NHentai Improved

Partially fade/remove non-english, HQ thumbnails, mark as read, subs, etc.

As of 2019-05-28. See the latest version.

// ==UserScript==
// @name         NHentai Improved
// @namespace    Hentiedup
// @version      1.4
// @description  Partially fade/remove non-english, HQ thumbnails, mark as read, subs, etc.
// @author       Hentiedup
// @match        https://nhentai.net/*
// @require      https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @grant        GM_listValues
// @icon         https://i.imgur.com/1lihxY2.png
// ==/UserScript==


//YOU SHOULD NO LONGER TOUCH THE SETTINGS HERE. THEY ARE NOW AVAILABLE ON THE SITE IN THE PROFILE SETTINGS

//== non-english settings ==//
var remove_non_english = GM_getValue("remove_non_english", false);
var partially_fade_all_non_english = GM_getValue("partially_fade_all_non_english", true);
var non_english_fade_opacity = GM_getValue("non_english_fade_opacity", 0.3);

//== browse sections ==//
var browse_thumbnail_width = GM_getValue("browse_thumbnail_width", 250);
var browse_thumnail_container_width = GM_getValue("browse_thumnail_container_width", 1350);
var load_high_quality_browse_thumbnails = GM_getValue("load_high_quality_browse_thumbnails", true);

//== comic pages view ==//
var pages_thumbnail_width = GM_getValue("pages_thumbnail_width", 300);
var pages_thumnail_container_width = GM_getValue("pages_thumnail_container_width", 1350);
var load_high_quality_pages_thumbnails = GM_getValue("load_high_quality_pages_thumbnails", true);

//== mark as read system ==//
var mark_as_read_system_enabled = GM_getValue("mark_as_read_system_enabled", true);
var marked_as_read_fade_opacity = GM_getValue("marked_as_read_fade_opacity", 0.3);
var read_tag_font_size = GM_getValue("read_tag_font_size", 15);

//== subscription system ==//
var subscription_system_enabled = GM_getValue("subscription_system_enabled", true);

/*
var keys = GM_listValues();
for (var i=0, key=null; key=keys[i]; i++) {
  GM_deleteValue(key);
}
alert(GM_listValues());
*/

//================= Getting arrays ready =================//
if(true) {
    if(subscription_system_enabled) {
        var SubArray = [];
        var SubArrayString = GM_getValue("SubArrayString", null);
        if(SubArrayString) { SubArray = JSON.parse(SubArrayString); }
    }

    if(mark_as_read_system_enabled) {
        var MARArray = [];
        var MARArrayString = GM_getValue("MARArrayString", null);
        if(MARArrayString) { MARArray = JSON.parse(MARArrayString); }

        var unreadImg = '<svg style="vertical-align: middle;" width="15" height="15" aria-hidden="true" focusable="false" data-prefix="fas" data-icon="book-open" class="svg-inline--fa fa-book-open fa-w-18" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path fill="currentColor" d="M542.22 32.05c-54.8 3.11-163.72 14.43-230.96 55.59-4.64 2.84-7.27 7.89-7.27 13.17v363.87c0 11.55 12.63 18.85 23.28 13.49 69.18-34.82 169.23-44.32 218.7-46.92 16.89-.89 30.02-14.43 30.02-30.66V62.75c.01-17.71-15.35-31.74-33.77-30.7zM264.73 87.64C197.5 46.48 88.58 35.17 33.78 32.05 15.36 31.01 0 45.04 0 62.75V400.6c0 16.24 13.13 29.78 30.02 30.66 49.49 2.6 149.59 12.11 218.77 46.95 10.62 5.35 23.21-1.94 23.21-13.46V100.63c0-5.29-2.62-10.14-7.27-12.99z"></path></svg>';
        var readImg = '<svg style="vertical-align: middle;" width="15" height="15" aria-hidden="true" focusable="false" data-prefix="fas" data-icon="book" class="svg-inline--fa fa-book fa-w-14" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M448 360V24c0-13.3-10.7-24-24-24H96C43 0 0 43 0 96v320c0 53 43 96 96 96h328c13.3 0 24-10.7 24-24v-16c0-7.5-3.5-14.3-8.9-18.7-4.2-15.4-4.2-59.3 0-74.7 5.4-4.3 8.9-11.1 8.9-18.6zM128 134c0-3.3 2.7-6 6-6h212c3.3 0 6 2.7 6 6v20c0 3.3-2.7 6-6 6H134c-3.3 0-6-2.7-6-6v-20zm0 64c0-3.3 2.7-6 6-6h212c3.3 0 6 2.7 6 6v20c0 3.3-2.7 6-6 6H134c-3.3 0-6-2.7-6-6v-20zm253.4 250H96c-17.7 0-32-14.3-32-32 0-17.6 14.4-32 32-32h285.4c-1.9 17.1-1.9 46.9 0 64z"></path></svg>';
    }
}
//========================================================//


