Add better video controls to Instagram videos
当前为
// ==UserScript==
// @name Instagram Video Controls
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Add better video controls to Instagram videos
// @match https://www.instagram.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const createControls = (videoElement) => {
// Main container
const container = document.createElement('div');
container.style.cssText = `
width: 100%;
height: 48px;
background: rgba(0,0,0,0.8);
display: flex;
flex-direction: column;
z-index: 9999999;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
position: relative;
pointer-events: all !important;
`;
// Timeline container
const timelineContainer = document.createElement('div');
timelineContainer.style.cssText = `
width: 100%;
height: 20px;
position: relative;
cursor: pointer;
padding: 8px 0;
z-index: 9999999;
pointer-events: all !important;
`;
// Timeline bar
const timeline = document.createElement('div');
timeline.style.cssText = `
width: 100%;
height: 3px;
background: rgba(255,255,255,0.2);
position: relative;
transition: height 0.1s;
z-index: 9999999;
`;
// Progress bar
const progress = document.createElement('div');
progress.style.cssText = `
height: 100%;
background: #0095f6;
width: 0%;
position: absolute;
top: 0;
left: 0;
z-index: 9999999;
`;
// Seek handle
const seekHandle = document.createElement('div');
seekHandle.style.cssText = `
width: 12px;
height: 12px;
background: #0095f6;
border-radius: 50%;
position: absolute;
right: -6px;
top: 50%;
transform: translateY(-50%) scale(0);
transition: transform 0.1s;
z-index: 10000000;
`;
progress.appendChild(seekHandle);
// Time tooltip
const timeTooltip = document.createElement('div');
timeTooltip.style.cssText = `
position: absolute;
background: rgba(0,0,0,0.8);
color: white;
padding: 4px 8px;
border-radius: 4px;
font-size: 12px;
bottom: 100%;
transform: translateX(-50%);
display: none;
z-index: 10000000;
pointer-events: none;
white-space: nowrap;
margin-bottom: 8px;
`;
// Controls row
const controlsRow = document.createElement('div');
controlsRow.style.cssText = `
display: flex;
align-items: center;
padding: 0 12px;
height: 28px;
position: relative;
z-index: 9999999;
pointer-events: all !important;
`;
// Play button
const playButton = document.createElement('button');
playButton.innerHTML = '⏵️';
playButton.style.cssText = `
background: none;
border: none;
color: white;
font-size: 24px;
cursor: pointer;
padding: 0;
margin-right: 12px;
position: relative;
z-index: 10000000;
pointer-events: all !important;
display: flex;
align-items: center;
justify-content: center;
width: 32px;
height: 32px;
`;
// Time display
const timeDisplay = document.createElement('span');
timeDisplay.style.cssText = `
color: white;
font-size: 13px;
margin-right: 12px;
font-family: monospace;
position: relative;
z-index: 10000000;
`;
// Volume control
const volumeControl = document.createElement('div');
volumeControl.style.cssText = `
display: flex;
align-items: center;
position: relative;
z-index: 10000000;
pointer-events: all !important;
`;
const volumeButton = document.createElement('button');
volumeButton.innerHTML = '🔊';
volumeButton.style.cssText = `
background: none;
border: none;
color: white;
font-size: 20px;
cursor: pointer;
padding: 0;
margin-right: 8px;
position: relative;
z-index: 10000000;
pointer-events: all !important;
width: 32px;
height: 32px;
display: flex;
align-items: center;
justify-content: center;
`;
// Assemble the controls
timeline.appendChild(progress);
timelineContainer.appendChild(timeline);
timelineContainer.appendChild(timeTooltip);
controlsRow.appendChild(playButton);
controlsRow.appendChild(timeDisplay);
controlsRow.appendChild(volumeButton);
container.appendChild(timelineContainer);
container.appendChild(controlsRow);
// Helper function for time formatting
const formatTime = (seconds) => {
const mins = Math.floor(seconds / 60);
const secs = Math.floor(seconds % 60);
return `${mins}:${secs.toString().padStart(2, '0')}`;
};
// Track dragging state
let isDragging = false;
