Allow registration on matrix.org using a custom helper URL. (#3282)

ElementX/Sources/Screens/AuthenticationStartScreen/AuthenticationStartScreenCoordinator.swift

@@ -8,6 +8,10 @@
 import Combine
 import SwiftUI
 
+struct AuthenticationStartScreenParameters {
+    let webRegistrationEnabled: Bool
+}
+
 final class AuthenticationStartScreenCoordinator: CoordinatorProtocol {
     private var viewModel: AuthenticationStartScreenViewModelProtocol
     private let actionsSubject: PassthroughSubject<AuthenticationStartScreenCoordinatorAction, Never> = .init()
@@ -17,8 +21,8 @@ final class AuthenticationStartScreenCoordinator: CoordinatorProtocol {
         actionsSubject.eraseToAnyPublisher()
     }
     
-    init() {
-        viewModel = AuthenticationStartScreenViewModel()
+    init(parameters: AuthenticationStartScreenParameters) {
+        viewModel = AuthenticationStartScreenViewModel(webRegistrationEnabled: parameters.webRegistrationEnabled)
     }
     
     // MARK: - Public
@@ -33,6 +37,8 @@ final class AuthenticationStartScreenCoordinator: CoordinatorProtocol {
                     actionsSubject.send(.loginManually)
                 case .loginWithQR:
                     actionsSubject.send(.loginWithQR)
+                case .register:
+                    actionsSubject.send(.register)
                 case .reportProblem:
                     actionsSubject.send(.reportProblem)
                 }

ElementX/Sources/Screens/AuthenticationStartScreen/AuthenticationStartScreenModels.swift

@@ -12,21 +12,25 @@ import SwiftUI
 enum AuthenticationStartScreenCoordinatorAction {
     case loginManually
     case loginWithQR
+    case register
     case reportProblem
 }
 
 enum AuthenticationStartScreenViewModelAction {
     case loginManually
     case loginWithQR
+    case register
     case reportProblem
 }
 
 struct AuthenticationStartScreenViewState: BindableState {
-    var isQRCodeLoginEnabled = false
+    let isWebRegistrationEnabled: Bool
+    let isQRCodeLoginEnabled: Bool
 }
 
 enum AuthenticationStartScreenViewAction {
     case loginManually
     case loginWithQR
+    case register
     case reportProblem
 }

ElementX/Sources/Screens/AuthenticationStartScreen/AuthenticationStartScreenViewModel.swift

@@ -17,9 +17,9 @@ class AuthenticationStartScreenViewModel: AuthenticationStartScreenViewModelType
         actionsSubject.eraseToAnyPublisher()
     }
 
-    init() {
-        super.init(initialViewState: AuthenticationStartScreenViewState())
-        state.isQRCodeLoginEnabled = !ProcessInfo.processInfo.isiOSAppOnMac && AppSettings.isDevelopmentBuild
+    init(webRegistrationEnabled: Bool) {
+        super.init(initialViewState: AuthenticationStartScreenViewState(isWebRegistrationEnabled: webRegistrationEnabled,
+                                                                        isQRCodeLoginEnabled: !ProcessInfo.processInfo.isiOSAppOnMac && AppSettings.isDevelopmentBuild))
     }
 
     override func process(viewAction: AuthenticationStartScreenViewAction) {
@@ -28,6 +28,8 @@ class AuthenticationStartScreenViewModel: AuthenticationStartScreenViewModelType
             actionsSubject.send(.loginManually)
         case .loginWithQR:
             actionsSubject.send(.loginWithQR)
+        case .register:
+            actionsSubject.send(.register)
         case .reportProblem:
             actionsSubject.send(.reportProblem)
         }

ElementX/Sources/Screens/AuthenticationStartScreen/View/AuthenticationStartScreen.swift

@@ -99,6 +99,14 @@ struct AuthenticationStartScreen: View {
             }
             .buttonStyle(.compound(.primary))
             .accessibilityIdentifier(A11yIdentifiers.authenticationStartScreen.signIn)
+            
+            if context.viewState.isWebRegistrationEnabled {
+                Button { context.send(viewAction: .register) } label: {
+                    Text(L10n.screenCreateAccountTitle)
+                        .padding(14)
+                }
+                .buttonStyle(.compound(.plain))
+            }
         }
         .padding(.horizontal, verticalSizeClass == .compact ? 128 : 24)
         .readableFrame()
@@ -108,7 +116,7 @@ struct AuthenticationStartScreen: View {
 // MARK: - Previews
 
 struct AuthenticationStartScreen_Previews: PreviewProvider, TestablePreview {
-    static let viewModel = AuthenticationStartScreenViewModel()
+    static let viewModel = AuthenticationStartScreenViewModel(webRegistrationEnabled: true)
     
     static var previews: some View {
         AuthenticationStartScreen(context: viewModel.context)