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在百度网盘视频右侧添加倍速控制按钮（等待两个video元素出现）
// ==UserScript==
// @name 百度网盘视频倍速控制器
// @namespace http://tampermonkey.net/
// @version 1.2
// @description 在百度网盘视频右侧添加倍速控制按钮（等待两个video元素出现）
// @author Jociber
// @match https://pan.baidu.com/*
// @match http://pan.baidu.com/*
// @grant none
// @noframes 不让脚本在frame中运行
// ==/UserScript==
(function() {
'use strict';
let observer = null;
let controlCreated = false;
let currentVideo = null;
let currentSpeed = 1.0;
// 检查是否满足条件并创建控制器
function checkAndCreateControl() {
// 如果已经创建过控制器，则不再创建
if (controlCreated) return;
// 查找所有video元素
const videos = document.querySelectorAll('video');
// 等待至少有两个video元素
if (videos.length >= 2) {
// 选择第1个video元素（通常是主要的播放器）
const video = videos[0];
currentVideo = video;
createSpeedControl(video);
controlCreated = true;
// 停止观察
if (observer) {
observer.disconnect();
observer = null
}
}
}
// 初始化检查
function init() {
// 立即检查一次
checkAndCreateControl();
// 如果还没有满足条件，设置观察器
if (!controlCreated) {
observer = new MutationObserver(function(mutations) {
checkAndCreateControl();
});
// 观察整个文档的变化
observer.observe(document.body, {
childList: true,
subtree: true
});
// 设置超时，防止无限等待
setTimeout(() => {
if (!controlCreated && observer) {
observer.disconnect();
console.log('倍速控制器：等待超时，未找到足够的video元素');
}
}, 15000); // 15秒超时
}
}
function createSpeedControl(video) {
// 查找视频容器
const videoContainer = video.closest('.video-player-container') || video.parentElement;
if (!videoContainer) {
console.log('倍速控制器：未找到视频容器');
return;
}
// 检查是否已经存在控制器
if (videoContainer.querySelector('.speed-control-container')) {
return;
}
// 尝试从本地存储获取之前设置的倍速
const savedSpeed = localStorage.getItem('baidu_pan_speed');
if (savedSpeed) {
currentSpeed = parseFloat(savedSpeed);
video.playbackRate = currentSpeed;
}
// 创建主按钮容器
const speedControl = document.createElement('div');
speedControl.className = 'speed-control-container';
speedControl.style.cssText = `
position: absolute;
right: 20px;
top: -30px;
z-index: 1000;
`;
// 创建主按钮
const mainButton = document.createElement('button');
mainButton.innerHTML = `${currentSpeed}x`;
mainButton.style.cssText = `
background: rgba(0, 0, 0, 0.7);
color: white;
border: none;
padding: 8px 16px;
border-radius: 4px;
cursor: pointer;
font-size: 14px;
transition: background 0.3s;
`;
mainButton.addEventListener('mouseenter', function() {
this.style.background = 'rgba(0, 0, 0, 0.9)';
});
mainButton.addEventListener('mouseleave', function() {
this.style.background = 'rgba(0, 0, 0, 0.7)';
});
// 创建下拉菜单
const dropdown = document.createElement('div');
dropdown.style.cssText = `
position: absolute;
top: 100%;
right: 0;
background: rgba(0, 0, 0, 0.9);
border-radius: 4px;
padding: 8px 0;
min-width: 100px;
display: none;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
`;
// 倍速选项
const speeds = [0.5, 1.0, 1.5, 2.0];
speeds.forEach(speed => {
const speedButton = document.createElement('button');
speedButton.innerHTML = `${speed}x`;
speedButton.style.cssText = `
display: block;
width: 100%;
background: none;
border: none;
color: white;
padding: 8px 16px;
cursor: pointer;
text-align: left;
font-size: 14px;
transition: background 0.2s;
`;
// 高亮当前选中的倍速
if (speed === currentSpeed) {
speedButton.style.background = 'rgba(255, 255, 255, 0.2)';
speedButton.style.fontWeight = 'bold';
}
speedButton.addEventListener('mouseenter', function() {
this.style.background = 'rgba(255, 255, 255, 0.1)';
});
speedButton.addEventListener('mouseleave', function() {
if (speed === currentSpeed) {
this.style.background = 'rgba(255, 255, 255, 0.2)';
} else {
this.style.background = 'none';
}
});
speedButton.addEventListener('click', function() {
