466 lines
20 KiB
Swift
466 lines
20 KiB
Swift
//
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// ProfileHeaderViewController.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-3-29.
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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 PhotosUI
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import AlamofireImage
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import CropViewController
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import MastodonMeta
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import MetaTextKit
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import MastodonAsset
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import MastodonLocalization
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import Tabman
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protocol ProfileHeaderViewControllerDelegate: AnyObject {
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func profileHeaderViewController(_ viewController: ProfileHeaderViewController, viewLayoutDidUpdate view: UIView)
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}
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final class ProfileHeaderViewController: UIViewController {
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static let segmentedControlHeight: CGFloat = 50
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static let headerMinHeight: CGFloat = segmentedControlHeight
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var disposeBag = Set<AnyCancellable>()
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weak var delegate: ProfileHeaderViewControllerDelegate?
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var viewModel: ProfileHeaderViewModel!
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let titleView: DoubleTitleLabelNavigationBarTitleView = {
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let titleView = DoubleTitleLabelNavigationBarTitleView()
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titleView.titleLabel.textColor = .white
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titleView.titleLabel.textAttributes[.foregroundColor] = UIColor.white
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titleView.titleLabel.alpha = 0
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titleView.subtitleLabel.textColor = .white
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titleView.subtitleLabel.alpha = 0
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titleView.layer.masksToBounds = true
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return titleView
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}()
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let profileHeaderView = ProfileHeaderView()
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let buttonBar: TMBar.ButtonBar = {
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let buttonBar = TMBar.ButtonBar()
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buttonBar.buttons.customize { button in
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button.selectedTintColor = Asset.Colors.Label.primary.color
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button.tintColor = Asset.Colors.Label.secondary.color
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button.backgroundColor = .clear
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}
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buttonBar.indicator.backgroundColor = Asset.Colors.Label.primary.color
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buttonBar.backgroundView.style = .clear
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buttonBar.layout.contentInset = .zero
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return buttonBar
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}()
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private var isBannerPinned = false
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private var bottomShadowAlpha: CGFloat = 0.0
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// private var isAdjustBannerImageViewForSafeAreaInset = false
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private var containerSafeAreaInset: UIEdgeInsets = .zero
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private(set) lazy var imagePicker: PHPickerViewController = {
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var configuration = PHPickerConfiguration()
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configuration.filter = .images
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configuration.selectionLimit = 1
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let imagePicker = PHPickerViewController(configuration: configuration)
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imagePicker.delegate = self
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return imagePicker
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}()
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private(set) lazy var imagePickerController: UIImagePickerController = {
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let imagePickerController = UIImagePickerController()
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imagePickerController.sourceType = .camera
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imagePickerController.delegate = self
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return imagePickerController
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}()
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private(set) lazy var documentPickerController: UIDocumentPickerViewController = {
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let documentPickerController = UIDocumentPickerViewController(forOpeningContentTypes: [.image])
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documentPickerController.delegate = self
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return documentPickerController
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}()
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deinit {
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os_log("%{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 ProfileHeaderViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = ThemeService.shared.currentTheme.value.systemBackgroundColor
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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.view.backgroundColor = theme.systemBackgroundColor
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}
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.store(in: &disposeBag)
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profileHeaderView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(profileHeaderView)
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NSLayoutConstraint.activate([
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profileHeaderView.topAnchor.constraint(equalTo: view.topAnchor),
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profileHeaderView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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profileHeaderView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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])
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profileHeaderView.preservesSuperviewLayoutMargins = true
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Publishers.CombineLatest(
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viewModel.viewDidAppear.eraseToAnyPublisher(),
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viewModel.isTitleViewContentOffsetSet.eraseToAnyPublisher()
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)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] viewDidAppear, isTitleViewContentOffsetDidSet in
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guard let self = self else { return }
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self.titleView.titleLabel.alpha = viewDidAppear && isTitleViewContentOffsetDidSet ? 1 : 0
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self.titleView.subtitleLabel.alpha = viewDidAppear && isTitleViewContentOffsetDidSet ? 1 : 0
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}
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.store(in: &disposeBag)
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viewModel.needsSetupBottomShadow
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.receive(on: DispatchQueue.main)
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.sink { [weak self] needsSetupBottomShadow in
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guard let self = self else { return }
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self.setupBottomShadow()
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}
