Yattee v2 rewrite

Yattee/Models/PlayerControls/DeviceClass.swift

@@ -0,0 +1,48 @@
+//
+//  DeviceClass.swift
+//  Yattee
+//
+//  Device class for platform-specific layout sync.
+//
+
+import Foundation
+
+/// Device class used for platform-specific layout sync.
+/// Layouts only sync between devices of the same class.
+enum DeviceClass: String, Codable, Hashable, Sendable {
+    /// iPhone and iPad share iOS class.
+    case iOS
+
+    /// macOS devices.
+    case macOS
+
+    /// Apple TV devices.
+    case tvOS
+
+    // MARK: - Current Device
+
+    /// The device class for the current platform.
+    static var current: DeviceClass {
+        #if os(iOS)
+        return .iOS
+        #elseif os(macOS)
+        return .macOS
+        #elseif os(tvOS)
+        return .tvOS
+        #endif
+    }
+
+    // MARK: - Display
+
+    /// Localized display name for the device class.
+    var displayName: String {
+        switch self {
+        case .iOS:
+            return "iOS"
+        case .macOS:
+            return "macOS"
+        case .tvOS:
+            return "tvOS"
+        }
+    }
+}