AutoPlay

auto play video!

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         AutoPlay
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  auto play video!
// @author       Confusion
// @match        http://mooc1-2.chaoxing.com/mycourse/studentstudy?*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// @license MIT
// ==/UserScript==

(function () {
    'use strict';

    var play_index = 1;
    var play_finish = true;

    function set_auto_play() {
        var title = window.top.document.evaluate('//*[@id="mainid"]/h1', document).iterateNext();
        var title_text = title.textContent.replace(/[\r\n\t]/g, "");

        var topWin = window.top.document.getElementById("iframe").contentWindow;
        var iframe1_element = topWin.document.evaluate('//*[@id="ext-gen1044"]/iframe', topWin.document).iterateNext();
        if (iframe1_element) {
            var status = topWin.document.evaluate('//*[@id="ext-gen1044"]', topWin.document).iterateNext();
            if (status && status.getAttribute("class").indexOf("ans-job-finished") == -1) {
                var topWin2 = iframe1_element.contentWindow;
                var video = topWin2.document.evaluate('//*[@id="video_html5_api"]', topWin2.document).iterateNext();
                if (video) {
                    video.playbackRate = 2;
                    video.muted = true;
                    video.play();
                    console.log("开始播放 " + title_text);
                    video.addEventListener('pause', function () { //暂停开始执行的函数
                        console.log("自动暂停播放");
                        if (video.ended) {
                            play_finish = true;
                            console.log("播放完成 " + title_text);
                        } else {
                            video.play();
                        }
                    });
                    return;
                }
            }
        }
        play_finish = true;
        console.log("任务跳过 " + title_text);
        return;
    }
    function play_next() {
        play_finish = false;
        var span_list = document.evaluate('//*[@id="coursetree"]/div/div/h4/a/span', document);
        for (var i = 1; i > 0; i++) {
            var element = span_list.iterateNext();
            if (!element){
                return;
            }
            if (i < play_index) {
                continue;
            }
            else {
                play_index += 1;
                setTimeout(set_auto_play, 3000);
                element.click();
                console.log('点击下一个');
                return;
            }
        };
    }
    function check() {
        console.log('状态检查');
        if (play_finish) {
            console.log('完成开始下一个');
            play_next();
        }
    }

    function find_current_and_start() {
        try{
            window.clearInterval(cheak_interval);
            console.log('清理成功');
        }catch{
            pass;
        }
        var show_status_elem = document.evaluate('//*[@id="tit5"]', document).iterateNext();
        show_status_elem.textContent = '自动学习中...';
        var span_list = document.evaluate('//*[@id="coursetree"]/div/div/h4', document);
        for (var i = 1; i > 0; i++) {
            var element = span_list.iterateNext();
            if (element.getAttribute("class") == "currents") {
                play_index = i;
                console.log('找到当前位置');
                var cheak_interval = setInterval(check, 5000);
                return;
            }
        }
    }
    window.onload = function () {
        var button = document.createElement("li"); //创建一个input对象
        var show_status = document.createElement("li"); //创建一个input对象
        button.id = "tit4";
        button.style.fontSize = "15px";
        button.textContent = "自动学习视频";
        show_status.id = "tit5";
        show_status.style.fontSize = "15px";
        show_status.style.color = "red";
        button.onclick = function (){
            find_current_and_start();
            return;
        };
        var x = document.evaluate('//*[@id="selector"]/div[1]/div[1]/ul', document).iterateNext();
        x.appendChild(button);
        x.appendChild(show_status);
    };
})();