// ==UserScript==// @name         AI Image Description Generator Gimini// @namespace    http://tampermonkey.net/// @version      2.0// @description  使用AI生成网页图片描述// @author       AlphaCat// @match        *://*/*// @grant        GM_addStyle// @grant        GM_setValue// @grant        GM_getValue// @grant        GM_xmlhttpRequest// @connect      *// @license      MIT// ==/UserScript==(function () {'use strict';// 添加样式GM_addStyle(`.ai-config-modal {position: fixed;top: 50%;left: 50%;transform: translate(-50%, -50%);background: white;padding: 20px;border-radius: 8px;box-shadow: 0 2px 10px rgba(0,0,0,0.1);z-index: 10000;min-width: 500px;height: auto;}.ai-config-modal h3 {margin: 0 0 15px 0;font-size: 14px;font-weight: bold;color: #333;}.ai-config-modal label {display: inline-block;font-size: 12px;font-weight: bold;color: #333;margin: 0;line-height: normal;height: auto;}.ai-config-modal .input-wrapper {position: relative;display: flex;align-items: center;}.ai-config-modal input {display: block;width: 100%;padding: 2px 24px 2px 2px;margin: 2px;border: 1px solid #ddd;border-radius: 4px;font-size: 13px;line-height: normal;height: auto;box-sizing: border-box;}.ai-config-modal .input-icon {position: absolute;right: 4px;width: 16px;height: 16px;cursor: pointer;display: flex;align-items: center;justify-content: center;color: #666;font-size: 12px;user-select: none;}.ai-config-modal .clear-icon {right: 24px;}.ai-config-modal .toggle-password {right: 4px;}.ai-config-modal .input-icon:hover {color: #333;}.ai-config-modal .input-group {margin-bottom: 12px;height: auto;display: flex;flex-direction: column;}.ai-config-modal .button-row {display: flex;gap: 10px;align-items: center;margin-top: 5px;}.ai-config-modal .check-button {padding: 4px 8px;border: none;border-radius: 4px;background: #007bff;color: white;cursor: pointer;font-size: 12px;}.ai-config-modal .check-button:hover {background: #0056b3;}.ai-config-modal .check-button:disabled {background: #cccccc;cursor: not-allowed;}.ai-config-modal select {width: 100%;padding: 4px;border: 1px solid #ddd;border-radius: 4px;font-size: 13px;margin-top: 2px;}.ai-config-modal .status-text {font-size: 12px;margin-left: 10px;}.ai-config-modal .status-success {color: #28a745;}.ai-config-modal .status-error {color: #dc3545;}.ai-config-modal button {margin: 10px 5px;padding: 8px 15px;border: none;border-radius: 4px;cursor: pointer;font-size: 14px;}.ai-config-modal button#ai-save-config {background: #4CAF50;color: white;}.ai-config-modal button#ai-cancel-config {background: #dc3545;color: white;}.ai-config-modal button:hover {opacity: 0.9;}.ai-floating-btn {position: fixed;width: 32px;height: 32px;background: #4CAF50;color: white;border-radius: 50%;cursor: move;z-index: 9999;box-shadow: 0 2px 5px rgba(0,0,0,0.2);display: flex;align-items: center;justify-content: center;user-select: none;transition: background-color 0.3s;}.ai-floating-btn:hover {background: #45a049;}.ai-floating-btn svg {width: 20px;height: 20px;fill: white;}.ai-menu {position: absolute;background: white;border-radius: 5px;box-shadow: 0 2px 10px rgba(0,0,0,0.1);padding: 8px;z-index: 10000;display: flex;gap: 8px;}.ai-menu-item {width: 32px;height: 32px;padding: 6px;cursor: pointer;border-radius: 50%;display: flex;align-items: center;justify-content: center;transition: background-color 0.3s;}.ai-menu-item:hover {background: #f5f5f5;}.ai-menu-item svg {width: 20px;height: 20px;fill: #666;}.ai-menu-item:hover svg {fill: #4CAF50;}.ai-image-options {display: flex;flex-direction: column;gap: 10px;margin: 15px 0;}.ai-image-options button {padding: 8px 15px;border: none;border-radius: 4px;background: #4CAF50;color: white;cursor: pointer;transition: background-color 0.3s;font-size: 14px;}.ai-image-options button:hover {background: #45a049;}#ai-cancel {background: #dc3545;color: white;}#ai-cancel:hover {opacity: 0.9;}.ai-toast {position: fixed;top: 20px;left: 50%;transform: translateX(-50%);padding: 10px 20px;background: rgba(0, 0, 0, 0.8);color: white;border-radius: 4px;font-size: 14px;z-index: 10000;animation: fadeInOut 