Mercurial > libervia-web
comparison browser_side/notification.py @ 328:835a8ae799e7
Add notifications support, fixes bug 7.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Sat, 23 Feb 2013 16:27:32 +0100 |
| parents | |
| children | f9130176bc8d |
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| 327:6126bd24e7dd | 328:835a8ae799e7 |
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| 1 from __pyjamas__ import JS | |
| 2 | |
| 3 | |
| 4 class Notification(object): | |
| 5 """ | |
| 6 If the browser supports it, the user allowed it to and the tab is in the | |
| 7 background, send desktop notifications on messages. | |
| 8 | |
| 9 Requires both Web Notifications and Page Visibility API. | |
| 10 """ | |
| 11 | |
| 12 def __init__(self): | |
| 13 JS(""" | |
| 14 this.enabled = false; | |
| 15 | |
| 16 if (!('hidden' in document)) | |
| 17 document.hidden = false; | |
| 18 | |
| 19 if (!('Notification' in window)) | |
| 20 return; | |
| 21 | |
| 22 if (Notification.permission === 'granted') | |
| 23 this.enabled = true; | |
| 24 | |
| 25 else if (Notification.permission === 'default') { | |
| 26 Notification.requestPermission(function(permission){ | |
| 27 if (permission !== 'granted') | |
| 28 return; | |
| 29 | |
| 30 this.enabled = true; | |
| 31 }); | |
| 32 } | |
| 33 """) | |
| 34 | |
| 35 def notify(self, title, body, icon='/media/icons/apps/48/sat.png'): | |
| 36 JS(""" | |
| 37 if (this.enabled && document.hidden) { | |
| 38 notification = Notification(title, {body: body, icon: icon}); | |
| 39 | |
| 40 // Probably won’t work, but it doesn’t hurt to try. | |
| 41 notification.addEventListener('click', function() { | |
| 42 window.focus(); | |
| 43 }); | |
| 44 } | |
| 45 """) |