wip

Author: davdroman

Sources/ViewTypes/Presentation.swift

@@ -0,0 +1,95 @@
+import SwiftUI
+
+/// An abstract representation of a presented view's type in SwiftUI.
+///
+/// ### iOS
+///
+/// ```swift
+/// struct ContentView: View {
+///     var body: some View {
+///         Presentation {
+///             Text("Item 1")
+///             Text("Item 2")
+///             Text("Item 3")
+///         }
+///         .introspect(.form, on: .iOS(.v13, .v14, .v15)) {
+///             print(type(of: $0)) // UITableView
+///         }
+///         .introspect(.form, on: .iOS(.v16, .v17)) {
+///             print(type(of: $0)) // UICollectionView
+///         }
+///     }
+/// }
+/// ```
+///
+/// ### tvOS
+///
+/// ```swift
+/// struct ContentView: View {
+///     var body: some View {
+///         Presentation {
+///             Text("Item 1")
+///             Text("Item 2")
+///             Text("Item 3")
+///         }
+///         .introspect(.form, on: .tvOS(.v13, .v14, .v15, .v16, .v17)) {
+///             print(type(of: $0)) // UITableView
+///         }
+///     }
+/// }
+/// ```
+///
+/// ### macOS
+///
+/// Not available.
+///
+public struct PresentationType: IntrospectableViewType {}
+
+#if os(iOS) || os(tvOS)
+extension IntrospectableViewType where Self == PresentationType {
+    public static var presentation: Self { .init() }
+}
+
+#if canImport(UIKit)
+extension iOSViewVersion<PresentationType, UIPresentationController> {
+    public static let v13 = Self(for: .v13, selector: selector)
+    public static let v14 = Self(for: .v14, selector: selector)
+    public static let v15 = Self(for: .v15, selector: selector)
+    public static let v16 = Self(for: .v16, selector: selector)
+    public static let v17 = Self(for: .v17, selector: selector)
+
+    private static var selector: IntrospectionSelector<UIPresentationController> {
+        .default.withAncestorSelector(\.presentationController)
+    }
+}
+
+extension tvOSViewVersion<PresentationType, UIPresentationController> {
+    public static let v13 = Self(for: .v13, selector: selector)
+    public static let v14 = Self(for: .v14, selector: selector)
+    public static let v15 = Self(for: .v15, selector: selector)
+    public static let v16 = Self(for: .v16, selector: selector)
+    public static let v17 = Self(for: .v17, selector: selector)
+
+    private static var selector: IntrospectionSelector<UIPresentationController> {
+        .default.withAncestorSelector(\.presentationController)
+    }
+}
+
+extension UIPresentationController: PlatformEntity {
+    @_spi(Internals)
+    public var ancestor: UIPresentationController? {
+        nil
+    }
+
+    @_spi(Internals)
+    public var descendants: [UIPresentationController] {
+        []
+    }
+
+    @_spi(Internals)
+    public func isDescendant(of other: UIPresentationController) -> Bool {
+        false
+    }
+}
+#endif
+#endif