792 lines
27 KiB
Dart
792 lines
27 KiB
Dart
import 'dart:async';
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import 'dart:math';
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import 'package:flutter/foundation.dart';
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import '../../mpv/mpv.dart';
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import '../../services/settings_service.dart';
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import '../../utils/app_logger.dart';
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import '../models/sync_message.dart';
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import '../models/watch_session.dart';
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import '../services/watch_together_peer_service.dart';
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import '../services/watch_together_sync_manager.dart';
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/// Callback type for when media switches (for guest navigation)
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typedef MediaSwitchCallback = void Function(String ratingKey, String serverId, String mediaTitle);
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/// Provider for Watch Together functionality
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///
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/// This provider manages:
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/// - Session creation/joining
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/// - Peer connections
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/// - Playback synchronization
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/// - Participant list
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/// - Media switching across the session
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class WatchTogetherProvider with ChangeNotifier {
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WatchSession? _session;
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WatchTogetherPeerService? _peerService;
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WatchTogetherSyncManager? _syncManager;
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final List<Participant> _participants = [];
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bool _isSyncing = false;
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bool _isDeferredPlay = false;
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String _displayName = 'User';
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String? _lastHandledCurrentPlaybackKey;
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// Coalesce rapid-fire notifyListeners() calls into a single rebuild per frame.
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// During Watch Together join, 4-5 notifications fire within milliseconds;
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// this batches them into one rebuild to avoid overwhelming low-end devices.
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bool _notifyScheduled = false;
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bool _disposed = false;
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@override
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void notifyListeners() {
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if (_disposed || _notifyScheduled) return;
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_notifyScheduled = true;
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scheduleMicrotask(() {
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_notifyScheduled = false;
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if (!_disposed) super.notifyListeners();
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});
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}
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// Host reconnect grace period
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Timer? _hostReconnectTimer;
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bool _isWaitingForHostReconnect = false;
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bool _hostIntentionallyLeft = false;
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// Debounce map for action events (peerId+type → last emission timestamp)
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final Map<String, int> _lastActionEventMs = {};
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/// Generate a random display name for this session
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static String _generateDisplayName() {
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const adjectives = ['Happy', 'Sleepy', 'Sunny', 'Cozy', 'Chill', 'Swift', 'Brave', 'Calm', 'Jolly', 'Lucky'];
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const nouns = ['Panda', 'Koala', 'Fox', 'Owl', 'Cat', 'Dog', 'Bear', 'Bunny', 'Duck', 'Penguin'];
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final random = Random();
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return '${adjectives[random.nextInt(adjectives.length)]} ${nouns[random.nextInt(nouns.length)]}';
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}
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/// Callback for when host switches media (guests should navigate)
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/// Used by MainScreen when VideoPlayerScreen is not active
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MediaSwitchCallback? onMediaSwitched;
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/// Callback for VideoPlayerScreen to handle media switch internally (guest only)
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/// When set, takes priority over onMediaSwitched for proper navigation context
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MediaSwitchCallback? onPlayerMediaSwitched;
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/// Callback for when host exits the video player (guests should exit too)
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VoidCallback? onHostExitedPlayer;
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// Stream subscriptions
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StreamSubscription<String>? _peerConnectedSubscription;
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StreamSubscription<String>? _peerDisconnectedSubscription;
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StreamSubscription<SyncMessage>? _messageSubscription;
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StreamSubscription<PeerError>? _errorSubscription;
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// Getters
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bool get isInSession => _session != null && _session!.state != SessionState.disconnected;
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bool get isHost => _session?.isHost ?? false;
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bool get isConnected => _session?.isConnected ?? false;
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bool get isSyncing => _isSyncing;
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bool get isDeferredPlay => _isDeferredPlay;
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WatchSession? get session => _session;
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List<Participant> get participants => List.unmodifiable(_participants);
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int get participantCount => _participants.length;
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ControlMode get controlMode => _session?.controlMode ?? ControlMode.hostOnly;
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String? get sessionId => _session?.sessionId;
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WatchTogetherSyncManager? get syncManager => _syncManager;
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bool get isWaitingForHostReconnect => _isWaitingForHostReconnect;
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// Participant join/leave event stream
