feat/WIP: Started adding repeat and shuffle options

Signed-off-by: Gabriel Fontán <gabilessto@gmail.com>

app/mediaplayer/src/main/java/com/bobbyesp/mediaplayer/di/MediaPlayerModule.kt

@@ -9,8 +9,10 @@ import androidx.media3.common.C
 import androidx.media3.common.util.UnstableApi
 import androidx.media3.exoplayer.ExoPlayer
 import androidx.media3.exoplayer.trackselection.DefaultTrackSelector
+import androidx.media3.session.MediaLibraryService.MediaLibrarySession
 import androidx.media3.session.MediaSession
 import com.bobbyesp.mediaplayer.service.ConnectionHandler
+import com.bobbyesp.mediaplayer.service.MediaLibrarySessionCallback
 import com.bobbyesp.mediaplayer.service.MediaServiceHandler
 import com.bobbyesp.mediaplayer.service.notifications.MediaNotificationManager
 import dagger.Module
@@ -60,9 +62,10 @@ object MediaPlayerModule {
     @Singleton
     fun provideMediaSession(
         @ApplicationContext context: Context,
-        player: ExoPlayer
+        player: ExoPlayer,
+        mediaLibrarySessionCallback: MediaLibrarySessionCallback
     ): MediaSession =
-        MediaSession.Builder(context, player)
+        MediaLibrarySession.Builder(context, player, mediaLibrarySessionCallback)
             .build()
 
     @Provides

app/mediaplayer/src/main/java/com/bobbyesp/mediaplayer/service/MediaLibrarySessionCallback.kt

@@ -0,0 +1,71 @@
+package com.bobbyesp.mediaplayer.service
+
+import android.content.Context
+import android.os.Bundle
+import androidx.annotation.OptIn
+import androidx.media3.common.Player.REPEAT_MODE_ALL
+import androidx.media3.common.Player.REPEAT_MODE_OFF
+import androidx.media3.common.Player.REPEAT_MODE_ONE
+import androidx.media3.common.util.UnstableApi
+import androidx.media3.session.MediaLibraryService
+import androidx.media3.session.MediaSession
+import androidx.media3.session.SessionCommand
+import androidx.media3.session.SessionResult
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.ACTION_TOGGLE_LIBRARY
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.ACTION_TOGGLE_LIKE
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.ACTION_TOGGLE_REPEAT_MODE
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.ACTION_TOGGLE_SHUFFLE
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.CommandToggleLibrary
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.CommandToggleLike
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.CommandToggleRepeatMode
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.CommandToggleShuffle
+import com.google.common.util.concurrent.Futures
+import com.google.common.util.concurrent.ListenableFuture
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+
+class MediaLibrarySessionCallback @Inject constructor(
+    @ApplicationContext val context: Context
+) : MediaLibraryService.MediaLibrarySession.Callback {
+
+    override fun onConnect(
+        session: MediaSession,
+        controller: MediaSession.ControllerInfo
+    ): MediaSession.ConnectionResult {
+        val connectionResult = super.onConnect(session, controller)
+        return MediaSession.ConnectionResult.accept(
+            connectionResult.availableSessionCommands.buildUpon()
+                .add(CommandToggleLibrary)
+                .add(CommandToggleLike)
+                .add(CommandToggleShuffle)
+                .add(CommandToggleRepeatMode)
+                .build(),
+            connectionResult.availablePlayerCommands
+        )
+    }
+
+    @OptIn(UnstableApi::class)
+    override fun onCustomCommand(
+        session: MediaSession,
+        controller: MediaSession.ControllerInfo,
+        customCommand: SessionCommand,
+        args: Bundle,
+    ): ListenableFuture<SessionResult> {
+        when (customCommand.customAction) {
+            ACTION_TOGGLE_LIKE -> TODO()
+            ACTION_TOGGLE_LIBRARY -> TODO()
+            ACTION_TOGGLE_SHUFFLE -> session.player.shuffleModeEnabled =
+                !session.player.shuffleModeEnabled
+
+            ACTION_TOGGLE_REPEAT_MODE -> session.player.repeatMode =
+                when (session.player.repeatMode) {
+                    REPEAT_MODE_OFF -> REPEAT_MODE_ONE
+                    REPEAT_MODE_ONE -> REPEAT_MODE_ALL
+                    REPEAT_MODE_ALL -> REPEAT_MODE_OFF
+                    else -> REPEAT_MODE_OFF
+                }
+        }
+        return Futures.immediateFuture(SessionResult(SessionResult.RESULT_SUCCESS))
+    }
+
+}