//================== Adding stylesheets ==================//
if(true) {
    if(remove_non_english) {
        addGlobalStyle(`
			.gallery:not([data-tags~='12227']) {
				display: none;
			}
		`);
    }
    else if(!remove_non_english && partially_fade_all_non_english) {
        addGlobalStyle(`
			.gallery:not([data-tags~='12227']) > .cover {
				opacity: ` + non_english_fade_opacity + `;
			}
		`);
    }

    addGlobalStyle(`
		/*browsing comics*/
		.container.index-container {
			text-align: center;
			max-width: 100%;
			width: ` + browse_thumnail_container_width + `px;
		}
		.gallery > .cover > img {
			width: 100%;
		}
		.container.index-container > div.gallery {
			width: ` + browse_thumbnail_width + `px;
		}

		/*view comic pages*/
		div.thumb-container {
			width: auto;
		}
		#thumbnail-container {
			text-align: center;
			max-width: 100%;
			width: ` + pages_thumnail_container_width + `px;
		}
			div.thumb-container img {
			width: ` + pages_thumbnail_width + `px;
		}
	`);

    if(mark_as_read_system_enabled)
    {
        addGlobalStyle(`
			.readTag {
				border-radius: 10px;
				padding: 5px 10px;
				position: absolute;
				background-color: rgba(0,0,0,.7);
				color: rgba(255,255,255,.8);
				bottom: 7.5px;
				right: 7.5px;
				font-size: `+read_tag_font_size+`px;
				font-weight: 900;
				opacity: 1;
			}

			#markAsRead, #markAsRead:visited {
				background-color: #3d9e48;
			}
			#markAsRead:active, #markAsRead:hover {
				background-color: #52bc5e;
			}

			#markAsUnRead, #markAsUnRead:visited {
				background-color: rgb(218, 53, 53);
			}
			#markAsUnRead:active, #markAsUnRead:hover {
				background-color: #e26060;
			}

			.gallery {
				position: relative;
			}
			.readOverlay {
				position: absolute;
				left: 0;
				top: 0;
				width: 100%;
				height: 100%;
				background-color: RGBA(31, 31, 31, `+(1 - marked_as_read_fade_opacity)+`);
			}
		`);
    }

    if(subscription_system_enabled) {
        addGlobalStyle(`
			#tags .subbedTag, #tags .subbedTag:visited {
				background-color: #2c5030;
			}
			#tags .subbedTag:active, #tags .subbedTag:hover {
				background-color: #416144;
			}

			#subTo, #subTo:visited {
				background-color: #3d9e48;
			}
			#subTo:active, #subTo:hover {
				background-color: #52bc5e;
			}

			#unsubTo, #unsubTo:visited {
				background-color: rgb(218, 53, 53);
			}
			#unsubTo:active, #unsubTo:hover {
				background-color: #e26060;
			}

			#sub-content ul {
				text-align: left;
			}
			#sub-content li {
				box-sizing: border-box;
				display: inline-block;
				width: 25%;
				text-align: center;
				padding: 5px 20px;
			}

			#subTo, #unsubTo {
				height: auto;
				line-height: initial;
				cursor: pointer;
				font-size: 0.5em;
				padding: 6px 12px;
			}
		`);
    }
}
//========================================================//


//================== On Comic info page ==================//
if(window.location.href.match(/^.+?\/g\/.+?\/(\?.*|\#.*|)$/g)) //if on the comic info page
{
	//=== Mark as read system ===//
	if(mark_as_read_system_enabled) {
		var item = window.location.href.split("nhentai.net")[1].split("?")[0].split("#")[0]; //get item from url

		if(MARArray.includes(item)) //if item is marked as read
			$(".buttons").append('<a href="#" id="markAsUnRead" class="btn btn-secondary">'+unreadImg+' <span style="vertical-align: middle;">Mark as unread</span></a>'); //..add unmark button
		else
			$(".buttons").append('<a href="#" id="markAsRead" class="btn btn-secondary">'+readImg+' <span style="vertical-align: middle;">Mark as read</span></a>'); //...add mark button

		AddMARClickListeners();
	}
	//===========================//

	//==== Subscribe system =====//
	if(subscription_system_enabled) {
		let SubArraySelector = SubArray.join("'], .tag[href='");
		$(".tag[href='" + SubArraySelector + "']").addClass("subbedTag");
	}
	//===========================//

