From 5d3fd6f987603dcd3637ea5dd801640982dbb12d Mon Sep 17 00:00:00 2001
From: Nicolas Le Goff <legoff.n@gmail.com>
Date: Fri, 28 Feb 2014 15:26:53 +0100
Subject: [PATCH] Add hasCallbacks method

---
 www/scripts/common/websockets/subscriberManager.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/www/scripts/common/websockets/subscriberManager.js b/www/scripts/common/websockets/subscriberManager.js
index f4af6c5634..1ba452d74d 100644
--- a/www/scripts/common/websockets/subscriberManager.js
+++ b/www/scripts/common/websockets/subscriberManager.js
@@ -31,6 +31,9 @@ define([
         },
         'pushCallback': function (callback) {
             callbackStack.push(callback);
+        },
+        'hasCallbacks' : function() {
+            return callbackStack.length > 0;
         }
     }
 });