Set AVAudioSession, disable screensaver during playback on macOS

Model/Player/PlayerModel.swift

@@ -47,11 +47,19 @@ final class PlayerModel: ObservableObject {
     private var shouldResumePlaying = true
     private var statusObservation: NSKeyValueObservation?
 
+    #if os(macOS)
+        var playerTimeControlStatusObserver: Any?
+    #endif
+
     init(accounts: AccountsModel? = nil, instances: InstancesModel? = nil) {
         self.accounts = accounts ?? AccountsModel()
         self.instances = instances ?? InstancesModel()
         addItemDidPlayToEndTimeObserver()
         addTimeObserver()
+
+        #if os(macOS)
+            addPlayerTimeControlStatusObserver()
+        #endif
     }
 
     func presentPlayer() {
@@ -123,6 +131,9 @@ final class PlayerModel: ObservableObject {
         of video: Video,
         preservingTime: Bool = false
     ) {
+        #if !os(macOS)
+            try? AVAudioSession.sharedInstance().setActive(false)
+        #endif
         resetSegments()
         sponsorBlock.loadSegments(videoID: video.videoID)
 
@@ -172,6 +183,10 @@ final class PlayerModel: ObservableObject {
         }
 
         let startPlaying = {
+            #if !os(macOS)
+                try? AVAudioSession.sharedInstance().setActive(true)
+            #endif
+
             DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
                 self.play()
             }
@@ -302,6 +317,10 @@ final class PlayerModel: ObservableObject {
     }
 
     @objc func itemDidPlayToEndTime() {
+        #if !os(macOS)
+            try? AVAudioSession.sharedInstance().setActive(false)
+        #endif
+
         if queue.isEmpty {
             addCurrentItemToHistory()
             resetQueue()
@@ -360,4 +379,19 @@ final class PlayerModel: ObservableObject {
             self.handleSegments(at: time)
         }
     }
+
+    #if os(macOS)
+        private func addPlayerTimeControlStatusObserver() {
+            playerTimeControlStatusObserver = player.observe(\.timeControlStatus) { player, _ in
+                guard self.player == player else {
+                    return
+                }
+                if player.timeControlStatus == .playing {
+                    ScreenSaverManager.shared.disable(reason: "Yattee is playing video")
+                } else {
+                    ScreenSaverManager.shared.enable()
+                }
+            }
+        }
+    #endif
 }

Model/Player/ScreenSaverManager.swift

@@ -0,0 +1,34 @@
+import Foundation
+import IOKit.pwr_mgt
+
+struct ScreenSaverManager {
+    static var shared = ScreenSaverManager()
+
+    var noSleepAssertion: IOPMAssertionID = 0
+    var noSleepReturn: IOReturn?
+
+    var enabled: Bool {
+        noSleepReturn == nil
+    }
+
+    @discardableResult mutating func disable(reason: String = "Unknown reason") -> Bool {
+        guard enabled else {
+            return false
+        }
+
+        noSleepReturn = IOPMAssertionCreateWithName(kIOPMAssertionTypeNoDisplaySleep as CFString,
+                                                    IOPMAssertionLevel(kIOPMAssertionLevelOn),
+                                                    reason as CFString,
+                                                    &noSleepAssertion)
+        return noSleepReturn == kIOReturnSuccess
+    }
+
+    @discardableResult mutating func enable() -> Bool {
+        if noSleepReturn != nil {
+            _ = IOPMAssertionRelease(noSleepAssertion) == kIOReturnSuccess
+            noSleepReturn = nil
+            return true
+        }
+        return false
+    }
+}