	//=== HQ thumbnail system ===//
	if(load_high_quality_pages_thumbnails && $("#thumbnail-container").length !== 0) {
		$("#thumbnail-container > .thumb-container > .gallerythumb > img").one("load", function(){
			$(this).attr("src", $(this).attr("src").replace("//t.", "//i.").replace("t.jpg", ".jpg").replace("t.png", ".png"));
		});
	}
	//===========================//
}
//========================================================//

//============== On Artist/group info page ===============//
else if(subscription_system_enabled && (window.location.href.match(/^.+?\/artist\/.+?\/(\?.*|\#.*|)$/g) || window.location.href.match(/^.+?\/artist\/.+?\/(\?.*|\#.*|)$/g))) //in artist or group page
{
	var subItem = window.location.href.split("nhentai.net")[1].split("?")[0].split("#")[0]; //get item from url
	if(SubArray.includes(subItem)) //if subscribed
		$("h1").append('<a href="#" id="unsubTo" class="btn btn-secondary"><span style="vertical-align: middle;">Unsubscribe</span></a>'); //...add unsub button
	else
		$("h1").append('<a href="#" id="subTo" class="btn btn-secondary"><span style="vertical-align: middle;">Subscribe</span></a>'); //...add sub button

	AddSubClickListeners();
}
//========================================================//

//====================== Subs page =======================//
else if(subscription_system_enabled && window.location.href.match(/^.+?\/subscriptions\/(\?.*|\#.*|)$/g)) //in subs page
{
	$("head title").html('Subscriptions');
	$("#content").prepend('<h1>Subscriptions</h1>');
	$("#content > .container").removeClass("error").prop("id", "tag-container");
	var subHTML = "";
	for(let i = 0; i < SubArray.length; i++) {
		subHTML += '<a class="tag" href="'+SubArray[i]+'">'+(SubArray[i].split("/")[2].split("/")[0].replace(/\-/g, " "))+'</a>';
	}
	$("#tag-container").html(subHTML);
}
//========================================================//

//====================== browse pages ====================//
else if($(".container.index-container").length !== 0)
{
	//=== HQ thumbnail system ===//
	if(load_high_quality_browse_thumbnails) {
		$(".container.index-container > .gallery > .cover > img").one("load", function(){
			$(this).attr("src", $(this).attr("src").replace("//t.", "//i.").replace("thumb.jpg", "1.jpg").replace("thumb.png", "1.png"));
		});
	}
	//===========================//

	//=== Mark as read system ===//
	if(mark_as_read_system_enabled) {
		let MARArraySelector = MARArray.join("'], .cover[href='");
		$(".cover[href='" + MARArraySelector + "']").parent().append('<div class="readOverlay"></div>').append("<div class='readTag'>READ</div>");
	}
	//===========================//
}
//========================================================//

//====================== Settings page ===================//
else if($("#settings-container").length !== 0)
{
    addGlobalStyle(`
#settings-container .custom-settings {
margin: 5px 5px 5px 20px;
}

#settings-container .custom-settings input[type="text"],
#settings-container .custom-settings input[type="number"]{
width: 70px;
height: 25px;
border-radius: 3px;
text-align: center;
padding: 0;
}

#settings-container .custom-settings.disabled-setting {
color: RGBA(153, 153, 153, 1);
opacity: 0.3;
}

#settings-container h2 {position: relative;}
#settings-container #settings-saved-mark {
color: green;
font-size: 15px;
position: absolute;
right: 0;
top: 10px;
display: none;
}
`);

    let settingsHTML = `<br><div id="customSettingsContainer"><form class="form-horizontal" role="form">
<h2>NHentai Improved Settings <span id="settings-saved-mark">Saved 🗸</span></h2>

<h3>Non-English Settings</h3>
<div class="custom-settings"><div class="form-control">
<label><input id="remove_non_english" type="checkbox">
Remove Non-English</label>
</div></div>

<div class="custom-settings"><div class="form-control">
<label><input id="partially_fade_all_non_english" type="checkbox">
Partially Fade Non-English</label>
</div></div>

<div class="custom-settings">
<label>Non-English Fade Opacity
<input id="non_english_fade_opacity" type="text" placeholder="0.0 - 1.0" autocomplete="off"></label>
</div>


<h3>Browse Section Settings</h3>
<div class="custom-settings" title="height scales automatically">
<label>Thumbnail Width
<input id="browse_thumbnail_width" type="number" placeholder="250"> px</label>
</div>

