[josm-dev] [PATCH v2] Make start-up feel faster by asynchronously loading the MOTD.

[Michel Marti]

Since loading and parsing the MOTD from the wiki now takes place
in a separate thread, the main GUI will be ready for action (much)
earlier (especially on slow network links).

Signed-off-by: Michel Marti <mcdmx at users.sf.net>
---
Just outed myself as a total Swing amateur... Delegating the actual
update of the Swing component to the event-dispatch-thread (using
EventQueue.invokeLater() should be fine then?

 src/org/openstreetmap/josm/gui/GettingStarted.java |   22 +++++++++++++++++--
 1 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/org/openstreetmap/josm/gui/GettingStarted.java b/src/org/openstreetmap/josm/gui/GettingStarted.java
index 7174aeb..8697955 100644
--- a/src/org/openstreetmap/josm/gui/GettingStarted.java
+++ b/src/org/openstreetmap/josm/gui/GettingStarted.java
@@ -9,6 +9,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import java.awt.BorderLayout;
+import java.awt.EventQueue;
 
 import javax.swing.JScrollPane;
 import javax.swing.JEditorPane;
@@ -134,12 +135,27 @@ public class GettingStarted extends JPanel {
     
     public GettingStarted() {
         super(new BorderLayout());
-        assignContent();
-                                
+        final LinkGeneral lg = new LinkGeneral(tr("Loading MOTD..."));
+        JScrollPane scroller = new JScrollPane(lg);
         // panel.add(GBC.glue(0,1), GBC.eol());
         //panel.setMinimumSize(new Dimension(400, 600));
-        JScrollPane scroller = new JScrollPane(new LinkGeneral(content));
         scroller.setViewportBorder(new EmptyBorder(10,100,10,100));
         add(scroller, BorderLayout.CENTER);
+
+        // Asynchronously get MOTD to speed-up JOSM startup
+        Thread t = new Thread(new Runnable() {
+            public void run() {
+                assignContent();
+                EventQueue.invokeLater(new Runnable() {
+                    public void run() {
+		                lg.setText(content);
+		                lg.moveCaretPosition(0);
+                    }
+                });
+            }
+        }, "MOTD-Loader");
+        t.setDaemon(true);
+        t.start();
+
     }
 }
-- 
1.5.6.5