Kurdtvs-Live-Kurdish-TV-Kur.../ShareActionExtension/Scene/ShareViewController.swift

324 lines
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Swift
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2021-07-19 11:12:45 +02:00
//
// ShareViewController.swift
// MastodonShareAction
//
// Created by MainasuK Cirno on 2021-7-16.
//
import os.log
import UIKit
import Combine
import MastodonUI
import SwiftUI
import MastodonAsset
import MastodonLocalization
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class ShareViewController: UIViewController {
let logger = Logger(subsystem: "ShareViewController", category: "UI")
var disposeBag = Set<AnyCancellable>()
let viewModel = ShareViewModel()
let publishButton: UIButton = {
let button = RoundedEdgesButton(type: .custom)
button.setTitle(L10n.Scene.Compose.composeAction, for: .normal)
button.titleLabel?.font = .systemFont(ofSize: 14, weight: .bold)
button.setBackgroundImage(.placeholder(color: Asset.Colors.brandBlue.color), for: .normal)
button.setBackgroundImage(.placeholder(color: Asset.Colors.brandBlue.color.withAlphaComponent(0.5)), for: .highlighted)
button.setBackgroundImage(.placeholder(color: Asset.Colors.Button.disabled.color), for: .disabled)
button.setTitleColor(.white, for: .normal)
button.contentEdgeInsets = UIEdgeInsets(top: 6, left: 16, bottom: 5, right: 16) // set 28pt height
button.adjustsImageWhenHighlighted = false
return button
}()
private(set) lazy var cancelBarButtonItem = UIBarButtonItem(title: L10n.Common.Controls.Actions.cancel, style: .plain, target: self, action: #selector(ShareViewController.cancelBarButtonItemPressed(_:)))
private(set) lazy var publishBarButtonItem: UIBarButtonItem = {
let barButtonItem = UIBarButtonItem(customView: publishButton)
publishButton.addTarget(self, action: #selector(ShareViewController.publishBarButtonItemPressed(_:)), for: .touchUpInside)
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return barButtonItem
}()
let activityIndicatorBarButtonItem: UIBarButtonItem = {
let indicatorView = UIActivityIndicatorView(style: .medium)
let barButtonItem = UIBarButtonItem(customView: indicatorView)
indicatorView.startAnimating()
return barButtonItem
}()
let viewSafeAreaDidChange = PassthroughSubject<Void, Never>()
let composeToolbarView = ComposeToolbarView()
var composeToolbarViewBottomLayoutConstraint: NSLayoutConstraint!
let composeToolbarBackgroundView = UIView()
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}
extension ShareViewController {
override func viewDidLoad() {
super.viewDidLoad()
navigationController?.presentationController?.delegate = self
setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
ThemeService.shared.currentTheme
.receive(on: DispatchQueue.main)
.sink { [weak self] theme in
guard let self = self else { return }
self.setupBackgroundColor(theme: theme)
}
.store(in: &disposeBag)
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navigationItem.leftBarButtonItem = cancelBarButtonItem
viewModel.isBusy
.receive(on: DispatchQueue.main)
.sink { [weak self] isBusy in
guard let self = self else { return }
self.navigationItem.rightBarButtonItem = isBusy ? self.activityIndicatorBarButtonItem : self.publishBarButtonItem
}
.store(in: &disposeBag)
let hostingViewController = UIHostingController(
rootView: ComposeView().environmentObject(viewModel.composeViewModel)
)
addChild(hostingViewController)
view.addSubview(hostingViewController.view)
hostingViewController.view.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(hostingViewController.view)
NSLayoutConstraint.activate([
hostingViewController.view.topAnchor.constraint(equalTo: view.topAnchor),
hostingViewController.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
hostingViewController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
hostingViewController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
])
hostingViewController.didMove(toParent: self)
composeToolbarView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(composeToolbarView)
composeToolbarViewBottomLayoutConstraint = view.bottomAnchor.constraint(equalTo: composeToolbarView.bottomAnchor)
