☰

AutoPlay

auto play video!

  1. // ==UserScript==
  2. // @name         AutoPlay
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.1
  5. // @description  auto play video!
  6. // @author       Confusion
  7. // @match        http://mooc1-2.chaoxing.com/mycourse/studentstudy?*
  8. // @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
  9. // @grant        none
  10. // @license MIT
  11. // ==/UserScript==
  12.  
  13. (function () {
  14.     'use strict';
  15.  
  16.     var play_index = 1;
  17.     var play_finish = true;
  18.  
  19.     function set_auto_play() {
  20.         var title = window.top.document.evaluate('//*[@id="mainid"]/h1', document).iterateNext();
  21.         var title_text = title.textContent.replace(/[\r\n\t]/g, "");
  22.  
  23.         var topWin = window.top.document.getElementById("iframe").contentWindow;
  24.         var iframe1_element = topWin.document.evaluate('//*[@id="ext-gen1044"]/iframe', topWin.document).iterateNext();
  25.         if (iframe1_element) {
  26.             var status = topWin.document.evaluate('//*[@id="ext-gen1044"]', topWin.document).iterateNext();
  27.             if (status && status.getAttribute("class").indexOf("ans-job-finished") == -1) {
  28.                 var topWin2 = iframe1_element.contentWindow;
  29.                 var video = topWin2.document.evaluate('//*[@id="video_html5_api"]', topWin2.document).iterateNext();
  30.                 if (video) {
  31.                     video.playbackRate = 2;
  32.                     video.muted = true;
  33.                     video.play();
  34.                     console.log("开始播放 " + title_text);
  35.                     video.addEventListener('pause', function () { //暂停开始执行的函数
  36.                         console.log("自动暂停播放");
  37.                         if (video.ended) {
  38.                             play_finish = true;
  39.                             console.log("播放完成 " + title_text);
  40.                         } else {
  41.                             video.play();
  42.                         }
  43.                     });
  44.                     return;
  45.                 }
  46.             }
  47.         }
  48.         play_finish = true;
  49.         console.log("任务跳过 " + title_text);
  50.         return;
  51.     }
  52.     function play_next() {
  53.         play_finish = false;
  54.         var span_list = document.evaluate('//*[@id="coursetree"]/div/div/h4/a/span', document);
  55.         for (var i = 1; i > 0; i++) {
  56.             var element = span_list.iterateNext();
  57.             if (!element){
  58.                 return;
  59.             }
  60.             if (i < play_index) {
  61.                 continue;
  62.             }
  63.             else {
  64.                 play_index += 1;
  65.                 setTimeout(set_auto_play, 3000);
  66.                 element.click();
  67.                 console.log('点击下一个');
  68.                 return;
  69.             }
  70.         };
  71.     }
  72.     function check() {
  73.         console.log('状态检查');
  74.         if (play_finish) {
  75.             console.log('完成开始下一个');
  76.             play_next();
  77.         }
  78.     }
  79.  
  80.     function find_current_and_start() {
  81.         try{
  82.             window.clearInterval(cheak_interval);
  83.             console.log('清理成功');
  84.         }catch{
  85.             pass;
  86.         }
  87.         var show_status_elem = document.evaluate('//*[@id="tit5"]', document).iterateNext();
  88.         show_status_elem.textContent = '自动学习中...';
  89.         var span_list = document.evaluate('//*[@id="coursetree"]/div/div/h4', document);
  90.         for (var i = 1; i > 0; i++) {
  91.             var element = span_list.iterateNext();
  92.             if (element.getAttribute("class") == "currents") {
  93.                 play_index = i;
  94.                 console.log('找到当前位置');
  95.                 var cheak_interval = setInterval(check, 5000);
  96.                 return;
  97.             }
  98.         }
  99.     }
  100.     window.onload = function () {
  101.         var button = document.createElement("li"); //创建一个input对象
  102.         var show_status = document.createElement("li"); //创建一个input对象
  103.         button.id = "tit4";
  104.         button.style.fontSize = "15px";
  105.         button.textContent = "自动学习视频";
  106.         show_status.id = "tit5";
  107.         show_status.style.fontSize = "15px";
  108.         show_status.style.color = "red";
  109.         button.onclick = function (){
  110.             find_current_and_start();
  111.             return;
  112.         };
  113.         var x = document.evaluate('//*[@id="selector"]/div[1]/div[1]/ul', document).iterateNext();
  114.         x.appendChild(button);
  115.         x.appendChild(show_status);
  116.     };
  117. })();