Added shutdown to Event Dispatch

src/dorkbox/systemTray/util/EventDispatch.java

@@ -1,24 +1,37 @@
 package dorkbox.systemTray.util;
 
-import java.util.concurrent.Executor;
+import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 import dorkbox.util.NamedThreadFactory;
 
 /**
  * Adds events to a single thread event dispatch, so that regardless of OS, all event callbacks happen on the same thread -- which is NOT
- * the GTK/AWT/SWING event dispatch thread. There can be odd peculariaties across on GTK with how AWT/SWING react with the GTK Event
+ * the GTK/AWT/SWING event dispatch thread. There can be ODD peculiarities across on GTK with how AWT/SWING react with the GTK Event
  * Dispatch Thread.
  */
 public
 class EventDispatch {
-    private static final Executor eventDispatchExecutor = Executors.newSingleThreadExecutor(new NamedThreadFactory("SystemTray", true));
+    private static ExecutorService eventDispatchExecutor = null;
 
     /**
      * Schedule an event to occur sometime in the future.
      */
-    public static
+    public static synchronized
     void runLater(Runnable runnable) {
+        if (eventDispatchExecutor == null) {
+            eventDispatchExecutor = Executors.newSingleThreadExecutor(new NamedThreadFactory("SystemTrayEventDispatch", false));
+        }
+
         eventDispatchExecutor.execute(runnable);
     }
+
+    /**
+     * Shutdown the event dispatch
+     */
+    public static synchronized
+    void shutdown() {
+        eventDispatchExecutor.shutdownNow();
+        eventDispatchExecutor = null;
+    }
 }