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Three events the frontend had no way to learn about: - `PlaybackPositionChanged` carries `player.PositionInfo`, so the seek bar can render what the player is doing instead of counting seconds itself. - `PlaybackFailed` carries the file and the reason, from both the load and the play path, so a track that will not play stops being a silent no-op. - `TrackPlayCountChanged` carries everything needed to patch one track in place. `TrackMetadataChanged` means "the tags on disk were rewritten" and costs the frontend its entire library cache; finishing a track used to emit it. An event's cost is part of its meaning, and the expensive one must not be reused for something cheap.
99 lines
3.9 KiB
TypeScript
99 lines
3.9 KiB
TypeScript
// Code generated by genevents from backend/events/events.go. DO NOT EDIT.
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export const Events = {
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// Playback events (backend → frontend push)
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PlaybackStateChanged: "PlaybackStateChanged",
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PlaybackFinished: "PlaybackFinished",
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TrackChanged: "TrackChanged",
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SeekFailed: "SeekFailed",
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VolumeChanged: "VolumeChanged",
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MuteChanged: "MuteChanged",
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PlaybackPositionChanged: "PlaybackPositionChanged",
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PlaybackFailed: "PlaybackFailed",
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// Queue events (backend → frontend push)
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QueueChanged: "QueueChanged",
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QueueIndexChanged: "QueueIndexChanged",
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QueueModeChanged: "QueueModeChanged",
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QueueTracksModified: "QueueTracksModified",
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// Config events
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LibraryConfigChanged: "LibraryConfigChanged",
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ThemeConfigChanged: "ThemeConfigChanged",
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TrackListConfigChanged: "TrackListConfigChanged",
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FavoritesConfigChanged: "FavoritesConfigChanged",
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ShortcutsConfigChanged: "ShortcutsConfigChanged",
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// Playlist events
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PlaylistCreated: "PlaylistCreated",
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PlaylistDeleted: "PlaylistDeleted",
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PlaylistRenamed: "PlaylistRenamed",
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PlaylistTracksChanged: "PlaylistTracksChanged",
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PlaylistsRestored: "PlaylistsRestored",
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DefaultPlaylistChanged: "DefaultPlaylistChanged",
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// Library events
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LibraryScanStarted: "LibraryScanStarted",
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LibraryScanProgress: "LibraryScanProgress",
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LibraryScanComplete: "LibraryScanComplete",
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// Scan control events
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LibraryScanCancelled: "LibraryScanCancelled",
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LibraryScanPaused: "LibraryScanPaused",
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LibraryScanResumed: "LibraryScanResumed",
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// Scan queue events
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LibraryScanQueued: "LibraryScanQueued",
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LibraryScanQueueDrained: "LibraryScanQueueDrained",
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// Library CRUD events
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LibraryAdded: "LibraryAdded",
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LibraryRenamed: "LibraryRenamed",
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LibraryRemoved: "LibraryRemoved",
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// Tag writing events.
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//
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// TrackMetadataChanged means "tags on disk were rewritten", and the
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// frontend answers it by throwing the whole library cache away and
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// refetching — which is correct, because a retag can change an album
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// name, an artist, a genre, and therefore every derived collection.
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//
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// It must therefore not be reused for anything cheaper. Finishing a
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// track used to emit it, so every song cost a full refetch: ~37 MB
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// across the IPC per track at 50 000 tracks, and the user's track
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// selection cleared while music played (audit perf.C1/C2). That is
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// what TrackPlayCountChanged below exists to separate
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TrackMetadataChanged: "TrackMetadataChanged",
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BatchWriteProgress: "BatchWriteProgress",
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// Play statistics events.
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//
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// TrackPlayCountChanged carries everything needed to patch the one
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// track in place, precisely so no consumer has any reason to invalidate
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// a collection: {audioFileId, filePath, playCount, lastPlayed}
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TrackPlayCountChanged: "TrackPlayCountChanged",
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// Autotag apply events — emitted while an async ApplyAsync job is in flight so the review UI can render per-folder progress
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AutotagApplyStarted: "AutotagApplyStarted",
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AutotagApplyProgress: "AutotagApplyProgress",
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AutotagApplyFinished: "AutotagApplyFinished",
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// Autotag prefetch events — emitted by the background worker that scores pending tagging items so sidebar pills populate without the user having to open each folder
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AutotagPrefetchProgress: "AutotagPrefetchProgress",
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AutotagPrefetchFinished: "AutotagPrefetchFinished",
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// Background job events
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JobsChanged: "JobsChanged",
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// Explore / search index events
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IndexStatusChanged: "IndexStatusChanged",
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ArtistDiscographyReady: "ArtistDiscographyReady",
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ArtistSimilarReady: "ArtistSimilarReady",
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AlbumReleasesReady: "AlbumReleasesReady",
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DownloadProvidersChanged: "DownloadProvidersChanged",
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DownloadsChanged: "DownloadsChanged",
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RequestsChanged: "RequestsChanged",
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} as const;
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export type EventName = (typeof Events)[keyof typeof Events];
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