metatext-app-ios-iphone-ipad/Views/AccountView.swift

138 lines
5.4 KiB
Swift

// Copyright © 2020 Metabolist. All rights reserved.
import Kingfisher
import Mastodon
import UIKit
final class AccountView: UIView {
let avatarImageView = AnimatedImageView()
let displayNameLabel = UILabel()
let accountLabel = UILabel()
let noteTextView = TouchFallthroughTextView()
private var accountConfiguration: AccountContentConfiguration
init(configuration: AccountContentConfiguration) {
self.accountConfiguration = configuration
super.init(frame: .zero)
initialSetup()
applyAccountConfiguration()
}
@available(*, unavailable)
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
extension AccountView {
static func estimatedHeight(width: CGFloat, account: Account) -> CGFloat {
.defaultSpacing * 2
+ .compactSpacing * 2
+ account.displayName.height(width: width, font: .preferredFont(forTextStyle: .headline))
+ account.acct.height(width: width, font: .preferredFont(forTextStyle: .subheadline))
+ account.note.attributed.string.height(width: width, font: .preferredFont(forTextStyle: .callout))
}
}
extension AccountView: UIContentView {
var configuration: UIContentConfiguration {
get { accountConfiguration }
set {
guard let accountConfiguration = newValue as? AccountContentConfiguration else { return }
self.accountConfiguration = accountConfiguration
applyAccountConfiguration()
}
}
}
extension AccountView: UITextViewDelegate {
func textView(
_ textView: UITextView,
shouldInteractWith URL: URL,
in characterRange: NSRange,
interaction: UITextItemInteraction) -> Bool {
switch interaction {
case .invokeDefaultAction:
accountConfiguration.viewModel.urlSelected(URL)
return false
case .preview: return false
case .presentActions: return false
@unknown default: return false
}
}
}
private extension AccountView {
func initialSetup() {
let stackView = UIStackView()
addSubview(avatarImageView)
addSubview(stackView)
avatarImageView.translatesAutoresizingMaskIntoConstraints = false
avatarImageView.layer.cornerRadius = .avatarDimension / 2
avatarImageView.clipsToBounds = true
stackView.translatesAutoresizingMaskIntoConstraints = false
stackView.axis = .vertical
stackView.spacing = .compactSpacing
stackView.addArrangedSubview(displayNameLabel)
stackView.addArrangedSubview(accountLabel)
stackView.addArrangedSubview(noteTextView)
displayNameLabel.numberOfLines = 0
displayNameLabel.font = .preferredFont(forTextStyle: .headline)
displayNameLabel.adjustsFontForContentSizeCategory = true
accountLabel.numberOfLines = 0
accountLabel.font = .preferredFont(forTextStyle: .subheadline)
accountLabel.adjustsFontForContentSizeCategory = true
accountLabel.textColor = .secondaryLabel
noteTextView.backgroundColor = .clear
noteTextView.delegate = self
NSLayoutConstraint.activate([
avatarImageView.widthAnchor.constraint(equalToConstant: .avatarDimension),
avatarImageView.heightAnchor.constraint(equalToConstant: .avatarDimension),
avatarImageView.topAnchor.constraint(equalTo: readableContentGuide.topAnchor),
avatarImageView.leadingAnchor.constraint(equalTo: readableContentGuide.leadingAnchor),
avatarImageView.bottomAnchor.constraint(lessThanOrEqualTo: readableContentGuide.bottomAnchor),
stackView.leadingAnchor.constraint(equalTo: avatarImageView.trailingAnchor, constant: .defaultSpacing),
stackView.topAnchor.constraint(equalTo: readableContentGuide.topAnchor),
stackView.trailingAnchor.constraint(equalTo: readableContentGuide.trailingAnchor),
stackView.bottomAnchor.constraint(equalTo: readableContentGuide.bottomAnchor)
])
}
func applyAccountConfiguration() {
avatarImageView.kf.setImage(with: accountConfiguration.viewModel.avatarURL(profile: false))
if accountConfiguration.viewModel.displayName.isEmpty {
displayNameLabel.isHidden = true
} else {
let mutableDisplayName = NSMutableAttributedString(string: accountConfiguration.viewModel.displayName)
mutableDisplayName.insert(emojis: accountConfiguration.viewModel.emojis, view: displayNameLabel)
mutableDisplayName.resizeAttachments(toLineHeight: displayNameLabel.font.lineHeight)
displayNameLabel.attributedText = mutableDisplayName
}
accountLabel.text = accountConfiguration.viewModel.accountName
let noteFont = UIFont.preferredFont(forTextStyle: .callout)
let mutableNote = NSMutableAttributedString(attributedString: accountConfiguration.viewModel.note)
let noteRange = NSRange(location: 0, length: mutableNote.length)
mutableNote.removeAttribute(.font, range: noteRange)
mutableNote.addAttributes(
[.font: noteFont as Any,
.foregroundColor: UIColor.label],
range: noteRange)
mutableNote.insert(emojis: accountConfiguration.viewModel.emojis, view: noteTextView)
mutableNote.resizeAttachments(toLineHeight: noteFont.lineHeight)
noteTextView.attributedText = mutableNote
}
}