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按住右键→倍速播放, 松开右键→恢复原样, 灵活追剧看视频~ 支持b站、YouTube、优酷...
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// ==UserScript==
// @name 黄金右键
// @description 按住右键→倍速播放, 松开右键→恢复原样, 灵活追剧看视频~ 支持b站、YouTube、优酷...
// @namespace http://tampermonkey.net/
// @version 0.2.0
// @author SkyJin
// @include https://www.bilibili.com/*
// @include https://www.youtube.com/*
// @include https://v.youku.com/v_show/id_*
// @include https://www.iqiyi.com/*
// @grant none
// ==/UserScript==
(async function() {
'use strict';
let down_count = 0
const faster_rate = 3
let normal_rate = 1
const add_time = 7
let page_video
const tryPageVideo = () => Array.prototype.find.call(document.getElementsByTagName('video'), e => e.offsetWidth > 9)
const getPageVideo = () => {
return new Promise(resolve => {
const timer = setInterval(() => {
const page_video = tryPageVideo()
if (page_video) {
clearInterval(timer)
resolve(page_video)
}
}, 500);
})
};
const checkPageVideo = async () => {
if (page_video.offsetWidth <= 9) {
page_video = await getPageVideo()
if (page_video.offsetWidth <= 9) {
console.error('播放器检查失败，请检查当前页面是否存在html5播放器')
return false
}
}
return true
}
const downEvent = async e => {
if (e.keyCode !== 39) return
e.stopPropagation()
if (++down_count === 2 && await checkPageVideo()) {
normal_rate = page_video.playbackRate
page_video.playbackRate = faster_rate
console.log('加速播放中')
}
}
const upEvent = async e => {
if (e.keyCode !== 39) return
e.stopPropagation()
if (down_count === 1 && await checkPageVideo()) {
page_video.currentTime += add_time
console.log('前进' + add_time + '秒')
}
down_count = 0
page_video.playbackRate = normal_rate
}
page_video = await getPageVideo()
document.body.addEventListener('keydown', downEvent, true)
document.body.parentElement.addEventListener('keyup', upEvent, true)
})();