From e83a580486aea57e6bb9067d4b373f79d28041b9 Mon Sep 17 00:00:00 2001
From: Finnley Somdahl <87634197+rebelonion@users.noreply.github.com>
Date: Wed, 27 Dec 2023 08:58:36 -0600
Subject: [PATCH] native casting support

---
 app/build.gradle                              |  3 +
 app/src/main/AndroidManifest.xml              |  5 ++
 .../media/anime/CustomCastThemeFactory.kt     | 43 ++++++++++
 .../ani/dantotsu/media/anime/ExoplayerView.kt | 86 ++++++++++++++++---
 .../res/layout/exo_player_control_view.xml    |  3 +-
 app/src/main/res/values/style.xml             | 11 ++-
 6 files changed, 132 insertions(+), 19 deletions(-)
 create mode 100644 app/src/main/java/ani/dantotsu/media/anime/CustomCastThemeFactory.kt

diff --git a/app/build.gradle b/app/build.gradle
index 0f0292895f1..89adda862f9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -90,6 +90,9 @@ dependencies {
     implementation "androidx.media3:media3-exoplayer-dash:$exo_version"
     implementation "androidx.media3:media3-datasource-okhttp:$exo_version"
     implementation "androidx.media3:media3-session:$exo_version"
+    //media3 casting
+    implementation "androidx.media3:media3-cast:$exo_version"
+    implementation "androidx.mediarouter:mediarouter:1.6.0"
 
 //    UI
     implementation 'com.google.android.material:material:1.10.0'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index cd7cec878a3..7750a9586ff 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,6 +10,8 @@
         android:required="false" />
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_MULTICAST_STATE"
+        tools:ignore="LeanbackUsesWifi" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
@@ -299,6 +301,9 @@
             android:name=".connections.discord.DiscordService"
             android:exported="false"
             android:foregroundServiceType="dataSync" />
+
+        <meta-data android:name="com.google.android.gms.cast.framework.OPTIONS_PROVIDER_CLASS_NAME"
+            android:value="androidx.media3.cast.DefaultCastOptionsProvider"/>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/ani/dantotsu/media/anime/CustomCastThemeFactory.kt b/app/src/main/java/ani/dantotsu/media/anime/CustomCastThemeFactory.kt
new file mode 100644
index 00000000000..850072b8206
--- /dev/null
+++ b/app/src/main/java/ani/dantotsu/media/anime/CustomCastThemeFactory.kt
@@ -0,0 +1,43 @@
+package ani.dantotsu.media.anime
+
+import android.content.Context
+import android.os.Bundle
+import androidx.mediarouter.app.MediaRouteActionProvider
+import androidx.mediarouter.app.MediaRouteChooserDialog
+import androidx.mediarouter.app.MediaRouteChooserDialogFragment
+import androidx.mediarouter.app.MediaRouteControllerDialog
+import androidx.mediarouter.app.MediaRouteControllerDialogFragment
+import androidx.mediarouter.app.MediaRouteDialogFactory
+import ani.dantotsu.R
+
+class CustomCastProvider(context: Context) : MediaRouteActionProvider(context) {
+    init {
+        dialogFactory = CustomCastThemeFactory()
+    }
+}
+
+class CustomCastThemeFactory : MediaRouteDialogFactory() {
+    override fun onCreateChooserDialogFragment(): MediaRouteChooserDialogFragment {
+        return CustomMediaRouterChooserDialogFragment()
+    }
+
+    override fun onCreateControllerDialogFragment(): MediaRouteControllerDialogFragment {
+        return CustomMediaRouteControllerDialogFragment()
+    }
+}
+
+class CustomMediaRouterChooserDialogFragment: MediaRouteChooserDialogFragment() {
+    override fun onCreateChooserDialog(
+            context: Context,
+            savedInstanceState: Bundle?
+    ): MediaRouteChooserDialog =
+            MediaRouteChooserDialog(context)
+}
+
+class CustomMediaRouteControllerDialogFragment: MediaRouteControllerDialogFragment() {
+    override fun onCreateControllerDialog(
+            context: Context,
+            savedInstanceState: Bundle?
+    ): MediaRouteControllerDialog =
+            MediaRouteControllerDialog(context, R.style.ThemeOverlay_Dantotsu_MediaRouter)
+}
\ No newline at end of file
diff --git a/app/src/main/java/ani/dantotsu/media/anime/ExoplayerView.kt b/app/src/main/java/ani/dantotsu/media/anime/ExoplayerView.kt
index c7cd6426365..253080e24b4 100644
--- a/app/src/main/java/ani/dantotsu/media/anime/ExoplayerView.kt
+++ b/app/src/main/java/ani/dantotsu/media/anime/ExoplayerView.kt
@@ -14,7 +14,6 @@ import android.content.pm.PackageManager
 import android.content.res.Configuration
 import android.graphics.Color
 import android.graphics.drawable.Animatable
-import android.hardware.Sensor
 import android.hardware.SensorManager
 import android.media.AudioManager
 import android.media.AudioManager.*
@@ -96,11 +95,15 @@ import java.util.concurrent.*
 import kotlin.math.max
 import kotlin.math.min
 import kotlin.math.roundToInt
-
+import androidx.media3.cast.SessionAvailabilityListener
+import androidx.media3.cast.CastPlayer
+import androidx.mediarouter.app.MediaRouteButton
+import com.google.android.gms.cast.framework.CastButtonFactory
+import com.google.android.gms.cast.framework.CastContext
 
