Login with QR UI components (#6790)

* Display QR button on login screen if HS supports * Create start screen * Add build flag * Connect start screen to the login * QR display screen * Move `LabelledDividerView` into separate file * Show display QR screen on button tap * Add swift concurreny to CameraAccessManager * Introduce `QRLoginServiceProtocol` * Use new service in screens * Introduce scan QR code screen * Remove hardcoded service availability * Remove unnecessary import * Add confirmation screen * Add loading screen * Fix ZXingObjc targets * Add failure screen * Add strings * Various UI tweaks, navigation according to the service state * Fix tests * Add string for invalid QR error * Add QR login service mode
2026-05-02 06:06:57 +02:00 · 2022-10-06 18:05:46 +03:00
parent 01ebe6de55
commit 27857f98db
79 changed files with 4094 additions and 9 deletions
@@ -0,0 +1,148 @@
+//
+// Copyright 2021 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import SwiftUI
+
+/// The screen shown to a new user to select their use case for the app.
+struct AuthenticationQRLoginDisplayScreen: View {
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    @Environment(\.theme) private var theme
+    
+    // MARK: Public
+    
+    @ObservedObject var context: AuthenticationQRLoginDisplayViewModel.Context
+    
+    var body: some View {
+        GeometryReader { geometry in
+            VStack(alignment: .leading, spacing: 0) {
+                ScrollView {
+                    titleContent
+                        .padding(.top, OnboardingMetrics.topPaddingToNavigationBar)
+                    stepsView
+                    qrView
+                }
+                .readableFrame()
+
+                footerContent
+                    .padding(.bottom, geometry.safeAreaInsets.bottom > 0 ? 20 : 36)
+            }
+            .padding(.horizontal, 16)
+        }
+        .background(theme.colors.background.ignoresSafeArea())
+    }
+    
+    /// The screen's title and instructions.
+    var titleContent: some View {
+        VStack(spacing: 24) {
+            Text(VectorL10n.authenticationQrLoginDisplayTitle)
+                .font(theme.fonts.title2B)
+                .multilineTextAlignment(.center)
+                .foregroundColor(theme.colors.primaryContent)
+                .accessibilityIdentifier("titleLabel")
+            
+            Text(VectorL10n.authenticationQrLoginDisplaySubtitle)
+                .font(theme.fonts.body)
+                .multilineTextAlignment(.center)
+                .foregroundColor(theme.colors.secondaryContent)
+                .padding(.bottom, 24)
+                .accessibilityIdentifier("subtitleLabel")
+        }
+    }
+
+    /// The screen's footer.
+    var footerContent: some View {
+        VStack(spacing: 8) {
+            Button(action: cancel) {
+                Text(VectorL10n.cancel)
+            }
+            .buttonStyle(SecondaryActionButtonStyle(font: theme.fonts.bodySB))
+            .accessibilityIdentifier("cancelButton")
+        }
+    }
+    
+    /// The buttons used to select a use case for the app.
+    var stepsView: some View {
+        VStack(alignment: .leading, spacing: 12) {
+            ForEach(steps) { step in
+                HStack {
+                    Text(String(step.id))
+                        .font(theme.fonts.caption2SB)
+                        .foregroundColor(theme.colors.accent)
+                        .padding(6)
+                        .shapedBorder(color: theme.colors.accent, borderWidth: 1, shape: Circle())
+                        .offset(x: 1, y: 0)
+                    Text(step.description)
+                        .foregroundColor(theme.colors.primaryContent)
+                        .font(theme.fonts.subheadline)
+                    Spacer()
+                }
+            }
+        }
+    }
+
+    @ViewBuilder
+    var qrView: some View {
+        if let qrImage = context.viewState.qrImage {
+            VStack {
+                Image(uiImage: qrImage)
+                    .resizable()
+                    .renderingMode(.template)
+                    .foregroundColor(theme.colors.primaryContent)
+                    .scaledToFit()
+                    .accessibilityIdentifier("qrImageView")
+            }
+            .aspectRatio(1, contentMode: .fit)
+            .shapedBorder(color: theme.colors.quinaryContent,
+                          borderWidth: 1,
+                          shape: RoundedRectangle(cornerRadius: 8))
+            .padding(1)
+            .padding(.top, 16)
+        }
+    }
+
+    private let steps = [
+        QRLoginDisplayStep(id: 1, description: VectorL10n.authenticationQrLoginDisplayStep1),
+        QRLoginDisplayStep(id: 2, description: VectorL10n.authenticationQrLoginDisplayStep2)
+    ]
+    
+    /// Sends the `cancel` view action.
+    func cancel() {
+        context.send(viewAction: .cancel)
+    }
+}
+
+// MARK: - Previews
+
+struct AuthenticationQRLoginDisplay_Previews: PreviewProvider {
+    static let stateRenderer = MockAuthenticationQRLoginDisplayScreenState.stateRenderer
+    
+    static var previews: some View {
+        stateRenderer.screenGroup(addNavigation: true)
+            .theme(.light).preferredColorScheme(.light)
+            .navigationViewStyle(.stack)
+        stateRenderer.screenGroup(addNavigation: true)
+            .theme(.dark).preferredColorScheme(.dark)
+            .navigationViewStyle(.stack)
+    }
+}
+
+private struct QRLoginDisplayStep: Identifiable {
+    let id: Int
+    let description: String
+}