From ef58120819be0c1709756fe01d707d1131c8b544 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Fri, 28 Apr 2017 14:09:59 +0200
Subject: [PATCH] Prevent multiple concurrent clicks to get the history

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

diff --git a/www/common/common-history.js b/www/common/common-history.js
index 58fd54900..2cd5b7707 100644
--- a/www/common/common-history.js
+++ b/www/common/common-history.js
@@ -75,6 +75,8 @@ define([
 
     var create = History.create = function (common, config) {
         if (!config.$toolbar) { return void console.error("config.$toolbar is undefined");}
+        if (History.loading) { return void console.error("History is already being loaded..."); }
+        History.loading = true;
         var $toolbar = config.$toolbar;
         var noFunc = function () {};
         var render = config.onRender || noFunc;
@@ -210,6 +212,7 @@ define([
 
         // Load all the history messages into a new chainpad object
         loadHistory(common, function (err, newRt) {
+            History.loading = false;
             if (err) { throw new Error(err); }
             realtime = newRt;
             update();