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.store(in: &disposeBag)
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Publishers.CombineLatest4(
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viewModel.$isEditing.eraseToAnyPublisher(),
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viewModel.displayProfileInfo.$avatarImageResource.eraseToAnyPublisher(),
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viewModel.editProfileInfo.$avatarImageResource.eraseToAnyPublisher(),
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viewModel.viewDidAppear.eraseToAnyPublisher()
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)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] isEditing, displayResource, editingResource, _ in
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guard let self = self else { return }
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let url = displayResource.url
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let image = editingResource.image
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self.profileHeaderView.avatarButton.avatarImageView.configure(
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configuration: AvatarImageView.Configuration(
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url: isEditing && image != nil ? nil : url,
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placeholder: image ?? UIImage.placeholder(color: Asset.Theme.Mastodon.systemGroupedBackground.color)
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)
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)
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}
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.store(in: &disposeBag)
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Publishers.CombineLatest4(
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viewModel.$isEditing,
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viewModel.displayProfileInfo.$name.removeDuplicates(),
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viewModel.editProfileInfo.$name.removeDuplicates(),
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viewModel.$emojiMeta
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)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] isEditing, name, editingName, emojiMeta in
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guard let self = self else { return }
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do {
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let mastodonContent = MastodonContent(content: name ?? " ", emojis: emojiMeta)
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let metaContent = try MastodonMetaContent.convert(document: mastodonContent)
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self.profileHeaderView.nameMetaText.configure(content: metaContent)
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} catch {
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assertionFailure()
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}
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self.profileHeaderView.nameTextField.text = isEditing ? editingName : name
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}
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.store(in: &disposeBag)
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let profileNote = Publishers.CombineLatest3(
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viewModel.$isEditing.removeDuplicates(),
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viewModel.displayProfileInfo.$note.removeDuplicates(),
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viewModel.editProfileInfoDidInitialized
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)
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.map { isEditing, displayNote, _ -> String? in
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if isEditing {
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return self.viewModel.editProfileInfo.note
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} else {
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return displayNote
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}
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}
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.eraseToAnyPublisher()
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Publishers.CombineLatest3(
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viewModel.$isEditing.removeDuplicates(),
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profileNote.removeDuplicates(),
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viewModel.$emojiMeta.removeDuplicates()
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)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] isEditing, note, emojiMeta in
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guard let self = self else { return }
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self.profileHeaderView.bioMetaText.textView.isEditable = isEditing
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if isEditing {
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let metaContent = PlaintextMetaContent(string: note ?? "")
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self.profileHeaderView.bioMetaText.configure(content: metaContent)
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} else {
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let mastodonContent = MastodonContent(content: note ?? "", emojis: emojiMeta)
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do {
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let metaContent = try MastodonMetaContent.convert(document: mastodonContent)
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self.profileHeaderView.bioMetaText.configure(content: metaContent)
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} catch {
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assertionFailure()
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self.profileHeaderView.bioMetaText.reset()
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}
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}
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}
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.store(in: &disposeBag)
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profileHeaderView.bioMetaText.delegate = self
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NotificationCenter.default.publisher(for: UITextField.textDidChangeNotification, object: profileHeaderView.nameTextField)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] notification in
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guard let self = self else { return }
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guard let textField = notification.object as? UITextField else { return }
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self.viewModel.editProfileInfo.name = textField.text
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}
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.store(in: &disposeBag)
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profileHeaderView.editAvatarButton.menu = createAvatarContextMenu()
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profileHeaderView.editAvatarButton.showsMenuAsPrimaryAction = true
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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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// set display after view appear
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profileHeaderView.setupAvatarOverlayViews()
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}
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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delegate?.profileHeaderViewController(self, viewLayoutDidUpdate: view)
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setupBottomShadow()
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}
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}
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extension ProfileHeaderViewController {
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private func createAvatarContextMenu() -> UIMenu {
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var children: [UIMenuElement] = []
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let photoLibraryAction = UIAction(title: L10n.Scene.Compose.MediaSelection.photoLibrary, image: UIImage(systemName: "rectangle.on.rectangle"), identifier: nil, discoverabilityTitle: nil, attributes: [], state: .off) { [weak self] _ in
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guard let self = self else { return }
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: mediaSelectionType: .photoLibaray", ((#file as NSString).lastPathComponent), #line, #function)
