From 8fdb332a20fec1988a6ec76fc83c3a4eb28ed1c8 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Fri, 6 Jul 2012 11:10:26 +0200
Subject: Fix connection error alerts when page unloads (#1488547)

---
 program/js/app.js | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'program/js/app.js')

diff --git a/program/js/app.js b/program/js/app.js
index 8d02f6f39..ae9f4e972 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -60,6 +60,8 @@ function rcube_webmail()
     beforeSend: function(xmlhttp){ xmlhttp.setRequestHeader('X-Roundcube-Request', ref.env.request_token); }
   });
 
+  $(window).bind('beforeunload', function() { rcmail.unload = true; });
+
   // set environment variable(s)
   this.set_env = function(p, value)
   {
@@ -6129,6 +6131,10 @@ function rcube_webmail()
     this.set_busy(false, null, lock);
     request.abort();
 
+    // don't display error message on page unload (#1488547)
+    if (this.unload)
+      return;
+
     if (request.status && errmsg)
       this.display_message(this.get_label('servererror') + ' (' + errmsg + ')', 'error');
     else if (status == 'timeout')
-- 
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