151 lines
5.1 KiB
Swift
151 lines
5.1 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import SwiftUI
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/// The screen shown to a new user to select their use case for the app.
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struct AuthenticationQRLoginStartScreen: View {
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// MARK: - Properties
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// MARK: Private
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@Environment(\.theme) private var theme
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@ScaledMetric private var iconSize = 70.0
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// MARK: Public
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@ObservedObject var context: AuthenticationQRLoginStartViewModel.Context
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var body: some View {
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GeometryReader { geometry in
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VStack(alignment: .leading, spacing: 0) {
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ScrollView {
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titleContent
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.padding(.top, OnboardingMetrics.topPaddingToNavigationBar)
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stepsView
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}
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.readableFrame()
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footerContent
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.padding(.bottom, geometry.safeAreaInsets.bottom > 0 ? 20 : 36)
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}
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.padding(.horizontal, 16)
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}
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.background(theme.colors.background.ignoresSafeArea())
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}
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/// The screen's title and instructions.
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var titleContent: some View {
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VStack(spacing: 16) {
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ZStack {
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Circle()
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.fill(theme.colors.accent)
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Image(Asset.Images.camera.name)
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.resizable()
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.renderingMode(.template)
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.foregroundColor(.white)
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.aspectRatio(1.0, contentMode: .fit)
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.padding(14)
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}
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.frame(width: iconSize, height: iconSize)
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.padding(.bottom, 16)
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Text(VectorL10n.authenticationQrLoginStartTitle)
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.font(theme.fonts.title2B)
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.multilineTextAlignment(.center)
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.foregroundColor(theme.colors.primaryContent)
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.accessibilityIdentifier("titleLabel")
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Text(VectorL10n.authenticationQrLoginStartSubtitle)
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.font(theme.fonts.body)
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.multilineTextAlignment(.center)
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.foregroundColor(theme.colors.secondaryContent)
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.padding(.bottom, 24)
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.accessibilityIdentifier("subtitleLabel")
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}
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}
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/// The screen's footer.
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var footerContent: some View {
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VStack(spacing: 12) {
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Button(action: scanQR) {
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Text(VectorL10n.authenticationQrLoginStartTitle)
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}
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.buttonStyle(PrimaryActionButtonStyle(font: theme.fonts.bodySB))
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.padding(.bottom, 8)
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.accessibilityIdentifier("scanQRButton")
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if context.viewState.canShowDisplayQRButton {
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LabelledDivider(label: VectorL10n.authenticationQrLoginStartNeedAlternative)
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Button(action: displayQR) {
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Text(VectorL10n.authenticationQrLoginStartDisplayQr)
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}
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.buttonStyle(SecondaryActionButtonStyle(font: theme.fonts.bodySB))
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.accessibilityIdentifier("displayQRButton")
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}
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}
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}
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/// The buttons used to select a use case for the app.
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var stepsView: some View {
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VStack(alignment: .leading, spacing: 12) {
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ForEach(steps) { step in
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HStack {
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Text(String(step.id))
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.font(theme.fonts.caption2SB)
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.foregroundColor(theme.colors.accent)
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.padding(6)
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.shapedBorder(color: theme.colors.accent, borderWidth: 1, shape: Circle())
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.offset(x: 1, y: 0)
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Text(step.description)
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.foregroundColor(theme.colors.primaryContent)
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.font(theme.fonts.subheadline)
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Spacer()
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}
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}
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}
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}
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private let steps = [
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QRLoginStartStep(id: 1, description: VectorL10n.authenticationQrLoginStartStep1),
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QRLoginStartStep(id: 2, description: VectorL10n.authenticationQrLoginStartStep2),
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QRLoginStartStep(id: 3, description: VectorL10n.authenticationQrLoginStartStep3),
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QRLoginStartStep(id: 4, description: VectorL10n.authenticationQrLoginStartStep4)
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]
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/// Sends the `scanQR` view action.
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func scanQR() {
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context.send(viewAction: .scanQR)
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}
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/// Sends the `displayQR` view action.
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func displayQR() {
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context.send(viewAction: .displayQR)
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}
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}
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// MARK: - Previews
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struct AuthenticationQRLoginStart_Previews: PreviewProvider {
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static let stateRenderer = MockAuthenticationQRLoginStartScreenState.stateRenderer
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static var previews: some View {
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stateRenderer.screenGroup(addNavigation: true)
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.theme(.light).preferredColorScheme(.light)
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.navigationViewStyle(.stack)
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stateRenderer.screenGroup(addNavigation: true)
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.theme(.dark).preferredColorScheme(.dark)
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.navigationViewStyle(.stack)
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}
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}
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private struct QRLoginStartStep: Identifiable {
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let id: Int
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let description: String
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}
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