refactor: use a dialog for playing video in fullscreen

app/src/main/java/com/github/libretube/helpers/WindowHelper.kt

@@ -1,15 +1,14 @@
 package com.github.libretube.helpers
 
-import android.app.Activity
 import android.os.Build
+import android.view.Window
 import android.view.WindowManager
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat
 import com.github.libretube.ui.extensions.toggleSystemBars
 
 object WindowHelper {
-    fun toggleFullscreen(activity: Activity, isFullscreen: Boolean) {
-        val window = activity.window
+    fun toggleFullscreen(window: Window, isFullscreen: Boolean) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             window.attributes.layoutInDisplayCutoutMode = if (isFullscreen) {
                 WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
@@ -30,7 +29,7 @@ object WindowHelper {
         // Show the system bars when it is not fullscreen and hide them when it is fullscreen
         // System bars means status bar and the navigation bar
         // See: https://developer.android.com/training/system-ui/immersive#kotlin
-        activity.toggleSystemBars(
+        window.toggleSystemBars(
             types = WindowInsetsCompat.Type.systemBars(),
             showBars = !isFullscreen
         )

app/src/main/java/com/github/libretube/ui/activities/MainActivity.kt

@@ -486,8 +486,8 @@ class MainActivity : BaseActivity() {
         super.onConfigurationChanged(newConfig)
 
         when (newConfig.orientation) {
-            Configuration.ORIENTATION_PORTRAIT -> WindowHelper.toggleFullscreen(this, false)
-            Configuration.ORIENTATION_LANDSCAPE -> WindowHelper.toggleFullscreen(this, true)
+            Configuration.ORIENTATION_PORTRAIT -> WindowHelper.toggleFullscreen(window, false)
+            Configuration.ORIENTATION_LANDSCAPE -> WindowHelper.toggleFullscreen(window, true)
         }
     }
 

app/src/main/java/com/github/libretube/ui/activities/OfflinePlayerActivity.kt

@@ -54,7 +54,7 @@ class OfflinePlayerActivity : BaseActivity() {
     private val playerViewModel: PlayerViewModel by viewModels()
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        WindowHelper.toggleFullscreen(this, true)
+        WindowHelper.toggleFullscreen(window, true)
 
         requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
 

app/src/main/java/com/github/libretube/ui/extensions/Activity.kt

@@ -1,12 +1,12 @@
 package com.github.libretube.ui.extensions
 
-import android.app.Activity
+import android.view.Window
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsCompat.Type.InsetsType
 import androidx.core.view.WindowInsetsControllerCompat
 
-fun Activity.toggleSystemBars(@InsetsType types: Int, showBars: Boolean) {
-    WindowCompat.getInsetsController(window, window.decorView).apply {
+fun Window.toggleSystemBars(@InsetsType types: Int, showBars: Boolean) {
+    WindowCompat.getInsetsController(this, decorView).apply {
         systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
         if (showBars) {
             show(types)

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

@@ -1,6 +1,7 @@
 package com.github.libretube.ui.fragments
 
 import android.annotation.SuppressLint
+import android.app.Dialog
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
@@ -18,6 +19,7 @@ import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.ViewGroup.LayoutParams
 import android.widget.Toast
 import androidx.constraintlayout.motion.widget.MotionLayout
 import androidx.constraintlayout.motion.widget.TransitionAdapter
@@ -29,6 +31,7 @@ import androidx.core.net.toUri
 import androidx.core.os.bundleOf
 import androidx.core.os.postDelayed
 import androidx.core.view.WindowCompat
+import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.isGone
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
@@ -89,6 +92,7 @@ import com.github.libretube.helpers.PlayerHelper.getVideoStats
 import com.github.libretube.helpers.PlayerHelper.isInSegment
 import com.github.libretube.helpers.PreferenceHelper
 import com.github.libretube.helpers.ProxyHelper
+import com.github.libretube.helpers.WindowHelper
 import com.github.libretube.obj.PlayerNotificationData
 import com.github.libretube.obj.ShareData
 import com.github.libretube.obj.VideoResolution
@@ -100,6 +104,7 @@ import com.github.libretube.ui.dialogs.AddToPlaylistDialog
 import com.github.libretube.ui.dialogs.DownloadDialog
 import com.github.libretube.ui.dialogs.ShareDialog
 import com.github.libretube.ui.extensions.setupSubscriptionButton
+import com.github.libretube.ui.extensions.toggleSystemBars
 import com.github.libretube.ui.interfaces.OnlinePlayerOptions
 import com.github.libretube.ui.listeners.SeekbarPreviewListener
 import com.github.libretube.ui.models.CommentsViewModel
@@ -193,6 +198,15 @@ class PlayerFragment : Fragment(), OnlinePlayerOptions {
     private var scrubbingTimeBar = false
     private var chaptersBottomSheet: ChaptersBottomSheet? = null
 
