QR Code error views (#2678)

Co-authored-by: Doug <douglase@element.io>

ElementX/Sources/Mocks/Generated/GeneratedMocks.swift

@@ -901,6 +901,18 @@ class ApplicationMock: ApplicationProtocol {
         openReceivedInvocations.append(url)
         openClosure?(url)
     }
+    //MARK: - openAppSettings
+
+    var openAppSettingsCallsCount = 0
+    var openAppSettingsCalled: Bool {
+        return openAppSettingsCallsCount > 0
+    }
+    var openAppSettingsClosure: (() -> Void)?
+
+    func openAppSettings() {
+        openAppSettingsCallsCount += 1
+        openAppSettingsClosure?()
+    }
 }
 class AudioConverterMock: AudioConverterProtocol {
 

ElementX/Sources/Other/SwiftUI/Views/HeroImage.swift

@@ -25,6 +25,7 @@ struct HeroImage: View {
         case normal
         case positive
         case subtle
+        case critical
         
         var foregroundColor: Color {
             switch self {
@@ -34,6 +35,8 @@ struct HeroImage: View {
                 return .compound.iconSuccessPrimary
             case .subtle:
                 return .compound.iconSecondary
+            case .critical:
+                return .compound.iconCriticalPrimary
             }
         }
         
@@ -45,6 +48,8 @@ struct HeroImage: View {
                 return .compound.bgSuccessSubtle
             case .subtle:
                 return .compound.bgSubtlePrimary
+            case .critical:
+                return .compound.bgCanvasDefault
             }
         }
     }

ElementX/Sources/Screens/LocationSharing/StaticLocationScreenCoordinator.swift

@@ -49,11 +49,7 @@ final class StaticLocationScreenCoordinator: CoordinatorProtocol {
             case .close:
                 actionsSubject.send(.close)
             case .openSystemSettings:
-                guard let url = URL(string: UIApplication.openSettingsURLString),
-                      UIApplication.shared.canOpenURL(url) else {
-                    return
-                }
-                UIApplication.shared.open(url)
+                UIApplication.shared.openAppSettings()
             case .sendLocation(let geoURI, let isUserLocation):
                 actionsSubject.send(.selectedLocation(geoURI, isUserLocation: isUserLocation))
             }

ElementX/Sources/Screens/QRCodeLoginScreen/QRCodeLoginScreenCoordinator.swift

@@ -40,7 +40,8 @@ final class QRCodeLoginScreenCoordinator: CoordinatorProtocol {
     }
     
     init(parameters: QRCodeLoginScreenCoordinatorParameters) {
-        viewModel = QRCodeLoginScreenViewModel(qrCodeLoginService: parameters.qrCodeLoginService)
+        viewModel = QRCodeLoginScreenViewModel(qrCodeLoginService: parameters.qrCodeLoginService,
+                                               application: UIApplication.shared)
         orientationManager = parameters.orientationManager
     }
     

ElementX/Sources/Screens/QRCodeLoginScreen/QRCodeLoginScreenModels.swift

@@ -23,7 +23,7 @@ enum QRCodeLoginScreenViewModelAction {
 struct QRCodeLoginScreenViewState: BindableState {
     var state: QRCodeLoginState = .initial
     
-    private let listItem3AttributedText = {
+    private static let initialStateListItem3AttributedText = {
         let boldPlaceholder = "{bold}"
         var finalString = AttributedString(L10n.screenQrCodeLoginInitialStateItem3(boldPlaceholder))
         var boldString = AttributedString(L10n.screenQrCodeLoginInitialStateItem3Action)
@@ -32,7 +32,7 @@ struct QRCodeLoginScreenViewState: BindableState {
         return finalString
     }()
     
