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service: share home list logic between service/ui
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110 changes: 110 additions & 0 deletions
110
app/src/main/java/org/oxycblt/auxio/home/list/HomeListGenerator.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package org.oxycblt.auxio.home.list | ||
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| import org.oxycblt.auxio.home.HomeSettings | ||
| import org.oxycblt.auxio.list.ListSettings | ||
| import org.oxycblt.auxio.list.adapter.UpdateInstructions | ||
| import org.oxycblt.auxio.music.Album | ||
| import org.oxycblt.auxio.music.Artist | ||
| import org.oxycblt.auxio.music.Genre | ||
| import org.oxycblt.auxio.music.MusicRepository | ||
| import org.oxycblt.auxio.music.MusicType | ||
| import org.oxycblt.auxio.music.Playlist | ||
| import org.oxycblt.auxio.music.Song | ||
| import org.oxycblt.auxio.playback.PlaybackSettings | ||
| import org.oxycblt.auxio.util.logD | ||
| import javax.inject.Inject | ||
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| interface HomeListGenerator { | ||
| fun songs(): List<Song> | ||
| fun albums(): List<Album> | ||
| fun artists(): List<Artist> | ||
| fun genres(): List<Genre> | ||
| fun playlists(): List<Playlist> | ||
| fun release() | ||
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| interface Invalidator { | ||
| fun invalidate(type: MusicType, instructions: UpdateInstructions) | ||
| } | ||
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| interface Factory { | ||
| fun create(invalidator: Invalidator): HomeListGenerator | ||
| } | ||
| } | ||
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| private class HomeListGeneratorImpl( | ||
| private val invalidator: HomeListGenerator.Invalidator, | ||
| private val homeSettings: HomeSettings, | ||
| private val listSettings: ListSettings, | ||
| private val musicRepository: MusicRepository, | ||
| ) : HomeListGenerator, HomeSettings.Listener, ListSettings.Listener, MusicRepository.UpdateListener { | ||
| override fun songs() = | ||
| musicRepository.deviceLibrary?.let { listSettings.songSort.songs(it.songs) } ?: emptyList() | ||
| override fun albums() = musicRepository.deviceLibrary?.let { listSettings.albumSort.albums(it.albums) } ?: emptyList() | ||
| override fun artists() = musicRepository.deviceLibrary?.let { listSettings.artistSort.artists(it.artists) } ?: emptyList() | ||
| override fun genres() = musicRepository.deviceLibrary?.let { listSettings.genreSort.genres(it.genres) } ?: emptyList() | ||
| override fun playlists() = musicRepository.userLibrary?.let { listSettings.playlistSort.playlists(it.playlists) } ?: emptyList() | ||
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| init { | ||
| homeSettings.registerListener(this) | ||
| listSettings.registerListener(this) | ||
| musicRepository.addUpdateListener(this) | ||
| } | ||
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| override fun release() { | ||
| homeSettings.unregisterListener(this) | ||
| listSettings.unregisterListener(this) | ||
| musicRepository.removeUpdateListener(this) | ||
| } | ||
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| override fun onHideCollaboratorsChanged() { | ||
| // Changes in the hide collaborator setting will change the artist contents | ||
| // of the library, consider it a library update. | ||
| logD("Collaborator setting changed, forwarding update") | ||
| onMusicChanges(MusicRepository.Changes(deviceLibrary = true, userLibrary = false)) | ||
| } | ||
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| override fun onSongSortChanged() { | ||
| super.onSongSortChanged() | ||
| invalidator.invalidate(MusicType.SONGS, UpdateInstructions.Replace(0)) | ||
| } | ||
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| override fun onAlbumSortChanged() { | ||
| super.onAlbumSortChanged() | ||
| invalidator.invalidate(MusicType.ALBUMS, UpdateInstructions.Replace(0)) | ||
| } | ||
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| override fun onArtistSortChanged() { | ||
| super.onArtistSortChanged() | ||
| invalidator.invalidate(MusicType.ARTISTS, UpdateInstructions.Replace(0)) | ||
| } | ||
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| override fun onGenreSortChanged() { | ||
| super.onGenreSortChanged() | ||
| invalidator.invalidate(MusicType.GENRES, UpdateInstructions.Replace(0)) | ||
| } | ||
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| override fun onPlaylistSortChanged() { | ||
| super.onPlaylistSortChanged() | ||
| invalidator.invalidate(MusicType.PLAYLISTS, UpdateInstructions.Replace(0)) | ||
| } | ||
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| override fun onMusicChanges(changes: MusicRepository.Changes) { | ||
| val deviceLibrary = musicRepository.deviceLibrary | ||
| if (changes.deviceLibrary && deviceLibrary != null) { | ||
| logD("Refreshing library") | ||
| // Get the each list of items in the library to use as our list data. | ||
| // Applying the preferred sorting to them. | ||
| invalidator.invalidate(MusicType.SONGS, UpdateInstructions.Diff) | ||
| invalidator.invalidate(MusicType.ALBUMS, UpdateInstructions.Diff) | ||
| invalidator.invalidate(MusicType.ARTISTS, UpdateInstructions.Diff) | ||
| invalidator.invalidate(MusicType.GENRES, UpdateInstructions.Diff) | ||
| } | ||
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| val userLibrary = musicRepository.userLibrary | ||
| if (changes.userLibrary && userLibrary != null) { | ||
| logD("Refreshing playlists") | ||
| invalidator.invalidate(MusicType.PLAYLISTS, UpdateInstructions.Diff) | ||
| } | ||
| } | ||
|
|
||
| } |
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