 @UnstableApi
 @SuppressLint("SetTextI18n", "ClickableViewAccessibility")
-class ExoplayerView : AppCompatActivity(), Player.Listener {
+class ExoplayerView : AppCompatActivity(), Player.Listener, SessionAvailabilityListener {
 
     private val resumeWindow = "resumeWindow"
     private val resumePosition = "resumePosition"
@@ -108,6 +111,8 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
     private val playerOnPlay = "playerOnPlay"
 
     private lateinit var exoPlayer: ExoPlayer
+    private lateinit var castPlayer: CastPlayer
+    private lateinit var castContext: CastContext
     private lateinit var trackSelector: DefaultTrackSelector
     private lateinit var cacheFactory: CacheDataSource.Factory
     private lateinit var playbackParameters: PlaybackParameters
@@ -328,6 +333,11 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
         setContentView(binding.root)
 
         //Initialize
+
+        castContext = CastContext.getSharedInstance(this)
+        castPlayer = CastPlayer(castContext)
+        castPlayer.setSessionAvailabilityListener(this)
+
         WindowCompat.setDecorFitsSystemWindows(window, false)
         hideSystemBars()
 
@@ -387,7 +397,6 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
             orientationListener =
                 object : OrientationEventListener(this, SensorManager.SENSOR_DELAY_UI) {
                     override fun onOrientationChanged(orientation: Int) {
-                        println(orientation)
                         if (orientation in 45..135) {
                             if (rotation != ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE) exoRotate.visibility =
                                 View.VISIBLE
@@ -466,12 +475,18 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
             if (isInitialized) {
                 isPlayerPlaying = exoPlayer.isPlaying
                 (exoPlay.drawable as Animatable?)?.start()
-                if (isPlayerPlaying) {
+                if (isPlayerPlaying || castPlayer.isPlaying ) {
                     Glide.with(this).load(R.drawable.anim_play_to_pause).into(exoPlay)
                     exoPlayer.pause()
+                    castPlayer.pause()
                 } else {
-                    Glide.with(this).load(R.drawable.anim_pause_to_play).into(exoPlay)
-                    exoPlayer.play()
+                    if (!castPlayer.isPlaying && castPlayer.currentMediaItem != null) {
+                        Glide.with(this).load(R.drawable.anim_pause_to_play).into(exoPlay)
+                        castPlayer.play()
+                    } else if (!isPlayerPlaying) {
+                        Glide.with(this).load(R.drawable.anim_pause_to_play).into(exoPlay)
+                        exoPlayer.play()
+                    }
                 }
             }
         }
@@ -1074,11 +1089,10 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
 
         //Cast
         if (settings.cast) {
-            playerView.findViewById<ImageButton>(R.id.exo_cast).apply {
+            playerView.findViewById<MediaRouteButton>(R.id.exo_cast).apply {
                 visibility = View.VISIBLE
-                setSafeOnClickListener {
-                    cast()
-                }
+                CastButtonFactory.setUpMediaRouteButton(context, this)
+                dialogFactory = CustomCastThemeFactory()
             }
         }
 
@@ -1483,7 +1497,9 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
         super.onPause()
         orientationListener?.disable()
         if (isInitialized) {
-            playerView.player?.pause()
+            if (!castPlayer.isPlaying) {
+                playerView.player?.pause()
+            }
             saveData(
                 "${media.id}_${media.anime!!.selectedEpisode}",
                 exoPlayer.currentPosition,
@@ -1504,7 +1520,9 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
     }
 
     override fun onStop() {
-        playerView.player?.pause()
+        if (!castPlayer.isPlaying) {
+            playerView.player?.pause()
+        }
         super.onStop()
     }
 
