1 /*
   2  * Copyright (c) 2011, 2013, 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.event;
  27 
  28 import javafx.event.Event;
  29 import javafx.event.EventDispatchChain;
  30 
  31 public final class EventCountingDispatcher extends LabeledEventDispatcher {
  32     private int capturingEventCount;
  33     private int bubblingEventCount;
  34     private boolean consumeCapturingEvent;
  35     private boolean consumeBubblingEvent;
  36 
  37     public EventCountingDispatcher() {
  38     }
  39 
  40     public EventCountingDispatcher(final String label) {
  41         super(label);
  42     }
  43 
  44     public int getCapturingEventCount() {
  45         return capturingEventCount;
  46     }
  47 
  48     public int getBubblingEventCount() {
  49         return bubblingEventCount;
  50     }
  51 
  52     public void setConsumeCapturingEvent(final boolean consume) {
  53         consumeCapturingEvent = consume;
  54     }
  55 
  56     public void setConsumeBubblingEvent(final boolean consume) {
  57         consumeBubblingEvent = consume;
  58     }
  59 
  60     @Override
  61     public Event dispatchEvent(final Event event,
  62                                final EventDispatchChain tail) {
  63         ++capturingEventCount;
  64         if (consumeCapturingEvent) {
  65             return null;
  66         }
  67 
  68         final Event returnEvent = tail.dispatchEvent(event);
  69         if (returnEvent != null) {
  70             ++bubblingEventCount;
  71         }
  72 
  73         return consumeBubblingEvent ? null : returnEvent;
  74     }
  75 }