element-x-ios/ElementX/Sources/Screens/RoomDetailsEditScreen/RoomDetailsEditScreenCoordi...

91 lines
3.6 KiB
Swift

//
// Copyright 2022 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 Combine
import SwiftUI
struct RoomDetailsEditScreenCoordinatorParameters {
let accountOwner: RoomMemberProxyProtocol
let mediaProvider: MediaProviderProtocol
let navigationStackCoordinator: NavigationStackCoordinator
let roomProxy: RoomProxyProtocol
let userIndicatorController: UserIndicatorControllerProtocol
}
enum RoomDetailsEditScreenCoordinatorAction {
case dismiss
}
final class RoomDetailsEditScreenCoordinator: CoordinatorProtocol {
private let parameters: RoomDetailsEditScreenCoordinatorParameters
private var viewModel: RoomDetailsEditScreenViewModelProtocol
private let actionsSubject: PassthroughSubject<RoomDetailsEditScreenCoordinatorAction, Never> = .init()
private var cancellables: Set<AnyCancellable> = .init()
var actions: AnyPublisher<RoomDetailsEditScreenCoordinatorAction, Never> {
actionsSubject.eraseToAnyPublisher()
}
init(parameters: RoomDetailsEditScreenCoordinatorParameters) {
self.parameters = parameters
viewModel = RoomDetailsEditScreenViewModel(accountOwner: parameters.accountOwner,
mediaProvider: parameters.mediaProvider,
roomProxy: parameters.roomProxy,
userIndicatorController: parameters.userIndicatorController)
}
func start() {
viewModel.actions
.sink { [weak self] action in
switch action {
case .cancel, .saveFinished:
self?.actionsSubject.send(.dismiss)
case .displayCameraPicker:
self?.displayMediaPickerWithSource(.camera)
case .displayMediaPicker:
self?.displayMediaPickerWithSource(.photoLibrary)
}
}
.store(in: &cancellables)
}
func toPresentable() -> AnyView {
AnyView(RoomDetailsEditScreen(context: viewModel.context))
}
// MARK: Private
private func displayMediaPickerWithSource(_ source: MediaPickerScreenSource) {
let stackCoordinator = NavigationStackCoordinator()
let userIndicatorController = UserIndicatorController(rootCoordinator: stackCoordinator)
let mediaPickerCoordinator = MediaPickerScreenCoordinator(userIndicatorController: userIndicatorController, source: source) { [weak self] action in
guard let self else { return }
switch action {
case .cancel:
parameters.navigationStackCoordinator.setSheetCoordinator(nil)
case .selectMediaAtURL(let url):
parameters.navigationStackCoordinator.setSheetCoordinator(nil)
viewModel.didSelectMediaUrl(url: url)
}
}
stackCoordinator.setRootCoordinator(mediaPickerCoordinator)
parameters.navigationStackCoordinator.setSheetCoordinator(userIndicatorController)
}
}