app/mediaplayer/src/main/java/com/bobbyesp/mediaplayer/service/MediaServiceHandler.kt

@@ -1,5 +1,6 @@
 package com.bobbyesp.mediaplayer.service
 
+import android.os.Bundle
 import androidx.media3.common.MediaItem
 import androidx.media3.common.MediaMetadata
 import androidx.media3.common.Player
@@ -11,7 +12,10 @@ import androidx.media3.exoplayer.ExoPlayer
 import androidx.media3.exoplayer.analytics.AnalyticsListener
 import androidx.media3.exoplayer.analytics.PlaybackStats
 import androidx.media3.exoplayer.analytics.PlaybackStatsListener
+import androidx.media3.exoplayer.source.ShuffleOrder
+import androidx.media3.session.SessionCommand
 import com.bobbyesp.mediaplayer.ext.toMediaItem
+import com.bobbyesp.mediaplayer.service.notifications.MediaSessionLayoutHandler
 import com.bobbyesp.mediaplayer.service.queue.EmptyQueue
 import com.bobbyesp.mediaplayer.service.queue.Queue
 import kotlinx.coroutines.CoroutineScope
@@ -47,7 +51,19 @@ class MediaServiceHandler @Inject constructor(
 
     private var job: Job? = null
     private val scope = CoroutineScope(Dispatchers.Main)
+    private lateinit var mediaSessionInterface: MediaSessionLayoutHandler
+
+    fun setMediaSessionInterface(mediaSessionInterface: MediaSessionLayoutHandler) {
+        this.mediaSessionInterface = mediaSessionInterface
+    }
+
+    init {
+        player.addListener(this)
+        job = Job()
+    }
+
     override fun onIsPlayingChanged(isPlaying: Boolean) {
+        mediaSessionInterface.updateNotificationLayout()
         _mediaState.update {
             MediaState.Playing(isPlaying)
         }
@@ -57,11 +73,6 @@ class MediaServiceHandler @Inject constructor(
         super.onIsPlayingChanged(isPlaying)
     }
 
-    init {
-        player.addListener(this)
-        job = Job()
-    }
-
     /**
      * Stops the player, clears the media queue, and releases resources.
      */
@@ -221,13 +232,6 @@ class MediaServiceHandler @Inject constructor(
         }
     }
 
-    override fun onEvents(player: Player, events: Player.Events) {
-        super.onEvents(player, events)
-        if (events.containsAny(EVENT_TIMELINE_CHANGED, EVENT_POSITION_DISCONTINUITY)) {
-            currentMediaItem.value = player.currentMediaItem
-        }
-    }
-
     fun getActualMediaItem(): MediaItem? {
         return player.currentMediaItem
     }
@@ -252,6 +256,12 @@ class MediaServiceHandler @Inject constructor(
         return player.currentPosition / player.duration.toFloat()
     }
 
+    override fun onEvents(player: Player, events: Player.Events) {
+        super.onEvents(player, events)
+        if (events.containsAny(EVENT_TIMELINE_CHANGED, EVENT_POSITION_DISCONTINUITY)) {
+            currentMediaItem.value = player.currentMediaItem
+        }
+    }
 
     override fun onPlaybackStateChanged(playbackState: Int) {
         when (playbackState) {
@@ -281,6 +291,44 @@ class MediaServiceHandler @Inject constructor(
         }
     }
 
