1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/mobile/android/components/WebappsUpdateTimer.js Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,65 @@ 1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file, 1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.7 + 1.8 +/** 1.9 + * This component triggers a periodic webapp update check. 1.10 + */ 1.11 + 1.12 +"use strict"; 1.13 + 1.14 +const Cc = Components.classes; 1.15 +const Ci = Components.interfaces; 1.16 +const Cu = Components.utils; 1.17 + 1.18 +Cu.import("resource://gre/modules/Services.jsm"); 1.19 +Cu.import("resource://gre/modules/WebappManager.jsm"); 1.20 +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); 1.21 + 1.22 +function log(message) { 1.23 + // We use *dump* instead of Services.console.logStringMessage so the messages 1.24 + // have the INFO level of severity instead of the ERROR level. And we don't 1.25 + // append a newline character to the end of the message because *dump* spills 1.26 + // into the Android native logging system, which strips newlines from messages 1.27 + // and breaks messages into lines automatically at display time (i.e. logcat). 1.28 + dump(message); 1.29 +} 1.30 + 1.31 +function WebappsUpdateTimer() {} 1.32 + 1.33 +WebappsUpdateTimer.prototype = { 1.34 + QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback, 1.35 + Ci.nsISupportsWeakReference]), 1.36 + classID: Components.ID("{8f7002cb-e959-4f0a-a2e8-563232564385}"), 1.37 + 1.38 + notify: function(aTimer) { 1.39 + if (Services.prefs.getIntPref("browser.webapps.checkForUpdates") == 0) { 1.40 + // Do nothing, because updates are disabled. 1.41 + log("Webapps update timer invoked in webapp process; ignoring."); 1.42 + return; 1.43 + } 1.44 + 1.45 + // If we are offline, wait to be online to start the update check. 1.46 + if (Services.io.offline) { 1.47 + log("network offline for webapp update check; waiting"); 1.48 + Services.obs.addObserver(this, "network:offline-status-changed", true); 1.49 + return; 1.50 + } 1.51 + 1.52 + log("periodic check for webapp updates"); 1.53 + WebappManager.checkForUpdates(); 1.54 + }, 1.55 + 1.56 + observe: function(aSubject, aTopic, aData) { 1.57 + if (aTopic !== "network:offline-status-changed" || aData !== "online") { 1.58 + return; 1.59 + } 1.60 + 1.61 + log("network back online for webapp update check; commencing"); 1.62 + // TODO: observe pref to do this only on wifi. 1.63 + Services.obs.removeObserver(this, "network:offline-status-changed"); 1.64 + WebappManager.checkForUpdates(); 1.65 + } 1.66 +}; 1.67 + 1.68 +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebappsUpdateTimer]);