331 lines
14 KiB
Swift
331 lines
14 KiB
Swift
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//
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// ShareViewController.swift
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// ShareActionExtension
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//
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// Created by MainasuK on 2022/11/13.
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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 CoreDataStack
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import MastodonCore
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import MastodonUI
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import MastodonAsset
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import MastodonLocalization
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import UniformTypeIdentifiers
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final class ShareViewController: UIViewController {
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let logger = Logger(subsystem: "ShareViewController", category: "ViewController")
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var disposeBag = Set<AnyCancellable>()
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let context = AppContext()
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private(set) lazy var viewModel = ShareViewModel(context: context)
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let publishButton: UIButton = {
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let button = RoundedEdgesButton(type: .custom)
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button.cornerRadius = 10
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button.contentEdgeInsets = UIEdgeInsets(top: 6, left: 16, bottom: 5, right: 16) // set 28pt height
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button.titleLabel?.font = .systemFont(ofSize: 14, weight: .bold)
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button.setTitle(L10n.Scene.Compose.composeAction, for: .normal)
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return button
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}()
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private func configurePublishButtonApperance() {
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publishButton.adjustsImageWhenHighlighted = false
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publishButton.setBackgroundImage(.placeholder(color: Asset.Colors.Label.primary.color), for: .normal)
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publishButton.setBackgroundImage(.placeholder(color: Asset.Colors.Label.primary.color.withAlphaComponent(0.5)), for: .highlighted)
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publishButton.setBackgroundImage(.placeholder(color: Asset.Colors.Button.disabled.color), for: .disabled)
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publishButton.setTitleColor(Asset.Colors.Label.primaryReverse.color, for: .normal)
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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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private var composeContentViewModel: ComposeContentViewModel?
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private var composeContentViewController: ComposeContentViewController?
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let notSignInLabel: UILabel = {
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let label = UILabel()
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label.font = .preferredFont(forTextStyle: .subheadline)
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label.textColor = .secondaryLabel
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label.text = "No Available Account" // TODO: i18n
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return label
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}()
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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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setupTheme(theme: ThemeService.shared.currentTheme.value)
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ThemeService.shared.apply(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.setupTheme(theme: theme)
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}
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.store(in: &disposeBag)
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view.backgroundColor = .systemBackground
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title = L10n.Scene.Compose.Title.newPost
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navigationItem.leftBarButtonItem = cancelBarButtonItem
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navigationItem.rightBarButtonItem = publishBarButtonItem
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do {
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guard let authContext = try setupAuthContext() else {
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setupHintLabel()
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return
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}
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viewModel.authContext = authContext
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let composeContentViewModel = ComposeContentViewModel(
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context: context,
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authContext: authContext,
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kind: .post
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)
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let composeContentViewController = ComposeContentViewController()
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composeContentViewController.viewModel = composeContentViewModel
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addChild(composeContentViewController)
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composeContentViewController.view.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(composeContentViewController.view)
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NSLayoutConstraint.activate([
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composeContentViewController.view.topAnchor.constraint(equalTo: view.topAnchor),
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composeContentViewController.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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composeContentViewController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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composeContentViewController.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
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])
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composeContentViewController.didMove(toParent: self)
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self.composeContentViewModel = composeContentViewModel
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self.composeContentViewController = composeContentViewController
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Task { @MainActor in
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let inputItems = self.extensionContext?.inputItems.compactMap { $0 as? NSExtensionItem } ?? []
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await load(inputItems: inputItems)
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} // end Task
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} catch {
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logger.log(level: .debug, "\((#file as NSString).lastPathComponent, privacy: .public)[\(#line, privacy: .public)], \(#function, privacy: .public): error: \(error.localizedDescription)")
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}
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viewModel.$isPublishing
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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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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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configurePublishButtonApperance()
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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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extensionContext?.cancelRequest(withError: NSError(domain: "org.joinmastodon.app.ShareActionExtension", code: -1))
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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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Task { @MainActor in
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viewModel.isPublishing = true
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do {
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guard let statusPublisher = try composeContentViewModel?.statusPublisher(),
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let authContext = viewModel.authContext
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else {
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throw AppError.badRequest
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}
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_ = try await statusPublisher.publish(api: context.apiService, authContext: authContext)
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self.publishButton.setTitle(L10n.Common.Controls.Actions.done, for: .normal)
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try await Task.sleep(nanoseconds: 1 * .second)
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self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
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} catch {
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let alertController = UIAlertController.standardAlert(of: error)
