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lib.rs
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856 lines (819 loc) Β· 38.5 KB
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//! WaveFlow Tauri backend entry point.
//!
//! Sets up tracing, resolves filesystem paths, opens the global `app.db`
//! (running any pending migrations) and exposes the initial set of Tauri
//! commands to the frontend.
mod analysis;
mod audio;
mod backup;
mod commands;
mod db;
mod deezer;
mod discord_presence;
mod dlna;
mod error;
mod lastfm;
mod logging;
mod lrclib;
mod media_controls;
mod metadata_artwork;
mod offline;
mod paths;
mod queue;
mod scrobbler;
mod smart_playlists;
mod spotify;
mod state;
mod thumbnails;
mod watcher;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use std::time::Duration;
use tauri::{
menu::{Menu, MenuItem, PredefinedMenuItem},
tray::{MouseButton, MouseButtonState, TrayIconBuilder, TrayIconEvent},
AppHandle, Listener, Manager, WindowEvent,
};
use audio::{AudioCmd, AudioEngine};
use queue::Direction;
use state::AppState;
use watcher::WatcherManager;
/// Set to `true` by the tray "Quit" menu before calling `app.exit()`.
/// `WindowEvent::CloseRequested` checks the flag: if armed, the close
/// proceeds to actual shutdown; otherwise the close is intercepted and
/// the window is hidden instead (close-to-tray default).
struct QuitGate(AtomicBool);
const TRAY_ID: &str = "waveflow";
#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
// Initialize structured logging. `RUST_LOG` overrides the default
// filter. The returned guard owns the non-blocking file writer's
// background thread and must be held until the process exits β a
// dropped guard flushes and closes the file early, losing the tail
// of the log right when a crash report is most useful.
let _log_guard = logging::init_tracing();
// `mut` is only consumed when the updater plugin is wired in (release
// builds); the lint would fire in debug otherwise.
#[allow(unused_mut)]
let mut builder = tauri::Builder::default()
// Single-instance MUST be the first plugin so a second launch
// exits cleanly before any heavy init (pool open, audio engine,
// tray, watchers) runs in the duplicate process.
.plugin(tauri_plugin_single_instance::init(|app, _argv, _cwd| {
if let Some(window) = app.get_webview_window("main") {
let _ = window.show();
let _ = window.unminimize();
let _ = window.set_focus();
}
}))
// Autostart wiring. Pass `--minimized` so the OS-launched
// instance shows up in the tray without grabbing focus β the
// user expressed intent to "start with the system", not "open
// a window every boot". The frontend reads `?autostart=1` from
// `argv` if it ever wants to surface a "launched on boot"
// banner; not used today.
.plugin(tauri_plugin_autostart::init(
tauri_plugin_autostart::MacosLauncher::LaunchAgent,
Some(vec!["--minimized"]),
))
.plugin(tauri_plugin_opener::init())
.plugin(tauri_plugin_dialog::init());
// Auto-updater is wired in release builds only. In dev (`tauri dev`)
// the binary points at the local source tree, the version is the
// working copy, and there's no signed manifest to fetch β the
// plugin would just spam errors. Ship-only by design.
#[cfg(not(debug_assertions))]
{
builder = builder.plugin(tauri_plugin_updater::Builder::new().build());
}
builder
.manage(QuitGate(AtomicBool::new(false)))
.setup(|app| {
let init_handle = app.handle().clone();
let engine_handle = app.handle().clone();
// Block on the async init β this runs once at startup before any
// command can be dispatched, so blocking here is acceptable.
let state =
tauri::async_runtime::block_on(async move { AppState::init(&init_handle).await })?;
// Hydrate the close-to-tray flag once at boot. The atomic
// is the source of truth for `WindowEvent::CloseRequested`
// so it has to be in place before the first user input.
let minimize_to_tray = tauri::async_runtime::block_on(
commands::preferences::load_minimize_to_tray(&state.app_db),
);
app.manage(commands::preferences::PreferencesState::new(
minimize_to_tray,
));
app.manage(state);
// Audio engine lives alongside AppState. `new` spawns the cpal
// output thread (silence callback) and the decoder thread, both
// receiving a clone of the AppHandle so they can emit Tauri
// events (player:position, player:state, player:track-ended,
// player:error) directly.
