refactor: Gott-Datei message_group.dart in 7 Dateien aufgeteilt
Gleiche Technik wie bei settings_modal.dart: reine Verschiebung per Dart part/part-of, keine Logikänderung. message_group.dart schrumpft von 2775 auf 30 Zeilen (nur noch Bibliothekskopf). Verifiziert per automatisiertem Blockvergleich gegen das Original und flutter analyze (Baseline unverändert). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Bernd Steckmeister
@@ -0,0 +1,237 @@
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part of '../message_group.dart';
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class _LinkPreviewData {
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final String? title;
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final String? description;
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final String? imageMxc;
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const _LinkPreviewData({this.title, this.description, this.imageMxc});
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bool get isEmpty =>
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(title == null || title!.isEmpty) &&
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(description == null || description!.isEmpty) &&
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imageMxc == null;
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}
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class _LinkPreview extends ConsumerStatefulWidget {
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final String url;
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final PyramidTheme pt;
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const _LinkPreview({required this.url, required this.pt});
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// url → preview (null = fetched but nothing usable). Avoids refetching on
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// every rebuild/scroll.
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static final Map<String, _LinkPreviewData?> _cache = {};
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@override
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ConsumerState<_LinkPreview> createState() => _LinkPreviewState();
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}
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class _LinkPreviewState extends ConsumerState<_LinkPreview> {
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_LinkPreviewData? _data;
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bool _done = false;
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@override
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void initState() {
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super.initState();
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_load();
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}
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Future<void> _load() async {
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if (_LinkPreview._cache.containsKey(widget.url)) {
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setState(() { _data = _LinkPreview._cache[widget.url]; _done = true; });
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return;
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}
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try {
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final client = await ref.read(matrixClientProvider.future);
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final hs = client.homeserver.toString();
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final enc = Uri.encodeQueryComponent(widget.url);
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final headers = {'authorization': 'Bearer ${client.accessToken}'};
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var res = await client.httpClient.get(
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Uri.parse('$hs/_matrix/client/v1/media/preview_url?url=$enc'),
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headers: headers,
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);
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if (res.statusCode == 404) {
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// Legacy fallback for older servers.
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res = await client.httpClient.get(
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Uri.parse('$hs/_matrix/media/v3/preview_url?url=$enc'),
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headers: headers,
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);
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}
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_LinkPreviewData? data;
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if (res.statusCode == 200) {
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final json = jsonDecode(utf8.decode(res.bodyBytes)) as Map<String, dynamic>;
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data = _LinkPreviewData(
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title: (json['og:title'] as String?)?.trim(),
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description: (json['og:description'] as String?)?.trim(),
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imageMxc: json['og:image'] as String?,
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);
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if (data.isEmpty) data = null;
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}
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_LinkPreview._cache[widget.url] = data;
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if (mounted) setState(() { _data = data; _done = true; });
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} catch (_) {
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_LinkPreview._cache[widget.url] = null;
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if (mounted) setState(() { _data = null; _done = true; });
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}
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}
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@override
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Widget build(BuildContext context) {
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final data = _data;
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if (!_done || data == null) return const SizedBox.shrink();
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final pt = widget.pt;
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final client = ref.watch(matrixClientProvider).valueOrNull;
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return Padding(
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padding: const EdgeInsets.only(top: 6, bottom: 2),
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child: GestureDetector(
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onTap: () => launchUrl(Uri.parse(widget.url), mode: LaunchMode.externalApplication),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 380),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(pt.rBase),
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child: Container(
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decoration: BoxDecoration(
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color: pt.bg2,
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border: Border(left: BorderSide(color: pt.accent, width: 3)),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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if (data.imageMxc != null && client != null)
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ConstrainedBox(
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constraints: const BoxConstraints(maxHeight: 180),
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child: SizedBox(
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width: double.infinity,
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child: MxcImage(
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mxcUri: data.imageMxc!,
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client: client,
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fit: BoxFit.cover,
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placeholder: const SizedBox.shrink(),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(10, 8, 10, 8),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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if (data.title != null && data.title!.isNotEmpty)
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Text(
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data.title!,
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style: TextStyle(color: pt.fg, fontSize: 13, fontWeight: FontWeight.w600),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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if (data.description != null && data.description!.isNotEmpty) ...[
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const SizedBox(height: 3),
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Text(
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data.description!,
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style: TextStyle(color: pt.fgMuted, fontSize: 12, height: 1.35),
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maxLines: 3,
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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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],
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),
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),
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),
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),
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),
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);
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}
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}
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class _ReplyPreview extends StatelessWidget {
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final Event replyEvent;
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final PyramidTheme pt;
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const _ReplyPreview({required this.replyEvent, required this.pt});
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@override
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Widget build(BuildContext context) {
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final senderName = replyEvent.senderFromMemoryOrFallback.calcDisplayname();
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// Media-aware preview: show an icon + label instead of a raw filename,
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// matching WhatsApp/Discord. Falls back to stripped text for m.text.
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final (IconData? icon, String body) = _previewFor(replyEvent);
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return Padding(
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padding: const EdgeInsets.only(bottom: 4),
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child: IntrinsicHeight(
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child: ClipRRect(
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borderRadius: BorderRadius.circular(pt.rSm),
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child: Container(
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color: pt.accentSoft,
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Accent bar flush with the left edge of the tinted card.
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Container(width: 3, color: pt.accent),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(8, 5, 10, 5),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(senderName, style: TextStyle(color: pt.accent, fontSize: 12, fontWeight: FontWeight.w600)),
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Row(
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children: [
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if (icon != null) ...[
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Icon(icon, size: 13, color: pt.fgMuted),
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const SizedBox(width: 4),
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],
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Expanded(
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child: Text(
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body,
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style: TextStyle(color: pt.fgMuted, fontSize: 12),
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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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),
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),
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),
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],
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),
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),
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),
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),
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);
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}
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(IconData?, String) _previewFor(Event e) {
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switch (e.messageType) {
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case 'm.image':
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return (Icons.image_outlined, 'Bild');
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case 'm.video':
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return (Icons.videocam_outlined, 'Video');
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case 'm.audio':
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return (Icons.mic_none_rounded, 'Sprachnachricht');
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case 'm.file':
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return (Icons.insert_drive_file_outlined, e.body.isNotEmpty ? e.body : 'Datei');
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}
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if (e.type == EventTypes.Sticker) return (Icons.emoji_emotions_outlined, 'Sticker');
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// Plain text: strip nested reply fallback, collapse to first line.
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String body = e.body.replaceAll('\r\n', '\n');
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if (body.startsWith('> ')) {
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final lines = body.split('\n');
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var i = 0;
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while (i < lines.length && (lines[i].startsWith('> ') || lines[i].trimRight() == '>')) {
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i++;
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}
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if (i < lines.length && lines[i].trim().isEmpty) i++;
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if (i < lines.length) body = lines.skip(i).join(' ').trim();
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}
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return (null, body.split('\n').first);
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}
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}
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