Files
meshcore-sar_android/lib/screens/messages_tab.dart
2026-03-06 21:22:51 +01:00

2065 lines
82 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:io' show Platform;
import 'package:flutter/foundation.dart' show kIsWeb;
import 'dart:math' as math;
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';
import 'package:geolocator/geolocator.dart';
import '../providers/messages_provider.dart';
import '../providers/contacts_provider.dart';
import '../providers/map_provider.dart';
import '../providers/connection_provider.dart';
import '../providers/drawing_provider.dart';
import '../providers/voice_provider.dart';
import '../providers/app_provider.dart';
import '../models/message.dart';
import '../models/contact.dart';
import '../widgets/messages/sar_update_sheet.dart';
import '../widgets/messages/recipient_selector_sheet.dart';
import '../widgets/messages/message_bubble.dart';
import '../services/message_destination_preferences.dart';
import '../services/voice_bitrate_preferences.dart';
import '../services/voice_recorder_service.dart';
import '../services/voice_codec_service.dart';
import '../utils/toast_logger.dart';
import '../utils/key_comparison.dart';
import '../utils/voice_message_parser.dart';
import '../utils/image_message_parser.dart';
import '../utils/tictactoe_message_parser.dart';
import '../providers/image_provider.dart' as ip;
import '../services/image_codec_service.dart';
import '../services/image_preferences.dart';
import 'package:image_picker/image_picker.dart';
import '../l10n/app_localizations.dart';
class MessagesTab extends StatefulWidget {
final VoidCallback? onNavigateToMap;
const MessagesTab({super.key, this.onNavigateToMap});
@override
State<MessagesTab> createState() => _MessagesTabState();
}
class _MessagesTabState extends State<MessagesTab> {
static const int _maxContactMessageBytes = 156;
static const int _maxChannelMessageBytes = 127;
final TextEditingController _textController = TextEditingController();
final FocusNode _focusNode = FocusNode();
final ScrollController _scrollController = ScrollController();
int _messageByteCount = 0;
String? _highlightedMessageId;
Timer? _highlightTimer; // Timer for clearing message highlight
// Message destination state
String _destinationType =
MessageDestinationPreferences.destinationTypeChannel;
Contact? _selectedRecipient;
// Image sending state
bool _isSendingImage = false;
final ImagePicker _imagePicker = ImagePicker();
// Voice recording state
final VoiceRecorderService _voiceRecorder = VoiceRecorderService();
bool _isRecording = false;
bool _isSendingVoice = false;
static const int _maxVoicePackets = 10;
static const double _silenceRmsThreshold = 500.0;
static const double _silencePeakThreshold = 1400.0;
static const int _maxInteriorSilentChunks = 2;
bool get _voiceSupported => !kIsWeb && (Platform.isIOS || Platform.isAndroid);
StreamSubscription<Int16List>? _voiceStreamSub;
String? _currentVoiceSessionId;
final List<Int16List> _recordedChunks = [];
VoicePacketMode? _activeVoiceMode;
int _selectedVoiceBitrate = VoiceBitratePreferences.defaultBitrate;
@override
void initState() {
super.initState();
_textController.addListener(_updateCharacterCount);
// Load saved message destination
_loadSavedDestination();
_loadVoiceBitrate();
// Mark all messages as read when tab is opened
WidgetsBinding.instance.addPostFrameCallback((_) {
context.read<MessagesProvider>().markAllAsRead();
_checkForNavigationRequest();
});
}
Future<void> _loadVoiceBitrate() async {
final bitrate = await VoiceBitratePreferences.getBitrate();
if (!mounted) return;
setState(() {
_selectedVoiceBitrate = bitrate;
});
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
// Reload saved destination and check for navigation request whenever dependencies change
WidgetsBinding.instance.addPostFrameCallback((_) {
_loadSavedDestination();
_checkForNavigationRequest();
});
}
@override
void dispose() {
_highlightTimer?.cancel();
_voiceStreamSub?.cancel();
_voiceRecorder.dispose();
_textController.dispose();
_focusNode.dispose();
_scrollController.dispose();
super.dispose();
}
void _checkForNavigationRequest() {
final messagesProvider = context.read<MessagesProvider>();
final targetMessageId = messagesProvider.targetMessageId;
if (targetMessageId != null) {
_scrollToMessage(targetMessageId);
messagesProvider.clearMessageNavigation();
}
}
void _scrollToMessage(String messageId) {
final messagesProvider = context.read<MessagesProvider>();
final messages = _getFilteredMessages(messagesProvider);
final messageIndex = messages.indexWhere((m) => m.id == messageId);
if (messageIndex != -1 && _scrollController.hasClients) {
// Calculate position - accounting for reverse list
final itemHeight = 80.0; // Approximate height of a message bubble
final targetOffset = messageIndex * itemHeight;
// Scroll to the message
_scrollController.animateTo(
targetOffset,
duration: const Duration(milliseconds: 500),
curve: Curves.easeInOut,
);
// Highlight the message briefly
setState(() {
_highlightedMessageId = messageId;
});
// Clear highlight after 2 seconds using a properly managed Timer
_highlightTimer?.cancel();
_highlightTimer = Timer(const Duration(seconds: 2), () {
if (mounted) {
setState(() {
_highlightedMessageId = null;
});
}
});
}
}
void _updateCharacterCount() {
setState(() {
_messageByteCount = utf8.encode(_textController.text).length;
});
}
int get _maxMessageBytes =>
_destinationType == MessageDestinationPreferences.destinationTypeChannel
? _maxChannelMessageBytes
: _maxContactMessageBytes;
TextInputFormatter get _messageByteLimiter =>
TextInputFormatter.withFunction((oldValue, newValue) {
if (utf8.encode(newValue.text).length <= _maxMessageBytes) {
return newValue;
}
return oldValue;
});
void _enforceMessageByteLimit() {
final currentText = _textController.text;
if (utf8.encode(currentText).length <= _maxMessageBytes) {
_updateCharacterCount();
return;
}
var truncated = currentText;
while (truncated.isNotEmpty &&
utf8.encode(truncated).length > _maxMessageBytes) {
truncated = truncated.substring(0, truncated.length - 1);
}
_textController.value = _textController.value.copyWith(
text: truncated,
selection: TextSelection.collapsed(offset: truncated.length),
composing: TextRange.empty,
);
_updateCharacterCount();
}
/// Load saved message destination from preferences
Future<void> _loadSavedDestination() async {
final savedDestination =
await MessageDestinationPreferences.getDestination();
if (savedDestination == null || !mounted) {
// Default to public channel
return;
}
final type = savedDestination['type']!;
final publicKey = savedDestination['publicKey'];
setState(() {
_destinationType = type;
});
// If it's a contact or room, try to find it in the contacts list
if (publicKey != null && mounted) {
final contactsProvider = context.read<ContactsProvider>();
final contact = contactsProvider.contacts.where((c) {
return c.publicKeyHex == publicKey;
}).firstOrNull;
if (contact != null) {
setState(() {
_selectedRecipient = contact;
});
} else {
// Contact/room not found, fallback to public channel
debugPrint(
'⚠️ [MessagesTab] Saved recipient not found, falling back to public channel',
);
setState(() {
_destinationType =
MessageDestinationPreferences.destinationTypeChannel;
_selectedRecipient = null;
});
await MessageDestinationPreferences.clearDestination();
}
}
_enforceMessageByteLimit();
}
/// Show recipient selector bottom sheet
void _showRecipientSelector() {
final contactsProvider = context.read<ContactsProvider>();
// Filter contacts by type
final contacts = contactsProvider.contacts
.where((c) => c.type == ContactType.chat)
.toList();
