feat: automatic PiP animation (#648)

* Add automatic PiP animation

* Fix linting

* Fix linting

* chore: fix merge conflict

* fix: disable pip gesture when media is paused

* fix: crash when gestures are disabled

* fix: keep auto enter enabled after using button

---------

Co-authored-by: Cd16d <98320806+cd16b@users.noreply.github.com>
Co-authored-by: Jarne Demeulemeester <jarnedemeulemeester@gmail.com>

app/phone/src/main/java/dev/jdtech/jellyfin/PlayerActivity.kt

@@ -169,6 +169,11 @@ class PlayerActivity : BasePlayerActivity() {
                     viewModel.eventsChannelFlow.collect { event ->
                         when (event) {
                             is PlayerEvents.NavigateBack -> finish()
+                            is PlayerEvents.IsPlayingChanged -> {
+                                if (appPreferences.playerPipGesture) {
+                                    setPictureInPictureParams(pipParams(event.isPlaying))
+                                }
+                            }
                         }
                     }
                 }
@@ -263,12 +268,16 @@ class PlayerActivity : BasePlayerActivity() {
     }
 
     override fun onUserLeaveHint() {
-        if (appPreferences.playerPipGesture && viewModel.player.isPlaying && !isControlsLocked) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S &&
+            appPreferences.playerPipGesture &&
+            viewModel.player.isPlaying &&
+            !isControlsLocked
+        ) {
             pictureInPicture()
         }
     }
 
-    private fun pipParams(): PictureInPictureParams {
+    private fun pipParams(enableAutoEnter: Boolean = viewModel.player.isPlaying): PictureInPictureParams {
         val displayAspectRatio = Rational(binding.playerView.width, binding.playerView.height)
 
         val aspectRatio = binding.playerView.player?.videoSize?.let {
@@ -296,26 +305,21 @@ class PlayerActivity : BasePlayerActivity() {
             )
         }
 
-        return PictureInPictureParams.Builder()
+        val builder = PictureInPictureParams.Builder()
             .setAspectRatio(aspectRatio)
             .setSourceRectHint(sourceRectHint)
-            .build()
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            builder.setAutoEnterEnabled(enableAutoEnter)
+        }
+
+        return builder.build()
     }
 
     private fun pictureInPicture() {
         if (!isPipSupported) {
             return
         }
-        binding.playerView.useController = false
-        binding.playerView.findViewById<Button>(R.id.btn_skip_intro).isVisible = false
-
-        wasZoom = playerGestureHelper!!.isZoomEnabled
-        playerGestureHelper?.updateZoomMode(false)
-
-        // Brightness mode Auto
-        window.attributes = window.attributes.apply {
-            screenBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE
-        }
 
         try {
             enterPictureInPictureMode(pipParams())
@@ -327,19 +331,33 @@ class PlayerActivity : BasePlayerActivity() {
         newConfig: Configuration,
     ) {
         super.onPictureInPictureModeChanged(isInPictureInPictureMode, newConfig)
-        if (!isInPictureInPictureMode) {
+        when (isInPictureInPictureMode) {
-            binding.playerView.useController = true
+            true -> {
-            playerGestureHelper?.updateZoomMode(wasZoom)
+                binding.playerView.useController = false
+                binding.playerView.findViewById<Button>(R.id.btn_skip_intro).isVisible = false
 
-            // Override auto brightness
+                wasZoom = playerGestureHelper?.isZoomEnabled ?: false
-            window.attributes = window.attributes.apply {
+                playerGestureHelper?.updateZoomMode(false)
-                screenBrightness = if (appPreferences.playerBrightnessRemember) {
+
-                    appPreferences.playerBrightness
+                // Brightness mode Auto
-                } else {
+                window.attributes = window.attributes.apply {
-                    Settings.System.getInt(
+                    screenBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE
-                        contentResolver,
+                }
-                        Settings.System.SCREEN_BRIGHTNESS,
+            }
-                    ).toFloat() / 255
+            false -> {
+                binding.playerView.useController = true
+                playerGestureHelper?.updateZoomMode(wasZoom)
+
+                // Override auto brightness
+                window.attributes = window.attributes.apply {
+                    screenBrightness = if (appPreferences.playerBrightnessRemember) {
+                        appPreferences.playerBrightness
+                    } else {
+                        Settings.System.getInt(
+                            contentResolver,
+                            Settings.System.SCREEN_BRIGHTNESS,
+                        ).toFloat() / 255
+                    }
                 }
             }
         }

player/video/src/main/java/dev/jdtech/jellyfin/viewmodels/PlayerActivityViewModel.kt

@@ -277,7 +277,7 @@ constructor(
                         } else {
                             item.name
                         }
-                        _uiState.update { it.copy(currentItemTitle = itemTitle) }
+                        _uiState.update { it.copy(currentItemTitle = itemTitle, fileLoaded = false) }
 
                         jellyfinRepository.postPlaybackStart(item.itemId)
 
@@ -366,8 +366,14 @@ constructor(
                 }
             }
     }
+
+    override fun onIsPlayingChanged(isPlaying: Boolean) {
+        super.onIsPlayingChanged(isPlaying)
+        eventsChannel.trySend(PlayerEvents.IsPlayingChanged(isPlaying))
+    }
 }
 
 sealed interface PlayerEvents {
     data object NavigateBack : PlayerEvents
+    data class IsPlayingChanged(val isPlaying: Boolean) : PlayerEvents
 }