forked from Nexus/nexus
451 lines
22 KiB
Dart
451 lines
22 KiB
Dart
import "package:collection/collection.dart";
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import "package:cross_cache/cross_cache.dart";
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import "package:fast_immutable_collections/fast_immutable_collections.dart";
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import "package:flutter/material.dart";
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import "package:flutter_blurhash/flutter_blurhash.dart";
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import "package:flutter_riverpod/flutter_riverpod.dart";
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import "package:linkify/linkify.dart";
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import "package:nexus/controllers/client_state_controller.dart";
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import "package:nexus/controllers/cross_cache_controller.dart";
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import "package:nexus/controllers/event_controller.dart";
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import "package:nexus/helpers/extensions/get_headers.dart";
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import "package:nexus/helpers/extensions/mxc_to_https.dart";
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import "package:nexus/helpers/extensions/show_context_menu.dart";
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import "package:nexus/helpers/launch_helper.dart";
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import "package:nexus/models/content/avatar.dart";
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import "package:nexus/models/content/content.dart";
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import "package:nexus/models/content/encrypted.dart";
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import "package:nexus/models/content/membership.dart";
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import "package:nexus/models/content/message.dart";
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import "package:nexus/models/event.dart";
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import "package:nexus/models/requests/get_event_request.dart";
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import "package:nexus/widgets/event_preview.dart";
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import "package:nexus/widgets/expandable_image.dart";
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import "package:nexus/widgets/html/html.dart";
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import "package:nexus/widgets/lazy_loading/message_avatar.dart";
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import "package:nexus/widgets/lazy_loading/message_displayname.dart";
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import "package:nexus/widgets/url_preview.dart";
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import "package:nexus/widgets/loading.dart";
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import "package:nexus/widgets/players/video.dart";
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import "package:nexus/widgets/players/audio.dart";
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import "package:nexus/widgets/reaction_row.dart";
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import "package:nexus/widgets/renderers/membership.dart";
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import "package:nexus/widgets/renderers/generic_event.dart";
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import "package:nexus/widgets/file_card.dart";
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import "package:timeago/timeago.dart";
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import "package:flutter_linkify/flutter_linkify.dart";
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class EventRenderer extends ConsumerWidget {
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final Event event;
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final bool textOnly;
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final bool isGrouped;
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final int? maxLines;
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final VoidCallback? onTapReply;
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final IList<PopupMenuEntry> Function(Event event)? getEventOptions;
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const EventRenderer(
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this.event, {
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this.onTapReply,
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this.textOnly = false,
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this.isGrouped = false,
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this.maxLines,
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this.getEventOptions,
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super.key,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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final errorStyle = TextStyle(color: colorScheme.error);
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final timestamp = Tooltip(
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message: event.timestamp.toString(),
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child: Text(
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format(event.timestamp),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: theme.textTheme.labelSmall?.copyWith(color: Colors.grey),
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),
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);
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final contextMenuCallback = getEventOptions == null
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? null
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: (details) => context.showContextMenu(
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globalPosition: details.globalPosition,
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children: getEventOptions!(event).toList(),
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);
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final textStyle = TextStyle(
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fontSize: event.localContent?.bigEmoji == true ? 32 : null,
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fontStyle: event.content is EmoteMessageContent ? FontStyle.italic : null,
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);
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final child = event.redactedBy != null || event.relationType == "m.replace"
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? null
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: switch (event.content) {
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Content(:final parseError?) => SelectableText(
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"An error occurred while parsing this event:\n$parseError\n${parseError.stackTrace}",
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style: errorStyle,
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),
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MessageContent() || EncryptedContent() => Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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spacing: 8,
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children: [
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if (!textOnly)
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if (isGrouped)
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SizedBox(width: 40)
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else
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MessageAvatar(event, height: 40),
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Flexible(
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child: Column(
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spacing: 4,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (!isGrouped && !textOnly)
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Row(
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spacing: 4,
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children: [
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Flexible(child: MessageDisplayname(event)),
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Flexible(flex: 0, child: timestamp),
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],
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),
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Card(
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margin: textOnly
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? EdgeInsets.zero
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: EdgeInsets.only(bottom: 4),
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color: textOnly
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? Colors.transparent
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: ref.watch(
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ClientStateController.provider.select(
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(value) => value?.userId,
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),
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) ==
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event.sender
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? (event.eventId.startsWith("~")
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? colorScheme.onPrimary
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: colorScheme.primaryContainer)
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: colorScheme.surfaceContainer,
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elevation: textOnly ? 0 : null,
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child: Padding(
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padding: textOnly
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? EdgeInsets.zero
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: EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (!textOnly && event.replyTo != null)
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Card(
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margin: EdgeInsets.only(bottom: 8),
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color: theme.colorScheme.surfaceContainerHigh,
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child: InkWell(
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onTap: onTapReply,
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child: Padding(
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padding: EdgeInsetsGeometry.symmetric(
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vertical: 8,
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horizontal: 12,
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),
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child: switch (ref.watch(
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EventController.provider(
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GetEventRequest(
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roomId: event.roomId,
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eventId: event.replyTo!,
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),
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),
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)) {
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AsyncData(:final value?) ||
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AsyncLoading(
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:final value?,
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) => EventPreview(value),
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AsyncError _ => Text(
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"An error occurred while fetching the reply",
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style: errorStyle,
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),
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_ => Text("Fetching event..."),
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},
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),
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),
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),
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switch (event.content) {
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EncryptedContent() => Text(
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"Unable to decrypt event",
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style: errorStyle,
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),
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// TODO: Handle locations
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// LocationMessageContent(:final body , :final geoUri) =>
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TextMessageContent(
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:final body,
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:final formattedBody,
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:final format,
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) ||
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NoticeMessageContent(
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:final body,
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:final formattedBody,
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:final format,
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) ||
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EmoteMessageContent(
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:final body,
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:final formattedBody,
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:final format,
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) ||
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ImageMessageContent(
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:final body,
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:final formattedBody,
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:final format,
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) ||
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VideoMessageContent(
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:final body,
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:final formattedBody,
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:final format,
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) ||
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AudioMessageContent(
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:final body,
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:final formattedBody,
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:final format,
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) ||
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FileMessageContent(
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:final body,
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:final formattedBody,