final rooms = contactsProvider.contacts
.where((c) => c.type == ContactType.room)
.toList();
final channels = contactsProvider.contacts
.where((c) => c.type == ContactType.channel)
.toList();
showModalBottomSheet(
context: context,
isScrollControlled: true,
backgroundColor: Colors.transparent,
builder: (context) => RecipientSelectorSheet(
contacts: contacts,
rooms: rooms,
channels: channels,
currentDestinationType: _destinationType,
currentRecipientPublicKey: _selectedRecipient?.publicKeyHex,
onSelect: _onRecipientSelected,
),
);
}
/// Handle recipient selection
Future<void> _onRecipientSelected(String type, Contact? recipient) async {
setState(() {
_destinationType = type;
_selectedRecipient = recipient;
});
_enforceMessageByteLimit();
// Save to preferences
await MessageDestinationPreferences.setDestination(
type,
recipientPublicKey: recipient?.publicKeyHex,
);
// Show confirmation toast
if (!mounted) return;
}
/// Get icon for current destination type
IconData _getDestinationIcon() {
if (_destinationType ==
MessageDestinationPreferences.destinationTypeChannel) {
return Icons.public;
} else if (_destinationType ==
MessageDestinationPreferences.destinationTypeRoom) {
return Icons.meeting_room;
} else {
return Icons.person;
}
}
/// Get tooltip for destination button
String _getDestinationTooltip() {
if (_destinationType ==
MessageDestinationPreferences.destinationTypeChannel &&
_selectedRecipient != null) {
final channelName = _selectedRecipient!.getLocalizedDisplayName(context);
return '$channelName (tap to change)';
} else if (_selectedRecipient != null) {
final recipientName = _selectedRecipient!.displayName;
return '$recipientName (tap to change)';
}
return 'Select recipient';
}
String _getDestinationLabel() {
if (_destinationType ==
MessageDestinationPreferences.destinationTypeChannel &&
_selectedRecipient != null) {
return _selectedRecipient!.getLocalizedDisplayName(context);
}
if (_selectedRecipient != null) {
return _selectedRecipient!.displayName;
}
return 'Public Channel';
}
Future<void> _sendMessage() async {
final text = _textController.text.trim();
if (text.isEmpty) return;
final connectionProvider = context.read<ConnectionProvider>();
final messagesProvider = context.read<MessagesProvider>();
final contactsProvider = context.read<ContactsProvider>();
if (!connectionProvider.deviceInfo.isConnected) {
if (!mounted) return;
ToastLogger.error(context, 'Not connected to device');
return;
}
try {
// Check destination type and send accordingly
if (_destinationType ==
MessageDestinationPreferences.destinationTypeChannel) {
// Send to selected channel (or public channel if none selected)
final channelIdx =
_selectedRecipient?.publicKey[1] ??
0; // Extract channel index from pseudo public key
await _sendToChannel(
text,
connectionProvider,
messagesProvider,
channelIdx,
);
} else if (_selectedRecipient != null) {
// Send to contact or room
await _sendToRecipient(
text,
connectionProvider,
messagesProvider,
contactsProvider,
);
} else {
// Fallback to public channel if no recipient selected
debugPrint(
'⚠️ [MessagesTab] No recipient selected, falling back to public channel',
);
await _sendToChannel(text, connectionProvider, messagesProvider, 0);
}
_textController.clear();
_focusNode.unfocus();
if (!mounted) return;
} catch (e) {
if (!mounted) return;
ToastLogger.error(context, 'Failed to send: $e');
}
}
/// Send message to channel
Future<void> _sendToChannel(
String text,
ConnectionProvider connectionProvider,
MessagesProvider messagesProvider,
int channelIdx,
) async {
// Create message ID
final messageId = '${DateTime.now().millisecondsSinceEpoch}_channel_sent';
final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
// Get current device's public key (first 6 bytes)
final devicePublicKey = connectionProvider.deviceInfo.publicKey;
final senderPublicKeyPrefix = devicePublicKey?.sublist(0, 6);
// Create sent message object
final sentMessage = Message(
id: messageId,
messageType: MessageType.channel,
senderPublicKeyPrefix: senderPublicKeyPrefix,
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: timestamp,
text: text,
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.sending,
channelIdx: channelIdx,
);
// Add to messages list with "sending" status
messagesProvider.addSentMessage(sentMessage, contact: _selectedRecipient);
// Send to selected channel
await connectionProvider.sendChannelMessage(
channelIdx: channelIdx,
text: text,
messageId: messageId,
);
}
/// Send message to contact or room
Future<void> _sendToRecipient(
String text,
ConnectionProvider connectionProvider,
MessagesProvider messagesProvider,
ContactsProvider contactsProvider,
) async {
if (_selectedRecipient == null) return;
// Create message ID
final messageId = '${DateTime.now().millisecondsSinceEpoch}_sent';
final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
// Get current device's public key (first 6 bytes)
final devicePublicKey = connectionProvider.deviceInfo.publicKey;
final senderPublicKeyPrefix = devicePublicKey?.sublist(0, 6);
// Create sent message object with recipient public key for retry support
final sentMessage = Message(
id: messageId,
messageType: MessageType.contact,
senderPublicKeyPrefix: senderPublicKeyPrefix,
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: timestamp,
text: text,
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.sending,
recipientPublicKey: _selectedRecipient!.publicKey,
);
// Add to messages list with "sending" status
messagesProvider.addSentMessage(
sentMessage,
contact: _selectedRecipient,
);
// Send message to selected recipient
final sentSuccessfully = await connectionProvider.sendTextMessage(
contactPublicKey: _selectedRecipient!.publicKey,
text: text,
messageId: messageId,
contact: _selectedRecipient,
);
if (!sentSuccessfully) {
// Mark message as failed if sending failed
messagesProvider.markMessageFailed(messageId);
}
}
Future<void> _startTicTacToeGame() async {
if (!mounted) return;
if (_destinationType !=
MessageDestinationPreferences.destinationTypeContact ||
_selectedRecipient == null) {
ToastLogger.warning(
context,
'Tic-Tac-Toe works only in direct messages. Choose a contact first.',
);
return;
}
final connectionProvider = context.read<ConnectionProvider>();
final messagesProvider = context.read<MessagesProvider>();
final contactsProvider = context.read<ContactsProvider>();
if (!connectionProvider.deviceInfo.isConnected) {
ToastLogger.error(context, 'Not connected to device');
return;
}
final devicePublicKey = connectionProvider.deviceInfo.publicKey;
if (devicePublicKey == null || devicePublicKey.length < 6) {
ToastLogger.error(context, 'Device key unavailable');
return;
}
final gameId = List.generate(
8,
(_) => math.Random.secure().nextInt(16).toRadixString(16),
).join();
final starterKey6 = devicePublicKey
.sublist(0, 6)
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join('');
final startMessage = TicTacToeMessageParser.encodeStart(
gameId: gameId,
starterKey6: starterKey6,
timestampSec: DateTime.now().millisecondsSinceEpoch ~/ 1000,
);
await _sendToRecipient(
startMessage,
connectionProvider,
messagesProvider,
contactsProvider,
);
}
// ── Image sending ───────────────────────────────────────────────────────────
Future<void> _pickAndSendImage({
ImageSource source = ImageSource.gallery,
}) async {
if (_isSendingImage) return;
final shouldContinue = await _confirmPublicChannelMediaSend('image');
if (!shouldContinue) return;
if (!mounted) return;
final connectionProvider = context.read<ConnectionProvider>();
if (!connectionProvider.deviceInfo.isConnected) {
ToastLogger.error(context, 'Not connected to device');
return;
}
// Pick image.
