Have you ever been annoyed by youtube subtitles covering some important part of the video? No more! The userscript moves subtitles under video frame (but you can still drag-move them horizontally). It works for default and theater modes.
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/*
Youtube subtitles under video frame: Move youtube subtitles under video frame.
Copyright (C) 2023 T1mL3arn
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
// ==UserScript==
// @name Youtube subtitles under video frame
// @name:RU Субтитры Youtube под видео
// @description Have you ever been annoyed by youtube subtitles covering some important part of the video? No more! The userscript moves subtitles under video frame (but you can still drag-move them horizontally). It works for default and theater modes.
// @description:RU Вам когда-нибудь мешали субтитры Youtube, закрывыющие какую-то важную область видео? Пора это прекратить! Этот скрипт сдвигает субтитры под видео (вы все еще можете перетаскивать их по горизонтали). Работает в режимах "обычный" и "широкий экран".
// @namespace https://github.com/t1ml3arn-userscript-js
// @version 1.4.3
// @match https://www.youtube.com/*
// @match https://youtube.com/*
// @grant none
// @noframes
// @author T1mL3arn
// @icon data:image/svg+xml;base64,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
// @homepageURL https://github.com/t1ml3arn-userscript-js/Youtube-subtitles-under-video-frame
// @supportURL https://github.com/t1ml3arn-userscript-js/Youtube-subtitles-under-video-frame/issues
// @license GPL-3.0-or-later
// ==/UserScript==
const SUBS_BUTTON_SELECTOR = '.ytp-subtitles-button'
const USERJS_ELT_CLASS = 'yfms-userjs'
const USERJS_STYLE_ID = 'youtube-subs-under-video-css'
const PLAYER_ELT_SELECTOR = 'ytd-watch-flexy'
const SUBS_GAP = 64;
const SUBS_GAP_THEATER = 100;
const USERJS_STYLE_CONTENT = `
.${USERJS_ELT_CLASS} {
--subs-gap: ${SUBS_GAP}px;
--subs-gap-theater: ${SUBS_GAP_THEATER}px;
}
.${USERJS_ELT_CLASS}:not([fullscreen]) .caption-window.ytp-caption-window-bottom {
margin-bottom: 0 !important;
margin-top: 0 !important;
position: absolute !important;
bottom: 0 !important;
top: calc(100% + 16px) !important;
z-index: 9999 !important;
}
.${USERJS_ELT_CLASS} .html5-video-player {
/* to make subs visible when they are outside player frame */
overflow: visible;
/* to make player to be on top
(combined with captions z-index rule,
it places captions over any element on the page) */
z-index: 999;
}
.${USERJS_ELT_CLASS} #movie_player.ended-mode .html5-video-container > video,
.${USERJS_ELT_CLASS} #movie_player.unstarted-mode .html5-video-container > video,
{
visibility: hidden;
}
.${USERJS_ELT_CLASS} #below {
margin-top: var(--subs-gap);
transition: margin-top 0.25s;
}
.${USERJS_ELT_CLASS}[theater]:not([fullscreen]) #below {
margin-top: var(--subs-gap-theater);
}
/* styling for "related videos" section */
.${USERJS_ELT_CLASS}[theater]:not([fullscreen]) #secondary.ytd-watch-flexy {
margin-top: var(--subs-gap-theater);
transition: margin-top 0.25s;
}
`
let canToggleSubsWithKeyboard = true;
const ccSizes = {
0: 64,
1: 80,
}
function addStyles(css, id) {
const style = document.head.appendChild(document.createElement('style'))
style.textContent = css;
style.id = id
}
function displaceSubtitles(subsButton) {
const pressed = subsButton.getAttribute('aria-pressed')
// this elt gets special attribute by youtube when view mode changes,
// so it also gets my marker class to apply my CSS
