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feat: More stable connection status header

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This commit is contained in:
Christian Pauly 2021-06-20 09:03:22 +02:00
parent cff284c2d1
commit 2eec7bf6d0
2 changed files with 44 additions and 12 deletions
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2
lib/pages/views/chat_view.dart
View File

@ -212,7 +212,6 @@ class ChatView extends StatelessWidget {
SafeArea(
child: Column(
children: <Widget>[
ConnectionStatusHeader(),
if (controller.room.getState(EventTypes.RoomTombstone) !=
null)
Container(
@ -420,6 +419,7 @@ class ChatView extends StatelessWidget {
},
),
),
ConnectionStatusHeader(),
if (!controller.showEmojiPicker)
AnimatedContainer(
duration: Duration(milliseconds: 300),

54
lib/widgets/connection_status_header.dart
View File

@ -1,5 +1,8 @@
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:matrix/matrix.dart';
import '../utils/localized_exception_extension.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'matrix.dart';
@ -11,13 +14,12 @@ class ConnectionStatusHeader extends StatefulWidget {
class _ConnectionStatusHeaderState extends State<ConnectionStatusHeader> {
StreamSubscription _onSyncSub;
StreamSubscription _onSyncErrorSub;
static bool _connected = true;
set connected(bool connected) {
if (mounted) {
setState(() => _connected = connected);
}
}
bool get _connected =>
DateTime.now().millisecondsSinceEpoch -
_lastSyncReceived.millisecondsSinceEpoch <
1000 * 30;
static DateTime _lastSyncReceived = DateTime(0);
SdkError _error;
@override
void dispose() {
@ -29,16 +31,46 @@ class _ConnectionStatusHeaderState extends State<ConnectionStatusHeader> {
@override
Widget build(BuildContext context) {
_onSyncSub ??= Matrix.of(context).client.onSync.stream.listen(
(_) => connected = true,
(_) => setState(
() {
_lastSyncReceived = DateTime.now();
_error = null;
},
),
);
_onSyncErrorSub ??= Matrix.of(context).client.onSyncError.stream.listen(
(_) => connected = false,
(error) => setState(
() {
_lastSyncReceived = DateTime(0);
_error = error;
},
),
);
return AnimatedContainer(
duration: Duration(milliseconds: 300),
height: _connected ? 0 : 5,
child: LinearProgressIndicator(),
height: _connected ? 0 : 36,
clipBehavior: Clip.hardEdge,
decoration: BoxDecoration(),
padding: EdgeInsets.symmetric(horizontal: 12),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SizedBox(
width: 24,
height: 24,
child: CircularProgressIndicator(strokeWidth: 2),
),
SizedBox(width: 12),
Text(
_error != null
? (_error.exception as Object).toLocalizedString(context)
: L10n.of(context).loadingPleaseWait,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
],
),
);
}
}