Coverage Report - com.sun.javafx.runtime.async.Duration
 
Classes in this File Line Coverage Branch Coverage Complexity
Duration
0%
0/17
0%
0/4
0
Duration$1Task
0%
0/8
0%
0/2
0
Duration$1Task$1
0%
0/3
N/A
0
 
 1  
 /*
 2  
  * Copyright 2007 Sun Microsystems, Inc.  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.  Sun designates this
 8  
  * particular file as subject to the "Classpath" exception as provided
 9  
  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 22  
  * CA 95054 USA or visit www.sun.com if you need additional information or
 23  
  * have any questions.
 24  
  */
 25  
 
 26  
 package com.sun.javafx.runtime.async;
 27  
 
 28  
 import javax.swing.*;
 29  
 import java.util.concurrent.ScheduledExecutorService;
 30  
 import java.util.concurrent.ScheduledFuture;
 31  
 import java.util.concurrent.TimeUnit;
 32  
 
 33  
 /**
 34  
  * Duration
 35  
  *
 36  
  * @author Brian Goetz
 37  
  */
 38  0
 public class Duration {
 39  
     private final DurationListener listener;
 40  
     private final int min, max, interval, increment;
 41  
     private ScheduledFuture<?> future;
 42  
     public static final int MIN_INTERVAL = 100;
 43  
 
 44  0
     public Duration(DurationListener listener, int min, int max, int duration) {
 45  0
         this.listener = listener;
 46  0
         this.min = min;
 47  0
         this.max = max;
 48  0
         int interval = duration / (max - min);
 49  0
         if (interval < MIN_INTERVAL) {
 50  0
             increment = MIN_INTERVAL / interval;
 51  0
             this.interval = interval * increment;
 52  
         }
 53  
         else {
 54  0
             this.interval = interval;
 55  0
             this.increment = 1;
 56  
         }
 57  0
     }
 58  
 
 59  
     public void start() {
 60  0
         class Task implements Runnable {
 61  0
             private int next = min;
 62  
 
 63  
             public void run() {
 64  0
                 final int nextNumber = Math.min(next, max);
 65  0
                 SwingUtilities.invokeLater(new Runnable() {
 66  
                     public void run() {
 67  0
                         listener.onTick(nextNumber);
 68  0
                     }
 69  
                 });
 70  0
                 next += increment;
 71  0
                 if (next > max)
 72  0
                     future.cancel(false);
 73  0
             }
 74  
         }
 75  
 
 76  0
         future = BackgroundExecutor.getTimer().scheduleWithFixedDelay(new Task(), 0, interval, TimeUnit.MILLISECONDS);
 77  0
     }
 78  
 
 79  
     public void cancel() {
 80  0
         if (future != null)
 81  0
             future.cancel(false);
 82  0
     }
 83  
 }