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使用鼠标滚轮控制视频播放进度
当前为
// ==UserScript==
// @name 控制视频快进快退及倍速播放
// @namespace http://tampermonkey.net/
// @version 0.6
// @description 使用鼠标滚轮控制视频播放进度
// @author zwols
// @license MIT
// @match *://*/*
// @match *://*.youtube.com/*
// @match *://*.youku.com/*
// @grant none
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
const styles = {
base: `
position: fixed;
color: white;
z-index: 2147483647;
transition: all 0.3s ease;
`,
tip: `
left: 50%;
top: 20px;
transform: translateX(-50%);
background: rgba(33, 150, 243, 0.9);
padding: 10px 20px;
border-radius: 4px;
font-size: 14px;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
opacity: 0;
text-align: center;
`,
guide: `
position: absolute;
left: 20px;
top: 50%;
transform: translateY(-50%);
background: rgba(0, 0, 0, 0.8);
padding: 15px 20px;
border-radius: 8px;
font-size: 14px;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
opacity: 0;
border-left: 3px solid #2196F3;
line-height: 1.8;
pointer-events: none;
text-align: left;
`,
speedIndicator: `
position: absolute;
top: 60px;
right: 20px;
background: rgba(0, 0, 0, 0.7);
padding: 5px 10px;
border-radius: 4px;
font-size: 14px;
pointer-events: none;
opacity: 0;
`
};
const checkVideo = setInterval(() => {
const hostname = window.location.hostname;
const isMissav = hostname.includes('missav.com');
const isJable = hostname.includes('jable.tv');
const video = isMissav
? document.querySelector('.plyr--video video')
: isJable
? document.querySelector('#player-container video, #player_3 video, .plyr--video video')
: document.querySelector('.html5-main-video, video, .youku-player video');
if (video?.readyState >= 2) {
clearInterval(checkVideo);
initVideoControl(video);
}
}, 1000);
function initVideoControl(video) {
if (video.dataset.controlInitialized) return;
video.dataset.controlInitialized = 'true';
const hostname = window.location.hostname;
const isYouku = hostname.includes('youku.com');
const isMissav = hostname.includes('missav.com');
const isJable = hostname.includes('jable.tv');
const container = isMissav || isJable
? video.closest('.plyr--video') || video.closest('#player-container') || video.parentElement
: isYouku
? document.querySelector('.youku-player')
: video.closest('#movie_player') || video.parentElement;
if (!container) return;
const wheelHandler = e => {
e.preventDefault();
e.stopPropagation();
if (e.shiftKey) {
video.playbackRate = Math.min(4, Math.max(0.25,
video.playbackRate + (e.deltaY < 0 ? 0.25 : -0.25)
));
showSpeedIndicator(video, container);
} else {
video.currentTime = Math.min(video.duration, Math.max(0,
video.currentTime + (e.deltaY < 0 ? -5 : 5)
));
}
return false;
};
const elements = (isMissav || isJable) ? [container, video] : [isYouku ? container : video];
elements.forEach(el => {
el.removeEventListener('wheel', wheelHandler, { passive: false, capture: true });
el.addEventListener('wheel', wheelHandler, {
passive: false,
capture: true
});
});
addGuideBox(video);
showInitialTip();
}
function createElement(className, style) {
const element = document.createElement('div');
element.className = className;
element.style.cssText = styles.base + style;
return element;
}
function showSpeedIndicator(video, container) {
let indicator = container.querySelector('.speed-indicator');
if (!indicator) {
indicator = createElement('speed-indicator', styles.speedIndicator);
container.appendChild(indicator);
}
indicator.textContent = `${video.playbackRate.toFixed(2)}x`;
indicator.style.opacity = '1';
clearTimeout(indicator.fadeTimeout);
indicator.fadeTimeout = setTimeout(() => indicator.style.opacity = '0', 2000);
}
function addGuideBox(video) {
const container = video.closest('.plyr--video') || video.parentElement;
const guideBox = createElement('video-control-guide', styles.guide);
const updateGuide = () => {
guideBox.innerHTML = `
<div style="margin-bottom: 5px;">按住 Alt：显示此提示</div>
<div style="margin-bottom: 5px;">🖱️滚轮：快进/快退5秒</div>
<div style="margin-bottom: 5px;">⇧+滚轮：调整播放速度</div>
<div style="color: #2196F3;">当前: ${video.playbackRate.toFixed(2)}x</div>
`;
};
container.appendChild(guideBox);
video.addEventListener('ratechange', updateGuide);
updateGuide();
document.addEventListener('keydown', e => {
if (e.key === 'Alt') {
e.preventDefault();
guideBox.style.opacity = '1';
guideBox.style.transform = 'translateY(-50%)';
}
});
document.addEventListener('keyup', e => {
if (e.key === 'Alt') {
guideBox.style.opacity = '0';
guideBox.style.transform = 'translateY(-50%) translateX(-20px)';
}
});
}
function showInitialTip() {
const tip = createElement('initial-tip', styles.tip);
tip.innerHTML = '按住 Alt 键显示视频操作指引';
document.body.appendChild(tip);
setTimeout(() => tip.style.opacity = '1', 100);
setTimeout(() => {
tip.style.opacity = '0';
setTimeout(() => tip.remove(), 500);
}, 5000);
}
})();