final picked = await _imagePicker.pickImage(source: source);
if (picked == null) return;
final rawBytes = await picked.readAsBytes();
setState(() => _isSendingImage = true);
try {
// Compress AVIF using user-selected size, compression and color mode.
final maxSize = await ImagePreferences.getMaxSize();
final compression = await ImagePreferences.getCompression();
final grayscale = await ImagePreferences.getGrayscale();
final ultraMode = await ImagePreferences.getUltraMode();
final effectiveMaxSize = ImagePreferences.effectiveMaxSize(
maxSize,
ultraMode: ultraMode,
);
final result = await ImageCodecService.compress(
rawBytes,
maxDimension: effectiveMaxSize,
compression: compression,
grayscale: grayscale,
ultraMode: ultraMode,
);
if (result == null) {
if (!mounted) return;
ToastLogger.error(context, 'Image compression failed');
return;
}
final compressed = result.bytes;
// Generate session ID (4 random bytes → 8 hex chars).
final sessionId = List.generate(
8,
(_) => math.Random().nextInt(16).toRadixString(16),
).join();
// Fragment.
var imageDataBytesPerFragment = ImagePacket.maxDataBytes;
if (_destinationType ==
MessageDestinationPreferences.destinationTypeContact &&
_selectedRecipient != null &&
_selectedRecipient!.outPathLen >= 0) {
imageDataBytesPerFragment = safeImageDataBytesForPath(
_selectedRecipient!.outPathLen,
);
}
final fragments = fragmentImage(
sessionId: sessionId,
format: ImageFormat.avif,
bytes: compressed,
maxDataBytes: imageDataBytesPerFragment,
);
if (fragments.isEmpty) {
if (!mounted) return;
ToastLogger.error(context, 'Image fragmentation failed');
return;
}
// Build envelope.
final deviceKey = connectionProvider.deviceInfo.publicKey;
if (deviceKey == null || deviceKey.length < 6) {
if (!mounted) return;
ToastLogger.error(context, 'Device key unavailable');
return;
}
final senderKey6 = deviceKey
.sublist(0, 6)
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join();
final envelope = ImageEnvelope(
sessionId: sessionId,
format: ImageFormat.avif,
total: fragments.length,
width: result.width,
height: result.height,
sizeBytes: compressed.length,
senderKey6: senderKey6,
timestampSec: DateTime.now().millisecondsSinceEpoch ~/ 1000,
);
if (!mounted) return;
// Cache for deferred serving.
final imageProvider = context.read<ip.ImageProvider>();
imageProvider.cacheOutgoingSession(sessionId, fragments, envelope);
// Add local placeholder message.
final messagesProvider = context.read<MessagesProvider>();
final msgId = 'img_${sessionId}_sent';
final isChannel =
_destinationType ==
MessageDestinationPreferences.destinationTypeChannel;
final channelIdx = isChannel
? (_selectedRecipient?.publicKey[1] ?? 0)
: null;
final recipient = _selectedRecipient;
final placeholder = Message(
id: msgId,
messageType: isChannel ? MessageType.channel : MessageType.contact,
channelIdx: channelIdx,
senderPublicKeyPrefix: deviceKey.sublist(0, 6),
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: DateTime.now().millisecondsSinceEpoch ~/ 1000,
text: envelope.encode(),
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.sending,
recipientPublicKey: isChannel ? null : recipient?.publicKey,
);
messagesProvider.addSentMessage(placeholder, contact: recipient);
// Send IE1 envelope via normal message path.
final envelopeText = envelope.encode();
if (isChannel) {
await connectionProvider.sendChannelMessage(
channelIdx: channelIdx ?? 0,
text: envelopeText,
messageId: msgId,
);
} else if (recipient != null) {
final sent = await connectionProvider.sendTextMessage(
contactPublicKey: recipient.publicKey,
text: envelopeText,
messageId: msgId,
contact: recipient,
);
if (!sent) {
messagesProvider.markMessageFailed(msgId);
if (!mounted) return;
ToastLogger.error(context, 'Failed to announce image');
return;
}
} else {
messagesProvider.markMessageFailed(msgId);
if (!mounted) return;
ToastLogger.error(context, 'No recipient selected');
return;
}
debugPrint(
'📷 [Image] Sent IE1 for session $sessionId: '
'${fragments.length} fragments, ${compressed.length}B, '
'chunk=${imageDataBytesPerFragment}B',
);
// Image fragments are always served on demand after an explicit IR2
// fetch request, including direct contacts.