//
// Pull the persisted output-device name (if any) from the
// active profile so the user lands on whatever output they
// last picked instead of the OS default. Empty string in
// the row means "follow the OS default" β see
// `player_set_output_device`.
let (persisted_device, persisted_wasapi_exclusive) =
tauri::async_runtime::block_on(async {
let state = app.state::<AppState>();
let Ok(pool) = state.require_profile_pool().await else {
return (None, false);
};
let device: Option<String> = sqlx::query_scalar(
"SELECT value FROM profile_setting WHERE key = 'audio.output_device'",
)
.fetch_optional(&pool)
.await
.ok()
.flatten()
.filter(|s: &String| !s.is_empty());
let exclusive: bool = sqlx::query_scalar::<_, String>(
"SELECT value FROM profile_setting WHERE key = 'audio.wasapi_exclusive'",
)
.fetch_optional(&pool)
.await
.ok()
.flatten()
.map(|s| s == "1" || s == "true")
.unwrap_or(false);
(device, exclusive)
});
let engine: Arc<AudioEngine> = AudioEngine::new_with_device(
engine_handle,
persisted_device,
persisted_wasapi_exclusive,
);
app.manage(engine);
// Filesystem watcher manager. Holds one notify watcher per
// `library_folder.is_watched=1` row in the active profile;
// the boot-time hydration walks the DB and arms each one
// so users don't need to re-toggle after a restart.
let watcher_handle = app.handle().clone();
let watcher = Arc::new(WatcherManager::new(watcher_handle));
let watcher_for_init = watcher.clone();
let restore_handle = app.handle().clone();
tauri::async_runtime::spawn(async move {
let state = restore_handle.state::<AppState>();
if let Ok(pool) = state.require_profile_pool().await {
if let Err(err) = watcher_for_init.restore_from_db(&pool).await {
tracing::warn!(%err, "watcher boot restore failed");
}
}
});
app.manage(watcher);
// Scan-on-start. Honours `profile_setting['library.scan_on_start']`
// (default OFF β opt in so power users with terabyte libraries
// don't pay the I/O at every launch). The rescan walks every
// `library_folder` row of the active profile and runs the
// same `scan_folder_inner` path the manual "Rescan" button
// uses, so the `scan:progress` toast surfaces automatically.
// Fire-and-forget β failures log but never block startup.
let scan_handle = app.handle().clone();
tauri::async_runtime::spawn(async move {
let state = scan_handle.state::<AppState>();
let Ok(pool) = state.require_profile_pool().await else {
return;
};
let enabled: bool = sqlx::query_scalar::<_, String>(
"SELECT value FROM profile_setting WHERE key = 'library.scan_on_start'",
)
.fetch_optional(&pool)
.await
.ok()
.flatten()
.map(|v| v == "true" || v == "1")
.unwrap_or(false);
if !enabled {
return;
}
let Ok(profile_id) = state.require_profile_id().await else {
return;
};
let artwork_dir = state.paths.profile_artwork_dir(profile_id);
let folder_ids: Vec<i64> =
match sqlx::query_scalar("SELECT id FROM library_folder ORDER BY id")
.fetch_all(&pool)
.await
{
Ok(rows) => rows,
Err(err) => {
tracing::warn!(%err, "scan-on-start: list folders failed");
return;
}
};
for folder_id in folder_ids {
if let Err(err) = commands::scan::scan_folder_inner(
&pool,
&artwork_dir,
folder_id,
Some(&scan_handle),
)
.await
{
tracing::warn!(folder_id, %err, "scan-on-start: folder scan failed");
}
}
});
// OS media controls (SMTC / MPRIS / MediaRemote) via
// souvlaki. Needs the main window to exist for HWND on
// Windows; on Linux/macOS the platform integration owns
// its own connection. Failure is non-fatal β playback
// keeps working without the OS overlay.
if let Some(controls) = media_controls::init(app.handle().clone()) {
app.manage(controls);
}
// Discord Rich Presence. Always spawn the worker thread β
// it stays idle until the user flips the opt-in toggle.
