☰

黄金右键

按住"→"键倍速播放, 松开"→"键恢复原样, 灵活追剧看视频~ 支持b站、YouTube、腾讯视频、优酷...

目前为 2021-06-10 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name         黄金右键
  3. // @description  按住"→"键倍速播放, 松开"→"键恢复原样, 灵活追剧看视频~ 支持b站、YouTube、腾讯视频、优酷...
  4. // @namespace    http://tampermonkey.net/
  5. // @version      1.0.5
  6. // @author       SkyJin
  7. // @include     http://*
  8. // @include     https://*
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. (function () {
  13.     'use strict';
  14.  
  15.     let down_count = 0
  16.     const faster_rate = 3
  17.     let normal_rate = 1
  18.     const add_time = 7
  19.     let page_video
  20.  
  21.     const tryPageVideo = () => Array.prototype.find.call(document.getElementsByTagName('video'), e => e.offsetWidth > 9)
  22.     const getPageVideo = () => {
  23.         return new Promise(resolve => {
  24.             const timer = setInterval(() => {
  25.                 const page_video = tryPageVideo()
  26.                 if (page_video) {
  27.                     clearInterval(timer)
  28.                     resolve(page_video)
  29.                 }
  30.             }, 500);
  31.         })
  32.     };
  33.     const checkPageVideo = async () => {
  34.         if (page_video.offsetWidth <= 9) {
  35.             page_video = await getPageVideo()
  36.             if (page_video.offsetWidth <= 9) {
  37.                 console.error('播放器检查失败，请检查当前页面是否存在html5播放器')
  38.                 return false
  39.             }
  40.         }
  41.         return true
  42.     }
  43.     const relativeEvent = {
  44.         _stopper: e => e.stopPropagation(),
  45.         // 目前针对腾讯视频
  46.         shouldPrevent: location.origin.indexOf('qq.com') > -1 || location.origin.indexOf('wetv.vip') > -1,
  47.         prevent () {
  48.             document.body.addEventListener('ratechange', this._stopper, true)
  49.             document.body.addEventListener('timeupdate', this._stopper, true)
  50.         },
  51.         allow () {
  52.             document.body.removeEventListener('ratechange', this._stopper, true)
  53.             document.body.removeEventListener('timeupdate', this._stopper, true)
  54.         }
  55.     }
  56.     const downEvent = async e => {
  57.         if (e.keyCode !== 39) return
  58.         e.stopPropagation()
  59.  
  60.         // 计数+1
  61.         down_count++
  62.  
  63.         // 长按右键-开始
  64.         if (down_count === 2 && await checkPageVideo()) {
  65.             relativeEvent.shouldPrevent && relativeEvent.prevent()
  66.             normal_rate = page_video.playbackRate
  67.             page_video.playbackRate = faster_rate
  68.             console.log('加速播放中')
  69.         }
  70.     }
  71.     const upEvent = async e => {
  72.         if (e.keyCode !== 39) return
  73.         e.stopPropagation()
  74.  
  75.         // 单击右键时
  76.         if (down_count === 1 && await checkPageVideo()) {
  77.             page_video.currentTime += add_time
  78.             console.log('前进' + add_time + '秒')
  79.         }
  80.  
  81.         // 长按右键-结束
  82.         if (page_video.playbackRate !== normal_rate) {
  83.             page_video.playbackRate = normal_rate
  84.             relativeEvent.shouldPrevent && relativeEvent.allow()
  85.         }
  86.  
  87.         // 计数-重置
  88.         down_count = 0
  89.     }
  90.     const init = async () => {
  91.         page_video = await getPageVideo()
  92.         document.body.addEventListener('keydown', downEvent, true)
  93.         document.body.parentElement.addEventListener('keyup', upEvent, true)
  94.     }
  95.  
  96.     init()
  97. })();