fix: background shuffle mode doesn't builder a proper queue

app/src/main/AndroidManifest.xml

@@ -434,30 +434,6 @@
 
         </service>
 
-        <service
-            android:name=".services.VideoOnlinePlayerService"
-            android:enabled="true"
-            android:exported="false"
-            android:foregroundServiceType="mediaPlayback">
-
-            <intent-filter>
-                <action android:name="androidx.media3.session.MediaSessionService"/>
-            </intent-filter>
-
-        </service>
-
-        <service
-            android:name=".services.VideoOfflinePlayerService"
-            android:enabled="true"
-            android:exported="false"
-            android:foregroundServiceType="mediaPlayback">
-
-            <intent-filter>
-                <action android:name="androidx.media3.session.MediaSessionService"/>
-            </intent-filter>
-
-        </service>
-
         <service
             android:name=".services.OnClearFromRecentService"
             android:enabled="true"

app/src/main/java/com/github/libretube/db/dao/DownloadDao.kt

@@ -26,9 +26,6 @@ interface DownloadDao {
     @Query("SELECT EXISTS (SELECT * FROM download WHERE videoId = :videoId)")
     suspend fun exists(videoId: String): Boolean
 
-    @Query("SELECT videoId FROM downloadItem WHERE type = :fileType ORDER BY RANDOM() LIMIT 1")
-    suspend fun getRandomVideoIdByFileType(fileType: FileType): String?
-
     @Query("SELECT * FROM downloaditem WHERE id = :id")
     suspend fun findDownloadItemById(id: Int): DownloadItem?
 

app/src/main/java/com/github/libretube/helpers/BackgroundHelper.kt

@@ -1,12 +1,10 @@
 package com.github.libretube.helpers
 
-import android.app.ActivityManager
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import androidx.annotation.OptIn
-import androidx.core.content.getSystemService
 import androidx.core.os.bundleOf
 import androidx.fragment.app.commit
 import androidx.media3.common.util.UnstableApi
@@ -38,19 +36,17 @@ object BackgroundHelper {
         playlistId: String? = null,
         channelId: String? = null,
         keepQueue: Boolean = false,
-        keepVideoPlayerAlive: Boolean = false
     ) {
         // close the previous video player if open
-        if (!keepVideoPlayerAlive) {
         val fragmentManager =
             ContextHelper.unwrapActivity<MainActivity>(context).supportFragmentManager
         fragmentManager.fragments.firstOrNull { it is PlayerFragment }?.let {
             fragmentManager.commit { remove(it) }
         }
-        }
 
         val playerData = PlayerData(videoId, playlistId, channelId, keepQueue, position)
 
+        stopBackgroundPlay(context)
         startMediaService(
             context,
             OnlinePlayerService::class.java,
@@ -71,18 +67,6 @@ object BackgroundHelper {
         }
     }
 
-    /**
-     * Check if the [OnlinePlayerService] service is currently running.
-     */
-    fun isBackgroundServiceRunning(
-        context: Context,
-        serviceClass: Class<*> = OnlinePlayerService::class.java
-    ): Boolean {
-        @Suppress("DEPRECATION")
-        return context.getSystemService<ActivityManager>()!!.getRunningServices(Int.MAX_VALUE)
-            .any { serviceClass.name == it.service.className }
-    }
-
     /**
      * Start the offline background player
      *
@@ -106,6 +90,7 @@ object BackgroundHelper {
             IntentData.audioOnly to true
         )
 
+        stopBackgroundPlay(context)
         startMediaService(context, OfflinePlayerService::class.java, arguments)
     }
 

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

@@ -75,10 +75,12 @@ open class OfflinePlayerService : AbstractPlayerService() {
         noInternetService = args.getBoolean(IntentData.noInternet, false)
         isAudioOnlyPlayer = args.getBoolean(IntentData.audioOnly, false)
 
+        PlayingQueue.clear()
+
         val videoId = if (shuffle) {
             runBlocking(Dispatchers.IO) {
-                Database.downloadDao().getRandomVideoIdByFileType(FileType.AUDIO)
-            }
+                Database.downloadDao().getAll().filterByTab(downloadTab).randomOrNull()
+            }?.download?.videoId
         } else {
             args.getString(IntentData.videoId)
         } ?: return
@@ -89,7 +91,6 @@ open class OfflinePlayerService : AbstractPlayerService() {
             setTrackTypeDisabled(C.TRACK_TYPE_VIDEO, isAudioOnlyPlayer)
         }
 
-        PlayingQueue.clear()
         fillQueue()
     }
 
@@ -203,6 +204,7 @@ open class OfflinePlayerService : AbstractPlayerService() {
             Database.downloadDao().getAll()
         }
             .filterByTab(downloadTab)
+            .filter { it.download.videoId != videoId }
             .toMutableList()
 
         if (shuffle) downloads.shuffle()

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

@@ -1481,8 +1481,7 @@ class PlayerFragment : Fragment(R.layout.fragment_player), OnlinePlayerOptions {
     }
 
     private fun shouldStartPiP(): Boolean {
-        return shouldUsePip() && ::playerController.isInitialized && playerController.isPlaying &&
-                !BackgroundHelper.isBackgroundServiceRunning(requireContext())
+        return shouldUsePip() && ::playerController.isInitialized && playerController.isPlaying
     }
 
     /**