Implement pip

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

@@ -268,12 +268,7 @@ class OmniPlayerService : MediaSessionService() {
     lateinit var player: Player
     lateinit var mediaSession: MediaSession
 
-    init {
-        Log.e("omni", "service inited")
-    }
-
     override fun onCreate() {
-        Log.e("omni", "service created")
         super.onCreate()
         player = OmniPlayer.notificationPlayer ?: throw Error("No player available")
         val launchIntent = packageManager.getLaunchIntentForPackage(packageName)?.apply {

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

@@ -1,15 +1,42 @@
 package dev.zoriya.omni
 
+import android.app.PictureInPictureParams
+import android.os.Build
 import android.util.Log
+import android.util.Rational
 import android.view.SurfaceHolder
 import android.view.SurfaceView
+import android.view.View
+import android.view.ViewGroup
 import android.widget.FrameLayout
+import androidx.core.view.isVisible
+import com.facebook.react.bridge.LifecycleEventListener
 import com.facebook.react.uimanager.ThemedReactContext
 import com.margelo.nitro.omni.HybridOmniPlayerSpec
 import com.margelo.nitro.omni.HybridOmniViewSpec
 
-class OmniView(val context: ThemedReactContext) : HybridOmniViewSpec(), SurfaceHolder.Callback {
-    override val view = FrameLayout(context)
+class OmniView(val context: ThemedReactContext) :
+    HybridOmniViewSpec(),
+    SurfaceHolder.Callback,
+    LifecycleEventListener {
+    override val view = object : FrameLayout(context) {
+        // React Native manages layout via Yoga and swallows requestLayout() calls from native
+        // views. When children are added/removed (e.g. during PIP transitions), addView triggers
+        // requestLayout() but it never results in a measure+layout pass. Override to force one.
+        // see: https://github.com/facebook/react-native/blob/d19afc73f5048f81656d0b4424232ce6d69a6368/ReactAndroid/src/main/java/com/facebook/react/views/toolbar/ReactToolbar.java#L166
+        private val layoutRunnable = Runnable {
+            measure(
+                MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
+                MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)
+            )
+            layout(left, top, right, bottom)
+        }
+
+        override fun requestLayout() {
+            super.requestLayout()
+            post(layoutRunnable)
+        }
+    }
 
     private val surfaceView = SurfaceView(context).apply {
         layoutParams = FrameLayout.LayoutParams(
@@ -21,11 +48,18 @@ class OmniView(val context: ThemedReactContext) : HybridOmniViewSpec(), SurfaceH
     }
     private var surfaceReady = false
     private var boundPlayer: OmniPlayer? = null
+    private var rootContent: ViewGroup? = null
+    private var rootContentViews: List<View> = emptyList()
+    private var movedSurfaceToRootForPip = false
 
     override lateinit var player: HybridOmniPlayerSpec
     override var autoplay: Boolean? = true
     override var autoPip: Boolean? = true
 
+    init {
+        context.addLifecycleEventListener(this)
+    }
+
     override fun afterUpdate() {
         Log.e("omniView", "After update called")
         if (!::player.isInitialized) {
@@ -51,6 +85,9 @@ class OmniView(val context: ThemedReactContext) : HybridOmniViewSpec(), SurfaceH
     }
 
     override fun onDropView() {
+        restoreUiAfterPip()
+        context.removeLifecycleEventListener(this)
+
         if (!::player.isInitialized) return
 
         val omniPlayer = player as? OmniPlayer ?: return
@@ -58,6 +95,95 @@ class OmniView(val context: ThemedReactContext) : HybridOmniViewSpec(), SurfaceH
         boundPlayer = null
     }
 
+    override fun onHostResume() {
+        Log.e("omni", "resume")
+        restoreUiAfterPip()
+    }
+
+    override fun onHostPause() {
+        Log.e("omni", "pause")
+        if (autoPip != true) {
+            return
+        }
+
+        val activity = context.currentActivity ?: return
+        if (activity.isFinishing || activity.isDestroyed || activity.isInPictureInPictureMode) {
+            return
+        }
+
+        val omniPlayer = boundPlayer ?: return
+        if (!omniPlayer.isPlaying) {
+            return
+        }
+
+        val aspectRatio = if (surfaceView.width > 0 && surfaceView.height > 0) {
+            Rational(surfaceView.width, surfaceView.height)
+        } else {
+            Rational(16, 9)
+        }
+
+        val params = PictureInPictureParams.Builder()
+            .setAspectRatio(aspectRatio)
+            .build()
+        isolateUiForPip(activity)
+        val enteredPip = activity.enterPictureInPictureMode(params)
+        if (!enteredPip) {
+            restoreUiAfterPip()
+        }
+    }
+
+    override fun onHostDestroy() {
+        restoreUiAfterPip()
+    }
+
+    private fun isolateUiForPip(activity: android.app.Activity) {
+        if (movedSurfaceToRootForPip) {
+            return
+        }
+
+        val root = activity.window.decorView.findViewById<ViewGroup>(android.R.id.content) ?: return
+        rootContent = root
+
+        rootContentViews = (0 until root.childCount)
+            .map { root.getChildAt(it) }
+            .filter { child -> child.isVisible }
+        rootContentViews.forEach { child ->
+            child.visibility = View.GONE
+        }
+
+        view.removeView(surfaceView)
+        root.addView(
+            surfaceView,
+            FrameLayout.LayoutParams(
+                FrameLayout.LayoutParams.MATCH_PARENT,
+                FrameLayout.LayoutParams.MATCH_PARENT
+            )
+        )
+        movedSurfaceToRootForPip = true
+    }
+
+    private fun restoreUiAfterPip() {
+        if (!movedSurfaceToRootForPip) {
+            return
+        }
+
+        val root = rootContent ?: return
+        root.removeView(surfaceView)
+        rootContent = null
+
+        rootContentViews.forEach { child ->
+            child.visibility = View.VISIBLE
+        }
+        rootContentViews = emptyList()
+
+        view.addView(surfaceView, FrameLayout.LayoutParams(
+            FrameLayout.LayoutParams.MATCH_PARENT,
+            FrameLayout.LayoutParams.MATCH_PARENT
+        ))
+
+        movedSurfaceToRootForPip = false
+    }
+
     override fun surfaceCreated(holder: SurfaceHolder) {
         surfaceReady = true
         boundPlayer?.setSurface(holder)

example/android/app/src/main/AndroidManifest.xml

@@ -16,6 +16,8 @@
         android:label="@string/app_name"
         android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode"
         android:launchMode="singleTask"
+        android:resizeableActivity="true"
+        android:supportsPictureInPicture="true"
         android:windowSoftInputMode="adjustResize"
         android:exported="true">
         <intent-filter>