Manga cleaner & loader

img:click/arrow-key, back:top-left, width:top-right/w-key, load:bottom-right, remove crap

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 or Violentmonkey 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     Manga cleaner & loader
// @version     1.0.9
// @description     img:click/arrow-key, back:top-left, width:top-right/w-key, load:bottom-right, remove crap
// @namespace     https://greasyfork.org/users/3159
// @grant     GM_getValue
// @grant     GM_setValue
// @include     http*://*e-hentai.org/s/*
// @include     http*://exhentai.org/s/*
// @include     http*://*hentairules.net/galleries*/picture.php?/*
// ==/UserScript==

//startup
var loc = location.hostname.indexOf('hentairules.net') > -1 ? 1 : 2;
var next,o,t;
if (loc == 1) {
    location.href = document.getElementById('derivativeSwitchBox').children[5].href; //need to reload page for this to take effect

    //next = document.getElementById('linkNext').href;
    next = document.getElementsByClassName('pwg-button-icon-right')[0].href;

	o = document.getElementById('theMainImage').src;
	t = document.getElementsByClassName('browsePath')[0].children[1].innerText;
}
else if (loc == 2) {
	var a = document.getElementsByTagName('a');
	next = a[2].href;
	var last = a[3].href;
	o = a[4].children[0].src;
	t = document.title;
}
var array = [o];
var w = 0;
var i = 0;
var y = 0;
document.head.innerHTML = '<title>' + t + '</title><style>html{height:100%}body{height:100%;margin:0}img{width:100%;max-width:100%;margin-left:auto;margin-right:auto;display:block}div{width:100px;height:100px;position:fixed}div:hover{background:rgba(0,0,0,.5)}</style>';
document.body.innerHTML = '';
var img = new Image();
img.src = o;
document.body.appendChild(img);

//background
var gi;
function current() {
	gi = document.getElementsByTagName('img');
	for (var a = 0; a < gi.length; a++) {
		if (window.pageYOffset + window.innerHeight >= gi[a].offsetTop) {
			o = a;
		}
	}
	return o;
}

function cnimage(i) {
	if (!gi[i] && array[i]) {
		var bimg = new Image();
		bimg.src = array[i];
		document.body.appendChild(bimg);
	}
}

var onScrollStart = function () {
	if (y) {
		var x = current();
		cnimage(x + 1);
		cnimage(x + 2);
		cnimage(x + 3);
		cnimage(x + 4);
	}
};

window.addEventListener("scroll", onScrollStart, false);

function parray() {
	var r = document.implementation.createHTMLDocument("temp");
	var x = new XMLHttpRequest();
	x.onreadystatechange = function () {
		if (x.readyState == 4 && x.status == 200) {
			var a = x.responseText;
			r.documentElement.innerHTML = a;
			if (loc == 1) {
				var ti = r.getElementsByTagName('img')[0].outerHTML.split('src="')[1].split('"')[0];
				var nn = r.getElementsByClassName('pwg-button-icon-right')[0].outerHTML;
				next = nn.split('href="')[1] ? nn.split('href="')[1].split('"')[0] : "";
				if (next === "") {
					w = 2;
				}
			}
			else if (loc == 2) {
				var aa = r.getElementsByTagName('a');
				ti = aa[4].children[0].src;
				next = aa[2].href;
				if (next == last) {
					w++;
				}
			}
			array.push(ti);
			if (w < 2) {
				parray();
			}
		}
	};
	x.open('GET', next, true);
	x.send();
	return;
}
parray();

img.onclick = function () {
	if ((i + 1) < array.length) {
		img.src = array[++i];
	}
};

window.document.onkeydown = function () {};
document.addEventListener("keydown", function (e) {
	switch (e.which) {
	case 39:
		if ((i + 1) < array.length) {
			img.src = array[++i];
		}
		break;
	case 37:
		if (i > 0) {
			img.src = array[--i];
		}
		break;
	case 87:
		cwidth();
		break;
	}
});

var timg1 = new Image();
var timg2 = new Image();
var timg3 = new Image();
var timg4 = new Image();
var timg5 = new Image();
var timg6 = new Image();
var timg7 = new Image();
var timg8 = new Image();

img.onload = function () {
	window.scrollTo(0, 0);
	array[i + 1] ? timg1.src = array[i + 1] : null;
	array[i + 2] ? timg2.src = array[i + 2] : null;
	array[i + 3] ? timg3.src = array[i + 3] : null;
	array[i + 4] ? timg4.src = array[i + 4] : null;
	array[i - 1] ? timg5.src = array[i - 1] : null;
	array[i - 2] ? timg6.src = array[i - 2] : null;
	array[i - 3] ? timg7.src = array[i - 3] : null;
	array[i - 4] ? timg8.src = array[i - 4] : null;
};

//buttons

var load = document.createElement("div");
load.style.cssText = "right:0;bottom:0";
load.onclick = function () {
	y = 1;
	load.style.display = "none";
	width.style.position = back.style.position = "absolute";
	if (array[1]) {
		var aimg = new Image();
		aimg.src = array[1];
		document.body.appendChild(aimg);
	}
};

var back = document.createElement("div");
back.style.cssText = "top:0;left:0";
back.onclick = function () {
	if (i > 0) {
		img.src = array[--i];
	}
};

var sstyle = document.createElement("style");
document.head.appendChild(sstyle);

if (GM_getValue("magsave")) {
	sstyle.innerText = "img{max-height:100%;width:inherit}";
}

function cwidth() {
	if (GM_getValue("magsave")) {
		sstyle.innerText = "img{max-height:inherit;width:100%}";
		GM_setValue("magsave", 0);
	} else {
		sstyle.innerText = "img{max-height:100%;width:inherit}";
		GM_setValue("magsave", 1);
	}
}

var width = document.createElement("div");
width.style.cssText = "top:0;right:0";
width.onclick = function () {
	cwidth();
};

var down = document.createElement("div");
down.style.cssText = "bottom:0;left:0";
down.onclick = function () {
	var images = document.getElementsByTagName("img");
	var urls = '';
	for (i = 0; i < images.length; i++) {
		urls += images[i].src;
		urls += "<br />";
	}
    urls += "copy links<br />in terminal use nano to create a file called urls<br />run the command:<br />mkdir a && cd a && xargs -n 1 curl -O < ../urls && echo 'done'";
	document.body.innerHTML = urls;
};

document.body.appendChild(back);
document.body.appendChild(width);
document.body.appendChild(load);
document.body.appendChild(down);