// ==UserScript==
// @name         LinguaLeo sound download
// @namespace    http://golubev.guru/
// @version      0.2
// @description  auto download mp3 from lingualeo dictionary by F7
// @author       Yuriy Golubev
// @match        https://lingualeo.com/*
// @grant        GM_download
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    function doc_keyUp(e) {
        switch (e.keyCode) {
            case 118:
                var url = document.getElementsByClassName("word-sound-link")[0].getAttribute("data-voice-url");
                var word = document.getElementsByClassName("word-sound-link")[0].parentElement.parentElement.getElementsByClassName("word-origin")[0].innerText;
                GM_download(url, word.replace(/ /g, "-") + ".mp3");
                break;
            default:
                break;
        }
    }
    document.addEventListener('keyup', doc_keyUp, false);
})();