Mercurial > libervia-web
view browser_side/notification.py @ 388:893451e35686
server_side: display blog banner if it is defined
author | souliane <souliane@mailoo.org> |
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date | Tue, 25 Feb 2014 11:31:11 +0100 |
parents | 835a8ae799e7 |
children | f9130176bc8d |
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from __pyjamas__ import JS class Notification(object): """ If the browser supports it, the user allowed it to and the tab is in the background, send desktop notifications on messages. Requires both Web Notifications and Page Visibility API. """ def __init__(self): JS(""" this.enabled = false; if (!('hidden' in document)) document.hidden = false; if (!('Notification' in window)) return; if (Notification.permission === 'granted') this.enabled = true; else if (Notification.permission === 'default') { Notification.requestPermission(function(permission){ if (permission !== 'granted') return; this.enabled = true; }); } """) def notify(self, title, body, icon='/media/icons/apps/48/sat.png'): JS(""" if (this.enabled && document.hidden) { notification = Notification(title, {body: body, icon: icon}); // Probably won’t work, but it doesn’t hurt to try. notification.addEventListener('click', function() { window.focus(); }); } """)