sched 0.31: Ensure we reschedule alarms after setTimeZone has been called (fix espruino#3791)

Author: gfwilliams

apps/sched/ChangeLog

@@ -31,3 +31,4 @@
 0.28: Added an icon for disabled events
 0.29: Improve clkinfo startup time by 10ms
 0.30: Fix possible bug in toggling an alarm to on, from clkinfo
+0.31: Ensure we reschedule alarms after setTimeZone has been called (fix #3791)

apps/sched/boot.js

@@ -4,6 +4,7 @@
     clearTimeout(Bangle.SCHED);
     delete Bangle.SCHED;
   }
+  delete E.setTimeZone; // delete any modified setTimeZone we added below
   var alarms = require('Storage').readJSON('sched.json',1)||[];
   var time = new Date();
   var currentTime = (time.getHours()*3600000)+(time.getMinutes()*60000)+(time.getSeconds()*1000);
@@ -25,6 +26,9 @@
     normally.
     If active[0].js is defined, just run that code as-is and not alarm.js */
     Bangle.SCHED = setTimeout(active[0].js||'load("sched.js")',t);
+    // Override setTimeZone to ensure we reschedule alarms after it has been called - fix #3791
+    var tz = E.setTimeZone;
+    E.setTimeZone = function(z) { tz(z);eval(require("Storage").read("sched.boot.js")); };
   } else { // check for new alarms at midnight (so day of week works)
     Bangle.SCHED = setTimeout('eval(require("Storage").read("sched.boot.js"))', 86400000 - currentTime);
   }

apps/sched/metadata.json

@@ -1,7 +1,7 @@
 {
   "id": "sched",
   "name": "Scheduler",
-  "version": "0.30",
+  "version": "0.31",
   "description": "Scheduling library for alarms and timers",
   "icon": "app.png",
   "type": "scheduler",