118 lines
3.3 KiB
Swift
118 lines
3.3 KiB
Swift
// Copyright © 2021 Metabolist. All rights reserved.
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import SwiftUI
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import ViewModels
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struct AppIconPreferencesView: View {
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@StateObject var viewModel: PreferencesViewModel
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@State var alertItem: AlertItem?
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var body: some View {
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ScrollView {
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LazyVGrid(columns: [
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GridItem(.flexible(minimum: .minimumButtonDimension)),
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GridItem(.flexible(minimum: .minimumButtonDimension)),
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GridItem(.flexible(minimum: .minimumButtonDimension))
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]) {
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ForEach(AppIcon.allCases) {
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cell(appIcon: $0)
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}
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}
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.padding()
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}
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.alertItem($alertItem)
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.navigationTitle("preferences.app-icon")
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}
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}
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private extension AppIconPreferencesView {
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@ViewBuilder func cell(appIcon: AppIcon) -> some View {
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Button {
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set(appIcon: appIcon)
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} label: {
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VStack {
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if let image = appIcon.image {
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image
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.cornerRadius(.defaultCornerRadius)
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.shadow(radius: .defaultShadowRadius)
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.padding(.compactSpacing)
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.background(appIcon == AppIcon.current ? Color.blue : Color.clear)
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.cornerRadius(.defaultCornerRadius)
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.padding(.top)
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}
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Text(appIcon.nameLocalizedStringKey)
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.scaledToFill()
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.minimumScaleFactor(0.5)
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.foregroundColor(.primary)
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}
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}
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}
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func set(appIcon: AppIcon) {
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UIApplication.shared.setAlternateIconName(appIcon.alternateIconName) { error in
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DispatchQueue.main.async {
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if let error = error {
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alertItem = AlertItem(error: error)
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} else {
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viewModel.objectWillChange.send()
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}
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}
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}
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}
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}
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enum AppIcon: String, CaseIterable {
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case classic = "AppIconClassic"
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case rainbow = "AppIconRainbow"
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case brutalist = "AppIconBrutalist"
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case rainbowBrutalist = "AppIconRainbowBrutalist"
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case malow = "AppIconMalow"
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}
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extension AppIcon {
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static var current: Self? { Self(rawValue: UIApplication.shared.alternateIconName ?? Self.classic.rawValue) }
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var nameLocalizedStringKey: LocalizedStringKey {
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switch self {
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case .classic:
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return "app-icon.classic"
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case .rainbow:
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return "app-icon.rainbow"
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case .brutalist:
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return "app-icon.brutalist"
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case .rainbowBrutalist:
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return "app-icon.rainbow-brutalist"
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case .malow:
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return "app-icon.malow"
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}
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}
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var alternateIconName: String? {
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switch self {
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case .classic:
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return nil
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default:
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return rawValue
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}
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}
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var image: Image? {
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guard let image = UIImage(named: rawValue) else { return nil }
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return Image(uiImage: image)
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}
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}
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extension AppIcon: Identifiable {
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var id: Self { self }
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}
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#if DEBUG
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struct AppIconPreferencesView_Previews: PreviewProvider {
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static var previews: some View {
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AppIconPreferencesView(viewModel: .init(identityContext: .preview))
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}
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}
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#endif
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