Pearvidious.xcodeproj/project.pbxproj

@@ -301,6 +301,7 @@
 		37BE0BD726A1D4A90092E2DB /* PlayerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 37BE0BD526A1D4A90092E2DB /* PlayerViewController.swift */; };
 		37BE0BDA26A214630092E2DB /* PlayerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 37BE0BD926A214630092E2DB /* PlayerViewController.swift */; };
 		37BE0BDC26A2367F0092E2DB /* Player.swift in Sources */ = {isa = PBXBuildFile; fileRef = 37BE0BDB26A2367F0092E2DB /* Player.swift */; };
+		37C069782725962F00F7F6CB /* ScreenSaverManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 37C069772725962F00F7F6CB /* ScreenSaverManager.swift */; };
 		37C194C726F6A9C8005D3B96 /* RecentsModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 37C194C626F6A9C8005D3B96 /* RecentsModel.swift */; };
 		37C194C826F6A9C8005D3B96 /* RecentsModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 37C194C626F6A9C8005D3B96 /* RecentsModel.swift */; };
 		37C3A241272359900087A57A /* Double+Format.swift in Sources */ = {isa = PBXBuildFile; fileRef = 37C3A240272359900087A57A /* Double+Format.swift */; };
@@ -575,6 +576,7 @@
 		37BE0BD526A1D4A90092E2DB /* PlayerViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PlayerViewController.swift; sourceTree = "<group>"; };
 		37BE0BD926A214630092E2DB /* PlayerViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PlayerViewController.swift; sourceTree = "<group>"; };
 		37BE0BDB26A2367F0092E2DB /* Player.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Player.swift; sourceTree = "<group>"; };
+		37C069772725962F00F7F6CB /* ScreenSaverManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScreenSaverManager.swift; sourceTree = "<group>"; };
 		37C194C626F6A9C8005D3B96 /* RecentsModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RecentsModel.swift; sourceTree = "<group>"; };
 		37C3A240272359900087A57A /* Double+Format.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Double+Format.swift"; sourceTree = "<group>"; };
 		37C3A24427235DA70087A57A /* ChannelPlaylist.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ChannelPlaylist.swift; sourceTree = "<group>"; };
@@ -815,6 +817,7 @@
 				374C053E272472C0009BDDBE /* PlayerSegments.swift */,
 				37DD87C6271C9CFE0027CBF9 /* PlayerStreams.swift */,
 				374C053A2724614F009BDDBE /* PlayerTVMenu.swift */,
+				37C069772725962F00F7F6CB /* ScreenSaverManager.swift */,
 			);
 			path = Player;
 			sourceTree = "<group>";
@@ -1777,6 +1780,7 @@
 				3797758C2689345500DD52A8 /* Store.swift in Sources */,
 				37141674267A8E10006CA35D /* Country.swift in Sources */,
 				37FD43E42704847C0073EE42 /* View+Fixtures.swift in Sources */,
+				37C069782725962F00F7F6CB /* ScreenSaverManager.swift in Sources */,
 				37AAF2A126741C97007FC770 /* SubscriptionsView.swift in Sources */,
 				37732FF12703A26300F04329 /* AccountValidationStatus.swift in Sources */,
 				37BA794C26DC30EC002A0235 /* AppSidebarPlaylists.swift in Sources */,

Shared/Navigation/ContentView.swift

@@ -1,3 +1,4 @@
+import AVFAudio
 import Defaults
 import SDWebImage
 import SDWebImagePINPlugin
@@ -91,6 +92,9 @@ struct ContentView: View {
         SiestaLog.Category.enabled = .common
         SDImageCodersManager.shared.addCoder(SDImageWebPCoder.shared)
         SDWebImageManager.defaultImageCache = PINCache(name: "net.yattee.app")
+        #if !os(macOS)
+            try? AVAudioSession.sharedInstance().setCategory(.playback, mode: .moviePlayback)
+        #endif
 
         if let account = accounts.lastUsed ??
             instances.lastUsed?.anonymousAccount ??

Shared/Player/PlayerViewController.swift

@@ -11,9 +11,6 @@ final class PlayerViewController: UIViewController {
         super.viewWillAppear(animated)
 
         loadPlayer()
-
-        try? AVAudioSession.sharedInstance().setCategory(.playback, mode: .moviePlayback)
-        try? AVAudioSession.sharedInstance().setActive(true)
     }
 
     func loadPlayer() {

macOS/AppDelegate.swift

@@ -5,4 +5,8 @@ final class AppDelegate: NSObject, NSApplicationDelegate {
     func applicationShouldTerminateAfterLastWindowClosed(_: NSApplication) -> Bool {
         true
     }
+
+    func applicationWillTerminate(_: Notification) {
+        ScreenSaverManager.shared.enable()
+    }
 }