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//
// AccountNumberRow.swift
// MullvadVPN
//
// Created by Mojgan on 2023-08-28.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import Foundation
import UIKit
class AccountNumberRow: UIView {
var accountNumber: String? {
didSet {
updateView()
}
}
var isObscured = true {
didSet {
updateView()
}
}
var copyAccountNumber: (() -> Void)?
private let titleLabel: UILabel = {
let textLabel = UILabel()
textLabel.text = NSLocalizedString("Account number", comment: "")
textLabel.font = .mullvadTiny
textLabel.adjustsFontForContentSizeCategory = true
textLabel.textColor = UIColor(white: 1.0, alpha: 0.6)
return textLabel
}()
private let accountNumberLabel: UILabel = {
let textLabel = UILabel()
textLabel.font = .mullvadSmall
textLabel.adjustsFontForContentSizeCategory = true
textLabel.textColor = .white
textLabel.numberOfLines = 0
return textLabel
}()
private let showHideButton: UIButton = {
let button = UIButton(type: .system)
button.tintColor = .white
button.adjustsImageSizeForAccessibilityContentSizeCategory = true
button.setContentHuggingPriority(.defaultHigh, for: .horizontal)
return button
}()
private let copyButton: UIButton = {
let button = UIButton(type: .system)
button.adjustsImageSizeForAccessibilityContentSizeCategory = true
button.tintColor = .white
button.setContentHuggingPriority(.defaultHigh, for: .horizontal)
return button
}()
private var revertCopyImageWorkItem: DispatchWorkItem?
override init(frame: CGRect) {
super.init(frame: frame)
addConstrainedSubviews([titleLabel, accountNumberLabel, showHideButton, copyButton]) {
titleLabel.pinEdgesToSuperview(.all().excluding([.trailing, .bottom]))
titleLabel.trailingAnchor.constraint(greaterThanOrEqualTo: trailingAnchor)
accountNumberLabel.topAnchor.constraint(equalTo: titleLabel.bottomAnchor, constant: UIMetrics.padding8)
accountNumberLabel.leadingAnchor.constraint(equalTo: leadingAnchor)
accountNumberLabel.trailingAnchor.constraint(greaterThanOrEqualTo: showHideButton.leadingAnchor)
accountNumberLabel.bottomAnchor.constraint(equalTo: bottomAnchor)
showHideButton.heightAnchor.constraint(equalTo: accountNumberLabel.heightAnchor)
showHideButton.centerYAnchor.constraint(equalTo: accountNumberLabel.centerYAnchor)
showHideButton.leadingAnchor.constraint(equalTo: accountNumberLabel.trailingAnchor)
copyButton.heightAnchor.constraint(equalTo: accountNumberLabel.heightAnchor)
copyButton.centerYAnchor.constraint(equalTo: accountNumberLabel.centerYAnchor)
copyButton.leadingAnchor.constraint(
equalTo: showHideButton.trailingAnchor,
constant: UIMetrics.padding24
)
copyButton.trailingAnchor.constraint(equalTo: trailingAnchor)
}
showHideButton.addTarget(
self,
action: #selector(didTapShowHideAccount),
for: .touchUpInside
)
copyButton.addTarget(
self,
action: #selector(didTapCopyAccountNumber),
for: .touchUpInside
)
isAccessibilityElement = true
accessibilityLabel = titleLabel.text
showHideButton.setContentCompressionResistancePriority(.required, for: .horizontal)
showHideButton.setContentHuggingPriority(.required, for: .horizontal)
copyButton.setContentCompressionResistancePriority(.required, for: .horizontal)
copyButton.setContentHuggingPriority(.required, for: .horizontal)
accountNumberLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
accountNumberLabel.setContentHuggingPriority(.defaultHigh, for: .horizontal)
showCheckmark(false)
updateView()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func setButtons(enabled: Bool) {
showHideButton.isEnabled = enabled
copyButton.isEnabled = enabled
}
// MARK: - Private
private func updateView() {
accountNumberLabel.text = displayAccountNumber ?? ""
showHideButton.setImage(showHideImage, for: .normal)
accessibilityAttributedValue = _accessibilityAttributedValue
accessibilityCustomActions = _accessibilityCustomActions
}
private var displayAccountNumber: String? {
guard let accountNumber else {
return nil
}
let formattedString = accountNumber.formattedAccountNumber
if isObscured {
return String(
formattedString.map { ch in
ch == " " ? ch : "•"
})
} else {
return formattedString
}
}
private var showHideImage: UIImage? {
if isObscured {
return UIImage.Buttons.show
} else {
return UIImage.Buttons.hide
}
}
private var _accessibilityAttributedValue: NSAttributedString? {
guard let accountNumber else {
return nil
}
if isObscured {
return NSAttributedString(
string: NSLocalizedString("Obscured", comment: "")
)
} else {
return NSAttributedString(
string: accountNumber,
attributes: [.accessibilitySpeechSpellOut: true]
)
}
}
private var _accessibilityCustomActions: [UIAccessibilityCustomAction]? {
guard accountNumber != nil else { return nil }
return [
UIAccessibilityCustomAction(
name: showHideAccessibilityActionName,
target: self,
selector: #selector(didTapShowHideAccount)
),
UIAccessibilityCustomAction(
name: NSLocalizedString("Copied Mullvad account number to pasteboard", comment: ""),
target: self,
selector: #selector(didTapCopyAccountNumber)
),
]
}
private var showHideAccessibilityActionName: String {
if isObscured {
return NSLocalizedString("Show account number", comment: "")
} else {
return NSLocalizedString("Hide account number", comment: "")
}
}
private func showCheckmark(_ showCheckmark: Bool) {
if showCheckmark {
let tickIcon = UIImage.tick
copyButton.setImage(tickIcon, for: .normal)
copyButton.tintColor = .successColor
} else {
let copyIcon = UIImage.Buttons.copy
copyButton.setImage(copyIcon, for: .normal)
copyButton.tintColor = .white
}
}
// MARK: - Actions
@objc private func didTapShowHideAccount() {
isObscured.toggle()
updateView()
UIAccessibility.post(notification: .layoutChanged, argument: nil)
}
@objc private func didTapCopyAccountNumber() {
let delayedWorkItem = DispatchWorkItem { [weak self] in
self?.showCheckmark(false)
}
revertCopyImageWorkItem?.cancel()
revertCopyImageWorkItem = delayedWorkItem
showCheckmark(true)
copyAccountNumber?()
DispatchQueue.main.asyncAfter(
deadline: .now() + .seconds(2),
execute: delayedWorkItem
)
}
}
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