Help you read comics smoothly with auto loading more pages
// ==UserScript==
// @name EHentai Auto Loader
// @namespace https://e-hentai.org
// @version 1.2
// @description Help you read comics smoothly with auto loading more pages
// @author Neal
// @match https://e-hentai.org/s/*
// @match https://exhentai.org/s/*
// @grant none
// ==/UserScript==
function AddGlobalStyle(css) {
var head, style;
head = document.getElementsByTagName('head')[0];
if (!head) return;
style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
}
var index = document.location.href;
var all = document.getElementsByTagName('a');
var next = all[2].href;
var last = all[3].href;
var src = all[4].children[0].src;
var srcarray = [src];
var fail = index.indexOf('exhentai.org') > -1 ? index + '?nl=' + String(all[11].onclick).match('[0-9].*[0-9]')[0] : index + '?nl=' + String(all[12].onclick).match('[0-9].*[0-9]')[0];
var failarray = [fail];
var current = 1;
var img = new Image();
var span = document.createElement('span');
var link = document.createElement('a');
function LoadManga() {
AddGlobalStyle('body {background: black}');
AddGlobalStyle('img {max-width: 1280px; margin: 0 auto; display: block}');
AddGlobalStyle('span {color: white; text-align: center; font-size: 15px; font-weight: bold; margin: 10px auto; display: block}');
AddGlobalStyle('a {color: white; text-decoration: none; text-align: center; font-size:15px; font-weight: bold; margin: 10px auto; display: block} a:hover {color: white; text-decoration: underline}');
img.src = src;
img.onload = function () { window.scrollTo(0, 0); };
document.body.innerHTML = '';
document.body.appendChild(img);
span.innerHTML = 'Press Ctrl to Toggle between Auto Mode and Native Mode. Load Status: < 1 / 1 >.';
document.body.appendChild(span);
link.href = fail;
link.innerHTML = 'Press Enter or Click Here to Reload Current Image.';
document.body.appendChild(link);
}
function LoadStatus() {
span.innerHTML = 'Press Ctrl to Toggle between Auto Mode and Native Mode. ' + 'Load Status: < ' + current + ' / ' + srcarray.length + ' >.';
}
function LoadImage(url, callback) {
var img = new Image();
img.src = url;
if (img.complete) {
callback.call(img);
return;
}
img.onload = function() {
callback.call(img);
};
}
var end = 0;
var count = 10;
function PreloadImage() {
var htm = document.implementation.createHTMLDocument('temp');
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState == 4 && xhr.status == 200){
htm.documentElement.innerHTML = xhr.responseText;
all = htm.getElementsByTagName('a');
src = all[4].children[0].src;
LoadImage(src, LoadStatus);
srcarray.push(src);
var failstart = xhr.responseText.indexOf('nl') + 4;
var failend = xhr.responseText.substr(failstart, 30).indexOf('\'');
fail = next + '?nl=' + xhr.responseText.substr(failstart, failend);
failarray.push(fail);
next = all[2].href;
if (next == last) {
if (!end) {
end = 1;
PreloadImage();
}
}
else {
if (count > 0) PreloadImage(); else count = 10;
}
}
};
xhr.open('GET', next, true);
xhr.send();
count--;
}
var reload = 0;
function ReloadImage() {
if (!reload) {
var htm = document.implementation.createHTMLDocument('temp');
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState == 4 && xhr.status == 200){
htm.documentElement.innerHTML = xhr.responseText;
srcarray[current - 1] = htm.getElementsByTagName('a')[4].children[0].src;
img.src = srcarray[current - 1];
var failstart = xhr.responseText.indexOf('nl') + 4;
var failend = xhr.responseText.substr(failstart, 30).indexOf('\'');
failarray[current - 1] = failarray[current - 1] + '&nl=' + xhr.responseText.substr(failstart, failend);
link.href = failarray[current - 1];
reload = 0;
}
};
xhr.open('GET', failarray[current - 1], true);
xhr.send();
reload = 1;
}
}
function PrevImage() {
if (current > 1) {
img.src = srcarray[current-- - 2];
link.href = failarray[current - 1];
LoadStatus();
}
}
function NextImage() {
if (current < srcarray.length) {
img.src = srcarray[current++];
link.href = failarray[current - 1];
LoadStatus();
}
if (count == 10 && current == srcarray.length) PreloadImage();
}
var preload = 0;
document.onkeydown = function (event) {
switch (event.which) {
case 37:
event.preventDefault();
if (preload !== 0) PrevImage();
break;
case 38:
event.preventDefault();
window.scrollBy(0, -100);
break;
case 39:
event.preventDefault();
if (preload !== 0) NextImage();
break;
case 40:
event.preventDefault();
window.scrollBy(0, +100);
break;
case 13:
event.preventDefault();
if (preload !== 0) ReloadImage();
break;
case 17:
event.preventDefault();
if (preload === 0) {
preload = 1;
LoadManga();
LoadStatus();
PreloadImage();
img.onclick = function (event) {
event.preventDefault();
if (event.clientX <= document.body.clientWidth / 2)
PrevImage();
else
NextImage();
};
link.onclick = function (event) {
event.preventDefault();
ReloadImage();
};
}
else {
preload = 0;
document.location.reload();
}
break;
}
};