// ==UserScript==
// @name        Youtube Player Controls below Video
// @description Move YouTube Player Controls below the video
// @namespace   Userscript
// @version     0.1.20
// @match       https://www.youtube.com/*
// @grant       none
// @noframes
// @author      CY Fung
// @license     MIT
// @run-at      document-start
// ==/UserScript==
(() => {
/** @type {globalThis.PromiseConstructor} */
const Promise = (async () => { })().constructor; // YouTube hacks Promise in WaterFox Classic and "Promise.resolve(0)" nevers resolve.
const SCRIPT_CLASSNAME = 'yt8447-enabled'
const SCRIPT_CSS_ID = 'fj74F'
const css_text = `
html{
--yt8447-chrome-background: black;
}
html[dark] {
--yt8447-chrome-background: transparent;
}
.${SCRIPT_CLASSNAME} {
--yt8446-gap: 64px;
--yt8447-height: 52px;
--yt8446-offset-y-min: 4px;
--yt8448-gap: max(var(--yt8446-gap), var(--subs-gap, 0px));
--yt8448-gap-theater: max(var(--yt8446-gap), var(--subs-gap-theater, 0px));
--yt8446-offset-y: 0px;
--yt8446-offset-y: calc( ( var(--yt8448-gap) - var(--yt8446-gap) ) / 2 );
--yy8446-offset-y1: max(var(--yt8446-offset-y-min), var(--yt8446-offset-y, 0px));
}
.${SCRIPT_CLASSNAME} #columns.ytd-watch-flexy {
--subs-gap: var(--yt8448-gap);
--subs-gap-theater: var(--yt8448-gap-theater);
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) ytd-player#ytd-player .ytp-chrome-bottom {
bottom: calc( var(--yt8447-height) * -1 - var(--yy8446-offset-y1) );
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) ytd-player#ytd-player .ytp-tooltip.ytp-bottom {
margin-top: calc( var(--yt8447-height) + var(--yy8446-offset-y1) );
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) ytd-player#ytd-player .ytp-chrome-bottom::before {
position: absolute;
left: -12px;
right: -12px;
content: '';
display: block;
bottom: 0px;
top: calc( -5px - ( var(--yy8446-offset-y1) - 4px ) ); /* actual size 51px instead of 52px */
background-color: var(--yt8447-chrome-background, transparent);
z-index: -1;
transform: translateZ(-1px);
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) ytd-player#ytd-player #movie_player::after {
position: absolute;
display: block;
content: '';
left: 0;
right: 0;
height: var(--yt8447-height);
bottom: calc( var(--yt8447-height) * -1 );
opacity: 0 !important;
pointer-events: auto !important;
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) ytd-player#ytd-player #movie_player .ytp-popup.ytp-settings-menu {
transform: translateY( var(--yt8447-height) );
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) ytd-player#ytd-player #movie_player {
overflow: visible;
z-index: 999;
}
.${SCRIPT_CLASSNAME}[theater]:not([fullscreen]) #below.ytd-watch-flexy, .${SCRIPT_CLASSNAME}[theater]:not([fullscreen]) #secondary.ytd-watch-flexy {
--yt8448-gap: var(--yt8448-gap-theater);
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) #below.ytd-watch-flexy, .${SCRIPT_CLASSNAME}[theater]:not([fullscreen]) #secondary.ytd-watch-flexy {
margin-top: var(--yt8448-gap) !important;
transition: margin-top 0.25s;
}
@supports (color: var(--general-fix-video-ended-mode-display)) {
/* this is a general fix, might or might not directly related to this script */
#movie_player .html5-video-container {
position: absolute;
bottom: 0;
top: 0;
left: 0;
right: 0;
overflow: hidden; /* to against overflow:visible in #movie_player in some userscripts */
contain: layout size paint style; /* if supported */
}
#movie_player .html5-video-container > video[style*="top: -"],
#movie_player .html5-video-container > video[style*="top:-"] {
margin-top: -1px !important; /* (.ended-mode#movie_player) video size 943 x 530.44, but top: -530px only */
}
}
.${SCRIPT_CLASSNAME}:not([fullscreen]) .html5-video-player[class]:not(.ytp-fullscreen) .ytp-chrome-bottom[class]:hover {
opacity: initial;
visibility: initial;
}
html body ytd-watch-flexy.${SCRIPT_CLASSNAME}:not([fullscreen])[rounded-player-large][default-layout] #ytd-player.ytd-watch-flexy {
overflow: initial;
}
html body ytd-watch-flexy.${SCRIPT_CLASSNAME}:not([fullscreen])[class] #ytd-player.ytd-watch-flexy[class] {
overflow: initial;
}
`;
let mState = 0;
async function main(evt) {
try {
await Promise.resolve();
if (mState === 0) {
if (document.getElementById(SCRIPT_CSS_ID)) {
mState = -1;
console.warn('yt8447: duplicated script');
return;
}
const style = document.createElement('style');
style.textContent = css_text;
style.id = SCRIPT_CSS_ID;
document.head.appendChild(style);
mState = 1;
}
if (mState < 1) return;
const ytdFlexy = document.querySelector('ytd-watch-flexy');
if (ytdFlexy !== null) {
let isValid = true;
if (ytdFlexy.hasAttribute('hidden')) isValid = false;
else if (ytdFlexy.matches('[hidden] ytd-watch-flexy')) isValid = false;
ytdFlexy.classList.toggle(SCRIPT_CLASSNAME, isValid);
}
} catch (e) { console.log(e) }
}
document.addEventListener('yt-navigate-finish', main, false);
document.addEventListener('yt-page-data-fetched', main, false);
})();