Auto learning

Auto passing H3C online learning

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Auto learning
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  Auto passing H3C online learning
// @author       Particle_G
// @match        http://lmsn.h3c.com/els/html/courseStudyItem/courseStudyItem.learn.do*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=h3c.com
// @grant        none
// @license      MIT
// ==/UserScript==


const sleep = (time) => {
    return new Promise((resolve) => setTimeout(resolve, time));
};

const optionConfig = {
    x: 140,
    y: 160,
    step: 60
}

const performClick = (canvas, x, y) => {
    canvas.dispatchEvent(new MouseEvent("mousedown", {
        clientX: x,
        clientY: y,
        bubbles: true
    }));

    canvas.dispatchEvent(new MouseEvent("mouseup", {
        clientX: x,
        clientY: y,
        bubbles: true
    }));
};

const selectOptions = (canvas, options) => {
    options.forEach(option => {
        performClick(
            canvas,
            optionConfig.x,
            optionConfig.y + optionConfig.step * option
        );
    });
    performClick(canvas, 740, 410);
};

async function autoLearning(remainTime = 0) {
    console.info('Checking iframe...');
    let iframe = document.querySelector("iframe");
    while (!iframe) {
        console.info('Waiting for iframe to be available...');
        await sleep(250);
        iframe = document.querySelector("iframe");
    }

    console.info('Skipping video...');
    let video = iframe.contentWindow.document.querySelector('#myvideo');
    while (!video) {
        console.info('Waiting for video to be available...');
        await sleep(1000);
        video = iframe.contentWindow.document.querySelector('#myvideo');
    }

    let canvas = iframe.contentWindow.document.querySelector('#layaCanvas');
    if (!canvas) {
        canvas = document.querySelector("iframe").contentWindow.document.querySelector('#layaCanvas');
        console.log(canvas);
    }

    await sleep(250);

    if (video.paused) {
        performClick(canvas, 380, 310);
        await sleep(250);
    }

    video.currentTime = Math.floor(video.duration) - remainTime;
    video.play();

    while (!video.ended) {
        console.info('Waiting for video to be ended...');
        await sleep(250);
    }

    performClick(canvas, 750, 480);
    await sleep(250);
    if (!video.paused) {
        console.info('Go to new video...');
        return;
    }

    let questionNumber = 1;
    while (iframe.contentWindow[`T${questionNumber}`]) {
        let answers = (new iframe.contentWindow[`T${questionNumber}`]).t_ans.split("").map(item => item.charCodeAt() - 65);
        selectOptions(canvas, answers);
        await sleep(100);
        performClick(canvas, 400, 380);
        questionNumber++;
        await sleep(100);
        if (!video.paused) {
            break;
        }
    }
    while (video.paused) {
        console.info('Waiting for new video to be started...');
        await sleep(250);
    }
}

(async () => {
    'use strict';
    try {
        while (true) {
            await autoLearning();
            await sleep(500);
        }
    } catch (error) {
        console.log(error);
    }
})();