142 lines
4.8 KiB
Swift
142 lines
4.8 KiB
Swift
//
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// Copyright 2022 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 MatrixRustSDK
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import UIKit
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@MainActor
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protocol AuthenticationCoordinatorDelegate: AnyObject {
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func authenticationCoordinator(_ authenticationCoordinator: AuthenticationCoordinator,
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didLoginWithSession userSession: UserSessionProtocol)
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}
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class AuthenticationCoordinator: Coordinator, Presentable {
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private let authenticationService: AuthenticationServiceProxyProtocol
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private let navigationRouter: NavigationRouter
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private var indicatorPresenter: UserIndicatorTypePresenterProtocol
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private var activityIndicator: UserIndicator?
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var childCoordinators: [Coordinator] = []
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weak var delegate: AuthenticationCoordinatorDelegate?
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init(authenticationService: AuthenticationServiceProxyProtocol,
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navigationRouter: NavigationRouter) {
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self.authenticationService = authenticationService
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self.navigationRouter = navigationRouter
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indicatorPresenter = UserIndicatorTypePresenter(presentingViewController: navigationRouter.toPresentable())
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}
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func start() {
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showSplashScreen()
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}
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func toPresentable() -> UIViewController {
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navigationRouter.toPresentable()
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}
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// MARK: - Private
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private func showSplashScreen() {
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let coordinator = SplashScreenCoordinator()
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coordinator.callback = { [weak self] action in
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guard let self = self else { return }
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switch action {
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case .login:
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Task { await self.startAuthentication() }
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}
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}
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coordinator.start()
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add(childCoordinator: coordinator)
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navigationRouter.setRootModule(coordinator) { [weak self] in
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self?.remove(childCoordinator: coordinator)
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}
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}
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private func startAuthentication() async {
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startLoading()
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switch await authenticationService.configure(for: BuildSettings.defaultHomeserverAddress) {
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case .success:
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stopLoading()
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showLoginScreen()
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case .failure:
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stopLoading()
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showServerSelectionScreen()
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}
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}
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private func showServerSelectionScreen() {
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let parameters = ServerSelectionCoordinatorParameters(authenticationService: authenticationService,
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hasModalPresentation: false)
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let coordinator = ServerSelectionCoordinator(parameters: parameters)
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coordinator.callback = { [weak self] action in
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guard let self = self else { return }
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switch action {
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case .updated:
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self.showLoginScreen()
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case .dismiss:
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MXLog.failure("[AuthenticationCoordinator] ServerSelectionScreen is requesting dismiss when part of a stack.")
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}
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}
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coordinator.start()
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add(childCoordinator: coordinator)
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navigationRouter.push(coordinator) { [weak self] in
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self?.remove(childCoordinator: coordinator)
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}
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}
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private func showLoginScreen() {
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let parameters = LoginCoordinatorParameters(authenticationService: authenticationService,
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navigationRouter: navigationRouter)
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let coordinator = LoginCoordinator(parameters: parameters)
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coordinator.callback = { [weak self] action in
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guard let self = self else { return }
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switch action {
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case .signedIn(let userSession):
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self.delegate?.authenticationCoordinator(self, didLoginWithSession: userSession)
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}
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}
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coordinator.start()
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add(childCoordinator: coordinator)
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navigationRouter.push(coordinator) { [weak self] in
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self?.remove(childCoordinator: coordinator)
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}
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}
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/// Show a blocking activity indicator.
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private func startLoading() {
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activityIndicator = indicatorPresenter.present(.loading(label: ElementL10n.loading, isInteractionBlocking: true))
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}
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/// Hide the currently displayed activity indicator.
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private func stopLoading() {
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activityIndicator = nil
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}
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}
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