From e454f9d608338e541dcd7aba483a9b20186304c7 Mon Sep 17 00:00:00 2001
From: Ben Gotow <ben@foundry376.com>
Date: Fri, 1 Dec 2017 10:18:15 -0800
Subject: [PATCH] =?UTF-8?q?Reduce=20offline=20battery=20usage=20by?=
 =?UTF-8?q?=E2=80=A6=20updating=20labels=20less=20often?=
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---
 app/src/flux/stores/online-status-store.es6 | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/src/flux/stores/online-status-store.es6 b/app/src/flux/stores/online-status-store.es6
index 6f935f8da..1935655b2 100644
--- a/app/src/flux/stores/online-status-store.es6
+++ b/app/src/flux/stores/online-status-store.es6
@@ -62,6 +62,15 @@ class OnlineStatusStore extends MailspringStore {
         if (this._countdownSeconds === 0) {
           this._checkOnlineStatus();
         } else {
+          // if the countdown is greater than 10 seconds we only update every 5
+          // seconds just for a tiny, tiny offline performance improvement
+          // 45, 30, 15, 10, 9, 8, 7...
+          if (this._countdownSeconds > 30 && this._countdownSeconds % 15 !== 0) {
+            return;
+          }
+          if (this._countdownSeconds > 10 && this._countdownSeconds % 5 !== 0) {
+            return;
+          }
           this.trigger({ onlineDidChange: false, countdownDidChange: true });
         }
       }, 1000);