The Tor Browser: b2g/components/WebappsUpdateTimer.js@925c144e1f1f

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     3  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 /**

     6  * This component triggers an app update check even when system updates are

     7  * disabled to make sure we always check for app updates.

     8  */

    10 "use strict";

    12 const Cc = Components.classes;

    13 const Ci = Components.interfaces;

    14 const Cu = Components.utils;

    16 Cu.import("resource://gre/modules/XPCOMUtils.jsm");

    17 Cu.import("resource://gre/modules/Services.jsm");

    18 Cu.import("resource://gre/modules/WebappsUpdater.jsm");

    20 function debug(aStr) {

    21   //dump("--*-- WebappsUpdateTimer: " + aStr);

    22 }

    24 function WebappsUpdateTimer() {

    25 }

    27 WebappsUpdateTimer.prototype = {

    28   QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback]),

    29   classID: Components.ID("{637b0f77-2429-49a0-915f-abf5d0db8b9a}"),

    31   notify: function(aTimer) {

    32     try {

    33       // We want to check app updates if system updates are disabled or

    34       // if they update frecency is not daily.

    35       if (Services.prefs.getBoolPref("app.update.enabled") === true &&

    36           Services.prefs.getIntPref("app.update.interval") === 86400) {

    37         return;

    38       }

    39     } catch(e) {

    40       // That should never happen..

    41     }

    43     // If we are offline, wait to be online to start the update check.

    44     if (Services.io.offline) {

    45       debug("Network is offline. Setting up an offline status observer.");

    46       Services.obs.addObserver(this, "network:offline-status-changed", false);

    47       return;

    48     }

    50     // This will trigger app updates in b2g/components/WebappsUpdater.jsm

    51     // that also takes care of notifying gaia.

    52     WebappsUpdater.updateApps();

    53   },

    55   observe: function(aSubject, aTopic, aData) {

    56     if (aTopic !== "network:offline-status-changed" ||

    57         aData !== "online") {

    58       return;

    59     }

    61     debug("Network is online. Checking updates.");

    62     Services.obs.removeObserver(this, "network:offline-status-changed");

    63     WebappsUpdater.updateApps();

    64   }

    65 };

    67 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebappsUpdateTimer]);

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