3s ease;pointer-events: none;white-space: pre-line;text-align: center;max-width: 80%;box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);}@keyframes fadeInOut {0% { opacity: 0; transform: translate(-50%, 10px); }10% { opacity: 1; transform: translate(-50%, 0); }90% { opacity: 1; transform: translate(-50%, 0); }100% { opacity: 0; transform: translate(-50%, -10px); }}.ai-config-modal .button-group {display: flex;justify-content: flex-end;gap: 10px;margin-top: 20px;}.ai-config-modal .button-group button {padding: 6px 16px;border: none;border-radius: 4px;cursor: pointer;font-size: 14px;transition: background-color 0.2s;}.ai-config-modal .save-button {background: #007bff;color: white;}.ai-config-modal .save-button:hover {background: #0056b3;}.ai-config-modal .save-button:disabled {background: #cccccc;cursor: not-allowed;}.ai-config-modal .cancel-button {background: #f8f9fa;color: #333;}.ai-config-modal .cancel-button:hover {background: #e2e6ea;}.ai-selecting-image {cursor: crosshair !important;}.ai-selecting-image * {cursor: crosshair !important;}.ai-image-description {position: fixed;background: rgba(0, 0, 0, 0.8);color: white;padding: 8px 12px;border-radius: 4px;font-size: 14px;line-height: 1.4;max-width: 300px;text-align: center;word-wrap: break-word;z-index: 10000;pointer-events: none;animation: fadeIn 0.3s ease;box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);}@keyframes fadeIn {from { opacity: 0; }to { opacity: 1; }}.ai-modal-overlay {position: fixed;top: 0;left: 0;width: 100%;height: 100%;background: rgba(0, 0, 0, 0.5);display: flex;justify-content: center;align-items: center;z-index: 9999;}.ai-r###lt-modal {background: white;padding: 20px;border-radius: 8px;box-shadow: 0 2px 10px rgba(0,0,0,0.1);position: relative;min-width: 300px;max-width: 1000px;max-height: 540px;overflow-y: auto;width: 90%;}.ai-r###lt-modal h3 {margin: 0 0 10px 0;font-size: 14px;color: #333;}.ai-r###lt-modal .description-code {background: #1e1e1e;color: #ffffff;padding: 6px;border-radius: 4px;margin: 5px 0;cursor: pointer;white-space: pre-wrap;word-wrap: break-word;font-family: monospace;border: 1px solid #333;position: relative;max-height: 500px;overflow-y: auto;font-size: 12px;line-height: 1.4;}.ai-r###lt-modal .description-code * {color: #ffffff !important;background: transparent !important;}.ai-r###lt-modal .description-code code {color: #ffffff;display: block;width: 100%;background: transparent !important;padding: 0;}.ai-r###lt-modal .description-code:hover {background: #2d2d2d;}.ai-r###lt-modal .copy-hint {font-size: 11px;color: #666;text-align: center;margin: 2px 0;}.ai-r###lt-modal .close-button {position: absolute;top: 8px;right: 8px;background: none;border: none;font-size: 18px;cursor: pointer;color: #666;padding: 2px 6px;line-height: 1;}.ai-r###lt-modal .close-button:hover {color: #333;}.ai-selection-overlay {position: fixed;top: 0;left: 0;right: 0;bottom: 0;background: rgba(0, 0, 0, 0.1);z-index: 999999;cursor: crosshair;pointer-events: none;}.ai-selecting-image img {position: relative;z-index: 9999;cursor: pointer !important;transition: outline 0.2s ease;}.ai-selecting-image img:hover {outline: 2px solid white;outline-offset: 2px;}/* 移动端样式优化 */@media (max-width: 768px) {.ai-floating-btn {width: 40px;height: 40px;touch-action: none;}.ai-floating-btn svg {width: 24px;height: 24px;}.ai-config-modal {width: 90%;min-width: auto;max-width: 400px;padding: 15px;margin: 10px;box-sizing: border-box;}.ai-config-modal .button-group {margin-top: 15px;flex-direction: row;justify-content: space-between;gap: 10px;}.ai-config-modal .button-group button {flex: 1;min-height: 44px;font-size: 16px;padding: 10px;margin: 0;}.ai-r###lt-modal {width: 95%;min-width: auto;max-width: 90%;margin: 10px;padding: 15px;}.ai-modal-overlay {padding: 10px;box-sizing: border-box;}.ai-config-modal button,.ai-config-modal .input-icon,.ai-config-modal select,.ai-config-modal input {min-height: 44px;padding: 10px;font-size: 16px;}.ai-config-modal textarea {min-height: 100px;font-size: 16px;padding: 10px;}.ai-config-modal .input-icon {width: 44px;height: 44px;font-size: 20px;}.ai-config-modal {max-height: 90vh;overflow-y: auto;-webkit-overflow-scrolling: touch;}}.ai-selection-overlay img,.ai-selection-overlay [style*="background-image"],.ai-selection-overlay [class*="img"],.ai-selection-overlay [class*="photo"],.ai-selection-overlay [class*="image"],.ai-selection-overlay [class*="thumb"],.ai-selection-overlay [class*="avatar"] {cursor: pointer !important;transition: outline 0.2s;pointer-events: auto;}.ai-selection-overlay img:hover,.ai-selection-overlay [style*="background-image"]:hover,.ai-selection-overlay [class*="img"]:hover,.ai-selection-overlay [class*="photo"]:hover,.ai-selection-overlay [class*="image"]:hover,.ai-selection-overlay [class*="thumb"]:hover,.ai-selection-overlay [class*="avatar"]:hover {outline: 3px solid #4CAF50 !important;outline-offset: 2px !important;}/* 结果框样式 */.ai-r###lt-modal {position: fixed;top: 50%;left: 50%;transform: translate(-50%, -50%);background: white;padding: 20px;border-radius: 8px;box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);z-index: 1000000;max-width: 80%;max-height: 80vh;overflow-y: auto;}.ai-r###lt-modal .r###lt-content {position: relative;}.ai-r###lt-modal .description-code {background: #1e1e1e;color: #ffffff;padding: 6px;border-radius: 4px;margin: 5px 0;cursor: pointer;white-space: pre-wrap;word-wrap: break-word;font-family: monospace;border: 1px solid #333;position: relative;max-height: 500px;overflow-y: auto;font-size: 12px;line-height: 1.4;}.ai-r###lt-modal .description-code * {color: #ffffff !important;background: transparent !important;}.ai-r###lt-modal .description-code code {color: #ffffff;display: block;width: 100%;background: transparent !important;padding: 0;}.ai-r###lt-modal .description-code:hover {background: #2d2d2d;}.ai-r###lt-modal .copy-hint {font-size: 12px;color: #666;text-align: center;margin-top: 5px;}.ai-r###lt-modal .close-button {position: absolute;top: -10px;right: -10px;width: 24px;height: 24px;border-radius: 50%;background: #ff4444;color: white;border: none;cursor: pointer;display: flex;align-items: center;justify-content: center;font-size: 16px;line-height: 1;padding: 0;}.ai-r###lt-modal .close-button:hover {background: #ff6666;}`);// 全局变量let isSelectionMode = false;// 定义默认提示词const DEFAULT_PROMPT = "I will give you a picture, help me describe the main content of the picture. If there are people in the picture, describe their clothing, posture, and expressions, and give a simple compliment. Answer in Chinese";// 在全局变量部分添加const DEFAULT_API_KEY = '';const DEFAULT_API_ENDPOINT = 'https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp:generateContent';const DEFAULT_MODEL = 'gemini-2.0-flash-exp';// 添加支持的图片格式const SUPPORTED_MIME_TYPES = ['image/png','image/jpeg','image/webp','image/heic','image/heif'];const MAX_FILE_SIZE = 7 * #### * ####; // 7MBconst TARGET_FILE_SIZE = 1 * #### * ####; // 1MB// 添加日志函数function log(message, data = null) {const timestamp = new Date().toISOString();if (data) {console.log(`[Gemini] ${timestamp} ${message}:`, data);} else {console.log(`[Gemini] ${timestamp} ${message}`);}}// 修改图片压缩函数async function compressImage(base64Image, mimeType) {log('开始压缩图片', { mimeType });return new Promise((resolve, reject) => {const img = new Image();img.onload = () => {let quality = 0.9;let canvas = document.createElement('canvas');let ctx = canvas.getContext('2d');let width = img.width;let height = img.height;log('原始图片尺寸', { width, height });const MAX_DIMENSION = 2048;if (width > MAX_DIMENSION || height > MAX_DIMENSION) {const ratio = Math.min(MAX_DIMENSION / width, MAX_DIMENSION / height);width *= ratio;height *= ratio;log('调整后的图片尺寸', { width, height });}canvas.width = width;canvas.height = height;ctx.drawImage(img, 0, 0, width, height);const compress = () => {const base64 = canvas.toDataURL(mimeType, quality);const size = Math.ceil((base64.length * 3) / 4);log('当前压缩质量和大小', { quality, size: `${(size / #### / ####).toFixed(2)}MB` });if (size > TARGET_FILE_SIZE && quality > 0.1) {quality -= 0.1;compress();} else {log('压缩完成', { finalQuality: quality, finalSize: `${(size / #### / ####).toFixed(2)}MB` });resolve(base64.split(',')[1]);}};compress();};img.onerror = (error) => {log('图片加载失败', error);reject(error);};img.src = `data:${mimeType};base64,${base64Image}`;});}// 修改图片上传函数async function uploadImageToGemini(base64Image, mimeType) {try {log('开始上传图片', { mimeType });// 转换为二进制数据const binaryData = atob(base64Image);const bytes = new Uint8Array(binaryData.length);for (let i = 0; i < binaryData.length; i++) {bytes[i] = binaryData.charCodeAt(i);}const blob = new Blob([bytes], { type: mimeType });log('准备上传的文件大小', `${(blob.size / #### / ####).toFixed(2)}MB`);// 获取 API Keyconst apiKey = GM_getValue('apiKey', DEFAULT_API_KEY);if (!apiKey) {throw new Error('请先在配置中设置 API Key');}// 第一步：发起 r###mable 上传请求log('发起 r###mable 上传请求');const initResponse = await fetch(`https://generativelanguage.googleapis.com/upload/v1beta/files?key=${apiKey}`, {method: 'POST',headers: {'X-Goog-Upload-Protocol': 'r###mable','X-Goog-Upload-Command': 'start','X-Goog-Upload-Header-Content-Length': blob.size.toString(),'X-Goog-Upload-Header-Content-Type': mimeType,'Content-Type': 'application/json'},body: JSON.stringify({file: {display_name: `image_${Date.now()}.${mimeType.split('/')[1]}`}})});if (!initResponse.ok) {const errorData = await initResponse.text();throw new Error(`上传初始化失败: HTTP ${initResponse.status} - ${errorData}`);}// 从响应头中获取上传 URLconst uploadUrl = initResponse.headers.get('x-goog-upload-url');if (!uploadUrl) {throw new Error('未能获取上传 URL');}// 第二步：上传实际的图片数据log('开��上传图片数据');const uploadResponse = await fetch(uploadUrl, {method: 'POST',headers: {'Content-Length': blob.size.toString(),'X-Goog-Upload-Offset': '0','X-Goog-Upload-Command': 'upload, finalize'},body: blob});if (!uploadResponse.ok) {const errorData = await uploadResponse.text();throw new Error(`上传文件失败: HTTP ${uploadResponse.status} - ${errorData}`);}const data = await uploadResponse.json();if (data.file && data.file.uri) {return data.file.uri;} else {throw new Error(`文件上传失败: ${JSON.stringify(data)}`);}} catch (error) {log('上传图片失败', error);throw error;}}// 修改 fetchImageAsBase64 函数async function fetchImageAsBase64(url) {try {log('开始通过 fetch 获取图片', url);// 直接使用 GM_xmlhttpRequest 获取图片return await new Promise((resolve, reject) => {GM_xmlhttpRequest({method: 'GET',url: url,responseType: 'blob',headers: {'Accept': 'image/*'},onload: function(response) {if (response.status === 200) {const reader = new FileReader();reader.onloadend = () => {const base64 = reader.r###lt.split(',')[1];resolve({base64,mimeType: response.response.type || 'image/jpeg'});};reader.onerror = reject;reader.readAsDataURL(response.response);} else {reject(new Error(`HTTP ${response.status}`));}},onerror: function(error) {log('GM_xmlhttpRequest 失败', error);reject(error);}});});} catch (error) {log('获取图片失败', error);// 如果直接获取失败，尝试使用代理const proxyServices = [// 使用 cors-anywhere 代理`https://cors-anywhere.herokuapp.com/${url}`,// 使用 allOrigins 代理`https://api.allorigins.win/raw?url=${encodeURIComponent(url)}`,// 使用 crossorigin.me 代理`https://crossorigin.me/${url}`,// 使用 cors.bridged.cc 代理`https://cors.bridged.cc/${url}`];for (const proxyUrl of proxyServices) {try {log('尝试使用代理', proxyUrl);return await new Promise((resolve, reject) => {GM_xmlhttpRequest({method: 'GET',url: proxyUrl,responseType: 'blob',headers: {'Accept': 'image/*'},onload: function(response) {if (response.status === 200) {const reader = new FileReader();reader.onloadend = () => {const base64 = reader.r###lt.split(',')[1];resolve({base64,mimeType: response.response.type || 'image/jpeg'});};reader.onerror = reject;reader.readAsDataURL(response.response);} else {reject(new Error(`HTTP ${response.status}`));}},onerror: reject});});} catch (proxyError) {log(`代理 ${proxyUrl} 请求失败`, proxyError);continue;}}throw new Error('无法获取图片数据: ' + error.message);}}// 修改 imageToBase64 函数，添加更多错误检查async function imageToBase64(imgElement) {return new Promise((resolve, reject) => {try {// 检查是否是效的图片元素if (!