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self.present(self.imagePicker, animated: true, completion: nil)
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}
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children.append(photoLibraryAction)
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if UIImagePickerController.isSourceTypeAvailable(.camera) {
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let cameraAction = UIAction(title: L10n.Scene.Compose.MediaSelection.camera, image: UIImage(systemName: "camera"), identifier: nil, discoverabilityTitle: nil, attributes: [], state: .off, handler: { [weak self] _ in
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guard let self = self else { return }
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: mediaSelectionType: .camera", ((#file as NSString).lastPathComponent), #line, #function)
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self.present(self.imagePickerController, animated: true, completion: nil)
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})
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children.append(cameraAction)
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}
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let browseAction = UIAction(title: L10n.Scene.Compose.MediaSelection.browse, image: UIImage(systemName: "ellipsis"), identifier: nil, discoverabilityTitle: nil, attributes: [], state: .off) { [weak self] _ in
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guard let self = self else { return }
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: mediaSelectionType: .browse", ((#file as NSString).lastPathComponent), #line, #function)
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self.present(self.documentPickerController, animated: true, completion: nil)
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}
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children.append(browseAction)
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return UIMenu(title: "", image: nil, identifier: nil, options: .displayInline, children: children)
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}
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private func cropImage(image: UIImage, pickerViewController: UIViewController) {
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DispatchQueue.main.async {
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let cropController = CropViewController(croppingStyle: .default, image: image)
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cropController.delegate = self
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cropController.setAspectRatioPreset(.presetSquare, animated: true)
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cropController.aspectRatioPickerButtonHidden = true
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cropController.aspectRatioLockEnabled = true
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pickerViewController.dismiss(animated: true, completion: {
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self.present(cropController, animated: true, completion: nil)
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})
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}
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}
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}
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extension ProfileHeaderViewController {
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func updateHeaderContainerSafeAreaInset(_ inset: UIEdgeInsets) {
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containerSafeAreaInset = inset
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}
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func setupBottomShadow() {
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guard viewModel.needsSetupBottomShadow.value else {
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view.layer.shadowColor = nil
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view.layer.shadowRadius = 0
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return
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}
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view.layer.setupShadow(color: UIColor.black.withAlphaComponent(0.12), alpha: Float(bottomShadowAlpha), x: 0, y: 2, blur: 2, spread: 0, roundedRect: view.bounds, byRoundingCorners: .allCorners, cornerRadii: .zero)
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}
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private func updateHeaderBottomShadow(progress: CGFloat) {
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let alpha = min(max(0, 10 * progress - 9), 1)
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if bottomShadowAlpha != alpha {
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bottomShadowAlpha = alpha
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view.setNeedsLayout()
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}
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}
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func updateHeaderScrollProgress(_ progress: CGFloat, throttle: CGFloat) {
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// os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: progress: %.2f", ((#file as NSString).lastPathComponent), #line, #function, progress)
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updateHeaderBottomShadow(progress: progress)
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let bannerImageView = profileHeaderView.bannerImageView
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guard bannerImageView.bounds != .zero else {
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// wait layout finish
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return
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}
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let bannerContainerInWindow = profileHeaderView.convert(profileHeaderView.bannerContainerView.frame, to: nil)
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let bannerContainerBottomOffset = bannerContainerInWindow.origin.y + bannerContainerInWindow.height
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// scroll from bottom to top: 1 -> 2 -> 3
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if bannerContainerInWindow.origin.y > containerSafeAreaInset.top {
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// 1
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// banner top pin to window top and expand
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bannerImageView.frame.origin.y = -bannerContainerInWindow.origin.y
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bannerImageView.frame.size.height = bannerContainerInWindow.origin.y + bannerContainerInWindow.size.height
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} else if bannerContainerBottomOffset < containerSafeAreaInset.top {
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// 3
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// banner bottom pin to navigation bar bottom and
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// the `progress` growth to 1 then segmented control pin to top
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bannerImageView.frame.origin.y = -containerSafeAreaInset.top
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let bannerImageHeight = bannerContainerInWindow.size.height + containerSafeAreaInset.top + (containerSafeAreaInset.top - bannerContainerBottomOffset)
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bannerImageView.frame.size.height = bannerImageHeight
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} else {
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// 2
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// banner move with scrolling from bottom to top until the
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// banner bottom higher than navigation bar bottom
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bannerImageView.frame.origin.y = -containerSafeAreaInset.top
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bannerImageView.frame.size.height = bannerContainerInWindow.size.height + containerSafeAreaInset.top
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}
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// set title view offset
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let nameTextFieldInWindow = profileHeaderView.nameTextField.superview!.convert(profileHeaderView.nameTextField.frame, to: nil)
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let nameTextFieldTopToNavigationBarBottomOffset = containerSafeAreaInset.top - nameTextFieldInWindow.origin.y
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let titleViewContentOffset: CGFloat = titleView.frame.height - nameTextFieldTopToNavigationBarBottomOffset
