Adds auto-scrolling functionality to any website
当前为
// ==UserScript==
// @name Universal Auto-Scroll
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Adds auto-scrolling functionality to any website
// @author You
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @run-at document-idle
// ==/UserScript==
(function() {
'use strict';
// Wait a bit for page to be fully ready
setTimeout(initAutoScroll, 1000);
function initAutoScroll() {
// Configuration
const DEFAULT_SETTINGS = {
isActive: false,
speed: 3,
isMinimized: false,
pixelsPerSecond: 50 // Base scrolling speed - will be modified by speed setting
};
// State variables
let isScrolling = false;
let scrollIntervalId = null;
let userScrollDetected = false;
let userScrollTimeout = null;
let lastScrollPosition = window.scrollY;
// Load saved settings or use defaults - Using Tampermonkey's built-in storage
let scrollSettings;
try {
scrollSettings = JSON.parse(GM_getValue('autoScrollSettings', JSON.stringify(DEFAULT_SETTINGS)));
} catch (e) {
console.log('Could not load settings, using defaults');
scrollSettings = DEFAULT_SETTINGS;
}
// DOM elements references
let autoScrollPanel;
let bubbleView;
let toggleButton;
let speedSlider;
let speedValue;
// Create and inject the UI
function createUI() {
// Create a container for our elements with a unique ID
const containerId = 'auto-scroll-container-' + Math.random().toString(36).substr(2, 9);
const container = document.createElement('div');
container.id = containerId;
document.body.appendChild(container);
// Add isolated styles to avoid conflicts with page CSS
const styleElement = document.createElement('style');
styleElement.textContent = `
#${containerId} {
all: initial;
font-family: Arial, sans-serif;
color: white;
font-size: 14px;
}
#${containerId} * {
all: unset;
box-sizing: border-box;
}
#${containerId} .auto-scroll-panel {
position: fixed;
bottom: 80px;
right: 20px;
background-color: rgba(0, 0, 0, 0.8);
color: white;
padding: 15px;
border-radius: 8px;
width: 220px;
z-index: 9999999;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
font-family: Arial, sans-serif;
display: ${scrollSettings.isMinimized ? 'none' : 'block'};
}
#${containerId} .panel-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
border-bottom: 1px solid rgba(255, 255, 255, 0.2);
padding-bottom: 8px;
}
#${containerId} .panel-title {
font-weight: bold;
font-size: 16px;
display: block;
}
#${containerId} .minimize-button {
background: none;
border: none;
color: white;
cursor: pointer;
font-size: 20px;
padding: 0;
margin: 0;
display: block;
}
#${containerId} .section {
margin-bottom: 12px;
}
#${containerId} .section-title {
font-size: 14px;
color: #ffcc00;
margin-bottom: 8px;
display: block;
}
#${containerId} .toggle-button {
background-color: #2196F3;
border: none;
color: white;
padding: 10px 15px;
text-align: center;
text-decoration: none;
font-size: 14px;
border-radius: 6px;
width: 100%;
cursor: pointer;
display: flex;
justify-content: center;
align-items: center;
gap: 8px;
margin-bottom: 10px;
}
#${containerId} .toggle-button.active {
background-color: #4CAF50;
}
#${containerId} .slider-container {
width: 100%;
display: flex;
flex-direction: column;
gap: 8px;
}
#${containerId} .slider-top {
display: flex;
justify-content: space-between;
width: 100%;
}
#${containerId} .speed-value {
font-weight: bold;
}
#${containerId} .speed-slider {
width: 100%;
height: 5px;
-webkit-appearance: none;
appearance: none;
background: #444;
outline: none;
border-radius: 3px;
display: block;
}
#${containerId} .speed-slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 15px;
height: 15px;
border-radius: 50%;
background: #ffcc00;
cursor: pointer;
}
#${containerId} .speed-slider::-moz-range-thumb {
width: 15px;
height: 15px;
border-radius: 50%;
background: #ffcc00;
cursor: pointer;
}
#${containerId} .slider-labels {
