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155 lines
3.4 KiB
Java
155 lines
3.4 KiB
Java
/* Timer.java --
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.awt.event.*;
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import java.util.*;
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public class Timer
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{
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int ticks;
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static boolean verbose;
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boolean running;
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boolean repeat_ticks = true;
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long interval, init_delay;
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Vector actions = new Vector();
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class Waker extends Thread
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{
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public void run()
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{
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running = true;
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try {
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sleep(init_delay);
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while (running)
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{
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sleep(interval);
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if (verbose)
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{
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System.out.println("javax.swing.Timer -> clocktick");
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}
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ticks++;
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fireActionPerformed();
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if (! repeat_ticks)
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break;
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}
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running = false;
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} catch (Exception e) {
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System.out.println("swing.Timer::" + e);
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}
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}
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}
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public void addActionListener(ActionListener listener)
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{
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actions.addElement(listener);
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}
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public void removeActionListener(ActionListener listener)
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{
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actions.removeElement(listener);
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}
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void fireActionPerformed()
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{
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for (int i=0;i<actions.size();i++)
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{
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ActionListener a = (ActionListener) actions.elementAt(i);
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a.actionPerformed(new ActionEvent(this, ticks, "Timer"));
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}
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}
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public static void setLogTimers(boolean flag)
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{
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verbose = flag;
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}
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public static boolean getLogTimers()
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{
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return verbose;
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}
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public void setDelay(int delay)
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{
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interval = delay;
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}
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public int getDelay()
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{
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return (int)interval;
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}
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public void setInitialDelay(int initialDelay)
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{
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init_delay = initialDelay;
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}
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public void setRepeats(boolean flag)
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{
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repeat_ticks = flag;
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}
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boolean isRunning()
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{
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return running;
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}
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void start()
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{
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if (isRunning())
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{
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System.err.println("attempt to start a running timer");
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return;
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}
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new Waker().start();
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}
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void stop()
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{
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running = false;
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}
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}
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