fix(chromecast): add custom routes for next/prev

android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
   }
 
   dependencies {
-    classpath "com.android.tools.build:gradle:8.8.0"
+    classpath "com.android.tools.build:gradle:9.2.1"
   }
 }
 
@@ -143,16 +143,15 @@ dependencies {
   // Add a dependency on NitroModules
   implementation project(":react-native-nitro-modules")
 
-  implementation("org.videolan.android:libvlc-all:4.0.0-eap24")
-  implementation("androidx.media3:media3-common:1.4.1")
-  implementation("androidx.media3:media3-session:1.4.1")
-  implementation("androidx.media3:media3-ui:1.4.1")
-  implementation 'androidx.media3:media3-exoplayer:1.10.0'
-  implementation("androidx.media3:media3-exoplayer-hls:1.10.0")
-
-  implementation("androidx.media3:media3-cast:1.10.0")
+  implementation("org.videolan.android:libvlc-all:4.0.0-eap29")
+  implementation("androidx.media3:media3-common:1.11.0")
+  implementation("androidx.media3:media3-session:1.11.0")
+  implementation("androidx.media3:media3-ui:1.11.0")
+  implementation 'androidx.media3:media3-exoplayer:1.11.0'
+  implementation("androidx.media3:media3-exoplayer-hls:1.11.0")
+  implementation("androidx.media3:media3-cast:1.11.0")
   implementation("com.google.android.gms:play-services-cast-framework:22.3.1")
-  implementation("androidx.mediarouter:mediarouter:1.7.0")
+  implementation("androidx.mediarouter:mediarouter:1.8.1")
 }
 
 if (isNewArchitectureEnabled()) {

android/src/main/java/dev/zoriya/omni/EventMap.kt

@@ -5,12 +5,9 @@ import androidx.media3.common.C
 import androidx.media3.common.C.TRACK_TYPE_AUDIO
 import androidx.media3.common.C.TRACK_TYPE_TEXT
 import androidx.media3.common.C.TRACK_TYPE_VIDEO
-import androidx.media3.common.MediaItem
 import androidx.media3.common.PlaybackException
 import androidx.media3.common.PlaybackParameters
 import androidx.media3.common.Player
-import androidx.media3.common.Player.MEDIA_ITEM_TRANSITION_REASON_AUTO
-import androidx.media3.common.Player.MEDIA_ITEM_TRANSITION_REASON_SEEK
 import androidx.media3.common.Player.STATE_BUFFERING
 import androidx.media3.common.Player.STATE_ENDED
 import androidx.media3.common.Player.STATE_IDLE
@@ -59,7 +56,6 @@ class EventMap(private val tracks: TrackProvider) : HybridOmniEventMapSpec(), Pl
     private val castStatusListeners = mutableSetOf<(CastStatus) -> Unit>()
     private val sourceListeners = mutableSetOf<(Source?) -> Unit>()
 
-    private var lastMediaItemIndex = 0
     private var lastRendition: Rendition? = null
     private var lastRenditions: Array<Rendition>? = null
     private var lastIsAutoQuality: Boolean? = null
@@ -73,7 +69,6 @@ class EventMap(private val tracks: TrackProvider) : HybridOmniEventMapSpec(), Pl
             _player?.removeListener(this)
             _player = value
             value.addListener(this)
-            lastMediaItemIndex = value.currentMediaItemIndex
             lastRendition = null
             lastRenditions = null
             lastIsAutoQuality = null
@@ -116,6 +111,14 @@ class EventMap(private val tracks: TrackProvider) : HybridOmniEventMapSpec(), Pl
         sourceListeners.forEach { it(source) }
     }
 
+    fun emitPrev() {
+        onPrevListeners.forEach { it() }
+    }
+
+    fun emitNext() {
+        onNextListeners.forEach { it() }
+    }
+
     private fun selectedTrack(trackType: Int): Track? {
         val list = when (trackType) {
             TRACK_TYPE_VIDEO -> tracks.videos
@@ -278,20 +281,6 @@ class EventMap(private val tracks: TrackProvider) : HybridOmniEventMapSpec(), Pl
         playerStatusListeners.forEach { it(PlayerStatus.ERROR) }
     }
 
