fix crash when removing notification

app/src/main/java/com/github/libretube/services/BackgroundMode.kt

@@ -9,7 +9,6 @@ import android.os.Build
 import android.os.Handler
 import android.os.IBinder
 import android.os.Looper
-import android.util.Log
 import android.widget.Toast
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.github.libretube.R
@@ -21,7 +20,6 @@ import com.github.libretube.constants.BACKGROUND_CHANNEL_ID
 import com.github.libretube.constants.IntentData
 import com.github.libretube.constants.PLAYER_NOTIFICATION_ID
 import com.github.libretube.constants.PreferenceKeys
-import com.github.libretube.db.DatabaseHolder
 import com.github.libretube.db.DatabaseHolder.Companion.Database
 import com.github.libretube.db.obj.WatchPosition
 import com.github.libretube.extensions.awaitQuery
@@ -117,7 +115,7 @@ class BackgroundMode : Service() {
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         try {
             // clear the playing queue
-            PlayingQueue.clear()
+            PlayingQueue.resetToDefaults()
 
             // get the intent arguments
             videoId = intent?.getStringExtra(IntentData.videoId)!!
@@ -201,9 +199,8 @@ class BackgroundMode : Service() {
         } else if (PlayerHelper.watchPositionsEnabled) {
             try {
                 val watchPosition = awaitQuery {
-                    DatabaseHolder.Database.watchPositionDao().findById(videoId)
+                    Database.watchPositionDao().findById(videoId)
                 }
-                Log.e("position", watchPosition.toString())
                 streams?.duration?.let {
                     if (watchPosition != null && watchPosition.position < it * 1000 * 0.9) {
                         player?.seekTo(watchPosition.position)
@@ -355,7 +352,7 @@ class BackgroundMode : Service() {
      */
     override fun onDestroy() {
         // clear the playing queue
-        PlayingQueue.clear()
+        PlayingQueue.resetToDefaults()
 
         if (this::nowPlayingNotification.isInitialized) nowPlayingNotification.destroySelfAndPlayer()
 

app/src/main/java/com/github/libretube/ui/fragments/PlayerFragment.kt

@@ -193,7 +193,7 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
         context?.hideKeyboard(view)
 
         // clear the playing queue
-        PlayingQueue.clear()
+        PlayingQueue.resetToDefaults()
 
         changeOrientationMode()
 
@@ -502,7 +502,6 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
         super.onDestroy()
         try {
             // clear the playing queue
-            PlayingQueue.clear()
             PlayingQueue.resetToDefaults()
 
             saveWatchPosition()
@@ -849,8 +848,9 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
 
                 // save the watch position when paused
                 if (playbackState == PlaybackState.STATE_PAUSED) {
+                    val watchPosition = WatchPosition(videoId!!, exoPlayer.currentPosition)
                     query {
-                        Database.watchPositionDao().insertAll(WatchPosition(videoId!!, exoPlayer.currentPosition))
+                        Database.watchPositionDao().insertAll(watchPosition)
                     }
                 }
 

app/src/main/java/com/github/libretube/util/NowPlayingNotification.kt

@@ -213,17 +213,17 @@ class NowPlayingNotification(
      * Destroy the [NowPlayingNotification]
      */
     fun destroySelfAndPlayer() {
+        playerNotification?.setPlayer(null)
+
         mediaSession.isActive = false
         mediaSession.release()
-        mediaSessionConnector.setPlayer(null)
-        playerNotification?.setPlayer(null)
+
+        player.stop()
+        player.release()
 
         val notificationManager = context.getSystemService(
             Context.NOTIFICATION_SERVICE
         ) as NotificationManager
         notificationManager.cancel(PLAYER_NOTIFICATION_ID)
-
-        player.stop()
-        player.release()
     }
 }

app/src/main/java/com/github/libretube/util/PlayingQueue.kt

@@ -61,8 +61,6 @@ object PlayingQueue {
 
     fun isEmpty() = queue.isEmpty()
 
-    fun clear() = queue.clear()
-
     fun size() = queue.size
 
     fun currentIndex(): Int {
@@ -139,5 +137,6 @@ object PlayingQueue {
     fun resetToDefaults() {
         repeatQueue = false
         onQueueTapListener = {}
+        queue.clear()
     }
 }