chore: some media session improvements

resources/assets/js/services/playbackService.ts

@@ -95,10 +95,7 @@ class PlaybackService {
   }
 
   public showNotification (song: Song) {
-    if (!window.Notification || !preferences.notify) {
-      return
-    }
-
+    if (preferences.notify) {
       try {
         const notification = new window.Notification(`♫ ${song.title}`, {
           icon: song.album_cover,
@@ -113,26 +110,25 @@ class PlaybackService {
         // @link https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/showNotification
         logger.error(e)
       }
+    }
+
+    if (!navigator.mediaSession) return
 
     navigator.mediaSession.metadata = new MediaMetadata({
       title: song.title,
       artist: song.artist_name,
       album: song.album_name,
-      artwork: [
-        {
+      artwork: [48, 64, 96, 128, 192, 256, 384, 512].map(d => ({
         src: song.album_cover,
-          sizes: '256x256',
+        sizes: `${d}x${d}`,
         type: 'image/png'
-        }
-      ]
+      }))
     })
   }
 
   public async restart () {
     const song = queueStore.current!
 
-    this.showNotification(song)
-
     // Record the UNIX timestamp the song starts playing, for scrobbling purpose
     song.play_start_time = Math.floor(Date.now() / 1000)
     song.play_count_registered = false
@@ -143,6 +139,8 @@ class PlaybackService {
 
     try {
       await this.player.media.play()
+      navigator.mediaSession && (navigator.mediaSession.playbackState = 'playing')
+      this.showNotification(song)
     } catch (error) {
       // convert this into a warning, as an error will cause Cypress to fail the tests entirely
       logger.warn(error)
@@ -200,7 +198,7 @@ class PlaybackService {
    * If the prev song is not found and the current mode is NO_REPEAT, we stop completely.
    */
   public async playPrev () {
-    // If the song's duration is greater than 5 seconds and we've passed 5 seconds into it,
+    // If the song's duration is greater than 5 seconds, and we've passed 5 seconds into it,
     // restart playing instead.
     if (this.player.media.currentTime > 5 && queueStore.current!.length > 5) {
       this.player.restart()
@@ -232,16 +230,18 @@ class PlaybackService {
     this.player.pause()
     this.player.seek(0)
 
-    if (queueStore.current) {
-      queueStore.current.playback_state = 'Stopped'
-    }
+    queueStore.current && (queueStore.current.playback_state = 'Stopped')
+    navigator.mediaSession && (navigator.mediaSession.playbackState = 'none')
 
     socketService.broadcast('SOCKET_PLAYBACK_STOPPED')
   }
 
   public pause () {
     this.player.pause()
+
     queueStore.current!.playback_state = 'Paused'
+    navigator.mediaSession && (navigator.mediaSession.playbackState = 'paused')
+
     socketService.broadcast('SOCKET_SONG', queueStore.current)
   }
 
@@ -253,6 +253,8 @@ class PlaybackService {
     }
 
     queueStore.current!.playback_state = 'Playing'
+    navigator.mediaSession && (navigator.mediaSession.playbackState = 'playing')
+
     socketService.broadcast('SOCKET_SONG', queueStore.current)
   }
 
@@ -293,14 +295,30 @@ class PlaybackService {
   }
 
   private setMediaSessionActionHandlers () {
-    if (!navigator.mediaSession) {
-      return
-    }
+    if (!navigator.mediaSession) return
 
     navigator.mediaSession.setActionHandler('play', () => this.resume())
     navigator.mediaSession.setActionHandler('pause', () => this.pause())
+    navigator.mediaSession.setActionHandler('stop', () => this.stop())
     navigator.mediaSession.setActionHandler('previoustrack', () => this.playPrev())
     navigator.mediaSession.setActionHandler('nexttrack', () => this.playNext())
+
+    navigator.mediaSession.setActionHandler('seekbackward', details => {
+      this.player.media.currentTime -= (details.seekOffset || 10)
+    })
+
+    navigator.mediaSession.setActionHandler('seekforward', details => {
+      this.player.media.currentTime += (details.seekOffset || 10)
+    })
+
+    navigator.mediaSession.setActionHandler('seekto', details => {
+      if (details.fastSeek && 'fastSeek' in this.player.media) {
+        this.player.media.fastSeek(details.seekTime || 0)
+        return
+      }
+
+      this.player.media.currentTime = details.seekTime || 0
+    })
   }
 
   private listenToMediaEvents (media: HTMLMediaElement) {

resources/assets/js/stores/preferenceStore.ts

@@ -69,7 +69,7 @@ const preferenceStore = {
   },
 
   get (key: string) {
-    return key in this.state ? this.state[key] : null
+    return this.state?.[key]
   },
 
   save () {
@@ -77,6 +77,6 @@ const preferenceStore = {
   }
 }
 
-const exportedPreferenceStore = preferenceStore as unknown as Omit<typeof preferenceStore, 'setupProxy'> & Preferences
+const exported = preferenceStore as unknown as Omit<typeof preferenceStore, 'setupProxy'> & Preferences
 
-export { exportedPreferenceStore as preferenceStore }
+export { exported as preferenceStore }