Skip to content

fix(mobile): open threads at the newest reply, with a shared jump-to-latest pill #5364

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
NuCl34R wants to merge 2 commits into
base: main
Choose a base branch
from
Open

fix(mobile): open threads at the newest reply, with a shared jump-to-latest pill #5364

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
eb2308d
fix(mobile): open threads scrolled to the newest reply
NuCl34R Aug 9, 2026
8e84005
feat(mobile): jump-to-latest pill in thread view
NuCl34R Aug 9, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion mobile/lib/features/channels/channel_detail_page.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
import 'dart:async';
import 'dart:math' show min;
import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart' show ScrollDirection;
Expand Down Expand Up @@ -42,6 +41,7 @@ import 'date_formatters.dart';
import 'day_divider.dart';
import 'dm_channel_labels.dart';
import 'ephemeral_channel_display.dart';
import 'jump_to_latest_button.dart';
import 'members_sheet.dart';
import 'message_actions.dart';
import 'message_long_press_region.dart';
Expand Down
64 changes: 2 additions & 62 deletions mobile/lib/features/channels/channel_detail_page/message_list.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -550,8 +550,9 @@ class _MessageList extends HookConsumerWidget {
right: 0,
bottom: composerBottomInset + Grid.xs,
child: Center(
child: _JumpToLatestButton(
child: JumpToLatestButton(
key: const ValueKey('channel-jump-to-latest'),
surfaceKey: const ValueKey('channel-jump-to-latest-surface'),
onPressed: scrollToLatest,
),
),
Expand All @@ -561,67 +562,6 @@ class _MessageList extends HookConsumerWidget {
}
}

class _JumpToLatestButton extends StatelessWidget {
final VoidCallback onPressed;

const _JumpToLatestButton({required this.onPressed, super.key});

@override
Widget build(BuildContext context) {
final borderRadius = BorderRadius.circular(Radii.full);
return Semantics(
button: true,
child: ClipRRect(
borderRadius: borderRadius,
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 20, sigmaY: 20),
child: Container(
key: const ValueKey('channel-jump-to-latest-surface'),
decoration: BoxDecoration(
color: context.colors.surface.withValues(alpha: 0.5),
borderRadius: borderRadius,
border: Border.all(
color: Colors.black.withValues(alpha: 0.04),
width: 1,
),
),
child: Material(
type: MaterialType.transparency,
child: InkWell(
onTap: onPressed,
borderRadius: borderRadius,
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: Grid.gutter,
vertical: Grid.xxs,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
LucideIcons.arrowDown,
size: 16,
color: context.colors.onSurface,
),
const SizedBox(width: Grid.half),
Text(
'Latest',
style: context.textTheme.labelLarge?.copyWith(
color: context.colors.onSurface,
),
),
],
),
),
),
),
),
),
),
);
}
}

class _ChannelLatestMetricsObserver with WidgetsBindingObserver {
final VoidCallback onMetricsChanged;

Expand Down
80 changes: 80 additions & 0 deletions mobile/lib/features/channels/jump_to_latest_button.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,80 @@
import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:lucide_icons_flutter/lucide_icons.dart';

import '../../shared/theme/theme.dart';

/// Frosted pill that jumps a message timeline back to its newest entry.
///
/// Shared by the channel timeline and the thread detail page. Callers show
/// it only while the newest message is scrolled out of view and hide it once
/// the tail is visible again.
class JumpToLatestButton extends StatelessWidget {
final VoidCallback onPressed;

/// Optional key for the frosted surface container, kept separate from the
/// widget [key] so tests can target the surface decoration directly.
final Key? surfaceKey;

const JumpToLatestButton({
required this.onPressed,
this.surfaceKey,
super.key,
});

@override
Widget build(BuildContext context) {
final borderRadius = BorderRadius.circular(Radii.full);
return Semantics(
button: true,
child: ClipRRect(
borderRadius: borderRadius,
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 20, sigmaY: 20),
child: Container(
key: surfaceKey,
decoration: BoxDecoration(
color: context.colors.surface.withValues(alpha: 0.5),
borderRadius: borderRadius,
border: Border.all(
color: Colors.black.withValues(alpha: 0.04),
width: 1,
),
),
child: Material(
type: MaterialType.transparency,
child: InkWell(
onTap: onPressed,
borderRadius: borderRadius,
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: Grid.gutter,
vertical: Grid.xxs,
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
LucideIcons.arrowDown,
size: 16,
color: context.colors.onSurface,
),
const SizedBox(width: Grid.half),
Text(
'Latest',
style: context.textTheme.labelLarge?.copyWith(
color: context.colors.onSurface,
),
),
],
),
),
),
),
),
),
),
);
}
}
Loading