98 lines
3.0 KiB
Swift
98 lines
3.0 KiB
Swift
import Foundation
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import SwiftUI
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#if canImport(UIKit)
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import UIKit
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#elseif canImport(AppKit)
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import AppKit
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#endif
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public struct ShareButton<Label>: View where Label: View {
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private let items: () throws -> [Any]
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private let label: Label
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@Binding private var alert: Alert?
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public init(_ alert: Binding<Alert?>, @ViewBuilder label: () -> Label, items: @escaping () throws -> [Any]) {
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_alert = alert
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self.items = items
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self.label = label()
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}
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#if canImport(AppKit)
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@State private var sharePresented = false
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#endif
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public var body: some View {
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Button {
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#if os(iOS)
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do {
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if let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene {
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try windowScene.keyWindow?.rootViewController?.present(UIActivityViewController(activityItems: items(), applicationActivities: nil), animated: true, completion: nil)
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}
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} catch {
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alert = Alert(error)
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}
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#elseif canImport(AppKit)
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sharePresented = true
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#endif
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} label: {
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label
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}
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#if canImport(AppKit)
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.background(SharingServicePicker($sharePresented, $alert, items))
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#endif
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}
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private func shareItems() {}
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}
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#if canImport(AppKit)
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private struct SharingServicePicker: NSViewRepresentable {
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@Binding private var isPresented: Bool
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@Binding private var alert: Alert?
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private let items: () throws -> [Any]
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init(_ isPresented: Binding<Bool>, _ alert: Binding<Alert?>, _ items: @escaping () throws -> [Any]) {
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_isPresented = isPresented
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_alert = alert
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self.items = items
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}
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func makeNSView(context _: Context) -> NSView {
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let view = NSView()
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return view
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}
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func updateNSView(_ nsView: NSView, context: Context) {
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if isPresented {
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do {
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let picker = try NSSharingServicePicker(items: items())
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picker.delegate = context.coordinator
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DispatchQueue.main.async {
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picker.show(relativeTo: .zero, of: nsView, preferredEdge: .minY)
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}
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} catch {
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alert = Alert(error)
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}
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}
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}
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func makeCoordinator() -> Coordinator {
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Coordinator(self)
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}
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class Coordinator: NSObject, NSSharingServicePickerDelegate {
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private let parent: SharingServicePicker
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init(_ parent: SharingServicePicker) {
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self.parent = parent
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}
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func sharingServicePicker(_ sharingServicePicker: NSSharingServicePicker, didChoose _: NSSharingService?) {
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sharingServicePicker.delegate = nil
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parent.isPresented = false
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}
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}
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}
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#endif
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