} catch (e, st) {
debugPrint('❌ [Image] _pickAndSendImage: $e\n$st');
if (!mounted) return;
ToastLogger.error(context, 'Image send failed');
} finally {
if (mounted) setState(() => _isSendingImage = false);
}
}
// ── Voice recording ────────────────────────────────────────────────────────
Future<void> _startVoiceRecording() async {
if (_isSendingVoice || _isRecording) return;
debugPrint('🎙️ [Voice] _startVoiceRecording called');
// Read fresh bitrate preference so settings changes apply immediately.
final selectedBitrate = await VoiceBitratePreferences.getBitrate();
if (mounted) {
setState(() {
_selectedVoiceBitrate = selectedBitrate;
});
} else {
_selectedVoiceBitrate = selectedBitrate;
}
final hasPermission = await _voiceRecorder.requestPermission();
debugPrint('🎙️ [Voice] hasPermission=$hasPermission');
if (!hasPermission) {
if (!mounted) return;
ToastLogger.error(context, 'Microphone permission required for voice');
return;
}
if (!mounted) return;
final appProvider = context.read<AppProvider>();
final connectionProvider = context.read<ConnectionProvider>();
debugPrint(
'🎙️ [Voice] isConnected=${connectionProvider.deviceInfo.isConnected}',
);
if (!connectionProvider.deviceInfo.isConnected) {
ToastLogger.error(context, 'Not connected to device');
return;
}
// Generate a new session ID (4 random bytes → 8 hex chars)
final rng = math.Random.secure();
_currentVoiceSessionId = List.generate(
4,
(_) => rng.nextInt(256),
).map((b) => b.toRadixString(16).padLeft(2, '0')).join();
_activeVoiceMode = VoiceBitratePreferences.toVoiceMode(
_selectedVoiceBitrate,
);
final packetDuration = Duration(
milliseconds: codec2ModeFor(_activeVoiceMode!).packetDurationMs,
);
debugPrint(
'🎙️ [Voice] session=$_currentVoiceSessionId mode=$_activeVoiceMode chunkDuration=${packetDuration.inMilliseconds}ms',
);
_recordedChunks.clear();
setState(() => _isRecording = true);
try {
final stream = _voiceRecorder.startCapture(
chunkDuration: packetDuration,
enableBandPassFilter: appProvider.isVoiceBandPassFilterEnabled,
enableCompressor: appProvider.isVoiceCompressorEnabled,
enableLimiter: appProvider.isVoiceLimiterEnabled,
);
debugPrint('🎙️ [Voice] capture started, listening for chunks...');
_voiceStreamSub = stream.listen(
(pcmChunk) {
if (!_isRecording) return;
_recordedChunks.add(pcmChunk);
debugPrint(
'🎙️ [Voice] chunk #${_recordedChunks.length} received: ${pcmChunk.length} samples',
);
setState(() {});
if (_recordedChunks.length >= _maxVoicePackets) {
debugPrint('🎙️ [Voice] max packets reached, stopping');
_stopAndSendVoice();
}
},
onError: (e) {
debugPrint('❌ [Voice] stream error: $e');
_stopAndSendVoice();
},
onDone: () => debugPrint('🎙️ [Voice] stream done'),
);
} catch (e) {
debugPrint('❌ [Voice] startCapture threw: $e');
if (mounted) setState(() => _isRecording = false);
}
}
Future<void> _stopAndSendVoice() async {
if (!_isRecording) return;
final trimSilenceEnabled = context
.read<AppProvider>()
.isVoiceSilenceTrimmingEnabled;
debugPrint(
'🎙️ [Voice] _stopAndSendVoice: ${_recordedChunks.length} chunks buffered',
);
await _voiceStreamSub?.cancel();
_voiceStreamSub = null;
await _voiceRecorder.stopCapture();
final rawChunks = List<Int16List>.from(_recordedChunks);
final chunks = trimSilenceEnabled ? _trimSilence(rawChunks) : rawChunks;
final sessionId = _currentVoiceSessionId;
final mode = _activeVoiceMode;
_recordedChunks.clear();
debugPrint(
'🎙️ [Voice] silence trim enabled=$trimSilenceEnabled: raw=${rawChunks.length} chunks -> kept=${chunks.length} chunks',
);
if (mounted) {
setState(() {
_isRecording = false;
_isSendingVoice = chunks.isNotEmpty && sessionId != null;
});
}
if (chunks.isEmpty || sessionId == null || mode == null || !mounted) {
if (mounted) {
setState(() {
_isSendingVoice = false;
_currentVoiceSessionId = null;
});
}
return;
}
final shouldContinue = await _confirmPublicChannelMediaSend('voice');
if (!shouldContinue) {
if (mounted) {
setState(() {
_isSendingVoice = false;
_currentVoiceSessionId = null;
});
}
return;
}
try {
await _encodeAndSendAllPackets(
chunks: chunks,
sessionId: sessionId,
mode: mode,
);
} catch (e, st) {
debugPrint('❌ [Voice] _encodeAndSendAllPackets threw: $e\n$st');
} finally {
debugPrint(
'🎙️ [Voice] _stopAndSendVoice finally: resetting _isSendingVoice',
);
if (mounted) {
setState(() {
_isSendingVoice = false;
_currentVoiceSessionId = null;
});
}
}
}
Future<void> _encodeAndSendAllPackets({
required List<Int16List> chunks,
required String sessionId,
required VoicePacketMode mode,
}) async {
final total = chunks.length;
final codec = VoiceCodecService();
final connectionProvider = context.read<ConnectionProvider>();
final messagesProvider = context.read<MessagesProvider>();
final voiceProvider = context.read<VoiceProvider>();
final msgId = 'voice_${sessionId}_sent';
final devicePublicKey = connectionProvider.deviceInfo.publicKey;
final senderPublicKeyPrefix =
devicePublicKey != null && devicePublicKey.length >= 6
? devicePublicKey.sublist(0, 6)
: null;
final isChannel =
_destinationType ==
MessageDestinationPreferences.destinationTypeChannel;
final recipient = _selectedRecipient;
final channelIdx = isChannel ? (recipient?.publicKey[1] ?? 0) : null;
final encodedPackets = <VoicePacket>[];
debugPrint(
'🎙️ [Voice] encoding $total packets for deferred voice fetch, mode=${mode.label}, session=$sessionId',
);
for (var i = 0; i < total; i++) {
if (!mounted) return;
try {
final codec2Data = await codec.encode(chunks[i], mode);
debugPrint(
'🎙️ [Voice] packet $i/$total encoded: ${codec2Data.length} bytes',
);
final packet = VoicePacket(
sessionId: sessionId,
mode: mode,
index: i,
total: total,
codec2Data: codec2Data,
);
encodedPackets.add(packet);
voiceProvider.addPacket(packet);
} catch (e, st) {
debugPrint('❌ [Voice] packet $i encode error: $e\n$st');
}
}
if (encodedPackets.isEmpty) {
debugPrint('❌ [Voice] No packets encoded for session $sessionId');
messagesProvider.markMessageFailed(msgId);
return;
}
voiceProvider.cacheOutgoingSession(sessionId, encodedPackets);
if (senderPublicKeyPrefix == null || senderPublicKeyPrefix.length < 6) {
debugPrint('❌ [Voice] Missing device public key prefix for envelope');
messagesProvider.markMessageFailed(msgId);
return;
}
final senderKey6 = senderPublicKeyPrefix
.map((b) => b.toRadixString(16).padLeft(2, '0'))
.join('');
final durationMs = encodedPackets.fold<int>(
0,
(sum, p) => sum + p.durationMs,
);
final envelope = VoiceEnvelope(
sessionId: sessionId,
mode: mode,
total: encodedPackets.length,
durationMs: durationMs,
senderKey6: senderKey6,
timestampSec: DateTime.now().millisecondsSinceEpoch ~/ 1000,
version: 1,
);
final envelopeText = envelope.encodeText();
// Insert placeholder with real VE1 envelope text so technical details are populated.
