Clear queue on logout.

app/src/main/java/com/github/apognu/otter/activities/SettingsActivity.kt

@@ -12,6 +12,8 @@ import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.SeekBarPreference
 import com.github.apognu.otter.R
 import com.github.apognu.otter.utils.AppContext
+import com.github.apognu.otter.utils.Command
+import com.github.apognu.otter.utils.CommandBus
 import com.preference.PowerPreference
 
 class SettingsActivity : AppCompatActivity() {
@@ -69,6 +71,8 @@ class SettingsFragment : PreferenceFragmentCompat(), SharedPreferences.OnSharedP
 
               context.cacheDir.deleteRecursively()
 
+              CommandBus.send(Command.ClearQueue)
+
               activity?.setResult(MainActivity.ResultCode.LOGOUT.code)
               activity?.finish()
             }

app/src/main/java/com/github/apognu/otter/playback/PlayerService.kt

@@ -172,6 +172,8 @@ class PlayerService : Service() {
           is Command.NextTrack -> player.next()
           is Command.PreviousTrack -> previousTrack()
           is Command.Seek -> progress(message.progress)
+
+          is Command.ClearQueue -> queue.clear()
         }
 
         if (player.playWhenReady) {

app/src/main/java/com/github/apognu/otter/playback/QueueManager.kt

@@ -154,4 +154,10 @@ class QueueManager(val context: Context) {
 
     return metadata.getOrNull(current)
   }
+
+  fun clear() {
+    metadata = mutableListOf()
+    datasources.clear()
+    current = -1
+  }
 }

app/src/main/java/com/github/apognu/otter/utils/EventBus.kt

@@ -24,6 +24,7 @@ sealed class Command {
   class ReplaceQueue(val queue: List<Track>) : Command()
   class RemoveFromQueue(val track: Track) : Command()
   class MoveFromQueue(val oldPosition: Int, val newPosition: Int) : Command()
+  object ClearQueue : Command()
 
   class PlayTrack(val index: Int) : Command()
 }