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library: keep detail scroll positions across navigation

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austinried
2026-10-21 10:13:52 +00:00
parent 61774a19ca
commit 2c6af4b126
4 changed files with 34 additions and 23 deletions
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app/src/main/kotlin/com/subtracks/ui/library/AlbumDetailViewModel.kt
+10 -4
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@@ -15,7 +15,6 @@ import com.subtracks.data.repo.LibraryRepository
import com.subtracks.data.repo.SourceRepository
import com.subtracks.playback.PlaybackController
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.SharingStarted
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.combine
@@ -35,13 +34,20 @@ class AlbumDetailViewModel(
) : ViewModel() {
private val sourceId = libraryRepository.activeSourceId.filterNotNull()
val album: Flow<Album?> = sourceId.flatMapLatest { libraryRepository.album(it, albumId) }
val album: StateFlow<Album?> =
sourceId
.flatMapLatest { libraryRepository.album(it, albumId) }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), null)
val songs: Flow<List<Song>> =
val songs: StateFlow<List<Song>> =
combine(sourceId, sourceRepository.offline) { id, offline -> id to offline }
.flatMapLatest { (id, offline) -> libraryRepository.albumSongs(id, albumId, offline) }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), emptyList())
val discs: Flow<List<Disc>> = sourceId.flatMapLatest { libraryRepository.albumDiscs(it, albumId) }
val discs: StateFlow<List<Disc>> =
sourceId
.flatMapLatest { libraryRepository.albumDiscs(it, albumId) }
.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), emptyList())
val downloads: StateFlow<Map<String, SongDownload>> = downloadRepository.states()