gecko-dev/toolkit/modules/AboutPagesUtils.jsm

40 строки
1.3 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
* vim: sw=2 ts=2 sts=2 expandtab
* 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";
const EXPORTED_SYMBOLS = ["AboutPagesUtils"];
const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
const {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
const AboutPagesUtils = {};
XPCOMUtils.defineLazyGetter(AboutPagesUtils, "visibleAboutUrls", () => {
const urls = [];
const rx = /@mozilla.org\/network\/protocol\/about;1\?what\=(.*)$/;
for (const cid in Cc) {
const result = cid.match(rx);
if (!result) {
continue;
}
const [, aboutType] = result;
try {
const am = Cc[cid].getService(Ci.nsIAboutModule);
const uri = Services.io.newURI(`about:${aboutType}`);
const flags = am.getURIFlags(uri);
if (!(flags & Ci.nsIAboutModule.HIDE_FROM_ABOUTABOUT)) {
urls.push(`about:${aboutType}`);
}
} catch (e) {
// getService() might have thrown if the component doesn't actually
// implement nsIAboutModule
}
}
urls.sort();
return urls;
});