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final StreamController<ParticipantEvent> _participantEventController = StreamController<ParticipantEvent>.broadcast();
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Stream<ParticipantEvent> get participantEvents => _participantEventController.stream;
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// Current media getters
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String? get currentMediaRatingKey => _session?.mediaRatingKey;
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String? get currentMediaServerId => _session?.mediaServerId;
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String? get currentMediaTitle => _session?.mediaTitle;
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bool get hasCurrentPlayback =>
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currentMediaRatingKey != null && currentMediaServerId != null && currentMediaTitle != null;
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/// Set the display name for this user
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void setDisplayName(String name) {
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_displayName = name;
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}
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String? _buildPlaybackKey(String? ratingKey, String? serverId) {
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if (ratingKey == null || serverId == null) return null;
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return '$serverId:$ratingKey';
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}
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void _updateCurrentPlaybackSnapshot({
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required String ratingKey,
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required String serverId,
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required String mediaTitle,
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}) {
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_session = _session?.copyWith(mediaRatingKey: ratingKey, mediaServerId: serverId, mediaTitle: mediaTitle);
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}
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void _clearCurrentPlaybackSnapshot() {
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final session = _session;
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if (session == null) return;
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_session = WatchSession(
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sessionId: session.sessionId,
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role: session.role,
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controlMode: session.controlMode,
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state: session.state,
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errorMessage: session.errorMessage,
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hostPeerId: session.hostPeerId,
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);
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_lastHandledCurrentPlaybackKey = null;
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}
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void _dispatchCurrentPlayback({
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required String ratingKey,
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required String serverId,
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required String mediaTitle,
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required String source,
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}) {
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final callback = onPlayerMediaSwitched ?? onMediaSwitched;
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if (callback == null) {
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appLogger.d('WatchTogether: No media switch callback set, keeping snapshot from $source only');
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return;
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}
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_lastHandledCurrentPlaybackKey = _buildPlaybackKey(ratingKey, serverId);
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appLogger.d('WatchTogether: Dispatching current playback from $source: $mediaTitle');
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callback(ratingKey, serverId, mediaTitle);
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}
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void markCurrentPlaybackHandled({required String ratingKey, required String serverId}) {
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_lastHandledCurrentPlaybackKey = _buildPlaybackKey(ratingKey, serverId);
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}
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void requestCurrentPlaybackSnapshot() {
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if (isHost || _peerService == null || _session == null || _peerService!.myPeerId == null) {
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return;
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}
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final request = SyncMessage.requestSessionConfig(peerId: _peerService!.myPeerId);
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if (_session!.hostPeerId != null) {
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appLogger.d('WatchTogether: Requesting current playback snapshot from host');
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_peerService!.sendTo(_session!.hostPeerId!, request);
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} else {
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appLogger.d('WatchTogether: Host peer unknown, broadcasting current playback snapshot request');
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_peerService!.broadcast(request);
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}
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}
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/// Wire up reconnection handler to re-announce join and readiness after reconnect
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void _wireReconnectHandler() {
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_peerService!.onReconnected = () {
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_syncManager?.announceJoin(_displayName);
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_syncManager?.reannounceReadyIfNeeded();
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};
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}
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/// Wire up sync manager's state change callback to update provider state
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void _wireSyncStateChanges() {
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_syncManager!.onSyncStateChanged = (isSyncing) {
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_isSyncing = isSyncing;
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notifyListeners();
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};
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_syncManager!.onDeferredPlayChanged = (isDeferredPlay) {
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_isDeferredPlay = isDeferredPlay;
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notifyListeners();
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};
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}
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/// Create a new watch together session as host
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Future<String> createSession({
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required ControlMode controlMode,
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String? displayName,
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String? sessionId,
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String? mediaRatingKey,
