xjtu美育平台视频加速器，支持倍速选择（最高支持16倍速），后台播放，自动连播，解放你的时间！
// ==UserScript==
// @name XJTU美育平台视频加速器
// @namespace http://tampermonkey.net/
// @version 0.1
// @description xjtu美育平台视频加速器，支持倍速选择（最高支持16倍速），后台播放，自动连播，解放你的时间！
// @author JL
// @match https://vpahw.xjtu.edu.cn/*/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=xjtu.edu.cn
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
var globalVideoIndex = 0;
function ensureVideoPlays() {
let video = document.querySelector('video');
if (video && video.paused) {
if (document.visibilityState !== 'visible'){
if(video.ended)autoPlayNextVideo();
else video.play();
}
}
}
function muteAllMedia() {
const mediaElements = document.querySelectorAll('audio, video');
mediaElements.forEach(media => {
media.muted = true;
});
}
// 页面加载时执行静音操作
window.addEventListener('load', muteAllMedia);
// 可以根据需要重复执行静音操作，以确保动态加载的媒体也被静音
setInterval(muteAllMedia, 1000);
function checkVideoStatus() {
if (globalVideoIndex === -1) {
// 当所有视频都已播放时执行的操作
let video = document.querySelector('video');
if (video) {
// video.pause();
// 可以在这里添加其他所需的操作，例如关闭标签页等
setTimeout(() => {
let newVideo = document.querySelector('video');
newVideo.muted = true;
newVideo.pause();
}, 750);
}
}
}
function setVideoSpeed(speed) {
let video = document.querySelector('video');
if (video && !isNaN(speed) && isFinite(speed)) {
video.playbackRate = speed;
}
}
function findNextVideoIndex(videos) {
for (let i = 0; i < videos.length; i++) {
if (!videos[i].querySelector('.anticon-check-circle')) {
return i;
}
}
return -1; // 如果所有视频都已播放，返回 -1
}
function autoPlayNextVideo() {
// 移除之前所有视频的 'ended' 事件监听器
document.querySelectorAll('video').forEach(v => v.removeEventListener('ended', autoPlayNextVideo));
let video = document.querySelector('video');
if (video) {
video.addEventListener('ended', function() {
// 延迟一段时间后再寻找下一个视频
setTimeout(() => {
let videos = document.querySelectorAll('ul.list-none li');
let nextVideoIndex = findNextVideoIndex(videos);
if (nextVideoIndex !== -1 && nextVideoIndex < videos.length) {
videos[nextVideoIndex].click();
setTimeout(() => {
setVideoSpeed(16); // 为新视频设置速度
let newVideo = document.querySelector('video');
newVideo.muted = true;
autoPlayNextVideo();
}, 750);
}else {
// 所有视频都已播放或达到列表末尾
globalVideoIndex = -1;
checkVideoStatus();
}
}, 750); // 延迟时间根据实际情况调整
});
}
}
function createSpeedControlPanel() {
let controlPanel = document.createElement('div');
controlPanel.style.position = 'fixed';
controlPanel.style.bottom = '10px';
controlPanel.style.right = '10px';
controlPanel.style.backgroundColor = 'white';
controlPanel.style.padding = '10px';
controlPanel.style.zIndex = '1000';
controlPanel.style.border = '1px solid black';
let speedInput = document.createElement('input');
speedInput.type = 'number';
speedInput.value = '16';
speedInput.style.marginRight = '5px';
let setSpeedButton = document.createElement('button');
setSpeedButton.textContent = 'Set Speed';
setSpeedButton.onclick = function() {
setVideoSpeed(parseFloat(speedInput.value));
};
controlPanel.appendChild(speedInput);
controlPanel.appendChild(setSpeedButton);
document.body.appendChild(controlPanel);
}
function initializeVideoPlayer() {
let video = document.querySelector('video');
let muteButton = document.querySelector('.ck-bar-btn.ck-btn-muted');
if (video) {
if (muteButton) {
var clickEvent = new MouseEvent("click", {
"view": window,
"bubbles": true,
"cancelable": false
});
muteButton.dispatchEvent(clickEvent);
}
video.playbackRate = 16;
video.play();
createSpeedControlPanel();
autoPlayNextVideo();
} else {
setTimeout(initializeVideoPlayer, 1000);
}
}
function initializeButton() {
let button = document.createElement('button');
button.textContent = '开始播放';
button.style.position = 'absolute';
button.style.top = '50%';
button.style.left = '50%';
button.style.transform = 'translate(-50%, -50%)';
button.style.padding = '10px 20px';
button.style.fontSize = '1.5em';
button.style.color = 'white';
button.style.backgroundColor = '#007bff';
button.style.border = 'none';
button.style.borderRadius = '5px';
button.style.cursor = 'pointer';
button.style.zIndex = '1000';
button.addEventListener('click', function() {
initializeVideoPlayer();
button.style.display = 'none';
});
document.body.appendChild(button);
}
initializeButton();
autoPlayNextVideo();
setInterval(ensureVideoPlays, 1000); // 每1000毫秒检查一次
})();