-    private let listItem4AttributedText = {
+    private static let initialStateListItem4AttributedText = {
         let boldPlaceholder = "{bold}"
         var finalString = AttributedString(L10n.screenQrCodeLoginInitialStateItem4(boldPlaceholder))
         var boldString = AttributedString(L10n.screenQrCodeLoginInitialStateItem4Action)
@@ -41,19 +41,24 @@ struct QRCodeLoginScreenViewState: BindableState {
         return finalString
     }()
     
-    var listItems: [AttributedString] {
-        [
-            AttributedString(L10n.screenQrCodeLoginInitialStateItem1(InfoPlistReader.main.productionAppName)),
-            AttributedString(L10n.screenQrCodeLoginInitialStateItem2),
-            listItem3AttributedText,
-            listItem4AttributedText
-        ]
-    }
+    let initialStateListItems = [
+        AttributedString(L10n.screenQrCodeLoginInitialStateItem1(InfoPlistReader.main.productionAppName)),
+        AttributedString(L10n.screenQrCodeLoginInitialStateItem2),
+        initialStateListItem3AttributedText,
+        initialStateListItem4AttributedText
+    ]
+    
+    let connectionNotSecureListItems = [
+        AttributedString(L10n.screenQrCodeLoginConnectionNoteSecureStateListItem1),
+        AttributedString(L10n.screenQrCodeLoginConnectionNoteSecureStateListItem2),
+        AttributedString(L10n.screenQrCodeLoginConnectionNoteSecureStateListItem3)
+    ]
 }
 
 enum QRCodeLoginScreenViewAction {
     case cancel
     case startScan
+    case openSettings
 }
 
 enum QRCodeLoginState: Equatable {
@@ -66,6 +71,8 @@ enum QRCodeLoginState: Equatable {
     
     enum QRCodeLoginErrorState: Equatable {
         case noCameraPermission
+        case connectionNotSecure
+        case unknown
     }
     
     enum QRCodeLoginScanningState: Equatable {

ElementX/Sources/Screens/QRCodeLoginScreen/QRCodeLoginScreenViewModel.swift

@@ -22,14 +22,17 @@ typealias QRCodeLoginScreenViewModelType = StateStoreViewModel<QRCodeLoginScreen
 
 class QRCodeLoginScreenViewModel: QRCodeLoginScreenViewModelType, QRCodeLoginScreenViewModelProtocol {
     private let qrCodeLoginService: QRCodeLoginServiceProtocol
+    private let application: ApplicationProtocol
     
     private let actionsSubject: PassthroughSubject<QRCodeLoginScreenViewModelAction, Never> = .init()
     var actionsPublisher: AnyPublisher<QRCodeLoginScreenViewModelAction, Never> {
         actionsSubject.eraseToAnyPublisher()
     }
 
-    init(qrCodeLoginService: QRCodeLoginServiceProtocol) {
+    init(qrCodeLoginService: QRCodeLoginServiceProtocol,
+         application: ApplicationProtocol) {
         self.qrCodeLoginService = qrCodeLoginService
+        self.application = application
         super.init(initialViewState: QRCodeLoginScreenViewState())
     }
     
@@ -41,6 +44,8 @@ class QRCodeLoginScreenViewModel: QRCodeLoginScreenViewModelType, QRCodeLoginScr
             actionsSubject.send(.cancel)
         case .startScan:
             Task { await startScanIfPossible() }
+        case .openSettings:
+            application.openAppSettings()
         }
     }
     
@@ -51,6 +56,7 @@ class QRCodeLoginScreenViewModel: QRCodeLoginScreenViewModelType, QRCodeLoginScr
     /// Only for mocking initial states
     fileprivate init(state: QRCodeLoginState) {
         qrCodeLoginService = QRCodeLoginServiceMock(configuration: .init())
+        application = ApplicationMock()
         super.init(initialViewState: .init(state: state))
     }
 }

ElementX/Sources/Screens/QRCodeLoginScreen/View/QRCodeLoginScreen.swift

@@ -40,8 +40,7 @@ struct QRCodeLoginScreen: View {
         case .scan:
             qrScanContent
         case .error:
-            // TODO: Handle error states
-            EmptyView()
+            errorContent
         }
     }
     