NSLayoutConstraint.activate([
composeToolbarView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
composeToolbarView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
composeToolbarViewBottomLayoutConstraint,
composeToolbarView.heightAnchor.constraint(equalToConstant: ComposeToolbarView.toolbarHeight),
])
composeToolbarView.preservesSuperviewLayoutMargins = true
composeToolbarView.delegate = self
composeToolbarBackgroundView.translatesAutoresizingMaskIntoConstraints = false
view.insertSubview(composeToolbarBackgroundView, belowSubview: composeToolbarView)
NSLayoutConstraint.activate([
composeToolbarBackgroundView.topAnchor.constraint(equalTo: composeToolbarView.topAnchor),
composeToolbarBackgroundView.leadingAnchor.constraint(equalTo: composeToolbarView.leadingAnchor),
composeToolbarBackgroundView.trailingAnchor.constraint(equalTo: composeToolbarView.trailingAnchor),
view.bottomAnchor.constraint(equalTo: composeToolbarBackgroundView.bottomAnchor),
])
// FIXME: using iOS 15 toolbar for .keyboard placement
let keyboardEventPublishers = Publishers.CombineLatest3(
KeyboardResponderService.shared.isShow,
KeyboardResponderService.shared.state,
KeyboardResponderService.shared.endFrame
)
Publishers.CombineLatest(
keyboardEventPublishers,
viewSafeAreaDidChange
)
.sink(receiveValue: { [weak self] keyboardEvents, _ in
guard let self = self else { return }
let (isShow, state, endFrame) = keyboardEvents
guard isShow, state == .dock else {
UIView.animate(withDuration: 0.3) {
self.composeToolbarViewBottomLayoutConstraint.constant = self.view.safeAreaInsets.bottom
self.view.layoutIfNeeded()
}
return
}
// isShow AND dock state
UIView.animate(withDuration: 0.3) {
self.composeToolbarViewBottomLayoutConstraint.constant = endFrame.height
self.view.layoutIfNeeded()
}
})
.store(in: &disposeBag)
// bind visibility toolbar UI
Publishers.CombineLatest(
viewModel.selectedStatusVisibility,
viewModel.traitCollectionDidChangePublisher
)
.receive(on: DispatchQueue.main)
.sink { [weak self] type, _ in
guard let self = self else { return }
let image = type.image(interfaceStyle: self.traitCollection.userInterfaceStyle)
self.composeToolbarView.visibilityButton.setImage(image, for: .normal)
self.composeToolbarView.activeVisibilityType.value = type
}
.store(in: &disposeBag)
// bind counter
viewModel.characterCount
.receive(on: DispatchQueue.main)
.sink { [weak self] characterCount in
guard let self = self else { return }
let count = ShareViewModel.composeContentLimit - characterCount
self.composeToolbarView.characterCountLabel.text = "\(count)"
switch count {
case _ where count < 0:
self.composeToolbarView.characterCountLabel.font = .monospacedDigitSystemFont(ofSize: 24, weight: .bold)
self.composeToolbarView.characterCountLabel.textColor = Asset.Colors.danger.color
self.composeToolbarView.characterCountLabel.accessibilityLabel = L10n.A11y.Plural.Count.inputLimitExceeds(abs(count))
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default:
self.composeToolbarView.characterCountLabel.font = .monospacedDigitSystemFont(ofSize: 15, weight: .regular)
self.composeToolbarView.characterCountLabel.textColor = Asset.Colors.Label.secondary.color
self.composeToolbarView.characterCountLabel.accessibilityLabel = L10n.A11y.Plural.Count.inputLimitRemains(count)
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}
}
.store(in: &disposeBag)
// bind valid
viewModel.isValid
.receive(on: DispatchQueue.main)
.assign(to: \.isEnabled, on: publishButton)
.store(in: &disposeBag)
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}
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
viewModel.viewDidAppear.value = true
viewModel.inputItems.value = extensionContext?.inputItems.compactMap { $0 as? NSExtensionItem } ?? []
viewModel.composeViewModel.viewDidAppear = true
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}
override func viewSafeAreaInsetsDidChange() {
super.viewSafeAreaInsetsDidChange()
viewSafeAreaDidChange.send()
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
viewModel.traitCollectionDidChangePublisher.send()
}
}
extension ShareViewController {
