82 lines
No EOL
2.2 KiB
Dart
82 lines
No EOL
2.2 KiB
Dart
import 'dart:html' as html;
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import '../models/tab_data.dart';
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// communication with browser extension
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// Listens for messages
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// callbacks to notify UI
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// start/stop tracking
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// Converts extension
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class ExtensionService {
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Function(List<TabData>)? onTabsUpdate;
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Function()? onTrackingStart;
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Function()? onTrackingStop;
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void setupListener() {
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html.window.onMessage.listen((event) {
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final data = event.data;
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if (data is Map && data['source'] == 'tab-tracker-extension') {
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_handleExtensionMessage(Map<String, dynamic>.from(data));
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}
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});
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}
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void _handleExtensionMessage(Map<String, dynamic> data) {
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print('Received from extension: $data');
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if (data['action'] == 'updateTabs') {
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final extensionTabs = (data['tabs'] as List).map((tab) {
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tab['type'] = 'tab';
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return TabData.fromJson(tab);
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}).toList();
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onTabsUpdate?.call(extensionTabs);
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} else if (data['action'] == 'clear') {
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onTrackingStop?.call();
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} else if (data['response'] != null) {
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final response = data['response'];
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if (response['status'] == 'started') {
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onTrackingStart?.call();
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} else if (response['status'] == 'stopped') {
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onTrackingStop?.call();
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}
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}
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}
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void sendMessage(Map<String, dynamic> message) {
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html.window.postMessage({
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'source': 'tab-tracker-webapp',
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...message
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}, '*');
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}
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void startTracking() {
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sendMessage({'action': 'startTracking'});
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}
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void stopTracking() {
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sendMessage({'action': 'stopTracking'});
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}
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void getStatus() {
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sendMessage({'action': 'getStatus'});
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}
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}
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// Handles communication, browser extension for live tab tracking.
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//
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// Callback triggered when extension updates.
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//
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// SetupListener listens for messages from browser extension through window.postMessage.
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//
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// Messages arrive, filters only process ones from specific extension.
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//
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// _handleExtensionMessage processes different types of messages, tab updates, tracking status changes.
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//
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// SendMessage method sends commands back to the extension with a source identifier.
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//
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// startTracking, stopTracking, getStatus interface to control extension
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// callback allows UI to react immediately when data arrives. |