+    private val fullscreenDialog by lazy {
+        object: Dialog(requireContext(), android.R.style.Theme_Black_NoTitleBar_Fullscreen) {
+            override fun onBackPressed() {
+                super.onBackPressed()
+                unsetFullscreen()
+            }
+        }
+    }
+
     /**
      * Receiver for all actions in the PiP mode
      */
@@ -513,13 +527,6 @@ class PlayerFragment : Fragment(), OnlinePlayerOptions {
         // set status bar icon color to white
         windowInsetsControllerCompat.isAppearanceLightStatusBars = false
 
-        binding.mainContainer.isClickable = true
-        binding.linLayout.isGone = true
-
-        binding.player.updateLayoutParams<ConstraintLayout.LayoutParams> {
-            endToEnd = binding.playerMotionLayout.id
-        }
-
         if (mainActivity.screenOrientationPref == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT) {
             val height = streams.videoStreams.firstOrNull()?.height ?: exoPlayer.videoSize.height
             val width = streams.videoStreams.firstOrNull()?.width ?: exoPlayer.videoSize.width
@@ -534,11 +541,16 @@ class PlayerFragment : Fragment(), OnlinePlayerOptions {
         viewModel.isFullscreen.value = true
 
         updateResolutionOnFullscreenChange(true)
+
+        val playerView = binding.player
+        (binding.player.parent as ViewGroup).removeView(playerView)
+        fullscreenDialog.addContentView(binding.player, LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT))
+        fullscreenDialog.show()
+        WindowHelper.toggleFullscreen(fullscreenDialog.window!!, true)
     }
 
     @SuppressLint("SourceLockedOrientationActivity")
     fun unsetFullscreen() {
-        // leave fullscreen mode
         with(binding.playerMotionLayout) {
             getConstraintSet(R.id.start).constrainHeight(R.id.player, 0)
             enableTransition(R.id.yt_transition, true)
@@ -552,10 +564,6 @@ class PlayerFragment : Fragment(), OnlinePlayerOptions {
                 else -> true
             }
 
-        binding.mainContainer.isClickable = false
-        binding.linLayout.isVisible = true
-        binding.relatedContainer?.isVisible = true
-
         if (mainActivity.screenOrientationPref == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT) {
             mainActivity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
         }
@@ -565,6 +573,11 @@ class PlayerFragment : Fragment(), OnlinePlayerOptions {
 
         viewModel.isFullscreen.value = false
         updateResolutionOnFullscreenChange(false)
+
+        val playerView = binding.player
+        (playerView.parent as ViewGroup).removeView(playerView)
+        binding.playerMotionLayout.addView(playerView)
+        fullscreenDialog.dismiss()
     }
 
     override fun onPause() {

app/src/main/java/com/github/libretube/ui/views/CustomExoPlayerView.kt

@@ -144,7 +144,7 @@ open class CustomExoPlayerView(
             // change locked status
             isPlayerLocked = !isPlayerLocked
 
-            activity.toggleSystemBars(
+            activity.window.toggleSystemBars(
                 types = WindowInsetsCompat.Type.statusBars(),
                 showBars = !isPlayerLocked
             )

app/src/main/java/com/github/libretube/ui/views/OfflinePlayerView.kt

@@ -13,13 +13,13 @@ class OfflinePlayerView(
     override fun hideController() {
         super.hideController()
         // hide the status bars when continuing to watch video
-        activity.toggleSystemBars(WindowInsetsCompat.Type.systemBars(), false)
+        activity.window.toggleSystemBars(WindowInsetsCompat.Type.systemBars(), false)
     }
 
     override fun showController() {
         super.showController()
         // show status bar when showing player options
-        activity.toggleSystemBars(WindowInsetsCompat.Type.statusBars(), true)
+        activity.window.toggleSystemBars(WindowInsetsCompat.Type.statusBars(), true)
     }
 
     override fun getTopBarMarginDp(): Int {

app/src/main/java/com/github/libretube/ui/views/OnlinePlayerView.kt

@@ -145,7 +145,7 @@ class OnlinePlayerView(
         this.playerOptions = playerOptions
 
         playerViewModel.isFullscreen.observe(viewLifecycleOwner) { isFullscreen ->
-            WindowHelper.toggleFullscreen(activity, isFullscreen)
+            WindowHelper.toggleFullscreen(activity.window, isFullscreen)
             updateTopBarMargin()
         }
 
@@ -154,7 +154,7 @@ class OnlinePlayerView(
                 playerViewModel.isFullscreen.value?.let { isFullscreen ->
                     if (!isFullscreen) return@let
                     // Show status bar only not navigation bar if the player controls are visible and hide it otherwise
-                    activity.toggleSystemBars(
+                    activity.window.toggleSystemBars(
                         types = WindowInsetsCompat.Type.statusBars(),
                         showBars = visibility == View.VISIBLE && !isPlayerLocked
                     )
@@ -189,7 +189,7 @@ class OnlinePlayerView(
         super.hideController()
 
         if (playerViewModel?.isFullscreen?.value == true) {
-            WindowHelper.toggleFullscreen(activity, true)
+            WindowHelper.toggleFullscreen(activity.window, true)
         }
         updateTopBarMargin()
     }