可连续倍速播放、设置播放起始位置,便于复习
目前为
// ==UserScript==
// @name 中国大学mooc_倍速播放与片头跳过
// @namespace http://tampermonkey.net/
// @version 1.3
// @description 可连续倍速播放、设置播放起始位置,便于复习
// @author kakasearch
// @match http*://www.icourse163.org/learn/*
// @match http*://www.icourse163.org/spoc/*
// @run-at document-end
// @grant GM_getValue
// @grant GM_setValue
// ==/UserScript==
(function() {
'use strict';
let mode = '刷课'//'review'
let speed = 2 //播放倍率
let start_time = 0
function FullScreen() {
//全屏播放
var ele = document.getElementsByTagName('video')[0]
if (ele.requestFullscreen) {
ele.requestFullscreen();
} else if (ele.mozRequestFullScreen) {
ele.mozRequestFullScreen();
} else if (ele.webkitRequestFullScreen) {
ele.webkitRequestFullScreen();
}
}
function change_speed(i){//修改速度并存储
document.getElementsByTagName('video')[0].playbackRate += i
let new_speed = document.getElementsByTagName('video')[0].playbackRate
GM_setValue('speed',new_speed)
}
function show(){//修改速度并存储
document.querySelector("#speedText").innerText='播放速度：'+String(document.getElementsByTagName('video')[0].playbackRate.toFixed(1))
}
let main = ()=>{
console.log('runmian')
if (/content/.test(window.location.href)) {
console.log('kaka_mooc_loaded');
// document.body.onkeydown = function(event) {//恢复按键屏蔽
// if (window.event) {
// return event;
// }
// }
//取消自动播放
if(mode=='review'){
let check = setInterval(function() {
let checkbox = document.querySelector("#courseLearn-inner-box > div > div > div.j-lscontent.lscontent > div.j-unitct.unitct > div.m-learnunitUI.f-pr.learn-plan-container > div.j-unitctBar.unitctBar.f-cb > div.f-fl > input")
if (checkbox) {
clearInterval(check)
checkbox.checked = false
}
},
100)
}
let pass = setInterval(function() {
let video = document.getElementsByTagName('video')
if (video.length > 0) {
clearInterval(pass)
let has_value = GM_getValue('speed')
if(has_value){
speed = has_value
}
video[0].playbackRate = speed
video[0].currentTime = Number(GM_getValue('start_time')) ||0
video[0].play()
let start_time = GM_getValue('start_time') ||0
if(! document.querySelector("#startTime")){
let otest = document.querySelector("div.j-unitctBar.unitctBar.f-cb")
let nodestr = '</br><div><b id="speedText"></b></br><b>起始秒数：</b><input type="text" id="startTime" placeholder="'+start_time+'" style="border:black;outline: auto;padding-left: 3px;"></div>'
let newnode=document.createRange().createContextualFragment(nodestr);
otest.insertBefore(newnode,document.querySelector(".j-report-bug"))
document.querySelector("#startTime").onblur= function(){
GM_setValue('start_time',Number(document.querySelector("#startTime").value))
GM_setValue('is_focus',0)
}
document.querySelector("#startTime").onfocus= function(){
GM_setValue('is_focus',1)
}
}
show()
if(mode=='review'){
video[0].onended = function() { //自动播放下一p
if (document.querySelector(".f-fl.current").nextElementSibling == null) {
// 没了
let yid = /&id=(\d+)/.exec(window.location.href)[1]
let nid = parseInt(yid) + 1
window.location.href = window.location.href.replace(yid, String(nid))
} else {
//下1p
let ycid = /cid=(\d+)/.exec(window.location.href)[1]
let ncid = parseInt(ycid) + 1
window.location.href = window.location.href.replace(ycid, String(ncid))
}
}
}
document.body.onkeydown = function(ev) {
if( GM_getValue('is_focus')){
return ev
}else{
var e = ev || event;
if (e.keyCode == 67) {
change_speed(0.1)
} else if (e.keyCode == 88) {
change_speed(-0.1)
} else if (e.keyCode == 13) {
FullScreen()
//全屏状态下的连续播放
if(mode=='review'){
document.querySelector("#courseLearn-inner-box > div > div > div.j-lscontent.lscontent > div.j-unitct.unitct > div.m-learnunitUI.f-pr.learn-plan-container > div.j-unitctBar.unitctBar.f-cb > div.f-fl > input").checked = false
if (document.getElementsByTagName('video')[0].ended) {
let ycid = /cid=(\d+)/.exec(window.location.href)[1]
let ncid = parseInt(ycid) + 1
window.location.href = window.location.href.replace(ycid, String(ncid))
}}
} else if (e.keyCode == 39) {
document.getElementsByTagName('video')[0].currentTime += 5
} else if (e.keyCode == 37) {
document.getElementsByTagName('video')[0].currentTime -= 5
} else if (e.keyCode == 49) {
document.getElementsByTagName('video')[0].playbackRate = 1
} else if (e.keyCode == 50) {
document.getElementsByTagName('video')[0].playbackRate = 2
} else if (e.keyCode == 51) {
document.getElementsByTagName('video')[0].playbackRate = 3
} else if (e.keyCode == 52) {
document.getElementsByTagName('video')[0].playbackRate = 4
}else{
return e
}
GM_setValue('speed',document.getElementsByTagName('video')[0].playbackRate)
show()
}
}
}
},
100)
}
// Your code here...
}//main
let obser = setInterval(
function(){
let video= document.querySelector("#courseLearn-inner-box > div > div > div.j-lscontent.lscontent > ul")
if(video){
clearInterval(obser)
main()
let observer = new MutationObserver(main)
observer.observe(video, { attributes: true,childList: true });//检测video变化,防止中途切p失效
}
},200
)
}
)();
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