Scroll in E-ink browsing

Inspired by Einkbro, imitate to optimize the page turning experience in a browser with js.

目前為 2023-07-24 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         Scroll in E-ink browsing
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Inspired by Einkbro, imitate to optimize the page turning experience in a browser with js.
// @match        *://*/*
// @grant        GM_registerMenuCommand
// @grant        GM_setValue
// @grant        GM_getValue
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // Default settings
    let scrollUpAmount = GM_getValue('scrollUpAmount', 1200);
    let scrollDownAmount = GM_getValue('scrollDownAmount', 1000);
    let boxSize = GM_getValue('boxSize', 50);
    let boxPosition = GM_getValue('boxPosition', 'bottomRight');

    // Register menu commands to allow the user to change the settings
    GM_registerMenuCommand('Set Scroll Up Amount', function() {
        let newScrollUpAmount = prompt('Enter the new scroll up amount in pixels:', scrollUpAmount);
        if (newScrollUpAmount !== null) {
            scrollUpAmount = parseInt(newScrollUpAmount);
            GM_setValue('scrollUpAmount', scrollUpAmount);
        }
    });

    GM_registerMenuCommand('Set Scroll Down Amount', function() {
        let newScrollDownAmount = prompt('Enter the new scroll down amount in pixels:', scrollDownAmount);
        if (newScrollDownAmount !== null) {
            scrollDownAmount = parseInt(newScrollDownAmount);
            GM_setValue('scrollDownAmount', scrollDownAmount);
        }
    });

    GM_registerMenuCommand('Set Box Size', function() {
        let newBoxSize = prompt('Enter the new box size in pixels:', boxSize);
        if (newBoxSize !== null) {
            boxSize = parseInt(newBoxSize);
            GM_setValue('boxSize', boxSize);

            // Update the size of the boxes on the page
            boxUp.style.width = boxSize + 'px';
            boxUp.style.height = boxSize + 'px';
            boxDown.style.width = boxSize + 'px';
            boxDown.style.height = boxSize + 'px';
        }
    });

    GM_registerMenuCommand('Set Box Position', function() {
        let newBoxPosition = prompt('Enter the new box position (bottomRight, bottomLeft, topLeft, topRight):', boxPosition);
        if (newBoxPosition !== null) {
            boxPosition = newBoxPosition;
            GM_setValue('boxPosition', boxPosition);

            // Update the position of the boxes on the page
            switch (boxPosition) {
                case 'bottomRight':
                    boxUp.style.bottom = (boxSize + 10) + 'px';
                    boxUp.style.right = '20px';

                    boxDown.style.bottom = '10px';
                    boxDown.style.right = '20px';
                    break;
                case 'bottomLeft':
                    boxUp.style.bottom = (boxSize + 10) + 'px';
                    boxUp.style.left = '20px';

                    boxDown.style.bottom = '10px';
                    boxDown.style.left = '20px';
                    break;
                case 'topLeft':
                    boxUp.style.top = (boxSize + 10) + 'px';
                    boxUp.style.left = '20px';

                    boxDown.style.top = '10px';
                    boxDown.style.left = '20px';
                    break;
                case 'topRight':
                    boxUp.style.top = (boxSize + 10) + 'px';
                    boxUp.style.right = '20px';

                    boxDown.style.top = '10px';
                    boxDown.style.right = '20px';
                    break;
                default:
                    break;
            }
        }
    });

    // Create the boxes
    let boxUp = document.createElement('div');
    let boxDown = document.createElement('div');

    // Style the boxes
    boxUp.style.width = boxSize + 'px';
    boxUp.style.height = boxSize + 'px';
    boxUp.style.border = '2px dashed #000';
    boxUp.style.position = 'fixed';
    boxUp.style.zIndex = '9999';
    boxUp.style.cursor = 'pointer';

    boxDown.style.width = boxSize + 'px';
    boxDown.style.height =	boxSize + 'px';
   	boxDown.style.border	=	'2px	dashed	#000';
   	boxDown.style.position	=	'fixed';
   	boxDown.style.zIndex	=	'9999';
   	boxDown.style.cursor	=	'pointer';

    // Set the position of the boxes based on the setting
    switch (boxPosition) {
        case 'bottomRight':
            boxUp.style.bottom = (boxSize + 10) + 'px';
            boxUp.style.right = '20px';

            boxDown.style.bottom = '10px';
            boxDown.style.right = '20px';
            break;
        case 'bottomLeft':
            boxUp.style.bottom = (boxSize + 10) + 'px';
            boxUp.style.left = '20px';

            boxDown.style.bottom = '10px';
            boxDown.style.left = '20px';
            break;
        case 'topLeft':
            boxUp.style.top = (boxSize + 10) + 'px';
            boxUp.style.left = '20px';

            boxDown.style.top = '10px';
            boxDown.style.left = '20px';
            break;
        case 'topRight':
            boxUp.style.top = (boxSize + 10) + 'px';
            boxUp.style.right = '20px';

            boxDown.style.top = '10px';
            boxDown.style.right = '20px';
            break;
        default:
            break;
    }

    // Add the boxes to the page
    document.body.appendChild(boxUp);
    document.body.appendChild(boxDown);

    // Add click event listeners to the boxes
    let longPressTimer;

    function handleLongPress() {
        window.scrollTo(0, 0);
        clearTimeout(longPressTimer);
        longPressTimer = null;
    }

    function handleLongPress2() {
        window.scrollTo(0, document.body.scrollHeight);
        clearTimeout(longPressTimer);
        longPressTimer = null;
    }

    function handleShortPress() {
        window.scrollBy(0, -scrollUpAmount);
        clearTimeout(longPressTimer);
        longPressTimer = null;
    }

    function handleShortPress2() {
        window.scrollBy(0, scrollDownAmount);
        clearTimeout(longPressTimer);
        longPressTimer = null;
    }

    function handleMouseDown(event) {
        if (event.button === 0) {
            longPressTimer = setTimeout(handleLongPress, 1500);
        }
    }

    function handleMouseDown2(event) {
        if (event.button === 0) {
            longPressTimer = setTimeout(handleLongPress2, 1500);
        }
    }

    function handleMouseUp(event) {
        if (event.button === 0 && longPressTimer !== null) {
            handleShortPress();
        }
    }
})();