refactor: Gott-Datei chat_view.dart in 6 Dateien aufgeteilt
Fünfter und letzter Durchgang der part/part-of-Aufteilung - reine Verschiebung, keine Logikänderung. chat_view.dart schrumpft von 2116 auf 33 Zeilen (nur noch Bibliothekskopf). Verifiziert per automatisiertem Blockvergleich gegen das Original und flutter analyze. Damit sind alle 5 in der M2-Ist-Analyse gefundenen Gott-Dateien aufgeteilt; ROADMAP-Punkt "Toten Code & Duplikate entfernen, Ordnerstruktur vereinheitlichen" abgehakt. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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part of '../chat_view.dart';
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class _ConnectionBanner extends ConsumerStatefulWidget {
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const _ConnectionBanner();
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@override
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ConsumerState<_ConnectionBanner> createState() => _ConnectionBannerState();
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}
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class _ConnectionBannerState extends ConsumerState<_ConnectionBanner> {
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StreamSubscription? _sub;
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Timer? _debounce;
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bool _lost = false;
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@override
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void initState() {
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super.initState();
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_attach();
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}
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Future<void> _attach() async {
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try {
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final client = await ref.read(matrixClientProvider.future);
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_sub = client.onSyncStatus.stream.listen((s) {
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if (s.status == SyncStatus.error) {
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// Only surface after the error persists a few seconds.
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_debounce ??= Timer(const Duration(seconds: 4), () {
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_debounce = null;
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if (mounted) setState(() => _lost = true);
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});
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} else if (s.status == SyncStatus.finished ||
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s.status == SyncStatus.processing) {
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_debounce?.cancel();
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_debounce = null;
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if (_lost && mounted) setState(() => _lost = false);
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}
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});
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} catch (_) {}
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}
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@override
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void dispose() {
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_sub?.cancel();
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_debounce?.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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final pt = PyramidTheme.of(context);
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return AnimatedSize(
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duration: const Duration(milliseconds: 200),
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curve: Curves.easeOut,
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alignment: Alignment.topCenter,
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child: _lost
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? Container(
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width: double.infinity,
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color: pt.danger.withAlpha(36),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.cloud_off_rounded, size: 14, color: pt.danger),
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const SizedBox(width: 8),
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Flexible(
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child: Text(
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'Keine Verbindung zum Server – Wiederverbindung läuft…',
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style: TextStyle(color: pt.danger, fontSize: 12, fontWeight: FontWeight.w500),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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),
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)
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: const SizedBox.shrink(),
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);
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}
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}
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