@@ -58,7 +57,7 @@ struct QRCodeLoginScreen: View {
                 }
                 .padding(.horizontal, 24)
                 
-                SFNumberedListView(items: context.viewState.listItems)
+                SFNumberedListView(items: context.viewState.initialStateListItems)
             }
         } bottomContent: {
             Button(L10n.actionContinue) {
@@ -107,7 +106,7 @@ struct QRCodeLoginScreen: View {
             case .invalid:
                 VStack(spacing: 16) {
                     Button(L10n.screenQrCodeLoginInvalidScanStateRetryButton) {
-                        // TODO: Implement try again
+                        context.send(viewAction: .startScan)
                     }
                     .buttonStyle(.compound(.primary))
                     
@@ -125,7 +124,7 @@ struct QRCodeLoginScreen: View {
             }
         }
     }
-
+    
     private var qrScanner: some View {
         QRCodeScannerView()
             .aspectRatio(1.0, contentMode: .fill)
@@ -136,7 +135,7 @@ struct QRCodeLoginScreen: View {
                 QRScannerViewOverlay(length: qrFrame.height)
             )
     }
-        
+    
     @ToolbarContentBuilder
     private var toolbar: some ToolbarContent {
         ToolbarItem(placement: .cancellationAction) {
@@ -145,6 +144,98 @@ struct QRCodeLoginScreen: View {
             }
         }
     }
+        
+    @ViewBuilder
+    private var errorContent: some View {
+        if case let .error(errorState) = context.viewState.state {
+            FullscreenDialog {
+                errorContentHeader(errorState: errorState)
+            } bottomContent: {
+                errorContentFooter(errorState: errorState)
+            }
+            .padding(.horizontal, 24)
+        }
+    }
+    
+    @ViewBuilder
+    private func errorContentHeader(errorState: QRCodeLoginState.QRCodeLoginErrorState) -> some View {
+        switch errorState {
+        case .noCameraPermission:
+            VStack(spacing: 16) {
+                HeroImage(icon: \.takePhotoSolid, style: .subtle)
+                
+                VStack(spacing: 8) {
+                    Text(L10n.screenQrCodeLoginNoCameraPermissionStateTitle)
+                        .foregroundColor(.compound.textPrimary)
+                        .font(.compound.headingMDBold)
+                        .multilineTextAlignment(.center)
+                    
+                    Text(L10n.screenQrCodeLoginNoCameraPermissionStateDescription)
+                        .foregroundColor(.compound.textSecondary)
+                        .font(.compound.bodyMD)
+                        .multilineTextAlignment(.center)
+                }
+            }
+        case .connectionNotSecure:
+            VStack(spacing: 40) {
+                VStack(spacing: 16) {
+                    HeroImage(icon: \.error, style: .critical)
+                    
+                    VStack(spacing: 8) {
+                        Text(L10n.screenQrCodeLoginConnectionNoteSecureStateTitle)
+                            .foregroundColor(.compound.textPrimary)
+                            .font(.compound.headingMDBold)
+                            .multilineTextAlignment(.center)
+                        
+                        Text(L10n.screenQrCodeLoginConnectionNoteSecureStateDescription)
+                            .foregroundColor(.compound.textSecondary)
+                            .font(.compound.bodyMD)
+                            .multilineTextAlignment(.center)
+                    }
+                }
+                
+                VStack(spacing: 24) {
+                    Text(L10n.screenQrCodeLoginConnectionNoteSecureStateListHeader)
+                        .foregroundColor(.compound.textPrimary)
+                        .font(.compound.bodyLGSemibold)
+                        .multilineTextAlignment(.center)
+                    
+                    SFNumberedListView(items: context.viewState.connectionNotSecureListItems)
+                }
+            }
+        case .unknown:
+            VStack(spacing: 16) {
+                HeroImage(icon: \.error, style: .critical)
+                
+                VStack(spacing: 8) {
+                    Text(L10n.commonSomethingWentWrong)
+                        .foregroundColor(.compound.textPrimary)
+                        .font(.compound.headingMDBold)
+                        .multilineTextAlignment(.center)
+                    
+                    Text(L10n.screenQrCodeLoginUnknownErrorDescription)
+                        .foregroundColor(.compound.textSecondary)
+                        .font(.compound.bodyMD)
+                        .multilineTextAlignment(.center)
+                }
+            }
+        }
+    }
+    
+    private func errorContentFooter(errorState: QRCodeLoginState.QRCodeLoginErrorState) -> some View {
+        switch errorState {
+        case .noCameraPermission:
+            Button(L10n.screenQrCodeLoginNoCameraPermissionButton) {
+                context.send(viewAction: .openSettings)
+            }
+            .buttonStyle(.compound(.primary))
+        case .connectionNotSecure, .unknown:
+            Button(L10n.screenQrCodeLoginStartOverButton) {
+                context.send(viewAction: .startScan)
+            }
+            .buttonStyle(.compound(.primary))
+        }
+    }
 }
 