<div class="custom-settings" title="max-width = 100% of available space, meaning no need to worry about going too big">
<label>Thumbnail Container Width
<input id="browse_thumnail_container_width" type="number" placeholder="1350"> px</label>
</div>

<div class="custom-settings"><div class="form-control">
<label><input id="load_high_quality_browse_thumbnails" type="checkbox">
HQ Thumbnails</label>
</div></div>


<h3>Comic Pages Section Settings</h3>
<div class="custom-settings" title="height scales automatically">
<label>Thumbnail Width
<input id="pages_thumbnail_width" type="number" placeholder="250"> px</label>
</div>

<div class="custom-settings" title="max-width = 100% of available space, meaning no need to worry about going too big">
<label>Thumbnail Container Width
<input id="pages_thumnail_container_width" type="number" placeholder="1350"> px</label>
</div>

<div class="custom-settings"><div class="form-control">
<label><input id="load_high_quality_pages_thumbnails" type="checkbox">
HQ Thumbnails</label>
</div></div>


<h3>Mark As Read Settings</h3>
<div class="custom-settings"><div class="form-control">
<label><input id="mark_as_read_system_enabled" type="checkbox">
Enabled</label>
</div></div>

<div class="custom-settings">
<label>Fade Opacity
<input id="marked_as_read_fade_opacity" type="text" placeholder="0.0 - 1.0" autocomplete="off"></label>
</div>

<div class="custom-settings">
<label>Read Tag Font Size
<input id="read_tag_font_size" type="number" placeholder="15"> px</label>
</div>


<h3>Subscription Settings</h3>
<div class="custom-settings"><div class="form-control">
<label><input id="subscription_system_enabled" type="checkbox">
Enabled</label>
</div></div>
<br><br>
</form></div>`;
    $("#settings-container").append(settingsHTML);
    InitialValuesForSettings();
    $("#settings-container form:last").change(function(){
        UpdateSettingsValues();
    });
}
//========================================================//

//====================== All pages =======================//
if(subscription_system_enabled) {
    $(".menu.right").prepend('<li><a href="/subscriptions/"><i class="fa fa-heartbeat"></i> Subscriptions</a></li>');
}
//========================================================//

function InitialValuesForSettings() {
    $("#remove_non_english").prop("checked", remove_non_english);
    $("#partially_fade_all_non_english").prop("checked", partially_fade_all_non_english);
    $("#non_english_fade_opacity").val(non_english_fade_opacity);
    $("#browse_thumbnail_width").val(browse_thumbnail_width);
    $("#browse_thumnail_container_width").val(browse_thumnail_container_width);
    $("#load_high_quality_browse_thumbnails").prop("checked", load_high_quality_browse_thumbnails);
    $("#pages_thumbnail_width").val(pages_thumbnail_width);
    $("#pages_thumnail_container_width").val(pages_thumnail_container_width);
    $("#load_high_quality_pages_thumbnails").prop("checked", load_high_quality_pages_thumbnails);
    $("#mark_as_read_system_enabled").prop("checked", mark_as_read_system_enabled);
    $("#marked_as_read_fade_opacity").val(marked_as_read_fade_opacity);
    $("#read_tag_font_size").val(read_tag_font_size);
    $("#subscription_system_enabled").prop("checked", subscription_system_enabled);
}

function UpdateSettingsValues() {
    remove_non_english = $("#remove_non_english").is(':checked');
    partially_fade_all_non_english = $("#partially_fade_all_non_english").is(':checked');
    non_english_fade_opacity = $("#non_english_fade_opacity").val();
    browse_thumbnail_width = $("#browse_thumbnail_width").val();
    browse_thumnail_container_width = $("#browse_thumnail_container_width").val();
    load_high_quality_browse_thumbnails = $("#load_high_quality_browse_thumbnails").is(':checked');
    pages_thumbnail_width = $("#pages_thumbnail_width").val();
    pages_thumnail_container_width = $("#pages_thumnail_container_width").val();
    load_high_quality_pages_thumbnails = $("#load_high_quality_pages_thumbnails").is(':checked');
    mark_as_read_system_enabled = $("#mark_as_read_system_enabled").is(':checked');
    marked_as_read_fade_opacity = $("#marked_as_read_fade_opacity").val();
    read_tag_font_size = $("#read_tag_font_size").val();
    subscription_system_enabled = $("#subscription_system_enabled").is(':checked');

