fluffychat/lib/components/html_message.dart
2020-05-15 05:47:32 +00:00

100 lines
3.1 KiB
Dart

import 'package:famedlysdk/famedlysdk.dart';
import 'package:flutter_matrix_html/flutter_html.dart';
import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';
import 'matrix.dart';
class HtmlMessage extends StatelessWidget {
final String html;
final int maxLines;
final Room room;
final TextStyle defaultTextStyle;
final TextStyle linkStyle;
const HtmlMessage({this.html, this.maxLines, this.room, this.defaultTextStyle, this.linkStyle});
@override
Widget build(BuildContext context) {
// there is no need to pre-validate the html, as we validate it while rendering
final themeData = Theme.of(context);
return Html(
data: html,
defaultTextStyle: defaultTextStyle,
linkStyle: linkStyle ?? themeData.textTheme.bodyText2.copyWith(
color: themeData.accentColor,
decoration: TextDecoration.underline,
),
shrinkToFit: true,
maxLines: maxLines,
onLinkTap: (String url) {
if (url == null || url.isEmpty) {
return;
}
launch(url);
},
getMxcUrl: (String mxc, double width, double height) {
final ratio = MediaQuery.of(context).devicePixelRatio;
return Uri.parse(mxc)?.getThumbnail(
Matrix.of(context).client,
width: (width ?? 800) * ratio,
height: (height ?? 800) * ratio,
method: ThumbnailMethod.scale,
);
},
getPillInfo: (String identifier) async {
if (room == null) {
return null;
}
if (identifier[0] == '@') {
// we have a user pill
final user = room.getState('m.room.member', identifier);
if (user != null) {
return user.content;
}
// there might still be a profile...
final profile = await room.client.getProfileFromUserId(identifier);
if (profile != null) {
return {
'displayname': profile.displayname,
'avatar_url': profile.avatarUrl.toString(),
};
}
return null;
}
if (identifier[0] == '#') {
// we have an alias pill
for (final r in room.client.rooms) {
final state = r.getState('m.room.canonical_alias');
if (
state != null && (
(state.content['alias'] is String && state.content['alias'] == identifier) ||
(state.content['alt_aliases'] is List && state.content['alt_aliases'].contains(identifier))
)) {
// we have a room!
return {
'displayname': identifier,
'avatar_url': r.getState('m.room.avatar')?.content['url'],
};
}
}
return null;
}
if (identifier[0] == '!') {
// we have a room ID pill
final r = room.client.getRoomById(identifier);
if (r == null) {
return null;
}
return {
'displayname': r.canonicalAlias,
'avatar_url': r.getState('m.room.avatar')?.content['url'],
};
}
return null;
},
);
}
}