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nexus/lib/widgets/renderers/message.dart
Henry-Hiles d2ec5f035b
treewide: use dot shorthands where possible
Now this feature is stable, we should use it. I might have missed some usecases, but these can be added in future commits.
2026-06-02 12:50:56 -04:00

299 lines
12 KiB
Dart

import "package:collection/collection.dart";
import "package:flutter/material.dart";
import "package:flutter_riverpod/flutter_riverpod.dart";
import "package:linkify/linkify.dart";
import "package:nexus/controllers/client_state_controller.dart";
import "package:nexus/controllers/event_controller.dart";
import "package:nexus/helpers/extensions/mxc_to_https.dart";
import "package:nexus/models/content/encrypted.dart";
import "package:nexus/models/content/message.dart";
import "package:nexus/models/content/sticker.dart";
import "package:nexus/models/event.dart";
import "package:nexus/widgets/file_card.dart";
import "package:nexus/widgets/html/html.dart";
import "package:nexus/widgets/lazy_loading/message_avatar.dart";
import "package:nexus/widgets/lazy_loading/message_displayname.dart";
import "package:nexus/widgets/linkified_text.dart";
import "package:nexus/widgets/message_image.dart";
import "package:nexus/widgets/reaction_row.dart";
import "package:nexus/widgets/url_preview.dart";
import "package:timeago/timeago.dart";
import "package:nexus/widgets/event_preview.dart";
import "package:nexus/widgets/players/video.dart";
import "package:nexus/widgets/players/audio.dart";
class MessageRenderer extends ConsumerWidget {
final Event event;
final bool textOnly;
final bool isGrouped;
final int? maxLines;
final VoidCallback? onTapReply;
const MessageRenderer(
this.event, {
this.onTapReply,
this.textOnly = false,
this.isGrouped = false,
this.maxLines,
super.key,
});
@override
Widget build(BuildContext context, WidgetRef ref) {
final theme = Theme.of(context);
final colorScheme = theme.colorScheme;
final errorStyle = TextStyle(color: colorScheme.error);
final timestamp = Tooltip(
message: event.timestamp.toString(),
child: Text(
format(event.timestamp),
maxLines: 1,
overflow: .ellipsis,
style: theme.textTheme.labelSmall?.copyWith(color: Colors.grey),
),
);
final textStyle = TextStyle(
fontSize: event.localContent?.bigEmoji == true ? 32 : null,
fontStyle: event.content is EmoteMessageContent ? .italic : null,
);
return Row(
crossAxisAlignment: .start,
mainAxisSize: .min,
spacing: 8,
children: [
if (!textOnly)
if (isGrouped)
SizedBox(width: 40)
else
MessageAvatar(event, height: 40),
Flexible(
child: Column(
spacing: 4,
crossAxisAlignment: .start,
children: [
if (!isGrouped && !textOnly)
Row(
spacing: 4,
children: [
Flexible(child: MessageDisplayname(event)),
Flexible(flex: 0, child: timestamp),
],
),
Card(
margin: textOnly ? .zero : .only(bottom: 4),
color: textOnly
? Colors.transparent
: ref.watch(
ClientStateController.provider.select(
(value) => value?.userId,
),
) ==
event.sender
? (event.eventId.startsWith("~")
? colorScheme.onPrimary
: colorScheme.primaryContainer)
: colorScheme.surfaceContainer,
elevation: textOnly ? 0 : null,
child: Padding(
padding: textOnly ? .zero : .all(12),
child: Column(
crossAxisAlignment: .start,
children: [
if (!textOnly && event.replyTo != null)
Card(
margin: .only(bottom: 8),
color: theme.colorScheme.surfaceContainerHigh,
child: InkWell(
onTap: onTapReply,
child: Padding(
padding: .symmetric(vertical: 8, horizontal: 12),
child: switch (ref.watch(
EventController.provider(
.new(
roomId: event.roomId,
eventId: event.replyTo!,
),
),
)) {
AsyncData(:final value?) ||
AsyncLoading(
:final value?,
) => EventPreview(value),
AsyncError _ => Text(
"An error occurred while fetching the reply",
style: errorStyle,
),
_ => Text("Fetching event..."),
},
),
),
),
switch (event.content) {
EncryptedContent() => Text(
"Unable to decrypt event",
style: errorStyle,
),
StickerContent(:final body, :final url, :final info) =>
textOnly
? Text(
body,
maxLines: maxLines,
overflow: .ellipsis,
)
: ConstrainedBox(
constraints: .loose(.square(200)),
child: MessageImage(
url.mxcToHttps(
ref.watch(
ClientStateController.provider.select(
(value) => value!.homeserverUrl!,
),
),
),
info: info,
),
),
// TODO: Handle locations
// LocationMessageContent(:final body , :final geoUri) =>
TextMessageContent(
:final body,
:final formattedBody,
:final format,
) ||
NoticeMessageContent(
:final body,
:final formattedBody,
:final format,
) ||
EmoteMessageContent(
:final body,
:final formattedBody,
:final format,
) ||
ImageMessageContent(
:final body,
:final formattedBody,
:final format,
) ||
VideoMessageContent(
:final body,
:final formattedBody,
:final format,
) ||
AudioMessageContent(
:final body,
:final formattedBody,
:final format,
) ||
FileMessageContent(
:final body,
:final formattedBody,
:final format,
) => Column(
crossAxisAlignment: .start,
children: [
format == .html && !textOnly
? Html(
roomId: event.roomId,
textStyle: textStyle,
formattedBody!.replaceAllMapped(
RegExp(
r"(<a\b[^>]*>.*?<\/a>)|(\bhttps?:\/\/[^\s<]+)",
caseSensitive: false,
dotAll: true,
),
(m) {
// If it's already an <a> tag, leave it unchanged
if (m.group(1) != null) {
return m.group(1)!;
}
// Otherwise, wrap the bare URL
final url = m.group(2)!;
return "<a href=\"$url\">$url</a>";
},
),
)
: LinkifiedText(
body,
style: textStyle,
maxLines: maxLines,
),
if (!textOnly) ...[
if (event.content
case ImageMessageContent(:final url) ||
FileMessageContent(:final url) ||
VideoMessageContent(:final url) ||
AudioMessageContent(:final url))
switch (url?.mxcToHttps(
ref.watch(
ClientStateController.provider.select(
(value) => value!.homeserverUrl!,
),
),
)) {
final url? => ConstrainedBox(
constraints: .loose(.square(500)),
child: switch (event.content) {
VideoMessageContent(:final info) =>
VideoPlayer(url, info),
AudioMessageContent(:final info) =>
AudioPlayer(url, info),
FileMessageContent(
:final info,
:final filename,
) =>
FileCard(url, info, filename: filename),
ImageMessageContent(:final info) =>
MessageImage(url, info: info),
_ => SizedBox.shrink(),
},
),
_ => Text(
"Nexus currently cannot handle encrypted media",
style: errorStyle,
),
},
if (event.lastEditRowId != 0)
Text(
"(edited)",
style: theme.textTheme.labelSmall,
),
if (linkify(body).firstWhereOrNull(
(element) => element is UrlElement,
)
case final UrlElement link?)
UrlPreview(link.url),
SizedBox(height: 4),
ReactionRow(event),
],
],
),
MessageContent(:final body) => Row(
spacing: 8,
mainAxisSize: .min,
children: [
Text("Unknown message type:", style: errorStyle),
Text(body),
],
),
_ => throw Exception("This is impossible"),
},
],
),
),
),
],
),
),
],
);
}
}