322 lines
14 KiB
Swift
322 lines
14 KiB
Swift
//
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// ShareViewController.swift
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// MastodonShareAction
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//
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// Created by MainasuK Cirno on 2021-7-16.
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//
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import os.log
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import UIKit
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import Combine
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import MastodonUI
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import SwiftUI
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class ShareViewController: UIViewController {
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let logger = Logger(subsystem: "ShareViewController", category: "UI")
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var disposeBag = Set<AnyCancellable>()
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let viewModel = ShareViewModel()
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let publishButton: UIButton = {
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let button = RoundedEdgesButton(type: .custom)
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button.setTitle(L10n.Scene.Compose.composeAction, for: .normal)
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button.titleLabel?.font = .systemFont(ofSize: 14, weight: .bold)
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button.setBackgroundImage(.placeholder(color: Asset.Colors.brandBlue.color), for: .normal)
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button.setBackgroundImage(.placeholder(color: Asset.Colors.brandBlue.color.withAlphaComponent(0.5)), for: .highlighted)
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button.setBackgroundImage(.placeholder(color: Asset.Colors.Button.disabled.color), for: .disabled)
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button.setTitleColor(.white, for: .normal)
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button.contentEdgeInsets = UIEdgeInsets(top: 6, left: 16, bottom: 5, right: 16) // set 28pt height
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button.adjustsImageWhenHighlighted = false
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return button
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}()
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private(set) lazy var cancelBarButtonItem = UIBarButtonItem(title: L10n.Common.Controls.Actions.cancel, style: .plain, target: self, action: #selector(ShareViewController.cancelBarButtonItemPressed(_:)))
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private(set) lazy var publishBarButtonItem: UIBarButtonItem = {
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let barButtonItem = UIBarButtonItem(customView: publishButton)
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publishButton.addTarget(self, action: #selector(ShareViewController.publishBarButtonItemPressed(_:)), for: .touchUpInside)
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return barButtonItem
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}()
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let activityIndicatorBarButtonItem: UIBarButtonItem = {
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let indicatorView = UIActivityIndicatorView(style: .medium)
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let barButtonItem = UIBarButtonItem(customView: indicatorView)
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indicatorView.startAnimating()
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return barButtonItem
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}()
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let viewSafeAreaDidChange = PassthroughSubject<Void, Never>()
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let composeToolbarView = ComposeToolbarView()
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var composeToolbarViewBottomLayoutConstraint: NSLayoutConstraint!
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let composeToolbarBackgroundView = UIView()
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}
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extension ShareViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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navigationController?.presentationController?.delegate = self
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setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
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ThemeService.shared.currentTheme
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.receive(on: DispatchQueue.main)
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.sink { [weak self] theme in
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guard let self = self else { return }
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self.setupBackgroundColor(theme: theme)
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}
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.store(in: &disposeBag)
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navigationItem.leftBarButtonItem = cancelBarButtonItem
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viewModel.isBusy
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.receive(on: DispatchQueue.main)
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.sink { [weak self] isBusy in
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guard let self = self else { return }
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self.navigationItem.rightBarButtonItem = isBusy ? self.activityIndicatorBarButtonItem : self.publishBarButtonItem
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}
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.store(in: &disposeBag)
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let hostingViewController = UIHostingController(
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rootView: ComposeView().environmentObject(viewModel.composeViewModel)
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)
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addChild(hostingViewController)
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view.addSubview(hostingViewController.view)
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hostingViewController.view.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(hostingViewController.view)
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NSLayoutConstraint.activate([
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hostingViewController.view.topAnchor.constraint(equalTo: view.topAnchor),
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hostingViewController.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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hostingViewController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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hostingViewController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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])
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hostingViewController.didMove(toParent: self)
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composeToolbarView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(composeToolbarView)
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composeToolbarViewBottomLayoutConstraint = view.bottomAnchor.constraint(equalTo: composeToolbarView.bottomAnchor)
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NSLayoutConstraint.activate([
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composeToolbarView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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composeToolbarView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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composeToolbarViewBottomLayoutConstraint,
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composeToolbarView.heightAnchor.constraint(equalToConstant: ComposeToolbarView.toolbarHeight),
