mirror of
https://github.com/vector-im/element-ios.git
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0c2a74ab76
Scale SSO button icon with dynamic type. Add an onCommit parameter to RoundedBorderTextField and use to submit instead of onEditingChanged.
181 lines
7.4 KiB
Swift
181 lines
7.4 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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struct AuthenticationRegistrationScreen: View {
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// MARK: - Properties
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// MARK: Private
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@Environment(\.theme) private var theme: ThemeSwiftUI
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@State private var isPasswordFocused = false
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// MARK: Public
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@ObservedObject var viewModel: AuthenticationRegistrationViewModel.Context
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var body: some View {
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ScrollView {
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VStack(spacing: 0) {
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header
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.padding(.top, OnboardingMetrics.topPaddingToNavigationBar)
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.padding(.bottom, 36)
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serverInfo
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.padding(.leading, 12)
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Rectangle()
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.fill(theme.colors.quinaryContent)
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.frame(height: 1)
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.padding(.vertical, 21)
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if viewModel.viewState.homeserver.showRegistrationForm {
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registrationForm
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}
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if viewModel.viewState.homeserver.showRegistrationForm && viewModel.viewState.showSSOButtons {
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Text(VectorL10n.or)
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.foregroundColor(theme.colors.secondaryContent)
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.padding(.top, 16)
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}
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if viewModel.viewState.showSSOButtons {
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ssoButtons
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.padding(.top, 16)
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}
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}
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.readableFrame()
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.padding(.horizontal, 16)
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.padding(.bottom, 16)
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}
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.background(theme.colors.background.ignoresSafeArea())
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.alert(item: $viewModel.alertInfo) { $0.alert }
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.accentColor(theme.colors.accent)
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}
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/// The header containing the icon, title and message.
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var header: some View {
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VStack(spacing: 8) {
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OnboardingIconImage(image: Asset.Images.onboardingCongratulationsIcon)
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.padding(.bottom, 8)
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Text(VectorL10n.authenticationRegistrationTitle)
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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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Text(VectorL10n.authenticationRegistrationMessage)
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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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}
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}
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/// The sever information section that includes a button to select a different server.
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var serverInfo: some View {
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AuthenticationServerInfoSection(address: viewModel.viewState.homeserver.address,
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showMatrixDotOrgInfo: viewModel.viewState.homeserver.isMatrixDotOrg) {
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viewModel.send(viewAction: .selectServer)
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}
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}
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/// The form with text fields for username and password, along with a submit button.
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var registrationForm: some View {
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VStack(spacing: 21) {
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RoundedBorderTextField(title: nil,
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placeHolder: VectorL10n.authenticationRegistrationUsername,
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text: $viewModel.username,
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footerText: viewModel.viewState.usernameFooterMessage,
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isError: viewModel.viewState.hasEditedUsername && !viewModel.viewState.isUsernameValid,
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isFirstResponder: false,
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configuration: UIKitTextInputConfiguration(returnKeyType: .next,
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autocapitalizationType: .none,
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autocorrectionType: .no),
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onEditingChanged: usernameEditingChanged,
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onCommit: { isPasswordFocused = true })
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.onChange(of: viewModel.username) { _ in viewModel.send(viewAction: .clearUsernameError) }
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.accessibilityIdentifier("usernameTextField")
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RoundedBorderTextField(title: nil,
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placeHolder: VectorL10n.authPasswordPlaceholder,
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text: $viewModel.password,
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footerText: VectorL10n.authenticationRegistrationPasswordFooter,
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isError: viewModel.viewState.hasEditedPassword && !viewModel.viewState.isPasswordValid,
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isFirstResponder: isPasswordFocused,
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configuration: UIKitTextInputConfiguration(returnKeyType: .done,
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isSecureTextEntry: true),
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onEditingChanged: passwordEditingChanged,
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onCommit: submit)
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.accessibilityIdentifier("passwordTextField")
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Button(action: submit) {
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Text(VectorL10n.next)
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}
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.buttonStyle(PrimaryActionButtonStyle())
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.disabled(!viewModel.viewState.hasValidCredentials)
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.accessibilityIdentifier("nextButton")
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}
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}
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/// A list of SSO buttons that can be used for login.
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var ssoButtons: some View {
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VStack(spacing: 16) {
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ForEach(viewModel.viewState.homeserver.ssoIdentityProviders) { provider in
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AuthenticationSSOButton(provider: provider) {
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viewModel.send(viewAction: .continueWithSSO(provider))
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}
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.accessibilityIdentifier("ssoButton")
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}
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}
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}
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/// Validates the username when the text field ends editing.
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func usernameEditingChanged(isEditing: Bool) {
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guard !isEditing, !viewModel.username.isEmpty else { return }
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viewModel.send(viewAction: .validateUsername)
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}
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/// Enables password validation the first time the user finishes editing.
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/// Additionally resets the password field focus.
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func passwordEditingChanged(isEditing: Bool) {
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guard !isEditing else { return }
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isPasswordFocused = false
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guard !viewModel.viewState.hasEditedPassword else { return }
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viewModel.send(viewAction: .enablePasswordValidation)
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}
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/// Sends the `next` view action so long as valid credentials have been input.
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func submit() {
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guard viewModel.viewState.hasValidCredentials else { return }
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viewModel.send(viewAction: .next)
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}
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}
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// MARK: - Previews
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@available(iOS 15.0, *)
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struct AuthenticationRegistration_Previews: PreviewProvider {
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static let stateRenderer = MockAuthenticationRegistrationScreenState.stateRenderer
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static var previews: some View {
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stateRenderer.screenGroup(addNavigation: true)
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.navigationViewStyle(.stack)
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}
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}
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