PiP: Forward and Rewind actions

app/src/main/java/com/github/libretube/enums/PlayerEvent.kt

@@ -0,0 +1,14 @@
+package com.github.libretube.enums
+
+enum class PlayerEvent(val value: Int) {
+    Pause(0),
+    Play(1),
+    Forward(2),
+    Rewind(3),
+    Next(5),
+    Prev(6);
+
+    companion object {
+        fun fromInt(value: Int) = PlayerEvent.values().first { it.value == value }
+    }
+}

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

@@ -2,8 +2,10 @@ package com.github.libretube.ui.fragments
 
 import android.annotation.SuppressLint
 import android.app.PictureInPictureParams
+import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
 import android.content.pm.ActivityInfo
 import android.content.res.Configuration
 import android.media.session.PlaybackState
@@ -50,6 +52,7 @@ import com.github.libretube.databinding.PlayerGestureControlsViewBinding
 import com.github.libretube.db.DatabaseHelper
 import com.github.libretube.db.DatabaseHolder.Companion.Database
 import com.github.libretube.db.obj.WatchPosition
+import com.github.libretube.enums.PlayerEvent
 import com.github.libretube.enums.ShareObjectType
 import com.github.libretube.extensions.TAG
 import com.github.libretube.extensions.awaitQuery
@@ -107,15 +110,15 @@ import com.google.android.exoplayer2.ui.StyledPlayerView
 import com.google.android.exoplayer2.upstream.DefaultDataSource
 import com.google.android.exoplayer2.util.MimeTypes
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import java.io.IOException
+import java.util.*
+import java.util.concurrent.Executors
+import kotlin.math.abs
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import org.chromium.net.CronetEngine
 import retrofit2.HttpException
-import java.io.IOException
-import java.util.*
-import java.util.concurrent.Executors
-import kotlin.math.abs
 
 class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
 
@@ -178,6 +181,28 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
 
     val handler = Handler(Looper.getMainLooper())
 
+    private val broadcastReceiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context?, intent: Intent?) {
+            val action = intent?.getIntExtra(PlayerHelper.CONTROL_TYPE, 0) ?: return
+            when (PlayerEvent.fromInt(action)) {
+                PlayerEvent.Play -> {
+                    exoPlayer.play()
+                }
+                PlayerEvent.Pause -> {
+                    exoPlayer.pause()
+                }
+                PlayerEvent.Forward -> {
+                    exoPlayer.seekTo(exoPlayer.currentPosition + PlayerHelper.seekIncrement)
+                }
+                PlayerEvent.Rewind -> {
+                    exoPlayer.seekTo(exoPlayer.currentPosition - PlayerHelper.seekIncrement)
+                }
+                else -> {
+                }
+            }
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         arguments?.let {
@@ -186,6 +211,12 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
             channelId = it.getString(IntentData.channelId)
             keepQueue = it.getBoolean(IntentData.keepQueue, false)
         }
+
+        // broadcast receiver for PiP actions
+        context?.registerReceiver(
+            broadcastReceiver,
+            IntentFilter(PlayerHelper.getIntentActon(requireContext()))
+        )
     }
 
     override fun onCreateView(
@@ -529,6 +560,9 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
             // disable the auto PiP mode for SDK >= 32
             disableAutoPiP()
 
+            // unregister the receiver for player actions
+            context?.unregisterReceiver(broadcastReceiver)
+
             saveWatchPosition()
 
             // clear the playing queue and release the player
@@ -794,7 +828,9 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
     private fun localizedDate(date: String?): String? {
         return if (SDK_INT >= Build.VERSION_CODES.N) {
             TextUtils.localizeDate(date, resources.configuration.locales[0])
-        } else TextUtils.localizeDate(date)
+        } else {
+            TextUtils.localizeDate(date)
+        }
     }
 
     private fun handleLiveVideo() {
@@ -855,10 +891,11 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
         // Listener for play and pause icon change
         exoPlayer.addListener(object : Player.Listener {
             override fun onIsPlayingChanged(isPlaying: Boolean) {
+                if (usePiP()) activity?.setPictureInPictureParams(getPipParams())
+
                 if (isPlaying) {
                     // Stop [BackgroundMode] service if it is running.
                     BackgroundHelper.stopBackgroundPlay(requireContext())
-                    if (usePiP()) activity?.setPictureInPictureParams(getPipParams())
                 } else {
                     disableAutoPiP()
                 }
@@ -1169,8 +1206,8 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
 
         for (vid in videoStreams) {
             if (resolutions.any {
-                it.resolution == vid.quality.qualityToInt()
-            } || vid.url == null
+                    it.resolution == vid.quality.qualityToInt()
+                } || vid.url == null
             ) {
                 continue
             }
@@ -1460,7 +1497,7 @@ class PlayerFragment : BaseFragment(), OnlinePlayerOptions {
 