setPlaybackSpeed(speed, video, mainButton);
dropdown.style.display = 'none';
});
dropdown.appendChild(speedButton);
});
// 添加自定义倍速输入
const customContainer = document.createElement('div');
customContainer.style.cssText = `
padding: 8px 16px;
border-top: 1px solid rgba(255, 255, 255, 0.2);
margin-top: 8px;
`;
const customInput = document.createElement('input');
customInput.type = 'number';
customInput.placeholder = '自定义倍速';
customInput.min = '0.1';
customInput.max = '10';
customInput.step = '0.1';
customInput.style.cssText = `
width: 100%;
padding: 4px;
background: rgba(255, 255, 255, 0.1);
border: 1px solid rgba(255, 255, 255, 0.3);
border-radius: 2px;
color: white;
font-size: 12px;
box-sizing: border-box;
`;
const customButton = document.createElement('button');
customButton.innerHTML = '应用';
customButton.style.cssText = `
width: 100%;
margin-top: 4px;
padding: 4px;
background: #4CAF50;
border: none;
border-radius: 2px;
color: white;
cursor: pointer;
font-size: 12px;
`;
customButton.addEventListener('click', function() {
const customSpeed = parseFloat(customInput.value);
if (customSpeed && customSpeed > 0 && customSpeed <= 10) {
setPlaybackSpeed(customSpeed, video, mainButton);
dropdown.style.display = 'none';
customInput.value = '';
}
});
customContainer.appendChild(customInput);
customContainer.appendChild(customButton);
dropdown.appendChild(customContainer);
// 鼠标事件处理
mainButton.addEventListener('click', function() {
dropdown.style.display = dropdown.style.display === 'block' ? 'none' : 'block';
});
// 点击页面其他区域关闭下拉菜单
document.addEventListener('click', function(e) {
if (!speedControl.contains(e.target)) {
dropdown.style.display = 'none';
}
});
// 组装元素
speedControl.appendChild(mainButton);
speedControl.appendChild(dropdown);
// 确保视频容器有相对定位
if (getComputedStyle(videoContainer).position === 'static') {
videoContainer.style.position = 'relative';
}
videoContainer.appendChild(speedControl);
// 监听视频事件
setupVideoListeners(video, mainButton);
console.log('倍速控制器：创建成功');
}
// 设置播放速率并更新显示
function setPlaybackSpeed(speed, video, button) {
currentSpeed = speed;
video.playbackRate = speed;
button.innerHTML = `${speed}x`;
// 保存到本地存储
localStorage.setItem('baidu_pan_speed', speed.toString());
// 更新下拉菜单中的高亮状态
// updateSpeedButtonsHighlight(speed, button.parentElement);
}
// 更新下拉菜单中的高亮状态
function updateSpeedButtonsHighlight(speed, container) {
const buttons = container.querySelectorAll('button');
buttons.forEach(btn => {
const btnSpeed = parseFloat(btn.innerHTML.replace('x', ''));
if (!isNaN(btnSpeed)) {
if (btnSpeed === speed) {
btn.style.background = 'rgba(255, 255, 255, 0.2)';
btn.style.fontWeight = 'bold';
} else {
btn.style.background = 'none';
btn.style.fontWeight = 'normal';
}
}
});
}
// 设置视频事件监听器
function setupVideoListeners(video, button) {
// 监听播放事件，确保倍速设置不被重置
// video.addEventListener('play', function() {
// video.playbackRate = currentSpeed;
// });
// 监听速率变化事件（防止被其他脚本修改）
video.addEventListener('ratechange', function() {
if (video.playbackRate !== currentSpeed) {
// 如果速率被外部修改，更新我们的状态
video.playbackRate = currentSpeed;
// button.innerHTML = `${currentSpeed.toFixed(1)}x`;
}
});
// 监听页面可见性变化（标签页切换）
document.addEventListener('visibilitychange', function() {
if (!document.hidden && video.playbackRate !== currentSpeed) {
// 页面重新可见时，重新应用倍速
setTimeout(() => {
video.playbackRate = currentSpeed;
}, 100);
}
});
}
// 等待窗口完全加载完成
// if (document.readyState === 'loading') {
// window.addEventListener('load', init);
// } else {
// // 如果文档已经加载完成，直接执行
// if (document.readyState === 'complete') {
// init();
// } else {
// window.addEventListener('load', init);
// }
// }
init();
})();