// Show timeline preview on hover
timelineContainer.addEventListener('mousemove', (e) => {
const rect = timeline.getBoundingClientRect();
const pos = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
if (!isDragging) {
timeTooltip.style.display = 'block';
timeTooltip.style.left = `${pos * 100}%`;
const previewTime = videoElement.duration * pos;
timeTooltip.textContent = formatTime(previewTime);
}
});
// Handle dragging
const handleDrag = (e) => {
if (!isDragging) return;
const rect = timeline.getBoundingClientRect();
const pos = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
const newTime = videoElement.duration * pos;
progress.style.width = `${pos * 100}%`;
timeTooltip.style.left = `${pos * 100}%`;
timeTooltip.textContent = formatTime(newTime);
videoElement.currentTime = newTime;
};
// Start dragging
timelineContainer.addEventListener('mousedown', (e) => {
e.stopPropagation();
isDragging = true;
timeline.style.height = '5px';
seekHandle.style.transform = 'translateY(-50%) scale(1)';
handleDrag(e);
// Add document-level event listeners
document.addEventListener('mousemove', handleDrag);
document.addEventListener('mouseup', () => {
isDragging = false;
timeline.style.height = '3px';
seekHandle.style.transform = 'translateY(-50%) scale(0)';
document.removeEventListener('mousemove', handleDrag);
}, { once: true });
});
// Hide preview when leaving timeline
timelineContainer.addEventListener('mouseleave', () => {
if (!isDragging) {
timeTooltip.style.display = 'none';
timeline.style.height = '3px';
seekHandle.style.transform = 'translateY(-50%) scale(0)';
}
});
timelineContainer.addEventListener('mouseenter', () => {
if (!isDragging) {
timeline.style.height = '5px';
seekHandle.style.transform = 'translateY(-50%) scale(1)';
}
});
// Play/Pause handler
playButton.addEventListener('click', (e) => {
e.stopPropagation();
if (videoElement.paused) {
videoElement.play();
playButton.innerHTML = '⏸️';
} else {
videoElement.pause();
playButton.innerHTML = '⏵️';
}
});
// Volume handler
volumeButton.addEventListener('click', (e) => {
e.stopPropagation();
videoElement.muted = !videoElement.muted;
volumeButton.innerHTML = videoElement.muted ? '🔇' : '🔊';
});
// Update progress
const updateProgress = () => {
if (!isDragging) {
const progress_value = (videoElement.currentTime / videoElement.duration) * 100;
progress.style.width = `${progress_value}%`;
timeDisplay.textContent = `${formatTime(videoElement.currentTime)} / ${formatTime(videoElement.duration)}`;
}
};
videoElement.addEventListener('timeupdate', updateProgress);
videoElement.addEventListener('loadedmetadata', updateProgress);
videoElement.addEventListener('play', () => playButton.innerHTML = '⏸️');
videoElement.addEventListener('pause', () => playButton.innerHTML = '⏵️');
return container;
};
const addControlsToVideo = (videoElement) => {
if (videoElement.dataset.customControls) return;
videoElement.dataset.customControls = 'true';
const videoContainer = videoElement.closest('div[class*="x5yr21d"][class*="x1uhb9sk"]');
if (!videoContainer) return;
const controlsWrapper = document.createElement('div');
controlsWrapper.style.cssText = `
width: 100%;
position: relative;
z-index: 9999999;
pointer-events: all !important;
`;
const controls = createControls(videoElement);
controlsWrapper.appendChild(controls);
videoContainer.parentElement.insertBefore(controlsWrapper, videoContainer);
videoContainer.style.position = 'relative';
videoContainer.style.zIndex = '1';
};
// Observer to watch for new videos
const observer = new MutationObserver((mutations) => {
for (const mutation of mutations) {
for (const node of mutation.addedNodes) {
if (node.nodeName === 'VIDEO') {
addControlsToVideo(node);
} else if (node.querySelectorAll) {
const videos = node.querySelectorAll('video');
videos.forEach(addControlsToVideo);
}
}
}
});
// Start observing
observer.observe(document.body, {
childList: true,
subtree: true
});
// Process existing videos
document.querySelectorAll('video').forEach(addControlsToVideo);
})();
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