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Yattee v2 rewrite
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Arkadiusz Fal
339
Yattee/Views/Navigation/CompactTabView.swift
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339
Yattee/Views/Navigation/CompactTabView.swift
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//
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// CompactTabView.swift
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// Yattee
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//
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// Custom tab bar for compact size class (iPhone, iPad Stage Manager small window).
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// Uses settings-based tab customization since Apple's TabViewCustomization only works in sidebar mode.
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//
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import SwiftUI
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#if os(iOS)
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struct CompactTabView: View {
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@Environment(\.appEnvironment) private var appEnvironment
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// Navigation paths for fixed tabs
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@State private var homePath = NavigationPath()
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@State private var searchPath = NavigationPath()
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// Navigation paths for dynamic tabs
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@State private var subscriptionsPath = NavigationPath()
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@State private var channelsPath = NavigationPath()
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@State private var bookmarksPath = NavigationPath()
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@State private var playlistsPath = NavigationPath()
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@State private var historyPath = NavigationPath()
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@State private var downloadsPath = NavigationPath()
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@State private var sourcesPath = NavigationPath()
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@State private var settingsPath = NavigationPath()
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// Tab selection - using String to support both fixed and dynamic tabs
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// Initial value is a placeholder; actual startup tab is applied in onAppear
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@State private var selectedTab: String = "home"
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@State private var hasAppliedStartupTab = false
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// Search text state (iOS 26+ TabView .searchable integration)
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@State private var searchText = ""
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// Zoom transition namespace (local to this tab view)
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@Namespace private var zoomTransition
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private var settingsManager: SettingsManager? {
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appEnvironment?.settingsManager
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}
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private var navigationCoordinator: NavigationCoordinator? {
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appEnvironment?.navigationCoordinator
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}
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/// Returns the visible custom tabs from settings
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private var visibleTabItems: [TabBarItem] {
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settingsManager?.visibleTabBarItems() ?? []
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}
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/// Whether to show the mini player accessory (iOS 26.1+)
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private var shouldShowAccessory: Bool {
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guard let state = appEnvironment?.playerService.state else { return false }
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return state.currentVideo != nil && !state.isClosingVideo
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}
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private var zoomTransitionsEnabled: Bool {
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appEnvironment?.settingsManager.zoomTransitionsEnabled ?? true
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}
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var body: some View {
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TabView(selection: $selectedTab) {
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// Fixed: Home (first)
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Tab(value: "home") {
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NavigationStack(path: $homePath) {
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HomeView()
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.withNavigationDestinations()
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}
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} label: {
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Label(String(localized: "tabs.home"), systemImage: "house.fill")
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}
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.accessibilityIdentifier("tab.home")
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// Dynamic tabs from settings (in the middle, SwiftUI auto-collapses overflow into More)
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ForEach(visibleTabItems) { item in
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Tab(value: item.rawValue) {
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tabContent(for: item)
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} label: {
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Label(item.localizedTitle, systemImage: item.icon)
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}
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}
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// Fixed: Search (last) - with role: .search
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Tab(value: "search", role: .search) {
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NavigationStack(path: $searchPath) {
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SearchView(searchText: $searchText)
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.withNavigationDestinations()
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}
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} label: {
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Label(String(localized: "tabs.search"), systemImage: "magnifyingglass")
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}
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.accessibilityIdentifier("tab.search")
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}
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.zoomTransitionNamespace(zoomTransition)
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.zoomTransitionsEnabled(zoomTransitionsEnabled)
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.iOS26TabFeatures(shouldShowAccessory: shouldShowAccessory, settingsManager: settingsManager)
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.onChange(of: navigationCoordinator?.pendingNavigation) { _, newValue in
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handlePendingNavigation(newValue)
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}
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.onChange(of: selectedTab) { _, newTab in
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updateHandoffForTab(newTab)
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syncTabToCoordinator(newTab)
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}
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.onChange(of: navigationCoordinator?.selectedTab) { _, newTab in
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syncTabFromCoordinator(newTab)
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}
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.onAppear {
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applyStartupTabIfNeeded()
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}
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}
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// MARK: - Startup Tab
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/// Applies the configured startup tab on first appearance.
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private func applyStartupTabIfNeeded() {
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guard !hasAppliedStartupTab else { return }
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hasAppliedStartupTab = true
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let startupTab = settingsManager?.effectiveStartupTabForTabBar() ?? .home
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selectedTab = startupTab.compactTabValue
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}
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// MARK: - Handoff
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/// Updates Handoff activity based on the selected tab.
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private func updateHandoffForTab(_ tab: String) {
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let destination: NavigationDestination?
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switch tab {
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case "home":
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// Home tab - use playlists as default (matches HomeView's primary content)
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destination = .playlists
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case "search":
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// Search updates handoff when a search is performed
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destination = nil
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case TabBarItem.subscriptions.rawValue:
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destination = .subscriptionsFeed
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case TabBarItem.channels.rawValue:
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destination = .manageChannels
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case TabBarItem.bookmarks.rawValue:
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destination = .bookmarks
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case TabBarItem.playlists.rawValue:
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destination = .playlists
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case TabBarItem.history.rawValue:
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destination = .history
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case TabBarItem.downloads.rawValue:
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destination = .downloads
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case TabBarItem.sources.rawValue:
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destination = nil // No handoff for sources
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case TabBarItem.settings.rawValue:
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destination = nil // No handoff for settings
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default:
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destination = nil
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}
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if let destination {
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appEnvironment?.handoffManager.updateActivity(for: destination)
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}
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}
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// MARK: - Tab Sync with NavigationCoordinator
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/// Syncs NavigationCoordinator's selectedTab to local state (coordinator → local).
