Add timer capability to alarms app

apps.json

@@ -199,11 +199,11 @@
     "sortorder" : -2
   },
   { "id": "alarm",
-    "name": "Default Alarm",
+    "name": "Default Alarm & Timer",
     "shortName":"Alarms",
     "icon": "app.png",
-    "version":"0.12",
+    "version":"0.13",
-    "description": "Set and respond to alarms",
+    "description": "Set and respond to alarms and timers",
     "tags": "tool,alarm,widget,b2",
     "storage": [
       {"name":"alarm.app.js","url":"app.js"},

apps/alarm/alarm.js

@@ -19,7 +19,7 @@ function showAlarm(alarm) {
   if (alarm.msg)
     msg += "\n"+alarm.msg;
   E.showPrompt(msg,{
-    title:"ALARM!",
+    title:alarm.timer ? "TIMER!" : "ALARM!",
     buttons : {"Sleep":true,"Ok":false} // default is sleep so it'll come back in 10 mins
   }).then(function(sleep) {
     buzzCount = 0;

apps/alarm/app.js

@@ -9,6 +9,7 @@ var alarms = require("Storage").readJSON("alarm.json",1)||[];
     last : 0, // last day of the month we alarmed on - so we don't alarm twice in one day!
     rp : true, // repeat
     as : false, // auto snooze
+    timer : 5, // OPTIONAL - if set, this is a timer and it's the time in minutes
   }
 ];*/
 
@@ -18,6 +19,12 @@ function formatTime(t) {
   return hrs+":"+("0"+mins).substr(-2);
 }
 
+function formatMins(t) {
+  mins = (0|t)%60;
+  hrs = 0|(t/60);
+  return hrs+":"+("0"+mins).substr(-2);
+}
+
 function getCurrentHr() {
   var time = new Date();
   return time.getHours()+(time.getMinutes()/60)+(time.getSeconds()/3600);
@@ -25,14 +32,20 @@ function getCurrentHr() {
 
 function showMainMenu() {
   const menu = {
-    '': { 'title': 'Alarms' },
+    '': { 'title': 'Alarm/Timer' },
-    'New Alarm': ()=>editAlarm(-1)
+    'New Alarm': ()=>editAlarm(-1),
+    'New Timer': ()=>editTimer(-1)
   };
   alarms.forEach((alarm,idx)=>{
-    txt = (alarm.on?"on  ":"off ")+formatTime(alarm.hr);
+    if (alarm.timer) {
+      txt = "TIMER "+(alarm.on?"on  ":"off ")+formatMins(alarm.timer);
+    } else {
+      txt = "ALARM "+(alarm.on?"on  ":"off ")+formatTime(alarm.hr);
       if (alarm.rp) txt += " (repeat)";
+    }
     menu[txt] = function() {
-      editAlarm(idx);
+      if (alarm.timer) editTimer(idx);
+      else editAlarm(idx);
     };
   });
   menu['< Back'] =  ()=>{load();};
@@ -55,7 +68,7 @@ function editAlarm(alarmIndex) {
     as = a.as;
   }
   const menu = {
-    '': { 'title': 'Alarms' },
+    '': { 'title': 'Alarm' },
     'Hours': {
       value: hrs,
       onchange: function(v){if (v<0)v=23;if (v>23)v=0;hrs=v;this.value=v;} // no arrow fn -> preserve 'this'
@@ -109,4 +122,59 @@ function editAlarm(alarmIndex) {
   return E.showMenu(menu);
 }
 
+function editTimer(alarmIndex) {
+  var newAlarm = alarmIndex<0;
+  var hrs = 0;
+  var mins = 5;
+  var en = true;
+  if (!newAlarm) {
+    var a = alarms[alarmIndex];
+    mins = (0|a.timer)%60;
+    hrs = 0|(a.timer/60);
+    en = a.on;
+  }
+  const menu = {
+    '': { 'title': 'Timer' },
+    'Hours': {
+      value: hrs,
+      onchange: function(v){if (v<0)v=23;if (v>23)v=0;hrs=v;this.value=v;} // no arrow fn -> preserve 'this'
+    },
+    'Minutes': {
+      value: mins,
+      onchange: function(v){if (v<0)v=59;if (v>59)v=0;mins=v;this.value=v;} // no arrow fn -> preserve 'this'
+    },
+    'Enabled': {
+      value: en,
+      format: v=>v?"On":"Off",
+      onchange: v=>en=v
+    }
+  };
+  function getTimer() {
+    var d = new Date(Date.now() + ((hrs*60)+mins)*60000);
+    var hr = d.getHours() + (d.getMinutes()/60) + (d.getSeconds()/3600);
+    // Save alarm
+    return {
+      on : en,
+      timer : (hrs*60)+mins,
+      hr : hr,
+      rp : false, as: false
+    };
+  }
+  menu["> Save"] = function() {
+    if (newAlarm) alarms.push(getTimer());
+    else alarms[alarmIndex] = getTimer();
+    require("Storage").write("alarm.json",JSON.stringify(alarms));
+    showMainMenu();
+  };
+  if (!newAlarm) {
+    menu["> Delete"] = function() {
+      alarms.splice(alarmIndex,1);
+      require("Storage").write("alarm.json",JSON.stringify(alarms));
+      showMainMenu();
+    };
+  }
+  menu['< Back'] = showMainMenu;
+  return E.showMenu(menu);
+}
+
 showMainMenu();