+    /**
+     * This method is triggered when the shuffle mode is enabled or disabled in the player.
+     * It updates the notification layout and, if shuffle mode is enabled, it shuffles the media items in the player.
+     *
+     * @param shuffleModeEnabled A boolean indicating whether shuffle mode is enabled.
+     */
+    override fun onShuffleModeEnabledChanged(shuffleModeEnabled: Boolean) {
+        // Update the notification layout
+        mediaSessionInterface.updateNotificationLayout()
+
+        // If shuffle mode is enabled
+        if (shuffleModeEnabled) {
+            // Always put current playing item at first
+            // Create an array of indices representing the media items in the player
+            val shuffledIndices = IntArray(player.mediaItemCount) { it }
+
+            // Shuffle the indices
+            shuffledIndices.shuffle()
+
+            // Swap the current media item index with the first index
+            shuffledIndices[shuffledIndices.indexOf(player.currentMediaItemIndex)] =
+                shuffledIndices[0]
+            shuffledIndices[0] = player.currentMediaItemIndex
+
+            // Set the shuffle order in the player using the shuffled indices
+            player.setShuffleOrder(
+                ShuffleOrder.DefaultShuffleOrder(
+                    shuffledIndices,
+                    System.currentTimeMillis()
+                )
+            )
+        }
+    }
+
+    override fun onRepeatModeChanged(repeatMode: Int) {
+        mediaSessionInterface.updateNotificationLayout()
+    }
+
     private suspend fun startProgressUpdate() = job.run {
         while (true) {
             delay(250)
@@ -303,6 +351,17 @@ class MediaServiceHandler @Inject constructor(
     ) {
         TODO("Not yet implemented")
     }
+
+    companion object {
+        const val ACTION_TOGGLE_LIBRARY = "TOGGLE_LIBRARY"
+        const val ACTION_TOGGLE_LIKE = "TOGGLE_LIKE"
+        const val ACTION_TOGGLE_SHUFFLE = "TOGGLE_SHUFFLE"
+        const val ACTION_TOGGLE_REPEAT_MODE = "TOGGLE_REPEAT_MODE"
+        val CommandToggleLibrary = SessionCommand(ACTION_TOGGLE_LIBRARY, Bundle.EMPTY)
+        val CommandToggleLike = SessionCommand(ACTION_TOGGLE_LIKE, Bundle.EMPTY)
+        val CommandToggleShuffle = SessionCommand(ACTION_TOGGLE_SHUFFLE, Bundle.EMPTY)
+        val CommandToggleRepeatMode = SessionCommand(ACTION_TOGGLE_REPEAT_MODE, Bundle.EMPTY)
+    }
 }
 
 sealed class PlayerEvent {

app/mediaplayer/src/main/java/com/bobbyesp/mediaplayer/service/MediaplayerService.kt

@@ -2,17 +2,26 @@ package com.bobbyesp.mediaplayer.service
 
 import android.content.Intent
 import android.os.Binder
+import android.util.Log
 import androidx.media3.common.Player
+import androidx.media3.common.Player.REPEAT_MODE_ALL
+import androidx.media3.common.Player.REPEAT_MODE_OFF
+import androidx.media3.common.Player.REPEAT_MODE_ONE
 import androidx.media3.common.util.UnstableApi
+import androidx.media3.session.CommandButton
 import androidx.media3.session.MediaSession
 import androidx.media3.session.MediaSessionService
+import com.bobbyesp.mediaplayer.R
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.CommandToggleRepeatMode
+import com.bobbyesp.mediaplayer.service.MediaServiceHandler.Companion.CommandToggleShuffle
 import com.bobbyesp.mediaplayer.service.notifications.MediaNotificationManager
+import com.bobbyesp.mediaplayer.service.notifications.MediaSessionLayoutHandler
 import dagger.hilt.android.AndroidEntryPoint
 import javax.inject.Inject
 
 @UnstableApi
 @AndroidEntryPoint
-class MediaplayerService : MediaSessionService() {
+class MediaplayerService : MediaSessionService(), MediaSessionLayoutHandler {
     @Inject
     lateinit var mediaSession: MediaSession
 
@@ -25,14 +34,48 @@ class MediaplayerService : MediaSessionService() {
     @Inject
     lateinit var mediaServiceHandler: MediaServiceHandler
 