// Reading the persisted flag here means the activity is
// restored on the very next track-changed event without
// waiting for the Settings view to mount.
let initial_rpc_enabled = tauri::async_runtime::block_on(async {
let state = app.state::<AppState>();
discord_presence::read_enabled(&state.app_db).await
});
if let Some(presence) = discord_presence::init(initial_rpc_enabled) {
app.manage(presence);
}
// Last.fm scrobble worker. Polls scrobble_queue every 30 s
// and posts eligible items to track.scrobble; survives
// profile switches because it always reads the active
// profile's pool fresh per tick.
scrobbler::spawn(app.handle().clone());
// Auto-backup loop. Idle while `backup.enabled` is off
// (parks on a Notify channel), wakes immediately when the
// user toggles via Settings. See [`backup`] module docs.
let backup_handle = backup::BackupHandle::new();
app.manage(backup_handle.clone());
backup::spawn_backup_loop(app.handle().clone(), backup_handle);
// DLNA / UPnP MediaServer auto-start. Reads the persisted
// `dlna.enabled` flag at boot and forwards the config to
// the worker so users don't have to flip the toggle every
// launch. Failure is non-fatal β the Settings page will
// surface `last_error` next time the user opens it.
tauri::async_runtime::spawn({
let handle = app.handle().clone();
async move {
let state = handle.state::<AppState>();
let cfg = match dlna::config::load(&state.app_db).await {
Ok(c) => c,
Err(err) => {
tracing::warn!(?err, "DLNA config load failed");
return;
}
};
if cfg.enabled {
match commands::dlna::build_resources(&state).await {
Ok(resources) => state.dlna.start(cfg, resources),
Err(err) => tracing::warn!(?err, "DLNA boot resources unavailable"),
}
}
}
});
// System tray (status icon).
//
// Labels are seeded in English because Rust runs before the
// frontend has had a chance to load i18next; the React layer
// pushes a localised set via `set_tray_labels` once
// `i18nReady` resolves, and again on every `languageChanged`
// event. The `MenuItem` handles are stashed in
// `TrayMenuItems` so retitling doesn't rebuild the menu.
// Left-click on the icon mirrors "Open WaveFlow" for the
// common case where the window was hidden via the
// close-to-tray path. Tooltip is updated to "Title β Artist"
// by `commands::player::emit_track_changed` whenever a new
// track starts.
let play_pause_item =
MenuItem::with_id(app, "play_pause", "Play / Pause", true, None::<&str>)?;
let previous_item = MenuItem::with_id(app, "previous", "Previous", true, None::<&str>)?;
let next_item = MenuItem::with_id(app, "next", "Next", true, None::<&str>)?;
let show_item = MenuItem::with_id(app, "show", "Open WaveFlow", true, None::<&str>)?;
let quit_item = MenuItem::with_id(app, "quit", "Quit", true, None::<&str>)?;
let menu = Menu::with_items(
app,
&[
&play_pause_item,
&previous_item,
&next_item,
&PredefinedMenuItem::separator(app)?,
&show_item,
&PredefinedMenuItem::separator(app)?,
&quit_item,
],
)?;
app.manage(commands::tray::TrayMenuItems {
play_pause: play_pause_item,
previous: previous_item,
next: next_item,
show: show_item,
quit: quit_item,
});
let icon = app
.default_window_icon()
.cloned()
.ok_or("default window icon missing")?;
TrayIconBuilder::with_id(TRAY_ID)
.icon(icon)
.menu(&menu)
.show_menu_on_left_click(false)
.tooltip("WaveFlow")
.on_menu_event(|app, event| match event.id.as_ref() {
"play_pause" => toggle_play_pause(app),
"previous" => spawn_previous(app),
"next" => spawn_next(app),
"show" => show_main_window(app),
"quit" => request_quit(app),
_ => {}
})
.on_tray_icon_event(|tray, event| {
if let TrayIconEvent::Click {
button: MouseButton::Left,
button_state: MouseButtonState::Up,
..
} = event
{
show_main_window(tray.app_handle());
}
})
.build(app)?;
// Splash β main handoff.
//
// The frontend emits `app://ready` once the React root has
// committed its first useful paint (see src/main.tsx). When
// we get that event we close the splash and reveal the
// main window from native code β more reliable than the
// previous IPC dance, which on Linux WebKitGTK 2.52 raced
// against the heavy first-launch init (migrations + DB
// pool + library scan) and left the splash hanging
// forever (issue #42).
