123 lines
4.5 KiB
Swift
123 lines
4.5 KiB
Swift
/*
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Copyright 2021-2024 New Vector Ltd.
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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 Foundation
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@objc protocol FlowTemplateCoordinatorBridgePresenterDelegate {
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func flowTemplateCoordinatorBridgePresenterDelegateDidComplete(_ coordinatorBridgePresenter: FlowTemplateCoordinatorBridgePresenter)
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func flowTemplateCoordinatorBridgePresenterDidDismissInteractively(_ coordinatorBridgePresenter: FlowTemplateCoordinatorBridgePresenter)
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}
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/// FlowTemplateCoordinatorBridgePresenter enables to start FlowTemplateCoordinator from a view controller.
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/// This bridge is used while waiting for global usage of coordinator pattern.
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/// **WARNING**: This class breaks the Coordinator abstraction and it has been introduced for **Objective-C compatibility only** (mainly for integration in legacy view controllers). Each bridge should be removed once the underlying Coordinator has been integrated by another Coordinator.
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@objcMembers
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final class FlowTemplateCoordinatorBridgePresenter: NSObject {
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// MARK: - Constants
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private enum NavigationType {
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case present
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case push
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}
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// MARK: - Properties
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// MARK: Private
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private let session: MXSession
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private var navigationType: NavigationType = .present
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private var coordinator: FlowTemplateCoordinator?
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// MARK: Public
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weak var delegate: FlowTemplateCoordinatorBridgePresenterDelegate?
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// MARK: - Setup
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init(session: MXSession) {
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self.session = session
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super.init()
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}
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// MARK: - Public
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// NOTE: Default value feature is not compatible with Objective-C.
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// func present(from viewController: UIViewController, animated: Bool) {
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// self.present(from: viewController, animated: animated)
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// }
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func present(from viewController: UIViewController, animated: Bool) {
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let flowTemplateCoordinatorParameters = FlowTemplateCoordinatorParameters(session: self.session)
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let flowTemplateCoordinator = FlowTemplateCoordinator(parameters: flowTemplateCoordinatorParameters)
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flowTemplateCoordinator.delegate = self
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let presentable = flowTemplateCoordinator.toPresentable()
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viewController.present(presentable, animated: animated, completion: nil)
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flowTemplateCoordinator.start()
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self.coordinator = flowTemplateCoordinator
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self.navigationType = .present
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}
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func push(from navigationController: UINavigationController, animated: Bool) {
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let navigationRouter = NavigationRouterStore.shared.navigationRouter(for: navigationController)
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let flowTemplateCoordinatorParameters = FlowTemplateCoordinatorParameters(session: self.session, navigationRouter: navigationRouter)
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let flowTemplateCoordinator = FlowTemplateCoordinator(parameters: flowTemplateCoordinatorParameters)
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flowTemplateCoordinator.delegate = self
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flowTemplateCoordinator.start() // Will trigger the view controller push
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self.coordinator = flowTemplateCoordinator
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self.navigationType = .push
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}
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func dismiss(animated: Bool, completion: (() -> Void)?) {
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guard let coordinator = self.coordinator else {
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return
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}
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switch navigationType {
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case .present:
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// Dismiss modal
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coordinator.toPresentable().dismiss(animated: animated) {
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self.coordinator = nil
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if let completion = completion {
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completion()
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}
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}
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case .push:
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// Pop view controller from UINavigationController
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guard let navigationController = coordinator.toPresentable() as? UINavigationController else {
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return
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}
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navigationController.popViewController(animated: animated)
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self.coordinator = nil
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if let completion = completion {
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completion()
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}
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}
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}
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}
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// MARK: - FlowTemplateCoordinatorDelegate
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extension FlowTemplateCoordinatorBridgePresenter: FlowTemplateCoordinatorDelegate {
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func flowTemplateCoordinatorDidComplete(_ coordinator: FlowTemplateCoordinatorProtocol) {
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self.delegate?.flowTemplateCoordinatorBridgePresenterDelegateDidComplete(self)
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}
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func flowTemplateCoordinatorDidDismissInteractively(_ coordinator: FlowTemplateCoordinatorProtocol) {
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self.delegate?.flowTemplateCoordinatorBridgePresenterDidDismissInteractively(self)
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}
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}
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