Files
meshcore-sar_android/lib/screens/contacts_tab.dart
2026-03-10 09:06:30 +01:00

919 lines
28 KiB
Dart

import 'dart:math';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:geolocator/geolocator.dart';
import '../l10n/app_localizations.dart';
import '../models/contact.dart';
import '../providers/contacts_provider.dart';
import '../providers/app_provider.dart';
import '../providers/connection_provider.dart';
import '../providers/messages_provider.dart';
import '../utils/contact_grouping.dart';
import '../utils/avatar_label_helper.dart';
import '../widgets/common/contact_avatar.dart';
import '../widgets/contacts/contact_tile.dart';
import '../widgets/contacts/add_channel_dialog.dart';
class ContactsTab extends StatefulWidget {
final VoidCallback? onNavigateToMap;
final VoidCallback? onNavigateToMessages;
const ContactsTab({
super.key,
this.onNavigateToMap,
this.onNavigateToMessages,
});
@override
State<ContactsTab> createState() => _ContactsTabState();
}
class _ContactsTabState extends State<ContactsTab> {
Position? _currentPosition;
final Set<String> _resolvingAdvertKeys = <String>{};
final Map<ContactSection, ContactSortMode> _sortModes = {
ContactSection.teamMembers: ContactSortMode.lastSeen,
ContactSection.repeaters: ContactSortMode.lastSeen,
ContactSection.rooms: ContactSortMode.lastSeen,
};
@override
void initState() {
super.initState();
_getCurrentLocation();
// Mark all contacts as viewed when tab is opened
WidgetsBinding.instance.addPostFrameCallback((_) {
context.read<ContactsProvider>().markAllAsViewed();
});
}
Future<void> _getCurrentLocation() async {
try {
final position = await Geolocator.getCurrentPosition(
locationSettings: const LocationSettings(
accuracy: LocationAccuracy.best,
distanceFilter: 0,
),
);
if (mounted) {
setState(() {
_currentPosition = position;
});
}
} catch (e) {
// Silently fail if location not available
debugPrint('Failed to get location: $e');
}
}
Future<void> _handleRefresh() async {
if (!mounted) return;
final appProvider = context.read<AppProvider>();
await appProvider.refresh();
// Also refresh location
if (!mounted) return;
await _getCurrentLocation();
}
Future<void> _handleResolveAdvert(PendingAdvert advert) async {
final keyHex = advert.publicKeyHex;
if (_resolvingAdvertKeys.contains(keyHex)) return;
setState(() {
_resolvingAdvertKeys.add(keyHex);
});
try {
await context.read<ConnectionProvider>().getContact(advert.publicKey);
} finally {
if (mounted) {
setState(() {
_resolvingAdvertKeys.remove(keyHex);
});
}
}
}
/// Calculate distance between two points in meters
double _calculateDistanceInMeters(
double lat1,
double lon1,
double lat2,
double lon2,
) {
const R = 6371000; // Earth's radius in meters
final dLat = (lat2 - lat1) * pi / 180;
final dLon = (lon2 - lon1) * pi / 180;
final a =
sin(dLat / 2) * sin(dLat / 2) +
cos(lat1 * pi / 180) *
cos(lat2 * pi / 180) *
sin(dLon / 2) *
sin(dLon / 2);
final c = 2 * atan2(sqrt(a), sqrt(1 - a));
return R * c;
}
/// Format distance for display
String _formatDistance(double meters) {
if (meters < 1000) {
return '${meters.round()}m';
} else if (meters < 10000) {
return '${(meters / 1000).toStringAsFixed(2)}km';
} else {
return '${(meters / 1000).toStringAsFixed(1)}km';
}
}
String _formatRelativeTime(BuildContext context, DateTime when) {
final l10n = AppLocalizations.of(context)!;
final diff = DateTime.now().difference(when);
if (diff.inMinutes < 1) return l10n.justNow;
if (diff.inMinutes < 60) return l10n.minutesAgo(diff.inMinutes);
if (diff.inHours < 24) return l10n.hoursAgo(diff.inHours);
return l10n.daysAgo(diff.inDays);
}
List<Contact> _sortContacts(List<Contact> contacts, ContactSection section) {
final sorted = List<Contact>.from(contacts);
if (section == ContactSection.channels) {
sorted.sort(
(a, b) =>
a.displayName.toLowerCase().compareTo(b.displayName.toLowerCase()),
);
return sorted;
}
final sortMode = _sortModes[section] ?? ContactSortMode.lastSeen;
sorted.sort((a, b) {
if (sortMode == ContactSortMode.distance) {
final distanceA = _distanceFromCurrentPosition(a);