-    override fun onMediaItemTransition(mediaItem: MediaItem?, reason: Int) {
-        if (reason != MEDIA_ITEM_TRANSITION_REASON_AUTO && reason != MEDIA_ITEM_TRANSITION_REASON_SEEK) {
-            lastMediaItemIndex = player.currentMediaItemIndex
-            return
-        }
-        val newIndex = player.currentMediaItemIndex
-        if (newIndex < lastMediaItemIndex) {
-            onPrevListeners.forEach { it() }
-        } else if (newIndex > lastMediaItemIndex) {
-            onNextListeners.forEach { it() }
-        }
-        lastMediaItemIndex = newIndex
-    }
-
     override fun onPositionDiscontinuity(
         oldPosition: Player.PositionInfo,
         newPosition: Player.PositionInfo,

android/src/main/java/dev/zoriya/omni/NavigationPlayer.kt

@@ -0,0 +1,51 @@
+package dev.zoriya.omni
+
+import androidx.annotation.OptIn
+import androidx.media3.common.ForwardingSimpleBasePlayer
+import androidx.media3.common.Player
+import androidx.media3.common.util.UnstableApi
+import com.google.common.util.concurrent.Futures
+import com.google.common.util.concurrent.ListenableFuture
+
+@OptIn(UnstableApi::class)
+class NavigationPlayer(
+    player: Player,
+    private val hasPrev: () -> Boolean,
+    private val hasNext: () -> Boolean,
+    private val onPrev: () -> Unit,
+    private val onNext: () -> Unit,
+) : ForwardingSimpleBasePlayer(player) {
+    override fun getState(): State {
+        val state = super.getState()
+        return state.buildUpon()
+            .setAvailableCommands(
+                state.availableCommands.buildUpon()
+                    .addIf(Player.COMMAND_SEEK_TO_PREVIOUS, hasPrev())
+                    .addIf(Player.COMMAND_SEEK_TO_PREVIOUS_MEDIA_ITEM, hasPrev())
+                    .addIf(Player.COMMAND_SEEK_TO_NEXT, hasNext())
+                    .addIf(Player.COMMAND_SEEK_TO_NEXT_MEDIA_ITEM, hasNext())
+                    .build()
+            )
+            .build()
+    }
+
+    override fun handleSeek(
+        mediaItemIndex: Int,
+        positionMs: Long,
+        seekCommand: Int,
+    ): ListenableFuture<*> = when (seekCommand) {
+        Player.COMMAND_SEEK_TO_PREVIOUS,
+        Player.COMMAND_SEEK_TO_PREVIOUS_MEDIA_ITEM -> {
+            onPrev()
+            Futures.immediateVoidFuture()
+        }
+
+        Player.COMMAND_SEEK_TO_NEXT,
+        Player.COMMAND_SEEK_TO_NEXT_MEDIA_ITEM -> {
+            onNext()
+            Futures.immediateVoidFuture()
+        }
+
+        else -> super.handleSeek(mediaItemIndex, positionMs, seekCommand)
+    }
+}

android/src/main/java/dev/zoriya/omni/OmniCastOptionsProvider.kt

@@ -3,6 +3,7 @@ package dev.zoriya.omni
 import android.content.Context
 import com.google.android.gms.cast.CastMediaControlIntent
 import com.google.android.gms.cast.framework.CastOptions
+import com.google.android.gms.cast.framework.media.CastMediaOptions
 import com.google.android.gms.cast.framework.OptionsProvider
 import com.google.android.gms.cast.framework.SessionProvider
 
@@ -11,9 +12,15 @@ class OmniCastOptionsProvider : OptionsProvider {
         val appId = OmniPlayer.receiverApplicationId
             ?: CastMediaControlIntent.DEFAULT_MEDIA_RECEIVER_APPLICATION_ID
 
+        val mediaOptions = CastMediaOptions.Builder()
+            .setMediaSessionEnabled(false)
+            .setNotificationOptions(null)
+            .build()
+
         return CastOptions.Builder()
             .setReceiverApplicationId(appId)
             .setShowSystemOutputSwitcherOnCastIconClick(true)
+            .setCastMediaOptions(mediaOptions)
             .build()
     }
 

android/src/main/java/dev/zoriya/omni/OmniMediaItemConverter.kt

@@ -24,8 +24,15 @@ class OmniMediaItemConverter : MediaItemConverter {
             builder.setMediaMetadata(
                 androidx.media3.common.MediaMetadata.Builder()
                     .setTitle(md.getString(CastMediaMetadata.KEY_TITLE))
-                    .setArtist(md.getString(CastMediaMetadata.KEY_ARTIST))
-                    .setAlbumTitle(md.getString(CastMediaMetadata.KEY_ALBUM_TITLE))
+                    .setArtist(
+                        md.getString(CastMediaMetadata.KEY_ARTIST)
+                            ?: md.getString(CastMediaMetadata.KEY_SUBTITLE)
+                    )
+                    .setAlbumTitle(
+                        md.getString(CastMediaMetadata.KEY_ALBUM_TITLE)
+                            ?: md.getString(CastMediaMetadata.KEY_STUDIO)
+                    )
+                    .setArtworkUri(md.images.firstOrNull()?.url)
                     .build()
             )
         }

android/src/main/java/dev/zoriya/omni/OmniPlayer.kt

@@ -99,8 +99,27 @@ class OmniPlayer(
     override val eventMap = EventMap(this)
 
