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Implemented per stream subscription recovery with polling fallback

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This commit is contained in:
Marc Rejohn Castillano
2026-03-01 17:24:04 +08:00
parent e91e7b43d2
commit c9479f01f0
19 changed files with 894 additions and 494 deletions
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lib/widgets/reconnect_overlay.dart
+44 -111
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@@ -3,127 +3,60 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../providers/realtime_controller.dart';
class ReconnectOverlay extends ConsumerWidget {
const ReconnectOverlay({super.key});
/// Subtle, non-blocking connection status indicator.
/// Shows in the bottom-right corner when streams are recovering/stale.
/// Unlike the old blocking overlay, this does NOT prevent user interaction.
class ReconnectIndicator extends ConsumerWidget {
const ReconnectIndicator({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final ctrl = ref.watch(realtimeControllerProvider);
if (!ctrl.isConnecting && !ctrl.isFailed) return const SizedBox.shrink();
if (ctrl.isFailed) {
return Positioned.fill(
child: AbsorbPointer(
absorbing: true,
child: Center(
child: SizedBox(
width: 420,
child: Card(
elevation: 6,
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
'Realtime connection failed',
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 8),
Text(
ctrl.lastError ??
'Unable to reconnect after multiple attempts.',
style: Theme.of(context).textTheme.bodyMedium,
),
const SizedBox(height: 12),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
TextButton(
onPressed: () => ctrl.retry(),
child: const Text('Retry'),
),
],
),
],
),
),
),
),
),
),
);
// Hide when not recovering
if (!ctrl.isAnyStreamRecovering) {
return const SizedBox.shrink();
}
// isConnecting: show richer skeleton-like placeholders
return Positioned.fill(
child: AbsorbPointer(
absorbing: true,
child: Container(
color: Theme.of(
context,
).colorScheme.surface.withAlpha((0.35 * 255).round()),
child: Center(
child: SizedBox(
width: 640,
child: Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
// Header
Container(
height: 20,
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(6),
),
),
const SizedBox(height: 12),
// chips row
Row(
children: [
for (var i = 0; i < 3; i++)
Padding(
padding: const EdgeInsets.only(right: 8.0),
child: Container(
width: 100,
height: 14,
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(6),
),
),
),
],
),
const SizedBox(height: 16),
// lines representing content
for (var i = 0; i < 4; i++) ...[
Container(
height: 12,
margin: const EdgeInsets.only(bottom: 8),
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(6),
),
),
],
],
),
return Positioned(
bottom: 16,
right: 16,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
border: Border.all(
color: Theme.of(context).colorScheme.outline,
width: 1,
),
borderRadius: BorderRadius.circular(8),
boxShadow: [
BoxShadow(
color: Colors.black.withAlpha(3),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(
width: 12,
height: 12,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation(
Theme.of(context).colorScheme.primary,
),
),
),
),
const SizedBox(width: 8),
Text(
'Reconnecting...',
style: Theme.of(context).textTheme.labelSmall,
),
],
),
),
);