display: flex;
justify-content: space-between;
width: 100%;
}
#${containerId} .auto-scroll-bubble {
position: fixed;
bottom: 80px;
right: 20px;
width: 60px;
height: 60px;
border-radius: 50%;
background-color: rgba(0, 0, 0, 0.8);
display: ${scrollSettings.isMinimized ? 'flex' : 'none'};
flex-direction: column;
justify-content: center;
align-items: center;
cursor: pointer;
z-index: 9999999;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
font-size: 24px;
}
`;
document.head.appendChild(styleElement);
// Create the main panel
autoScrollPanel = document.createElement('div');
autoScrollPanel.className = 'auto-scroll-panel';
container.appendChild(autoScrollPanel);
// Create panel header with title and minimize button
const panelHeader = document.createElement('div');
panelHeader.className = 'panel-header';
const panelTitle = document.createElement('div');
panelTitle.className = 'panel-title';
panelTitle.textContent = 'Auto-Scroll Controls';
const minimizeButton = document.createElement('button');
minimizeButton.className = 'minimize-button';
minimizeButton.textContent = '−';
minimizeButton.addEventListener('click', toggleMinimize);
panelHeader.appendChild(panelTitle);
panelHeader.appendChild(minimizeButton);
autoScrollPanel.appendChild(panelHeader);
// Create scrolling status section
const statusSection = document.createElement('div');
statusSection.className = 'section';
const statusTitle = document.createElement('div');
statusTitle.className = 'section-title';
statusTitle.textContent = 'Scrolling Status';
toggleButton = document.createElement('button');
toggleButton.className = 'toggle-button' + (scrollSettings.isActive ? ' active' : '');
toggleButton.innerHTML = scrollSettings.isActive ?
'<span>⏸️</span> Pause Scrolling' :
'<span>▶️</span> Start Scrolling';
toggleButton.addEventListener('click', toggleScrolling);
statusSection.appendChild(statusTitle);
statusSection.appendChild(toggleButton);
autoScrollPanel.appendChild(statusSection);
// Create speed control section
const speedSection = document.createElement('div');
speedSection.className = 'section';
const speedTitle = document.createElement('div');
speedTitle.className = 'section-title';
speedTitle.textContent = 'Scroll Speed';
const sliderContainer = document.createElement('div');
sliderContainer.className = 'slider-container';
const sliderTop = document.createElement('div');
sliderTop.className = 'slider-top';
const speedLabel = document.createElement('span');
speedLabel.textContent = 'Speed:';
speedValue = document.createElement('span');
speedValue.className = 'speed-value';
updateSpeedDisplay(scrollSettings.speed);
sliderTop.appendChild(speedLabel);
sliderTop.appendChild(speedValue);
speedSlider = document.createElement('input');
speedSlider.type = 'range';
speedSlider.className = 'speed-slider';
speedSlider.min = '1';
speedSlider.max = '5';
speedSlider.value = scrollSettings.speed;
speedSlider.addEventListener('input', handleSpeedChange);
const sliderLabels = document.createElement('div');
sliderLabels.className = 'slider-labels';
const slowLabel = document.createElement('span');
slowLabel.textContent = 'Slow';
const fastLabel = document.createElement('span');
fastLabel.textContent = 'Fast';
sliderLabels.appendChild(slowLabel);
sliderLabels.appendChild(fastLabel);
sliderContainer.appendChild(sliderTop);
sliderContainer.appendChild(speedSlider);
sliderContainer.appendChild(sliderLabels);
speedSection.appendChild(speedTitle);
speedSection.appendChild(sliderContainer);
autoScrollPanel.appendChild(speedSection);
// Create bubble view (minimized version)
bubbleView = document.createElement('div');
bubbleView.className = 'auto-scroll-bubble';
bubbleView.innerHTML = '📜';
bubbleView.addEventListener('click', toggleMinimize);
container.appendChild(bubbleView);
// Start scrolling if it was active before
if (scrollSettings.isActive) {
startScrolling();
}
}
// Toggle between expanded panel and minimized bubble
function toggleMinimize() {
scrollSettings.isMinimized = !scrollSettings.isMinimized;
if (scrollSettings.isMinimized) {
autoScrollPanel.style.display = 'none';
bubbleView.style.display = 'flex';
} else {
autoScrollPanel.style.display = 'block';
bubbleView.style.display = 'none';
}
saveSettings();
}
// Toggle scrolling on/off
function toggleScrolling() {
scrollSettings.isActive = !scrollSettings.isActive;
if (scrollSettings.isActive) {
// Start scrolling
toggleButton.classList.add('active');
toggleButton.innerHTML = '<span>⏸️</span> Pause Scrolling';
startScrolling();
} else {
// Pause scrolling
toggleButton.classList.remove('active');
toggleButton.innerHTML = '<span>▶️</span> Start Scrolling';
stopScrolling();
}
saveSettings();
}
// Handle speed slider changes
function handleSpeedChange() {
const value = parseInt(speedSlider.value);
scrollSettings.speed = value;
updateSpeedDisplay(value);
// If currently scrolling, update the scroll speed
if (isScrolling) {
stopScrolling();
startScrolling();
}
saveSettings();
}
// Update speed display text
function updateSpeedDisplay(value) {
let speedText;
if (value === 1) speedText = "Very Slow";
else if (value === 2) speedText = "Slow";
else if (value === 3) speedText = "Medium";
else if (value === 4) speedText = "Fast";
else speedText = "Very Fast";
speedValue.textContent = `${speedText} (${value})`;
}
// Start auto-scrolling
function startScrolling() {
if (isScrolling) return;
isScrolling = true;
lastScrollPosition = window.scrollY;
// Calculate scroll speed based on setting (1-5)
// The base speed (pixelsPerSecond) is multiplied by a factor based on the speed setting
const speedFactors = [0.5, 0.75, 1, 1.5, 2.5]; // Factors for speeds 1-5
const pixelsPerSecond = DEFAULT_SETTINGS.pixelsPerSecond * speedFactors[scrollSettings.speed - 1];
// Convert pixels per second to interval delay in milliseconds
// We'll scroll 1px at a time for smoothness
const scrollDelay = Math.floor(1000 / pixelsPerSecond);
// Start scroll interval
scrollIntervalId = setInterval(function() {
// Only scroll if user isn't manually scrolling
if (!userScrollDetected) {
window.scrollBy(0, 1);
}
}, scrollDelay);
}
// Stop auto-scrolling
function stopScrolling() {
if (!isScrolling) return;
isScrolling = false;
if (scrollIntervalId !== null) {
clearInterval(scrollIntervalId);
scrollIntervalId = null;
}
}
// Save settings using Tampermonkey's storage
function saveSettings() {
try {
GM_setValue('autoScrollSettings', JSON.stringify(scrollSettings));
} catch (e) {
console.error('Failed to save settings:', e);
}
}
// Handle user manual scrolling
function handleUserScroll() {
const currentPosition = window.scrollY;
// If position changed significantly (more than what our auto-scroll would do)
// and we're currently auto-scrolling, pause temporarily
if (isScrolling && Math.abs(currentPosition - lastScrollPosition) > 3) {
userScrollDetected = true;
// Clear existing timeout if there is one
if (userScrollTimeout) {
clearTimeout(userScrollTimeout);
}
// Set timeout to resume auto-scrolling after user stops scrolling
userScrollTimeout = setTimeout(function() {
userScrollDetected = false;
lastScrollPosition = window.scrollY;
}, 5000); // 5-second delay before resuming
}
lastScrollPosition = currentPosition;
}
// Only create UI if we're on a page with scrollable content
if (document.body && document.body.scrollHeight > window.innerHeight) {
createUI();
// Add scroll event listener to detect manual user scrolling
window.addEventListener('scroll', handleUserScroll, { passive: true });
// Clean up when page is unloaded
window.addEventListener('beforeunload', function() {
if (scrollIntervalId !== null) {
clearInterval(scrollIntervalId);
}
});
}
}
})();
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