Make any Acellus Video Unpaused (Flawed)

Unpauses the video when changing tabs on Acellus ;)
当前为 2024-04-26 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Make any Acellus Video Unpaused (Flawed)
// @namespace    https://greasyfork.org/en/users/1291009
// @version      1.6
// @description  Unpauses the video when changing tabs on Acellus ;)
// @author       BadOrBest
// @license      MIT
// @icon         https://www.google.com/s2/favicons?sz=64&domain=acellus.com
// @match        https://admin192c.acellus.com/student/*
// @grant        none
// @grant        GM_addStyle
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    // Toggle for the library
    var libraryEnabled = true;

    // Function to enable or disable the library
    function toggleLibrary(enable) {
        libraryEnabled = enable;
        if (enable) {
            // If enabled, load the library
            loadLibrary();
        } else {
            // If disabled, remove the library if it's already loaded
            removeLibrary();
        }
    }

    // Function to load the library
    function loadLibrary() {
        var script = document.createElement('script');
        script.src = 'https://update.greasyfork.org/scripts/493520/1366528/Mute%20Option.js';
        document.head.appendChild(script);
    }

    // Function to remove the library
    function removeLibrary() {
        var libraryScript = document.querySelector('script[src="https://update.greasyfork.org/scripts/493520/1366528/Mute%20Option.js"]');
        if (libraryScript) {
            libraryScript.remove();
        }
    }

    // Enable the library initially
    toggleLibrary(true);

    // Function to unpause media elements
    function unpauseMedia() {
        // Select all video, audio, and Plyr elements
        var mediaElements = document.querySelectorAll('video, audio, .plyr');

        // Loop through each media element and unpause it
        mediaElements.forEach(function(mediaElement) {
            // Check if the media is paused
            if (mediaElement.paused) {
                // Unpause the media
                mediaElement.play();
            }
        });
    }

    // Function to set aggressive unpause interval
    function setUnpauseInterval() {
        // Clear any existing interval
        clearInterval(window.unpauseInterval);

        // Set new interval
        window.unpauseInterval = setInterval(unpauseMedia, 1000); // Change the interval as needed
    }

    // Set aggressive unpause interval initially
    setUnpauseInterval();

    // Function to mute media elements using the mediaMuter library
    function muteMedia() {
        if (window.mediaMuter) {
            window.mediaMuter.muteMedia();
        }
    }

    // Function to unmute media elements using the mediaMuter library
    function unmuteMedia() {
        if (window.mediaMuter) {
            window.mediaMuter.unmuteMedia();
        }
    }

    // Event listener for tab visibility change
    document.addEventListener('visibilitychange', function() {
        if (libraryEnabled) {
            if (document.hidden) {
                muteMedia();
            } else {
                unmuteMedia();
                setUnpauseInterval();
            }
        }
    });

    // Function to handle mutations in the DOM
    var observer = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutation) {
            // Check if new nodes were added
            if (mutation.type === 'childList') {
                // Check each added node
                mutation.addedNodes.forEach(function(node) {
                    // If the added node is a media element, mute it
                    if (node instanceof HTMLVideoElement || node instanceof HTMLAudioElement) {
                        node.muted = true;
                    }
                });
            }
        });
    });

    // Start observing mutations in the document body
    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

})();