feat(profile): default avatars via DiceBear "thumbs" (CC0), drop boring_avatars

Replace the flutter_boring_avatars fallback with a friendly DiceBear
"thumbs" face, generated offline (dicebear_core) and deterministically
from the pubkey, rendered as SVG (flutter_svg). The thumbs style is
CC0 1.0 (public domain) — no attribution, AGPL-clean — unlike Multiavatar
whose custom licence restricts use. Style parsed once and per-pubkey SVG
memoized; the CC0 <metadata> block is stripped to keep flutter_svg quiet.
This commit is contained in:
vjrj 2026-07-12 14:12:37 +02:00
parent d85b557f1e
commit d4a9142ee2
6 changed files with 153 additions and 45 deletions

View file

@ -3,7 +3,6 @@ import 'dart:async';
import 'package:commons_core/commons_core.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_boring_avatars/flutter_boring_avatars.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:tane/domain/chat_timeline.dart';
@ -129,10 +128,10 @@ void main() {
// so you can tell who said what at a glance.
expect(find.byType(PeerAvatar), findsNWidgets(2));
final generated = tester
.widgetList<BoringAvatar>(find.byType(BoringAvatar))
.widgetList<GeneratedAvatar>(find.byType(GeneratedAvatar))
.toList();
expect(generated, hasLength(2));
expect(generated.first.name, isNot(generated.last.name));
expect(generated.first.pubkey, isNot(generated.last.pubkey));
});
testWidgets('a new message lands in view at the bottom, not below the fold', (

View file

@ -1,5 +1,4 @@
import 'package:flutter/material.dart';
import 'package:flutter_boring_avatars/flutter_boring_avatars.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:tane/services/profile_cache.dart';
import 'package:tane/ui/avatar.dart';
@ -38,18 +37,19 @@ void main() {
home: Scaffold(body: Center(child: child)),
);
testWidgets('falls back to a generated pattern keyed by pubkey', (
testWidgets('falls back to a generated avatar keyed by pubkey', (
tester,
) async {
await tester.pumpWidget(host(PeerAvatar(pubkey: 'aa', name: 'rosa')));
final generated = tester.widget<BoringAvatar>(find.byType(BoringAvatar));
expect(generated.name, 'aa'); // pubkey, not name stable across renames
final generated =
tester.widget<GeneratedAvatar>(find.byType(GeneratedAvatar));
expect(generated.pubkey, 'aa'); // pubkey, not name stable across renames
expect(find.byType(Text), findsNothing);
});
testWidgets('generates it even when the name is unknown', (tester) async {
await tester.pumpWidget(host(const PeerAvatar(pubkey: 'aa')));
expect(find.byType(BoringAvatar), findsOneWidget);
expect(find.byType(GeneratedAvatar), findsOneWidget);
});
testWidgets('renders a seed illustration when the avatar is a token', (
@ -76,19 +76,19 @@ void main() {
expect(find.byType(SeedGlyph), findsOneWidget);
});
testWidgets('falls back to the generated pattern when nothing is cached', (
testWidgets('falls back to the generated avatar when nothing is cached', (
tester,
) async {
final cache = ProfileCache(InMemorySecretStore());
await tester.pumpWidget(host(
CachedAvatar(pubkey: 'peer2', name: 'Bea', cache: cache)));
await tester.pumpAndSettle();
expect(find.byType(BoringAvatar), findsOneWidget);
expect(find.byType(GeneratedAvatar), findsOneWidget);
});
testWidgets('no cache → the generated pattern', (tester) async {
testWidgets('no cache → the generated avatar', (tester) async {
await tester.pumpWidget(host(const CachedAvatar(pubkey: 'x', name: 'Bea')));
expect(find.byType(BoringAvatar), findsOneWidget);
expect(find.byType(GeneratedAvatar), findsOneWidget);
});
});
}