Changeset 2658 in josm for trunk/src/org/openstreetmap/josm/data/osm/event/DatasetEventManager.java

Timestamp:

2009-12-19T14:06:51+01:00 (14 years ago)

Author:

jttt

Message:

Do not update properties and selection dialogs when hidden

File:

• trunk/src/org/openstreetmap/josm/data/osm/event/DatasetEventManager.java (modified) (3 diffs)

trunk/src/org/openstreetmap/josm/data/osm/event/DatasetEventManager.java

@@ -2 +2 @@
 package org.openstreetmap.josm.data.osm.event;
 
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Queue;
+import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.LinkedBlockingQueue;
 
@@ -32 +31 @@
 
     private final Queue<AbstractDatasetChangedEvent> eventsInEDT = new LinkedBlockingQueue<AbstractDatasetChangedEvent>();
-    private final List<DataSetListener> inEDTListeners = new ArrayList<DataSetListener>();
-    private final List<DataSetListener> normalListeners = new ArrayList<DataSetListener>();
+    private final CopyOnWriteArrayList<DataSetListener> inEDTListeners = new CopyOnWriteArrayList<DataSetListener>();
+    private final CopyOnWriteArrayList<DataSetListener> normalListeners = new CopyOnWriteArrayList<DataSetListener>();
     private final DataSetListener myListener = new DataSetListenerAdapter(this);
 
@@ -48 +47 @@
     public void addDatasetListener(DataSetListener listener, boolean fireInEDT) {
         if (fireInEDT) {
-            inEDTListeners.add(listener);
+            inEDTListeners.addIfAbsent(listener);
         } else {
-            normalListeners.add(listener);
+            normalListeners.addIfAbsent(listener);
         }
     }