     @RequiresApi(Build.VERSION_CODES.O)
     fun getPipParams(): PictureInPictureParams = PictureInPictureParams.Builder()
-        .setActions(emptyList())
+        .setActions(PlayerHelper.getPIPModeActions(requireActivity(), exoPlayer.isPlaying))
         .apply {
             if (SDK_INT >= Build.VERSION_CODES.S) {
                 setAutoEnterEnabled(true)

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

@@ -1,16 +1,29 @@
 package com.github.libretube.util
 
+import android.app.Activity
+import android.app.PendingIntent
+import android.app.RemoteAction
 import android.content.Context
+import android.content.Intent
 import android.content.pm.ActivityInfo
+import android.graphics.drawable.Icon
+import android.os.Build
 import android.view.accessibility.CaptioningManager
+import androidx.annotation.RequiresApi
+import androidx.annotation.StringRes
+import com.github.libretube.R
 import com.github.libretube.api.obj.PipedStream
 import com.github.libretube.constants.PreferenceKeys
 import com.github.libretube.enums.AudioQuality
+import com.github.libretube.enums.PlayerEvent
 import com.google.android.exoplayer2.ui.CaptionStyleCompat
 import com.google.android.exoplayer2.video.VideoSize
 import kotlin.math.roundToInt
 
 object PlayerHelper {
+    private const val ACTION_MEDIA_CONTROL = "media_control"
+    const val CONTROL_TYPE = "control_type"
+
     /**
      * Get the audio source following the users preferences
      */
@@ -43,7 +56,7 @@ object PlayerHelper {
     /**
      * Get the best or worst bitrate from a list of audio streams
      * @param audios list of the audio streams
-     * @param getLeast whether the least bitrate should be returned
+     * @param quality Whether to use the best or worst quality available
      * @return Url of the audio source
      */
     private fun getBitRate(audios: List<PipedStream>, quality: AudioQuality): String {
@@ -332,4 +345,74 @@ object PlayerHelper {
             )
         }
     }
+
+    fun getIntentActon(context: Context): String {
+        return context.packageName + "." + ACTION_MEDIA_CONTROL
+    }
+
+    private fun getPendingIntent(activity: Activity, code: Int): PendingIntent {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            PendingIntent.getBroadcast(
+                activity,
+                code,
+                Intent(getIntentActon(activity)).putExtra(CONTROL_TYPE, code),
+                PendingIntent.FLAG_IMMUTABLE
+            )
+        } else {
+            PendingIntent.getBroadcast(
+                activity,
+                code,
+                Intent(getIntentActon(activity)).putExtra(CONTROL_TYPE, code),
+                0
+            )
+        }
+    }
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    private fun getRemoteAction(
+        activity: Activity,
+        id: Int,
+        @StringRes title: Int,
+        event: PlayerEvent
+    ): RemoteAction {
+        val text = activity.getString(title)
+        return RemoteAction(
+            Icon.createWithResource(activity, id),
+            text,
+            text,
+            getPendingIntent(activity, event.value)
+        )
+    }
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    fun getPIPModeActions(activity: Activity, isPlaying: Boolean): ArrayList<RemoteAction> {
+        val actions: ArrayList<RemoteAction> = ArrayList()
+        actions.add(
+            getRemoteAction(
+                activity,
+                R.drawable.ic_rewind,
+                R.string.rewind,
+                PlayerEvent.Rewind
+            )
+        )
+
+        actions.add(
+            getRemoteAction(
+                activity,
+                if (isPlaying) R.drawable.ic_pause else R.drawable.ic_play,
+                R.string.pause,
+                if (isPlaying) PlayerEvent.Pause else PlayerEvent.Play
+            )
+        )
+
+        actions.add(
+            getRemoteAction(
+                activity,
+                R.drawable.ic_forward,
+                R.string.forward,
+                PlayerEvent.Forward
+            )
+        )
+        return actions
+    }
 }

app/src/main/res/values/strings.xml

@@ -425,6 +425,9 @@
     <string name="shuffle">Shuffle</string>
     <string name="add_to_bookmarks">Add to bookmarks</string>
     <string name="remove_bookmark">Remove bookmark</string>
+    <string name="rewind">Rewind</string>
+    <string name="forward">Forward</string>
+    <string name="pause">Pause</string>
 
     <!-- Notification channel strings -->
     <string name="download_channel_name">Download Service</string>