270 lines
11 KiB
Swift
270 lines
11 KiB
Swift
//
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// ProfileHeaderView.swift
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// Tusker
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//
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// Created by Shadowfacts on 7/4/20.
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// Copyright © 2020 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Pachyderm
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import Combine
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protocol ProfileHeaderViewDelegate: TuskerNavigationDelegate {
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func profileHeader(_ headerView: ProfileHeaderView, selectedPostsIndexChangedTo newIndex: Int)
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func profileHeader(_ headerView: ProfileHeaderView, showMoreOptionsFor accountID: String, sourceView: UIView)
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}
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class ProfileHeaderView: UIView {
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static func create() -> ProfileHeaderView {
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let nib = UINib(nibName: "ProfileHeaderView", bundle: .main)
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return nib.instantiate(withOwner: nil, options: nil).first as! ProfileHeaderView
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}
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weak var delegate: ProfileHeaderViewDelegate? {
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didSet {
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createObservers()
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}
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}
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var mastodonController: MastodonController! { delegate?.apiController }
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@IBOutlet weak var headerImageView: UIImageView!
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@IBOutlet weak var avatarContainerView: UIView!
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@IBOutlet weak var avatarImageView: UIImageView!
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@IBOutlet weak var moreButton: VisualEffectImageButton!
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@IBOutlet weak var displayNameLabel: EmojiLabel!
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@IBOutlet weak var usernameLabel: UILabel!
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@IBOutlet weak var followsYouLabel: UILabel!
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@IBOutlet weak var noteTextView: StatusContentTextView!
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@IBOutlet weak var fieldsStackView: UIStackView!
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@IBOutlet weak var fieldNamesStackView: UIStackView!
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@IBOutlet weak var fieldValuesStackView: UIStackView!
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@IBOutlet weak var pagesSegmentedControl: UISegmentedControl!
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var accountID: String!
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private var avatarRequest: ImageCache.Request?
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private var headerRequest: ImageCache.Request?
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private var isGrayscale = false
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private var cancellables = [AnyCancellable]()
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deinit {
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avatarRequest?.cancel()
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headerRequest?.cancel()
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}
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override func awakeFromNib() {
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super.awakeFromNib()
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avatarContainerView.layer.masksToBounds = true
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avatarImageView.layer.masksToBounds = true
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avatarImageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(avatarPressed)))
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avatarImageView.isUserInteractionEnabled = true
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headerImageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(headerPressed)))
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headerImageView.isUserInteractionEnabled = true
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moreButton.layer.cornerRadius = 16
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moreButton.layer.masksToBounds = true
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NotificationCenter.default.addObserver(self, selector: #selector(updateUIForPreferences), name: .preferencesChanged, object: nil)
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moreButton.addInteraction(UIPointerInteraction(delegate: self))
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if #available(iOS 14.0, *) {
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moreButton.showsMenuAsPrimaryAction = true
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moreButton.isContextMenuInteractionEnabled = true
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}
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}
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private func createObservers() {
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cancellables = []
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mastodonController.persistentContainer.accountSubject
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.filter { [weak self] in $0 == self?.accountID }
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.receive(on: DispatchQueue.main)
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.sink { [weak self] in self?.updateUI(for: $0) }
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.store(in: &cancellables)
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mastodonController.persistentContainer.relationshipSubject
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.filter { [weak self] in $0 == self?.accountID }
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.receive(on: DispatchQueue.main)
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.sink { [weak self] (_) in self?.updateRelationship() }
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.store(in: &cancellables)
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}
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func updateUI(for accountID: String) {
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self.accountID = accountID
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guard let mastodonController = mastodonController else { return }
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guard let account = mastodonController.persistentContainer.account(for: accountID) else {
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fatalError("Missing cached account \(accountID)")
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}
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updateUIForPreferences()
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usernameLabel.text = "@\(account.acct)"
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updateImages(account: account)
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if #available(iOS 14.0, *) {
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moreButton.menu = UIMenu(title: "", image: nil, identifier: nil, options: [], children: actionsForProfile(accountID: accountID, sourceView: moreButton))
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}
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noteTextView.navigationDelegate = delegate
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noteTextView.setTextFromHtml(account.note)
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noteTextView.setEmojis(account.emojis)
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// don't show relationship label for the user's own account
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if accountID != mastodonController.account?.id {
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// while fetching the most up-to-date, show the current data (if any)
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updateRelationship()
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let request = Client.getRelationships(accounts: [accountID])
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mastodonController.run(request) { [weak self] (response) in
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guard let self = self,
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case let .success(results, _) = response,
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let relationship = results.first else {
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return
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}
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self.mastodonController.persistentContainer.addOrUpdate(relationship: relationship)
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}
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}
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fieldsStackView.isHidden = account.fields.isEmpty
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fieldNamesStackView.arrangedSubviews.forEach { $0.removeFromSuperview() }
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fieldValuesStackView.arrangedSubviews.forEach { $0.removeFromSuperview() }
