e-hentai Scroll Mode

Scroll to browsing e-hentai's art.

Versão de: 05/01/2022. Veja: a última versão.

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

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

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==UserScript==

// @namespace    https://greasyfork.org/zh-TW/users/142344-jasn-hr
// @name         e-hentai Scroll Mode
// @description  Scroll to browsing e-hentai's art.
// @copyright    2019, HrJasn (https://greasyfork.org/zh-TW/users/142344-jasn-hr)
// @license      GPL-3.0-or-later
// @version      2.1.2
// @icon         https://www.google.com/s2/favicons?domain=e-hentai.org
// @include				http*://e-hentai.org/s/*
// @include				http*://exhentai.org/s/*
// @exclude				http*://www.e-hentai.org/*
// @grant					none
// ==/UserScript==

window.onload = function(){

	targetURL = "";
	
	currentImageURL = "";
	currentImageOnclick = "";
	
	currentImageScrollTop = 0;
	lastScrollTop = 0;

	mainImage = document.querySelector("#img");
	mainImage_parentDIV = mainImage.parentNode.parentNode.parentNode;

	scrollMode_DIV = document.body.appendChild(document.createElement("div"));
	scrollMode_DIV.style = "z-index:999;position:fixed;cursor:pointer;left:0px;width:100%;height:0px;top:" + window.innerHeight + "px;-webkit-overflow-scrolling:touch;overflow-y:scroll;background-color:gray;transition:all 0.5s ease 0.5s;";

	mainImage_clone = scrollMode_DIV.appendChild(mainImage.cloneNode(true));
	mainImage_clone.style.maxWidth = "";
	mainImage_clone.style.maxHeight = "";
	mainImage_clone_originalWidth = mainImage_clone.offsetWidth;
	mainImage_clone_originalHeight = mainImage_clone.offsetHeight;
	mainImage_clone.setAttribute("originalWidth",mainImage_clone_originalWidth);
	mainImage_clone.setAttribute("originalHeight",mainImage_clone_originalHeight);
	mainImage_clone.style.width = "100%";
	mainImage_clone.style.height = (mainImage_clone_originalHeight*mainImage_clone.offsetWidth)/mainImage_clone_originalWidth + "px";
	mainImage_clone.setAttribute("prevURL",mainImage_parentDIV.querySelector('a#prev').href);
	mainImage_clone.setAttribute("prevOnclick",mainImage_parentDIV.querySelector('a#prev').getAttribute("onclick"));
	mainImage_clone.setAttribute("nextURL",mainImage_parentDIV.querySelector('a#next').href);
	mainImage_clone.setAttribute("nextOnclick",mainImage_parentDIV.querySelector('a#next').getAttribute("onclick"));
	
	targetURL = mainImage_clone.getAttribute("nextURL");
	sendInfo(targetURL);

	scrollMode_DIV.addEventListener('click', function(){
		
		if (scrollMode_DIV.offsetHeight==0) {

			document.body.style.overflow="hidden";

			scrollMode_DIV.style.top = "0px";
			scrollMode_DIV.style.height = window.innerHeight + "px";

			scrollMode_DIV.style.transition = "";
			scrollMode_DIV.scrollTop = mainImage_clone.offsetTop + mainImage_clone.offsetHeight - window.innerHeight;

			var tmpInterval = setInterval(function(){				
				if(scrollMode_DIV.scrollTop <= (mainImage_clone.offsetTop + mainImage_clone.offsetHeight)){
					scrollMode_DIV.scrollTop += ((((mainImage_clone.offsetTop + mainImage_clone.offsetHeight) - scrollMode_DIV.scrollTop)/200)+10);
				} else {
					clearInterval(tmpInterval);
				}				
			},((scrollMode_DIV.scrollTop - (mainImage_clone.offsetTop + mainImage_clone.offsetHeight))/200));
			
			scrollMode_DIV.style.transition = "all 0.5s ease 0.5s";

		} else {

			var imgObjs = scrollMode_DIV.querySelectorAll("img");

			for (var i = 0; i < imgObjs.length; i++) {
				
				if ( scrollMode_DIV.scrollTop < imgObjs[i].offsetTop ) {
					
					currentImageScrollTop = scrollMode_DIV.scrollTop;
					if(imgObjs[i-1]){
						mainImage_clone = imgObjs[i-1];
						currentImageScrollTop = scrollMode_DIV.scrollTop - mainImage_clone.offsetTop;
					}
					
					var a = document.createElement("a");
					a.setAttribute("href", "#");
					a.setAttribute("onclick",imgObjs[i].getAttribute("prevOnclick"));
					document.body.appendChild(a);
					a.style.display = "none";
					a.onclick();
					
					break;
					
				}
				
			}
				
			scrollMode_DIV.style.top = window.innerHeight + "px";
			scrollMode_DIV.style.height = "0px";

			window.focus();

			setTimeout(function(){
				document.body.style.overflow="";
			}, 510);

			if(currentImageScrollTop){
				window.scrollTo(0,currentImageScrollTop);
			}else{
				window.scrollTo(0,Math.max(window.pageYOffset,document.documentElement.scrollTop)*0.98);
			}

			if (document.body.getAttribute('listener') !== 'true') {

				document.body.addEventListener("wheel",openscrollMode_DIV,false);
				document.body.addEventListener("scroll",openscrollMode_DIV,false);
				document.body.addEventListener("keydown",openscrollMode_DIV,false);