@@ -1797,7 +1815,6 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
 
     // Enter PiP Mode
     @Suppress("DEPRECATION")
-    @RequiresApi(Build.VERSION_CODES.N)
     private fun enterPipMode() {
         wasPlaying = isPlayerPlaying
         if (!pipEnabled) return
@@ -1870,6 +1887,47 @@ class ExoplayerView : AppCompatActivity(), Player.Listener {
         }
     }
 
+
+    private fun startCastPlayer() {
+        castPlayer.setMediaItem(mediaItem)
+        castPlayer.prepare()
+        playerView.player = castPlayer
+        exoPlayer.stop()
+        castPlayer.addListener(object : Player.Listener {
+            //if the player is paused changed, we want to update the UI
+            override fun onPlayWhenReadyChanged(playWhenReady: Boolean, reason: Int) {
+                super.onPlayWhenReadyChanged(playWhenReady, reason)
+                if (playWhenReady) {
+                    (exoPlay.drawable as Animatable?)?.start()
+                    Glide.with(this@ExoplayerView)
+                        .load(R.drawable.anim_play_to_pause)
+                        .into(exoPlay)
+                } else {
+                    (exoPlay.drawable as Animatable?)?.start()
+                    Glide.with(this@ExoplayerView)
+                        .load(R.drawable.anim_pause_to_play)
+                        .into(exoPlay)
+                }
+            }
+        })
+    }
+
+    private fun startExoPlayer() {
+        exoPlayer.setMediaItem(mediaItem)
+        exoPlayer.prepare()
+        playerView.player = exoPlayer
+        castPlayer.stop()
+    }
+
+    override fun onCastSessionAvailable() {
+        startCastPlayer()
+    }
+
+    override fun onCastSessionUnavailable() {
+        startExoPlayer()
+    }
+
+
     @SuppressLint("ViewConstructor")
     class ExtendedTimeBar(
         context: Context,
diff --git a/app/src/main/res/layout/exo_player_control_view.xml b/app/src/main/res/layout/exo_player_control_view.xml
index eb4d99ea279..ceef7edc791 100644
--- a/app/src/main/res/layout/exo_player_control_view.xml
+++ b/app/src/main/res/layout/exo_player_control_view.xml
@@ -174,12 +174,11 @@
                         app:srcCompat="@drawable/ic_round_screen_rotation_alt_24"
                         tools:ignore="ContentDescription,SpeakableTextPresentCheck" />
 
-                    <ImageButton
+                    <androidx.mediarouter.app.MediaRouteButton
                         android:id="@+id/exo_cast"
                         android:layout_width="wrap_content"
                         android:layout_height="48dp"
                         android:backgroundTint="#00FFFFFF"
-                        android:src="@drawable/ic_round_cast_24"
                         android:visibility="gone"
                         app:layout_constraintBottom_toBottomOf="parent"
                         app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/values/style.xml b/app/src/main/res/values/style.xml
index f197a318312..63ac05e8281 100644
--- a/app/src/main/res/values/style.xml
+++ b/app/src/main/res/values/style.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+
     <style name="NavBarText">
         <item name="android:textAllCaps">true</item>
         <item name="android:fontFamily">@font/poppins_bold</item>
@@ -14,7 +15,6 @@
     </style>
 
 
-
     <style name="Suffix">
         <item name="android:height">54dp</item>
         <item name="android:fontFamily">@font/poppins_bold</item>
@@ -37,19 +37,22 @@
         <item name="background">@id/bg</item>
         <item name="cornerFamily">rounded</item>
     </style>
+
     <style name="roundedImageView" parent="">
         <item name="cornerFamily">rounded</item>
         <item name="cornerSize">16dp</item>
     </style>
+
     <style name="MySnackbar" parent="Widget.MaterialComponents.Snackbar">
         <item name="android:layout_marginLeft">16dp</item>
         <item name="android:layout_marginRight">16dp</item>
         <item name="android:background">@drawable/round_corner</item>
     </style>
+
     <string name="MySnackBarText" parent="Widget.MaterialComponents.Snackbar.TextView" translatable="false">
         <item name="android:textColor">@color/bg_opp</item>
     </string>
-    
+
     <style name="fontTooltip" parent="Widget.Material3.Tooltip">
         <item name="android:padding">8dp</item>
         <item name="android:textAppearance">@style/Suffix</item>
@@ -67,10 +70,12 @@
         <item name="android:windowIsFloating">true</item>
         <item name="android:windowNoTitle">true</item>
         <item name="windowActionBar">false</item>
-</style>
+    </style>
 
     <style name="BottomNavBar" parent="">
         <!-- set background color  to transparent -->
         <item name="android:background">@android:color/transparent</item>
     </style>
+    <style name="ThemeOverlay_Dantotsu_MediaRouter" parent="ThemeOverlay.AppCompat">
+    </style>
 </resources>
\ No newline at end of file