The Tor Browser / file comparison
comparison: mobile/android/components/WebappsUpdateTimer.js
mobile/android/components/WebappsUpdateTimer.js
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- 6474c204b198
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| 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/. */ | |
| 4 | |
| 5 /** | |
| 6 * This component triggers a periodic webapp update check. | |
| 7 */ | |
| 8 | |
| 9 "use strict"; | |
| 10 | |
| 11 const Cc = Components.classes; | |
| 12 const Ci = Components.interfaces; | |
| 13 const Cu = Components.utils; | |
| 14 | |
| 15 Cu.import("resource://gre/modules/Services.jsm"); | |
| 16 Cu.import("resource://gre/modules/WebappManager.jsm"); | |
| 17 Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | |
| 18 | |
| 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 } | |
| 27 | |
| 28 function WebappsUpdateTimer() {} | |
| 29 | |
| 30 WebappsUpdateTimer.prototype = { | |
| 31 QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback, | |
| 32 Ci.nsISupportsWeakReference]), | |
| 33 classID: Components.ID("{8f7002cb-e959-4f0a-a2e8-563232564385}"), | |
| 34 | |
| 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 } | |
| 41 | |
| 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 } | |
| 48 | |
| 49 log("periodic check for webapp updates"); | |
| 50 WebappManager.checkForUpdates(); | |
| 51 }, | |
| 52 | |
| 53 observe: function(aSubject, aTopic, aData) { | |
| 54 if (aTopic !== "network:offline-status-changed" || aData !== "online") { | |
| 55 return; | |
| 56 } | |
| 57 | |
| 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 }; | |
| 64 | |
| 65 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebappsUpdateTimer]); |
