gecko-dev/toolkit/components/telemetry/TelemetryStartup.js

50 lines
1.9 KiB
JavaScript

/* -*- js-indent-level: 2; indent-tabs-mode: nil -*- */
/* 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 {classes: Cc, interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
XPCOMUtils.defineLazyModuleGetter(this, "TelemetryController",
"resource://gre/modules/TelemetryController.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "TelemetryEnvironment",
"resource://gre/modules/TelemetryEnvironment.jsm");
/**
* TelemetryStartup is needed to forward the "profile-after-change" notification
* to TelemetryController.jsm.
*/
function TelemetryStartup() {
}
TelemetryStartup.prototype.classID = Components.ID("{117b219f-92fe-4bd2-a21b-95a342a9d474}");
TelemetryStartup.prototype.QueryInterface = XPCOMUtils.generateQI([Components.interfaces.nsIObserver]);
TelemetryStartup.prototype.observe = function(aSubject, aTopic, aData) {
if (aTopic == "profile-after-change" || aTopic == "app-startup") {
TelemetryController.observe(null, aTopic, null);
}
if (aTopic == "profile-after-change") {
annotateEnvironment();
TelemetryEnvironment.registerChangeListener("CrashAnnotator", annotateEnvironment);
TelemetryEnvironment.onInitialized().then(() => annotateEnvironment());
}
}
function annotateEnvironment() {
try {
let cr = Cc["@mozilla.org/toolkit/crash-reporter;1"];
if (cr) {
let env = JSON.stringify(TelemetryEnvironment.currentEnvironment);
cr.getService(Ci.nsICrashReporter).annotateCrashReport("TelemetryEnvironment", env);
}
} catch (e) {
// crash reporting not built or disabled? Ignore errors
}
}
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([TelemetryStartup]);