Chapter Changer + Smooth Scrolling

For Mangakakalot & Manganelo & ReaperScans

目前為 2021-01-15 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Chapter Changer + Smooth Scrolling
// @description  For Mangakakalot & Manganelo & ReaperScans
// @version      0.81
// @namespace    https://greasyfork.org/en/users/55535-sllypper
// @author       sllypper
// @match        https://mangakakalot.com/chapter/*
// @match        https://manganelo.com/chapter/*
// @match        https://reaperscans.com/comics/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Smooth Scrolling Settings

    // how much it scrolls every tick (in pixels)
    let scrollAmount = 64;

    // how long between ticks (in ms)
    // 16.666667 = 60 frames per second
    let scrollPeriod = 33.33;

    // how much holding Shift will multiply the scrollAmount
    let shiftSpeedMod = 2.0;

    //

    let implementations = [
        {
            name: 'mangakakalot',
            match: '^https?://mangakakalot.com/chapter/*',
            nextchap: function(prev) {
                let nextButtonSel = '.btn-navigation-chap > .back';
                let prevButtonSel = '.btn-navigation-chap > .next';

                if (!prev) return document.querySelector(nextButtonSel);
                return document.querySelector(prevButtonSel);
            },
            prevchap: function() {
                return this.nextchap(true);
            }
        },
        {
            name: 'manganelo',
            match: '^https?://manganelo.com/chapter/*',
            nextchap: function(prev) {
                let nextButtonSel = '.navi-change-chapter-btn-next';
                let prevButtonSel = '.navi-change-chapter-btn-prev';

                if (!prev) return document.querySelector(nextButtonSel);
                return document.querySelector(prevButtonSel);
            },
            prevchap: function() {
                return this.nextchap(true);
            }
        },
        {
            name: 'reaperscans',
            match: '^https?://reaperscans.com/comics/*',
            nextchap: function(prev) {
                let buttons = document.querySelector('div.d-flex:nth-child(4)');

                if (!prev) return buttons.querySelector('div:nth-child(3) > a');
                return buttons.querySelector('div:nth-child(1) > a');
            },
            prevchap: function() {
                return this.nextchap(true);
            }
        }
    ];


    let clickEl = el => {
        if (!el) return;
        el.click();
    }

    let loadHotkeys = imp => {
        window.addEventListener('keydown', event => {
            switch(event.code) {
                case 'KeyC':
                    clickEl(imp.nextchap());
                    break;
                case 'KeyZ':
                    clickEl(imp.prevchap());
                    break;
            }
        });
    }

    let pageUrl = window.location.href;

    implementations.some(function(imp) {
        if (imp.match && (new RegExp(imp.match, 'i')).test(pageUrl)) {
            loadHotkeys(imp);
            return true;
        }
    });

    // Scroller

    const states = {
        NONE: 0,
        UP: 1,
        SHIFTUP: 2,
        DOWN: 3,
        SHIFTDOWN: 4
    }
    let scrollState = states.NONE;
    let currScrollAction = null;
/*
    let buttonsContainer = document.getElementsByClassName('navi-change-chapter-btn');
    if (buttonsContainer.length === 0) {
        buttonsContainer = document.getElementsByClassName('btn-navigation-chap');
        if (buttonsContainer.length === 0) { console.log('Chapter Changer + Smooth Scrolling ERROR: No Navigation Buttons found'); return; }
    }

    let buttons = buttonsContainer[0].childNodes;

    let prevButton = buttons[0];
    let nextButton = buttons[buttons.length-1];

    // if there's only one button
    if (buttons.length != 2) {
        // check if it's the next button
        // mangakakalot has "back" and "next" button classes are switched around
        if (buttons[0].classList.contains("back") || buttons[0].classList.contains("navi-change-chapter-btn-next")) {
            // then we're in chapter 1 and there's no prev button
            prevButton = null;
        } else {
            // else we're in the last chapter and there's no next button
            nextButton = null;
        }
    } */

    document.addEventListener("keydown", event => {
        if (event.code === "KeyW" || event.code === "KeyK") {
            if (scrollState !== states.UP && !event.shiftKey) {
                clearScrollAction();
                scrollState = states.UP;
                scrollAction(-scrollAmount);
            } else if (scrollState !== states.SHIFTUP && event.shiftKey) {
                clearScrollAction();
                scrollState = states.SHIFTUP;
                scrollAction(-scrollAmount*shiftSpeedMod);
            }
        } else if (event.code === "KeyS" || event.code === "KeyJ") {
            if (scrollState !== states.DOWN && !event.shiftKey) {
                clearScrollAction();
                scrollState = states.DOWN;
                scrollAction(scrollAmount);
            } else if (scrollState !== states.SHIFTDOWN && event.shiftKey) {
                clearScrollAction();
                scrollState = states.SHIFTDOWN;
                scrollAction(scrollAmount*shiftSpeedMod);
            }
/*         } else if (event.code === "KeyC" && nextButton != null) {
            nextButton.click();
        } else if (event.code === "KeyZ" && prevButton != null) {
            prevButton.click(); */
        }
    });

    document.addEventListener("keyup", event => {
        if (event.code === "KeyW" || event.code === "KeyK") {
            clearScrollAction();
        } else if (event.code === "KeyS" || event.code === "KeyJ") {
            clearScrollAction();
        } else if (event.key === "Shift") {
            clearScrollAction();
        }
    });

    function scrollAction(amount) {
        currScrollAction = setInterval(() => {
            window.scrollBy(0, amount);
        }, scrollPeriod)
    }

    function clearScrollAction() {
        clearInterval(currScrollAction);
        currScrollAction = null;
        scrollState = states.NONE;
    }

})();