+    override fun updateNotificationLayout() {
+        Log.i("MediaplayerService", "Updating notification layout")
+        mediaSession.setCustomLayout(
+            listOf(
+                CommandButton.Builder()
+                    .setDisplayName(getString(if (mediaSession.player.shuffleModeEnabled) R.string.action_shuffle_off else R.string.action_shuffle_on))
+                    .setIconResId(if (mediaSession.player.shuffleModeEnabled) R.drawable.shuffle_on else R.drawable.shuffle)
+                    .setSessionCommand(CommandToggleShuffle)
+                    .build(),
+                CommandButton.Builder()
+                    .setDisplayName(
+                        getString(
+                            when (mediaSession.player.repeatMode) {
+                                REPEAT_MODE_OFF -> R.string.repeat_mode_off
+                                REPEAT_MODE_ONE -> R.string.repeat_mode_one
+                                REPEAT_MODE_ALL -> R.string.repeat_mode_all
+                                else -> throw IllegalStateException()
+                            }
+                        )
+                    )
+                    .setIconResId(
+                        when (mediaSession.player.repeatMode) {
+                            REPEAT_MODE_OFF -> R.drawable.repeat
+                            REPEAT_MODE_ONE -> R.drawable.repeat_one_on
+                            REPEAT_MODE_ALL -> R.drawable.repeat_on
+                            else -> throw IllegalStateException()
+                        }
+                    )
+                    .setSessionCommand(CommandToggleRepeatMode)
+                    .build()
+            )
+        )
+    }
+
     @UnstableApi
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         connectionHandler.connect(mediaServiceHandler)
         notificationManager.startNotificationService(
             mediaSessionService = this,
             mediaSession = mediaSession
         )
-
+        mediaServiceHandler.setMediaSessionInterface(this)
         return super.onStartCommand(intent, flags, startId)
     }
 

app/mediaplayer/src/main/java/com/bobbyesp/mediaplayer/service/notifications/MediaSessionLayoutHandler.kt

@@ -0,0 +1,5 @@
+package com.bobbyesp.mediaplayer.service.notifications
+
+interface MediaSessionLayoutHandler {
+    fun updateNotificationLayout()
+}

app/mediaplayer/src/main/res/drawable/repeat.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp">
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M7,7h10v1.79c0,0.45 0.54,0.67 0.85,0.35l2.79,-2.79c0.2,-0.2 0.2,-0.51 0,-0.71l-2.79,-2.79c-0.31,-0.31 -0.85,-0.09 -0.85,0.36L17,5L6,5c-0.55,0 -1,0.45 -1,1v4c0,0.55 0.45,1 1,1s1,-0.45 1,-1L7,7zM17,17L7,17v-1.79c0,-0.45 -0.54,-0.67 -0.85,-0.35l-2.79,2.79c-0.2,0.2 -0.2,0.51 0,0.71l2.79,2.79c0.31,0.31 0.85,0.09 0.85,-0.36L7,19h11c0.55,0 1,-0.45 1,-1v-4c0,-0.55 -0.45,-1 -1,-1s-1,0.45 -1,1v3z" />
+
+</vector>

app/mediaplayer/src/main/res/drawable/repeat_on.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp">
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M21,1H3C1.9,1 1,1.9 1,3v18c0,1.1 0.9,2 2,2h18c1.1,0 2,-0.9 2,-2V3C23,1.9 22.1,1 21,1zM19,18c0,0.55 -0.45,1 -1,1H7v1.79c0,0.45 -0.54,0.67 -0.85,0.36l-2.79,-2.79c-0.2,-0.2 -0.2,-0.51 0,-0.71l2.79,-2.79C6.46,14.54 7,14.76 7,15.21V17h10v-3c0,-0.55 0.45,-1 1,-1s1,0.45 1,1V18zM20.64,6.35l-2.79,2.79C17.54,9.46 17,9.24 17,8.79V7H7v3c0,0.55 -0.45,1 -1,1s-1,-0.45 -1,-1V6c0,-0.55 0.45,-1 1,-1h11V3.21c0,-0.45 0.54,-0.67 0.85,-0.36l2.79,2.79C20.84,5.84 20.84,6.15 20.64,6.35z" />
+
+</vector>

