Add connection status header
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b72df53cd2
commit
7880ade572
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'matrix.dart';
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class ConnectionStatusHeader extends StatefulWidget {
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@override
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_ConnectionStatusHeaderState createState() => _ConnectionStatusHeaderState();
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}
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class _ConnectionStatusHeaderState extends State<ConnectionStatusHeader> {
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StreamSubscription _onSyncSub;
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StreamSubscription _onSyncErrorSub;
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static bool _connected = false;
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set connected(bool connected) {
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if (mounted) {
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setState(() => _connected = connected);
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}
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}
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@override
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void dispose() {
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_onSyncSub?.cancel();
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_onSyncErrorSub?.cancel();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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_onSyncSub ??= Matrix.of(context).client.onSync.stream.listen(
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(_) => connected = true,
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);
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_onSyncErrorSub ??= Matrix.of(context).client.onSyncError.stream.listen(
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(_) => connected = false,
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);
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return AnimatedContainer(
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duration: Duration(milliseconds: 500),
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height: _connected ? 0 : 5,
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child: LinearProgressIndicator(),
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);
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}
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}
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