AWT/Swing merge from GNU Classpath.

From-SVN: r56147

1 files changed, 154 insertions, 0 deletions

diff --git a/libjava/javax/swing/Timer.java b/libjava/javax/swing/Timer.java
new file mode 100644
index 0000000..1d52405
--- /dev/null
+++ b/libjava/javax/swing/Timer.java
@@ -0,0 +1,154 @@
+/* Timer.java -- 
+   Copyright (C) 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing;
+
+import java.awt.event.*;
+import java.util.*;
+
+
+public class Timer
+{
+  int ticks;
+  static boolean verbose;
+  boolean running;
+  boolean repeat_ticks = true;
+  long interval, init_delay;
+  Vector actions = new Vector();
+    
+  class Waker extends Thread
+  {
+    public void run()
+    {
+      running = true;
+      try {
+	sleep(init_delay);
+		
+	while (running)
+	  {
+	    sleep(interval);
+
+	    if (verbose)
+	      {
+		System.out.println("javax.swing.Timer -> clocktick");
+	      }
+
+	    ticks++;
+	    fireActionPerformed();
+  
+	    if (! repeat_ticks)
+	      break;
+	  }
+	running = false;
+      } catch (Exception e) {
+	System.out.println("swing.Timer::" + e);
+      }
+    }
+  }
+
+  public void addActionListener(ActionListener listener)
+  {
+    actions.addElement(listener);
+  }
+  public void removeActionListener(ActionListener listener)
+  {
+    actions.removeElement(listener);
+  }
+
+  void fireActionPerformed()
+  {
+    for (int i=0;i<actions.size();i++)
+      {
+	ActionListener a = (ActionListener) actions.elementAt(i);
+	a.actionPerformed(new ActionEvent(this, ticks, "Timer"));
+      }
+  }
+  
+
+
+  public static void setLogTimers(boolean flag)
+  {
+    verbose = flag;
+  }
+
+  public static boolean getLogTimers()
+  {
+    return verbose;
+  }
+    
+
+  public void setDelay(int delay)
+  {
+    interval = delay;
+  }
+
+  public int getDelay()
+  {
+    return (int)interval;
+  }
+
+
+  public void setInitialDelay(int initialDelay)
+  {
+    init_delay = initialDelay;
+  }
+
+  public void setRepeats(boolean flag)
+  {
+    repeat_ticks = flag;
+  }
+
+  boolean isRunning()
+  {
+    return running;
+  }
+
+  void start()
+  {
+    if (isRunning())
+      {
+	System.err.println("attempt to start a running timer");
+	return;
+      }
+    new Waker().start();
+  }
+
+  void stop()
+  {
+    running = false;
+  }
+}