YouTube Clean & Fast (Hide UI/Spinner)

Hide all YouTube player UI (buttons, spinner, shadows, ads, branding, related videos suggestions when the video ends) immediately and show them only on mouse hover.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         YouTube Clean & Fast (Hide UI/Spinner)
// @namespace    https://greasyfork.org/en/users/670188-hacker09?sort=daily_installs
// @version      3
// @description  Hide all YouTube player UI (buttons, spinner, shadows, ads, branding, related videos suggestions when the video ends) immediately and show them only on mouse hover.
// @author       hacker09
// @match        *://www.youtube.com/embed/*
// @match        *://www.youtube.com/watch*
// @icon         https://www.youtube.com/s/desktop/03f86491/img/favicon.ico
// @run-at       document-start
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  const css = `
        /* === MAIN UI HIDING (Opacity 0 when mouse is not moving) === */

        /* 1. Top Controls (Title, Share, Favicon) */
        body.tm-clean-ui .ytp-chrome-top,

        /* 2. Bottom Controls (Time, Bar, Buttons, Fullscreen) */
        body.tm-clean-ui .ytp-chrome-bottom,

        /* 3. Shadows (Gradients at top/bottom) */
        body.tm-clean-ui .ytp-gradient-top,
        body.tm-clean-ui .ytp-gradient-bottom,

        /* 4. Center Play Button */
        body.tm-clean-ui .ytp-large-play-button,

        /* 5. THE SPINNER (Buffering/Loading circle) */
        body.tm-clean-ui .ytp-spinner,

        /* 6. Bezel (Play/Pause animation icon in the middle) */
        body.tm-clean-ui .ytp-bezel-text-wrapper,
        body.tm-clean-ui .ytp-bezel,

        /* 7. Branding & Popups */
        body.tm-clean-ui .ytp-watermark,
        body.tm-clean-ui .ytp-upnext,
        body.tm-clean-ui .ytp-pause-overlay-container,
        body.tm-clean-ui .ytp-share-panel,
        body.tm-clean-ui .ytp-storyboard-framepreview,
        body.tm-clean-ui .ytp-cued-thumbnail-overlay,

        /* 8. Top Alerts (Exclude actual bottom subtitles) */
        body.tm-clean-ui .ytp-caption-window-top,

        /* 9. Suggested Ads & Products (Merch, "View Products" overlay) */
        body.tm-clean-ui .ytp-suggested-action,
        body.tm-clean-ui .ytp-featured-product,

        /* 10. Channel Branding & Quick Actions */
        body.tm-clean-ui .iv-branding,
        body.tm-clean-ui .ytp-fullscreen-quick-actions
        {
            opacity: 0 !important;
            visibility: hidden !important;
            display: none !important;
            transition: opacity 0.1s ease-out !important;
        }

        /* === EXCEPTIONS (Always Visible) === */

        /* Ensure Subtitles are visible */
        body.tm-clean-ui .ytp-caption-window-bottom {
            opacity: 1 !important;
            visibility: visible !important;
            display: block !important;
        }

        /* Ensure Video is visible */
        body.tm-clean-ui .html5-main-video {
            opacity: 1 !important;
            visibility: visible !important;
            display: block !important;
        }

        /* === END SCREEN SUGGESTIONS (Fully Hidden by default) === */
        /* Keep them at 0 opacity so they don't block the video ending view at all.
           Only show fully when the mouse is directly over the specific element area.
           We must keep visibility:visible so the hover event can still trigger. */
        .ytp-ce-element {
            opacity: 0 !important;
            transition: opacity 0.2s ease-in-out !important;
        }
        .ytp-ce-element:hover {
            opacity: 1 !important;
        }

        /* === RESTORE MAIN UI ON HOVER (General Area) === */
        .ytp-chrome-top,
        .ytp-chrome-bottom,
        .ytp-caption-window-top {
            transition: opacity 0.1s ease-in !important;
        }
    `;

  // Inject CSS immediately
  const styleNode = document.createElement('style');
  styleNode.type = 'text/css';
  styleNode.appendChild(document.createTextNode(css));
  (document.head || document.documentElement).appendChild(styleNode);

  // Logic to toggle the class
  function initLogic() {
    const targetBody = document.body;
    targetBody.classList.add('tm-clean-ui');

    const hideUI = () => targetBody.classList.add('tm-clean-ui');
    const showUI = () => targetBody.classList.remove('tm-clean-ui');

    // Show on mouse enter/move within the player body area
    targetBody.addEventListener('mouseenter', showUI, false);
    targetBody.addEventListener('mousemove', showUI, false);

    // Hide on mouse leave the player body area
    targetBody.addEventListener('mouseleave', hideUI, false);
  }

  // Initialize
  if (document.body) {
    initLogic();
  } else {
    document.addEventListener('DOMContentLoaded', initLogic);
  }
})();