Handy ExHentai

Handy ExHentai.org

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          Handy ExHentai
// @namespace     handyexhentai
// @version       2024.01.30
// @description   Handy ExHentai.org
// @match         *://exhentai.org/s/*
// @match         *://g.e-hentai.org/s/*
// @match         *://exhentai.org/mpv/*
// @match         *://g.e-hentai.org/mpv/*
// @run-at        document-end
// @grant         unsafeWindow
// @noframes
// ==/UserScript==

function id(id) {return document.getElementById(id);}
if (typeof unsafeWindow === "undefined"){unsafeWindow = window;}

if(window.location.pathname.indexOf("/s/") == 0)
{
	// hide top panel
	id("i1").firstElementChild.style.display = "none";
	id("i2").style.display = "none";

	// hide scrollbar
	document.body.style.overflow = "hidden";
	function onkeydownP(b)
	{
		switch (b.keyCode)
		{
		case KeyEvent.DOM_VK_UP:
			window.scrollBy({
			  top: -150,
			  left: 0,
			  behavior: 'smooth'
			});
			cancelEvent(b);
			break;
		case KeyEvent.DOM_VK_DOWN:
			window.scrollBy({
			  top: 150,
			  left: 0,
			  behavior: 'smooth'
			});
			cancelEvent(b);
			break;
		case 112: // KeyEvent.DOM_VK_F1
			if(!document.webkitFullscreenElement && !document.mozFullScreenElement)
			{
				if(!document.documentElement.webkitRequestFullscreen){document.documentElement.webkitRequestFullscreen = document.documentElement.mozRequestFullScreen;}
				document.documentElement.webkitRequestFullscreen(window.ALLOW_KEYBOARD_INPUT);
			}
			else
			{
				if (document.webkitCancelFullScreen)
				{
					document.webkitCancelFullScreen();
				}
				else if (document.mozCancelFullScreen)
				{
					document.mozCancelFullScreen();
				}
			}
			cancelEvent(b);
			break;
		}
	}
	window.addEventListener("keydown", onkeydownP, true);
	if(navigator.userAgent.indexOf('Firefox') != -1) // firefox disables mouse wheel scroll if scrollbar is invisible, let's fix this
	{
		function onWheel(e)
		{
			window.scrollBy({
			  top: e.detail*2,
			  left: 0,
			  behavior: 'smooth'
			});
		}
		unsafeWindow.addEventListener ("MozMousePixelScroll", onWheel, false);
	}

	// auto detect failed images
	var DT;
	function ad()
	{
		if(DT){clearTimeout(DT);}
		DT = setTimeout(function() { console.warn("check");if(id("img").naturalWidth == 0){id("loadfail").click();}DT=0; }, 1500);
	}
	ad();

	// preload 1 next page
	var FireFox = ((navigator.userAgent.indexOf('Firefox') != -1) ? true : false);
	var adr, ifr_img;
	function makeframe()
	{
		var img = id("img");
		var preload = id("preload");
		if(!preload)
		{
			preload = document.createElement('iframe');
			preload.id = "preload";
			preload.style.display = "none";
			document.body.appendChild(preload);
		}
		if(history.length != 1) // no preload right after direct page open from gallery with CTRL
		{
			if(FireFox)
			{
				adr = preload.src;
				ifr_img = preload.contentDocument.img;
			}
			else
			{
				if(typeof preload.location !== 'undefined' ){adr = preload.location.href;}
				ifr_img = preload.img;
			}
			if(!adr || parseInt(img.parentNode.href.split("-").pop()) > parseInt(adr.split("-").pop())) // not: reached last page || going backwards
			{
				if(typeof ifr_img === 'undefined' || ifr_img.complete || !ifr_img.naturalWidth) // image loaded or not started loading
				{
					preload.setAttribute("src", img.parentNode.href);
				}
				else
				{
					setTimeout(function() { makeframe(); }, 555);
				}
			}
		}
	}

	if (typeof exportFunction === "undefined")
	{
		delete unsafeWindow.history.replaceState;
		unsafeWindow.history.EXreplaceState = unsafeWindow.history.replaceState;

		unsafeWindow.history.__proto__.replaceState = function (a,b,c)
		{
			unsafeWindow.history.EXreplaceState(a,b,c);
			setTimeout(function() { makeframe(); }, 222);
			ad();
		}
	}
	else // FF 31
	{
		function RS(a,b,c)
		{
			//unsafeWindow.history.EXreplaceState(a,b,c); // no idea, wtf firefox?
			setTimeout(function() { makeframe(); }, 222);
			ad();
		}
		unsafeWindow.history.EXreplaceState = unsafeWindow.history.replaceState;
		exportFunction(RS, unsafeWindow.history.__proto__, {defineAs: "replaceState"});
	}
}
else // MPV
{
	id("bar1").remove(); // settings pane at right
	id("pane_thumbs").remove(); // thumbnails at left
	// centering
	id("pane_images").style.position="absolute";
	id("pane_images").style.top="0px";
	id("pane_images").style.left="0px";
	id("pane_images").style.right="0px";
	id("pane_images").style.bottom="0px";
	id("pane_images").style.margin="auto auto";



	// auto detect failed images
	if (typeof exportFunction === "undefined")
	{
		unsafeWindow.Rrescale_image = unsafeWindow.rescale_image;
		unsafeWindow.rescale_image= function (a,b)
		{
			unsafeWindow.Rrescale_image(a,b);
			setTimeout(function() { if(b.naturalWidth == 0){unsafeWindow.action_reload(a); }}, 2000);
		}

		unsafeWindow.sync_thumbpane = function(){}; // - errors
		unsafeWindow.preload_scroll_thumbs = function(){}; // - errors
	}
	else // FF 31
	{
		function rescale_image(a,b)
		{
			unsafeWindow.Rrescale_image(a,b);
			setTimeout(function() { if(b.naturalWidth == 0){unsafeWindow.action_reload(a); }}, 2000);
		}
		unsafeWindow.Rrescale_image = unsafeWindow.rescale_image;
		exportFunction(rescale_image, unsafeWindow, {defineAs: "rescale_image"});

		exportFunction(function(){}, unsafeWindow, {defineAs: "sync_thumbpane"}); // - errors
		exportFunction(function(){}, unsafeWindow, {defineAs: "preload_scroll_thumbs"}); // - errors
	}

	// F1 hotkey to FullScreen
	function onkeydownP(b)
	{
		switch (b.keyCode)
		{
		case 112: // KeyEvent.DOM_VK_F1
		document.styleSheets[1].cssRules[0].style.setProperty("border","0px solid rgb(227, 224, 209)"); // no border on images
			if(!document.webkitFullscreenElement && !document.mozFullScreenElement)
			{
				if(!document.documentElement.webkitRequestFullscreen){document.documentElement.webkitRequestFullscreen = document.documentElement.mozRequestFullScreen;}
				document.documentElement.webkitRequestFullscreen(window.ALLOW_KEYBOARD_INPUT);
			}
			else
			{
				if (document.webkitCancelFullScreen)
				{
					document.webkitCancelFullScreen();
				}
				else if (document.mozCancelFullScreen)
				{
					document.mozCancelFullScreen();
				}
			}
			cancelEvent(b);
			break;
		}
	}
	window.addEventListener("keydown", onkeydownP, true);
}