The Tor Browser: addon-sdk/source/lib/sdk/places/favicon.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 "use strict";

     7 module.metadata = {

     8   "stability": "unstable",

     9   "engines": {

    10     "Firefox": "*"

    11   }

    12 };

    14 const { Cc, Ci, Cu } = require("chrome");

    15 const { defer, reject } = require("../core/promise");

    16 const FaviconService = Cc["@mozilla.org/browser/favicon-service;1"].

    17                           getService(Ci.nsIFaviconService);

    18 const AsyncFavicons = FaviconService.QueryInterface(Ci.mozIAsyncFavicons);

    19 const { isValidURI } = require("../url");

    20 const { newURI, getURL } = require("../url/utils");

    22 /**

    23  * Takes an object of several possible types and

    24  * returns a promise that resolves to the page's favicon URI.

    25  * @param {String|Tab} object

    26  * @param {Function} (callback)

    27  * @returns {Promise}

    28  */

    30 function getFavicon (object, callback) {

    31   let url = getURL(object);

    32   let deferred = defer();

    34   if (url && isValidURI(url)) {

    35     AsyncFavicons.getFaviconURLForPage(newURI(url), function (aURI) {

    36       if (aURI && aURI.spec)

    37         deferred.resolve(aURI.spec.toString());

    38       else

    39         deferred.reject(null);

    40     });

    41   } else {

    42     deferred.reject(null);

    43   }

    45   if (callback) deferred.promise.then(callback, callback);

    46   return deferred.promise;

    47 }

    48 exports.getFavicon = getFavicon;

The Tor Browser / file revision