//
// A 15 s safety-net timer force-reveals the main window if
// `app://ready` never fires β guards against a frontend
// crash leaving the user stuck on an eternal splash.
let handoff_done = Arc::new(AtomicBool::new(false));
let handoff_handle = app.handle().clone();
let handoff_done_for_event = handoff_done.clone();
app.listen("app://ready", move |_event| {
if handoff_done_for_event.swap(true, Ordering::SeqCst) {
return;
}
// Reset the flag if the reveal fails so the fallback
// timer (or a subsequent `app://ready` re-emission) can
// retry β otherwise a transient main.show() / splash.close()
// failure would leave the user stuck on an eternal splash
// with no recovery path.
if !reveal_main_close_splash(&handoff_handle) {
handoff_done_for_event.store(false, Ordering::SeqCst);
}
});
let fallback_handle = app.handle().clone();
let fallback_done = handoff_done.clone();
tauri::async_runtime::spawn(async move {
// First attempt after 15 s; subsequent retries every
// 250 ms up to 10 total attempts. Bounded so a
// permanently missing main window doesn't spin forever
// (the warn! log surfaces it instead). The retry exists
// because `ReadySignal` only emits `app://ready` once
// at mount β if we lost the race with that single
// event AND the first reveal failed, without a retry
// the user would be stuck on the splash.
tokio::time::sleep(Duration::from_secs(15)).await;
for attempt in 0..10 {
if fallback_done.swap(true, Ordering::SeqCst) {
return;
}
tracing::warn!(
attempt,
"splash handoff fallback: `app://ready` never fired in time, force-revealing main window"
);
if reveal_main_close_splash(&fallback_handle) {
return;
}
fallback_done.store(false, Ordering::SeqCst);
tokio::time::sleep(Duration::from_millis(250)).await;
}
tracing::error!(
"splash handoff fallback: exhausted 10 reveal attempts, user is likely stuck on splash"
);
});
Ok(())
})
.invoke_handler(tauri::generate_handler![
commands::app_info::get_app_info,
commands::app_info::open_data_folder,
commands::changelog::get_changelog,
commands::diagnostics::get_log_dir,
commands::diagnostics::open_log_folder,
commands::diagnostics::read_recent_logs,
commands::profile::list_profiles,
commands::profile::get_active_profile,
commands::profile::create_profile,
commands::profile::switch_profile,
commands::profile::deactivate_profile,
commands::profile::get_profile_setting,
commands::profile::set_profile_setting,
commands::profile_io::export_profile,
commands::profile_io::import_profile,
commands::library::list_libraries,
commands::library::create_library,
commands::library::update_library,
commands::library::delete_library,
commands::library::rescan_library,
commands::library::add_folder_to_library,
commands::library::list_library_folders,
commands::library::set_folder_watched,
commands::library::remove_folder_from_library,
commands::library::import_paths,
commands::duplicates::find_duplicates,
commands::duplicates::delete_tracks,
commands::analysis::analyze_track,
commands::analysis::analyze_library,
commands::analysis::get_track_analysis,
commands::analysis::get_auto_analyze,
commands::analysis::set_auto_analyze,
commands::playlist::list_playlists,
commands::playlist::get_playlist,
commands::playlist::create_playlist,
commands::playlist::update_playlist,
commands::playlist::delete_playlist,
commands::playlist::list_playlist_tracks,
commands::playlist::add_track_to_playlist,
commands::playlist::add_tracks_to_playlist,
commands::playlist::remove_track_from_playlist,
commands::playlist::reorder_playlist_track,
commands::playlist::add_source_to_playlist,
commands::playlist::export_playlist_m3u,
commands::playlist::import_playlist_m3u,
commands::playlist_cover::set_playlist_cover_from_file,
commands::playlist_cover::regenerate_playlist_auto_cover,
commands::playlist_cover::clear_playlist_cover,
commands::smart_playlists::regenerate_daily_mixes,
commands::smart_playlists::create_custom_smart_playlist,
commands::smart_playlists::update_custom_smart_playlist,
commands::smart_playlists::regenerate_custom_smart_playlist,
commands::smart_playlists::get_custom_smart_playlist_rules,
commands::smart_playlists::preview_custom_smart_playlist,
commands::scan::scan_folder,
commands::scan::rescan_local_artist_images,
commands::deezer::search_artists_deezer,
commands::deezer::set_artist_artwork_from_deezer,
commands::deezer::set_artist_artwork_from_file,
commands::deezer::clear_artist_artwork,
commands::track::list_tracks,
commands::track::get_track,
commands::track::search_tracks,
commands::track::search_tracks_advanced,
commands::edit::update_track_tags,
commands::edit::update_tracks_batch,
commands::edit::update_track_cover,
commands::track::toggle_like_track,
commands::track::list_liked_track_ids,
commands::track::list_liked_tracks,
commands::track::set_track_rating,
commands::browse::list_albums,
commands::browse::list_artists,
commands::browse::list_genres,
