gecko-dev/b2g/components/WebappsUpdateTimer.js

68 строки
2.1 KiB
JavaScript
Исходник Обычный вид История

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This component triggers an app update check even when system updates are
* disabled to make sure we always check for app updates.
*/
"use strict";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/WebappsUpdater.jsm");
function debug(aStr) {
//dump("--*-- WebappsUpdateTimer: " + aStr);
}
function WebappsUpdateTimer() {
}
WebappsUpdateTimer.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback]),
classID: Components.ID("{637b0f77-2429-49a0-915f-abf5d0db8b9a}"),
notify: function(aTimer) {
try {
// We want to check app updates if system updates are disabled or
// if they update frecency is not daily.
if (Services.prefs.getBoolPref("app.update.enabled") === true &&
Services.prefs.getIntPref("app.update.interval") === 86400) {
return;
}
} catch(e) {
// That should never happen..
}
// If we are offline, wait to be online to start the update check.
if (Services.io.offline) {
debug("Network is offline. Setting up an offline status observer.");
Services.obs.addObserver(this, "network:offline-status-changed", false);
return;
}
// This will trigger app updates in b2g/components/WebappsUpdater.jsm
// that also takes care of notifying gaia.
WebappsUpdater.updateApps();
},
observe: function(aSubject, aTopic, aData) {
if (aTopic !== "network:offline-status-changed" ||
aData !== "online") {
return;
}
debug("Network is online. Checking updates.");
Services.obs.removeObserver(this, "network:offline-status-changed");
WebappsUpdater.updateApps();
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebappsUpdateTimer]);