From ae25b098bfe67b338d8042fa2d324a9ee1e9bcb4 Mon Sep 17 00:00:00 2001
From: Gordon Williams <gw@pur3.co.uk>
Date: Wed, 14 Apr 2021 13:10:19 +0100
Subject: [PATCH] gpsrec 0.19: Fix memory usage issues inside track viewer app

---
 apps.json             | 2 +-
 apps/gpsrec/ChangeLog | 1 +
 apps/gpsrec/app.js    | 8 ++++----
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/apps.json b/apps.json
index f6ac2f7f0..9498da48d 100644
--- a/apps.json
+++ b/apps.json
@@ -417,7 +417,7 @@
   { "id": "gpsrec",
     "name": "GPS Recorder",
     "icon": "app.png",
-    "version":"0.18",
+    "version":"0.19",
     "interface": "interface.html",
     "description": "Application that allows you to record a GPS track. Can run in background",
     "tags": "tool,outdoors,gps,widget",
diff --git a/apps/gpsrec/ChangeLog b/apps/gpsrec/ChangeLog
index 39dcd2dc1..412dbe9d3 100644
--- a/apps/gpsrec/ChangeLog
+++ b/apps/gpsrec/ChangeLog
@@ -20,3 +20,4 @@
 0.16: Add gpsrec app to Settings menu
 0.17: Disable recording if storage is full (fix #574)
 0.18: Period counter now uses GPS time rather than counting packets (allows use with GPS Setup)
+0.19: Fix memory usage issues inside track viewer app
diff --git a/apps/gpsrec/app.js b/apps/gpsrec/app.js
index cf3591151..29594289d 100644
--- a/apps/gpsrec/app.js
+++ b/apps/gpsrec/app.js
@@ -51,7 +51,7 @@ function showMainMenu() {
         updateSettings();
       }
     },
-    'View Tracks': viewTracks,
+    'View Tracks': ()=>{viewTracks();},
     '< Back': ()=>{load();}
   };
   return E.showMenu(mainmenu);
@@ -65,13 +65,13 @@ function viewTracks() {
   for (var n=0;n<36;n++) {
     var f = require("Storage").open(getFN(n),"r");
     if (f.readLine()!==undefined) {
-      menu["Track "+n] = viewTrack.bind(null,n,false);
+      menu["Track "+n] = (n=>viewTrack(n)).bind(null,n,false);
       found = true;
     }
   }
   if (!found)
     menu["No Tracks found"] = function(){};
-  menu['< Back'] = showMainMenu;
+  menu['< Back'] = () => { showMainMenu(); };
   return E.showMenu(menu);
 }
 
@@ -161,7 +161,7 @@ function viewTrack(n, info) {
         viewTrack(n, info);
     });
   };
-  menu['< Back'] = viewTracks;
+  menu['< Back'] = () => { viewTracks(); };
   return E.showMenu(menu);
 }