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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
"use strict";
var gSWM;
var gSWCount = 0;
function init() {
let enabled = Services.prefs.getBoolPref("dom.serviceWorkers.enabled");
if (!enabled) {
let div = document.getElementById("warning_not_enabled");
div.classList.add("active");
return;
}
gSWM = Cc["@mozilla.org/serviceworkers/manager;1"].getService(
Ci.nsIServiceWorkerManager
);
if (!gSWM) {
dump(
"AboutServiceWorkers: Failed to get the ServiceWorkerManager service!\n"
);
return;
}
let data = gSWM.getAllRegistrations();
if (!data) {
dump("AboutServiceWorkers: Failed to retrieve the registrations.\n");
return;
}
let length = data.length;
if (!length) {
let div = document.getElementById("warning_no_serviceworkers");
div.classList.add("active");
return;
}
let ps = undefined;
try {
ps = Cc["@mozilla.org/push/Service;1"].getService(Ci.nsIPushService);
} catch (e) {
dump("Could not acquire PushService\n");
}
for (let i = 0; i < length; ++i) {
let info = data.queryElementAt(i, Ci.nsIServiceWorkerRegistrationInfo);
if (!info) {
dump(
"AboutServiceWorkers: Invalid nsIServiceWorkerRegistrationInfo interface.\n"
);
continue;
}
display(info, ps);
}
}
async function display(info, pushService) {
let parent = document.getElementById("serviceworkers");
let div = document.createElement("div");
parent.appendChild(div);
let title = document.createElement("h2");
document.l10n.setAttributes(title, "origin-title", {
originTitle: info.principal.origin,
});
div.appendChild(title);
let list = document.createElement("ul");
div.appendChild(list);
function createItem(l10nId, value, makeLink) {
let item = document.createElement("li");
list.appendChild(item);
let bold = document.createElement("strong");
bold.setAttribute("data-l10n-name", "item-label");
item.appendChild(bold);
// Falsey values like "" are still valid values, so check exactly against
// undefined for the cases where the caller did not provide any value.
if (value === undefined) {
document.l10n.setAttributes(item, l10nId);
} else if (makeLink) {
let link = document.createElement("a");
link.setAttribute("target", "_blank");
link.setAttribute("data-l10n-name", "link");
link.setAttribute("href", value);
item.appendChild(link);
document.l10n.setAttributes(item, l10nId, { url: value });
} else {
document.l10n.setAttributes(item, l10nId, { name: value });
}
return item;
}
createItem("scope", info.scope);
createItem("script-spec", info.scriptSpec, true);
let currentWorkerURL = info.activeWorker ? info.activeWorker.scriptSpec : "";
createItem("current-worker-url", currentWorkerURL, true);
let activeCacheName = info.activeWorker ? info.activeWorker.cacheName : "";
createItem("active-cache-name", activeCacheName);
let waitingCacheName = info.waitingWorker ? info.waitingWorker.cacheName : "";
createItem("waiting-cache-name", waitingCacheName);
let pushItem = createItem("push-end-point-waiting");
if (pushService) {
pushService.getSubscription(
info.scope,
info.principal,
(status, pushRecord) => {
if (Components.isSuccessCode(status)) {
document.l10n.setAttributes(pushItem, "push-end-point-result", {
name: JSON.stringify(pushRecord),
});
} else {
dump("about:serviceworkers - retrieving push registration failed\n");
}
}
);
}
let unregisterButton = document.createElement("button");
document.l10n.setAttributes(unregisterButton, "unregister-button");
div.appendChild(unregisterButton);
let loadingMessage = document.createElement("span");
document.l10n.setAttributes(loadingMessage, "waiting");
loadingMessage.classList.add("inactive");
div.appendChild(loadingMessage);
unregisterButton.onclick = function () {
let cb = {
unregisterSucceeded() {
parent.removeChild(div);
if (!--gSWCount) {
let div = document.getElementById("warning_no_serviceworkers");
div.classList.add("active");
}
},
async unregisterFailed() {
let [alertMsg] = await document.l10n.formatValues([
{ id: "unregister-error" },
]);
alert(alertMsg);
},
QueryInterface: ChromeUtils.generateQI([
"nsIServiceWorkerUnregisterCallback",
]),
};
loadingMessage.classList.remove("inactive");
gSWM.propagateUnregister(info.principal, cb, info.scope);
};
let sep = document.createElement("hr");
div.appendChild(sep);
++gSWCount;
}
window.addEventListener(
"DOMContentLoaded",
function () {
init();
},
{ once: true }
);