41 lines
1.3 KiB
JavaScript
41 lines
1.3 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";
|
|
|
|
class LastPrivateContextExitWatcher {
|
|
#onAvailable;
|
|
|
|
/**
|
|
* Start watching for all times where we close a private browsing top level window.
|
|
* Meaning we should clear the console for all logs generated from these private browsing contexts.
|
|
*
|
|
* @param WatcherActor watcherActor
|
|
* The watcher actor in the parent process from which we should
|
|
* observe these events.
|
|
* @param Object options
|
|
* Dictionary object with following attributes:
|
|
* - onAvailable: mandatory function
|
|
* This will be called for each resource.
|
|
*/
|
|
async watch(watcherActor, { onAvailable }) {
|
|
this.#onAvailable = onAvailable;
|
|
Services.obs.addObserver(this, "last-pb-context-exited");
|
|
}
|
|
|
|
observe(subject, topic) {
|
|
if (topic === "last-pb-context-exited") {
|
|
this.#onAvailable([
|
|
// This resource doesn't transfer any data to the client, it is like a one shot event.
|
|
{},
|
|
]);
|
|
}
|
|
}
|
|
|
|
destroy() {
|
|
Services.obs.removeObserver(this, "last-pb-context-exited");
|
|
}
|
|
}
|
|
|
|
module.exports = LastPrivateContextExitWatcher;
|