The Tor Browser: mobile/android/components/WebappsUpdateTimer.js@fc2d59ddac77

     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 a periodic webapp update check.

     7  */

     9 "use strict";

    11 const Cc = Components.classes;

    12 const Ci = Components.interfaces;

    13 const Cu = Components.utils;

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

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

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

    19 function log(message) {

    20   // We use *dump* instead of Services.console.logStringMessage so the messages

    21   // have the INFO level of severity instead of the ERROR level.  And we don't

    22   // append a newline character to the end of the message because *dump* spills

    23   // into the Android native logging system, which strips newlines from messages

    24   // and breaks messages into lines automatically at display time (i.e. logcat).

    25   dump(message);

    26 }

    28 function WebappsUpdateTimer() {}

    30 WebappsUpdateTimer.prototype = {

    31   QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback,

    32                                          Ci.nsISupportsWeakReference]),

    33   classID: Components.ID("{8f7002cb-e959-4f0a-a2e8-563232564385}"),

    35   notify: function(aTimer) {

    36     if (Services.prefs.getIntPref("browser.webapps.checkForUpdates") == 0) {

    37       // Do nothing, because updates are disabled.

    38       log("Webapps update timer invoked in webapp process; ignoring.");

    39       return;

    40     }

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

    43     if (Services.io.offline) {

    44       log("network offline for webapp update check; waiting");

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

    46       return;

    47     }

    49     log("periodic check for webapp updates");

    50     WebappManager.checkForUpdates();

    51   },

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

    54     if (aTopic !== "network:offline-status-changed" || aData !== "online") {

    55       return;

    56     }

    58     log("network back online for webapp update check; commencing");

    59     // TODO: observe pref to do this only on wifi.

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

    61     WebappManager.checkForUpdates();

    62   }

    63 };

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

The Tor Browser / file revision