const playerElt = document.querySelector(PLAYER_ELT_SELECTOR)
if (pressed === 'true')
playerElt.classList.add(USERJS_ELT_CLASS)
else if (pressed === 'false')
playerElt.classList.remove(USERJS_ELT_CLASS)
}
function onSubsClick(e) {
displaceSubtitles(e.currentTarget)
}
function getCaptionsButton() {
return getVisibleElt(SUBS_BUTTON_SELECTOR)
}
function getVisibleElt(selector) {
return Array.from(document.querySelectorAll(selector)).find(e => e.offsetParent !==null)
}
function isItVideoPage() {
return window.location.search.includes('v=')
}
function toggleSubtitlesKeyDown(e) {
const subsButton = getCaptionsButton()
if (e.code === 'KeyC' || e.keyCode === 67)
if (isItVideoPage() && subsButton && canToggleSubsWithKeyboard) {
displaceSubtitles(subsButton)
}
}
function onFocusIn(e) {
// disable captions toggling
// if user focused any input element (like search bar or comment textarea)
if (e.target.tagName === 'INPUT' ||
e.target.matches('div#contenteditable-root.style-scope.yt-formatted-string')) {
canToggleSubsWithKeyboard = false
} else {
canToggleSubsWithKeyboard = true
}
}
function onFocusOut(e) {
// restoring captions toggling if user focused out
// input elements
if (e.target.tagName === 'INPUT' ||
e.target.matches('div#contenteditable-root.style-scope.yt-formatted-string')) {
canToggleSubsWithKeyboard = true
}
}
function enchanceSubsButton() {
if (isItVideoPage()) {
const subsButton = getCaptionsButton()
if (!subsButton) {
console.debug(`Video ${window.location.href} has no subtitles button`);
return
}
displaceSubtitles(subsButton)
updateGapSize()
document.addEventListener('keydown', toggleSubtitlesKeyDown )
subsButton.addEventListener('click', onSubsClick)
}
}
function localStorageHook() {
let original = Storage.prototype.setItem;
Storage.prototype.setItem = function() {
const event = new CustomEvent('storageSetItem', {
detail: {
key: arguments[0],
value: arguments[1]
},
});
original.apply(this, arguments);
window.dispatchEvent(event);
}
}
function getGapSize(f, initial) {
// the formula is found in youtube js code
return initial * (1 + 0.25 * Math.max(f || 0, 0));
}
function updateGapSize() {
// NOTE CC visible size remains FIXED even if a user changes
// zoom level in his browser!
const raw = localStorage.getItem('yt-player-caption-display-settings')
let ccDisplaySettings;
try {
ccDisplaySettings = JSON.parse(JSON.parse(raw).data)
} catch(e) {
ccDisplaySettings = {}
}
const fontSizeIncrement = ccDisplaySettings.fontSizeIncrement || 0
let newGap = getGapSize(fontSizeIncrement, SUBS_GAP);
document.querySelector(PLAYER_ELT_SELECTOR).style.setProperty('--subs-gap', `${newGap}px`)
newGap = getGapSize(fontSizeIncrement, SUBS_GAP_THEATER)
document.querySelector(PLAYER_ELT_SELECTOR).style.setProperty('--subs-gap-theater', `${newGap}px`)
}
function init() {
addStyles(USERJS_STYLE_CONTENT, USERJS_STYLE_ID)
document.addEventListener('focusin', onFocusIn)
document.addEventListener('focusout', onFocusOut)
// Hint about youtube-specific events was found there
// https://stackoverflow.com/questions/34077641/how-to-detect-page-navigation-on-youtube-and-modify-its-appearance-seamlessly/34100952#34100952
document.addEventListener('yt-navigate-finish', enchanceSubsButton)
document.addEventListener('yt-page-data-updated', enchanceSubsButton)
localStorageHook();
window.addEventListener('storageSetItem', e => {
const { key } = e.detail;
if (key != 'yt-player-caption-display-settings')
return
updateGapSize()
})
}
init();