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:final format,
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) => Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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format == MessageFormat.html && !textOnly
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? Html(
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roomId: event.roomId,
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textStyle: textStyle,
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formattedBody!.replaceAllMapped(
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RegExp(
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r"(<a\b[^>]*>.*?<\/a>)|(\bhttps?:\/\/[^\s<]+)",
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caseSensitive: false,
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dotAll: true,
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),
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(m) {
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// If it's already an <a> tag, leave it unchanged
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if (m.group(1) != null) {
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return m.group(1)!;
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}
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// Otherwise, wrap the bare URL
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final url = m.group(2)!;
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return "<a href=\"$url\">$url</a>";
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},
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),
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)
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: Linkify(
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style: textStyle,
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text: body,
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maxLines: maxLines,
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overflow: maxLines == null
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? null
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: TextOverflow.ellipsis,
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options: LinkifyOptions(
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humanize: false,
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),
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onOpen: (link) => ref
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.watch(LaunchHelper.provider)
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.launchUrl(Uri.parse(link.url)),
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linkStyle: TextStyle(
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color: Theme.of(
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context,
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).colorScheme.primary,
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),
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),
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if (!textOnly) ...[
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if (event.content
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case ImageMessageContent(
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:final url,
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) ||
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FileMessageContent(:final url) ||
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VideoMessageContent(:final url) ||
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AudioMessageContent(:final url))
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switch (url?.mxcToHttps(
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ref.watch(
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ClientStateController.provider
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.select(
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(value) =>
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value!.homeserverUrl!,
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),
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),
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)) {
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final url? => ConstrainedBox(
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constraints: BoxConstraints.loose(
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Size.square(500),
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),
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child: switch (event.content) {
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VideoMessageContent(
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:final info,
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) =>
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VideoPlayer(url, info),
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AudioMessageContent(
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:final info,
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) =>
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AudioPlayer(url, info),
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FileMessageContent(
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:final info,
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:final filename,
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) =>
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FileCard(
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url,
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info,
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filename: filename,
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),
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ImageMessageContent(:final info) => ExpandableImage(
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url.toString(),
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child: ClipRRect(
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borderRadius:
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BorderRadius.all(
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Radius.circular(8),
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),
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child: Image(
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image: CachedNetworkImage(
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url.toString(),
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ref.watch(
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CrossCacheController
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.provider,
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),
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headers: ref.headers,
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),
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width: info?.width,
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loadingBuilder:
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(
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_,
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child,
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loadingProgress,
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) => loadingProgress == null
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? child
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: switch (info?.blurHash) {
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final blurHash? => SizedBox(
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width:
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info?.width ??
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info?.height ??
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200,
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height:
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info?.height ??
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info?.width ??
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200,
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child: BlurHash(
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hash: blurHash,
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),
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),
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_ => Loading(),
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},
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errorBuilder:
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(
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context,
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error,
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stackTrace,
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) => Center(
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child: Text(
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"Image Failed to Load",
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style: TextStyle(
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color: Theme.of(
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context,
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).colorScheme.error,
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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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_ => SizedBox.shrink(),
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},
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),
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_ => Text(
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"Nexus currently cannot handle encrypted media",
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style: errorStyle,
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),
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},
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if (event.lastEditRowId != 0)
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Text(
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"(edited)",
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style: theme.textTheme.labelSmall,
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),
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if (linkify(body).firstWhereOrNull(
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(element) => element is UrlElement,
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)
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case final UrlElement link?)
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UrlPreview(link.url),
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SizedBox(height: 4),
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ReactionRow(event),
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],
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],
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),
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MessageContent(:final body) => Row(
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spacing: 8,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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"Unknown message type:",
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style: errorStyle,
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),
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Text(body),
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],
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),
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_ => throw Exception("This is impossible"),
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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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MembershipContent content =>
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event.previousContent is MembershipContent &&
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(event.previousContent as MembershipContent).status ==
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content.status
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? null
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: MembershipRenderer(event),
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AvatarContent() => GenericEventRenderer(Icons.numbers, [
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Padding(
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padding: EdgeInsets.symmetric(horizontal: 4),
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child: Icon(Icons.numbers),
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),
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Flexible(child: MessageDisplayname(event)),
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Expanded(child: Text("changed the room avatar")),
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]),
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_ => null,
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};
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (child != null) ...[
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if (textOnly)
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child
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else
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GestureDetector(
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onSecondaryTapUp: contextMenuCallback,
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onLongPressStart: contextMenuCallback,
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child: Padding(
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padding: isGrouped ? EdgeInsets.zero : EdgeInsets.only(top: 8),
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child: child,
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),
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),
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if (event.content is! MessageContent)
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Padding(
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padding: EdgeInsetsGeometry.only(left: 12),
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child: ReactionRow(event),
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),
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if (event.sendError != null && event.sendError != "not sent")
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Text(
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event.sendError!,
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style: theme.textTheme.labelSmall?.copyWith(
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color: theme.colorScheme.error,
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),
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),
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] else if (textOnly)
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Text("Unknown event type", style: errorStyle),
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],
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);
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}
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}
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