Add a wait condition to prevent playlist highlight being messed up

www/assets/js/callbacks.js

@@ -708,6 +708,13 @@ Callbacks = {
     },
 
     setPosition: function(position) {
+        // Wait until any pending movement is finished
+        if(MOVING) {
+            setTimeout(function() {
+                Callbacks.move(position);
+            }, 100);
+            return;
+        }
         $("#queue li").each(function() {
             $(this).removeClass("queue_active");
         });

www/assets/js/data.js

@@ -40,6 +40,7 @@ if($("#ytapiplayer").length > 0) {
     var VHEIGHT = ""+parseInt(parseInt(VWIDTH) * 9 / 16);
 }
 var POSITION = -1;
+var MOVING = false;
 var REBUILDING = false;
 var socket = {
     emit: function() {

www/assets/js/util.js

@@ -952,6 +952,7 @@ function playlistMove(from, to) {
     if(from >= q.children().length)
         return false;
 
+    MOVING = true;
     var old = $(q.children()[from]);
     old.hide("blind", function() {
         old.detach();
@@ -960,6 +961,7 @@ function playlistMove(from, to) {
         else
             old.insertBefore(q.children()[to]);
         old.show("blind");
+        MOVING = false;
     });
 }