 private struct QRScannerViewOverlay: View {
@@ -183,6 +274,12 @@ struct QRCodeLoginScreen_Previews: PreviewProvider, TestablePreview {
     
     static let invalidStateViewModel = QRCodeLoginScreenViewModel.mock(state: .scan(.invalid))
     
+    static let noCameraPermissionStateViewModel = QRCodeLoginScreenViewModel.mock(state: .error(.noCameraPermission))
+    
+    static let connectionNotSecureStateViewModel = QRCodeLoginScreenViewModel.mock(state: .error(.connectionNotSecure))
+    
+    static let unknownErrorStateViewModel = QRCodeLoginScreenViewModel.mock(state: .error(.unknown))
+    
     static var previews: some View {
         QRCodeLoginScreen(context: initialStateViewModel.context)
             .previewDisplayName("Initial")
@@ -195,5 +292,14 @@ struct QRCodeLoginScreen_Previews: PreviewProvider, TestablePreview {
         
         QRCodeLoginScreen(context: invalidStateViewModel.context)
             .previewDisplayName("Invalid")
+        
+        QRCodeLoginScreen(context: noCameraPermissionStateViewModel.context)
+            .previewDisplayName("No Camera Permission")
+        
+        QRCodeLoginScreen(context: connectionNotSecureStateViewModel.context)
+            .previewDisplayName("Connection not secure")
+        
+        QRCodeLoginScreen(context: unknownErrorStateViewModel.context)
+            .previewDisplayName("Unknown error")
     }
 }

ElementX/Sources/Screens/RoomScreen/RoomScreenInteractionHandler.swift

@@ -619,8 +619,7 @@ class RoomScreenInteractionHandler {
     }
     
     private func openSystemSettings() {
-        guard let url = URL(string: UIApplication.openSettingsURLString) else { return }
-        application.open(url)
+        application.openAppSettings()
     }
     
     private func displayMediaActionIfPossible(timelineItem: RoomTimelineItemProtocol) async -> RoomTimelineControllerAction {

ElementX/Sources/Services/Background/ApplicationProtocol.swift

@@ -24,6 +24,8 @@ protocol ApplicationProtocol {
     func endBackgroundTask(_ identifier: UIBackgroundTaskIdentifier)
     
     func open(_ url: URL)
+    
+    func openAppSettings()
 
     var backgroundTimeRemaining: TimeInterval { get }
 
@@ -34,4 +36,11 @@ extension UIApplication: ApplicationProtocol {
     func open(_ url: URL) {
         open(url, options: [:], completionHandler: nil)
     }
+    
+    func openAppSettings() {
+        guard let url = URL(string: UIApplication.openSettingsURLString) else {
+            return
+        }
+        open(url)
+    }
 }