Press right key to speed up, NoStop
// ==UserScript==
// @name Speed up for Youtube
// @description Press right key to speed up, NoStop
// @version 1.05
// @author Harry
// @match https://*.youtube.com/*
// @match https://*.zoom.us/*
// @match https://*.ixigua.com/*
// @match https://*.mgtv.com/*
// @match https://v.qq.com/*
// @match http://www.zjstv.com/*
// @match http://*.cctv.com
// @icon https://www.youtube.com/s/desktop/fc7b0168/img/favicon.ico
// @connect googlevideo.com
// @license MIT
// @namespace https://greasyfork.org/users/662979
// ==/UserScript==
(function () {
'use strict';
let count = 0
let page_video
let speedupKey = 39
let history_rate = 1
const tryPageVideo = () => Array.prototype.find.call(document.getElementsByTagName('video'), e => e.currentTime > 0.1)
const getPageVideo = () => {
return new Promise(resolve => {
const timer = setInterval(() => {
const page_video = tryPageVideo()
console.log(page_video.playbackRate);
if (page_video) {
clearInterval(timer)
resolve(page_video)
}
}, 500);
})
};
const checkPageVideo = async () => {
if (page_video.currentTime <= 0) {
page_video = await getPageVideo()
if (page_video.currentTime <= 0) {
return false
}
}
return true
}
const relativeEvent = {
_stopper: e => e.stopPropagation(),
}
const downEvent_right = async e => {
if (e.keyCode !== speedupKey) return
e.stopPropagation()
count++
if (count === 2 && await checkPageVideo()) {
relativeEvent.shouldPrevent && relativeEvent.prevent()
history_rate = page_video.playbackRate
page_video.playbackRate = 3
console.log(page_video.playbackRate)
console.log('speed up for 3x times')
}
}
const upEvent_right = async e => {
if (e.keyCode !== speedupKey) return
e.stopPropagation()
if (count >= 2 && page_video.playbackRate > 1) {
page_video.playbackRate = history_rate
console.log('cancel speed up')
relativeEvent.shouldPrevent && relativeEvent.allow()
}else{
page_video.currentTime += 5
}
count = 0
}
const init = async () => {
page_video = await getPageVideo()
document.body.addEventListener('keydown', downEvent_right, true)
document.body.parentElement.addEventListener('keyup', upEvent_right, true)
}
init()
Object.defineProperties(document, { 'hidden': {value: false}, 'webkitHidden': {value: false}, 'visibilityState': {value: 'visible'}, 'webkitVisibilityState': {value: 'visible'} });
setInterval(function(){
document.dispatchEvent( new KeyboardEvent( 'keyup', { bubbles: true, cancelable: true, keyCode: 143, which: 143 } ) );
}, 60000);
})();