final sentMsg = Message(
id: msgId,
messageType: (!isChannel && recipient != null)
? MessageType.contact
: MessageType.channel,
senderPublicKeyPrefix: senderPublicKeyPrefix,
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: DateTime.now().millisecondsSinceEpoch ~/ 1000,
text: envelopeText,
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.sent,
isVoice: true,
voiceId: sessionId,
channelIdx: channelIdx,
recipientPublicKey: isChannel ? null : recipient?.publicKey,
);
messagesProvider.addSentMessage(sentMsg, contact: recipient);
try {
if (isChannel) {
await connectionProvider.sendChannelMessage(
channelIdx: channelIdx ?? 0,
text: envelopeText,
messageId: msgId,
);
} else if (recipient != null) {
final sentSuccessfully = await connectionProvider.sendTextMessage(
contactPublicKey: recipient.publicKey,
text: envelopeText,
messageId: msgId,
contact: recipient,
);
if (!sentSuccessfully) {
messagesProvider.markMessageFailed(msgId);
return;
}
} else {
messagesProvider.markMessageFailed(msgId);
if (!mounted) return;
ToastLogger.error(context, 'No recipient selected');
return;
}
} catch (e, st) {
debugPrint('❌ [Voice] envelope send error: $e\n$st');
messagesProvider.markMessageFailed(msgId);
return;
}
debugPrint('🎙️ [Voice] envelope sent for session $sessionId');
// Mark the placeholder message as "sent" (ackTag=0, timeout=0 = no ACK tracking).
// addSentMessage() forces deliveryStatus.sending; we upgrade it here so the
// bubble shows "Sent" instead of "Sending" once all packets are on the wire.
// For channels this is also set by the onMessageSent callback, but this is harmless.
messagesProvider.markMessageSent(msgId, 0, 0);
}
List<Int16List> _trimSilence(List<Int16List> chunks) {
if (chunks.isEmpty) return chunks;
final isSilent = chunks.map(_isSilentChunk).toList();
final firstVoice = isSilent.indexWhere((silent) => !silent);
if (firstVoice == -1) return const [];
final lastVoice = isSilent.lastIndexWhere((silent) => !silent);
if (lastVoice < firstVoice) return const [];
final trimmed = <Int16List>[];
var interiorSilentRun = 0;
for (var i = firstVoice; i <= lastVoice; i++) {
if (isSilent[i]) {
interiorSilentRun++;
if (interiorSilentRun <= _maxInteriorSilentChunks) {
trimmed.add(chunks[i]);
}
} else {
interiorSilentRun = 0;
trimmed.add(chunks[i]);
}
}
return trimmed;
}
bool _isSilentChunk(Int16List chunk) {
if (chunk.isEmpty) return true;
var sumSquares = 0.0;
var peak = 0;
for (final sample in chunk) {
final absSample = sample.abs();
if (absSample > peak) peak = absSample;
sumSquares += sample * sample;
}
final rms = math.sqrt(sumSquares / chunk.length);
return rms < _silenceRmsThreshold && peak < _silencePeakThreshold;
}
bool _isPublicChannelSelected() {
if (_destinationType !=
MessageDestinationPreferences.destinationTypeChannel) {
return false;
}
final channelIdx = _selectedRecipient?.publicKey[1] ?? 0;
return channelIdx == 0;
}
Future<bool> _confirmPublicChannelMediaSend(String mediaType) async {
if (!_isPublicChannelSelected() || !mounted) return true;
final decision = await showDialog<bool>(
context: context,
builder: (dialogContext) => AlertDialog(
title: const Text('Send to Public Channel?'),
content: Text(
'You are about to send $mediaType to the Public Channel. '
'This is not advised because everyone on the mesh may receive it. '
'Choose a private or tagged channel unless this is what you want.',
),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(false),
child: const Text('Cancel'),
),
FilledButton(
onPressed: () => Navigator.of(dialogContext).pop(true),
child: const Text('Send anyway'),
),
],
),
);
return decision ?? false;
}
// ── SAR dialog ─────────────────────────────────────────────────────────────
void _showSarDialog() {
showModalBottomSheet(
context: context,
isScrollControlled: true,
backgroundColor: Colors.transparent,
builder: (context) => SarUpdateSheet(
onSend:
(
emoji,
name,
position,
roomPublicKey,
sendToChannel,
sendToAllContacts,
colorIndex,
) async {
await _sendSarMessage(
emoji,
name,
position,
roomPublicKey,
sendToChannel,
sendToAllContacts,
colorIndex,
);
},
),
);
}
void _showComposerActions() {
showModalBottomSheet(
context: context,
builder: (sheetContext) {
return SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
ListTile(
leading: const Icon(Icons.add_location_alt),
title: Text(AppLocalizations.of(context)!.sendSarMarker),
onTap: () {
Navigator.pop(sheetContext);
_showSarDialog();
},
),
if (_voiceSupported)
ListTile(
enabled: !_isSendingVoice,
leading: Icon(_isRecording ? Icons.stop : Icons.mic),
title: Text(_isRecording ? 'Stop recording' : 'Record voice'),
onTap: _isSendingVoice
? null
: () {
Navigator.pop(sheetContext);
if (_isRecording) {
_stopAndSendVoice();
} else {
_startVoiceRecording();
}
},
),
ListTile(
enabled: !_isSendingImage,
leading: const Icon(Icons.photo_library),
title: const Text('Send image from gallery'),
onTap: _isSendingImage
? null
: () {
Navigator.pop(sheetContext);
_pickAndSendImage(source: ImageSource.gallery);
},
),
ListTile(
enabled: !_isSendingImage,
leading: const Icon(Icons.camera_alt),
title: const Text('Take photo'),
onTap: _isSendingImage
? null
: () {
Navigator.pop(sheetContext);
_pickAndSendImage(source: ImageSource.camera);
},
),
ListTile(
leading: const Icon(Icons.grid_3x3),
title: const Text('Start Tic-Tac-Toe'),
subtitle: const Text('DM only'),
onTap: () {
Navigator.pop(sheetContext);
_startTicTacToeGame();
},
),
],
),
);
},
);
}
Future<void> _sendSarMessage(
String emoji,
String name,
Position position,
Uint8List? roomPublicKey,
bool sendToChannel,
bool sendToAllContacts,
int colorIndex,
) async {
final connectionProvider = context.read<ConnectionProvider>();
final messagesProvider = context.read<MessagesProvider>();
if (!connectionProvider.deviceInfo.isConnected) {
if (!mounted) return;
ToastLogger.error(context, 'Not connected to device');
return;
}
if (!sendToChannel && !sendToAllContacts && roomPublicKey == null) {
if (!mounted) return;
ToastLogger.error(
context,
'Please select a destination to send SAR marker',
);
return;
}
try {
// New format: S:<emoji>:<colorIndex>:<latitude>,<longitude>:<name>
// Round coordinates to 5 decimal places (~1m accuracy) since most GPS is only that accurate
final sarMessage =
'S:$emoji:${colorIndex.toString()}:${position.latitude.toStringAsFixed(5)},${position.longitude.toStringAsFixed(5)}:$name';
if (sendToAllContacts) {
// Send to all chat contacts (ContactType.chat)
