nhentai Auto Scroller

Auto scroll doujinshi and manga on nhentai so you can jerk off all hands-free.

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

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 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         nhentai Auto Scroller
// @namespace    http://tampermonkey.net/
// @version      2.0.0
// @description  Auto scroll doujinshi and manga on nhentai so you can jerk off all hands-free.
// @author       LoliEnjoyer
// @include      /^https:\/\/nhentai\.net\/g\/\d+\/\d+\/$/
// ==/UserScript==

const ScrollHandler = {
    scrollIntervalID: null,
    turnPageIntervalID: null,

    startReader() {
        const scrollDelay = 5; // Increase this value to make scrolling slower. Default nhentai value: 5
        const scrollSpeed = 1;
        const scrollLimit = document.body.scrollHeight - window.innerHeight;

        if (this.scrollIntervalID === null) {
            this.scrollIntervalID = setInterval(() => {
                let scrollPos = window.scrollY;
                if (scrollPos < scrollLimit) {
                    window.scrollTo(0, scrollPos + scrollSpeed);
                } else {
                    clearInterval(this.scrollIntervalID);
                    this.scrollIntervalID = null;
                    this.turnPage(4500);
                }
            }, scrollDelay);
        }
    },

    stopReader() {
        clearInterval(this.scrollIntervalID);
        clearInterval(this.turnPageIntervalID);
        this.scrollIntervalID = null;
        this.turnPageIntervalID = null;
    },

    turnPage(timeout) {
        if (this.turnPageIntervalID === null) {
            this.turnPageIntervalID = setInterval(() => { unsafeWindow.reader.next_page() }, timeout);
        }
    }
};

let isAutoScroll = false;
let scrollTimeoutID = null;

const div = document.createElement('div');
const button = document.createElement('button');
const icon = document.createElement('i');
button.setAttribute('class', 'btn btn-primary');
icon.setAttribute('class', 'fa fa-lg fa-play');
div.setAttribute('style', 'z-index: 100; right: 0; margin: 10px;')
button.setAttribute('style', 'width: 46px; height: 46px;')

function buttonClickAction() {
    isAutoScroll = !isAutoScroll;
    icon.setAttribute('class', `fa fa-lg ${isAutoScroll ? 'fa-pause' : 'fa-play'}`);
    if (isAutoScroll) {
        ScrollHandler.startReader();
    } else {
        ScrollHandler.stopReader();
        clearTimeout(scrollTimeoutID);
        scrollTimeoutID = null;
    }
}

function buttonPosition() {
    window.scrollY >= 90
        ? Object.assign(div.style, { position: 'fixed', top: 0 })
        : Object.assign(div.style, { position: 'absolute', top: "90px" });
}

buttonPosition();
button.appendChild(icon);
div.appendChild(button);
document.body.appendChild(div);

button.addEventListener('click', buttonClickAction);
window.addEventListener('scroll', buttonPosition);

new MutationObserver(() => {
    if (isAutoScroll) {
        ScrollHandler.stopReader();
        clearTimeout(scrollTimeoutID);
        scrollTimeoutID = setTimeout(() => {
            ScrollHandler.startReader();
            scrollTimeoutID = null;
        }, 3000);
    }
}).observe(document.body, { childList: true, subtree: true });