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let transformY = max(0, titleViewContentOffset)
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titleView.containerView.transform = CGAffineTransform(translationX: 0, y: transformY)
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viewModel.isTitleViewDisplaying.value = transformY < titleView.containerView.frame.height
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if viewModel.viewDidAppear.value {
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viewModel.isTitleViewContentOffsetSet.value = true
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}
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// set avatar fade
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if progress > 0 {
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setProfileAvatar(alpha: 0)
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} else if progress > -abs(throttle) {
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// y = -(1/0.8T)x
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let alpha = -1 / abs(0.8 * throttle) * progress
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setProfileAvatar(alpha: alpha)
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} else {
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setProfileAvatar(alpha: 1)
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}
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}
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private func setProfileAvatar(alpha: CGFloat) {
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profileHeaderView.avatarImageViewBackgroundView.alpha = alpha
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profileHeaderView.avatarButton.alpha = alpha
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profileHeaderView.editAvatarBackgroundView.alpha = alpha
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}
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}
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// MARK: - MetaTextDelegate
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extension ProfileHeaderViewController: MetaTextDelegate {
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func metaText(_ metaText: MetaText, processEditing textStorage: MetaTextStorage) -> MetaContent? {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: text: %s", ((#file as NSString).lastPathComponent), #line, #function, metaText.backedString)
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switch metaText {
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case profileHeaderView.bioMetaText:
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guard viewModel.isEditing else { break }
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viewModel.editProfileInfo.note = metaText.backedString
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let metaContent = PlaintextMetaContent(string: metaText.backedString)
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return metaContent
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default:
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assertionFailure()
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}
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return nil
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}
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}
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// MARK: - PHPickerViewControllerDelegate
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extension ProfileHeaderViewController: PHPickerViewControllerDelegate {
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func picker(_ picker: PHPickerViewController, didFinishPicking results: [PHPickerResult]) {
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picker.dismiss(animated: true, completion: nil)
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guard let result = results.first else { return }
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ItemProviderLoader.loadImageData(from: result)
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.sink { [weak self] completion in
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guard let _ = self else { return }
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switch completion {
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case .failure:
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// TODO: handle error
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break
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case .finished:
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break
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}
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} receiveValue: { [weak self] file in
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guard let self = self else { return }
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guard let imageData = file?.data else { return }
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guard let image = UIImage(data: imageData) else { return }
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self.cropImage(image: image, pickerViewController: picker)
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}
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.store(in: &disposeBag)
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}
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}
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// MARK: - UIImagePickerControllerDelegate
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extension ProfileHeaderViewController: UIImagePickerControllerDelegate & UINavigationControllerDelegate {
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func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
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picker.dismiss(animated: true, completion: nil)
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guard let image = info[.originalImage] as? UIImage else { return }
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cropImage(image: image, pickerViewController: picker)
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}
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func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
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os_log("%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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picker.dismiss(animated: true, completion: nil)
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}
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}
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// MARK: - UIDocumentPickerDelegate
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extension ProfileHeaderViewController: UIDocumentPickerDelegate {
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func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
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guard let url = urls.first else { return }
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do {
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guard url.startAccessingSecurityScopedResource() else { return }
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defer { url.stopAccessingSecurityScopedResource() }
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let imageData = try Data(contentsOf: url)
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guard let image = UIImage(data: imageData) else { return }
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cropImage(image: image, pickerViewController: controller)
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} catch {
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os_log("%{public}s[%{public}ld], %{public}s: %s", ((#file as NSString).lastPathComponent), #line, #function, error.localizedDescription)
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}
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}
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}
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// MARK: - CropViewControllerDelegate
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extension ProfileHeaderViewController: CropViewControllerDelegate {
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public func cropViewController(_ cropViewController: CropViewController, didCropToImage image: UIImage, withRect cropRect: CGRect, angle: Int) {
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viewModel.editProfileInfo.avatarImage = image
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cropViewController.dismiss(animated: true, completion: nil)
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}
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}
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