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//
// HeaderBarView.swift
// MullvadVPN
//
// Created by pronebird on 19/06/2020.
// Copyright © 2020 Mullvad VPN AB. All rights reserved.
//
import Foundation
import UIKit
class HeaderBarView: UIView {
private let brandNameImage = UIImage(named: "LogoText")?
.withTintColor(UIColor.HeaderBar.brandNameColor, renderingMode: .alwaysOriginal)
private let logoImageView = UIImageView(image: UIImage(named: "LogoIcon"))
private lazy var brandNameImageView: UIImageView = {
let imageView = UIImageView(image: brandNameImage)
imageView.contentMode = .scaleAspectFill
return imageView
}()
private let deviceInfoHolder: UIStackView = {
let stackView = UIStackView()
stackView.axis = .horizontal
stackView.distribution = .fill
stackView.spacing = 16.0
return stackView
}()
private lazy var deviceName: UILabel = {
let label = UILabel()
label.font = UIFont.systemFont(ofSize: 14)
label.textColor = UIColor(white: 1.0, alpha: 0.8)
label.setContentHuggingPriority(.defaultHigh, for: .horizontal)
return label
}()
private lazy var timeLeft: UILabel = {
let label = UILabel()
label.font = UIFont.systemFont(ofSize: 14)
label.textColor = UIColor(white: 1.0, alpha: 0.8)
label.setContentHuggingPriority(.defaultLow, for: .horizontal)
return label
}()
private lazy var buttonContainer: UIStackView = {
let stackView = UIStackView(arrangedSubviews: [accountButton, settingsButton])
stackView.spacing = UIMetrics.headerBarButtonSpacing
return stackView
}()
private let borderLayer: CALayer = {
let layer = CALayer()
layer.backgroundColor = UIColor.HeaderBar.dividerColor.cgColor
return layer
}()
let accountButton: IncreasedHitButton = {
let button = makeHeaderBarButton(with: UIImage(named: "IconAccount"))
button.accessibilityIdentifier = "AccountButton"
button.accessibilityLabel = NSLocalizedString(
"HEADER_BAR_ACCOUNT_BUTTON_ACCESSIBILITY_LABEL",
tableName: "HeaderBar",
value: "Account",
comment: ""
)
return button
}()
let settingsButton: IncreasedHitButton = {
let button = makeHeaderBarButton(with: UIImage(named: "IconSettings"))
button.accessibilityIdentifier = "SettingsButton"
button.accessibilityLabel = NSLocalizedString(
"HEADER_BAR_SETTINGS_BUTTON_ACCESSIBILITY_LABEL",
tableName: "HeaderBar",
value: "Settings",
comment: ""
)
return button
}()
class func makeHeaderBarButton(with image: UIImage?) -> IncreasedHitButton {
let buttonImage = image?.withTintColor(UIColor.HeaderBar.buttonColor, renderingMode: .alwaysOriginal)
let disabledButtonImage = image?.withTintColor(
UIColor.HeaderBar.disabledButtonColor,
renderingMode: .alwaysOriginal
)
let barButton = IncreasedHitButton(type: .system)
barButton.setImage(buttonImage, for: .normal)
barButton.setImage(disabledButtonImage, for: .disabled)
barButton.configureForAutoLayout()
return barButton
}
var showsDivider = false {
didSet {
if showsDivider {
layer.addSublayer(borderLayer)
} else {
borderLayer.removeFromSuperlayer()
}
}
}
override init(frame: CGRect) {
super.init(frame: frame)
directionalLayoutMargins = NSDirectionalEdgeInsets(
top: 0,
leading: UIMetrics.contentLayoutMargins.leading,
bottom: 0,
trailing: UIMetrics.contentLayoutMargins.trailing
)
accessibilityContainerType = .semanticGroup
let imageSize = brandNameImage?.size ?? .zero
let brandNameAspectRatio = imageSize.width / max(imageSize.height, 1)
[deviceName, timeLeft].forEach { deviceInfoHolder.addArrangedSubview($0) }
addConstrainedSubviews([logoImageView, brandNameImageView, buttonContainer, deviceInfoHolder]) {
logoImageView.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor)
logoImageView.centerYAnchor.constraint(equalTo: brandNameImageView.centerYAnchor)
logoImageView.widthAnchor.constraint(equalToConstant: UIMetrics.headerBarLogoSize)
logoImageView.heightAnchor.constraint(equalTo: logoImageView.widthAnchor, multiplier: 1)
brandNameImageView.leadingAnchor.constraint(
equalToSystemSpacingAfter: logoImageView.trailingAnchor,
multiplier: 1
)
brandNameImageView.topAnchor.constraint(
equalTo: layoutMarginsGuide.topAnchor,
constant: UIMetrics.headerBarLogoSize * 0.5
)
brandNameImageView.widthAnchor.constraint(
equalTo: brandNameImageView.heightAnchor,
multiplier: brandNameAspectRatio
)
brandNameImageView.heightAnchor.constraint(equalToConstant: UIMetrics.headerBarBrandNameHeight)
buttonContainer.centerYAnchor.constraint(equalTo: brandNameImageView.centerYAnchor)
buttonContainer.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor)
deviceInfoHolder.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor)
deviceInfoHolder.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor)
deviceInfoHolder.topAnchor.constraint(equalToSystemSpacingBelow: logoImageView.bottomAnchor, multiplier: 1)
layoutMarginsGuide.bottomAnchor.constraint(
equalToSystemSpacingBelow: deviceInfoHolder.bottomAnchor,
multiplier: 1
)
}
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func layoutSubviews() {
super.layoutSubviews()
borderLayer.frame = CGRect(x: 0, y: frame.maxY - 1, width: frame.width, height: 1)
brandNameImageView.isHidden = shouldHideBrandName()
}
/// Returns `true` if container holding buttons intersects brand name.
private func shouldHideBrandName() -> Bool {
let buttonContainerRect = buttonContainer.convert(buttonContainer.bounds, to: nil)
let brandNameRect = brandNameImageView.convert(brandNameImageView.bounds, to: nil)
return brandNameRect.intersects(buttonContainerRect)
}
}
extension HeaderBarView {
func update(configuration: RootConfiguration) {
if let name = configuration.deviceName {
let formattedDeviceName = NSLocalizedString(
"DEVICE_NAME_HEADER_VIEW",
tableName: "Account",
value: "Device name: %@",
comment: ""
)
deviceName.text = .init(format: formattedDeviceName, name)
}
if let expiry = configuration.expiry {
let formattedTimeLeft = NSLocalizedString(
"TIME_LEFT_HEADER_VIEW",
tableName: "Account",
value: "Time left: %@",
comment: ""
)
timeLeft.text = .init(
format: formattedTimeLeft,
CustomDateComponentsFormatting.localizedString(
from: Date(),
to: expiry,
unitsStyle: .full
) ?? ""
)
}
deviceInfoHolder.arrangedSubviews.forEach { $0.isHidden = !configuration.showsDeviceInfo }
accountButton.isHidden = !configuration.showsAccountButton
}
}
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