final distanceB = _distanceFromCurrentPosition(b);
if (distanceA != null && distanceB != null) {
final distanceCompare = distanceA.compareTo(distanceB);
if (distanceCompare != 0) return distanceCompare;
} else if (distanceA != null) {
return -1;
} else if (distanceB != null) {
return 1;
}
}
return b.lastSeenTime.compareTo(a.lastSeenTime);
});
return sorted;
}
double? _distanceFromCurrentPosition(Contact contact) {
final currentPosition = _currentPosition;
final contactLocation = contact.displayLocation;
if (currentPosition == null || contactLocation == null) {
return null;
}
return _calculateDistanceInMeters(
currentPosition.latitude,
currentPosition.longitude,
contactLocation.latitude,
contactLocation.longitude,
);
}
/// Show the add channel dialog
Future<void> _showAddChannelDialog(BuildContext context) async {
final l10n = AppLocalizations.of(context)!;
await showDialog(
context: context,
builder: (context) => AddChannelDialog(
onCreateChannel: (name, secret) async {
final connectionProvider = context.read<ConnectionProvider>();
try {
await connectionProvider.createChannel(
channelName: name,
channelSecret: secret,
);
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(l10n.channelCreatedSuccessfully),
backgroundColor: Colors.green,
),
);
}
} catch (e) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(l10n.channelCreationFailed(e.toString())),
backgroundColor: Colors.red,
),
);
}
rethrow; // Re-throw to let dialog handle the error state
}
},
),
);
}
@override
Widget build(BuildContext context) {
final l10n = AppLocalizations.of(context)!;
return Scaffold(
body: Consumer<ContactsProvider>(
builder: (context, contactsProvider, child) {
final messagesProvider = context.watch<MessagesProvider>();
final chatContacts = _sortContacts(
contactsProvider.chatContacts,
ContactSection.teamMembers,
);
final repeaters = _sortContacts(
contactsProvider.repeaters,
ContactSection.repeaters,
);
final rooms = _sortContacts(
contactsProvider.rooms,
ContactSection.rooms,
);
final channels = _sortContacts(
contactsProvider.channels,
ContactSection.channels,
);
final pendingAdverts = contactsProvider.pendingAdverts;
// Check if there are any displayable contacts
final hasDisplayableContacts =
chatContacts.isNotEmpty ||
repeaters.isNotEmpty ||
rooms.isNotEmpty ||
channels.isNotEmpty ||
pendingAdverts.isNotEmpty;
if (!hasDisplayableContacts) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.contacts_outlined,
size: 64,
color: Theme.of(context).disabledColor,
),
const SizedBox(height: 16),
Text(
l10n.noContactsYet,
style: Theme.of(context).textTheme.titleLarge,
),
const SizedBox(height: 8),
Text(
l10n.connectToDeviceToLoadContacts,
style: Theme.of(context).textTheme.bodyMedium,
textAlign: TextAlign.center,
),
],
),
);
}
return RefreshIndicator(
onRefresh: _handleRefresh,
child: ListView(
padding: const EdgeInsets.all(8),
children: [
// Pending adverts (public key only; quick resolve)
if (pendingAdverts.isNotEmpty) ...[
_SectionHeader(
title: l10n.pending,
count: pendingAdverts.length,
icon: Icons.person_add_alt_1,
),
...pendingAdverts.map(
(advert) => _PendingAdvertTile(
advert: advert,
subtitle:
'${l10n.publicKey}: ${advert.publicKeyHex}\n${l10n.lastSeen}: ${_formatRelativeTime(context, advert.receivedAt)}',
isResolving: _resolvingAdvertKeys.contains(
advert.publicKeyHex,
),
onResolve: () => _handleResolveAdvert(advert),
),
),
const Divider(height: 32),
],
// Team Members (Chat contacts)
if (chatContacts.isNotEmpty) ...[
_SectionHeader(
title: l10n.teamMembers,
count: chatContacts.length,
icon: Icons.people,
trailing: _buildSortMenu(
context,
ContactSection.teamMembers,
),
),
..._buildContactSectionItems(chatContacts),
const Divider(height: 32),
],
// Repeaters
if (repeaters.isNotEmpty) ...[
_SectionHeader(
title: l10n.repeaters,
count: repeaters.length,
icon: Icons.router,
trailing: _buildSortMenu(context, ContactSection.repeaters),
),
..._buildContactSectionItems(repeaters),
const Divider(height: 32),
],
// Rooms
if (rooms.isNotEmpty) ...[
_SectionHeader(
