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feat: render Buzz channel recent-poster facepile with the standard avatar

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The recent-posters facepile in a Buzz community's channel rows drew each
poster with ObserveAndDrawInnerUserPicture — a bare cropped image wrapped
in a surface-coloured ring, overlapped into a deck. That omitted the
following badge and trust-score tag every other user avatar in the app
carries.

Draw each poster with ClickableUserPicture (the regular BaseUserPicture
path) instead, so the facepile shows the following icon (top-right) and
trust-score tag (bottom-centre). Lay the avatars out with a small gap
rather than an overlapping stack so those badges stay readable.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013f3JZdoChYEEDtqTArFAxn
This commit is contained in:
Claude
2026-07-28 18:54:23 +00:00
parent 48eea9a350
commit baf5f37532
1 changed files with 15 additions and 39 deletions
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amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/concord/ConcordFacepile.kt
+15 -39
View File
@@ -20,65 +20,41 @@
*/
package com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.publicChannels.concord
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.material3.MaterialTheme
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp
import androidx.compose.ui.zIndex
import com.vitorpamplona.amethyst.ui.note.DisplayBlankAuthor
import com.vitorpamplona.amethyst.ui.note.ObserveAndDrawInnerUserPicture
import com.vitorpamplona.amethyst.ui.note.ClickableUserPicture
import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
import com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.rooms.LoadUser
import com.vitorpamplona.quartz.nip01Core.core.HexKey
/**
* A horizontal stack of overlapping avatars for the recent posters in a channel — the "who's here"
* cue that makes a busy channel feel alive. Each avatar wears a thin ring in the row's background
* colour so the overlap reads as a deck of cards; the newest poster sits on top (leftmost, highest
* z-index). Renders nothing for an empty [authorHexes], so callers can drop it in unconditionally.
* A horizontal strip of the recent posters in a channel — the "who's here" cue that makes a busy
* channel feel alive. Each poster is drawn with the app's standard profile avatar
* ([ClickableUserPicture]), so it carries the same following badge (top-right) and trust-score tag
* (bottom-centre) shown everywhere else a user appears, instead of a bare cropped image. Laid out
* with a small gap rather than an overlapping stack so those badges stay readable; the newest poster
* is leftmost. Renders nothing for an empty [authorHexes], so callers can drop it in unconditionally.
*/
@Composable
fun ConcordAuthorFacepile(
authorHexes: List<HexKey>,
accountViewModel: AccountViewModel,
modifier: Modifier = Modifier,
avatarSize: Dp = 22.dp,
avatarSize: Dp = 24.dp,
maxShown: Int = 4,
) {
if (authorHexes.isEmpty()) return
val shown = authorHexes.take(maxShown)
// A ring one-and-a-half dp wide, and each avatar pulled left over its neighbour by a third of
// its width — enough overlap to read as a stack without hiding faces.
val ring = 1.5.dp
val overlap = avatarSize * 0.36f
Row(modifier, horizontalArrangement = Arrangement.spacedBy(-overlap)) {
shown.forEachIndexed { index, hex ->
Box(
Modifier
// Newest (index 0) on top so it isn't clipped by the one after it.
.zIndex((shown.size - index).toFloat())
.size(avatarSize)
.clip(CircleShape)
.background(MaterialTheme.colorScheme.surface)
.padding(ring),
) {
LoadUser(baseUserHex = hex, accountViewModel) { user ->
if (user != null) {
ObserveAndDrawInnerUserPicture(user, avatarSize - ring * 2, accountViewModel)
} else {
DisplayBlankAuthor(avatarSize - ring * 2, Modifier, accountViewModel)
}
}
}
Row(modifier, horizontalArrangement = Arrangement.spacedBy(2.dp)) {
shown.forEach { hex ->
ClickableUserPicture(
baseUserHex = hex,
size = avatarSize,
accountViewModel = accountViewModel,
)
}
}
}