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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";
let { classes: Cc, interfaces: Ci, utils: Cu } = Components;
let swm = Cc["@mozilla.org/serviceworkers/manager;1"].
getService(Ci.nsIServiceWorkerManager);
addMessageListener("serviceWorkerRegistration:start", message => {
let { data } = message;
let array = swm.getAllRegistrations();
// Find the service worker registration with the desired scope.
for (let i = 0; i < array.length; i++) {
let registration =
array.queryElementAt(i, Ci.nsIServiceWorkerRegistrationInfo);
// XXX: In some rare cases, `registration.activeWorker` can be null for a
// brief moment (e.g. while the service worker is first installing, or if
// there was an unhandled exception during install that will cause the
// registration to be removed). We can't do much about it here, simply
// ignore these cases.
if (registration.scope === data.scope && registration.activeWorker) {
// Briefly attaching a debugger to the active service worker will cause
// it to start running.
registration.activeWorker.attachDebugger();
registration.activeWorker.detachDebugger();
return;
}
}
});
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