title: l10n.rooms,
count: rooms.length,
icon: Icons.tag,
trailing: _buildSortMenu(context, ContactSection.rooms),
),
..._buildContactSectionItems(rooms),
const Divider(height: 32),
],
// Channels (visible in both simple and advanced mode)
_SectionHeader(
title: l10n.channels,
count: channels.length,
icon: Icons.broadcast_on_personal,
),
if (channels.isNotEmpty) ...[
...channels.map(
(channel) => _ChannelActivityCard(
channel: channel,
messagesProvider: messagesProvider,
contactsProvider: contactsProvider,
onNavigateToMessages: widget.onNavigateToMessages,
),
),
],
// Add Channel Button (visible in both simple and advanced mode, only show when connected)
if (context.watch<ConnectionProvider>().deviceInfo.isConnected)
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
child: OutlinedButton.icon(
onPressed: () => _showAddChannelDialog(context),
icon: const Icon(Icons.add_circle_outline),
label: Text(l10n.addChannel),
style: OutlinedButton.styleFrom(
padding: const EdgeInsets.symmetric(
horizontal: 24,
vertical: 12,
),
),
),
),
],
),
);
},
),
);
}
List<Widget> _buildContactSectionItems(List<Contact> contacts) {
final items = ContactGrouping.buildItemsFromSorted(contacts);
return items.map((item) {
if (item.isGroup) {
return _InferredContactGroupCard(
label: item.group!.label,
contacts: item.group!.contacts,
currentPosition: _currentPosition,
calculateDistance: _calculateDistanceInMeters,
formatDistance: _formatDistance,
onNavigateToMap: widget.onNavigateToMap,
onNavigateToMessages: widget.onNavigateToMessages,
);
}
return ContactTile(
contact: item.contact!,
currentPosition: _currentPosition,
calculateDistance: _calculateDistanceInMeters,
formatDistance: _formatDistance,
onNavigateToMap: widget.onNavigateToMap,
onNavigateToMessages: widget.onNavigateToMessages,
);
}).toList();
}
Widget _buildSortMenu(BuildContext context, ContactSection section) {
final l10n = AppLocalizations.of(context)!;
final selectedMode = _sortModes[section] ?? ContactSortMode.lastSeen;
final colorScheme = Theme.of(context).colorScheme;
return PopupMenuButton<ContactSortMode>(
tooltip: 'Sort',
initialValue: selectedMode,
onSelected: (sortMode) {
setState(() {
_sortModes[section] = sortMode;
});
},
itemBuilder: (context) => [
PopupMenuItem<ContactSortMode>(
value: ContactSortMode.lastSeen,
child: Row(
children: [
Icon(
Icons.schedule,
size: 18,
color: selectedMode == ContactSortMode.lastSeen
? colorScheme.primary
: null,
),
const SizedBox(width: 8),
Text(l10n.lastSeen),
],
),
),
PopupMenuItem<ContactSortMode>(
value: ContactSortMode.distance,
child: Row(
children: [
Icon(
Icons.near_me,
size: 18,
color: selectedMode == ContactSortMode.distance
? colorScheme.primary
: null,
),
const SizedBox(width: 8),
Text(l10n.distance),
],
),
),
],
child: Padding(
padding: const EdgeInsets.all(4),
child: Icon(
Icons.more_horiz,
size: 18,
color: colorScheme.onSurfaceVariant,
),
),
);
}
}
enum ContactSortMode { lastSeen, distance }
enum ContactSection { teamMembers, repeaters, rooms, channels }
class _PendingAdvertTile extends StatelessWidget {
final PendingAdvert advert;
final String subtitle;
final bool isResolving;
final VoidCallback onResolve;
const _PendingAdvertTile({
required this.advert,
required this.subtitle,
required this.isResolving,
required this.onResolve,
});
@override
Widget build(BuildContext context) {
return Card(
margin: const EdgeInsets.only(bottom: 8),
child: ListTile(
leading: const CircleAvatar(child: Icon(Icons.campaign_outlined)),
title: Text(
advert.shortDisplayKey,
style: const TextStyle(fontWeight: FontWeight.bold),
),
subtitle: Text(subtitle),
trailing: isResolving
? const SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(strokeWidth: 2),
)
: IconButton(
icon: const Icon(Icons.person_add_alt_1),
tooltip: 'Quick add',
onPressed: onResolve,
),
),
);
}
}
class _SectionHeader extends StatelessWidget {
final String title;
final int count;
final IconData icon;
final Widget? trailing;
const _SectionHeader({
required this.title,
required this.count,
required this.icon,
