From 9a8f5517b6003abf0663a650f0f75dfb29c323d8 Mon Sep 17 00:00:00 2001
From: Simon Vieille <simon@deblan.fr>
Date: Wed, 13 May 2020 12:25:11 +0200
Subject: [PATCH] add a cache for the top menu update (#19)

---
 templates/css/stylesheet.php |  1 -
 templates/js/script.php      | 10 ++++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/templates/css/stylesheet.php b/templates/css/stylesheet.php
index 6311518..adae8c3 100644
--- a/templates/css/stylesheet.php
+++ b/templates/css/stylesheet.php
@@ -22,7 +22,6 @@
     }
 <?php endif; ?>
 
-
 <?php if ($_['opener-only'] === true): ?>
     #nextcloud {
         display: none;
diff --git a/templates/js/script.php b/templates/js/script.php
index 2ce91ca..090205b 100644
--- a/templates/js/script.php
+++ b/templates/js/script.php
@@ -73,6 +73,8 @@
     <?php if ($_['external-sites-in-top-menu']): ?>
         sideMenuContainer.attr('data-externalsitesintopmenu', '1')
 
+        var menuCache = null
+
         var updateTopMenu = function() {
             var breakpointMobileWidth = 1024
             var menu = $('#appmenu')
@@ -87,6 +89,12 @@
             var navigationApps = $('#apps ul')
             var appCount = null
 
+            var currentMenuCache = menu.html() + menu.next().html()
+
+            if (currentMenuCache === menuCache) {
+                return
+            }
+
             navigationApps.html('')
 
             apps.each(function(i, app) {
@@ -175,6 +183,8 @@
             } else {
                 moreApps.show()
             }
+
+            menuCache = menu.html() + menu.next().html()
         }
 
         setInterval(updateTopMenu, 50)