Provide an easy way to run code at boot time #163

README.md

@@ -30,8 +30,9 @@ easily distinguish between file types, we use the following:
 
 * `stuff.info` is JSON that describes an app - this is auto-generated by the App Loader
 * `stuff.img` is an image
-* `stuff.app.js` is JS code
+* `stuff.app.js` is JS code for applications
 * `stuff.wid.js` is JS code for widgets
+* `stuff.boot.js` is JS code that automatically gets run at boot time
 * `stuff.json` is used for JSON settings for an app
 
 ## Developing your own app

apps.json

@@ -2,7 +2,7 @@
   { "id": "boot",
     "name": "Bootloader",
     "icon": "bootloader.png",
-    "version":"0.12",
+    "version":"0.13",
     "description": "This is needed by Bangle.js to automatically load the clock, menu, widgets and settings",
     "tags": "tool,system",
     "type":"bootloader",
@@ -106,11 +106,12 @@
     "name": "Default Alarm",
     "shortName":"Alarms",
     "icon": "app.png",
-    "version":"0.04",
+    "version":"0.05",
     "description": "Set and respond to alarms",
     "tags": "tool,alarm,widget",
     "storage": [
       {"name":"alarm.app.js","url":"app.js"},
+      {"name":"alarm.boot.js","url":"boot.js"},
       {"name":"alarm.js","url":"alarm.js"},
       {"name":"alarm.json","content":"[]"},
       {"name":"alarm.img","url":"app-icon.js","evaluate":true},

apps/alarm/ChangeLog

@@ -2,3 +2,4 @@
 0.02: Fix issues with alarm scheduling
 0.03: More alarm scheduling issues
 0.04: Tweaks for variable size widget system
+0.05: Add alarm.boot.js and move code from the bootloader

apps/alarm/boot.js

@@ -0,0 +1,24 @@
+// check for alarms
+(function() {
+  var alarms = require('Storage').readJSON('alarm.json',1)||[];
+  var time = new Date();
+  var active = alarms.filter(a=>a.on&&(a.last!=time.getDate()));
+  if (active.length) {
+    active = active.sort((a,b)=>a.hr-b.hr);
+    var hr = time.getHours()+(time.getMinutes()/60)+(time.getSeconds()/3600);
+    if (!require('Storage').read("alarm.js")) {
+      console.log("No alarm app!");
+      require('Storage').write('alarm.json',"[]")
+    } else {
+      var t = 3600000*(active[0].hr-hr);
+      if (t<1000) t=1000;
+      /* execute alarm at the correct time. We avoid execing immediately
+      since this code will get called AGAIN when alarm.js is loaded. alarm.js
+      will then clearInterval() to get rid of this call so it can proceed
+      normally. */
+      setTimeout(function() {
+        load("alarm.js");
+      },t);
+    }
+  }
+})()

apps/boot/ChangeLog

@@ -10,3 +10,5 @@
       If Debug info is set to 'show' don't move to Terminal if connected!
 0.11: Added vibrate as beep workaround
 0.12: Add an event on BTN2 to open launcher when no clock detected (fix #147)
+0.13: Now automatically load *.boot.js at startup
+      Move alarm code into alarm.boot.js

apps/boot/boot0.js

@@ -39,25 +39,7 @@ E.setTimeZone(s.timezone);
 delete s;
 // stop users doing bad things!
 global.save = function() { throw new Error("You can't use save() on Bangle.js without overwriting the bootloader!"); }
-// check for alarms
-var alarms = require('Storage').readJSON('alarm.json',1)||[];
-var time = new Date();
-var active = alarms.filter(a=>a.on&&(a.last!=time.getDate()));
-if (active.length) {
-  active = active.sort((a,b)=>a.hr-b.hr);
-  var hr = time.getHours()+(time.getMinutes()/60)+(time.getSeconds()/3600);
-  if (!require('Storage').read("alarm.js")) {
-    console.log("No alarm app!");
-    require('Storage').write('alarm.json',"[]")
-  } else {
-    var t = 3600000*(active[0].hr-hr);
-    if (t<1000) t=1000;
-    /* execute alarm at the correct time. We avoid execing immediately
-    since this code will get called AGAIN when alarm.js is loaded. alarm.js
-    will then clearInterval() to get rid of this call so it can proceed
-    normally. */
-    setTimeout(function() {
-      load("alarm.js");
-    },t);
-  }
-}
+// Load *.boot.js files
+var clockApps = require('Storage').list(/\.boot\.js/).map(bootFile=>{
+  eval(require('Storage').read(bootFile));
+});