// ==UserScript==
// @name            NovelHelper
// @name:vi         NovelHelper
// @namespace       https://lelinhtinh.github.io
// @description     Add navigation features to some web novels.
// @description:vi  Bổ sung tính năng điều hướng cho một vài trang web truyện.
// @version         1.3.2
// @icon            https://i.imgur.com/FHgT0E4.png
// @author          Zzbaivong
// @oujs:author     baivong
// @license         MIT; https://baivong.mit-license.org/license.txt
// @match           https://tienhieptruyen.net/*
// @match           https://truyendich.com/*
// @match           https://bachngocsach.com/reader/*
// @match           https://truyenbns.com/reader/*
// @match           https://bachngocsach.com.vn/reader/*
// @match           https://vlognovel.com/*
// @require         https://unpkg.com/hotkeys-js/dist/hotkeys.min.js
// @require         https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js?v=a834d46
// @noframes
// @supportURL      https://github.com/lelinhtinh/Userscript/issues
// @run-at          document-idle
// @grant           GM_addStyle
// @inject-into     content
// ==/UserScript==
/* global hotkeys */
const k = hotkeys.noConflict();
let chapSelector, preSelector, nextSelector;
switch (location.host) {
case 'tienhieptruyen.net':
chapSelector = '.chapter-c';
preSelector = () => {
const preBtn = document.querySelector('.chap-header .btn-next:not([disabled]) .fa-angle-double-left');
if (preBtn === null) return;
preBtn.parentNode.click();
};
nextSelector = () => {
const nextBtn = document.querySelector('.chap-header .btn-next:not([disabled]) .fa-angle-double-right');
if (nextBtn === null) return;
nextBtn.parentNode.click();
};
break;
case 'truyendich.com':
chapSelector = '#read-content';
preSelector = '.btn-chapter-pre:not(.disable)';
nextSelector = '.btn-chapter-next:not(.disable)';
break;
case 'bachngocsach.com':
case 'truyenbns.com':
case 'bachngocsach.com.vn':
chapSelector = '#noi-dung';
preSelector = '.page-prev:not(.invisible)';
nextSelector = '.page-next:not(.invisible)';
GM.addStyle(`
.page-menu{position:relative!important}
#backtotop,.qc-chuong-top,#thongbao,#chuong-footer,#liked-list,#like-note,.qc-chuong,#thaoluan,#noi-dung~.chuong-nav{display:none!important}
`);
break;
case 'vlognovel.com':
chapSelector = '#showContent';
preSelector = '.prevchap';
nextSelector = '.nextchap';
break;
default:
console.log('NovelHelper: Unknown host');
}
const chapter = document.querySelector(chapSelector);
chapter.scrollIntoView();
const navChap = (btnSelector) => {
const button = document.querySelector(btnSelector);
if (button === null) return;
button.click();
};
k('left', () => {
if (typeof preSelector === 'string') {
navChap(preSelector);
} else {
preSelector();
}
});
k('right', () => {
if (typeof nextSelector === 'string') {
navChap(nextSelector);
} else {
nextSelector();
}
});
const contentLineHeight = () => parseFloat(getComputedStyle(chapter).lineHeight);
k('up', () => {
document.documentElement.scrollTop -= window.innerHeight - contentLineHeight() * 2;
});
let endChapter = false;
k('down', () => {
if (endChapter) {
k.trigger('right');
return;
}
document.documentElement.scrollTop += window.innerHeight - contentLineHeight() * 2;
const chapterRect = chapter.getBoundingClientRect();
if (
chapterRect.top + chapterRect.height - window.innerHeight + contentLineHeight() * 2 < 0 ||
document.documentElement.scrollTop + window.innerHeight === document.documentElement.scrollHeight
) {
endChapter = true;
}
});
document.addEventListener(
'touchstart',
(e) => {
if (e.changedTouches[0].clientX < (window.innerWidth / 100) * 40) {
k.trigger('up');
} else {
k.trigger('down');
}
},
true,
);