Show the song cover as lockscreen wallpaper (#170)

app/src/main/kotlin/it/vfsfitvnm/vimusic/service/PlayerService.kt

@@ -76,6 +76,7 @@ import it.vfsfitvnm.vimusic.utils.forcePlayFromBeginning
 import it.vfsfitvnm.vimusic.utils.getEnum
 import it.vfsfitvnm.vimusic.utils.intent
 import it.vfsfitvnm.vimusic.utils.isInvincibilityEnabledKey
+import it.vfsfitvnm.vimusic.utils.isShowingThumbnailInLockscreenKey
 import it.vfsfitvnm.vimusic.utils.mediaItems
 import it.vfsfitvnm.vimusic.utils.persistentQueueKey
 import it.vfsfitvnm.vimusic.utils.preferences
@@ -132,6 +133,7 @@ class PlayerService : InvincibleService(), Player.Listener, PlaybackStatsListene
 
     private var isVolumeNormalizationEnabled = false
     private var isPersistentQueueEnabled = false
+    private var isShowingThumbnailInLockscreen = true
     override var isInvincibilityEnabled = false
 
     private val binder = Binder()
@@ -166,6 +168,7 @@ class PlayerService : InvincibleService(), Player.Listener, PlaybackStatsListene
         isPersistentQueueEnabled = preferences.getBoolean(persistentQueueKey, false)
         isVolumeNormalizationEnabled = preferences.getBoolean(volumeNormalizationKey, false)
         isInvincibilityEnabled = preferences.getBoolean(isInvincibilityEnabledKey, false)
+        isShowingThumbnailInLockscreen = preferences.getBoolean(isShowingThumbnailInLockscreenKey, true)
 
         val cacheEvictor = when (val size =
             preferences.getEnum(exoPlayerDiskCacheMaxSizeKey, ExoPlayerDiskCacheMaxSize.`2GB`)) {
@@ -354,6 +357,12 @@ class PlayerService : InvincibleService(), Player.Listener, PlaybackStatsListene
         }
     }
 
+    private fun maybeShowSongCoverInLockScreen() {
+        val bitmap = if (isShowingThumbnailInLockscreen) bitmapProvider.bitmap else null
+        metadataBuilder.putBitmap(MediaMetadata.METADATA_KEY_ALBUM_ART, bitmap)
+        mediaSession.setMetadata(metadataBuilder.build())
+    }
+
     private val Player.androidPlaybackState: Int
         get() = when (playbackState) {
             Player.STATE_BUFFERING -> if (playWhenReady) PlaybackState.STATE_BUFFERING else PlaybackState.STATE_PAUSED
@@ -436,6 +445,10 @@ class PlayerService : InvincibleService(), Player.Listener, PlaybackStatsListene
             isInvincibilityEnabledKey -> isInvincibilityEnabled =
                 sharedPreferences.getBoolean(key, isInvincibilityEnabled)
             skipSilenceKey -> player.skipSilenceEnabled = sharedPreferences.getBoolean(key, false)
+            isShowingThumbnailInLockscreenKey -> {
+                isShowingThumbnailInLockscreen = sharedPreferences.getBoolean(key, true)
+                maybeShowSongCoverInLockScreen()
+            }
         }
     }
 
@@ -486,6 +499,7 @@ class PlayerService : InvincibleService(), Player.Listener, PlaybackStatsListene
             .addAction(R.drawable.play_skip_forward, "Skip forward", nextIntent)
 
         bitmapProvider.load(mediaMetadata.artworkUri) { bitmap ->
+            maybeShowSongCoverInLockScreen()
             notificationManager?.notify(NotificationId, builder.setLargeIcon(bitmap).build())
         }
 

app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/settings/AppearanceSettingsScreen.kt

@@ -26,9 +26,11 @@ import it.vfsfitvnm.vimusic.ui.components.TopAppBar
 import it.vfsfitvnm.vimusic.ui.screens.EnumValueSelectorSettingsEntry
 import it.vfsfitvnm.vimusic.ui.screens.SettingsEntryGroupText
 import it.vfsfitvnm.vimusic.ui.screens.SettingsTitle
+import it.vfsfitvnm.vimusic.ui.screens.SwitchSettingEntry
 import it.vfsfitvnm.vimusic.ui.screens.globalRoutes
 import it.vfsfitvnm.vimusic.ui.styling.LocalAppearance
 import it.vfsfitvnm.vimusic.utils.colorPaletteModeKey
+import it.vfsfitvnm.vimusic.utils.isShowingThumbnailInLockscreenKey
 import it.vfsfitvnm.vimusic.utils.rememberPreference
 import it.vfsfitvnm.vimusic.utils.thumbnailRoundnessKey
 
@@ -48,6 +50,10 @@ fun AppearanceSettingsScreen() {
                 thumbnailRoundnessKey,
                 ThumbnailRoundness.Light
             )
+            var isShowingThumbnailInLockscreen by rememberPreference(
+                isShowingThumbnailInLockscreenKey,
+                true
+            )
 
             Column(
                 modifier = Modifier
@@ -92,6 +98,15 @@ fun AppearanceSettingsScreen() {
                         thumbnailRoundness = it
                     }
                 )
+
+                SettingsEntryGroupText(title = "LOCKSCREEN")
+
+                SwitchSettingEntry(
+                    title = "Show song cover",
+                    text = "Use the playing song cover as the lockscreen wallpaper",
+                    isChecked = isShowingThumbnailInLockscreen,
+                    onCheckedChange = { isShowingThumbnailInLockscreen = it }
+                )
             }
         }
     }

app/src/main/kotlin/it/vfsfitvnm/vimusic/utils/Preferences.kt

@@ -27,6 +27,7 @@ const val skipSilenceKey = "skipSilence"
 const val volumeNormalizationKey = "volumeNormalization"
 const val persistentQueueKey = "persistentQueue"
 const val isShowingSynchronizedLyricsKey = "isShowingSynchronizedLyrics"
+const val isShowingThumbnailInLockscreenKey = "isShowingThumbnailInLockscreen"
 
 inline fun <reified T : Enum<T>> SharedPreferences.getEnum(
     key: String,