			}

		}
		
	});

	window.addEventListener('resize', function(){
		
		scrollMode_DIV.style.transition = "";
		scrollMode_DIV.style.height = window.innerHeight + "px";
		var lastscrollHeight = scrollMode_DIV.scrollHeight;
		
		scrollMode_DIV.querySelectorAll("img").forEach(function(imgObj){

			imgObj.style.width = "100%";
			var mainImage_clone_originalWidth = imgObj.getAttribute("originalWidth");
			var mainImage_clone_originalHeight = imgObj.getAttribute("originalHeight");
			imgObj.style.height = (mainImage_clone_originalHeight*imgObj.offsetWidth)/mainImage_clone_originalWidth + "px";

		});
		
		scrollMode_DIV.style.transition = "all 0.5s ease 0.5s";
		scrollMode_DIV.scrollTop = scrollMode_DIV.scrollTop*(scrollMode_DIV.scrollHeight/lastscrollHeight);

	});

	var openscrollMode_DIV = function(){

		var currentScrollTop = window.pageYOffset || document.documentElement.scrollTop;

		if ( (currentScrollTop >= lastScrollTop) && (currentScrollTop + window.innerHeight >= document.body.offsetHeight*0.99) ) {

			scrollMode_DIV.click();
			scrollMode_DIV.focus();

			this.removeEventListener('wheel', arguments.callee);
			this.removeEventListener('scroll', arguments.callee);
			this.removeEventListener('keydown', arguments.callee);

		}

		lastScrollTop = currentScrollTop <= 0 ? 0 : currentScrollTop;

	}

	document.body.addEventListener("wheel",openscrollMode_DIV,false);
	document.body.addEventListener("scroll",openscrollMode_DIV,false);
	document.body.addEventListener("keydown",openscrollMode_DIV,false);

	var loadpages = function(event){

		if (scrollMode_DIV.scrollTop + window.innerHeight >= scrollMode_DIV.scrollHeight*0.7) {

			scrollMode_DIV.style.height = window.innerHeight + "px";

			var imgObjs = scrollMode_DIV.querySelectorAll("img");

			if (imgObjs[imgObjs.length-1].getAttribute("nextURL") != targetURL) {
				currentImageURL = imgObjs[imgObjs.length-1].getAttribute("nextURL");
				currentImageOnclick = imgObjs[imgObjs.length-1].getAttribute("nextOnclick");
				targetURL = imgObjs[imgObjs.length-1].getAttribute("nextURL");
				sendInfo(targetURL);
			}

		}

	}

	scrollMode_DIV.addEventListener("wheel",loadpages,false);
	scrollMode_DIV.addEventListener("scroll",loadpages,false);
	scrollMode_DIV.addEventListener("keydown",loadpages,false);

	function sendInfo(url){

		if (window.XMLHttpRequest) {
			request = new XMLHttpRequest();
		}
		else if (window.ActiveXObject) {
			request = new ActiveXObject("Microsoft.XMLHTTP");
		}

		try {
			request.onreadystatechange = getInfo;
			request.open("GET", url, true);
			request.send();
		}
		catch (e) {
			console.log("Unable to connect to server");
		}
	}

	function getInfo(){
		
		if (request.readyState == 4) {

			var getInfoText = request.responseText;
			var parser = new DOMParser();
			var getInfoBody = parser.parseFromString(getInfoText,"text/html").body;
			var getInfoImage = getInfoBody.querySelector("#img");
			var getInfoImage_parentDIV = getInfoImage.parentNode.parentNode.parentNode;
		
			getInfoImage.setAttribute("prevURL",getInfoImage_parentDIV.querySelector('a#prev').href);
			getInfoImage.setAttribute("prevOnclick",getInfoImage_parentDIV.querySelector('a#prev').getAttribute("onclick"));
			getInfoImage.setAttribute("nextURL",getInfoImage_parentDIV.querySelector('a#next').href);
			getInfoImage.setAttribute("nextOnclick",getInfoImage_parentDIV.querySelector('a#next').getAttribute("onclick"));
			getInfoImage.setAttribute("currentImageURL",currentImageURL);
			getInfoImage.setAttribute("currentImageOnclick",currentImageOnclick);

			putImage(getInfoImage);

		}
		
	}

	function putImage(targetImage){

		var toLoadImage = scrollMode_DIV.appendChild(targetImage);
		toLoadImage.style.maxWidth = "";
		toLoadImage.style.maxHeight = "";
		var toLoadImage_originalWidth = toLoadImage.offsetWidth;
		var toLoadImage_originalHeight = toLoadImage.offsetHeight;
		toLoadImage.setAttribute("originalWidth",toLoadImage_originalWidth);
		toLoadImage.setAttribute("originalHeight",toLoadImage_originalHeight);
		toLoadImage.style.width = "100%";
		toLoadImage.style.height = (toLoadImage_originalHeight*toLoadImage.offsetWidth)/toLoadImage_originalWidth + "px";

	}

}