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import SwiftUI
struct MainView: View {
@EnvironmentObject var settings: SettingsManager
@State private var selectedTab: Int = 0
@State private var manager = BooruManager(.yandere)
var body: some View {
platformSpecificContent
.environmentObject(settings)
.environmentObject(manager)
.onChange(of: settings.preferredBooru) { _, newState in
updateManager(newState)
}
.onChange(of: settings.searchSuggestionsMode) { _, newState in
if newState != .disabled {
refreshTags()
}
}
.onChange(of: manager.historyIndex) { _, _ in
manager.selectedPost = nil
}
.onAppear(perform: initializeManager)
.onChange(of: settings.providerCredentials) { initializeManager() }
#if os(macOS)
.onChange(of: selectedTab) { _, newValue in
if newValue == 0 {
initializeManager()
}
}
#endif
}
@ViewBuilder private var tabViewContent: some View {
if #available(iOS 26, macOS 15.0, *) {
TabView(selection: $selectedTab) {
Tab("Posts", systemImage: "rectangle.stack", value: 0) {
ContentView(selectedTab: $selectedTab)
}
Tab("Bookmarks", systemImage: "bookmark", value: 1) {
NavigationStack {
BookmarksView(selectedTab: $selectedTab)
}
}
Tab("Settings", systemImage: "gear", value: 2) {
SettingsView()
}
}
} else {
TabView(selection: $selectedTab) {
ContentView(selectedTab: $selectedTab)
.tabItem { Label("Posts", systemImage: "rectangle.stack") }
.tag(0)
NavigationStack {
BookmarksView(selectedTab: $selectedTab)
}
.tabItem { Label("Bookmarks", systemImage: "bookmark") }
.tag(1)
SettingsView()
.tabItem { Label("Settings", systemImage: "gear") }
.tag(2)
}
}
}
@ViewBuilder private var platformSpecificContent: some View {
#if os(macOS)
ContentView(selectedTab: $selectedTab)
#else
if #available(iOS 26, *) {
tabViewContent
.tabBarMinimizeBehavior(.onScrollDown)
} else {
tabViewContent
}
#endif
}
private func updateManager(_ provider: BooruProvider) {
let previousSearchText = manager.searchText
manager = BooruManager(provider)
manager.searchText = previousSearchText
refreshTags()
Task(priority: .userInitiated) {
if manager.searchText.isEmpty {
await manager.fetchPosts()
} else {
await manager.performSearch(settings: settings)
}
}
}
private func initializeManager() {
manager = BooruManager(
settings.preferredBooru,
credentials: settings.providerCredentials
.first { $0.provider == settings.preferredBooru }
)
refreshTags()
Task(priority: .userInitiated) {
if manager.posts.isEmpty {
await manager.fetchPosts()
}
}
}
private func refreshTags() {
if settings.searchSuggestionsMode != .disabled {
manager.initializeTags()
} else {
manager.updateTagsCacheSize()
}
}
}
#Preview {
#if os(macOS)
let screenSize = NSScreen.main?.frame.size ?? CGSize(width: 1_920, height: 1_080)
let heightCoefficient = screenSize.height / 1_080
let widthCoefficient = screenSize.width / 1_440
#endif
MainView()
.environmentObject(SettingsManager())
#if os(macOS)
.frame(
width: screenSize.width / widthCoefficient,
height: screenSize.height / heightCoefficient
)
#endif
}
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