From 6fc6122e678fe88d5f9d607c3f332e1af9e2b8ac Mon Sep 17 00:00:00 2001
From: Michael Jumper <zhangmaike@users.sourceforge.net>
Date: Sun, 8 Jan 2012 23:47:07 -0800
Subject: [PATCH] Only send sync response if timestamp is changing.

---
 guacamole-common-js/src/main/resources/guacamole.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/guacamole-common-js/src/main/resources/guacamole.js b/guacamole-common-js/src/main/resources/guacamole.js
index 535f9b29a..0a1b72c52 100644
--- a/guacamole-common-js/src/main/resources/guacamole.js
+++ b/guacamole-common-js/src/main/resources/guacamole.js
@@ -404,8 +404,10 @@ Guacamole.Client = function(display, tunnel) {
 
                 // Send sync response when layers are finished
                 if (layersToSync == 0) {
-                    tunnel.sendMessage("sync", timestamp);
-                    currentTimestamp = timestamp;
+                    if (timestamp != currentTimestamp) {
+                        tunnel.sendMessage("sync", timestamp);
+                        currentTimestamp = timestamp;
+                    }
                 }
 
             }
@@ -424,8 +426,10 @@ Guacamole.Client = function(display, tunnel) {
             // If all layers are ready, then we didn't install any hooks.
             // Send sync message now,
             if (layersToSync == 0) {
-                tunnel.sendMessage("sync", timestamp);
-                currentTimestamp = timestamp;
+                if (timestamp != currentTimestamp) {
+                    tunnel.sendMessage("sync", timestamp);
+                    currentTimestamp = timestamp;
+                }
             }
 
         }