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.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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);
  }
})();