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gaia/apps/clock/js/connection/alarm.js

@@ -0,0 +1,49 @@
+define(function(require, exports) {
+'use strict';
+
+var Alarm = require('alarm');
+var parseTime = require('ext/parse_loose_time');
+
+exports.onmessage = function(event, port) {
+  if (event.data.type !== 'create') {
+    port.postMessage({
+      error: `Error: Invalid gaia_alarm message type "${event.data.type}"`
+    });
+    return;
+  }
+
+  var time = event.data.time;
+  var timeObject = typeof time === 'object' ? time : parseTime(time);
+
+  if (!isValidTime(timeObject)) {
+    port.postMessage({
+      error: `Invalid alarm time "${time}"`
+    });
+    return;
+  }
+
+  var alarm = new Alarm(timeObject);
+  alarm.schedule('normal').then(() => {
+    window.dispatchEvent(new CustomEvent('alarm-changed', {
+      detail: { alarm: alarm, showBanner: false }
+    }));
+    port.postMessage({
+      hour: timeObject.hour,
+      minute: timeObject.minute,
+      time: alarm.getNextAlarmFireTime().getTime()
+    });
+  }).catch(err => {
+    port.postMessage({
+      error: `${err.message} ${err.stack}`
+    });
+  });
+};
+
+function isValidTime(time) {
+  // time can be "null" and "typeof null === 'object'"
+  return time && typeof time === 'object' && 'hour' in time &&
+    time.hour >= 0 && time.hour <= 24 && 'minute' in time &&
+    time.minute >= 0 && time.minute <= 59;
+}
+
+});