commands::browse::list_folders,
commands::browse::list_recent_plays,
commands::browse::list_play_history,
commands::browse::play_history_months,
commands::browse::get_profile_stats,
commands::browse::get_album_detail,
commands::browse::get_artist_detail,
commands::browse::get_genre_detail,
commands::deezer::enrich_album_deezer,
commands::deezer::enrich_artist_deezer,
commands::deezer::search_albums_deezer,
commands::deezer::set_album_artwork_from_deezer,
commands::deezer::set_album_artwork_from_file,
commands::deezer::batch_fetch_missing_album_covers,
commands::deezer::batch_fetch_missing_artist_pictures,
commands::similar::get_similar_artists,
commands::radio::start_radio,
commands::mood_radio::start_mood_radio,
commands::mood_radio::mood_radio_counts,
commands::dlna::dlna_get_config,
commands::dlna::dlna_set_config,
commands::dlna::dlna_get_status,
commands::integration::get_lastfm_api_key,
commands::integration::set_lastfm_api_key,
commands::integration::get_lastfm_api_secret,
commands::integration::set_lastfm_api_secret,
commands::integration::lastfm_get_status,
commands::integration::lastfm_login,
commands::integration::lastfm_logout,
commands::integration::get_discord_rpc_enabled,
commands::integration::set_discord_rpc_enabled,
commands::spotify::get_spotify_client_id,
commands::spotify::set_spotify_client_id,
commands::spotify::spotify_get_status,
commands::spotify::spotify_login,
commands::spotify::spotify_logout,
commands::spotify::spotify_get_access_token,
commands::spotify::spotify_list_playlists,
commands::spotify::spotify_get_playlist_tracks,
commands::spotify::spotify_get_queue,
commands::spotify::spotify_search,
commands::spotify::spotify_pause_local,
commands::offline::get_offline_mode,
commands::offline::set_offline_mode,
commands::preferences::get_minimize_to_tray,
commands::preferences::set_minimize_to_tray,
commands::preferences::get_auto_start,
commands::preferences::set_auto_start,
commands::tray::set_tray_labels,
commands::lyrics::get_lyrics,
commands::lyrics::fetch_lyrics,
commands::lyrics::import_lrc_file,
commands::lyrics::save_lyrics,
commands::lyrics::clear_lyrics,
commands::lyrics::prefetch_library_lyrics,
commands::lyrics::cancel_lyrics_prefetch,
commands::player::player_get_state,
commands::player::player_pause,
commands::player::player_set_pause_after_track,
commands::player::player_set_ab_loop,
commands::player::player_clear_ab_loop,
commands::player::player_get_ab_loop,
commands::player::player_resume,
commands::player::player_stop,
commands::player::player_seek,
commands::player::player_set_volume,
commands::player::player_play_tracks,
commands::player::player_add_to_queue,
commands::player::player_play_next,
commands::player::player_reorder_queue,
commands::player::player_next,
commands::player::player_previous,
commands::player::player_toggle_shuffle,
commands::player::player_cycle_repeat,
commands::player::player_resume_last,
commands::player::player_get_queue,
commands::player::player_jump_to_index,
commands::player::player_set_normalize,
commands::player::player_set_mono,
commands::player::player_set_crossfade,
commands::player::player_set_gapless,
commands::player::player_set_speed,
commands::player::player_get_speed,
commands::player::player_set_visualizer,
commands::player::player_get_visualizer,
commands::player::player_set_smart_crossfade,
commands::player::player_get_smart_crossfade,
commands::player::player_set_dynamic_crossfade,
commands::player::player_get_dynamic_crossfade,
commands::player::player_set_replaygain,
commands::player::player_get_eq,
commands::player::player_set_eq_enabled,
commands::player::player_set_eq_band,
commands::player::player_set_eq_preset,
commands::player::player_get_audio_settings,
commands::player::player_list_output_devices,
commands::player::player_set_output_device,
commands::player::player_set_wasapi_exclusive,
commands::player::player_get_wasapi_exclusive,
commands::stats::stats_overview,
commands::stats::stats_top_tracks,
commands::stats::stats_top_artists,
commands::stats::stats_top_albums,
commands::stats::stats_listening_by_day,
commands::stats::stats_listening_by_hour,
commands::maintenance::regenerate_thumbnails,
commands::backup::get_backup_config,
commands::backup::set_backup_config,
commands::backup::run_backup_now,
commands::stats::export_stats_json,
commands::wrapped::get_wrapped,
commands::wrapped::available_wrapped_years,
commands::wrapped::wrapped_current_year,
commands::share::save_share_image,
])
.on_window_event(|window, event| match event {
// Close-to-tray: when the user clicks the window's "X" we
// intercept the close, hide the window, and leave the
// backend running so the tray menu can keep controlling
// playback. The `QuitGate` is flipped to `true` by the
// tray's "Quitter" menu before calling `app.exit()`, at
// which point we let the close proceed normally.
