From 193ba7af3fd82f98bb5db09f824e609081cb6518 Mon Sep 17 00:00:00 2001
From: derekxsun <derekxsun@tencent.com>
Date: Thu, 24 Nov 2022 20:53:06 +0800
Subject: [PATCH] update Picture-in-Picture for the App

---
 Emitron/Emitron/Support Files/Info.plist      |  4 ++++
 .../UI/Video/FullScreenVideoPlayer.swift      | 21 ++++++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/Emitron/Emitron/Support Files/Info.plist b/Emitron/Emitron/Support Files/Info.plist
index 28afe878..ebb421cd 100644
--- a/Emitron/Emitron/Support Files/Info.plist	
+++ b/Emitron/Emitron/Support Files/Info.plist	
@@ -171,6 +171,10 @@
 		<key>UIApplicationSupportsMultipleScenes</key>
 		<false/>
 	</dict>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>audio</string>
+	</array>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIRequiredDeviceCapabilities</key>
diff --git a/Emitron/Emitron/UI/Video/FullScreenVideoPlayer.swift b/Emitron/Emitron/UI/Video/FullScreenVideoPlayer.swift
index c88cd7a6..0deda2f3 100644
--- a/Emitron/Emitron/UI/Video/FullScreenVideoPlayer.swift
+++ b/Emitron/Emitron/UI/Video/FullScreenVideoPlayer.swift
@@ -86,7 +86,8 @@ extension FullScreenVideoPlayer: UIViewControllerRepresentable {
     private let model: VideoPlaybackViewModel
     private let handleDismissal: () -> Void
     private var playerIsPresented = false
-
+    private var isDuringPip = false
+    
     @available(*, unavailable) required init?(coder: NSCoder) {
       preconditionFailure("init(coder:) has not been implemented")
     }
@@ -124,6 +125,24 @@ extension FullScreenVideoPlayer.Presenter: AVPlayerViewControllerDelegate {
     willEndFullScreenPresentationWithAnimationCoordinator _: UIViewControllerTransitionCoordinator
   ) {
     model.stop()
+    print(isDuringPip)
+    if !isDuringPip {
+      handleDismissal()
+    }
+  }
+  
+  func playerViewController(_ playerViewController: AVPlayerViewController, restoreUserInterfaceForPictureInPictureStopWithCompletionHandler completionHandler: @escaping (Bool) -> Void) {
+    present(playerViewController, animated: false) {
+      completionHandler(true)
+    }
+  }
+  
+  func playerViewControllerWillStartPictureInPicture(_ playerViewController: AVPlayerViewController) {
+    isDuringPip = true
+  }
+  
+  func playerViewControllerWillStopPictureInPicture(_ playerViewController: AVPlayerViewController) {
+    isDuringPip = false
     handleDismissal()
   }
 }