From 2d772eaaa8dfe6a8aeba9a67b50fafd2c74c0c0c Mon Sep 17 00:00:00 2001
From: Christoph Wurst <christoph@winzerhof-wurst.at>
Date: Thu, 14 Apr 2016 11:12:15 +0200
Subject: Debounce heartbeat ajax calls to lower the number of requests fixes
 #22397

---
 core/js/js.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'core/js/js.js')

diff --git a/core/js/js.js b/core/js/js.js
index 598e0dcd185..802b5de7e18 100644
--- a/core/js/js.js
+++ b/core/js/js.js
@@ -1498,9 +1498,15 @@ function initCore() {
 			interval = maxInterval;
 		}
 		var url = OC.generateUrl('/heartbeat');
-		setInterval(function(){
-			$.post(url);
-		}, interval * 1000);
+		var heartBeatTimeout = null;
+		var heartBeat = function() {
+			clearTimeout(heartBeatTimeout);
+			heartBeatTimeout = setInterval(function() {
+				$.post(url);
+			}, interval * 1000);
+		};
+		$(document).ajaxComplete(heartBeat);
+		heartBeat();
 	}
 
 	// session heartbeat (defaults to enabled)
-- 
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