159 lines
4.7 KiB
Swift
159 lines
4.7 KiB
Swift
import Foundation
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import Library
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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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@MainActor
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public struct ProfileShareButton<Label>: View where Label: View {
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private let alert: Binding<Alert?>
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private let profile: Profile
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private let label: () -> Label
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public init(_ alert: Binding<Alert?>, _ profile: Profile, label: @escaping () -> Label) {
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self.alert = alert
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self.profile = profile
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self.label = label
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}
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public var body: some View {
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#if os(iOS)
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if #available(iOS 17.4, *) {
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bodyCompat
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} else if #available(iOS 16.0, *) {
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ShareLink(item: profile, subject: Text(profile.name), preview: SharePreview("Share profile"), label: label)
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} else if UIDevice.current.userInterfaceIdiom != .pad {
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bodyCompat
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}
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#else
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bodyCompat
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#endif
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}
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private var bodyCompat: some View {
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ShareButtonCompat(alert, label: label) {
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try profile.toContent().generateShareFile()
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}
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}
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}
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public struct ShareButtonCompat<Label>: View where Label: View {
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private let label: () -> Label
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private let itemURL: () throws -> URL
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@Binding private var alert: Alert?
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#if os(macOS)
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@State private var sharePresented = false
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#endif
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public init(_ alert: Binding<Alert?>, @ViewBuilder label: @escaping () -> Label, itemURL: @escaping () throws -> URL) {
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_alert = alert
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self.label = label
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self.itemURL = itemURL
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}
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public var body: some View {
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Button(action: shareItem, label: label)
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.buttonStyle(.plain)
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#if os(macOS)
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.background(SharingServicePicker($sharePresented, $alert, itemURL))
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#endif
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}
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private func shareItem() {
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#if os(iOS)
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Task {
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await shareItemAsync()
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}
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#elseif os(macOS)
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sharePresented = true
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#endif
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}
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#if os(iOS)
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private nonisolated func shareItemAsync() async {
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do {
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let shareItem = try await itemURL()
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await MainActor.run {
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presentShareController(shareItem)
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}
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} catch {
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await MainActor.run {
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alert = Alert(error)
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}
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}
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}
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private func presentShareController(_ item: URL) {
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guard let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene,
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let rootViewController = windowScene.keyWindow?.rootViewController
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else {
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return
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}
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var topViewController = rootViewController
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while let presented = topViewController.presentedViewController {
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topViewController = presented
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}
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topViewController.present(
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UIActivityViewController(activityItems: [item], applicationActivities: nil),
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animated: true
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)
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}
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#endif
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}
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#if os(macOS)
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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 item: () throws -> URL
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init(_ isPresented: Binding<Bool>, _ alert: Binding<Alert?>, _ item: @escaping () throws -> URL) {
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_isPresented = isPresented
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_alert = alert
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self.item = item
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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: [item()])
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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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