Add profile sharing

2023-07-30 14:13:57 +08:00
parent 27ffee06e2
commit 2ca6c515b9
25 changed files with 675 additions and 123 deletions
@@ -0,0 +1,97 @@
+import Foundation
+import SwiftUI
+#if canImport(UIKit)
+    import UIKit
+#elseif canImport(AppKit)
+    import AppKit
+#endif
+
+public struct ShareButton<Label>: View where Label: View {
+    private let items: () throws -> [Any]
+    private let label: Label
+    @Binding private var alert: Alert?
+
+    public init(_ alert: Binding<Alert?>, @ViewBuilder label: () -> Label, items: @escaping () throws -> [Any]) {
+        _alert = alert
+        self.items = items
+        self.label = label()
+    }
+
+    #if canImport(AppKit)
+        @State private var sharePresented = false
+    #endif
+
+    public var body: some View {
+        Button {
+            #if os(iOS)
+                do {
+                    if let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene {
+                        try windowScene.keyWindow?.rootViewController?.present(UIActivityViewController(activityItems: items(), applicationActivities: nil), animated: true, completion: nil)
+                    }
+                } catch {
+                    alert = Alert(error)
+                }
+            #elseif canImport(AppKit)
+                sharePresented = true
+            #endif
+        } label: {
+            label
+        }
+        #if canImport(AppKit)
+        .background(SharingServicePicker($sharePresented, $alert, items))
+        #endif
+    }
+
+    private func shareItems() {}
+}
+
+#if canImport(AppKit)
+    private struct SharingServicePicker: NSViewRepresentable {
+        @Binding private var isPresented: Bool
+        @Binding private var alert: Alert?
+        private let items: () throws -> [Any]
+
+        init(_ isPresented: Binding<Bool>, _ alert: Binding<Alert?>, _ items: @escaping () throws -> [Any]) {
+            _isPresented = isPresented
+            _alert = alert
+            self.items = items
+        }
+
+        func makeNSView(context _: Context) -> NSView {
+            let view = NSView()
+            return view
+        }
+
+        func updateNSView(_ nsView: NSView, context: Context) {
+            if isPresented {
+                do {
+                    let picker = try NSSharingServicePicker(items: items())
+                    picker.delegate = context.coordinator
+                    DispatchQueue.main.async {
+                        picker.show(relativeTo: .zero, of: nsView, preferredEdge: .minY)
+                    }
+                } catch {
+                    alert = Alert(error)
+                }
+            }
+        }
+
+        func makeCoordinator() -> Coordinator {
+            Coordinator(self)
+        }
+
+        class Coordinator: NSObject, NSSharingServicePickerDelegate {
+            private let parent: SharingServicePicker
+
+            init(_ parent: SharingServicePicker) {
+                self.parent = parent
+            }
+
+            func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker, didChoose _: NSSharingService?) {
+                sharingServicePicker.delegate = nil
+                parent.isPresented = false
+            }
+        }
+    }
+
+#endif