136 lines
3.5 KiB
Swift
136 lines
3.5 KiB
Swift
import SwiftUI
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enum AppTab: String, Identifiable {
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case home
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case movie
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case series
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case variety
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case anime
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case search
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case settings
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var id: String { rawValue }
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var title: String {
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switch self {
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case .home: return "首页"
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case .movie: return "电影"
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case .series: return "电视剧"
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case .variety: return "综艺"
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case .anime: return "动漫"
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case .search: return "搜索"
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case .settings: return "设置"
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}
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}
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var icon: String {
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switch self {
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case .home: return "house"
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case .movie: return "film"
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case .series: return "tv"
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case .variety: return "theatermasks"
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case .anime: return "sparkles"
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case .search: return "magnifyingglass"
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case .settings: return "gearshape"
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}
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}
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var category: ContentCategory? {
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switch self {
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case .movie: return .movie
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case .series: return .series
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case .variety: return .variety
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case .anime: return .anime
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default: return nil
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}
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}
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static var visibleTabs: [AppTab] {
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#if os(tvOS)
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return [.home, .movie, .series, .variety, .anime, .search, .settings]
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#else
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return [.home, .movie, .series, .variety, .anime, .settings]
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#endif
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}
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}
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struct AppNavigation: View {
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@State private var selectedTab: AppTab = .home
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// 持有各 tab 的 ViewModel，切换 tab 不丢失状态
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@State private var homeVM = HomeViewModel()
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@State private var movieVM = BrowseViewModel()
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@State private var seriesVM = BrowseViewModel()
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@State private var varietyVM = BrowseViewModel()
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@State private var animeVM = BrowseViewModel()
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var body: some View {
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#if os(macOS)
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sidebarLayout
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#elseif os(tvOS)
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tabLayout
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#elseif os(visionOS)
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sidebarLayout
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#else
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if UIDevice.current.userInterfaceIdiom == .pad {
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sidebarLayout
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} else {
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tabLayout
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}
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#endif
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}
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private var tabLayout: some View {
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TabView(selection: $selectedTab) {
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ForEach(AppTab.visibleTabs) { tab in
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NavigationStack {
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tabContent(for: tab)
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}
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.tabItem {
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Label(tab.title, systemImage: tab.icon)
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}
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.tag(tab)
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}
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}
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}
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#if !os(tvOS)
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private var sidebarLayout: some View {
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NavigationSplitView {
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List(AppTab.visibleTabs, selection: $selectedTab) { tab in
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Label(tab.title, systemImage: tab.icon)
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.tag(tab)
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}
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.navigationTitle("低端影视")
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} detail: {
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NavigationStack {
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tabContent(for: selectedTab)
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}
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}
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}
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#endif
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@ViewBuilder
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private func tabContent(for tab: AppTab) -> some View {
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switch tab {
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case .home:
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HomeView(viewModel: homeVM)
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case .movie:
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BrowseView(category: .movie, viewModel: movieVM)
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case .series:
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BrowseView(category: .series, viewModel: seriesVM)
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case .variety:
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BrowseView(category: .variety, viewModel: varietyVM)
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case .anime:
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BrowseView(category: .anime, viewModel: animeVM)
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case .search:
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#if os(tvOS)
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TVSearchView()
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#else
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EmptyView()
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#endif
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case .settings:
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SettingsView()
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}
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}
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}
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