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])
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composeToolbarView.preservesSuperviewLayoutMargins = true
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composeToolbarView.delegate = self
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composeToolbarBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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view.insertSubview(composeToolbarBackgroundView, belowSubview: composeToolbarView)
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NSLayoutConstraint.activate([
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composeToolbarBackgroundView.topAnchor.constraint(equalTo: composeToolbarView.topAnchor),
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composeToolbarBackgroundView.leadingAnchor.constraint(equalTo: composeToolbarView.leadingAnchor),
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composeToolbarBackgroundView.trailingAnchor.constraint(equalTo: composeToolbarView.trailingAnchor),
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view.bottomAnchor.constraint(equalTo: composeToolbarBackgroundView.bottomAnchor),
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])
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// FIXME: using iOS 15 toolbar for .keyboard placement
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let keyboardEventPublishers = Publishers.CombineLatest3(
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KeyboardResponderService.shared.isShow,
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KeyboardResponderService.shared.state,
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KeyboardResponderService.shared.endFrame
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)
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Publishers.CombineLatest(
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keyboardEventPublishers,
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viewSafeAreaDidChange
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)
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.sink(receiveValue: { [weak self] keyboardEvents, _ in
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guard let self = self else { return }
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let (isShow, state, endFrame) = keyboardEvents
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guard isShow, state == .dock else {
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UIView.animate(withDuration: 0.3) {
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self.composeToolbarViewBottomLayoutConstraint.constant = self.view.safeAreaInsets.bottom
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self.view.layoutIfNeeded()
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}
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return
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}
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// isShow AND dock state
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UIView.animate(withDuration: 0.3) {
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self.composeToolbarViewBottomLayoutConstraint.constant = endFrame.height
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self.view.layoutIfNeeded()
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}
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})
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.store(in: &disposeBag)
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// bind visibility toolbar UI
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Publishers.CombineLatest(
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viewModel.selectedStatusVisibility,
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viewModel.traitCollectionDidChangePublisher
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)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] type, _ in
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guard let self = self else { return }
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let image = type.image(interfaceStyle: self.traitCollection.userInterfaceStyle)
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self.composeToolbarView.visibilityButton.setImage(image, for: .normal)
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self.composeToolbarView.activeVisibilityType.value = type
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}
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.store(in: &disposeBag)
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// bind counter
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viewModel.characterCount
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.receive(on: DispatchQueue.main)
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.sink { [weak self] characterCount in
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guard let self = self else { return }
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let count = ShareViewModel.composeContentLimit - characterCount
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self.composeToolbarView.characterCountLabel.text = "\(count)"
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switch count {
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case _ where count < 0:
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self.composeToolbarView.characterCountLabel.font = .monospacedDigitSystemFont(ofSize: 24, weight: .bold)
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self.composeToolbarView.characterCountLabel.textColor = Asset.Colors.danger.color
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self.composeToolbarView.characterCountLabel.accessibilityLabel = L10n.A11y.Plural.Count.inputLimitExceeds(abs(count))
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default:
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self.composeToolbarView.characterCountLabel.font = .monospacedDigitSystemFont(ofSize: 15, weight: .regular)
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self.composeToolbarView.characterCountLabel.textColor = Asset.Colors.Label.secondary.color
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self.composeToolbarView.characterCountLabel.accessibilityLabel = L10n.A11y.Plural.Count.inputLimitRemains(count)
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}
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}
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.store(in: &disposeBag)
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// bind valid
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viewModel.isValid
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.receive(on: DispatchQueue.main)
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.assign(to: \.isEnabled, on: publishButton)
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.store(in: &disposeBag)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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viewModel.viewDidAppear.value = true
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viewModel.inputItems.value = extensionContext?.inputItems.compactMap { $0 as? NSExtensionItem } ?? []
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viewModel.composeViewModel.viewDidAppear = true
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}
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override func viewSafeAreaInsetsDidChange() {
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super.viewSafeAreaInsetsDidChange()
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viewSafeAreaDidChange.send()
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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viewModel.traitCollectionDidChangePublisher.send()
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}
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}
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extension ShareViewController {
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private func setupBackgroundColor(theme: Theme) {
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view.backgroundColor = theme.systemElevatedBackgroundColor
