Add Now Playing info center updates

Shared/Navigation/ContentView.swift

@@ -1,5 +1,6 @@
 import AVFAudio
 import Defaults
+import MediaPlayer
 import SDWebImage
 import SDWebImagePINPlugin
 import SDWebImageWebPCoder
@@ -107,7 +108,7 @@ struct ContentView: View {
         SDImageCodersManager.shared.addCoder(SDImageWebPCoder.shared)
         SDWebImageManager.defaultImageCache = PINCache(name: "stream.yattee.app")
         #if !os(macOS)
-            try? AVAudioSession.sharedInstance().setCategory(.playback, mode: .moviePlayback)
+            setupNowPlayingInfoCenter()
         #endif
 
         #if os(iOS)
@@ -164,6 +165,54 @@ struct ContentView: View {
         playlists.load()
     }
 
+    func setupNowPlayingInfoCenter() {
+        try? AVAudioSession.sharedInstance().setCategory(.playback, mode: .moviePlayback)
+
+        UIApplication.shared.beginReceivingRemoteControlEvents()
+
+        MPRemoteCommandCenter.shared().playCommand.addTarget { _ in
+            player.play()
+            return .success
+        }
+
+        MPRemoteCommandCenter.shared().pauseCommand.addTarget { _ in
+            player.pause()
+            return .success
+        }
+
+        MPRemoteCommandCenter.shared().previousTrackCommand.isEnabled = false
+        MPRemoteCommandCenter.shared().nextTrackCommand.isEnabled = false
+
+        MPRemoteCommandCenter.shared().changePlaybackPositionCommand.addTarget { remoteEvent in
+            guard let event = remoteEvent as? MPChangePlaybackPositionCommandEvent
+            else {
+                return .commandFailed
+            }
+
+            player.backend.seek(to: event.positionTime)
+
+            return .success
+        }
+
+        let skipForwardCommand = MPRemoteCommandCenter.shared().skipForwardCommand
+        skipForwardCommand.isEnabled = true
+        skipForwardCommand.preferredIntervals = [10]
+
+        skipForwardCommand.addTarget { _ in
+            player.backend.seek(relative: .secondsInDefaultTimescale(10))
+            return .success
+        }
+
+        let skipBackwardCommand = MPRemoteCommandCenter.shared().skipBackwardCommand
+        skipBackwardCommand.isEnabled = true
+        skipBackwardCommand.preferredIntervals = [10]
+
+        skipBackwardCommand.addTarget { _ in
+            player.backend.seek(relative: .secondsInDefaultTimescale(-10))
+            return .success
+        }
+    }
+
     func openWelcomeScreenIfAccountEmpty() {
         guard Defaults[.instances].isEmpty else {
             return