WindowEvent::CloseRequested { api, .. } => {
let app = window.app_handle();
let quitting = app.state::<QuitGate>().0.load(Ordering::Acquire);
if quitting {
return;
}
// The mini-player window is its own dispensable surface
// β closing it should just close it, never tear down
// the whole app. Only the main window participates in
// the close-to-tray decision.
if window.label() != "main" {
return;
}
let minimize_to_tray = app
.state::<commands::preferences::PreferencesState>()
.minimize_to_tray
.load(Ordering::Acquire);
if minimize_to_tray {
api.prevent_close();
let _ = window.hide();
} else {
// Arm the quit gate so the impending Destroyed
// event runs the normal shutdown path (persist
// resume point, shut the audio engine down) and
// doesn't bounce back into close-to-tray on any
// subsequent CloseRequested fired during teardown.
app.state::<QuitGate>().0.store(true, Ordering::Release);
}
}
// Real shutdown path: fired only after the QuitGate has
// been armed, so we can safely persist the resume point and
// shut the audio engine down.
WindowEvent::Destroyed => {
if window.label() != "main" {
return;
}
let app = window.app_handle().clone();
let quitting = app.state::<QuitGate>().0.load(Ordering::Acquire);
if !quitting {
return;
}
let _ = tauri::async_runtime::block_on(async move {
let state = app.state::<AppState>();
let engine = app.state::<Arc<AudioEngine>>();
// Silence the cpal output IMMEDIATELY. The rtrb
// ring still holds a few hundred ms of decoded
// samples from before the user paused; without
// this flag, those samples flush to the device
// while we persist resume state and the stream
// tears down, producing a jarring ~2 s of audio
// at shutdown.
engine.shared().paused_output.store(true, Ordering::Release);
let track_id = engine.shared().current_track_id.load(Ordering::Acquire);
let position_ms = engine.shared().current_position_ms();
if track_id > 0 {
if let Ok(pool) = state.require_profile_pool().await {
let _ = queue::persist_resume_point(&pool, track_id, position_ms).await;
}
}
// Tell the decoder thread to stop and drop the
// cpal stream cleanly.
let _ = engine.send(AudioCmd::Shutdown);
Ok::<_, error::AppError>(())
});
}
_ => {}
})
.run(tauri::generate_context!())
.expect("error while running tauri application");
}
/// Bring the main window back to the front (used by the tray's left
/// click and the "Ouvrir WaveFlow" menu item). No-op if the window
/// already exists and is showing β `set_focus` handles that case.
fn show_main_window(app: &AppHandle) {
if let Some(window) = app.get_webview_window("main") {
let _ = window.show();
let _ = window.unminimize();
let _ = window.set_focus();
}
}
/// Reveal the main window and close the splash, in that order.
///
/// Same ordering rule as the old frontend version: show main first,
/// then close splash, so there is never a moment where the desktop is
/// visible between the two on a multi-monitor / compositing setup.
///
/// Returns `true` only when *both* operations succeed (main shown +
/// splash closed, or splash already absent). On any failure, returns
/// `false` so the caller can clear its "done" flag and let the other
/// path (event listener or fallback timer) retry β without this,
/// a transient failure would leave the user stuck on an eternal
/// splash.
fn reveal_main_close_splash(app: &AppHandle) -> bool {
// Bail out *before* touching the splash if the main window isn't
// available or refuses to show β otherwise we'd close the only
// visible window the user has and leave them staring at the
// desktop with no way back into the app until they re-launch.
