Init

src/app/event.rs

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+use std::sync::Arc;
+
+use crate::api::auth::AuthSession;
+use crate::api::models::{
+    ArtistDetail, ArtistsPage, PlaylistCard, PlaylistDetail, ReleaseDetail, SearchResults,
+    TrackItem,
+};
+use crate::art::ArtImage;
+
+/// Events delivered to the main loop by background tasks (API fetches, the
+/// playback engine, device sync). Tasks never touch AppState directly.
+#[derive(Debug)]
+pub enum AppEvent {
+    StatusMessage(String),
+    LoginSucceeded(Box<AuthSession>),
+    LoginFailed(String),
+    /// Loopback listener received the browser SSO callback.
+    SsoCallback(Result<String, String>),
+    /// Refresh token rejected — stored credentials were deleted.
+    SessionExpired,
+    /// A page of the Global artists list arrived (or failed).
+    ArtistsLoaded(Result<ArtistsPage, String>),
+    ArtistViewLoaded {
+        id: i64,
+        result: Result<ArtistDetail, String>,
+    },
+    ReleaseViewLoaded {
+        id: i64,
+        result: Result<ReleaseDetail, String>,
+    },
+    /// Live search results; `seq` drops responses that are already stale.
+    SearchLoaded {
+        seq: u64,
+        result: Result<SearchResults, String>,
+    },
+    /// Artwork fetched and decoded for the shared art cache.
+    ArtLoaded {
+        key: String,
+        art: Option<Arc<ArtImage>>,
+    },
+    Player(crate::player::PlayerEvent),
+    /// A command from the OS media keys.
+    Media(crate::media::MediaCommand),
+    /// Gapless prefetch could not open the stream; the normal track-switch
+    /// path takes over when the current track ends.
+    PrefetchFailed {
+        pos: usize,
+    },
+    PlaylistsLoaded(Result<Vec<PlaylistCard>, String>),
+    PlaylistViewLoaded {
+        id: i64,
+        result: Result<PlaylistDetail, String>,
+    },
+    /// Liked track ids for the ♥ markers.
+    LikesLoaded(Result<Vec<i64>, String>),
+    LikeToggled {
+        track_id: i64,
+        liked: bool,
+    },
+    /// A release fetched for queueing (a / shift-a on a release).
+    EnqueueTracks {
+        tracks: Vec<TrackItem>,
+        next: bool,
+    },
+}