73 lines
2.3 KiB
Swift
73 lines
2.3 KiB
Swift
//
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// SettingsAppearanceTableViewCell+ViewModel.swift
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// Mastodon
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//
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// Created by MainasuK on 2022-2-8.
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//
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import UIKit
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import Combine
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import CoreDataStack
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extension SettingsAppearanceTableViewCell {
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final class ViewModel: ObservableObject {
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var disposeBag = Set<AnyCancellable>()
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private var observations = Set<NSKeyValueObservation>()
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// input
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@Published public var customUserInterfaceStyle: UIUserInterfaceStyle = .unspecified
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@Published public var preferredTrueBlackDarkMode = false
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// output
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@Published public var appearanceMode: SettingsItem.AppearanceMode = .system
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init() {
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UserDefaults.shared.observe(\.customUserInterfaceStyle, options: [.initial, .new]) { [weak self] defaults, _ in
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guard let self = self else { return }
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self.customUserInterfaceStyle = defaults.customUserInterfaceStyle
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}
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.store(in: &observations)
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}
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public func prepareForReuse() {
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// do nothing
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}
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}
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}
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extension SettingsAppearanceTableViewCell.ViewModel {
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func bind(cell: SettingsAppearanceTableViewCell) {
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Publishers.CombineLatest(
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$customUserInterfaceStyle.removeDuplicates(),
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$preferredTrueBlackDarkMode.removeDuplicates()
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)
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.debounce(for: 0.1, scheduler: DispatchQueue.main)
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.receive(on: DispatchQueue.main)
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.sink { customUserInterfaceStyle, preferredTrueBlackDarkMode in
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cell.appearanceViews.forEach { view in
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view.selected = false
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}
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switch customUserInterfaceStyle {
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case .unspecified:
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cell.systemAppearanceView.selected = true
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case .dark:
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cell.darkAppearanceView.selected = true
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case .light:
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cell.lightAppearanceView.selected = true
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@unknown default:
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assertionFailure()
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}
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}
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.store(in: &disposeBag)
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}
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}
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extension SettingsAppearanceTableViewCell {
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func configure(setting: Setting) {
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setting.publisher(for: \.preferredTrueBlackDarkMode)
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.assign(to: \.preferredTrueBlackDarkMode, on: viewModel)
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.store(in: &disposeBag)
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}
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}
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