From 736feb62b6610681fd8215cec8b49e2d42cab4b0 Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Fri, 2 Oct 2015 00:21:19 +0200
Subject: [PATCH] Just set highlighter if element is visible.

---
 .../app/controllers/ticket_zoom/article_view.coffee    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee
index 09dffc996..2825457da 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee
@@ -46,7 +46,7 @@ class ArticleViewItem extends App.Controller
         return if data.ticket_id.toString() isnt @ticket.id.toString()
 
         # set highlighter
-        @highligher.loadHighlights(@ticket_article_id)
+        @setHighlighter()
 
         if !@shown
 
@@ -62,6 +62,10 @@ class ArticleViewItem extends App.Controller
   release: =>
     App.TicketArticle.unsubscribe(@subscribeId)
 
+  setHighlighter: =>
+    return if !@el.is(':visible')
+    @highligher.loadHighlights(@ticket_article_id)
+
   hasChanged: (article) =>
 
     # if no last article exists, remember it and return true
@@ -122,11 +126,11 @@ class ArticleViewItem extends App.Controller
       article: @article
     )
 
-    # set see more option
+    # set see more
     @setSeeMore()
 
     # set highlighter
-    @highligher.loadHighlights(@ticket_article_id)
+    @setHighlighter()
 
   # set see more options
   setSeeMore: =>