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Automatically plays sound files on ankiweb.net
// ==UserScript==
// @name Ankiweb Autoplay
// @namespace https://odblokowany.com/
// @version 1.0.2
// @description Automatically plays sound files on ankiweb.net
// @author trzcinskid
// @repository https://github.com/trzcinskiD/ankiweb_autoplay
// @license MIT License https://spdx.org/licenses/MIT.html
// @match https://ankiweb.net/study/
// @match https://ankiuser.net/study/
// @grant none
// jshint esversion: 6
// ==/UserScript==
(function () {
let playing = false;
let playqueue = [];
const genoptions = {
subtree: true,
childList: true,
};
const replay = (e) => {
const isR = e.key ? e.key == 'r' || e.key == 'R' : e.keyCode == 67;
if (isR) {
playqueue = [].slice.call(document.getElementsByTagName('audio'));
ff();
document.removeEventListener('keydown', replay);
}
};
const ff = () => {
if (playqueue.length) {
const el = playqueue.shift();
el.play();
el.addEventListener('ended', ff);
} else {
playing = false;
const bs = document.getElementsByClassName('btn-primary');
let btn = bs[bs.length - 1];
if (window.getComputedStyle(btn).visibility == 'hidden') {
btn = bs[bs.length - 2];
}
btn.focus();
document.removeEventListener('keydown', replay);
document.addEventListener('keydown', replay);
}
};
const doplay = (t) => {
if (playing) {
playqueue.push(t);
} else {
playing = true;
t.play();
t.addEventListener('ended', ff);
}
};
const gencallback = (allmutations) => {
document.removeEventListener('keydown', replay);
playing = false;
playqueue = [];
allmutations.forEach((mr) => {
const n = mr.target;
[].forEach.call(n.getElementsByTagName('source'), (el) => {
if (!el.srcdone && el.src) {
el.srcdone = true;
doplay(el.parentNode);
}
});
});
};
const mo = new MutationObserver(gencallback);
mo.observe(document.body, genoptions);
})();