gecko-dev/toolkit/forgetaboutsite/ServiceWorkerCleanUp.jsm

61 строка
2.1 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";
ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "serviceWorkerManager",
"@mozilla.org/serviceworkers/manager;1",
"nsIServiceWorkerManager");
this.EXPORTED_SYMBOLS = ["ServiceWorkerCleanUp"];
function unregisterServiceWorker(aSW) {
return new Promise(resolve => {
let unregisterCallback = {
unregisterSucceeded: resolve,
unregisterFailed: resolve, // We don't care about failures.
QueryInterface: ChromeUtils.generateQI([Ci.nsIServiceWorkerUnregisterCallback])
};
serviceWorkerManager.propagateUnregister(aSW.principal, unregisterCallback, aSW.scope);
});
}
this.ServiceWorkerCleanUp = {
removeFromHost(aHost) {
let promises = [];
let serviceWorkers = serviceWorkerManager.getAllRegistrations();
for (let i = 0; i < serviceWorkers.length; i++) {
let sw = serviceWorkers.queryElementAt(i, Ci.nsIServiceWorkerRegistrationInfo);
if (sw.principal.URI.host == aHost) {
promises.push(unregisterServiceWorker(sw));
}
}
return Promise.all(promises);
},
removeFromPrincipal(aPrincipal) {
let promises = [];
let serviceWorkers = serviceWorkerManager.getAllRegistrations();
for (let i = 0; i < serviceWorkers.length; i++) {
let sw = serviceWorkers.queryElementAt(i, Ci.nsIServiceWorkerRegistrationInfo);
if (sw.principal.equals(aPrincipal)) {
promises.push(unregisterServiceWorker(sw));
}
}
return Promise.all(promises);
},
removeAll() {
let promises = [];
let serviceWorkers = serviceWorkerManager.getAllRegistrations();
for (let i = 0; i < serviceWorkers.length; i++) {
let sw = serviceWorkers.queryElementAt(i, Ci.nsIServiceWorkerRegistrationInfo);
promises.push(unregisterServiceWorker(sw));
}
return Promise.all(promises);
},
};