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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)
let logoImageView: UIImageView = {
let imageView = UIImageView(image: UIImage(named: "LogoIcon"))
imageView.translatesAutoresizingMaskIntoConstraints = false
return imageView
}()
lazy var brandNameImageView: UIImageView = {
let imageView = UIImageView(image: brandNameImage)
imageView.translatesAutoresizingMaskIntoConstraints = false
imageView.contentMode = .scaleAspectFill
return imageView
}()
let settingsButton = makeSettingsButton()
class func makeSettingsButton() -> HeaderBarButton {
let settingsImage = UIImage(named: "IconSettings")?
.withTintColor(UIColor.HeaderBar.buttonColor, renderingMode: .alwaysOriginal)
let disabledSettingsImage = UIImage(named: "IconSettings")?
.withTintColor(
UIColor.HeaderBar.disabledButtonColor,
renderingMode: .alwaysOriginal
)
let settingsButton = HeaderBarButton(type: .system)
settingsButton.setImage(settingsImage, for: .normal)
settingsButton.setImage(disabledSettingsImage, for: .disabled)
settingsButton.translatesAutoresizingMaskIntoConstraints = false
settingsButton.accessibilityIdentifier = "SettingsButton"
settingsButton.accessibilityLabel = NSLocalizedString(
"HEADER_BAR_SETTINGS_BUTTON_ACCESSIBILITY_LABEL",
tableName: "HeaderBar",
value: "Settings",
comment: ""
)
return settingsButton
}
private let borderLayer: CALayer = {
let layer = CALayer()
layer.backgroundColor = UIColor.HeaderBar.dividerColor.cgColor
return layer
}()
var showsDivider = false {
didSet {
if showsDivider {
layer.addSublayer(borderLayer)
} else {
borderLayer.removeFromSuperlayer()
}
}
}
override init(frame: CGRect) {
super.init(frame: frame)
layoutMargins = UIEdgeInsets(
top: 0,
left: UIMetrics.contentLayoutMargins.left,
bottom: 0,
right: UIMetrics.contentLayoutMargins.right
)
accessibilityContainerType = .semanticGroup
let imageSize = brandNameImage?.size ?? .zero
let brandNameAspectRatio = imageSize.width / max(imageSize.height, 1)
let constraints = [
logoImageView.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor),
logoImageView.centerYAnchor.constraint(equalTo: brandNameImageView.centerYAnchor),
logoImageView.widthAnchor.constraint(equalToConstant: 44),
logoImageView.heightAnchor.constraint(
equalTo: logoImageView.widthAnchor,
multiplier: 1
),
brandNameImageView.leadingAnchor.constraint(
equalTo: logoImageView.trailingAnchor,
constant: 9
),
brandNameImageView.topAnchor.constraint(
equalTo: layoutMarginsGuide.topAnchor,
constant: 22
),
brandNameImageView.widthAnchor.constraint(
equalTo: brandNameImageView.heightAnchor,
multiplier: brandNameAspectRatio
),
brandNameImageView.heightAnchor.constraint(equalToConstant: 18),
layoutMarginsGuide.bottomAnchor.constraint(
equalTo: brandNameImageView.bottomAnchor,
constant: 22
),
settingsButton.leadingAnchor.constraint(
greaterThanOrEqualTo: brandNameImageView.trailingAnchor,
constant: 8
),
settingsButton.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor),
settingsButton.centerYAnchor.constraint(equalTo: brandNameImageView.centerYAnchor),
]
[logoImageView, brandNameImageView, settingsButton].forEach { addSubview($0) }
NSLayoutConstraint.activate(constraints)
}
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)
}
}
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