app/mediaplayer/src/main/res/drawable/repeat_one_on.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp">
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M21,1H3C1.9,1 1,1.9 1,3v18c0,1.1 0.9,2 2,2h18c1.1,0 2,-0.9 2,-2V3C23,1.9 22.1,1 21,1zM19,18c0,0.55 -0.45,1 -1,1H7v1.79c0,0.45 -0.54,0.67 -0.85,0.36l-2.79,-2.79c-0.2,-0.2 -0.2,-0.51 0,-0.71l2.79,-2.79C6.46,14.54 7,14.76 7,15.21V17h10v-3c0,-0.55 0.45,-1 1,-1s1,0.45 1,1V18zM10.75,10.5c-0.41,0 -0.75,-0.34 -0.75,-0.75S10.34,9 10.75,9h1.5C12.66,9 13,9.34 13,9.75v4.5c0,0.41 -0.34,0.75 -0.75,0.75s-0.75,-0.34 -0.75,-0.75V10.5H10.75zM20.64,6.35l-2.79,2.79C17.54,9.46 17,9.24 17,8.79V7H7v3c0,0.55 -0.45,1 -1,1s-1,-0.45 -1,-1V6c0,-0.55 0.45,-1 1,-1h11V3.21c0,-0.45 0.54,-0.67 0.85,-0.36l2.79,2.79C20.84,5.84 20.84,6.15 20.64,6.35z" />
+
+</vector>

app/mediaplayer/src/main/res/drawable/shuffle.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp">
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M10.59,9.17L6.12,4.7c-0.39,-0.39 -1.02,-0.39 -1.41,0 -0.39,0.39 -0.39,1.02 0,1.41l4.46,4.46 1.42,-1.4zM15.35,4.85l1.19,1.19L4.7,17.88c-0.39,0.39 -0.39,1.02 0,1.41 0.39,0.39 1.02,0.39 1.41,0L17.96,7.46l1.19,1.19c0.31,0.31 0.85,0.09 0.85,-0.36L20,4.5c0,-0.28 -0.22,-0.5 -0.5,-0.5h-3.79c-0.45,0 -0.67,0.54 -0.36,0.85zM14.83,13.41l-1.41,1.41 3.13,3.13 -1.2,1.2c-0.31,0.31 -0.09,0.85 0.36,0.85h3.79c0.28,0 0.5,-0.22 0.5,-0.5v-3.79c0,-0.45 -0.54,-0.67 -0.85,-0.35l-1.19,1.19 -3.13,-3.14z" />
+
+</vector>

app/mediaplayer/src/main/res/drawable/shuffle_on.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp">
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M21,1H3C1.9,1 1,1.9 1,3v18c0,1.1 0.9,2 2,2h18c1.1,0 2,-0.9 2,-2V3C23,1.9 22.1,1 21,1zM4.3,4.7c0.39,-0.39 1.02,-0.39 1.41,0l4.47,4.47l-1.42,1.4L4.3,6.11C3.91,5.72 3.91,5.09 4.3,4.7zM19.59,19.5c0,0.28 -0.22,0.5 -0.5,0.5H15.3c-0.45,0 -0.67,-0.54 -0.36,-0.85l1.2,-1.2l-3.13,-3.13l1.41,-1.41l3.13,3.14l1.19,-1.19c0.31,-0.32 0.85,-0.1 0.85,0.35V19.5zM19.59,8.29c0,0.45 -0.54,0.67 -0.85,0.36l-1.19,-1.19L5.7,19.29c-0.39,0.39 -1.02,0.39 -1.41,0c-0.39,-0.39 -0.39,-1.02 0,-1.41L16.13,6.04l-1.19,-1.19C14.63,4.54 14.85,4 15.3,4h3.79c0.28,0 0.5,0.22 0.5,0.5V8.29z" />
+
+</vector>