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viewModel.composeViewModel.backgroundColor = theme.systemElevatedBackgroundColor
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composeToolbarBackgroundView.backgroundColor = theme.composeToolbarBackgroundColor
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let barAppearance = UINavigationBarAppearance()
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barAppearance.configureWithDefaultBackground()
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barAppearance.backgroundColor = theme.navigationBarBackgroundColor
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navigationItem.standardAppearance = barAppearance
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navigationItem.compactAppearance = barAppearance
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navigationItem.scrollEdgeAppearance = barAppearance
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}
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private func showDismissConfirmAlertController() {
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let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet) // can not use alert in extension
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let discardAction = UIAlertAction(title: L10n.Common.Controls.Actions.discard, style: .destructive) { _ in
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self.extensionContext?.cancelRequest(withError: ShareViewModel.ShareError.userCancelShare)
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}
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alertController.addAction(discardAction)
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let okAction = UIAlertAction(title: L10n.Common.Controls.Actions.ok, style: .cancel, handler: nil)
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alertController.addAction(okAction)
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self.present(alertController, animated: true, completion: nil)
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}
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}
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extension ShareViewController {
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@objc private func cancelBarButtonItemPressed(_ sender: UIBarButtonItem) {
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logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
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showDismissConfirmAlertController()
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}
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@objc private func publishBarButtonItemPressed(_ sender: UIBarButtonItem) {
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logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
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viewModel.isPublishing.value = true
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viewModel.publish()
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.delay(for: 2, scheduler: DispatchQueue.main)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] completion in
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guard let self = self else { return }
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self.viewModel.isPublishing.value = false
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switch completion {
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case .failure:
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let alertController = UIAlertController(
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title: L10n.Common.Alerts.PublishPostFailure.title,
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message: L10n.Common.Alerts.PublishPostFailure.message,
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preferredStyle: .actionSheet // can not use alert in extension
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)
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let okAction = UIAlertAction(
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title: L10n.Common.Controls.Actions.ok,
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style: .cancel,
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handler: nil
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)
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alertController.addAction(okAction)
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self.present(alertController, animated: true, completion: nil)
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case .finished:
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self.publishButton.setTitle(L10n.Common.Controls.Actions.done, for: .normal)
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self.publishButton.isUserInteractionEnabled = false
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DispatchQueue.main.asyncAfter(deadline: .now() + 1) { [weak self] in
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guard let self = self else { return }
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self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
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}
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}
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} receiveValue: { response in
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// do nothing
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}
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.store(in: &disposeBag)
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}
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}
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// MARK - ComposeToolbarViewDelegate
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extension ShareViewController: ComposeToolbarViewDelegate {
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func composeToolbarView(_ composeToolbarView: ComposeToolbarView, contentWarningButtonDidPressed sender: UIButton) {
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logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
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withAnimation {
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viewModel.composeViewModel.isContentWarningComposing.toggle()
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}
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}
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func composeToolbarView(_ composeToolbarView: ComposeToolbarView, visibilityButtonDidPressed sender: UIButton, visibilitySelectionType type: ComposeToolbarView.VisibilitySelectionType) {
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logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
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viewModel.selectedStatusVisibility.value = type
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}
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}
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// MARK: - UIAdaptivePresentationControllerDelegate
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extension ShareViewController: UIAdaptivePresentationControllerDelegate {
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func presentationControllerShouldDismiss(_ presentationController: UIPresentationController) -> Bool {
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return viewModel.shouldDismiss.value
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}
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func presentationControllerDidAttemptToDismiss(_ presentationController: UIPresentationController) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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showDismissConfirmAlertController()
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}
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func presentationControllerDidDismiss(_ presentationController: UIPresentationController) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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}
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}
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