    GM_setValue("remove_non_english", remove_non_english);
    GM_setValue("partially_fade_all_non_english", partially_fade_all_non_english);
    GM_setValue("non_english_fade_opacity", non_english_fade_opacity);
    GM_setValue("browse_thumbnail_width", browse_thumbnail_width);
    GM_setValue("browse_thumnail_container_width", browse_thumnail_container_width);
    GM_setValue("load_high_quality_browse_thumbnails", load_high_quality_browse_thumbnails);
    GM_setValue("pages_thumbnail_width", pages_thumbnail_width);
    GM_setValue("pages_thumnail_container_width", pages_thumnail_container_width);
    GM_setValue("load_high_quality_pages_thumbnails", load_high_quality_pages_thumbnails);
    GM_setValue("mark_as_read_system_enabled", mark_as_read_system_enabled);
    GM_setValue("marked_as_read_fade_opacity", marked_as_read_fade_opacity);
    GM_setValue("read_tag_font_size", read_tag_font_size);
    GM_setValue("subscription_system_enabled", subscription_system_enabled);

    $("#settings-saved-mark").fadeIn(500, function() {
        setTimeout(function() {
            $("#settings-saved-mark").fadeOut(500);
        }, 1000);
    });

    if(remove_non_english) {
        $("#partially_fade_all_non_english").prop("disabled", true);
        $("#non_english_fade_opacity").prop("disabled", true);
        $("#partially_fade_all_non_english").parentsUntil(".custom-settings").parent().addClass("disabled-setting");
        $("#non_english_fade_opacity").parentsUntil(".custom-settings").parent().addClass("disabled-setting");
    }
    else {
        $("#partially_fade_all_non_english").prop("disabled", false);
        $("#non_english_fade_opacity").prop("disabled", false);
        $("#partially_fade_all_non_english").parentsUntil(".custom-settings").parent().removeClass("disabled-setting");
        $("#non_english_fade_opacity").parentsUntil(".custom-settings").parent().removeClass("disabled-setting");

        if(!partially_fade_all_non_english) {
            $("#non_english_fade_opacity").prop("disabled", true);
            $("#non_english_fade_opacity").parentsUntil(".custom-settings").parent().addClass("disabled-setting");
        }
        else {
            $("#non_english_fade_opacity").prop("disabled", false);
            $("#non_english_fade_opacity").parentsUntil(".custom-settings").parent().removeClass("disabled-setting");
        }
    }

    if(mark_as_read_system_enabled) {
        $("#marked_as_read_fade_opacity, #read_tag_font_size").prop("disabled", false);
        $("#marked_as_read_fade_opacity, #read_tag_font_size").parentsUntil(".custom-settings").parent().removeClass("disabled-setting");
    }
    else {
        $("#marked_as_read_fade_opacity, #read_tag_font_size").prop("disabled", true);
        $("#marked_as_read_fade_opacity, #read_tag_font_size").parentsUntil(".custom-settings").parent().addClass("disabled-setting");
    }
}

function AddSubClickListeners() {
    $("#subTo").click(function(){
        SubArray.push(subItem); //add to array
        SubArrayString = JSON.stringify(SubArray); //convert array to string
        GM_setValue("SubArrayString", SubArrayString); //save string
        $(this).html('<span style="vertical-align: middle;">Unsubscribe</span>').prop("id", "unsubTo");
        $(this).off();
        AddSubClickListeners();
    });
    $("#unsubTo").click(function(){
        SubArray.splice(SubArray.indexOf(subItem), 1); //remove from array
        SubArrayString = JSON.stringify(SubArray); //convert array to string
        GM_setValue("SubArrayString", SubArrayString); //save string
        $(this).html('<span style="vertical-align: middle;">Subscribe</span>').prop("id", "subTo");
        $(this).off();
        AddSubClickListeners();
    });
}

function AddMARClickListeners() {
    $("#markAsRead").click(function(){
        MARArray.push(item); //add to array
        MARArrayString = JSON.stringify(MARArray); //covert array to string
        GM_setValue("MARArrayString", MARArrayString); //save string
        $(this).html(unreadImg+' <span style="vertical-align: middle;">Mark as unread</span>').prop("id", "markAsUnRead");
        $(this).off();
        AddMARClickListeners();
    });

    $("#markAsUnRead").click(function(){
        MARArray.splice(MARArray.indexOf(item), 1); //remove from array
        MARArrayString = JSON.stringify(MARArray); //covert array to string
        GM_setValue("MARArrayString", MARArrayString); //save string
        $(this).html(readImg+' <span style="vertical-align: middle;">Mark as read</span>').prop("id", "markAsRead");
        $(this).off();
        AddMARClickListeners();
    });
}

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);
}