If youtube is in the new 2017 YouTube Material Redesign, automatically restore classic view
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// ==UserScript==
// @name Youtube - Restore Classic
// @version 1.0.8
// @description If youtube is in the new 2017 YouTube Material Redesign, automatically restore classic view
// @author Cpt_mathix
// @match https://www.youtube.com/*
// @exclude https://www.youtube.com/tv*
// @exclude https://www.youtube.com/embed/*
// @exclude https://www.youtube.com/live_chat*
// @license GPL-2.0+; http://www.gnu.org/licenses/gpl-2.0.txt
// @namespace https://greasyfork.org/users/16080
// @run-at document-start
// @grant none
// @noframes
// ==/UserScript==
(function() {
init();
document.addEventListener("spfdone", function(e) {
document.getElementById("content").classList.add("content-alignment");
document.getElementById("body").classList.remove("sitewide-ticker-visible");
});
function init() {
restoreClassicYoutube();
document.addEventListener('DOMContentLoaded', function(){
hideNewYoutubeBanner();
}, false);
}
function restoreClassicYoutube() {
// Cookies are enabled?
if (navigator.cookieEnabled) {
if (document.cookie) {
var cookie = getCookie("PREF");
// Pref cookie exists?
if (cookie) {
console.log("current PREF cookie: " + cookie);
if (cookie.search(/f6=(8|9)(&|;|$)/) === -1) {
replaceCookieAndReload(cookie);
} else {
deleteCache("reloadCount");
}
} else {
createCookieAndReload();
}
} else {
createCookieAndReload();
}
} else {
console.log("Error: Youtube - Restore Classic doesn't work if cookies are disabled");
}
}
function getCookie(name) {
var cookie= document.cookie.match(new RegExp(name + '=([^;]+)'));
if (cookie && cookie[1]) {
return cookie[1];
}
return null;
}
function createCookieAndReload() {
document.cookie = "PREF=f6=8;path=/;domain=.youtube.com";
reload();
}
function replaceCookieAndReload(cookie) {
if (cookie.search(/f6=[^;&]*/) === -1) {
document.cookie = "PREF=" + cookie + "&f6=8" + ";path=/;domain=.youtube.com";
} else if (cookie.search(/f6=[^;&]*/) !== -1) {
document.cookie = "PREF=" + cookie.replace(/f6=[^;&]*/, 'f6=8') + ";path=/;domain=.youtube.com";
}
reload();
}
function reload() {
var reloadCount = getCache("reloadCount");
if (reloadCount && parseInt(reloadCount) <= 3) {
setCache("reloadCount", parseInt(reloadCount) + 1);
location.reload();
} else if (reloadCount && parseInt(reloadCount) > 3) {
console.log("Youtube - Restore Classic\nSomething went wrong... Please post the following information on greasyfork and disable this script\n\nDebug information:\nCookies enabled: " + navigator.cookieEnabled + "\nCurrent cookies: " + getCookie("PREF"));
deleteCache("reloadCount");
} else {
setCache("reloadCount", 1);
location.reload();
}
}
function getCache(key) {
return JSON.parse(localStorage.getItem("YTRestore#" + key));
}
function deleteCache(key) {
localStorage.removeItem("YTRestore#" + key);
}
function setCache(key, value) {
localStorage.setItem("YTRestore#" + key, JSON.stringify(value));
}
function hideNewYoutubeBanner() {
document.getElementById("content").classList.add("content-alignment");
document.getElementById("body").classList.remove("sitewide-ticker-visible");
var css = `
#ticker {
display: none!important;
}
`;
var style = document.createElement("style");
style.type = "text/css";
if (style.styleSheet){
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
document.documentElement.appendChild(style);
}
})();