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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
import { WorkerTargetWatcherClass } from "resource://devtools/server/connectors/js-process-actor/target-watchers/worker.sys.mjs";
import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
const lazy = {};
XPCOMUtils.defineLazyServiceGetter(
lazy,
"wdm",
"@mozilla.org/dom/workers/workerdebuggermanager;1",
"nsIWorkerDebuggerManager"
);
class ServiceWorkerTargetWatcherClass extends WorkerTargetWatcherClass {
constructor() {
super("service_worker");
}
// replicate WorkerTargetWatcherClass private attribute
#workerTargetType = "service_worker";
/**
* Called whenever the debugged browser element navigates to a new page
* and the URL's host changes.
* This is used to maintain the list of active Service Worker targets
* based on that host name.
*
* @param {Object} watcherDataObject
* See ContentProcessWatcherRegistry
*/
async updateBrowserElementHost(watcherDataObject) {
const { sessionData } = watcherDataObject;
// Create target actor matching this new host.
// Note that we may be navigating to the same host name and the target will already exist.
const promises = [];
for (const dbg of lazy.wdm.getWorkerDebuggerEnumerator()) {
const alreadyCreated = watcherDataObject.workers[
this.#workerTargetType
].some(info => info.dbg === dbg);
if (
this.shouldHandleWorker(sessionData, dbg, "service_worker") &&
!alreadyCreated
) {
promises.push(this.createWorkerTargetActor(watcherDataObject, dbg));
}
}
await Promise.all(promises);
}
}
export const ServiceWorkerTargetWatcher = new ServiceWorkerTargetWatcherClass();