let Some(main) = app.get_webview_window("main") else {
tracing::warn!("splash handoff: main window missing at reveal time");
return false;
};
if let Err(err) = main.show() {
tracing::warn!(?err, "splash handoff: main.show failed");
return false;
}
let _ = main.set_focus();
if let Some(splash) = app.get_webview_window("splashscreen") {
if let Err(err) = splash.close() {
tracing::warn!(?err, "splash handoff: splash.close failed");
return false;
}
}
true
}
/// Toggle Pause / Resume from the tray. Looks at the engine's current
/// state (atomic, no async needed) so the menu item works as a single
/// "Lecture / Pause" entry instead of two stateful labels we'd have to
/// keep in sync.
fn toggle_play_pause(app: &AppHandle) {
let engine = app.state::<Arc<AudioEngine>>();
let cmd = match engine.shared().state() {
audio::PlayerState::Playing => AudioCmd::Pause,
audio::PlayerState::Paused | audio::PlayerState::Idle => AudioCmd::Resume,
// Loading / Ended β leave the decoder alone, it'll settle.
_ => return,
};
if let Err(err) = engine.send(cmd) {
tracing::warn!(%err, "tray play_pause: send failed");
}
}
/// Tray "Suivant" β async because it touches the per-profile DB to
/// advance the queue cursor. Mirrors `commands::player::player_next`
/// but called outside the Tauri command pipeline so we own the
/// scheduling here.
fn spawn_next(app: &AppHandle) {
let app = app.clone();
tauri::async_runtime::spawn(async move {
let state = app.state::<AppState>();
let engine = app.state::<Arc<AudioEngine>>();
let pool = match state.require_profile_pool().await {
Ok(p) => p,
Err(err) => {
tracing::warn!(%err, "tray next: no profile pool");
return;
}
};
let profile_id = state.require_profile_id().await.ok();
let repeat = queue::read_repeat_mode(&pool).await;
let next = match queue::advance(&pool, Direction::Next, repeat).await {
Ok(Some(track)) => track,
Ok(None) => return,
Err(err) => {
tracing::warn!(%err, "tray next: advance failed");
return;
}
};
commands::player::emit_track_changed(&app, &state.paths, &next, profile_id);
commands::player::emit_queue_changed(&app);
let replay_gain_db = commands::player::fetch_replay_gain_db(&pool, next.id).await;
let _ = engine.send(AudioCmd::LoadAndPlay {
path: next.as_path(),
start_ms: 0,
track_id: next.id,
duration_ms: next.duration_ms.max(0) as u64,
source_type: "manual".into(),
source_id: None,
replay_gain_db,
});
});
}
/// Tray "PrΓ©cΓ©dent" β same Spotify-style "seek to 0 if past 3 s, else
/// jump back" rule the in-app previous button uses.
fn spawn_previous(app: &AppHandle) {
let app = app.clone();
tauri::async_runtime::spawn(async move {
let state = app.state::<AppState>();
let engine = app.state::<Arc<AudioEngine>>();
if engine.shared().current_position_ms() > 3000 {
let _ = engine.send(AudioCmd::Seek(0));
return;
}
let pool = match state.require_profile_pool().await {
Ok(p) => p,
Err(err) => {
tracing::warn!(%err, "tray previous: no profile pool");
return;
}
};
let profile_id = state.require_profile_id().await.ok();
let repeat = queue::read_repeat_mode(&pool).await;
let prev = match queue::advance(&pool, Direction::Previous, repeat).await {
Ok(Some(track)) => track,
Ok(None) => return,
Err(err) => {
tracing::warn!(%err, "tray previous: advance failed");
return;
}
};
commands::player::emit_track_changed(&app, &state.paths, &prev, profile_id);
commands::player::emit_queue_changed(&app);
let replay_gain_db = commands::player::fetch_replay_gain_db(&pool, prev.id).await;
let _ = engine.send(AudioCmd::LoadAndPlay {
path: prev.as_path(),
start_ms: 0,
track_id: prev.id,
duration_ms: prev.duration_ms.max(0) as u64,
source_type: "manual".into(),
source_id: None,
replay_gain_db,
});
});
}
/// Tray "Quitter" β arms the QuitGate so `WindowEvent::CloseRequested`
/// stops intercepting close, then asks the app to exit. The window
/// closes, fires `Destroyed`, and the existing teardown logic
/// persists the resume point and shuts the audio engine down.
fn request_quit(app: &AppHandle) {
app.state::<QuitGate>().0.store(true, Ordering::Release);
app.exit(0);
}