97 lines
3.5 KiB
Swift
97 lines
3.5 KiB
Swift
//
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// ReportReasonViewController.swift
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// Mastodon
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//
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// Created by MainasuK on 2022-5-10.
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//
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import UIKit
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import SwiftUI
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import Combine
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import MastodonUI
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import MastodonAsset
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import MastodonCore
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import MastodonLocalization
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protocol ReportReasonViewControllerDelegate: AnyObject {
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func reportReasonViewController(_ viewController: ReportReasonViewController, nextButtonPressed button: UIButton)
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}
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final class ReportReasonViewController: UIViewController, NeedsDependency, ReportViewControllerAppearance {
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weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
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weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
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var disposeBag = Set<AnyCancellable>()
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private var observations = Set<NSKeyValueObservation>()
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let viewModel: ReportReasonViewModel
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let reportReasonView: ReportReasonView
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let navigationActionView: NavigationActionView = {
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let navigationActionView = NavigationActionView()
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navigationActionView.backgroundColor = Asset.Scene.Onboarding.background.color
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navigationActionView.hidesBackButton = true
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return navigationActionView
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}()
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init(viewModel: ReportReasonViewModel) {
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self.viewModel = viewModel
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reportReasonView = ReportReasonView(viewModel: viewModel)
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super.init(nibName: nil, bundle: nil)
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}
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required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
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override func viewDidLoad() {
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super.viewDidLoad()
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setupAppearance()
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defer { setupNavigationBarBackgroundView() }
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let hostingViewController = UIHostingController(rootView: reportReasonView)
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hostingViewController.view.preservesSuperviewLayoutMargins = true
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addChild(hostingViewController)
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hostingViewController.view.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(hostingViewController.view)
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hostingViewController.view.pinToParent()
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navigationActionView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(navigationActionView)
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defer {
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view.bringSubviewToFront(navigationActionView)
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}
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NSLayoutConstraint.activate([
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navigationActionView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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navigationActionView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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view.bottomAnchor.constraint(equalTo: navigationActionView.bottomAnchor),
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])
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navigationActionView
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.observe(\.bounds, options: [.initial, .new]) { [weak self] navigationActionView, _ in
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guard let self = self else { return }
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let inset = navigationActionView.frame.height
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self.viewModel.bottomPaddingHeight = inset
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}
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.store(in: &observations)
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viewModel.$selectReason
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.map { $0 != nil }
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.assign(to: \.isEnabled, on: navigationActionView.nextButton)
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.store(in: &disposeBag)
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navigationActionView.nextButton.addTarget(self, action: #selector(ReportReasonViewController.nextButtonPressed(_:)), for: .touchUpInside)
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}
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}
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extension ReportReasonViewController {
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@objc private func nextButtonPressed(_ sender: UIButton) {
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assert(viewModel.delegate != nil)
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viewModel.delegate?.reportReasonViewController(self, nextButtonPressed: sender)
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}
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}
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