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String? mediaServerId,
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String? mediaTitle,
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}) async {
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// Clean up any existing session
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await leaveSession();
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_lastHandledCurrentPlaybackKey = null;
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appLogger.d('WatchTogether: Creating session with control mode: $controlMode');
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final customRelayUrl = SettingsService.instanceOrNull?.getCustomRelayUrl();
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_peerService = WatchTogetherPeerService(customBaseUrl: customRelayUrl);
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_setupPeerServiceListeners();
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try {
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final createdSessionId = await _peerService!.createSession(sessionId: sessionId);
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_session = WatchSession.createAsHost(
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sessionId: createdSessionId,
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hostPeerId: _peerService!.myPeerId!,
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controlMode: controlMode,
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mediaRatingKey: mediaRatingKey,
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mediaServerId: mediaServerId,
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mediaTitle: mediaTitle,
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).copyWith(state: SessionState.connected);
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_displayName = displayName ?? _generateDisplayName();
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_participants.add(Participant(peerId: _peerService!.myPeerId!, displayName: _displayName, isHost: true));
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_syncManager = WatchTogetherSyncManager(
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peerService: _peerService!,
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session: _session!,
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displayName: _displayName,
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);
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_wireSyncStateChanges();
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_wireReconnectHandler();
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notifyListeners();
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appLogger.d('WatchTogether: Session created: $createdSessionId');
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return createdSessionId;
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} catch (e) {
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appLogger.e('WatchTogether: Failed to create session', error: e);
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_session = _session?.copyWith(state: SessionState.error, errorMessage: e.toString());
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notifyListeners();
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rethrow;
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}
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}
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/// Join an existing session as guest
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Future<void> joinSession(String sessionId, {String? displayName}) async {
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// Clean up any existing session
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await leaveSession();
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_lastHandledCurrentPlaybackKey = null;
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appLogger.d('WatchTogether: Joining session: $sessionId');
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final customRelayUrl = SettingsService.instanceOrNull?.getCustomRelayUrl();
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_peerService = WatchTogetherPeerService(customBaseUrl: customRelayUrl);
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_setupPeerServiceListeners();
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_session = WatchSession.joinAsGuest(sessionId: sessionId);
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notifyListeners();
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try {
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await _peerService!.joinSession(sessionId);
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// Session will be fully configured when we receive sessionConfig from host
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_session = _session!.copyWith(state: SessionState.connected, hostPeerId: 'wt-${sessionId.toUpperCase()}');
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_displayName = displayName ?? _generateDisplayName();
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_syncManager = WatchTogetherSyncManager(
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peerService: _peerService!,
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session: _session!,
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displayName: _displayName,
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);
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_syncManager!.onSessionConfigReceived = (controlMode) {
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_session = _session!.copyWith(controlMode: controlMode);
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_syncManager!.updateSession(_session!);
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notifyListeners();
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};
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_wireSyncStateChanges();
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_wireReconnectHandler();
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// Add self to participants
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_participants.add(Participant(peerId: _peerService!.myPeerId!, displayName: _displayName, isHost: false));
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// Announce join to other participants
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_syncManager!.announceJoin(_displayName);
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requestCurrentPlaybackSnapshot();
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notifyListeners();
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appLogger.d('WatchTogether: Joined session successfully');
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} catch (e) {
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appLogger.e('WatchTogether: Failed to join session', error: e);
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_session = _session?.copyWith(state: SessionState.error, errorMessage: e.toString());
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notifyListeners();
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rethrow;
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}
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}
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/// Enter a room by code — joins if it exists, creates if empty.
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///
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/// Returns `true` if the user became the host.
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Future<bool> enterRoom(String sessionId, {ControlMode controlMode = ControlMode.anyone, String? displayName}) async {
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// Probe the relay with a lightweight peer service to check room occupancy,
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// then do a single createSession or joinSession. This avoids the crash-prone
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// join→teardown→create cycle on the provider.
