腾讯课堂,默认只有 0.8-2 倍速,现在增加到 4 倍速(2.5、3、3.5、4)、去除xxx正在观看水印。感谢大家的反馈，如果还有什么建议和意见也可以反馈给我，再次感谢！
// ==UserScript==
// @icon http://9.url.cn/edu/lego_modules/edu-ui/0.0.1/img/nohash/logo_pc_rich.png
// @name 腾讯课堂-增加多个倍速播放、去除xxx正在观看(直播、回放都可以)
// @namespace http://tampermonkey.net/
// @version 0.5
// @description 腾讯课堂,默认只有 0.8-2 倍速,现在增加到 4 倍速(2.5、3、3.5、4)、去除xxx正在观看水印。感谢大家的反馈，如果还有什么建议和意见也可以反馈给我，再次感谢！
// @author Bamboo
// @match *://ke.qq.com/webcourse/*
// @run-at document-end
//@note 2020-04-27 增加去除水印功能(直播、回放都支持)--参考脚本：400399
// ==/UserScript==
var Bamboo = {
/**
* 根据属性获取标签,列表返回。
* tagName 要获取元素的标签
* attrName 属性名
* attrVal 属性值
**/
getDom(tagName, attrName, attrVal) {
var selectElement = [];
var element = document.getElementsByTagName(tagName);
for (var i = 0; i < element.length; i++) {
var tmpVal = element[i].getAttribute(attrName);
if (attrVal === tmpVal) {
selectElement.push(element[i]);
}
}
return selectElement;
},
/**
* 根据父 dom 元素获取子 dom 元素,
* parentDom 要获取的父 dom 元素
* tagName 要获取的子 dom 的标签
* index 要获取子 dom 的索引(第几个元素,默认第 1 个元素-index=0)
**/
getChildDom (parentDom, tagName, index) {
var children = parentDom.getElementsByTagName(tagName);
if (children) {
if (index) {
return children[index]
}
return children[0]
}
return null;
}
};
function removeWatermark(){
var head = document.head
var style = document.createElement("style")
style.type = "text/css"
var css = [
"a[class*='marquee animation'],txpdiv[class*='player-inject'] {",
" display: none!important;",
"}",
"#x-tcp-container > txpdiv {",
" display: none!important;",
"}",
].join("\n")
var text = document.createTextNode(css)
style.appendChild(text)
head.appendChild(style)
}
function liClickEvent() {
var tmpList = document.querySelectorAll("[class^='vjs-playback-rate']");
var tmpUlList;
for (var i = 0; i < tmpList.length; i++) {
var tmp = Bamboo.getChildDom(tmpList[i], 'ul');
if (tmp) {
tmpUlList = tmp
}
}
var childNodes = tmpUlList.childNodes;
for(var j = 0;j < childNodes.length; j++){
var li = childNodes[j];
var attrVal = li.getAttribute("aria-checked");
var classAttrVal = li.getAttribute("class");
if(classAttrVal && classAttrVal.indexOf('vjs-selected') > -1){
li.setAttribute('class', classAttrVal.substring(0, classAttrVal.indexOf('vjs-selected') - 1));
}
if(attrVal == true || attrVal == 'true'){
li.setAttribute('aria-checked', false);
}
}
var rateVal = document.querySelectorAll("[class^='vjs-playback-rate-value']");
var classVal = this.getAttribute('class')
classVal = classVal.concat(" vjs-selected");
this.setAttribute("class",classVal );
this.setAttribute("aria-checked", true);
var selectSpan = Bamboo.getChildDom(this, 'span');
var selectSpeedText = selectSpan.innerText;
var selectSpeed = 1;
rateVal[0].innerText = selectSpeedText;
if (selectSpeedText) {
selectSpeed = selectSpeedText.replace(/x/, '')
}
var video = document.getElementsByTagName("video")[0] || document.getElementById("videoPlayer") || document.querySelector('video');
if (video){
video.play();
video.playbackRate = selectSpeed;
}
}
(function () {
'use strict';
try {
removeWatermark();
} catch(error) {
}
setTimeout(function () {
var ulList;
//定义播放速度列表
var extSpeedArr = [0.8, 1, 1.25, 1.5, 2, 2.5, 3, 3.5, 4];
var playSpeedList = document.querySelectorAll("[class^='vjs-playback-rate']");
var button;
for (var i = 0; i < playSpeedList.length; i++) {
var tmp = Bamboo.getChildDom(playSpeedList[i], 'ul');
var tmp1 = Bamboo.getChildDom(playSpeedList[i],'button');
if (tmp) {
ulList = tmp
}
if (tmp1) {
button = tmp1;
}
}
ulList.innerHTML = '';
for (var j = 0; j < extSpeedArr.length; j++) {
var appendLi = document.createElement('li');
appendLi.setAttribute('class', 'vjs-menu-item')
appendLi.setAttribute('tabindex', '-1')
appendLi.setAttribute('role', 'menuitemcheckbox')
appendLi.setAttribute('aria-live', 'polite')
appendLi.setAttribute('aria-disabled', 'false')
appendLi.setAttribute('aria-checked', 'false')
var liSpan1 = document.createElement('span');
liSpan1.setAttribute('class', 'vjs-menu-item-text');
liSpan1.innerText = extSpeedArr[j] + 'x';
appendLi.appendChild(liSpan1);
var liSpan2 = document.createElement('span');
liSpan2.setAttribute('class', 'vjs-control-text');
appendLi.appendChild(liSpan1);
appendLi.appendChild(liSpan2);
ulList.append(appendLi)
if (appendLi.addEventListener){
appendLi.addEventListener("click", liClickEvent, false);
}
if (appendLi.attachEvent){
appendLi.attachEvent("onclick", liClickEvent);
}
}
},5000);
})();