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| 1 <!-- | 1 <!-- |
| 2 A background page that manages notifications. | 2 A background page that manages notifications. |
| 3 | 3 |
| 4 Copyright 2010 the Chromium Authors | 4 Copyright 2010 the Chromium Authors |
| 5 | 5 |
| 6 Use of this source code is governed by a BSD-style license that can be found | 6 Use of this source code is governed by a BSD-style license that can be found |
| 7 in the "LICENSE" file. | 7 in the "LICENSE" file. |
| 8 | 8 |
| 9 Brian Kennish <bkennish@chromium.org> | 9 Brian Kennish <bkennish@chromium.org> |
| 10 --> | 10 --> |
| 11 <script> | 11 <!doctype html> |
| 12 /* | 12 <html> |
| 13 Displays a notification with the current time. Requires "notifications" | 13 <head> |
| 14 permission in the manifest file (or calling | 14 <title>Background Page</title> |
| 15 "webkitNotifications.requestPermission" beforehand). | 15 <script src="background.js"></script> |
| 16 */ | 16 </head> |
| 17 function show() { | 17 <body> |
| 18 var time = /(..)(:..)/(Date()); // The prettyprinted time. | 18 </body> |
| 19 var hour = time[1] % 12 || 12; // The prettyprinted hour. | 19 </html> |
| 20 var period = time[1] < 12 ? 'a.m.' : 'p.m.'; // The period of the day. | |
| 21 var notification = webkitNotifications.createNotification( | |
| 22 '48.png', // The image. | |
| 23 hour + time[2] + ' ' + period, // The title. | |
| 24 'Time to make the toast.' // The body. | |
| 25 ); | |
| 26 notification.show(); | |
| 27 } | |
| 28 | |
| 29 // Conditionally initialize the options. | |
| 30 if (!localStorage.isInitialized) { | |
| 31 localStorage.isActivated = true; // The display activation. | |
| 32 localStorage.frequency = 1; // The display frequency, in minutes. | |
| 33 localStorage.isInitialized = true; // The option initialization. | |
| 34 } | |
| 35 | |
| 36 // Test for notification support. | |
| 37 if (webkitNotifications) { | |
| 38 // While activated, show notifications at the display frequency. | |
| 39 if (JSON.parse(localStorage.isActivated)) { show(); } | |
| 40 | |
| 41 var interval = 0; // The display interval, in minutes. | |
| 42 | |
| 43 setInterval(function() { | |
| 44 interval++; | |
| 45 | |
| 46 if ( | |
| 47 JSON.parse(localStorage.isActivated) && | |
| 48 localStorage.frequency <= interval | |
| 49 ) { | |
| 50 show(); | |
| 51 interval = 0; | |
| 52 } | |
| 53 }, 60000); | |
| 54 } else { | |
| 55 // Show a new tab with an error message. | |
| 56 chrome.tabs.create({url: 'error.html'}); | |
| 57 } | |
| 58 </script> | |
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Chromium Code Reviews
Issue 8309001:
Adding `content_security_policy` to a few sample extensions. (Closed)
Base URL: http://git.chromium.org/git/chromium.git@trunk