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final customRelayUrl = SettingsService.instanceOrNull?.getCustomRelayUrl();
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final probe = WatchTogetherPeerService(customBaseUrl: customRelayUrl);
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bool shouldBeHost;
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try {
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await probe.joinSession(sessionId);
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shouldBeHost = probe.connectedPeers.isEmpty;
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} on PeerError catch (e) {
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if (e.serverCode == 'room_not_found') {
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shouldBeHost = true;
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} else {
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await probe.disconnect();
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probe.dispose();
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rethrow;
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}
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}
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await probe.disconnect();
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probe.dispose();
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if (shouldBeHost) {
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await createSession(controlMode: controlMode, displayName: displayName, sessionId: sessionId);
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} else {
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await joinSession(sessionId, displayName: displayName);
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}
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return shouldBeHost;
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}
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/// Leave the current session
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Future<void> leaveSession() async {
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if (_session == null) return;
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appLogger.d('WatchTogether: Leaving session');
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// Announce leave if connected
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_syncManager?.announceLeave();
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// Clean up subscriptions
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_peerConnectedSubscription?.cancel();
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_peerDisconnectedSubscription?.cancel();
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_messageSubscription?.cancel();
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_errorSubscription?.cancel();
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_peerConnectedSubscription = null;
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_peerDisconnectedSubscription = null;
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_messageSubscription = null;
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_errorSubscription = null;
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// Cancel host reconnect grace period
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_cancelHostReconnectGracePeriod();
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// Clean up services
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_syncManager?.dispose();
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_syncManager = null;
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await _peerService?.disconnect();
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_peerService?.dispose();
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_peerService = null;
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_session = null;
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_participants.clear();
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_isSyncing = false;
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_isDeferredPlay = false;
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_lastHandledCurrentPlaybackKey = null;
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_lastActionEventMs.clear();
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_hostIntentionallyLeft = false;
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notifyListeners();
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appLogger.d('WatchTogether: Session left');
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}
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/// Attach a player to the sync manager
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void attachPlayer(Player player) {
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if (_syncManager == null) {
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appLogger.w('WatchTogether: Cannot attach player - no sync manager');
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return;
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}
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// Initialize sync manager with existing participants (may have joined before player attached)
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final peerIds = _participants.map((p) => p.peerId).toList();
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_syncManager!.initializeParticipants(peerIds);
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_syncManager!.attachPlayer(player);
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appLogger.d('WatchTogether: Player attached to sync manager');
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}
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/// Detach the player from the sync manager
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void detachPlayer() {
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_syncManager?.detachPlayer();
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appLogger.d('WatchTogether: Player detached from sync manager');
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}
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/// Suppress position sync while the app is backgrounded.
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void setBackgrounded(bool value) {
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_syncManager?.setBackgrounded(value);
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}
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/// Set up listeners for peer service events
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void _setupPeerServiceListeners() {
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_peerConnectedSubscription = _peerService!.onPeerConnected.listen((peerId) {
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appLogger.d('WatchTogether: Peer connected: $peerId');
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// If host reconnected during grace period, cancel the timer
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if (!isHost && peerId == _session?.hostPeerId && _isWaitingForHostReconnect) {
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_cancelHostReconnectGracePeriod();
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}
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if (!isHost && peerId == _session?.hostPeerId) {
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requestCurrentPlaybackSnapshot();
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}
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// Peer will announce themselves with a join message
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notifyListeners();
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});
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_peerDisconnectedSubscription = _peerService!.onPeerDisconnected.listen((peerId) {
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appLogger.d('WatchTogether: Peer disconnected: $peerId');
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// Capture display name before removal for notification
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final disconnectedName = _participants.where((p) => p.peerId == peerId).map((p) => p.displayName).firstOrNull;
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_participants.removeWhere((p) => p.peerId == peerId);
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// If host disconnected unexpectedly, start grace period for reconnection.
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// Skip if the host already sent a deliberate leave message.
