| 1 | import SwiftUI |
| 2 | |
| 3 | /// "Join a call as a guest": paste the invite link you were sent, and |
| 4 | /// that meeting's own browser sign-in runs for it, on whatever server the |
| 5 | /// link names. Nothing about it is kept. |
| 6 | /// |
| 7 | /// The clipboard is read only through the Paste control, so iPhone never |
| 8 | /// asks whether Calls may paste, and nothing is read that the person did |
| 9 | /// not hand over. |
| 10 | @MainActor public struct GuestJoinView: View { |
| 11 | @ObservedObject private var model: CallsModel |
| 12 | private let done: () -> Void |
| 13 | @State private var link: String |
| 14 | @State private var problem: String = "" |
| 15 | |
| 16 | /// `problem` shows the link's validation at once — for snapshots of |
| 17 | /// the inline error. |
| 18 | public init( |
| 19 | model: CallsModel, link: String = "", problem: Bool = false, done: @escaping () -> Void |
| 20 | ) { |
| 21 | self.model = model |
| 22 | self.done = done |
| 23 | _link = State(initialValue: link) |
| 24 | var message = "" |
| 25 | if problem, case .failure(let failure) = MeetingLink.validate(link) { |
| 26 | message = failure.message |
| 27 | } |
| 28 | _problem = State(initialValue: message) |
| 29 | } |
| 30 | |
| 31 | public var body: some View { |
| 32 | NavigationStack { |
| 33 | Form { |
| 34 | Section { |
| 35 | TextField("Invite link", text: $link, prompt: Text("https://…/j/…")) |
| 36 | .accessibilityIdentifier("inviteLink") |
| 37 | #if os(iOS) |
| 38 | .keyboardType(.URL).textInputAutocapitalization(.never).autocorrectionDisabled() |
| 39 | #endif |
| 40 | .onSubmit(join) |
| 41 | .onChange(of: link) { problem = "" } |
| 42 | PasteButton(payloadType: String.self) { strings in |
| 43 | guard let text = strings.first else { return } |
| 44 | Task { @MainActor in paste(text) } |
| 45 | } |
| 46 | .accessibilityIdentifier("pasteInvite") |
| 47 | if !problem.isEmpty { |
| 48 | Label(problem, systemImage: "exclamationmark.circle.fill") |
| 49 | .foregroundStyle(.red).fixedSize(horizontal: false, vertical: true) |
| 50 | .accessibilityLabel("Error: \(problem)") |
| 51 | } |
| 52 | } footer: { |
| 53 | Text( |
| 54 | "Paste the link someone sent you. Your browser opens to confirm who you are for this meeting; nothing is saved on this device, and your Calls server stays \(model.serverHost)." |
| 55 | ) |
| 56 | } |
| 57 | } |
| 58 | .formStyle(.grouped) |
| 59 | #if os(iOS) |
| 60 | .navigationTitle("Join as a guest") |
| 61 | .navigationBarTitleDisplayMode(.inline) |
| 62 | .toolbar { |
| 63 | ToolbarItem(placement: .cancellationAction) { Button("Cancel", action: done) } |
| 64 | ToolbarItem(placement: .confirmationAction) { joinButton } |
| 65 | } |
| 66 | #else |
| 67 | // A Mac sheet has no title bar to carry these, so they sit under |
| 68 | // the form where a Mac dialog keeps its buttons. |
| 69 | .safeAreaInset(edge: .top) { |
| 70 | Text("Join as a guest").font(.title2.bold()) |
| 71 | .frame(maxWidth: .infinity, alignment: .leading).padding([.horizontal, .top], 20) |
| 72 | } |
| 73 | .safeAreaInset(edge: .bottom) { |
| 74 | HStack { |
| 75 | Spacer() |
| 76 | Button("Cancel", action: done).keyboardShortcut(.cancelAction) |
| 77 | joinButton.keyboardShortcut(.defaultAction) |
| 78 | }.padding([.horizontal, .bottom], 20) |
| 79 | } |
| 80 | #endif |
| 81 | } |
| 82 | #if os(macOS) |
| 83 | .frame(width: 460) |
| 84 | .fixedSize(horizontal: false, vertical: true) |
| 85 | #endif |
| 86 | .tint(CallsAppearance.accent) |
| 87 | } |
| 88 | |
| 89 | private var joinButton: some View { |
| 90 | Button("Join", action: join).accessibilityIdentifier("guestJoin") |
| 91 | .disabled(link.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty) |
| 92 | } |
| 93 | |
| 94 | /// Fills the field only with a Calls link; anything else on the |
| 95 | /// clipboard is left there, and said so. |
| 96 | private func paste(_ text: String) { |
| 97 | if case .success(let url) = MeetingLink.validate(text) { |
| 98 | link = url.absoluteString |
| 99 | problem = "" |
| 100 | } else { |
| 101 | problem = "The clipboard doesn’t hold a Calls invite link." |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | private func join() { |
| 106 | if let failure = model.joinAsGuest(link) { |
| 107 | problem = failure.message |
| 108 | } else { |
| 109 | done() |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
amadan