final contactsProvider = context.read<ContactsProvider>();
final chatContacts = contactsProvider.chatContacts;
if (chatContacts.isEmpty) {
if (!mounted) return;
ToastLogger.error(
context,
AppLocalizations.of(context)!.noContactsAvailable,
);
return;
}
// Create a single grouped message instead of multiple individual messages
final groupId = '${DateTime.now().millisecondsSinceEpoch}_group';
final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
final devicePublicKey = connectionProvider.deviceInfo.publicKey;
final senderPublicKeyPrefix = devicePublicKey?.sublist(0, 6);
// Create recipient list
final recipients = chatContacts.map((contact) {
return MessageRecipient(
publicKey: contact.publicKey,
displayName: contact.displayName,
deliveryStatus: MessageDeliveryStatus.sending,
sentAt: DateTime.now(),
);
}).toList();
// Create single grouped message
final groupedMessage = Message(
id: groupId,
messageType: MessageType.contact,
senderPublicKeyPrefix: senderPublicKeyPrefix,
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: timestamp,
text: sarMessage,
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.sending,
groupId: groupId,
recipients: recipients,
);
// Add the grouped message to the list
messagesProvider.addSentMessage(groupedMessage);
// Send to each contact and track status
int successCount = 0;
for (final contact in chatContacts) {
final individualMessageId = '${groupId}_${contact.publicKeyShort}';
// Register this individual send as part of the grouped message
messagesProvider.registerGroupedMessageSend(
individualMessageId,
groupId,
contact.publicKey,
);
// Send SAR message to contact (with ACK tracking)
final sentSuccessfully = await connectionProvider.sendTextMessage(
contactPublicKey: contact.publicKey,
text: sarMessage,
messageId: individualMessageId,
contact: contact,
);
if (sentSuccessfully) {
successCount++;
} else {
// Update recipient status in grouped message
messagesProvider.updateGroupedMessageRecipientStatus(
groupId,
contact.publicKey,
MessageDeliveryStatus.failed,
);
}
// Add 1 second delay between sends to ensure:
// 1. Different timestamps (messages sent in different seconds)
// 2. Radio has time to fully process previous message and assign ACK tag
// This ensures each message gets a unique ACK tag from the radio
if (contact != chatContacts.last) {
await Future.delayed(const Duration(seconds: 1));
}
}
if (!mounted) return;
ToastLogger.success(
context,
AppLocalizations.of(context)!.sarMarkerSentToContacts(successCount),
);
} else if (sendToChannel) {
// Create message ID
final messageId =
'${DateTime.now().millisecondsSinceEpoch}_channel_sent';
final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
// Get current device's public key (first 6 bytes)
final devicePublicKey = connectionProvider.deviceInfo.publicKey;
final senderPublicKeyPrefix = devicePublicKey?.sublist(0, 6);
// Create sent message object
final sentMessage = Message(
id: messageId,
messageType: MessageType.channel,
senderPublicKeyPrefix: senderPublicKeyPrefix,
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: timestamp,
text: sarMessage,
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.sending,
channelIdx: 0,
// SAR marker data is automatically added by SarMessageParser.enhanceMessage in MessagesProvider
);
// Add to messages list with "sending" status
messagesProvider.addSentMessage(sentMessage);
// Send to public channel (ephemeral, over-the-air only)
await connectionProvider.sendChannelMessage(
channelIdx: 0,
text: sarMessage,
messageId: messageId,
);
if (!mounted) return;
} else {
// Create message ID
final messageId = '${DateTime.now().millisecondsSinceEpoch}_sent';
final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
// Get current device's public key (first 6 bytes)
final devicePublicKey = connectionProvider.deviceInfo.publicKey;
final senderPublicKeyPrefix = devicePublicKey?.sublist(0, 6);
// Create sent message object with recipient public key for retry support
final sentMessage = Message(
id: messageId,
messageType: MessageType.contact,
senderPublicKeyPrefix: senderPublicKeyPrefix,
pathLen: 0,
textType: MessageTextType.plain,
senderTimestamp: timestamp,
text: sarMessage,
receivedAt: DateTime.now(),
deliveryStatus: MessageDeliveryStatus.sending,
recipientPublicKey: roomPublicKey, // Store recipient for retry
// SAR marker data is automatically added by SarMessageParser.enhanceMessage in MessagesProvider
);
// Look up the room contact for path logging
final contactsProvider = context.read<ContactsProvider>();
final roomContact = contactsProvider.contacts.where((c) {
return c.publicKey.length >= roomPublicKey!.length &&
c.publicKey.matches(roomPublicKey);
}).firstOrNull;
// Add to messages list with "sending" status
messagesProvider.addSentMessage(sentMessage, contact: roomContact);
// Send SAR message to selected room (persisted and immutable)
final sentSuccessfully = await connectionProvider.sendTextMessage(
contactPublicKey: roomPublicKey!,
text: sarMessage,
messageId: messageId, // Pass message ID so it can be tracked
contact: roomContact, // Include contact for path status logging
);
if (!sentSuccessfully) {
// Mark message as failed if sending failed
messagesProvider.markMessageFailed(messageId);
}
if (!mounted) return;
ToastLogger.success(context, 'SAR marker sent to room');
}
} catch (e) {
if (!mounted) return;
ToastLogger.error(context, 'Failed to send SAR marker: $e');
}
}
/// Handle pull-to-refresh for manual message sync
/// This is a FALLBACK mechanism - messages are normally synced automatically via PUSH_CODE_MSG_WAITING
Future<void> _handleRefresh() async {
final connectionProvider = context.read<ConnectionProvider>();
if (!connectionProvider.deviceInfo.isConnected) {
if (!mounted) return;
ToastLogger.warning(context, 'Not connected - cannot sync messages');
return;
}
try {
debugPrint(
'🔄 [MessagesTab] Manual refresh triggered - syncing messages',
);
if (!mounted) return;
} catch (e) {
debugPrint('❌ [MessagesTab] Sync error: $e');
if (!mounted) return;
ToastLogger.error(context, 'Sync failed: $e');
}
}
List<Message> _getFilteredMessages(MessagesProvider messagesProvider) {
// Get all recent messages
final allMessages = messagesProvider.getRecentMessages(count: 100);
// Get simple mode setting from AppProvider
final appProvider = context.read<AppProvider>();
final isSimpleMode = appProvider.isSimpleMode;
List<Message> filteredMessages;
// If channel destination is selected, filter by selected channel.
