一个带有开关控制的自动滚屏助手，按 ESC 暂停/继续, 上/下方向键跳跃, <小于号键/>大于号键调速。左右方向键未设置，避免与翻页冲突
目前為
// ==UserScript==
// @name 自动滚屏助手
// @namespace http://tampermonkey.net/
// @version 1.2
// @description 一个带有开关控制的自动滚屏助手，按 ESC 暂停/继续, 上/下方向键跳跃, <小于号键/>大于号键调速。左右方向键未设置，避免与翻页冲突
// @author coccvo
// @match *://*/*
// @icon data:image/png;base64,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
// @license MIT
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_notification
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
// 滚动控制变量
let isEnabled = false;
let isScrolling = false;
let animationFrameId;
let lastTimestamp = 0;
let pixelsPerSecond = 70;
const speedAdjustAmount = 3;
const jumpIncrement = 200;
const maxPixelsPerSecond = 800;
const minPixelsPerSecond = 59;
const pressedKeys = new Set();
// 菜单命令ID
let enableCommandId, disableCommandId;
// 初始化菜单
function initMenu() {
// 注册"启用自动滚屏"命令
enableCommandId = GM_registerMenuCommand("▶ 启用自动滚屏", function() {
enableAutoScroll();
});
// 注册"禁用自动滚屏"命令（初始时禁用）
disableCommandId = GM_registerMenuCommand("⏸ 禁用自动滚屏", function() {
disableAutoScroll();
}, { autoClose: true });
// 初始状态禁用"禁用"命令
GM_unregisterMenuCommand(disableCommandId);
}
// 启用自动滚屏
function enableAutoScroll() {
if (isEnabled) return;
isEnabled = true;
initAutoScroll();
startRAFScroll();
// 更新菜单状态
GM_unregisterMenuCommand(enableCommandId);
disableCommandId = GM_registerMenuCommand("⏸ 禁用自动滚屏", function() {
disableAutoScroll();
}, { autoClose: true });
GM_notification({
text: "自动滚屏已启用\n按ESC控制暂停/继续 按INS启用/禁用\n方向键跳跃\n<键/>键调速",
title: "自动滚屏助手",
timeout: 2000
});
}
// 禁用自动滚屏
function disableAutoScroll() {
if (!isEnabled) return;
isEnabled = false;
turnOff();
removeEventListeners();
// 更新菜单状态
GM_unregisterMenuCommand(disableCommandId);
enableCommandId = GM_registerMenuCommand("▶ 启用自动滚屏", function() {
enableAutoScroll();
});
GM_notification({
text: "自动滚屏已禁用",
title: "自动滚屏助手",
timeout: 1000
});
}
// 滚动逻辑
function scrollStepRAF(timestamp) {
if (!isScrolling || !isEnabled) return;
if (lastTimestamp === 0) {
lastTimestamp = timestamp;
animationFrameId = requestAnimationFrame(scrollStepRAF);
return;
}
const deltaTime = (timestamp - lastTimestamp) / 1000;
lastTimestamp = timestamp;
const scrollAmount = pixelsPerSecond * deltaTime;
window.scrollBy(0, scrollAmount);
animationFrameId = requestAnimationFrame(scrollStepRAF);
}
function startRAFScroll() {
if ((isScrolling && animationFrameId) || !isEnabled) return;
isScrolling = true;
lastTimestamp = 0;
animationFrameId = requestAnimationFrame(scrollStepRAF);
}
function turnOff() {
if (!isScrolling) return;
isScrolling = false;
if (animationFrameId) {
cancelAnimationFrame(animationFrameId);
animationFrameId = null;
}
}
// 获取滚动状态函数
function getIsScrollingState() {
return isScrolling;
}
// 快捷键逻辑
function handleKeyDown(event) {
const targetElement = event.target;
const isInInputElement =
targetElement.tagName === 'INPUT' ||
targetElement.tagName === 'TEXTAREA' ||
targetElement.tagName === 'SELECT' ||
targetElement.isContentEditable;
// 在输入元素中，只允许ESC和Insert键
if (isInInputElement && event.key !== 'Escape' && event.key !== 'Insert') {
return;
}
pressedKeys.add(event.key);
let handled = false;
// 以下功能仅在启用状态下生效
if (isEnabled) {
// ESC键：控制暂停/继续
if (pressedKeys.has('Escape')) {
if (isScrolling) {
turnOff();
console.log("自动滚屏: 已暂停 (ESC)");
} else {
startRAFScroll();
console.log("自动滚屏: 已启动 (ESC)");
}
handled = true;
}
// 方向键：跳跃滚动
if (pressedKeys.has('ArrowUp')) {
window.scrollBy(0, -jumpIncrement);
handled = true;
}
if (pressedKeys.has('ArrowDown')) {
window.scrollBy(0, jumpIncrement);
handled = true;
}
// 调速键：, 减速 / . 加速
if (pressedKeys.has('.')) {
pixelsPerSecond += speedAdjustAmount;
if (pixelsPerSecond > maxPixelsPerSecond) pixelsPerSecond = maxPixelsPerSecond;
console.log("自动滚屏: 速度", pixelsPerSecond, "px/s");
handled = true;
}
if (pressedKeys.has(',')) {
pixelsPerSecond -= speedAdjustAmount;
if (pixelsPerSecond < minPixelsPerSecond) pixelsPerSecond = minPixelsPerSecond;
console.log("自动滚屏: 速度", pixelsPerSecond, "px/s");
handled = true;
}
}
if (handled) {
event.preventDefault();
}
}
function handleKeyUp(event) {
pressedKeys.delete(event.key);
}
function initAutoScroll() {
window.addEventListener('keydown', handleKeyDown);
window.addEventListener('keyup', handleKeyUp, false);
}
function removeEventListeners() {
window.removeEventListener('keydown', handleKeyDown);
window.removeEventListener('keyup', handleKeyUp);
}
// 暴露对外接口
if (typeof window !== 'undefined') {
unsafeWindow.turnOffAutoScroll = turnOff; // 停止滚动
unsafeWindow.startAutoScroll = startRAFScroll; // 开始滚动
unsafeWindow.getAutoScrollState = getIsScrollingState; // 获取当前滚动状态
}
//INS键控制启用/禁用
window.addEventListener('keydown', function(event) {
if (event.key === 'Insert') {
if (isEnabled) {
disableAutoScroll();
} else {
enableAutoScroll();
}
event.preventDefault();
}
});
initMenu();
})();