YouTube Auto-Hide Progress Bar

Auto-hide YouTube video controls and progress bar while paused. Hover to reveal.

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 Auto-Hide Progress Bar
// @description  Auto-hide YouTube video controls and progress bar while paused. Hover to reveal.
// @namespace    https://github.com/sonnenfell/Hide-YouTube-Progress-Bar
// @version      1.6.2
// @patchnotes   Fixed a bug where the plugin would initially block you from interacting with some video controls before pausing and unpausing the video
// @license      GPL-3.0
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @author       Sunfur
// @match        https://www.youtube.com/*
// @grant        none
// ==/UserScript==
let hoverToggle;
let elements_shown = true;

const setupHoverToggle = () => {
  const player = document.querySelector('.html5-video-player');
  if (!player || hoverToggle) return;

  player.style.position = 'relative';

  hoverToggle = document.createElement('div');
  hoverToggle.style.position = 'absolute';
  hoverToggle.style.left = '0';
  hoverToggle.style.bottom = '0';
  hoverToggle.style.width = '100%';
  hoverToggle.style.height = '0%';
  hoverToggle.style.zIndex = '9998';
  hoverToggle.style.pointerEvents = 'auto';
  hoverToggle.style.background = 'transparent';

  player.appendChild(hoverToggle);
};

const observer = new MutationObserver(() => {
  const video = document.querySelector('video');
  const player = document.querySelector('.html5-video-player');
  const progressBar = document.querySelector('.ytp-progress-bar');
  const controls = document.querySelector('.ytp-chrome-bottom');

  if (!video || !player || !progressBar || !controls) return;

  setupHoverToggle();

  const show_elements = () => {
    progressBar.style.opacity = '1';
    controls.style.opacity = '1';
    controls.style.pointerEvents = 'auto';
    // move div above controls area (else it will interfere with controls):
    hoverToggle.style.bottom = '20%';
    hoverToggle.style.height = '20%';

    elements_shown = true;

  };

  const hide_elements = () => {
    progressBar.style.opacity = '0';
    controls.style.opacity = '0';
    controls.style.pointerEvents = 'none';
    // move div to controls area:
    hoverToggle.style.bottom = '0%';
    hoverToggle.style.height = '20%';

    elements_shown = false;
  };

  const release_elements = () => {
    progressBar.style.removeProperty('opacity');
    controls.style.removeProperty('opacity');
    controls.style.removeProperty('pointer-events');
    // move div above controls area:
    hoverToggle.style.bottom = '20%';
    hoverToggle.style.height = '0%';
  };

  // Hover logic
  hoverToggle.onmouseenter = () => {
    if (video.paused) {
      if (elements_shown == false) {show_elements();}
      else if (elements_shown == true) {hide_elements();}
    }
  };

  // Event listeners
  video.addEventListener('pause', () => {
    show_elements();
  });

  video.addEventListener('play', () => {
    release_elements(); // restore defaults when playing
  });
});

observer.observe(document.body, { childList: true, subtree: true });