  35  */
  36 public abstract class Shape3DHelper extends NodeHelper {
  37 
  38     private static Shape3DAccessor shape3DAccessor;
  39 
  40     static {
  41         Utils.forceInit(Shape3D.class);
  42     }
  43 
  44     @Override
  45     protected void updatePeerImpl(Node node) {
  46         super.updatePeerImpl(node);
  47         shape3DAccessor.doUpdatePeer(node);
  48     }
  49 
  50     public static void setShape3DAccessor(final Shape3DAccessor newAccessor) {
  51         if (shape3DAccessor != null) {
  52             throw new IllegalStateException();
  53         }
  54 
  55         shape3DAccessor = newAccessor;
  56     }
  57 
  58     public interface Shape3DAccessor {
  59         void doUpdatePeer(Node node);
  60     }
  61 
  62 }