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.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.StructureTest.StubNode;
  33 
  34 public class StubNodeHelper extends NodeHelper {
  35 
  36     private static final StubNodeHelper theInstance;
  37     private static StubNodeAccessor stubNodeAccessor;
  38 
  39     static {
  40         theInstance = new StubNodeHelper();
  41         Utils.forceInit(StubNode.class);
  42     }
  43 
  44     private static StubNodeHelper getInstance() {
  45         return theInstance;
  46     }
  47 
  48     public static void initHelper(StubNode stubNode) {
  49         setHelper(stubNode, getInstance());
  50     }
  51 
  52     public static void setStubNodeAccessor(final StubNodeAccessor newAccessor) {
  53         if (stubNodeAccessor != null) {
  54             throw new IllegalStateException();
  55         }
  56 
  57         stubNodeAccessor = newAccessor;
  58     }
  59 
  60     @Override
  61     protected NGNode createPeerImpl(Node node) {
  62         return stubNodeAccessor.doCreatePeer(node);
  63     }
  64 
  65     public interface StubNodeAccessor {
  66         NGNode doCreatePeer(Node node);
  67     }
  68 
  69 }