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/// Called when NavigationCoordinator.selectedTab changes (e.g., from notification tap).
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private func syncTabFromCoordinator(_ appTab: AppTab?) {
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guard let appTab else { return }
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switch appTab {
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case .home:
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if selectedTab != "home" {
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selectedTab = "home"
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}
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case .subscriptions:
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if visibleTabItems.contains(.subscriptions) {
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// Subscriptions tab is visible - switch to it
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let tabValue = TabBarItem.subscriptions.rawValue
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if selectedTab != tabValue {
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selectedTab = tabValue
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}
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} else {
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// Subscriptions tab not visible - push subscriptions view onto current stack
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pushSubscriptionsOnCurrentStack()
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}
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case .search:
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if selectedTab != "search" {
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selectedTab = "search"
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}
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#if os(tvOS)
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case .settings:
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break
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#endif
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}
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}
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/// Syncs local selectedTab to NavigationCoordinator (local → coordinator).
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/// Called when user manually switches tabs.
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private func syncTabToCoordinator(_ tab: String) {
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guard let coordinator = navigationCoordinator else { return }
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let appTab: AppTab
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switch tab {
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case "home":
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appTab = .home
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case "search":
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appTab = .search
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case TabBarItem.subscriptions.rawValue:
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appTab = .subscriptions
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default:
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// Other tabs (channels, bookmarks, downloads, etc.) don't have AppTab equivalents
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// Don't update coordinator - just return to avoid feedback loop
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return
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}
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if coordinator.selectedTab != appTab {
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coordinator.selectedTab = appTab
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}
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}
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/// Pushes the subscriptions feed onto the current tab's navigation stack.
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/// Used when subscriptions tab is not visible but we need to navigate to subscriptions.
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private func pushSubscriptionsOnCurrentStack() {
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let destination = NavigationDestination.subscriptionsFeed
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switch selectedTab {
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case "home":
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homePath.append(destination)
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case "search":
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searchPath.append(destination)
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case TabBarItem.channels.rawValue:
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channelsPath.append(destination)
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case TabBarItem.bookmarks.rawValue:
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bookmarksPath.append(destination)
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case TabBarItem.playlists.rawValue:
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playlistsPath.append(destination)
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case TabBarItem.history.rawValue:
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historyPath.append(destination)
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case TabBarItem.downloads.rawValue:
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downloadsPath.append(destination)
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case TabBarItem.sources.rawValue:
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sourcesPath.append(destination)
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case TabBarItem.settings.rawValue:
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settingsPath.append(destination)
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default:
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homePath.append(destination)
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}
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}
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// MARK: - Tab Content
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@ViewBuilder
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private func tabContent(for item: TabBarItem) -> some View {
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switch item {
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case .subscriptions:
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NavigationStack(path: $subscriptionsPath) {
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SubscriptionsView()
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.withNavigationDestinations()
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}
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case .channels:
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NavigationStack(path: $channelsPath) {
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ManageChannelsView()
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.withNavigationDestinations()
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}
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case .bookmarks:
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NavigationStack(path: $bookmarksPath) {
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BookmarksListView()
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.withNavigationDestinations()
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}
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case .playlists:
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NavigationStack(path: $playlistsPath) {
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PlaylistsListView()
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.withNavigationDestinations()
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}
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case .history:
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NavigationStack(path: $historyPath) {
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HistoryListView()
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.withNavigationDestinations()
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}
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case .downloads:
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NavigationStack(path: $downloadsPath) {
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DownloadsView()
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.withNavigationDestinations()
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}
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case .sources:
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NavigationStack(path: $sourcesPath) {
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MediaSourcesView()
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.withNavigationDestinations()
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}
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case .settings:
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NavigationStack(path: $settingsPath) {
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SettingsView(showCloseButton: false)
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.withNavigationDestinations()
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}
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}
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}
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// MARK: - Navigation Handling
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private func handlePendingNavigation(_ destination: NavigationDestination?) {
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guard let destination else { return }
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// Append to the current tab's path
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switch selectedTab {
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case "home":
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homePath.append(destination)
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case "search":
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searchPath.append(destination)
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case TabBarItem.subscriptions.rawValue:
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subscriptionsPath.append(destination)
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case TabBarItem.channels.rawValue:
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channelsPath.append(destination)
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case TabBarItem.bookmarks.rawValue:
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bookmarksPath.append(destination)
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case TabBarItem.playlists.rawValue:
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playlistsPath.append(destination)
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case TabBarItem.history.rawValue:
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historyPath.append(destination)
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case TabBarItem.downloads.rawValue:
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downloadsPath.append(destination)
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case TabBarItem.sources.rawValue:
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sourcesPath.append(destination)
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case TabBarItem.settings.rawValue:
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settingsPath.append(destination)
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default:
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// Fallback to home
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homePath.append(destination)
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}
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navigationCoordinator?.clearPendingNavigation()
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}
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}
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// MARK: - Preview
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#Preview {
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CompactTabView()
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.appEnvironment(.preview)
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}
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#endif
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