this.trailing,
});
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Row(
children: [
Icon(icon, size: 20),
const SizedBox(width: 8),
Text(
title,
style: Theme.of(
context,
).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
),
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.primaryContainer,
borderRadius: BorderRadius.circular(12),
),
child: Text(
count.toString(),
style: Theme.of(context).textTheme.labelSmall,
),
),
if (trailing != null) ...[const Spacer(), trailing!],
],
),
);
}
}
class _InferredContactGroupCard extends StatelessWidget {
final String label;
final List<Contact> contacts;
final Position? currentPosition;
final double Function(double, double, double, double) calculateDistance;
final String Function(double) formatDistance;
final VoidCallback? onNavigateToMap;
final VoidCallback? onNavigateToMessages;
const _InferredContactGroupCard({
required this.label,
required this.contacts,
required this.currentPosition,
required this.calculateDistance,
required this.formatDistance,
required this.onNavigateToMap,
required this.onNavigateToMessages,
});
@override
Widget build(BuildContext context) {
final colorScheme = Theme.of(context).colorScheme;
return Container(
margin: const EdgeInsets.only(bottom: 12),
decoration: BoxDecoration(
color: colorScheme.surfaceContainerLow,
borderRadius: BorderRadius.circular(18),
border: Border.all(
color: colorScheme.outlineVariant.withValues(alpha: 0.35),
),
),
child: Theme(
data: Theme.of(context).copyWith(dividerColor: Colors.transparent),
child: ExpansionTile(
tilePadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 2),
childrenPadding: const EdgeInsets.fromLTRB(12, 0, 12, 8),
initiallyExpanded: true,
leading: Icon(
Icons.folder_copy_outlined,
size: 18,
color: colorScheme.primary,
),
title: Row(
children: [
Expanded(
child: Text(
label,
style: Theme.of(
context,
).textTheme.titleSmall?.copyWith(fontWeight: FontWeight.w800),
),
),
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
decoration: BoxDecoration(
color: colorScheme.primaryContainer,
borderRadius: BorderRadius.circular(999),
),
child: Text(
contacts.length.toString(),
style: Theme.of(context).textTheme.labelSmall,
),
),
],
),
children: [
...contacts.map(
(contact) => ContactTile(
contact: contact,
currentPosition: currentPosition,
calculateDistance: calculateDistance,
formatDistance: formatDistance,
onNavigateToMap: onNavigateToMap,
onNavigateToMessages: onNavigateToMessages,
),
),
],
),
),
);
}
}
class _ChannelActivityCard extends StatelessWidget {
final Contact channel;
final MessagesProvider messagesProvider;
final ContactsProvider contactsProvider;
final VoidCallback? onNavigateToMessages;
const _ChannelActivityCard({
required this.channel,
required this.messagesProvider,
required this.contactsProvider,
required this.onNavigateToMessages,
});
@override
Widget build(BuildContext context) {
final colorScheme = Theme.of(context).colorScheme;
final channelIdx = channel.publicKey.length > 1 ? channel.publicKey[1] : 0;
final channelMessages = messagesProvider.getMessagesForChannel(channelIdx)
..sort((a, b) => b.sentAt.compareTo(a.sentAt));
final participantNames = <String>[];
for (final message in channelMessages) {
final senderName = message.senderName?.trim();
if (senderName == null || senderName.isEmpty) continue;
if (!participantNames.contains(senderName)) {
participantNames.add(senderName);
}
}
return Container(
margin: const EdgeInsets.only(bottom: 10),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(18),
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
colorScheme.surfaceContainerLow,
colorScheme.tertiaryContainer.withValues(alpha: 0.45),
],
),
border: Border.all(
color: colorScheme.outlineVariant.withValues(alpha: 0.35),
),
),
child: Material(
color: Colors.transparent,
child: InkWell(
borderRadius: BorderRadius.circular(18),
onTap: () async {
messagesProvider.navigateToDestination(
'channel',
recipientPublicKeyHex: channel.publicKeyHex,
);
onNavigateToMessages?.call();
},
child: Padding(
padding: const EdgeInsets.all(14),
