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//
// ConnectionPanelView.swift
// MullvadVPN
//
// Created by pronebird on 12/02/2020.
// Copyright © 2020 Mullvad VPN AB. All rights reserved.
//
import Foundation
import UIKit
struct ConnectionPanelData {
var inAddress: String
var outAddress: String?
}
class ConnectionPanelView: UIView {
var dataSource: ConnectionPanelData? {
didSet {
didChangeDataSource()
}
}
var showsConnectionInfo = false {
didSet {
updateConnectionInfoVisibility()
}
}
let collapseButton: ConnectionPanelCollapseButton = {
let button = ConnectionPanelCollapseButton(type: .custom)
button.translatesAutoresizingMaskIntoConstraints = false
button.tintColor = .white
return button
}()
private let protocolRow = ConnectionPanelProtocolTypeRow()
private let inAddressRow = ConnectionPanelAddressRow()
private let outAddressRow = ConnectionPanelAddressRow()
private lazy var stackView: UIStackView = {
let stackView = UIStackView(arrangedSubviews: [protocolRow, inAddressRow, outAddressRow])
stackView.axis = .vertical
stackView.translatesAutoresizingMaskIntoConstraints = false
return stackView
}()
private let textLabelLayoutGuide: UILayoutGuide = {
let layoutGuide = UILayoutGuide()
layoutGuide.identifier = "TextLabelLayoutGuide"
return layoutGuide
}()
override init(frame: CGRect) {
super.init(frame: frame)
commonInit()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
commonInit()
}
func didChangeDataSource() {
inAddressRow.detailTextLabel.text = dataSource?.inAddress
outAddressRow.detailTextLabel.text = dataSource?.outAddress
}
func toggleConnectionInfoVisibility() {
showsConnectionInfo = !showsConnectionInfo
}
private func updateConnectionInfoVisibility() {
stackView.isHidden = !showsConnectionInfo
collapseButton.style = showsConnectionInfo ? .up : .down
}
private func commonInit() {
protocolRow.translatesAutoresizingMaskIntoConstraints = false
inAddressRow.translatesAutoresizingMaskIntoConstraints = false
outAddressRow.translatesAutoresizingMaskIntoConstraints = false
// TODO: Unhide it when we have out address
outAddressRow.isHidden = true
protocolRow.textLabel.text = NSLocalizedString("WireGuard", comment: "")
inAddressRow.textLabel.text = NSLocalizedString("In", comment: "")
outAddressRow.textLabel.text = NSLocalizedString("Out", comment: "")
addSubview(collapseButton)
addSubview(stackView)
addLayoutGuide(textLabelLayoutGuide)
NSLayoutConstraint.activate([
collapseButton.topAnchor.constraint(equalTo: topAnchor),
collapseButton.leadingAnchor.constraint(equalTo: leadingAnchor),
collapseButton.trailingAnchor.constraint(equalTo: trailingAnchor),
stackView.topAnchor.constraint(equalTo: collapseButton.bottomAnchor, constant: 4),
stackView.leadingAnchor.constraint(equalTo: leadingAnchor),
stackView.trailingAnchor.constraint(equalTo: trailingAnchor),
stackView.bottomAnchor.constraint(equalTo: bottomAnchor),
// Align all text labels with the guide, so that they maintain equal width
textLabelLayoutGuide.trailingAnchor
.constraint(equalTo: inAddressRow.textLabel.trailingAnchor),
textLabelLayoutGuide.trailingAnchor
.constraint(equalTo: outAddressRow.textLabel.trailingAnchor)
])
updateConnectionInfoVisibility()
}
}
class ConnectionPanelProtocolTypeRow: UIView {
let textLabel = UILabel()
override init(frame: CGRect) {
super.init(frame: frame)
textLabel.translatesAutoresizingMaskIntoConstraints = false
textLabel.font = UIFont.systemFont(ofSize: 17)
textLabel.textColor = .white
addSubview(textLabel)
NSLayoutConstraint.activate([
textLabel.topAnchor.constraint(equalTo: topAnchor),
textLabel.bottomAnchor.constraint(equalTo: bottomAnchor),
textLabel.leadingAnchor.constraint(equalTo: leadingAnchor),
textLabel.trailingAnchor.constraint(equalTo: trailingAnchor)
])
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
class ConnectionPanelAddressRow: UIView {
let textLabel = UILabel()
let detailTextLabel = UILabel()
let stackView: UIStackView
override init(frame: CGRect) {
let font = UIFont.systemFont(ofSize: 17)
textLabel.font = font
textLabel.textColor = .white
textLabel.translatesAutoresizingMaskIntoConstraints = false
textLabel.setContentHuggingPriority(.defaultHigh, for: .horizontal)
detailTextLabel.font = font
detailTextLabel.textColor = .white
detailTextLabel.translatesAutoresizingMaskIntoConstraints = false
stackView = UIStackView(arrangedSubviews: [textLabel, detailTextLabel])
stackView.spacing = UIStackView.spacingUseSystem
stackView.translatesAutoresizingMaskIntoConstraints = false
super.init(frame: frame)
addSubview(stackView)
NSLayoutConstraint.activate([
stackView.topAnchor.constraint(equalTo: topAnchor),
stackView.bottomAnchor.constraint(equalTo: bottomAnchor),
stackView.leadingAnchor.constraint(equalTo: leadingAnchor),
stackView.trailingAnchor.constraint(equalTo: trailingAnchor)
])
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
class ConnectionPanelCollapseButton: CustomButton {
enum Style {
case up, down
var image: UIImage? {
switch self {
case .up:
return UIImage(named: "IconChevronUp")
case .down:
return UIImage(named: "IconChevronDown")
}
}
}
var style = Style.up {
didSet {
updateButtonImage()
}
}
override init(frame: CGRect) {
super.init(frame: frame)
commonInit()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
commonInit()
}
private func commonInit() {
setTitleColor(UIColor.white, for: .normal)
setTitleColor(UIColor.lightGray, for: .highlighted)
setTitleColor(UIColor.lightGray, for: .disabled)
contentHorizontalAlignment = .leading
imageAlignment = .trailing
inlineImageSpacing = 0
updateButtonImage()
}
private func updateButtonImage() {
setImage(style.image, for: .normal)
}
}
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