SwiftUI NavigationController and UserNotificationControllers (#309)

* Fixes #286 - Adopted the new SwiftUI NavigationStack based NavigationController throughout the application
* Fixes #315 - Implemented new user notification components on top of SwiftUI and the new navigation flows
* Add home screen fade animation between skeletons and real rooms
* Bump the danger-swift version used on the CI and swiftlint with it
* Renamed Splash to Onboarding, Empty to Splash

ElementX/Sources/Screens/HomeScreen/HomeScreenCoordinator.swift

@@ -20,6 +20,8 @@ import SwiftUI
 struct HomeScreenCoordinatorParameters {
     let userSession: UserSessionProtocol
     let attributedStringBuilder: AttributedStringBuilderProtocol
+    let bugReportService: BugReportServiceProtocol
+    let navigationController: NavigationController
 }
 
 enum HomeScreenCoordinatorAction {
@@ -30,34 +32,20 @@ enum HomeScreenCoordinatorAction {
     case signOut
 }
 
-final class HomeScreenCoordinator: Coordinator, Presentable {
-    // MARK: - Properties
-    
-    // MARK: Private
-    
+final class HomeScreenCoordinator: CoordinatorProtocol {
     private let parameters: HomeScreenCoordinatorParameters
-    private let hostingController: UIViewController
     private var viewModel: HomeScreenViewModelProtocol
     
     private var cancellables = Set<AnyCancellable>()
     
-    // MARK: Public
-
-    // Must be used only internally
-    var childCoordinators: [Coordinator] = []
     var callback: ((HomeScreenCoordinatorAction) -> Void)?
     
-    // MARK: - Setup
-    
     init(parameters: HomeScreenCoordinatorParameters) {
         self.parameters = parameters
         
         viewModel = HomeScreenViewModel(userSession: parameters.userSession,
                                         attributedStringBuilder: parameters.attributedStringBuilder)
         
-        let view = HomeScreen(context: viewModel.context)
-        hostingController = UIHostingController(rootView: view)
-        
         viewModel.callback = { [weak self] action in
             guard let self else { return }
             
@@ -74,13 +62,21 @@ final class HomeScreenCoordinator: Coordinator, Presentable {
     
     // MARK: - Public
     
-    func start() { }
-    
-    func toPresentable() -> UIViewController {
-        hostingController
+    func start() {
+        if parameters.bugReportService.crashedLastRun {
+            viewModel.presentAlert(
+                AlertInfo(id: UUID(),
+                          title: ElementL10n.sendBugReportAppCrashed,
+                          primaryButton: .init(title: ElementL10n.no, action: nil),
+                          secondaryButton: .init(title: ElementL10n.yes) { [weak self] in
+                              self?.callback?(.presentFeedbackScreen)
+                          }))
+        }
+    }
+    
+    func toPresentable() -> AnyView {
+        AnyView(HomeScreen(context: viewModel.context))
     }
-
-    func stop() { }
     
     // MARK: - Private
     
@@ -98,11 +94,6 @@ final class HomeScreenCoordinator: Coordinator, Presentable {
     }
 
     private func presentInviteFriends() {
-        guard let permalink = try? PermalinkBuilder.permalinkTo(userIdentifier: parameters.userSession.userID).absoluteString else {
-            return
-        }
-        let shareText = ElementL10n.inviteFriendsText(ElementInfoPlist.cfBundleDisplayName, permalink)
-        let vc = UIActivityViewController(activityItems: [shareText], applicationActivities: nil)
-        hostingController.present(vc, animated: true)
+        parameters.navigationController.presentSheet(InviteFriendsCoordinator(userId: parameters.userSession.userID))
     }
 }

ElementX/Sources/Screens/HomeScreen/HomeScreenModels.swift

@@ -52,7 +52,7 @@ struct HomeScreenViewState: BindableState {
     
     var rooms: [HomeScreenRoom] = []
     
-    var roomListMode: HomeScreenRoomListMode = .rooms
+    var roomListMode: HomeScreenRoomListMode = .skeletons
     
     var visibleRooms: [HomeScreenRoom] {
         if roomListMode == .skeletons {
@@ -77,6 +77,8 @@ struct HomeScreenViewState: BindableState {
 
 struct HomeScreenViewStateBindings {
     var searchQuery = ""
+    
+    var alertInfo: AlertInfo<UUID>?
 }
 
 struct HomeScreenRoom: Identifiable, Equatable {
@@ -92,15 +94,12 @@ struct HomeScreenRoom: Identifiable, Equatable {
     
     var avatar: UIImage?
     
-    var isPlaceholder = false
-    
     static func placeholder(id: String) -> HomeScreenRoom {
         HomeScreenRoom(id: id,
                        name: "Placeholder room name",
                        hasUnreads: false,
                        timestamp: "Now",
                        lastMessage: AttributedString("Last message"),
-                       avatar: UIImage(systemName: "photo"),
-                       isPlaceholder: true)
+                       avatar: UIImage(systemName: "photo"))
     }
 }

ElementX/Sources/Screens/HomeScreen/HomeScreenViewModel.swift

@@ -111,6 +111,10 @@ class HomeScreenViewModel: HomeScreenViewModelType, HomeScreenViewModelProtocol
         }
     }
     
+    func presentAlert(_ alertInfo: AlertInfo<UUID>) {
+        state.bindings.alertInfo = alertInfo
+    }
+    
     // MARK: - Private
     
     private func loadDataForRoomIdentifier(_ identifier: String) {

ElementX/Sources/Screens/HomeScreen/HomeScreenViewModelProtocol.swift

@@ -22,4 +22,6 @@ protocol HomeScreenViewModelProtocol {
     var callback: ((HomeScreenViewModelAction) -> Void)? { get set }
     
     var context: HomeScreenViewModelType.Context { get }
+    
+    func presentAlert(_ alert: AlertInfo<UUID>)
 }

ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift

@@ -28,23 +28,30 @@ struct HomeScreen: View {
                 sessionVerificationBanner
             }
             
-            LazyVStack {
-                ForEach(context.viewState.visibleRooms) { room in
-                    if room.isPlaceholder {
+            if context.viewState.roomListMode == .skeletons {
+                LazyVStack {
+                    ForEach(context.viewState.visibleRooms) { room in
                         HomeScreenRoomCell(room: room, context: context)
                             .redacted(reason: .placeholder)
                             .disabled(true)
-                    } else {
+                    }
+                }
+                .padding(.horizontal)
+            } else {
+                LazyVStack {
+                    ForEach(context.viewState.visibleRooms) { room in
                         HomeScreenRoomCell(room: room, context: context)
                     }
                 }
+                .padding(.horizontal)
+                .searchable(text: $context.searchQuery)
             }
-            .padding(.horizontal)
-            .searchable(text: $context.searchQuery)
         }
         .disabled(context.viewState.roomListMode == .skeletons)
         .animation(.elementDefault, value: context.viewState.showSessionVerificationBanner)
+        .animation(.elementDefault, value: context.viewState.roomListMode)
         .ignoresSafeArea(.all, edges: .bottom)
+        .alert(item: $context.alertInfo) { $0.alert }
         .navigationTitle(ElementL10n.allChats)
         .toolbar {
             ToolbarItem(placement: .navigationBarLeading) {