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for field in account.fields {
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let nameLabel = EmojiLabel()
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nameLabel.text = field.name
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nameLabel.font = .boldSystemFont(ofSize: 17)
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nameLabel.textAlignment = .right
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nameLabel.numberOfLines = 0
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nameLabel.lineBreakMode = .byWordWrapping
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nameLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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nameLabel.setEmojis(account.emojis, identifier: "")
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fieldNamesStackView.addArrangedSubview(nameLabel)
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let valueTextView = ContentTextView()
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valueTextView.isSelectable = false
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valueTextView.font = .systemFont(ofSize: 17)
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valueTextView.setTextFromHtml(field.value)
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valueTextView.setEmojis(account.emojis)
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valueTextView.textAlignment = .left
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valueTextView.awakeFromNib()
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valueTextView.navigationDelegate = delegate
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valueTextView.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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fieldValuesStackView.addArrangedSubview(valueTextView)
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nameLabel.heightAnchor.constraint(equalTo: valueTextView.heightAnchor).isActive = true
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}
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}
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private func updateRelationship() {
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guard let relationship = mastodonController.persistentContainer.relationship(forAccount: accountID) else {
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return
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}
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followsYouLabel.isHidden = !relationship.followedBy
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}
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@objc private func updateUIForPreferences() {
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guard let account = mastodonController.persistentContainer.account(for: accountID) else {
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fatalError("Missing cached account \(accountID!)")
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}
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avatarContainerView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarContainerView)
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avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
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displayNameLabel.updateForAccountDisplayName(account: account)
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if isGrayscale != Preferences.shared.grayscaleImages {
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updateImages(account: account)
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}
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}
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private func updateImages(account: AccountMO) {
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isGrayscale = Preferences.shared.grayscaleImages
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let accountID = account.id
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let avatarURL = account.avatar
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avatarRequest = ImageCache.avatars.get(avatarURL) { [weak self] (_, image) in
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guard let self = self, let image = image, self.accountID == accountID else { return }
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self.avatarRequest = nil
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let transformedImage: UIImage?
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if self.isGrayscale {
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transformedImage = ImageGrayscalifier.convert(url: avatarURL, cgImage: image.cgImage!)
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} else {
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transformedImage = image
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}
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DispatchQueue.main.async {
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self.avatarImageView.image = transformedImage
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}
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}
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if let header = account.header {
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headerRequest = ImageCache.headers.get(header) { [weak self] (_, image) in
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guard let self = self, let image = image, self.accountID == accountID else { return }
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self.headerRequest = nil
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let transformedImage: UIImage?
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if self.isGrayscale {
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transformedImage = ImageGrayscalifier.convert(url: header, cgImage: image.cgImage!)
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} else {
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transformedImage = image
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}
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DispatchQueue.main.async {
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self.headerImageView.image = transformedImage
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}
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}
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}
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}
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// MARK: Interaction
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@IBAction func morePressed(_ sender: Any) {
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guard #available(iOS 14.0, *) else {
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// can't use TuskerNavigationDelegate method, because it doesn't know about the (un)follow activity
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delegate?.profileHeader(self, showMoreOptionsFor: accountID, sourceView: moreButton)
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return
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}
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}
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@objc func avatarPressed() {
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guard let account = mastodonController.persistentContainer.account(for: accountID) else {
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return
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}
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delegate?.showLoadingLargeImage(url: account.avatar, cache: .avatars, description: nil, animatingFrom: avatarImageView)
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}
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@objc func headerPressed() {
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guard let account = mastodonController.persistentContainer.account(for: accountID),
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let header = account.header else {
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return
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}
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delegate?.showLoadingLargeImage(url: header, cache: .headers, description: nil, animatingFrom: headerImageView)
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}
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@IBAction func postsSegmentedControlChanged(_ sender: UISegmentedControl) {
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delegate?.profileHeader(self, selectedPostsIndexChangedTo: sender.selectedSegmentIndex)
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}
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}
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@available(iOS 13.4, *)
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extension ProfileHeaderView: UIPointerInteractionDelegate {
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func pointerInteraction(_ interaction: UIPointerInteraction, styleFor region: UIPointerRegion) -> UIPointerStyle? {
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let preview = UITargetedPreview(view: moreButton)
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return UIPointerStyle(effect: .lift(preview), shape: .none)
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}
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}
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extension ProfileHeaderView: MenuPreviewProvider {
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var navigationDelegate: TuskerNavigationDelegate? { delegate }
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}
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