(imgElement instanceof HTMLImageElement)) {throw new Error('无效的图片元素');}// 检查图片是否已加载if (!imgElement.complete || !imgElement.naturalWidth) {// 如果图片未加载完成，等待加载imgElement.onload = () => processImage();imgElement.onerror = () => reject(new Error('图片加载失败'));return;}processImage();function processImage() {try {const canvas = document.createElement('canvas');canvas.width = imgElement.naturalWidth;canvas.height = imgElement.naturalHeight;const ctx = canvas.getContext('2d');// 检查画布上下文是否创建成功if (!ctx) {throw new Error('无法创建 Canvas 上下文');}// 绘制图片到 canvasctx.drawImage(imgElement, 0, 0);// 获取图片的实际 MIME 类型let mimeType = 'image/jpeg'; // 默认格式const src = imgElement.src;// 检查图片源if (!src) {throw new Error('图片源无效');}// 从 src 获取 MIME 类型if (src.startsWith('data:')) {const match = src.match(/^data:([^;]+);/);if (match) {mimeType = match[1];}} else {// 从文件扩展名获取 MIME 类型const extension = src.toLowerCase().match(/\.([^.]+)$/);if (extension) {const ext = extension[1];const mimeMap = {'jpg': 'image/jpeg','jpeg': 'image/jpeg','png': 'image/png','webp': 'image/webp','gif': 'image/gif'};mimeType = mimeMap[ext] || 'image/jpeg';}}log('处理图片', {width: imgElement.naturalWidth,height: imgElement.naturalHeight,src: src.substring(0, 100) + '...',mimeType: mimeType});try {// 尝试使用原始格式const base64 = canvas.toDataURL(mimeType, 1.0).split(',')[1];if (!base64) {throw new Error('Base64 转换失败');}resolve({ base64, mimeType });} catch (e) {log('原始格式转换失败，尝试使用 JPEG', e);try {// 降级到 JPEGconst base64 = canvas.toDataURL('image/jpeg', 0.9).split(',')[1];if (!base64) {throw new Error('JPEG 转换也失败了');}resolve({ base64, mimeType: 'image/jpeg' });} catch (jpegError) {// 如果 Canvas 转换都失败了，尝试直接获取图片数据log('Canvas 转换失败，尝试直接获取图片', jpegError);if (src.startsWith('data:')) {const [header, base64] = src.split(',');const mimeType = header.split(':')[1].split(';')[0];if (base64 && mimeType) {resolve({ base64, mimeType });} else {throw new Error('无法从 data URL 提取数据');}} else {// 最后尝试通过 fetch 获取fetchImageAsBase64(src).then(resolve).catch(reject);}}}} catch (error) {log('图片处理失败', error);// 尝试通过 fetch 获取fetchImageAsBase64(imgElement.src).then(resolve).catch(reject);}}} catch (error) {log('图片处理过程出错', error);reject(error);}});}// 修改生成描述的函数async function generateImageDescription(imageBase64, prompt, mimeType) {try {log('开始生成图片描述');log('使用的提示词', prompt);const fileUri = await uploadImageToGemini(imageBase64, mimeType);log('开始调用生成接口');// 完全按照 demo-gemini.sh 的请求格式修改const requestBody = {contents: [{parts: [{text: prompt || DEFAULT_PROMPT},{file_data: {  // 注意这里是 file_data 而不是 fileDatamime_type: mimeType,  // 使用下划线格式file_uri: fileUri  // 使用下划线格式}}]}]};log('请求参数', requestBody);// 修改请求 URL，使用 v1beta 版本的 APIconst apiKey = GM_getValue('apiKey', DEFAULT_API_KEY);const response = await fetch(`https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp:generateContent?key=${apiKey}`, {method: 'POST',headers: {'Content-Type': 'application/json'},body: JSON.stringify(requestBody)});const data = await response.json();log('生成接口响应', data);// 解析响应数据if (data.candidates && data.candidates[0] && data.candidates[0].content) {const text = data.candidates[0].content.parts[0].text;log('成功生成描述');return text;} else {throw new Error(data.error?.message || '无法获取图片描述');}} catch (error) {log('生成描述失��', error);throw error;}}// 修改 API 检测功能async function checkApiKey(apiKey) {try {log('开始验证 API Key');const response = await fetch(`https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp`, {headers: {'x-goog-api-key': apiKey}});const data = await response.json();log('API 验证响应', data);if (data.name && data.name.includes('gemini-2.0-flash-exp')) {log('API Key 验证成功');return [data];}throw new Error('无效的 API Key 或模型不可用');} catch (error) {log('API 验证失败', error);throw new Error(`API 验证失败: ${error.message}`);}}// 显示toast提示function showToast(message, duration = 3000) {const toast = document.createElement('div');toast.className = 'ai-toast';toast.textContent = message;document.body.appendChild(toast);setTimeout(() => {toast.remove();}, duration);}// 修改 findImage 函数，增强懒加载图片的检测function findImage(target) {let img = null;let imgSrc = null;// 检查是否为图片元素if (target.nodeName === 'IMG') {img = target;// 优先获取 data-src（懒加载原图）imgSrc = target.getAttribute('data-src') ||target.getAttribute('data-original') ||target.getAttribute('data-actualsrc') ||target.getAttribute('data-url') ||target.getAttribute('data-echo') ||target.getAttribute('data-lazy-src') ||target.getAttribute('data-original-src') ||target.src;  // 最后才使用 src 属性}// 检查背景图else if (target.style && target.style.backgroundImage) {let bgImg = target.style.backgroundImage.match(/url\(['"]?