gecko-dev/mobile/android/components/WebappsUpdateTimer.js

92 lines
2.8 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This component triggers a periodic webapp update check.
*/
"use strict";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/JNI.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/WebappManager.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
const Log = Cu.import("resource://gre/modules/AndroidLog.jsm", {}).AndroidLog.bind("WebappsUpdateTimer");
function getContextClassName() {
let jenv = null;
try {
jenv = JNI.GetForThread();
let GeckoAppShell = JNI.LoadClass(jenv, "org.mozilla.gecko.GeckoAppShell", {
static_methods: [
{ name: "getContext", sig: "()Landroid/content/Context;" }
],
});
JNI.LoadClass(jenv, "android.content.Context", {
methods: [
{ name: "getClass", sig: "()Ljava/lang/Class;" },
],
});
JNI.LoadClass(jenv, "java.lang.Class", {
methods: [
{ name: "getName", sig: "()Ljava/lang/String;" },
],
});
return JNI.ReadString(jenv, GeckoAppShell.getContext().getClass().getName());
} finally {
if (jenv) {
JNI.UnloadClasses(jenv);
}
}
}
function WebappsUpdateTimer() {}
WebappsUpdateTimer.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback,
Ci.nsISupportsWeakReference]),
classID: Components.ID("{8f7002cb-e959-4f0a-a2e8-563232564385}"),
notify: function(aTimer) {
// Ignore the timer if automatic update checks are disabled or if this
// is a webapp process (since we only want to bug people about updates
// from the browser process).
if (Services.prefs.getIntPref("browser.webapps.checkForUpdates") == 0 ||
getContextClassName().startsWith("org.mozilla.gecko.webapp")) {
return;
}
// If we are offline, wait to be online to start the update check.
if (Services.io.offline) {
Log.i("network offline for webapp update check; waiting");
Services.obs.addObserver(this, "network:offline-status-changed", true);
return;
}
Log.i("periodic check for webapp updates");
WebappManager.checkForUpdates();
},
observe: function(aSubject, aTopic, aData) {
if (aTopic !== "network:offline-status-changed" || aData !== "online") {
return;
}
Log.i("network back online for webapp update check; commencing");
Services.obs.removeObserver(this, "network:offline-status-changed");
WebappManager.checkForUpdates();
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebappsUpdateTimer]);