Youtube Undistract

Make Youtube less distracting

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         Youtube Undistract
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Make Youtube less distracting
// @author       DA25
// @match        https://www.youtube.com/*
// @icon         https://www.google.com/s2/favicons?domain=youtube.com
// @grant        GM_addStyle
// @license.     MIT 
// ==/UserScript==

(function() {
    'use strict';

    let urlCheckIntervalId = null;
    let lastUrl = '';
    let stopListening;
    let lastPageName;
    let currentPageName;

    const watchVideoPage = {
        name: 'watchVideoPage',
        matches: (document) => {
            const url = document.location.href;
            const regex = /^https:\/\/www\.youtube\.com\/watch\?v=[\w-]+.*$/;
            return regex.test(url);
        },
        init: (document) => {
            console.log('watchVideoPage: init');
            if (lastPageName === currentPageName) {
                console.log(`Same page: ${currentPageName}, not doing anything`);
                return;
            }
            const hideContentStyles = `
                div#secondary div#secondary-inner {
                    opacity: 0;
                    transition: opacity .25s ease-in-out 0s;
                }
                div#secondary:hover div#secondary-inner {
                    opacity: 1;
                    transition: opacity .25s ease-in-out 0.5s;
                }

                ytd-comments#comments ytd-item-section-renderer#sections {
                    opacity: 0;
                    transition: opacity .25s ease-in-out 0s;
                }
                ytd-comments#comments:hover ytd-item-section-renderer#sections {
                    opacity: 1;
                    transition: opacity .25s ease-in-out 0.5s;
                }

                ytd-compact-video-renderer:has(ytd-thumbnail-overlay-resume-playback-renderer) {
                    opacity: 0.05;
                    transition: opacity .25s ease-in-out 0s;
                }
                ytd-compact-video-renderer:has(ytd-thumbnail-overlay-resume-playback-renderer):hover {
                    opacity: 1;
                    transition: opacity .25s ease-in-out 0.5s;
                }

                .ytp-heat-map-container {
                    display: block !important;
                    opacity: 1 !important;
                }

                #contents ytd-reel-shelf-renderer {
                    display: none
                }
           `;
            const scrollRelatedStyles = `
                div#related:has(ytd-watch-next-secondary-results-renderer) {
                    overflow-y: scroll;
                    outline: 1px solid white;
                    max-height: calc(var(--ytd-watch-flexy-panel-max-height) + var(--ytd-watch-flexy-space-below-player) + var(--ytd-watch-flexy-masthead-height));
                }
            `;

            GM_addStyle(hideContentStyles);
            GM_addStyle(scrollRelatedStyles);

            const scrollHandlerBuilder = (element) => (event) => {
                const deltaY = event.deltaY;
                const contentHeight = element.scrollHeight;
                const visibleHeight = element.offsetHeight;
                const scrollTop = element.scrollTop;

                if ((scrollTop === 0 && deltaY < 0) || ((scrollTop + visibleHeight + 0.5 >= contentHeight) && deltaY > 0)) {
                    event.preventDefault();
                }
            };

            const addScrollListener = (element) => {
                console.log('addScrollListener');
                const scrollHandler = scrollHandlerBuilder(element);
                element.addEventListener('wheel', scrollHandler, { passive: false });
                return () => {
                    console.log('removeScrollListener');
                    element.removeEventListener('wheel', scrollHandler);
                }
            };

            const startListening = () => {
                console.log('enter: startListening');
                if (stopListening) {
                    try {
                        stopListening();
                    } catch(e) {
                        console.error(e);
                    } finally {
                        stopListening = undefined;
                    }
                }
                const relatedVideosContainerEle = document.querySelector('div#related:has(ytd-watch-next-secondary-results-renderer)');
                if (relatedVideosContainerEle) {
                    stopListening = addScrollListener(relatedVideosContainerEle);
                }
            };

            setTimeout(() => startListening(), 4000);
        },
        destroy: () => {
        }
    }

    const homePage = {
        name: 'homePage',
        matches: (document) => {
            const url = document.location.href;
            const regex = /^https:\/\/www\.youtube\.com\/?$/;
            return regex.test(url);
        },
        init: (document) => {
//             document.location.href = 'https://www.youtube.com/playlist?list=WL'
        },
        destroy: () => {}
    };

    const pages = [
        watchVideoPage,
        homePage
    ];

    const startListenPageUrlChange = (callback) => {
        console.log('startListenPageUrlChange');
        if (urlCheckIntervalId === null) {
            lastUrl = document.location.href;

            urlCheckIntervalId = setInterval(() => {
                const currentUrl = document.location.href;
                console.log('checking if page changed', currentUrl !== lastUrl);
                if (currentUrl !== lastUrl) {
                    callback(lastUrl, currentUrl);
                    lastUrl = currentUrl;
                }
            }, 4000); // Check every 1000 milliseconds (1 second)
        }
    }

    const stopListenPageUrlChange = () => {
        console.log('stopListenPageUrlChange');
        if (urlCheckIntervalId !== null) {
            clearInterval(urlCheckIntervalId);
            urlCheckIntervalId = null;
        }
    }

    const checkMatchingPage = () => {
        console.log('checkMatchingPage');
        const matchingPage = pages.find((page) => page.matches(document));

        if (matchingPage) {
            console.log('Matching page found: ', matchingPage.name);
            lastPageName = currentPageName;
            currentPageName = matchingPage.name;
            const lastPage = pages.find((page) => page.name === lastPageName);
            if (lastPage) {
                lastPage.destroy();
            }
            matchingPage.init(document);
        } else {
            console.log('No matching page found');
        }
    }

    const pageChangeHandler = (lastUrl, currentUrl) => {
        console.log('pageChangeHandler: Url Changed: ', currentUrl);
        checkMatchingPage();
    }

    const init = () => {
        console.log('init');
        checkMatchingPage();
    }

    init();
    startListenPageUrlChange(pageChangeHandler)
})();