99 lines
2.2 KiB
Swift
99 lines
2.2 KiB
Swift
//
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// MAThemeManager.swift
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// Mobile Music Assistant
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//
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// Created by Sven Hanold on 26.03.26.
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//
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import SwiftUI
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@Observable
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class MAThemeManager {
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var colorScheme: AppColorScheme {
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didSet {
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UserDefaults.standard.set(colorScheme.rawValue, forKey: "appColorScheme")
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}
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}
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init() {
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let savedValue = UserDefaults.standard.string(forKey: "appColorScheme") ?? "dark"
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colorScheme = AppColorScheme(rawValue: savedValue) ?? .dark
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}
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var preferredColorScheme: ColorScheme? {
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switch colorScheme {
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case .system:
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return nil
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case .light:
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return .light
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case .dark:
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return .dark
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}
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}
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}
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enum AppColorScheme: String, CaseIterable, Identifiable {
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case system = "system"
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case light = "light"
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case dark = "dark"
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var id: String { rawValue }
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var displayName: LocalizedStringKey {
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switch self {
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case .system: return "System"
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case .light: return "Light"
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case .dark: return "Dark"
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}
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}
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var description: LocalizedStringKey {
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switch self {
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case .system: return "Follows your device's appearance"
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case .light: return "Always use light mode"
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case .dark: return "Always use dark mode"
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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 .system:
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return "circle.lefthalf.filled"
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case .light:
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return "sun.max.fill"
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case .dark:
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return "moon.fill"
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}
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}
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}
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// MARK: - Environment Key
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private struct ThemeManagerKey: EnvironmentKey {
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static let defaultValue = MAThemeManager()
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}
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extension EnvironmentValues {
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var themeManager: MAThemeManager {
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get { self[ThemeManagerKey.self] }
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set { self[ThemeManagerKey.self] = newValue }
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}
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}
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// MARK: - Theme Applied Modifier
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struct ThemeAppliedModifier: ViewModifier {
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@Environment(\.themeManager) var themeManager
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func body(content: Content) -> some View {
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content
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.preferredColorScheme(themeManager.preferredColorScheme)
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}
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}
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extension View {
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func applyTheme() -> some View {
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modifier(ThemeAppliedModifier())
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}
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}
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