gecko-dev/browser/components/newtab/lib/TippyTopProvider.jsm

62 строки
1.7 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/. */
const { XPCOMUtils } = ChromeUtils.import(
"resource://gre/modules/XPCOMUtils.jsm"
);
XPCOMUtils.defineLazyGlobalGetters(this, ["fetch", "URL"]);
const TIPPYTOP_JSON_PATH =
"resource://activity-stream/data/content/tippytop/top_sites.json";
const TIPPYTOP_URL_PREFIX =
"resource://activity-stream/data/content/tippytop/images/";
function getDomain(url) {
let domain;
try {
domain = new URL(url).hostname;
} catch (ex) {}
if (domain && domain.startsWith("www.")) {
domain = domain.slice(4);
}
return domain;
}
this.TippyTopProvider = class TippyTopProvider {
constructor() {
this._sitesByDomain = new Map();
this.initialized = false;
}
async init() {
// Load the Tippy Top sites from the json manifest.
try {
for (const site of await (await fetch(TIPPYTOP_JSON_PATH, {
credentials: "omit",
})).json()) {
// The tippy top manifest can have a url property (string) or a
// urls property (array of strings)
for (const url of site.url ? [site.url] : site.urls || []) {
this._sitesByDomain.set(getDomain(url), site);
}
}
this.initialized = true;
} catch (error) {
Cu.reportError("Failed to load tippy top manifest.");
}
}
processSite(site) {
const tippyTop = this._sitesByDomain.get(getDomain(site.url));
if (tippyTop) {
site.tippyTopIcon = TIPPYTOP_URL_PREFIX + tippyTop.image_url;
site.backgroundColor = tippyTop.background_color;
}
return site;
}
};
const EXPORTED_SYMBOLS = ["TippyTopProvider", "getDomain"];