([^'"]+)['"]?\)/);if (bgImg) {imgSrc = bgImg[1];img = target;}}// 检查父元素的背景图else {let parent = target.parentElement;if (parent && parent.style && parent.style.backgroundImage) {let bgImg = parent.style.backgroundImage.match(/url\(['"]?([^'"]+)['"]?\)/);if (bgImg) {imgSrc = bgImg[1];img = parent;}}}// 检查常见的图片容器if (!img) {// 检查父元素是否为图片容器let imgWrapper = target.closest('[class*="img"],[class*="photo"],[class*="image"],[class*="thumb"],[class*="avatar"],[class*="masonry"]');if (imgWrapper) {// 在容器中查找图片元素let possibleImg = imgWrapper.querySelector('img');if (possibleImg) {img = possibleImg;// 同样优先获取懒加载原图imgSrc = possibleImg.getAttribute('data-src') ||possibleImg.getAttribute('data-original') ||possibleImg.getAttribute('data-actualsrc') ||possibleImg.getAttribute('data-url') ||possibleImg.getAttribute('data-echo') ||possibleImg.getAttribute('data-lazy-src') ||possibleImg.getAttribute('data-original-src') ||possibleImg.src;} else {// 检查容器的背景图let bgImg = getComputedStyle(imgWrapper).backgroundImage.match(/url\(['"]?([^'"]+)['"]?\)/);if (bgImg) {imgSrc = bgImg[1];img = imgWrapper;}}}}// 检查特殊情况：某些网站使用自定义属性存储真实图片地址if (img && !imgSrc) {// 获取元素的所有属性const attrs = img.attributes;for (let i = 0; i < attrs.length; i++) {const attr = attrs[i];// 检查属性名中���否包含关键字if (attr.name.toLowerCase().includes('src') ||attr.name.toLowerCase().includes('url') ||attr.name.toLowerCase().includes('img') ||attr.name.toLowerCase().includes('thumb') ||attr.name.toLowerCase().includes('original') ||attr.name.toLowerCase().includes('data')) {const value = attr.value;if (value && /^https?:\/\//.test(value)) {imgSrc = value;break;}}}}// 检查父级链接if (img && !imgSrc) {let parentLink = img.closest('a');if (parentLink && parentLink.href) {if (/\.(jpe?g|png|webp|gif)$/i.test(parentLink.href)) {imgSrc = parentLink.href;}}}// 如果找到了图片但没有找到有效的 URL，记录日志if (img && !imgSrc) {log('找到图片元素但未找到有效的图片URL', {element: img,attributes: Array.from(img.attributes).map(attr => `${attr.name}="${attr.value}"`).join(', ')});}return { img, imgSrc };}// 修改点击处理函数function clickHandler(e) {if (!isSelectionMode) return;const { img, imgSrc } = findImage(e.target);if (!img || !imgSrc) return;e.preventDefault();e.stopPropagation();// 检查图片是否有效if (img instanceof HTMLImageElement) {if (!img.complete || !img.naturalWidth) {showToast('图片未加载完成或无效');return;}if (img.naturalWidth < 10 || img.naturalHeight < 10) {showToast('图片太小，无法处理');return;}}processImage(img, imgSrc);}// 进入图片选择模式function enterImageSelectionMode() {if (isSelectionMode) return;isSelectionMode = true;const floatingBtn = document.querySelector('.ai-floating-btn');if (floatingBtn) {floatingBtn.style.display = 'none';}const overlay = document.createElement('div');overlay.className = 'ai-selection-overlay';document.body.appendChild(overlay);document.body.classList.add('ai-selecting-image');document.addEventListener('click', clickHandler, true);const escHandler = (e) => {if (e.key === 'Escape') {exitImageSelectionMode();}};document.addEventListener('keydown', escHandler);window._imageSelectionHandlers = {click: clickHandler,keydown: escHandler};}// 退出图片选择模式function exitImageSelectionMode() {isSelectionMode = false;const floatingBtn = document.querySelector('.ai-floating-btn');if (floatingBtn) {floatingBtn.style.display = 'flex';}const overlay = document.querySelector('.ai-selection-overlay');if (overlay) {overlay.remove();}document.body.classList.remove('ai-selecting-image');if (window._imageSelectionHandlers) {document.removeEventListener('click', window._imageSelectionHandlers.click, true);document.removeEventListener('keydown', window._imageSelectionHandlers.keydown);window._imageSelectionHandlers = null;}}// 修改配置界面创建函数function createConfigUI() {const existingModal = document.querySelector('.ai-modal-overlay');if (existingModal) {existingModal.remove();}const overlay = document.createElement('div');overlay.className = 'ai-modal-overlay';const modal = document.createElement('div');modal.className = 'ai-config-modal';modal.innerHTML = `<h3>AI图像描述配置</h3><div class="input-group"><label>API Endpoint:</label><div class="input-wrapper"><input type="text" id="ai-endpoint" placeholder="https://api.openai.com" value="${DEFAULT_API_ENDPOINT}" readonly></div></div><div class="input-group"><label>API Key:</label><div class="input-wrapper"><input type="password" id="ai-apikey" placeholder="输入你的 API Key" value="${GM_getValue('apiKey', DEFAULT_API_KEY)}"><span class="input-icon toggle-password" title="显示/隐藏">👁️</span></div></div><div class="input-group"><label>使用模型:</label><select id="ai-model" disabled><option value="${DEFAULT_MODEL}">${DEFAULT_MODEL}</option></select></div><div class="input-group"><label>提示词:</label><div class="input-wrapper"><textarea id="ai-prompt" rows="4" style="width: 100%; resize: vertical;">${GM_getValue('customPrompt', DEFAULT_PROMPT)}</textarea><span class="input-icon clear-icon" title="重置为默认值">↺</span></div></div><div class="button-group"><button type="button" class="cancel-button" id="ai-cancel-config">取消</button><button type="button" class="save-button" id="ai-save-config">保存</button></div>`;overlay.appendChild(modal);document.body.appendChild(overlay);// 添加密码显示/隐藏功能const togglePassword = modal.querySelector('.toggle-password');const apiKeyInput = modal.querySelector('#ai-apikey');if (togglePassword && apiKeyInput) {togglePassword.addEventListener('click', function() {const type = apiKeyInput.type === 'password' ? 'text' : 'password';apiKeyInput.type = type;this.textContent = type === 'password' ? '👁️' : '👁️‍🗨️';});}// 保留提示词的重置功能const clearButtons = modal.querySelectorAll('.clear-icon');clearButtons.forEach(button => {button.addEventListener('click', function(e) {const input = this.parentElement.querySelector('textarea');if (input && input.id === 'ai-prompt') {input.value = DEFAULT_PROMPT;input.focus();}});});// 修改保存按钮事件const saveButton = modal.querySelector('#ai-save-config');if (saveButton) {saveButton.addEventListener('click', function(e) {e.preventDefault();e.stopPropagation();const apiKey = modal.querySelector('#ai-apikey').value.trim();const customPrompt = modal.querySelector('#ai-prompt').value.trim();// 保存配置if (apiKey) {GM_setValue('apiKey', apiKey);}if (customPrompt) {GM_setValue('customPrompt', customPrompt);}showToast('配置已保存');overlay.remove();});}// 取消配置const cancelButton = modal.querySelector('#ai-cancel-config');if (cancelButton) {cancelButton.addEventListener('click', function(e) {e.preventDefault();e.stopPropagation();overlay.remove();});}// 点击遮罩层关闭overlay.addEventListener('click', function(e) {if (e.target === overlay) {overlay.remove();}});// 阻止模态框内的点击事件冒泡modal.addEventListener('click', function(e) {e.stopPropagation();});}// 创建悬浮按钮function createFloatingButton() {const btn = document.createElement('div');btn.className = 'ai-floating-btn';btn.innerHTML = `<svg viewBox="0 0 24 24"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8zm0-14c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6-2.69-6-6-6zm0 10c-2.21 0-4-1.79-4-4h2c0-1.1.9-2 2-2s2 .9 2 2c0 2-3 1.75-3 5h2c0-2.25 3-2.5 3-5 0-2.21-1.79-4-4-4z"/></svg>`;const savedPos = JSON.parse(GM_getValue('btnPosition', '{"x": 20, "y": 20}'));btn.style.left = (savedPos.x || 20) + 'px';btn.style.top = (savedPos.y || 20) + 'px';btn.style.right = 'auto';btn.style.bottom = 'auto';let isDragging = false;let hasMoved = false;let startX, startY;let initialLeft, initialTop;let longPressTimer;let touchStartTime;// 触屏事件处理btn.addEventListener('touchstart', function (e) {e.preventDefault();touchStartTime = Date.now();longPressTimer = setTimeout(() => {exitImageSelectionMode();createConfigUI();}, 500);const touch = e.touches[0];startX = touch.clientX;startY = touch.clientY;const rect = btn.getBoundingClientRect();initialLeft = rect.left;initialTop = rect.top;});btn.addEventListener('touchmove', function (e) {e.preventDefault();clearTimeout(longPressTimer);const touch = e.touches[0];const deltaX = touch.clientX - startX;const deltaY = touch.clientY - startY;if (Math.abs(deltaX) > 5 || Math.abs(deltaY) > 5) {hasMoved = true;}const newLeft = Math.max(0, Math.min(window.innerWidth - btn.offsetWidth, initialLeft + deltaX));const newTop = Math.max(0, Math.min(window.innerHeight - btn.offsetHeight, initialTop + deltaY));btn.style.left = newLeft + 'px';btn.style.top = newTop + 'px';});btn.addEventListener('touchend', function (e) {e.preventDefault();clearTimeout(longPressTimer);const touchDuration = Date.now() - touchStartTime;if (!hasMoved && touchDuration < 500) {enterImageSelectionMode();}if (hasMoved) {const rect = btn.getBoundingClientRect();GM_setValue('btnPosition', JSON.stringify({x: rect.left,y: rect.top}));}hasMoved = false;});// 鼠标事件处理btn.addEventListener('click', function (e) {if (e.button === 0 && !hasMoved) {enterImageSelectionMode();e.stopPropagation();}hasMoved = false;});btn.addEventListener('contextmenu', function (e) {e.preventDefault();exitImageSelectionMode();createConfigUI();});// 拖拽相关事件function dragStart(e) {if (e.target === btn || btn.contains(e.target)) {isDragging = true;hasMoved = false;const rect = btn.getBoundingClientRect();startX = e.clientX;startY = e.clientY;initialLeft = rect.left;initialTop = rect.top;e.preventDefault();}}function drag(e) {if (isDragging) {e.preventDefault();const deltaX = e.clientX - startX;const deltaY = e.clientY - startY;if (Math.abs(deltaX) > 5 || Math.abs(deltaY) > 5) {hasMoved = true;}const newLeft = Math.max(0, Math.min(window.innerWidth - btn.offsetWidth, initialLeft + deltaX));const newTop = Math.max(0, Math.min(window.innerHeight - btn.offsetHeight, initialTop + deltaY));btn.style.left = newLeft + 'px';btn.style.top = newTop + 'px';}}function dragEnd(e) {if (isDragging) {isDragging = false;const rect = btn.getBoundingClientRect();GM_setValue('btnPosition', JSON.stringify({x: rect.left,y: rect.top}));}}btn.addEventListener('mousedown', dragStart);document.addEventListener('mousemove', drag);document.addEventListener('mouseup', dragEnd);document.body.appendChild(btn);return btn;}// 添加 processImage 函数async function processImage(img, imgSrc) {try {showToast('正在处理图片...');// 获取图片数据let imgData;if (img instanceof HTMLImageElement) {imgData = await imageToBase64(img);} else {// 对于背景图等情况，直接获取图片imgData = await fetchImageAsBase64(imgSrc);}if (!imgData || !imgData.base64) {throw new Error('无法获取图片数据');}log('获取到图片数据', {mimeType: imgData.mimeType,dataLength: imgData.base64.length,source: imgSrc});// 获取用户设置的提示词const customPrompt = GM_getValue('customPrompt', DEFAULT_PROMPT);// 调用 Gemini API 获取描述const description = await generateImageDescription(imgData.base64, customPrompt, imgData.mimeType);// 显示结果showR###lt(description);// 处理完成后退出选择模式exitImageSelectionMode();} catch (error) {log('处理图片失败', error);showToast(`处理失败: ${error.message}`);}}// 添加显示结果的函数function showR###lt(description) {// 移除已存在的结果框const existingR###lt = document.querySelector('.ai-r###lt-modal');if (existingR###lt) {existingR###lt.remove();}// 创建结果框const r###ltModal = document.createElement('div');r###ltModal.className = 'ai-r###lt-modal';r###ltModal.innerHTML = `<div class="r###lt-content"><div class="description-code"><code>${description}</code></div><div class="copy-hint">点击上方文本可复制</div><button class="close-button">×</button></div>`;// 添加复制功能const codeBlock = r###ltModal.querySelector('.description-code');codeBlock.addEventListener('click', () => {const text = codeBlock.textContent;GM_setClipboard(text);showToast('已复制到剪贴板');});// 添加关闭功能const closeButton = r###ltModal.querySelector('.close-button');closeButton.addEventListener('click', () => {r###ltModal.remove();});document.body.appendChild(r###ltModal);}// 初始化function initialize() {if (document.readyState === 'loading') {document.addEventListener('DOMContentLoaded', () => {createFloatingButton();});} else {createFloatingButton();}}// 启动脚本initialize();})();