Listing styles

Shared/EnvironmentValues.swift

@@ -1,3 +1,4 @@
+import Defaults
 import Foundation
 import SwiftUI
 
@@ -21,6 +22,24 @@ private struct NavigationStyleKey: EnvironmentKey {
     static let defaultValue = NavigationStyle.tab
 }
 
+private struct ListingStyleKey: EnvironmentKey {
+    static let defaultValue = ListingStyle.cells
+}
+
+enum ListingStyle: String, CaseIterable, Defaults.Serializable {
+    case cells
+    case list
+
+    var systemImage: String {
+        switch self {
+        case .cells:
+            return "rectangle.grid.2x2"
+        case .list:
+            return "list.dash"
+        }
+    }
+}
+
 private struct CurrentPlaylistID: EnvironmentKey {
     static let defaultValue: String? = nil
 }
@@ -70,4 +89,9 @@ extension EnvironmentValues {
         get { self[ScrollViewBottomPaddingKey.self] }
         set { self[ScrollViewBottomPaddingKey.self] = newValue }
     }
+
+    var listingStyle: ListingStyle {
+        get { self[ListingStyleKey.self] }
+        set { self[ListingStyleKey.self] = newValue }
+    }
 }