Add a screenshot button to Twitter/X post menus
当前为
// ==UserScript==
// @name Twitter Screenshot Button
// @namespace http://tampermonkey.net/
// @version 0.5
// @description Add a screenshot button to Twitter/X post menus
// @author You
// @match https://twitter.com/*
// @match https://x.com/*
// @grant GM_addStyle
// @require https://cdnjs.cloudflare.com/ajax/libs/dom-to-image/2.6.0/dom-to-image.min.js
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Add only necessary button styles
GM_addStyle(`
.screenshot-button {
display: flex;
align-items: center;
flex-direction: row;
width: 100%;
padding: 12px 16px;
cursor: pointer;
font-size: 15px;
color: rgb(15, 20, 25);
transition-property: background-color, box-shadow;
transition-duration: 0.2s;
outline-style: none;
box-sizing: border-box;
min-height: 0px;
min-width: 0px;
border: 0 solid black;
background-color: rgba(0, 0, 0, 0);
margin: 0px;
}
.screenshot-button:hover {
background-color: rgba(15, 20, 25, 0.1);
}
.screenshot-icon {
margin-right: 0px; /* Keep margin 0, alignment handled by flex */
width: 18.75px;
height: 18.75px;
/* font-weight: bold; Removed as it doesn't apply well to SVG stroke */
vertical-align: text-bottom; /* Align icon better with text */
}
.screenshot-notification {
position: fixed;
top: 20px;
left: 50%;
transform: translateX(-50%);
background-color: #1DA1F2;
color: white;
padding: 10px 20px;
border-radius: 20px;
z-index: 9999;
box-shadow: 0 2px 10px rgba(0,0,0,0.2);
opacity: 1;
transition: opacity 0.5s ease-out;
}
.screenshot-notification.fade-out {
opacity: 0;
}
`);
function findTweetMainContent(menuButton) {
const article = menuButton.closest('article[role="article"]');
if (!article) return null;
return article;
}
function takeScreenshot(menuButton) {
const notification = document.createElement('div');
notification.className = 'screenshot-notification';
notification.innerHTML = 'Taking screenshot...';
document.body.appendChild(notification);
try {
const tweetContainer = findTweetMainContent(menuButton);
if (!tweetContainer) {
throw new Error('Could not find tweet content');
}
// Save original styles
const originalStyles = {
background: tweetContainer.style.background,
backgroundColor: tweetContainer.style.backgroundColor,
margin: tweetContainer.style.margin,
border: tweetContainer.style.border,
borderRadius: tweetContainer.style.borderRadius
};
// Optimize clarity settings
const scale = window.devicePixelRatio * 2;
const config = {
height: tweetContainer.offsetHeight * scale,
width: tweetContainer.offsetWidth * scale,
style: {
transform: `scale(${scale})`,
transformOrigin: 'top left',
width: `${tweetContainer.offsetWidth}px`,
height: `${tweetContainer.offsetHeight}px`
},
quality: 1.0
};
// Use dom-to-image for high-quality screenshot
domtoimage.toBlob(tweetContainer, config)
.then(function(blob) {
// Copy to clipboard
navigator.clipboard.write([
new ClipboardItem({
'image/png': blob
})
]).then(() => {
notification.innerHTML = `
<div>Screenshot copied to clipboard!</div>
<button class="download-btn" style="
background: white;
color: #1DA1F2;
border: none;
padding: 5px 10px;
border-radius: 15px;
margin-top: 5px;
cursor: pointer;
">Download</button>
`;
notification.style.backgroundColor = '#17BF63';
// Add download button functionality
const downloadBtn = notification.querySelector('.download-btn');
downloadBtn.addEventListener('click', () => {
const link = document.createElement('a');
link.download = `twitter-post-${Date.now()}.png`;
link.href = URL.createObjectURL(blob);
link.click();
URL.revokeObjectURL(link.href);
notification.remove();
});
// 设置3秒后渐隐消失
setTimeout(() => {
notification.classList.add('fade-out');
setTimeout(() => notification.remove(), 500);
}, 1500);
});
})
.catch(function(error) {
console.error('Screenshot failed:', error);
notification.textContent = 'Screenshot failed';
notification.style.backgroundColor = '#E0245E';
setTimeout(() => notification.remove(), 2000);
});
} catch (error) {
console.error('Error during screenshot:', error);
notification.textContent = 'Screenshot failed';
notification.style.backgroundColor = '#E0245E';
setTimeout(() => notification.remove(), 2000);
}
}
function createScreenshotIcon() {
const svgNS = "http://www.w3.org/2000/svg";
const svg = document.createElementNS(svgNS, "svg");
svg.setAttribute("xmlns", svgNS);
svg.setAttribute("viewBox", "0 0 24 24");
svg.setAttribute("width", "18.75");
svg.setAttribute("height", "18.75");
svg.setAttribute("fill", "none"); // Use fill=none for line icons
svg.setAttribute("stroke", "currentColor"); // Inherit color via stroke
svg.setAttribute("stroke-width", "2");
svg.setAttribute("stroke-linecap", "round");
svg.setAttribute("stroke-linejoin", "round");
svg.classList.add("screenshot-icon");
// Feather Icons: camera
const path = document.createElementNS(svgNS, "path");
path.setAttribute("d", "M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z");
const circle = document.createElementNS(svgNS, "circle");
circle.setAttribute("cx", "12");
circle.setAttribute("cy", "13");
circle.setAttribute("r", "4");
svg.appendChild(path);
svg.appendChild(circle);
return svg;
}
function addScreenshotButtonToMenu(menuButton) {
const menu = document.querySelector('[role="menu"]');
if (!menu || menu.querySelector('.screenshot-button')) return;
const screenshotButton = document.createElement('div');
screenshotButton.className = 'screenshot-button';
screenshotButton.setAttribute('role', 'menuitem');
screenshotButton.setAttribute('tabindex', '0');
screenshotButton.appendChild(createScreenshotIcon());
const text = document.createElement('span');
text.textContent = 'Screenshot';
text.style.marginLeft = '12px';
text.style.fontSize = '15px';
text.style.fontWeight = 'bold';
screenshotButton.appendChild(text);
screenshotButton.addEventListener('click', () => {
takeScreenshot(menuButton);
const closeButton = menu.querySelector('[aria-label="Close"]');
if (closeButton) closeButton.click();
});
menu.insertBefore(screenshotButton, menu.firstChild);
}
function addScreenshotButtons() {
const observer = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (mutation.addedNodes.length) {
mutation.addedNodes.forEach((node) => {
if (node.nodeType === 1) {
const menu = node.matches('[role="menu"]') ? node : node.querySelector('[role="menu"]');
if (menu) {
const menuButton = document.querySelector('[aria-haspopup="menu"][aria-expanded="true"]');
if (menuButton) {
addScreenshotButtonToMenu(menuButton);
}
}
}
});
}
});
});
observer.observe(document.body, {
childList: true,
subtree: true
});
}
addScreenshotButtons();
})();
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