Forked from bishtawi/udacity-auto-advance.user.js
Created
September 15, 2018 04:29
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Hacky way to auto advance Udacity's classroom lecture videos
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// ==UserScript== | |
// @name Udacity Auto Advance | |
// @namespace https://omscs.gatech.edu/ | |
// @description Auto advance Udacity's classroom lecture videos | |
// @date 2017.01.25 | |
// @version 1.0.1 | |
// @match https://classroom.udacity.com/* | |
// @run-at document-end | |
// @run_at document_end | |
// @grant none | |
// ==/UserScript== | |
const checkMe = link => { | |
if (link.innerText.trim().toLowerCase() === 'play next' && | |
link.className.trim().toLowerCase().startsWith('_auto-advance-overlay--button--')) { | |
link.click() | |
} | |
} | |
const checkInsideMe = parent => { | |
const links = parent.getElementsByTagName('a') | |
for (let i = 0, length = links.length; i < length; i++) { | |
checkMe(links[i]) | |
} | |
} | |
const observer = new MutationObserver(mutations => { | |
for (let i = 0, length = mutations.length; i < length; i++) { | |
if (mutations[i].target.nodeName === 'A') { | |
checkMe(mutations[i].target) | |
} | |
for (let j = 0, len = mutations[i].addedNodes.length; j < len; j++) { | |
switch (mutations[i].addedNodes[j].nodeName) { | |
case 'A': | |
checkMe(mutations[i].addedNodes[j]) | |
break | |
case 'DIV': | |
checkInsideMe(mutations[i].addedNodes[j]) | |
break | |
} | |
} | |
} | |
}) | |
observer.observe(document, { childList: true, subtree: true }) |
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