From 2a8efea29a77b2b7aa83279d2338ec3ec4e2b86c Mon Sep 17 00:00:00 2001
From: Brian Gough <bjg@network-theory.co.uk>
Date: Thu, 3 Nov 2016 12:27:19 +0000
Subject: [PATCH] use browser 'online' event to trigger reconnect

---
 .../public/coffee/ide/connection/ConnectionManager.coffee   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/services/web/public/coffee/ide/connection/ConnectionManager.coffee b/services/web/public/coffee/ide/connection/ConnectionManager.coffee
index 0791e2ddc4..3552c335df 100644
--- a/services/web/public/coffee/ide/connection/ConnectionManager.coffee
+++ b/services/web/public/coffee/ide/connection/ConnectionManager.coffee
@@ -20,6 +20,12 @@ define [], () ->
 				@disconnectIfInactive()
 			, ONEHOUR)
 
+			# trigger a reconnect immediately if network comes back online
+			window.addEventListener 'online', =>
+				sl_console.log "[online] browser notified online"
+				if !@connected
+					@tryReconnectWithRateLimit({force:true})
+
 			@userIsLeavingPage = false
 			window.addEventListener 'beforeunload', =>
 				@userIsLeavingPage = true