TinyBannavi/src/tainavi/TickTimer.java

   1 package tainavi;\r
   2 \r
   3 import java.awt.event.ActionEvent;\r
   4 import java.awt.event.ActionListener;\r
   5 import java.util.ArrayList;\r
   6 import java.util.Date;\r
   7 \r
   8 import javax.swing.Timer;\r
   9 \r
  10 /**\r
  11  * 毎分00秒に処理をキックするタイマー\r
  12  */\r
  13 public class TickTimer {\r
  14 \r
  15         public void setInterval(int min) { timer_interval = min; }\r
  16         private int timer_interval = 1;                         // 何分ごとにキックするか\r
  17         \r
  18         public void setDelay(int n) { timer_delay_add = n; }\r
  19         private int timer_delay_add = 100;                      // 実際には毎分00秒ではなく00.1秒にキックするよ\r
  20         \r
  21         private Timer timer_now = null;                         // タイマーのオブジェクト\r
  22         \r
  23         private ArrayList<TickTimerListener> listener_list = new ArrayList<TickTimerListener>(); \r
  24         \r
  25         private final Boolean foo = true;\r
  26         \r
  27         /**\r
  28          * 次の00秒までの時間(ミリ秒)を計算する\r
  29          */\r
  30         private int getNextDelay() {\r
  31                 return timer_interval*60000 - (int) (new Date().getTime() % (long) (timer_interval*60000));\r
  32         }\r
  33         \r
  34         /**\r
  35          * タイマー起動\r
  36          */\r
  37         public int start() {\r
  38                 synchronized ( foo ) {\r
  39                         if ( timer_now == null ) {\r
  40                                 // 新規のタイマー\r
  41                                 timer_now = new Timer(0, al_nowtimer);  // TIMER_INTERVALの値はなんでもいい\r
  42                                 timer_now.setRepeats(false);                    // 一回しか実行しないよ\r
  43                         }\r
  44                         \r
  45                         int delay = getNextDelay()+timer_delay_add;\r
  46                         timer_now.setInitialDelay(delay);\r
  47                         \r
  48                         timer_now.start();\r
  49                         \r
  50                         return delay;\r
  51                 }\r
  52         }\r
  53         \r
  54         /**\r
  55          * タイマー停止\r
  56          */\r
  57         public boolean stop() {\r
  58                 synchronized ( foo ) {\r
  59                         if ( timer_now != null ) {\r
  60                                 timer_now.stop();\r
  61                                 timer_now = null;\r
  62                                 \r
  63                                 return true;\r
  64                         }\r
  65                         return false;\r
  66                 }\r
  67         }\r
  68         \r
  69         /**\r
  70          * タイマー一時停止\r
  71          */\r
  72         public boolean pause() {\r
  73                 synchronized ( foo ) {\r
  74                         if ( timer_now != null && timer_now.isRunning() ) {\r
  75                                 timer_now.stop();\r
  76                                 \r
  77                                 return true;\r
  78                         }\r
  79                         return false;\r
  80                 }\r
  81         }\r
  82         \r
  83         /**\r
  84          * タイマーで実行する内容を追加\r
  85          */\r
  86         public void addTickTimerRiseListener(TickTimerListener l) {\r
  87                 if ( ! listener_list.contains(l) ) {\r
  88                         listener_list.add(l);\r
  89                 }\r
  90         }\r
  91         \r
  92         /**\r
  93          * タイマーで実行する内容を削除\r
  94          */\r
  95         public void removeTickTimerRiseListener(TickTimerListener l) {\r
  96                 listener_list.remove(l);\r
  97         }\r
  98         \r
  99         /**\r
 100          * タイマーで実行する内容\r
 101          */\r
 102         private final ActionListener al_nowtimer = new ActionListener() {\r
 103                 @Override\r
 104                 public void actionPerformed(ActionEvent e) {\r
 105                         \r
 106                         fireTimerRised();\r
 107                         \r
 108                         int delay = start();    // タイマー再起動\r
 109                         //System.out.println("Timer Rised: now="+CommonUtils.getDateTimeYMD(ev.getCalendar())+" delay="+delay);\r
 110                 }\r
 111         };\r
 112         private void fireTimerRised() {\r
 113                 TickTimerRiseEvent ev = new TickTimerRiseEvent(this);\r
 114                 \r
 115                 for ( TickTimerListener l : listener_list ) {\r
 116                         l.timerRised(ev);\r
 117                 }\r
 118         }\r
 119 \r
 120 }\r