Youtube - Restore Classic

If youtube is in the new 2017 YouTube Material Redesign, automatically restore classic view

Verze ze dne 09. 12. 2017. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Youtube - Restore Classic
// @version      1.0.3
// @description  If youtube is in the new 2017 YouTube Material Redesign, automatically restore classic view
// @author       Cpt_mathix
// @match        https://www.youtube.com
// @include      https://www.youtube.com/*
// @license      GPL version 2 or any later version; 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();

    window.addEventListener("spfdone", function(e) {
		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 && cookie[1]) {
                    cookie = cookie[1];
                    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) {
        return document.cookie.match(RegExp('(?:^|;\\s*)' + name + '=([^;]*)'));
    }

    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("test");
            alert("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: " + document.cookie);
            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("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);
	}
})();