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Drag the mouse's middle button to set volume according to where the cursor is along the width of the video.
// ==UserScript==
// @name YouTube Mousemove Volume Control
// @namespace http://tampermonkey.net/
// @version 1.4
// @description Drag the mouse's middle button to set volume according to where the cursor is along the width of the video.
// @author Rasutei
// @match https://www.youtube.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant none
// @require https://code.jquery.com/jquery-3.6.0.min.js
// @license GNU GPLv3
// ==/UserScript==
/* eslint-disable curly */
// ----- Utility stuff -----
var $ = window.jQuery;
const logcss = `
font-family: Hack, monospace;
text-shadow: 0 0 10px black, 0 0 10px black;
background: linear-gradient(to right, #4d94ff 0%, #4d94ff 8px, rgb(77 148 255 / 30%) 8px, transparent 50px);
color: #4d94ff;
padding: 2px 0 2px 30px;
`
const warncss = `
font-family: Hack, monospace;
text-shadow: 0 0 10px black, 0 0 10px black;
background: linear-gradient(to right, #ffa621 0%, #ffa621 0% 8px, rgb(255 166 33 / 30%) 8px, transparent 50px);
color: #ffa621;
padding: 2px 0 2px 30px;
`
const log = (e) => console.log('%c'+e, logcss)
const warn = (e) => console.log('%c'+e, warncss)
const warn_element = (e) => console.log('%c%o', warncss, e)
// ----- Variables and elements -----
const spn = $('<span id="ras-volumebar-text">')
.css('color','black')
.css('font-size','17px')
.css('font-family','Hack')
const fill = $('<div id="ras-volumebar-fill">')
.append(spn)
.css('position','relative')
.css('left','0')
.css('top','0')
.css('height','100%')
.css('transition','width 50ms ease')
.css('background-color','white')
.css('display','flex')
.css('align-items','center')
.css('justify-content','center')
.css('overflow','hidden')
.css('padding','0 4px')
const bar = $('<div id="ras-volumebar">')
.append(fill)
.css('position','absolute')
.css('top','50%')
.css('left','50%')
.css('transform','translate(-50%, -50%)')
.css('width','300px')
.css('height','20px')
.css('border','3px solid black')
.css('outline','1px solid white')
.css('background-color','rgb(0 0 0 / 50%)')
.fadeToggle(0)
const wrapper = $('<div id="ras-vidwrapper">')
.append(bar)
.css('position','relative')
.css('margin','auto')
let vid
let isMDown = false
let isSetVolume = false
let hasMouseMoved = false
let rect
// ----- Actual code -----
$(document).ready(function(){
log('RDrag Volume: Applying script...')
// ----- Importing a nice font I've been enjoying as of late -----
let hackfont = document.createElement('link')
hackfont.setAttribute('rel','stylesheet')
hackfont.setAttribute('type','text/css')
hackfont.setAttribute('href','//cdn.jsdelivr.net/npm/hack-font@3.3.0/build/web/hack-subset.css')
// ----- Loop to check if page has a video -----
let prev_url = window.location.href
setInterval(() => {
if (document.querySelector('#ras-vidwrapper'))
return
if (window.location.href != prev_url)
prev_url = window.location.href
if (window.location.href.includes('/watch?v=')) {
// ----- Attach nice font -----
document.head.appendChild(hackfont)
// ----- Find video element -----
vid = $('video.video-stream')
// ----- Attach utility to video element -----
vid[0].parentElement.append(wrapper[0])
// ----- Apply video's size to wrapper element -----
new ResizeObserver(() => {
wrapper.css('width',vid.css('width'))
wrapper.css('height',vid.css('height'))
}).observe(vid[0])
// ----- Getting wrapper's rect -----
rect = wrapper[0].getBoundingClientRect()
log('RDrag Volume: Script applied.')
}
}, 100)
// ----- Mouse event handling -----
rect = wrapper[0].getBoundingClientRect()
wrapper.mousedown((evemt) => {
let interval
if (event.which == 2){
event.preventDefault()
event.stopPropagation()
isSetVolume = true
rect = wrapper[0].getBoundingClientRect()
bar.fadeIn(100)
SetVolume(event)
interval = setInterval(() => {
if (!document.hasFocus()){
StopSetting()
clearInterval(interval)
}
}, 32)
}
})
wrapper.mouseup((event) => {
if (!event.which == 3) return
StopSetting()
})
wrapper.mouseleave((event) => {
StopSetting()
})
wrapper.mousemove((event) => {
if (!isSetVolume) return
SetVolume(event)
})
window.blur(() => {
warn('Blurred')
StopSetting()
})
})
// ----- Auxiliary functions to prevent repeats -----
function StopSetting(){
//warn('StopSetting')
isSetVolume = false
bar.delay(300).fadeOut(100)
}
function SetVolume(event){
//warn('SetVolume')
let vol = (event.clientX - rect.left) / rect.width
let per = (vol*100).toFixed(1)+'%'
vid[0].volume = vol
spn.text(per)
fill.css('width', per)
}