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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/. */
const TIPPYTOP_PATH = "chrome://activity-stream/content/data/content/tippytop/";
const TIPPYTOP_JSON_PATH =
"chrome://activity-stream/content/data/content/tippytop/top_sites.json";
/*
* Get a domain from a url optionally stripping subdomains.
*/
function getDomain(url, strip = "www.") {
let domain = "";
try {
domain = new URL(url).hostname;
} catch (ex) {}
if (strip === "*") {
try {
domain = Services.eTLD.getBaseDomainFromHost(domain);
} catch (ex) {}
} else if (domain.startsWith(strip)) {
domain = domain.slice(strip.length);
}
return domain;
}
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()) {
for (const domain of site.domains) {
this._sitesByDomain.set(domain, site);
}
}
this.initialized = true;
} catch (error) {
console.error("Failed to load tippy top manifest.");
}
}
processSite(site, strip) {
const tippyTop = this._sitesByDomain.get(getDomain(site.url, strip));
if (tippyTop) {
site.tippyTopIcon = TIPPYTOP_PATH + tippyTop.image_url;
site.smallFavicon = TIPPYTOP_PATH + tippyTop.favicon_url;
site.backgroundColor = tippyTop.background_color;
}
return site;
}
}
const EXPORTED_SYMBOLS = ["TippyTopProvider", "getDomain"];
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