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if (!isHost && peerId == _session?.hostPeerId && !_hostIntentionallyLeft) {
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_startHostReconnectGracePeriod();
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} else if (disconnectedName != null) {
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_participantEventController.add(
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ParticipantEvent(displayName: disconnectedName, type: ParticipantEventType.left),
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);
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}
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notifyListeners();
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});
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_messageSubscription = _peerService!.onMessageReceived.listen((message) {
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_handleSyncMessage(message);
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});
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_errorSubscription = _peerService!.onError.listen((error) {
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appLogger.e('WatchTogether: Peer error: ${error.message}');
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// Update session state on error
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if (_session != null && _session!.state == SessionState.connected) {
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_session = _session!.copyWith(state: SessionState.error, errorMessage: error.message);
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notifyListeners();
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}
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});
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}
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/// Handle incoming sync messages for participant management
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void _handleSyncMessage(SyncMessage message) {
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switch (message.type) {
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case SyncMessageType.join:
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if (message.peerId != null && message.displayName != null) {
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// Check if participant already exists
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final existingIndex = _participants.indexWhere((p) => p.peerId == message.peerId);
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if (existingIndex >= 0) {
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// Update existing participant
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_participants[existingIndex] = Participant(
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peerId: message.peerId!,
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displayName: message.displayName!,
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isHost: message.isHost ?? false,
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);
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} else {
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// Add new participant
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_participants.add(
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Participant(peerId: message.peerId!, displayName: message.displayName!, isHost: message.isHost ?? false),
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);
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_participantEventController.add(
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ParticipantEvent(displayName: message.displayName!, type: ParticipantEventType.joined),
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);
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// Send our join info back so the new peer adds us to their
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// participant list. Only reply to NEW peers to avoid an
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// infinite join ping-pong (A→join→B→join→A→...).
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if (_peerService != null) {
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_peerService!.sendTo(
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message.peerId!,
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SyncMessage.join(peerId: _peerService!.myPeerId!, displayName: _displayName, isHost: isHost),
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);
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}
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}
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notifyListeners();
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}
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break;
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case SyncMessageType.leave:
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if (message.peerId != null) {
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final leavingName = _participants
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.where((p) => p.peerId == message.peerId)
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.map((p) => p.displayName)
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.firstOrNull;
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_participants.removeWhere((p) => p.peerId == message.peerId);
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if (leavingName != null) {
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_participantEventController.add(
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ParticipantEvent(displayName: leavingName, type: ParticipantEventType.left),
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);
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}
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// If the host deliberately left, end the session for everyone.
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if (!isHost && message.peerId == _session?.hostPeerId) {
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_hostIntentionallyLeft = true;
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_handleHostExitedPlayer(message);
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leaveSession();