private func setupBackgroundColor(theme: Theme) {
view.backgroundColor = theme.systemElevatedBackgroundColor
viewModel.composeViewModel.backgroundColor = theme.systemElevatedBackgroundColor
composeToolbarBackgroundView.backgroundColor = theme.composeToolbarBackgroundColor
let barAppearance = UINavigationBarAppearance()
barAppearance.configureWithDefaultBackground()
barAppearance.backgroundColor = theme.navigationBarBackgroundColor
navigationItem.standardAppearance = barAppearance
navigationItem.compactAppearance = barAppearance
navigationItem.scrollEdgeAppearance = barAppearance
}
private func showDismissConfirmAlertController() {
let alertController = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet) // can not use alert in extension
let discardAction = UIAlertAction(title: L10n.Common.Controls.Actions.discard, style: .destructive) { _ in
self.extensionContext?.cancelRequest(withError: ShareViewModel.ShareError.userCancelShare)
}
alertController.addAction(discardAction)
let okAction = UIAlertAction(title: L10n.Common.Controls.Actions.ok, style: .cancel, handler: nil)
alertController.addAction(okAction)
self.present(alertController, animated: true, completion: nil)
}
}
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extension ShareViewController {
@objc private func cancelBarButtonItemPressed(_ sender: UIBarButtonItem) {
logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
showDismissConfirmAlertController()
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}
@objc private func publishBarButtonItemPressed(_ sender: UIBarButtonItem) {
logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
viewModel.isPublishing.value = true
viewModel.publish()
.delay(for: 2, scheduler: DispatchQueue.main)
.receive(on: DispatchQueue.main)
.sink { [weak self] completion in
guard let self = self else { return }
self.viewModel.isPublishing.value = false
switch completion {
case .failure:
let alertController = UIAlertController(
title: L10n.Common.Alerts.PublishPostFailure.title,
message: L10n.Common.Alerts.PublishPostFailure.message,
preferredStyle: .actionSheet // can not use alert in extension
)
let okAction = UIAlertAction(
title: L10n.Common.Controls.Actions.ok,
style: .cancel,
handler: nil
)
alertController.addAction(okAction)
self.present(alertController, animated: true, completion: nil)
case .finished:
self.publishButton.setTitle(L10n.Common.Controls.Actions.done, for: .normal)
self.publishButton.isUserInteractionEnabled = false
DispatchQueue.main.asyncAfter(deadline: .now() + 1) { [weak self] in
guard let self = self else { return }
self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
}
}
} receiveValue: { response in
// do nothing
}
.store(in: &disposeBag)
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}
}
// MARK - ComposeToolbarViewDelegate
extension ShareViewController: ComposeToolbarViewDelegate {
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, contentWarningButtonDidPressed sender: UIButton) {
logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
withAnimation {
viewModel.composeViewModel.isContentWarningComposing.toggle()
}
}
func composeToolbarView(_ composeToolbarView: ComposeToolbarView, visibilityButtonDidPressed sender: UIButton, visibilitySelectionType type: ComposeToolbarView.VisibilitySelectionType) {
logger.debug("\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public)")
viewModel.selectedStatusVisibility.value = type
}
}
// MARK: - UIAdaptivePresentationControllerDelegate
extension ShareViewController: UIAdaptivePresentationControllerDelegate {
func presentationControllerShouldDismiss(_ presentationController: UIPresentationController) -> Bool {
return viewModel.shouldDismiss.value
}
func presentationControllerDidAttemptToDismiss(_ presentationController: UIPresentationController) {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
showDismissConfirmAlertController()
}
func presentationControllerDidDismiss(_ presentationController: UIPresentationController) {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
}
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}