From 46172e0424556d18636764a9eb2178e8a0a4e1f5 Mon Sep 17 00:00:00 2001
From: Matthias Wirth <matthias.wirth@gmail.com>
Date: Fri, 22 Jan 2021 19:44:11 +0100
Subject: [PATCH] eliminate unnecessary fetches for /?feed stuff

---
 html/early.js  | 7 ++++---
 html/script.js | 4 ++--
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/html/early.js b/html/early.js
index f0b8309..78639cd 100644
--- a/html/early.js
+++ b/html/early.js
@@ -178,8 +178,9 @@ function lDateString(date) {
 
 let get_receiver_defer;
 let test_chunk_defer;
-
-if (!window.location.href.match(/globe.*adsbexchange.com/)) {
+if (uuid) {
+    // don't need receiver / chunks json
+} else if (!window.location.href.match(/globe.*adsbexchange.com/)) {
     // get configuration json files, will be used in initialize function
     get_receiver_defer = $.ajax({ url: 'data/receiver.json',
         cache: false,
@@ -250,7 +251,6 @@ if (!heatmap) {
 }
 
 if (uuid != null) {
-    get_receiver_defer = null;
     receiverJson = null;
     Dump1090Version = 'unknown';
     RefreshInterval = 5000;
@@ -486,6 +486,7 @@ function handleVisibilityChange() {
 
     // tab is no longer hidden
     if (!tabHidden) {
+        active();
         fetchData();
         if (showTrace)
             return;
diff --git a/html/script.js b/html/script.js
index 7df237c..34e1b14 100644
--- a/html/script.js
+++ b/html/script.js
@@ -645,7 +645,7 @@ function initPage() {
         }, 30000);
     }
 
-    if (adsbexchange) {
+    if (adsbexchange && !uuid) {
         setInterval(globeRateUpdate(), 300000);
     }
 
@@ -4837,7 +4837,7 @@ function drawUpintheair() {
     // NB: altitudes are in _meters_, you can specify a list of altitudes
 
     // kick off an ajax request that will add the rings when it's done
-    if (!globeIndex) {
+    if (!globeIndex && !uuid) {
         let request = $.ajax({ url: 'upintheair.json',
             cache: true,
             dataType: 'json' });