57 lines
1.9 KiB
Dart
57 lines
1.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:stream_chat_flutter/stream_chat_flutter.dart';
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/// {@macro connection_status_builder}
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@Deprecated("Use 'StreamConnectionStatusBuilder' instead")
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typedef ConnectionStatusBuilder = StreamConnectionStatusBuilder;
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/// {@template connection_status_builder}
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/// Widget that builds itself based on the latest snapshot of interaction with
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/// a [Stream] of type [ConnectionStatus].
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///
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/// The widget will use the closest [StreamChatClient.wsConnectionStatusStream]
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/// in case no stream is provided.
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/// {@endtemplate}
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class StreamConnectionStatusBuilder extends StatelessWidget {
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/// Creates a new ConnectionStatusBuilder
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const StreamConnectionStatusBuilder({
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super.key,
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required this.statusBuilder,
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this.connectionStatusStream,
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this.errorBuilder,
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this.loadingBuilder,
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});
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/// The asynchronous computation to which this builder is currently connected.
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final Stream<ConnectionStatus>? connectionStatusStream;
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/// The builder that will be used in case of error
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final Widget Function(BuildContext context, Object? error)? errorBuilder;
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/// The builder that will be used in case of loading
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final WidgetBuilder? loadingBuilder;
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/// The builder that will be used in case of data
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final Widget Function(BuildContext context, ConnectionStatus status)
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statusBuilder;
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@override
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Widget build(BuildContext context) {
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final stream = connectionStatusStream ??
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StreamChat.of(context).client.wsConnectionStatusStream;
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final client = StreamChat.of(context).client;
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return BetterStreamBuilder<ConnectionStatus>(
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initialData: client.wsConnectionStatus,
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stream: stream,
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noDataBuilder: loadingBuilder,
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errorBuilder: (context, error) {
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if (errorBuilder != null) {
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return errorBuilder!(context, error);
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}
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return const Offstage();
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},
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builder: statusBuilder,
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);
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}
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}
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