gecko-dev/toolkit/components/processsingleton/ContentProcessSingleton.js

43 строки
1.5 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/. */
"use strict";
ChromeUtils.import("resource://gre/modules/Services.jsm");
ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetters(this, {
GeckoViewTelemetryController: "resource://gre/modules/GeckoViewTelemetryController.jsm",
TelemetryController: "resource://gre/modules/TelemetryController.jsm",
});
function ContentProcessSingleton() {}
ContentProcessSingleton.prototype = {
classID: Components.ID("{ca2a8470-45c7-11e4-916c-0800200c9a66}"),
QueryInterface: ChromeUtils.generateQI([Ci.nsIObserver,
Ci.nsISupportsWeakReference]),
observe(subject, topic, data) {
switch (topic) {
case "app-startup": {
Services.obs.addObserver(this, "xpcom-shutdown");
// Initialize Telemetry in the content process: use a different
// controller depending on the platform.
if (Services.prefs.getBoolPref("toolkit.telemetry.isGeckoViewMode", false)) {
GeckoViewTelemetryController.setup();
return;
}
// Initialize Firefox Desktop Telemetry.
TelemetryController.observe(null, topic, null);
break;
}
case "xpcom-shutdown":
Services.obs.removeObserver(this, "xpcom-shutdown");
break;
}
},
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentProcessSingleton]);