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present(alertController, animated: true)
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return
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}
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viewModel.isPublishing = false
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}
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}
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}
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extension ShareViewController {
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private func setupAuthContext() throws -> AuthContext? {
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let request = MastodonAuthentication.activeSortedFetchRequest // use active order
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let _authentication = try context.managedObjectContext.fetch(request).first
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let _authContext = _authentication.flatMap { AuthContext(authentication: $0) }
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return _authContext
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}
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private func setupHintLabel() {
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notSignInLabel.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(notSignInLabel)
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NSLayoutConstraint.activate([
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notSignInLabel.centerXAnchor.constraint(equalTo: view.centerXAnchor),
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notSignInLabel.centerYAnchor.constraint(equalTo: view.centerYAnchor),
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])
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}
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private func setupTheme(theme: Theme) {
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view.backgroundColor = theme.systemElevatedBackgroundColor
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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: 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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// MARK: - UIAdaptivePresentationControllerDelegate
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extension ShareViewController: UIAdaptivePresentationControllerDelegate {
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func presentationControllerShouldDismiss(_ presentationController: UIPresentationController) -> Bool {
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return composeContentViewModel?.shouldDismiss ?? true
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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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extension ShareViewController {
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private func load(inputItems: [NSExtensionItem]) async {
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guard let composeContentViewModel = self.composeContentViewModel,
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let authContext = viewModel.authContext
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else {
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assertionFailure()
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return
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}
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var itemProviders: [NSItemProvider] = []
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for item in inputItems {
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itemProviders.append(contentsOf: item.attachments ?? [])
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}
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let _textProvider = itemProviders.first { provider in
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return provider.hasRepresentationConforming(toTypeIdentifier: UTType.plainText.identifier, fileOptions: [])
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}
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let _urlProvider = itemProviders.first { provider in
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return provider.hasRepresentationConforming(toTypeIdentifier: UTType.url.identifier, fileOptions: [])
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}
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let _movieProvider = itemProviders.first { provider in
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return provider.hasRepresentationConforming(toTypeIdentifier: UTType.movie.identifier, fileOptions: [])
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}
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let imageProviders = itemProviders.filter { provider in
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return provider.hasRepresentationConforming(toTypeIdentifier: UTType.image.identifier, fileOptions: [])
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}
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async let text = ShareViewController.loadText(textProvider: _textProvider)
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async let url = ShareViewController.loadURL(textProvider: _urlProvider)
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let content = await [text, url]
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.compactMap { $0 }
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.joined(separator: " ")
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// passby the viewModel `content` value
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if !content.isEmpty {
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composeContentViewModel.content = content + " "
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composeContentViewModel.contentMetaText?.textView.insertText(content + " ")
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}
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if let movieProvider = _movieProvider {
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let attachmentViewModel = AttachmentViewModel(
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api: context.apiService,
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authContext: authContext,
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input: .itemProvider(movieProvider),
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delegate: composeContentViewModel
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)
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composeContentViewModel.attachmentViewModels.append(attachmentViewModel)
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} else if !imageProviders.isEmpty {
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let attachmentViewModels = imageProviders.map { provider in
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AttachmentViewModel(
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api: context.apiService,
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authContext: authContext,
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input: .itemProvider(provider),
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delegate: composeContentViewModel
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)
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}
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composeContentViewModel.attachmentViewModels.append(contentsOf: attachmentViewModels)
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}
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}
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private static func loadText(textProvider: NSItemProvider?) async -> String? {
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guard let textProvider = textProvider else { return nil }
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do {
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let item = try await textProvider.loadItem(forTypeIdentifier: UTType.plainText.identifier)
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guard let text = item as? String else { return nil }
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return text
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} catch {
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return nil
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}
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}
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private static func loadURL(textProvider: NSItemProvider?) async -> String? {
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guard let textProvider = textProvider else { return nil }
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do {
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let item = try await textProvider.loadItem(forTypeIdentifier: UTType.url.identifier)
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guard let url = item as? URL else { return nil }
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return url.absoluteString
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} catch {
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return nil
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}
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}
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}
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extension ShareViewController {
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enum ShareError: Error {
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case `internal`(error: Error)
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case userCancelShare
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case missingAuthentication
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}
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}
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