Adds a smaller, draggable button to all web pages that opens Gemini with a prompt to summarize the current page.
// ==UserScript==
// @name Open current page in Gemini and summarize. with moveable Button v1.0
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Adds a smaller, draggable button to all web pages that opens Gemini with a prompt to summarize the current page.
// @author Gemini (Modified)
// @license MIT
// @match *://*/*
// @grant GM_addStyle
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_setClipboard
// @run-at document-idle
// ==/UserScript==
(function() {
'use strict';
console.log("Link to Gemini Button script (v2.4) is loading.");
if (typeof GM_info !== 'undefined') {
console.log("GM_info:", GM_info);
} else {
console.log("GM_info is not available. Script might not be running in a UserScript manager.");
}
const BUTTON_ID = 'gemini-button-draggable';
const POSITION_KEY_X = 'geminiButtonPosX';
const POSITION_KEY_Y = 'geminiButtonPosY';
// --- Styling for the button ---
GM_addStyle(`
#${BUTTON_ID} {
position: fixed;
background-color: #4285F4; /* Google Blue */
color: white;
border: none;
padding: 5px 10px; /* Smaller padding */
border-radius: 3px; /* Slightly less rounded */
cursor: grab; /* Indicate it's draggable */
z-index: 99999;
font-family: Arial, sans-serif;
font-size: 12px; /* Smaller font size */
font-weight: bold;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2); /* Smaller shadow */
transition: background-color 0.2s ease, box-shadow 0.2s ease;
min-width: unset; /* Ensure no conflicting min-width */
line-height: normal; /* Ensure text fits */
text-align: center;
}
#${BUTTON_ID}:hover {
background-color: #3367D6; /* Darker blue on hover */
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}
#${BUTTON_ID}.copied {
background-color: #28a745; /* Green when copied */
}
#${BUTTON_ID}.dragging {
cursor: grabbing;
box-shadow: 0 0 0 2px #DB4437; /* Red outline when dragging */
}
`);
// --- Function to create and add the button ---
async function addGeminiButton() {
console.log("Attempting to add Gemini button...");
// Prevent adding multiple buttons
if (document.getElementById(BUTTON_ID)) {
console.log("Gemini button already exists. Skipping re-creation.");
return;
}
const button = document.createElement('button');
button.id = BUTTON_ID;
button.className = 'gemini-button';
button.textContent = 'Open Gemini'; // More general text
// --- Load saved position ---
const savedX = await GM_getValue(POSITION_KEY_X, null);
const savedY = await GM_getValue(POSITION_KEY_Y, null);
if (savedX !== null && savedY !== null) {
button.style.left = savedX + 'px';
button.style.top = savedY + 'px';
button.style.right = 'unset'; // Clear right if left is set
button.style.bottom = 'unset'; // Clear bottom if top is set
} else {
// Default position if no saved position
button.style.right = '20px';
button.style.top = '100px';
}
// --- Draggable Logic ---
let isDragging = false;
let offsetX, offsetY;
let lastClickX, lastClickY; // To detect if a drag happened vs. a click
button.addEventListener('mousedown', (e) => {
isDragging = true;
button.classList.add('dragging');
offsetX = e.clientX - button.getBoundingClientRect().left;
offsetY = e.clientY - button.getBoundingClientRect().top;
lastClickX = e.clientX;
lastClickY = e.clientY;
button.style.userSelect = 'none'; // Prevent text selection during drag
e.preventDefault(); // Prevent default drag behavior (e.g., image drag)
});
document.addEventListener('mousemove', (e) => {
if (!isDragging) return;
// Clear right/bottom styles as we're setting left/top
button.style.right = 'unset';
button.style.bottom = 'unset';
button.style.left = (e.clientX - offsetX) + 'px';
button.style.top = (e.clientY - offsetY) + 'px';
});
document.addEventListener('mouseup', async (e) => {
if (!isDragging) return;
isDragging = false;
button.classList.remove('dragging');
button.style.userSelect = 'auto'; // Restore user-select
// Save new position
const finalX = button.getBoundingClientRect().left;
const finalY = button.getBoundingClientRect().top;
await GM_setValue(POSITION_KEY_X, finalX);
await GM_setValue(POSITION_KEY_Y, finalY);
console.log(`Saved button position: X=${finalX}, Y=${finalY}`);
// If a significant drag occurred, prevent the click event from firing
const dx = Math.abs(e.clientX - lastClickX);
const dy = Math.abs(e.clientY - lastClickY);
if (dx > 5 || dy > 5) {
console.log("Mouse up after drag, preventing click.");
e.stopImmediatePropagation(); // Prevent subsequent click event on the button
}
});
// --- Button Click Logic ---
button.addEventListener('click', async () => {
const currentUrl = window.location.href;
const textToCopy = `Summarize this page: ${currentUrl}`; // The prompt text
try {
// Use GM_setClipboard if available. We don't need a fallback since we are not displaying the "Copied!" message based on clipboard success anymore.
if (typeof GM_setClipboard === 'function') {
GM_setClipboard(textToCopy);
console.log("Prompt copied to clipboard using GM_setClipboard:", textToCopy);
}
// Open Gemini in a new tab with the desired URL structure
// ***************************************************************
// ** THIS IS THE MODIFIED LINE TO MATCH YOUR REQUESTED SYNTAX **
// ***************************************************************
const geminiUrl = `https://gemini.google.com/app/54299f6f7b8a6a75?q=${encodeURIComponent(textToCopy)}`;
window.open(geminiUrl, '_blank');
console.log("Opening Gemini tab:", geminiUrl);
// Flash a confirmation on the button
button.textContent = 'Opened!';
button.classList.add('copied'); // Using 'copied' class for green color
// Revert button text after a delay
setTimeout(() => {
button.textContent = 'Open Gemini';
button.classList.remove('copied');
}, 2000);
} catch (error) {
console.error('Failed to perform action:', error);
button.textContent = 'Error!';
button.style.backgroundColor = 'red';
setTimeout(() => {
button.textContent = 'Open Gemini';
button.style.backgroundColor = '#4285F4'; // Revert to Google Blue
}, 2000);
alert("Failed to open Gemini. Check browser console (F12) for details.");
}
});
// Append the button to the body
if (document.body) {
document.body.appendChild(button);
console.log("Gemini button successfully added to the page.");
} else {
console.error("Document body not found. Could not add Gemini button.");
// If body isn't ready yet, try again after a short delay
setTimeout(addGeminiButton, 100);
}
}
// Run the main logic after the window has fully loaded
window.addEventListener('load', addGeminiButton);
// Also run on DOMContentLoaded for faster injection on some pages
window.addEventListener('DOMContentLoaded', addGeminiButton);
})();
QingJ © 2025
镜像随时可能失效，请加Q群300939539或关注我们的公众号极客氢云获取最新地址