if (_destinationType ==
MessageDestinationPreferences.destinationTypeChannel) {
final selectedChannelIdx = _selectedRecipient?.publicKey[1] ?? 0;
if (selectedChannelIdx == 0) {
// Public channel view keeps showing all messages (current app behavior).
filteredMessages = allMessages;
} else {
filteredMessages = allMessages
.where((message) => message.channelIdx == selectedChannelIdx)
.toList();
}
}
// If a contact or room is selected, filter by recipient/sender prefixes.
else if ((_destinationType ==
MessageDestinationPreferences.destinationTypeContact ||
_destinationType ==
MessageDestinationPreferences.destinationTypeRoom) &&
_selectedRecipient != null) {
filteredMessages = allMessages.where((message) {
// Include messages sent TO this recipient
if (message.recipientPublicKey != null &&
message.recipientPublicKey!.length >= 6 &&
_selectedRecipient!.publicKey.length >= 6) {
// Compare first 6 bytes (public key prefix)
final recipientPrefix = message.recipientPublicKey!.sublist(0, 6);
final selectedPrefix = _selectedRecipient!.publicKey.sublist(0, 6);
if (recipientPrefix.matches(selectedPrefix)) {
return true;
}
}
// Include messages received FROM this recipient
if (message.senderPublicKeyPrefix != null &&
message.senderPublicKeyPrefix!.length >= 6 &&
_selectedRecipient!.publicKey.length >= 6) {
final senderPrefix = message.senderPublicKeyPrefix!.sublist(0, 6);
final selectedPrefix = _selectedRecipient!.publicKey.sublist(0, 6);
if (senderPrefix.matches(selectedPrefix)) {
return true;
}
}
return false;
}).toList();
} else {
// Default: show all messages (fallback case)
filteredMessages = allMessages;
}
// In simple mode, filter out system messages (toast logs)
if (isSimpleMode) {
filteredMessages = filteredMessages
.where((message) => !message.isSystemMessage)
.toList();
}
return filteredMessages;
}
@override
Widget build(BuildContext context) {
return Consumer<MessagesProvider>(
builder: (context, messagesProvider, child) {
final messages = _getFilteredMessages(messagesProvider);
final bottomInset = MediaQuery.of(context).viewPadding.bottom;
final composerBottomPadding = bottomInset > 0 ? 2.0 : 10.0;
return GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () => FocusScope.of(context).unfocus(),
child: Column(
children: [
// Messages list with pull-to-refresh
Expanded(
child: RefreshIndicator(
onRefresh: _handleRefresh,
child: messages.isEmpty
? LayoutBuilder(
builder: (context, constraints) =>
SingleChildScrollView(
keyboardDismissBehavior:
ScrollViewKeyboardDismissBehavior.onDrag,
physics:
const AlwaysScrollableScrollPhysics(),
child: ConstrainedBox(
constraints: BoxConstraints(
minHeight: constraints.maxHeight,
),
child: Center(
child: Column(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
Icon(
Icons.message_outlined,
size: 64,
color: Theme.of(
context,
).disabledColor,
),
const SizedBox(height: 16),
Text(
AppLocalizations.of(
context,
)!.noMessagesYet,
style: Theme.of(
context,
).textTheme.titleLarge,
),
const SizedBox(height: 8),
Text(
AppLocalizations.of(
context,
)!.pullDownToSync,
style: Theme.of(
context,
).textTheme.bodyMedium,
textAlign: TextAlign.center,
),
],
),
),
),
),
)
: ListView.builder(
controller: _scrollController,
keyboardDismissBehavior:
ScrollViewKeyboardDismissBehavior.onDrag,
reverse: true,
padding: const EdgeInsets.all(8),
itemCount: messages.length,
itemBuilder: (context, index) {
final message = messages[index];
final isHighlighted =
message.id == _highlightedMessageId;
return MessageBubble(
key: ValueKey(message.id),
message: message,
isHighlighted: isHighlighted,
onNavigateToMap: widget.onNavigateToMap,
onTap:
widget.onNavigateToMap != null &&
message.isSarMarker &&
message.sarGpsCoordinates != null
? () {
final mapProvider = context
.read<MapProvider>();
mapProvider.navigateToLocation(
location: message.sarGpsCoordinates!,
zoom: 15.0,
);
widget.onNavigateToMap?.call();
}
: widget.onNavigateToMap != null &&
message.isDrawing &&
message.drawingId != null
? () {
debugPrint(
'🗺️ [MessagesTab] Drawing tapped! ID: ${message.drawingId}',
);
final mapProvider = context
.read<MapProvider>();
final drawingProvider = context
.read<DrawingProvider>();
mapProvider.navigateToDrawing(
message.drawingId!,
drawingProvider,
);
widget.onNavigateToMap?.call();
}
: null,
);
},
),
),
),
// Message input area
Container(
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
SafeArea(
top: false,
child: Padding(
padding: EdgeInsets.fromLTRB(
10,
10,
10,
composerBottomPadding,
),
child: Container(
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.surfaceContainerLow,
borderRadius: BorderRadius.circular(28),
border: Border.all(
color: Theme.of(
context,
).dividerColor.withValues(alpha: 0.35),
),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.05),
blurRadius: 18,
offset: const Offset(0, 6),
),
],
),
child: Padding(
padding: const EdgeInsets.fromLTRB(10, 10, 10, 8),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Row(
children: [
Container(
width: 42,
height: 42,
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.surface,
shape: BoxShape.circle,
border: Border.all(
color: Theme.of(
context,
).dividerColor.withValues(alpha: 0.35),
),
),
child: IconButton(
icon: Icon(
_isRecording ? Icons.stop : Icons.add,
size: 22,
),
tooltip: _isRecording
? 'Stop recording'
: 'More actions',
onPressed: _isRecording
? _stopAndSendVoice
: _showComposerActions,
color: _isRecording
