From 10bc83018c5c2ef56b2d1b28eb58e2c466693a39 Mon Sep 17 00:00:00 2001
From: Shpuld Shpuldson <shpuld@gmail.com>
Date: Thu, 2 Nov 2017 16:26:17 +0200
Subject: [PATCH] Deregister scroll listener properly, only fetch more if
 timeline is visible.

---
 src/components/timeline/timeline.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/components/timeline/timeline.js b/src/components/timeline/timeline.js
index bd80d57b99..6968bc6fec 100644
--- a/src/components/timeline/timeline.js
+++ b/src/components/timeline/timeline.js
@@ -33,7 +33,7 @@ const Timeline = {
     const credentials = store.state.users.currentUser.credentials
     const showImmediately = this.timeline.visibleStatuses.length === 0
 
-    window.onscroll = this.scrollLoad
+    window.addEventListener('scroll', this.scrollLoad)
 
     timelineFetcher.fetchAndUpdate({
       store,
@@ -50,6 +50,9 @@ const Timeline = {
       this.fetchFollowers()
     }
   },
+  destroyed () {
+    window.removeEventListener('scroll', this.scrollLoad)
+  },
   methods: {
     showNewStatuses () {
       this.$store.commit('showNewStatuses', { timeline: this.timelineName })
@@ -80,7 +83,10 @@ const Timeline = {
     },
     scrollLoad (e) {
       let height = Math.max(document.body.offsetHeight, document.body.scrollHeight)
-      if (this.timeline.loading === false && this.$store.state.config.autoLoad && (window.innerHeight + window.pageYOffset) >= (height - 750)) {
+      if (this.timeline.loading === false &&
+          this.$store.state.config.autoLoad &&
+          this.$el.offsetHeight > 0 &&
+          (window.innerHeight + window.pageYOffset) >= (height - 750)) {
         this.fetchOlderStatuses()
       }
     }