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
ContactAvatar(contact: channel, radius: 24),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
channel.displayName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: Theme.of(context).textTheme.titleMedium
?.copyWith(fontWeight: FontWeight.w800),
),
const SizedBox(height: 10),
if (participantNames.isNotEmpty)
_ExpandableParticipantStack(
names: participantNames,
contactForName: _findParticipantContact,
)
else
Text(
'No recent chatters',
style: Theme.of(context).textTheme.bodySmall
?.copyWith(color: colorScheme.onSurfaceVariant),
),
const SizedBox(height: 10),
Wrap(
spacing: 8,
runSpacing: 8,
children: [
_MetricChip(
icon: Icons.forum_outlined,
label: '${channelMessages.length}',
helper: 'messages',
),
_MetricChip(
icon: Icons.group_outlined,
label: '${participantNames.length}',
helper: 'active',
),
],
),
],
),
),
],
),
),
),
),
);
}
Contact? _findParticipantContact(String name) {
for (final contact in contactsProvider.contacts) {
if (!contact.isChannel && contact.advName == name) {
return contact;
}
}
return null;
}
}
class _ExpandableParticipantStack extends StatefulWidget {
final List<String> names;
final Contact? Function(String name) contactForName;
const _ExpandableParticipantStack({
required this.names,
required this.contactForName,
});
@override
State<_ExpandableParticipantStack> createState() =>
_ExpandableParticipantStackState();
}
class _ExpandableParticipantStackState
extends State<_ExpandableParticipantStack> {
bool _expanded = false;
@override
Widget build(BuildContext context) {
final visibleNames = _expanded
? widget.names
: widget.names.take(4).toList();
final spacing = _expanded ? 24.0 : 18.0;
const avatarSize = 28.0;
final width = avatarSize + (visibleNames.length - 1) * spacing;
return GestureDetector(
onTap: widget.names.length > 4
? () {
setState(() {
_expanded = !_expanded;
});
}
: null,
child: AnimatedContainer(
duration: const Duration(milliseconds: 180),
curve: Curves.easeOut,
width: width,
height: avatarSize,
child: Stack(
clipBehavior: Clip.none,
children: [
for (var i = 0; i < visibleNames.length; i++)
Positioned(
left: i * spacing,
child: _ParticipantAvatar(
name: visibleNames[i],
contact: widget.contactForName(visibleNames[i]),
),
),
],
),
),
);
}
}
class _ParticipantAvatar extends StatelessWidget {
final String name;
final Contact? contact;
const _ParticipantAvatar({required this.name, required this.contact});
@override
Widget build(BuildContext context) {
if (contact != null) {
return Container(
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Theme.of(context).colorScheme.surface,
width: 2,
),
),
child: ContactAvatar(contact: contact!, radius: 14),
);
}
final colorScheme = Theme.of(context).colorScheme;
return Container(
width: 28,
height: 28,
decoration: BoxDecoration(
color: colorScheme.tertiaryContainer,
shape: BoxShape.circle,
border: Border.all(color: colorScheme.surface, width: 2),
),
alignment: Alignment.center,
child: Text(
AvatarLabelHelper.buildLabel(name),
style: Theme.of(context).textTheme.labelSmall?.copyWith(
fontWeight: FontWeight.w700,
color: colorScheme.onTertiaryContainer,
),
),
);
}
}
class _MetricChip extends StatelessWidget {
final IconData icon;
final String label;
final String helper;
const _MetricChip({
required this.icon,
required this.label,
required this.helper,
});
@override
Widget build(BuildContext context) {
final colorScheme = Theme.of(context).colorScheme;
return Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 5),
decoration: BoxDecoration(
color: colorScheme.surface.withValues(alpha: 0.72),
borderRadius: BorderRadius.circular(999),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(icon, size: 14, color: colorScheme.onSurfaceVariant),
const SizedBox(width: 5),
Text(
label,
style: Theme.of(
context,
).textTheme.labelMedium?.copyWith(fontWeight: FontWeight.w700),
),
const SizedBox(width: 4),
Text(
helper,
style: Theme.of(context).textTheme.labelSmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
],
),
);
}
}