YouTube Lite

Makes YouTube fancier

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         YouTube Lite
// @icon         http://s.ytimg.com/yts/img/favicon_144-vflWmzoXw.png
// @namespace    x4_ytlite
// @version      0.5.15
// @description  Makes YouTube fancier
// @author       x4fab
// @match        http://www.youtube.com/*
// @match        https://www.youtube.com/*
// @grant        none
// @run-at       document-start
// @license      MIT
// ==/UserScript==

if (window.top != window.self){
    return;
}

if (location.protocol === 'http:'){
    location.replace(location.href.replace(/^http:/, 'https:')); 
}

window.addEventListener('load', function (){
    var styleNode = document.createElement('style');
    styleNode.innerHTML = ''.slice.call(function(){/*
        #appbar-guide-menu{
            height:100vh;
            opacity:1;
            visibility:visible;
            left:-230px;
            margin-top:0;
            transition:opacity .25s cubic-bezier(0.4,0,0.2,1),left .25s cubic-bezier(0.4,0,0.2,1);
            transition-delay:.4s;border-right:1px solid #e3e3e3;
        }
        #appbar-guide-menu:hover, #appbar-guide-menu.e-active  {
            left: 0;
            opacity: 1;
            transition-delay: 0s;
        }
        #appbar-guide-button-container  {
            visibility: hidden;
        }
        
        #masthead-positioner  {
            position: fixed;
            top: -52px;
            opacity: 1;
            transition: opacity .25s cubic-bezier(0.4,0,0.2,1), top .25s cubic-bezier(0.4,0,0.2,1);
            transition-delay: .4s;
            box-shadow: none;
        }
        #masthead-positioner:hover, #masthead-positioner.e-active {
            top: 0;
            opacity: 1;
            transition-delay: 0s;
        }
        #masthead-positioner-height-offset {
            display: none;
        }
        
        .yt-card, .guide-flyout {
            box-shadow: none;
        }
        #content {
            margin-top: calc(100vh + 10px);
        }
        #placeholder-player {
            display: none;
        }
        #watch7-main {
            position: static;
        }
        #watch7-content {
            z-index: 100;
            position: relative;
        }
        #watch7-sidebar {
            z-index: 5;
        }
        
        #footer-container {
            width: auto;
            min-width: 1003px;
            max-width: 1066px;
            margin: 0 auto;
            padding: 0 30px;
            z-index: 5;
            position: relative;
            box-sizing: border-box;
        }
        @media screen and (min-height: 630px) and (min-width: 1294px){ #footer-container {
            max-width: 1280px;
        } }
        @media screen and (min-height: 980px) and (min-width: 1720px){ #footer-container {
            max-width: 1706px;
        } }
        #footer {
            padding-bottom: 0;
        }
        #footer-logo {
            display: none;
        }
        
        .yt-uix-expander-collapsed #watch-description-text {
            max-height: none;
        }
        .yt-uix-expander-collapsed .yt-uix-expander-body {
            display: block !important;
        }
        .yt-card.yt-uix-expander .yt-uix-button-expander, .yt-card .yt-uix-expander .yt-uix-button-expander {
            display: none !important;
        }
        
        #player {
            top: 0;
        }
        #player-api {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            right: 0 !important;
            height: 100vh !important;
            margin: 0 auto;
        }
        .video-stream.html5-main-video {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            right: 0 !important;
            height: 100vh !important;
            width: 100vw !important;
        }
        .html5-video-player {
            overflow: visible;
        }
        .html5-video-content {
            __z-index: 799;
        }
        body, .watch-stage-mode #theater-background {
            background-color: #000;
        }
        
        .html5-video-controls {
            opacity: 0;
            transition-delay: .4s;
        }
        .html5-video-controls:hover, .html5-video-controls.e-active {
            opacity: 1 !important;
            transition-delay: 0s;
        }
        
        .ytp-player-content.ytp-iv-player-content {
            width: 0;
            right: 0;
            left: auto;
            position: fixed;
            bottom: 0 !important;
        }
        .videowall-endscreen.html5-endscreen {
            width: 100vw;
            position: fixed;
            height: 100vh;
            top: 0;
            left: 0;
        }
        
        .us_box {
            position: fixed;
            border-radius: 0;
            border: 1px solid #e3e3e3;
            padding: 15px;
        }
        .us_box h3, .us_submitbuttons {
            background-color: #fff;
            color: #333;
            border: none;
            padding-left: 0;
            padding-right: 0;
        }

        #us_infobox {
            position: fixed;
            border-radius: 0;
            border: 1px solid #e3e3e3;
            padding: 15px;
            background: white;
        }
        
        .us_error {
            color: red;
            border: none;
            background: none;
            color: #333 !important;
            font-size: 12px;
        }
        
        .watch-stage-mode #player .player-api {
            margin: 0 auto !important;
        }
        .watch-wide #watch7-sidebar, .watch-wide #watch7-preview {
            z-index:  5;
        }
        
        #player-playlist {
            margin-top: calc(100vh + 12px);
        }
        #watch-appbar-playlist {
            z-index: 6 !important;
            top: 0 !important;
            transform: none !important;
            transition: none !important;
        }
        #content {
            top: 0 !important;
        }

        #player-unavailable {
            position: fixed;
            top: 0;
            height: 100vh;
            left: 0;
            width: 100vw;
            z-index: 0;
            margin: 0;
        }
        .player-api {
            background: transparent;
        }
    */}, 14, -3);
    
    function onMouseMove(e){ 
        var m = null; 
        if (e.clientY < 5){
            m = document.querySelector('#masthead-positioner');
        } else if (e.clientX < 5){
            m = document.querySelector('#appbar-guide-menu');
        } else if (e.target.tagName == 'DIV' && e.clientY > document.body.clientHeight - 5){
            m = document.querySelector('.html5-video-controls');
        }
        if (m && (m = m.classList)){
            m.add('e-active');
            clearTimeout(m.e_t);
            m.e_t = setTimeout(m.remove.bind(m,'e-active'), 1e3);
        }
    }

    function onResize(){
        var v = document.querySelector('.video-stream.html5-main-video'),
            c = document.querySelector('.html5-video-content');
        if (v && c){
            var h = v.offsetHeight / c.offsetHeight,
                k = Math.min(h, v.offsetWidth / c.offsetWidth);
            c.style.transform = 'translate(0,' + Math.round(c.offsetHeight * Math.max(h - 1, 0) * .5) + 
                    'px) scale(' + k + ',' + k + ')';
        }
    }
    
    document.onmousemove = document.onmouseout = onMouseMove;
    window.onresize = onResize;

    setTimeout(function (){
        document.querySelector('#appbar-guide-button').click();
        var wide = document.querySelector('.ytp-size-button.ytp-button[title="Theater mode"]');
        if (wide) wide.click();
    }, 50);

    var previousLocation = null;
    setInterval(function (){
        if (document.body.scrollTop == 52){
            document.body.scrollTop = 0;
        }

        if (previousLocation != location.href){
            if (location.href.indexOf('/watch?') != -1){
                if (!styleNode.parentNode){
                    document.body.appendChild(styleNode);
                }
            } else if (styleNode.parentNode){
                document.body.removeChild(styleNode);
            }

            onResize();
            previousLocation = location.href;
        }
    }, 50);
}, false);