зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
1.7 KiB
JavaScript
56 строки
1.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyGlobalGetters(this, ["fetch", "URL"]);
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const TIPPYTOP_JSON_PATH = "resource://activity-stream/data/content/tippytop/top_sites.json";
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const TIPPYTOP_URL_PREFIX = "resource://activity-stream/data/content/tippytop/images/";
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function getDomain(url) {
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let domain;
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try {
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domain = new URL(url).hostname;
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} catch (ex) {}
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if (domain && domain.startsWith("www.")) {
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domain = domain.slice(4);
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}
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return domain;
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}
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this.TippyTopProvider = class TippyTopProvider {
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constructor() {
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this._sitesByDomain = new Map();
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this.initialized = false;
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}
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async init() {
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// Load the Tippy Top sites from the json manifest.
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try {
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for (const site of await (await fetch(TIPPYTOP_JSON_PATH, {credentials: "omit"})).json()) {
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// The tippy top manifest can have a url property (string) or a
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// urls property (array of strings)
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for (const url of site.url ? [site.url] : site.urls || []) {
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this._sitesByDomain.set(getDomain(url), site);
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}
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}
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this.initialized = true;
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} catch (error) {
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Cu.reportError("Failed to load tippy top manifest.");
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}
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}
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processSite(site) {
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const tippyTop = this._sitesByDomain.get(getDomain(site.url));
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if (tippyTop) {
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site.tippyTopIcon = TIPPYTOP_URL_PREFIX + tippyTop.image_url;
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site.backgroundColor = tippyTop.background_color;
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}
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return site;
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}
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};
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const EXPORTED_SYMBOLS = ["TippyTopProvider", "getDomain"];
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