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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 /* |
| 6 Displays a notification with the current time. Requires "notifications" |
| 7 permission in the manifest file (or calling |
| 8 "webkitNotifications.requestPermission" beforehand). |
| 9 */ |
| 10 function show() { |
| 11 var time = /(..)(:..)/.exec(new Date()); // The prettyprinted time. |
| 12 var hour = time[1] % 12 || 12; // The prettyprinted hour. |
| 13 var period = time[1] < 12 ? 'a.m.' : 'p.m.'; // The period of the day. |
| 14 var notification = window.webkitNotifications.createNotification( |
| 15 '48.png', // The image. |
| 16 hour + time[2] + ' ' + period, // The title. |
| 17 'Time to make the toast.' // The body. |
| 18 ); |
| 19 notification.show(); |
| 20 } |
| 21 |
| 22 // Conditionally initialize the options. |
| 23 if (!localStorage.isInitialized) { |
| 24 localStorage.isActivated = true; // The display activation. |
| 25 localStorage.frequency = 1; // The display frequency, in minutes. |
| 26 localStorage.isInitialized = true; // The option initialization. |
| 27 } |
| 28 |
| 29 // Test for notification support. |
| 30 if (window.webkitNotifications) { |
| 31 // While activated, show notifications at the display frequency. |
| 32 if (JSON.parse(localStorage.isActivated)) { show(); } |
| 33 |
| 34 var interval = 0; // The display interval, in minutes. |
| 35 |
| 36 setInterval(function() { |
| 37 interval++; |
| 38 |
| 39 if ( |
| 40 JSON.parse(localStorage.isActivated) && |
| 41 localStorage.frequency <= interval |
| 42 ) { |
| 43 show(); |
| 44 interval = 0; |
| 45 } |
| 46 }, 60000); |
| 47 } |
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