? Colors.red
: Theme.of(
context,
).colorScheme.primary,
),
),
const SizedBox(width: 8),
Expanded(
child: Material(
color: Colors.transparent,
child: InkWell(
borderRadius: BorderRadius.circular(20),
onTap: _showRecipientSelector,
child: Ink(
height: 42,
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.surface,
borderRadius: BorderRadius.circular(
20,
),
border: Border.all(
color: Theme.of(context)
.dividerColor
.withValues(alpha: 0.35),
),
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 14,
),
child: Row(
children: [
Icon(
_getDestinationIcon(),
size: 17,
color: Theme.of(context)
.colorScheme
.onSurfaceVariant,
),
const SizedBox(width: 10),
Expanded(
child: Text(
_getDestinationLabel(),
overflow:
TextOverflow.ellipsis,
style: TextStyle(
fontSize: 15,
fontWeight:
FontWeight.w600,
color: Theme.of(
context,
).colorScheme.onSurface,
),
),
),
Icon(
Icons.expand_more_rounded,
size: 20,
color: Theme.of(context)
.colorScheme
.onSurfaceVariant,
),
],
),
),
),
),
),
),
],
),
const SizedBox(height: 8),
Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Expanded(
child: AnimatedContainer(
duration: const Duration(
milliseconds: 180,
),
constraints: const BoxConstraints(
minHeight: 46,
maxHeight: 132,
),
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.surface,
borderRadius: BorderRadius.circular(24),
border: Border.all(
color: _focusNode.hasFocus
? Theme.of(
context,
).colorScheme.primary
: Theme.of(context).dividerColor
.withValues(alpha: 0.35),
width: _focusNode.hasFocus ? 1.4 : 1,
),
boxShadow: _focusNode.hasFocus
? [
BoxShadow(
color: Theme.of(context)
.colorScheme
.primary
.withValues(alpha: 0.10),
blurRadius: 12,
offset: const Offset(0, 4),
),
]
: null,
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
child: TextField(
controller: _textController,
focusNode: _focusNode,
minLines: 1,
maxLines: 4,
keyboardType: TextInputType.multiline,
inputFormatters: [
_messageByteLimiter,
],
style: const TextStyle(fontSize: 15),
textAlignVertical:
TextAlignVertical.center,
decoration: InputDecoration(
hintText: AppLocalizations.of(
context,
)!.typeYourMessage,
hintStyle: TextStyle(
fontSize: 15,
color: Theme.of(context)
.colorScheme
.onSurfaceVariant
.withValues(alpha: 0.9),
),
filled: false,
fillColor: Colors.transparent,
border: InputBorder.none,
isCollapsed: true,
),
textInputAction:
TextInputAction.newline,
),
),
),
),
const SizedBox(width: 8),
Builder(
builder: (context) {
final canSendText =
!_isRecording &&
!_isSendingVoice &&
_textController.text
.trim()
.isNotEmpty;
final semanticsLabel = _isRecording
? 'Recording... release to send voice'
: (_isSendingVoice
? 'Sending voice...'
: _voiceSupported
? 'Send (long press to record voice)'
: 'Send');
return Semantics(
button: true,
enabled:
canSendText ||
(_voiceSupported &&
!_isSendingVoice),
label: semanticsLabel,
onTap: canSendText
? _sendMessage
: null,
onLongPress:
(_voiceSupported &&
!_isSendingVoice)
? () {
if (_isRecording) {
_stopAndSendVoice();
return;
}
_startVoiceRecording();
}
: null,
child: Tooltip(
message: semanticsLabel,
excludeFromSemantics: true,
child: GestureDetector(
excludeFromSemantics: true,
onTap: canSendText
? () {
debugPrint(
'👆 [MessagesTab] Send button tapped '
'(canSendText=$canSendText, '
'textLength=${_textController.text.trim().length}, '
'recording=$_isRecording, '
'sendingVoice=$_isSendingVoice)',
);
_sendMessage();
}
: null,
onLongPressStart:
(_voiceSupported &&
!_isSendingVoice)
? (_) {
debugPrint(
'🎙️ [MessagesTab] Send button long-press start '
'(voiceSupported=$_voiceSupported, '
'sendingVoice=$_isSendingVoice, '
'recording=$_isRecording)',
);
_startVoiceRecording();
}
: null,
onLongPressEnd:
(_voiceSupported &&
_isRecording)
? (_) {
debugPrint(
'🎙️ [MessagesTab] Send button long-press end '
'(recording=$_isRecording)',
);
_stopAndSendVoice();
}
: null,
onLongPressCancel:
(_voiceSupported &&
_isRecording)
? () {
debugPrint(
'🎙️ [MessagesTab] Send button long-press cancel '
'(recording=$_isRecording)',
);
_stopAndSendVoice();
}
: null,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
AnimatedContainer(
duration: const Duration(
milliseconds: 180,
),
width: 46,
height: 46,
decoration: BoxDecoration(
color:
canSendText ||
_isRecording
? Theme.of(
context,
).colorScheme.primary
: Theme.of(
context,
).colorScheme.surface,
shape: BoxShape.circle,
border: Border.all(
color:
canSendText ||
_isRecording
? Colors.transparent
: Theme.of(context)
.dividerColor
.withValues(
alpha: 0.35,
),
),
boxShadow:
canSendText ||
_isRecording
? [
BoxShadow(
color:
Theme.of(
context,
)
.colorScheme
.primary
.withValues(
alpha:
0.22,
),
blurRadius: 14,
offset:
const Offset(
0,
6,
),
),
]
: null,
),
child: _isSendingVoice
? Center(
child: CircularProgressIndicator(
strokeWidth: 2,
color:
Theme.of(
context,
)
.colorScheme
.onPrimary,
),
)
: Icon(
_isRecording
? Icons
.mic_rounded
: Icons
.send_rounded,
size: 22,
color:
canSendText ||
_isRecording
? Theme.of(
context,
)
.colorScheme
.onPrimary
: Theme.of(
context,
)
.colorScheme
.onSurfaceVariant,
),
),
const SizedBox(height: 4),
Text(
'$_messageByteCount/$_maxMessageBytes',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w500,
color:
_messageByteCount >
_maxMessageBytes *
0.9
? Colors.orange.shade800
: Theme.of(context)
.colorScheme
.onSurfaceVariant
.withValues(
alpha: 0.9,
),
),
),
],
),
),
),
);
},
),
],
),
],
),
),
),
),
),
],
),
),
],
),
);
},
);
}
}