|
|
}
|
|
|
|
notifyListeners();
|
|
}
|
|
break;
|
|
|
|
case SyncMessageType.buffering:
|
|
if (message.peerId != null) {
|
|
final index = _participants.indexWhere((p) => p.peerId == message.peerId);
|
|
if (index >= 0) {
|
|
final newState = message.bufferingState ?? false;
|
|
if (_participants[index].isBuffering != newState) {
|
|
_participants[index] = _participants[index].copyWith(isBuffering: newState);
|
|
if (newState) {
|
|
_emitActionEvent(message.peerId, ParticipantEventType.buffering);
|
|
}
|
|
notifyListeners();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SyncMessageType.positionSync:
|
|
if (message.peerId != null && message.position != null) {
|
|
final index = _participants.indexWhere((p) => p.peerId == message.peerId);
|
|
if (index >= 0) {
|
|
_participants[index] = _participants[index].copyWith(lastKnownPosition: message.position);
|
|
// Don't notify for position updates - too frequent
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SyncMessageType.mediaSwitch:
|
|
_handleMediaSwitch(message);
|
|
break;
|
|
|
|
case SyncMessageType.hostExitedPlayer:
|
|
_handleHostExitedPlayer(message);
|
|
break;
|
|
|
|
case SyncMessageType.sessionConfig:
|
|
_handleSessionConfig(message);
|
|
break;
|
|
|
|
case SyncMessageType.requestSessionConfig:
|
|
// Handled at sync manager level (host responds with config)
|
|
break;
|
|
|
|
case SyncMessageType.play:
|
|
_emitActionEvent(message.peerId, ParticipantEventType.resumed);
|
|
break;
|
|
|
|
case SyncMessageType.pause:
|
|
_emitActionEvent(message.peerId, ParticipantEventType.paused);
|
|
break;
|
|
|
|
case SyncMessageType.seek:
|
|
_emitActionEvent(message.peerId, ParticipantEventType.seeked);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/// Emit an action event for a remote peer (with 1s debounce per peer+type)
|
|
void _emitActionEvent(String? peerId, ParticipantEventType type) {
|
|
if (peerId == null || peerId == _peerService?.myPeerId) return;
|
|
|
|
final key = '$peerId:${type.name}';
|
|
final now = DateTime.now().millisecondsSinceEpoch;
|
|
final last = _lastActionEventMs[key] ?? 0;
|
|
if (now - last < 1000) return;
|
|
_lastActionEventMs[key] = now;
|
|
|
|
final name = _participants.where((p) => p.peerId == peerId).map((p) => p.displayName).firstOrNull;
|
|
if (name != null) {
|
|
_participantEventController.add(ParticipantEvent(displayName: name, type: type));
|
|
}
|
|
}
|
|
|
|
/// Handle session config from host (guest only)
|
|
/// This is handled at provider level so it's processed even before player is attached
|
|
void _handleSessionConfig(SyncMessage message) {
|
|
if (isHost) return; // Host doesn't need to process config
|
|
|
|
if (message.controlMode != null) {
|
|
appLogger.d('WatchTogether: Received session config, controlMode: ${message.controlMode}');
|
|
_session = _session!.copyWith(controlMode: message.controlMode);
|
|
_syncManager?.updateSession(_session!); // Update sync manager if it exists
|
|
notifyListeners();
|
|
}
|
|
|
|
if (message.ratingKey != null && message.serverId != null && message.mediaTitle != null) {
|
|
final playbackKey = _buildPlaybackKey(message.ratingKey, message.serverId);
|
|
final shouldDispatch = playbackKey != _lastHandledCurrentPlaybackKey;
|
|
|
|
_updateCurrentPlaybackSnapshot(
|
|
ratingKey: message.ratingKey!,
|
|
serverId: message.serverId!,
|
|
mediaTitle: message.mediaTitle!,
|
|
);
|
|
notifyListeners();
|
|
|
|
if (shouldDispatch) {
|
|
_dispatchCurrentPlayback(
|
|
ratingKey: message.ratingKey!,
|
|
serverId: message.serverId!,
|
|
mediaTitle: message.mediaTitle!,
|
|
source: 'session config',
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Called when user seeks locally (to broadcast to peers)
|
|
void onLocalSeek(Duration position) {
|
|
_syncManager?.onLocalSeek(position);
|
|
}
|
|
|
|
/// Whether the current user can control playback
|
|
bool canControl() {
|
|
if (_session == null) return true; // Not in session, can control
|
|
if (_session!.controlMode == ControlMode.anyone) return true;
|
|
return isHost;
|
|
}
|
|
|
|
/// Set the current media (host only) and broadcast to guests
|
|
///
|
|
/// Call this when the host starts playing new content.
|
|
/// Guests will receive a media switch notification and should navigate.
|
|
void setCurrentMedia({required String ratingKey, required String serverId, required String mediaTitle}) {
|
|
if (!isHost || _session == null || _peerService == null) {
|
|
appLogger.w('WatchTogether: Cannot set media - not host or not in session');
|
|
return;
|
|
}
|
|
|
|
appLogger.d('WatchTogether: Host setting current media: $mediaTitle (ratingKey: $ratingKey)');
|
|
|
|
// Update session with new media info
|
|
_session = _session!.copyWith(mediaRatingKey: ratingKey, mediaServerId: serverId, mediaTitle: mediaTitle);
|
|
|
|
// Broadcast media switch to all guests
|
|
_peerService!.broadcast(
|
|
SyncMessage.mediaSwitch(
|
|
ratingKey: ratingKey,
|
|
serverId: serverId,
|
|
mediaTitle: mediaTitle,
|
|
peerId: _peerService!.myPeerId,
|
|
),
|
|
);
|
|
|
|
notifyListeners();
|
|
}
|
|
|
|
/// Handle media switch message from host (guest only)
|
|
void _handleMediaSwitch(SyncMessage message) {
|
|
if (isHost) return; // Host doesn't need to handle their own switch
|
|
|
|
if (message.ratingKey == null || message.serverId == null || message.mediaTitle == null) {
|
|
appLogger.w('WatchTogether: Received incomplete media switch message');
|
|
return;
|
|
}
|
|
|
|
final playbackKey = _buildPlaybackKey(message.ratingKey, message.serverId);
|
|
final shouldDispatch = playbackKey != _lastHandledCurrentPlaybackKey;
|
|
|
|
_updateCurrentPlaybackSnapshot(
|
|
ratingKey: message.ratingKey!,
|
|
serverId: message.serverId!,
|
|
mediaTitle: message.mediaTitle!,
|
|
);
|
|
notifyListeners();
|
|
|
|
if (!shouldDispatch) {
|
|
appLogger.d('WatchTogether: Ignoring duplicate media switch for ${message.ratingKey}');
|
|
return;
|
|
}
|
|
|
|
appLogger.d('WatchTogether: Received media switch: ${message.mediaTitle}');
|
|
_dispatchCurrentPlayback(
|
|
ratingKey: message.ratingKey!,
|
|
serverId: message.serverId!,
|
|
mediaTitle: message.mediaTitle!,
|
|
source: 'media switch',
|
|
);
|
|
}
|
|
|
|
/// Notify guests that host is exiting the video player
|
|
///
|
|
/// Call this from video player dispose when host exits.