     private var castContext: CastContext? = null
-    private val castStateListener =
-        CastStateListener { eventMap.emitCastStatus(computeCastStatus()) }
+    private val castStateListener = CastStateListener {
+        eventMap.emitCastStatus(computeCastStatus())
+        listenToReceiver()
+    }
+
+    // receivers have no queue to skip in (a queue would make them play things on
+    // their own), so they ask us to do it when something else - google home, the
+    // assistant, ... - requests a prev/next. same path as our own buttons.
+    private fun listenToReceiver() {
+        val session = castContext?.sessionManager?.currentCastSession ?: return
+        try {
+            session.setMessageReceivedCallbacks(OMNI_NAMESPACE) { _, _, message ->
+                when (JSONObject(message).optString("action")) {
+                    "prev" -> runOnMainThread { eventMap.emitPrev() }
+                    "next" -> runOnMainThread { eventMap.emitNext() }
+                }
+            }
+        } catch (e: Throwable) {
+            android.util.Log.w("OmniPlayer", "could not listen to the receiver", e)
+        }
+    }
 
     val player: Player = runOnMainThreadSync {
         castOptions?.receiverApplicationId?.let { receiverApplicationId = it }
@@ -124,7 +143,13 @@ class OmniPlayer(
                 .setRemotePlayer(remote)
                 .build()
         }
-        active
+        NavigationPlayer(
+            active,
+            hasPrev = { source?.metadata?.hasPrev == true },
+            hasNext = { source?.metadata?.hasNext == true },
+            onPrev = { eventMap.emitPrev() },
+            onNext = { eventMap.emitNext() },
+        )
     }
 
     override var showNotification: Boolean? = false
@@ -140,19 +165,19 @@ class OmniPlayer(
         when {
             shouldShow && !serviceRunning -> {
                 val otherIsPlaying = notificationPlayer?.let { other ->
-                    other !== localPlayer && runOnMainThreadSync { other.isPlaying }
+                    other !== player && runOnMainThreadSync { other.isPlaying }
                 } == true
                 if (otherIsPlaying) {
                     throw Error("Two players can't display notifications at the same time.")
                 }
-                notificationPlayer = localPlayer
+                notificationPlayer = player
                 ctx.startForegroundService(Intent(ctx, OmniPlayerService::class.java))
                 serviceRunning = true
             }
 
             !shouldShow && serviceRunning -> {
                 ctx.stopService(Intent(ctx, OmniPlayerService::class.java))
-                if (notificationPlayer == localPlayer) notificationPlayer = null
+                if (notificationPlayer == player) notificationPlayer = null
                 serviceRunning = false
             }
         }
@@ -298,8 +323,8 @@ class OmniPlayer(
         }
     }
 
-    override val hasPrev: Boolean get() = player.hasPreviousMediaItem()
-    override val hasNext: Boolean get() = player.hasNextMediaItem()
+    override val hasPrev: Boolean get() = source?.metadata?.hasPrev == true
+    override val hasNext: Boolean get() = source?.metadata?.hasNext == true
     override val status by mainThreadProperty {
         when (player.playbackState) {
             Player.STATE_IDLE,
@@ -417,15 +442,10 @@ class OmniPlayer(
                 value.castId,
                 value.castData,
             )
-            val mediaItems = mutableListOf<MediaItem>()
-            if (value.metadata?.hasPrev == true) mediaItems.add(currentItem)
-            mediaItems.add(currentItem)
-            if (value.metadata?.hasNext == true) mediaItems.add(currentItem)
 
             runOnMainThreadSync {
-                val startIndex = if (value.metadata?.hasPrev == true) 1 else 0
                 val startPositionMs = ((value.startTime ?: 0.0).coerceAtLeast(0.0)) * 1000.0
-                player.setMediaItems(mediaItems, startIndex, startPositionMs.toLong())
+                player.setMediaItems(listOf(currentItem), 0, startPositionMs.toLong())
                 player.prepare()
             }
             syncNotificationService()
@@ -447,11 +467,11 @@ class OmniPlayer(
     }
 
     override fun playPrev() {
-        runOnMainThreadSync { player.seekToPreviousMediaItem() }
+        runOnMainThreadSync { eventMap.emitPrev() }
     }
 
     override fun playNext() {
-        runOnMainThreadSync { player.seekToNextMediaItem() }
+        runOnMainThreadSync { eventMap.emitNext() }
     }
 
     override fun selectVideo(video: Track) {
@@ -563,6 +583,10 @@ class OmniPlayer(
         const val CAST_ID_EXTRA = "dev.zoriya.omni.castId"
         const val CAST_DATA_EXTRA = "dev.zoriya.omni.castData"
 
+        // channel a receiver uses to ask us to play the prev/next media.
+        // it must declare it too (`customNamespaces` in the caf options).
+        const val OMNI_NAMESPACE = "urn:x-cast:dev.zoriya.omni"
+
         // Receiver application id passed at runtime via OmniProvider's `cast`
         // prop; read by OmniCastOptionsProvider when the Cast SDK initializes.
         var receiverApplicationId: String? = null

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME