import { ConnectionStatus } from '@mcp-pointer/shared/types';
import logger from './utils/logger';
import { ElementSenderService } from './services/element-sender-service';
import { ExtensionConfig } from './utils/config';
import ConfigStorageService from './services/config-storage-service';
let elementSender: ElementSenderService;
let currentConfig: ExtensionConfig;
// Initialize when service worker starts
async function initialize() {
currentConfig = await ConfigStorageService.load();
// Create the service (no connection on startup)
elementSender = new ElementSenderService();
logger.info('🚀 MCP Pointer background script loaded', {
enabled: currentConfig.enabled,
port: currentConfig.websocket.port,
});
}
// Listen for config changes
ConfigStorageService.onChange((newConfig: ExtensionConfig) => {
logger.info('⚙️ Config changed:', newConfig);
// Simply update the config - ElementSenderService handles port changes automatically
currentConfig = newConfig;
if (newConfig.enabled) {
logger.info('✅ Extension enabled');
} else {
logger.info('❌ Extension disabled');
}
});
// Listen for messages from content script
chrome.runtime.onMessage
.addListener((request: any, _sender: any, sendResponse: (response: any) => void) => {
if (request.type === 'DOM_ELEMENT_POINTED' && request.data) {
// Send element with current port and status callback
elementSender.sendElement(
request.data,
currentConfig.websocket.port,
(status, error) => {
// Status flow: CONNECTING -> CONNECTED -> SENDING -> SENT
switch (status) {
case ConnectionStatus.CONNECTING:
logger.info('🔄 Connecting to WebSocket...');
break;
case ConnectionStatus.CONNECTED:
logger.info('✅ Connected');
break;
case ConnectionStatus.SENDING:
logger.info('📤 Sending element...');
break;
case ConnectionStatus.SENT:
logger.info('✓ Element sent successfully');
break;
case ConnectionStatus.ERROR:
logger.error('❌ Failed:', error);
break;
default:
break;
}
},
);
sendResponse({ success: true });
}
return true; // Keep message channel open for async response
});
// Handle extension install/update
chrome.runtime.onInstalled.addListener((details) => {
if (details.reason === 'update' && details.previousVersion === '0.4.2') {
const { previousVersion } = details;
const currentVersion = chrome.runtime.getManifest().version;
logger.info(`🔄 Extension updated from ${previousVersion} to ${currentVersion}`);
// Open update notification page
chrome.tabs.create({
url: 'https://mcp-pointer.etsd.tech/development-update.html',
active: true,
});
}
});
// Start initialization
initialize();
