/* 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";

const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
const { XPCOMUtils } = 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;
    }
  },
};

var EXPORTED_SYMBOLS = ["ContentProcessSingleton"];