import Defaults import SwiftUI struct AppTabNavigation: View { @EnvironmentObject private var accounts @EnvironmentObject private var comments @EnvironmentObject private var instances @EnvironmentObject private var navigation @EnvironmentObject private var player @EnvironmentObject private var playlists @EnvironmentObject private var recents @EnvironmentObject private var search @EnvironmentObject private var subscriptions @EnvironmentObject private var thumbnailsModel @Default(.visibleSections) private var visibleSections let persistenceController = PersistenceController.shared var body: some View { TabView(selection: navigation.tabSelectionBinding) { if visibleSections.contains(.favorites) { favoritesNavigationView } if subscriptionsVisible { subscriptionsNavigationView } if visibleSections.contains(.popular), accounts.app.supportsPopular, visibleSections.count < 5 { popularNavigationView } if visibleSections.contains(.trending) { trendingNavigationView } if playlistsVisible { playlistsNavigationView } searchNavigationView } .id(accounts.current?.id ?? "") .overlay(playlistView) .overlay(channelView) .environment(\.navigationStyle, .tab) } private var favoritesNavigationView: some View { NavigationView { LazyView(FavoritesView()) .toolbar { toolbarContent } } .tabItem { Label("Favorites", systemImage: "heart.fill") .accessibility(label: Text("Favorites")) } .tag(TabSelection.favorites) } private var subscriptionsNavigationView: some View { NavigationView { LazyView(SubscriptionsView()) .toolbar { toolbarContent } } .tabItem { Label("Subscriptions", systemImage: "star.circle.fill") .accessibility(label: Text("Subscriptions")) } .tag(TabSelection.subscriptions) } private var subscriptionsVisible: Bool { visibleSections.contains(.subscriptions) && accounts.app.supportsSubscriptions && !(accounts.current?.anonymous ?? true) } private var playlistsVisible: Bool { visibleSections.contains(.playlists) && accounts.app.supportsUserPlaylists && !(accounts.current?.anonymous ?? true) } private var popularNavigationView: some View { NavigationView { LazyView(PopularView()) .toolbar { toolbarContent } } .tabItem { Label("Popular", systemImage: "arrow.up.right.circle.fill") .accessibility(label: Text("Popular")) } .tag(TabSelection.popular) } private var trendingNavigationView: some View { NavigationView { LazyView(TrendingView()) .toolbar { toolbarContent } } .tabItem { Label("Trending", systemImage: "chart.bar.fill") .accessibility(label: Text("Trending")) } .tag(TabSelection.trending) } private var playlistsNavigationView: some View { NavigationView { LazyView(PlaylistsView()) .toolbar { toolbarContent } } .tabItem { Label("Playlists", systemImage: "list.and.film") .accessibility(label: Text("Playlists")) } .tag(TabSelection.playlists) } private var searchNavigationView: some View { NavigationView { LazyView(SearchView()) .toolbar { toolbarContent } } .tabItem { Label("Search", systemImage: "magnifyingglass") .accessibility(label: Text("Search")) } .tag(TabSelection.search) } var toolbarContent: some ToolbarContent { #if os(iOS) Group { ToolbarItemGroup(placement: .navigationBarLeading) { Button(action: { navigation.presentingSettings = true }) { Image(systemName: "gearshape.2") } } ToolbarItemGroup(placement: .navigationBarTrailing) { AccountsMenuView() } } #endif } @ViewBuilder private var channelView: some View { if navigation.presentingChannel { ChannelVideosView() .environment(\.managedObjectContext, persistenceController.container.viewContext) .environment(\.inChannelView, true) .environment(\.navigationStyle, .tab) .environmentObject(accounts) .environmentObject(navigation) .environmentObject(player) .environmentObject(subscriptions) .environmentObject(thumbnailsModel) .id("channelVideos") .zIndex(player.presentingPlayer ? -1 : 2) .transition(.move(edge: .bottom)) } } @ViewBuilder private var playlistView: some View { if navigation.presentingPlaylist { ChannelPlaylistView() .environment(\.managedObjectContext, persistenceController.container.viewContext) .environmentObject(accounts) .environmentObject(navigation) .environmentObject(player) .environmentObject(subscriptions) .environmentObject(thumbnailsModel) .id("channelPlaylist") .zIndex(player.presentingPlayer ? -1 : 1) .transition(.move(edge: .bottom)) } } }