|
|
void notifyHostExitedPlayer() {
|
|
if (!isHost || _session == null || _peerService == null) {
|
|
return;
|
|
}
|
|
|
|
appLogger.d('WatchTogether: Host exiting player, notifying guests');
|
|
|
|
_peerService!.broadcast(SyncMessage.hostExitedPlayer(peerId: _peerService!.myPeerId));
|
|
}
|
|
|
|
/// Handle host exited player message (guest only)
|
|
void _handleHostExitedPlayer(SyncMessage _) {
|
|
if (isHost) return; // Host doesn't need to handle their own exit
|
|
|
|
appLogger.d('WatchTogether: Host exited player, callback set: ${onHostExitedPlayer != null}');
|
|
|
|
_clearCurrentPlaybackSnapshot();
|
|
|
|
// Clear the player callback BEFORE popping so that any mediaSwitch message
|
|
// arriving during the pop animation routes to MainScreen's handler instead
|
|
// of the dying VideoPlayerScreen.
|
|
onPlayerMediaSwitched = null;
|
|
notifyListeners();
|
|
|
|
// Trigger callback for the app to navigate guest out of player
|
|
if (onHostExitedPlayer != null) {
|
|
onHostExitedPlayer!.call();
|
|
} else {
|
|
appLogger.w('WatchTogether: onHostExitedPlayer callback not set!');
|
|
}
|
|
}
|
|
|
|
/// Start a grace period for host reconnection (guest only)
|
|
void _startHostReconnectGracePeriod() {
|
|
_cancelHostReconnectGracePeriod();
|
|
_isWaitingForHostReconnect = true;
|
|
appLogger.d('WatchTogether: Host disconnected, waiting 15s for reconnection');
|
|
notifyListeners();
|
|
|
|
_hostReconnectTimer = Timer(const Duration(seconds: 15), () {
|
|
if (_isWaitingForHostReconnect) {
|
|
appLogger.d('WatchTogether: Host reconnect grace period expired');
|
|
_isWaitingForHostReconnect = false;
|
|
_session = _session?.copyWith(state: SessionState.error, errorMessage: 'Host left the session');
|
|
onHostExitedPlayer?.call();
|
|
notifyListeners();
|
|
}
|
|
});
|
|
}
|
|
|
|
/// Cancel host reconnect grace period
|
|
void _cancelHostReconnectGracePeriod() {
|
|
_hostReconnectTimer?.cancel();
|
|
_hostReconnectTimer = null;
|
|
if (_isWaitingForHostReconnect) {
|
|
_isWaitingForHostReconnect = false;
|
|
appLogger.d('WatchTogether: Host reconnected, grace period cancelled');
|
|
notifyListeners();
|
|
}
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_disposed = true;
|
|
_cancelHostReconnectGracePeriod();
|
|
_participantEventController.close();
|
|
leaveSession();
|
|
super.dispose();
|
|
}
|
|
}
|
|
|
|
/// Type of participant event
|
|
enum ParticipantEventType { joined, left, paused, resumed, seeked, buffering }
|
|
|
|
/// Event emitted when a participant joins or leaves
|
|
class ParticipantEvent {
|
|
final String displayName;
|
|
final ParticipantEventType type;
|
|
|
|
const ParticipantEvent({required this.displayName, required this.type});
|
|
}
|