michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /**
michael@0:  * This component triggers an app update check even when system updates are
michael@0:  * disabled to make sure we always check for app updates.
michael@0:  */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: Cu.import("resource://gre/modules/WebappsUpdater.jsm");
michael@0: 
michael@0: function debug(aStr) {
michael@0:   //dump("--*-- WebappsUpdateTimer: " + aStr);
michael@0: }
michael@0: 
michael@0: function WebappsUpdateTimer() {
michael@0: }
michael@0: 
michael@0: WebappsUpdateTimer.prototype = {
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback]),
michael@0:   classID: Components.ID("{637b0f77-2429-49a0-915f-abf5d0db8b9a}"),
michael@0: 
michael@0:   notify: function(aTimer) {
michael@0:     try {
michael@0:       // We want to check app updates if system updates are disabled or
michael@0:       // if they update frecency is not daily.
michael@0:       if (Services.prefs.getBoolPref("app.update.enabled") === true &&
michael@0:           Services.prefs.getIntPref("app.update.interval") === 86400) {
michael@0:         return;
michael@0:       }
michael@0:     } catch(e) {
michael@0:       // That should never happen..
michael@0:     }
michael@0: 
michael@0:     // If we are offline, wait to be online to start the update check.
michael@0:     if (Services.io.offline) {
michael@0:       debug("Network is offline. Setting up an offline status observer.");
michael@0:       Services.obs.addObserver(this, "network:offline-status-changed", false);
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     // This will trigger app updates in b2g/components/WebappsUpdater.jsm
michael@0:     // that also takes care of notifying gaia.
michael@0:     WebappsUpdater.updateApps();
michael@0:   },
michael@0: 
michael@0:   observe: function(aSubject, aTopic, aData) {
michael@0:     if (aTopic !== "network:offline-status-changed" ||
michael@0:         aData !== "online") {
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     debug("Network is online. Checking updates.");
michael@0:     Services.obs.removeObserver(this, "network:offline-status-changed");
michael@0:     WebappsUpdater.updateApps();
michael@0:   }
michael@0: };
michael@0: 
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebappsUpdateTimer]);