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/* 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";
/**
* Note: the schema can be found in
* https://searchfox.org/mozilla-central/source/toolkit/components/telemetry/Events.yaml
*/
const EXTRAS_FIELD_NAMES = [
"addon_version",
"session_id",
"page",
"user_prefs",
"action_position",
];
class UTEventReporting {
constructor() {
Services.telemetry.setEventRecordingEnabled("activity_stream", true);
this.sendUserEvent = this.sendUserEvent.bind(this);
this.sendSessionEndEvent = this.sendSessionEndEvent.bind(this);
}
_createExtras(data) {
// Make a copy of the given data and delete/modify it as needed.
let utExtras = Object.assign({}, data);
for (let field of Object.keys(utExtras)) {
if (EXTRAS_FIELD_NAMES.includes(field)) {
utExtras[field] = String(utExtras[field]);
continue;
}
delete utExtras[field];
}
return utExtras;
}
sendUserEvent(data) {
let mainFields = ["event", "source"];
let eventFields = mainFields.map(field => String(data[field]) || null);
Services.telemetry.recordEvent(
"activity_stream",
"event",
...eventFields,
this._createExtras(data)
);
}
sendSessionEndEvent(data) {
Services.telemetry.recordEvent(
"activity_stream",
"end",
"session",
String(data.session_duration),
this._createExtras(data)
);
}
uninit() {
Services.telemetry.setEventRecordingEnabled("activity_stream", false);
}
}
const EXPORTED_SYMBOLS = ["UTEventReporting"];
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