mirror of
https://github.com/passepartoutvpn/wireguard-apple.git
synced 2024-12-24 10:32:36 +00:00
ac9f7b9f5e
Signed-off-by: Andrej Mihajlov <and@mullvad.net> Signed-off-by: Roopesh Chander <roop@roopc.net>
191 lines
7.6 KiB
Swift
191 lines
7.6 KiB
Swift
// SPDX-License-Identifier: MIT
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// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
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import UIKit
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class TunnelListCell: UITableViewCell {
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var tunnel: TunnelContainer? {
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didSet {
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// Bind to the tunnel's name
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nameLabel.text = tunnel?.name ?? ""
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nameObservationToken = tunnel?.observe(\.name) { [weak self] tunnel, _ in
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self?.nameLabel.text = tunnel.name
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}
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// Bind to the tunnel's status
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update(from: tunnel, animated: false)
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statusObservationToken = tunnel?.observe(\.status) { [weak self] tunnel, _ in
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self?.update(from: tunnel, animated: true)
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}
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// Bind to tunnel's on-demand settings
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isOnDemandEnabledObservationToken = tunnel?.observe(\.isActivateOnDemandEnabled) { [weak self] tunnel, _ in
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self?.update(from: tunnel, animated: true)
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}
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hasOnDemandRulesObservationToken = tunnel?.observe(\.hasOnDemandRules) { [weak self] tunnel, _ in
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self?.update(from: tunnel, animated: true)
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}
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}
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}
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var onSwitchToggled: ((Bool) -> Void)?
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let nameLabel: UILabel = {
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let nameLabel = UILabel()
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nameLabel.font = UIFont.preferredFont(forTextStyle: .body)
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nameLabel.adjustsFontForContentSizeCategory = true
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nameLabel.numberOfLines = 0
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return nameLabel
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}()
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let subTitleLabel: UILabel = {
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let subTitleLabel = UILabel()
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subTitleLabel.font = UIFont.preferredFont(forTextStyle: .subheadline)
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if #available(iOS 13.0, *) {
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subTitleLabel.textColor = .secondaryLabel
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} else {
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subTitleLabel.textColor = .systemGray
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}
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subTitleLabel.adjustsFontForContentSizeCategory = true
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return subTitleLabel
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}()
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let busyIndicator: UIActivityIndicatorView = {
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let busyIndicator: UIActivityIndicatorView
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if #available(iOS 13.0, *) {
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busyIndicator = UIActivityIndicatorView(style: .medium)
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} else {
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busyIndicator = UIActivityIndicatorView(style: .gray)
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}
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busyIndicator.hidesWhenStopped = true
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return busyIndicator
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}()
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let statusSwitch = UISwitch()
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private var nameObservationToken: NSKeyValueObservation?
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private var statusObservationToken: NSKeyValueObservation?
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private var isOnDemandEnabledObservationToken: NSKeyValueObservation?
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private var hasOnDemandRulesObservationToken: NSKeyValueObservation?
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private var subTitleLabelBottomConstraint: NSLayoutConstraint?
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private var nameLabelBottomConstraint: NSLayoutConstraint?
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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accessoryType = .disclosureIndicator
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for subview in [statusSwitch, busyIndicator, nameLabel, subTitleLabel] {
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subview.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(subview)
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}
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nameLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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let nameLabelBottomConstraint =
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contentView.layoutMarginsGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: nameLabel.bottomAnchor, multiplier: 1)
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nameLabelBottomConstraint.priority = .defaultLow
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self.nameLabelBottomConstraint = nameLabelBottomConstraint
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subTitleLabelBottomConstraint =
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contentView.layoutMarginsGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: subTitleLabel.bottomAnchor, multiplier: 1)
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subTitleLabelBottomConstraint?.priority = .defaultLow
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NSLayoutConstraint.activate([
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statusSwitch.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
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statusSwitch.trailingAnchor.constraint(equalTo: contentView.layoutMarginsGuide.trailingAnchor),
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statusSwitch.leadingAnchor.constraint(equalToSystemSpacingAfter: busyIndicator.trailingAnchor, multiplier: 1),
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nameLabel.topAnchor.constraint(equalToSystemSpacingBelow: contentView.layoutMarginsGuide.topAnchor, multiplier: 1),
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nameLabel.leadingAnchor.constraint(equalToSystemSpacingAfter: contentView.layoutMarginsGuide.leadingAnchor, multiplier: 1),
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nameLabel.trailingAnchor.constraint(lessThanOrEqualTo: statusSwitch.leadingAnchor),
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nameLabelBottomConstraint,
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subTitleLabel.topAnchor.constraint(equalToSystemSpacingBelow: nameLabel.bottomAnchor, multiplier: 0.25),
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subTitleLabel.leadingAnchor.constraint(equalToSystemSpacingAfter: contentView.layoutMarginsGuide.leadingAnchor, multiplier: 1),
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subTitleLabel.trailingAnchor.constraint(lessThanOrEqualTo: statusSwitch.leadingAnchor),
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busyIndicator.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
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busyIndicator.leadingAnchor.constraint(equalToSystemSpacingAfter: nameLabel.trailingAnchor, multiplier: 1)
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])
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statusSwitch.addTarget(self, action: #selector(switchToggled), for: .valueChanged)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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reset(animated: false)
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}
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override func setEditing(_ editing: Bool, animated: Bool) {
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super.setEditing(editing, animated: animated)
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statusSwitch.isEnabled = !editing
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}
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@objc private func switchToggled() {
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onSwitchToggled?(statusSwitch.isOn)
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}
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private func setSubTitleText(_ string: String?) {
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if let string = string {
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subTitleLabel.text = string
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subTitleLabel.isHidden = false
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nameLabelBottomConstraint?.isActive = false
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subTitleLabelBottomConstraint?.isActive = true
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} else {
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subTitleLabel.text = nil
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subTitleLabel.isHidden = true
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subTitleLabelBottomConstraint?.isActive = false
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nameLabelBottomConstraint?.isActive = true
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}
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}
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private func update(from tunnel: TunnelContainer?, animated: Bool) {
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guard let tunnel = tunnel else {
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reset(animated: animated)
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return
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}
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let status = tunnel.status
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let isOnDemandEngaged = tunnel.isActivateOnDemandEnabled
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let shouldSwitchBeOn = ((status != .deactivating && status != .inactive) || isOnDemandEngaged)
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statusSwitch.setOn(shouldSwitchBeOn, animated: true)
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if isOnDemandEngaged && !(status == .activating || status == .active) {
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statusSwitch.onTintColor = UIColor.systemYellow
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} else {
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statusSwitch.onTintColor = UIColor.systemGreen
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}
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statusSwitch.isUserInteractionEnabled = (status == .inactive || status == .active)
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if tunnel.isActivateOnDemandEnabled {
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setSubTitleText(tr("tunnelsListOnDemandActiveCellSubTitle"))
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} else {
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setSubTitleText(nil)
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}
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if tunnel.hasOnDemandRules {
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statusSwitch.isUserInteractionEnabled = true
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} else {
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statusSwitch.isUserInteractionEnabled = (status == .inactive || status == .active)
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}
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if status == .inactive || status == .active {
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busyIndicator.stopAnimating()
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} else {
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busyIndicator.startAnimating()
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}
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}
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private func reset(animated: Bool) {
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setSubTitleText(nil)
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statusSwitch.thumbTintColor = nil
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statusSwitch.setOn(false, animated: animated)
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statusSwitch.isUserInteractionEnabled = false
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busyIndicator.stopAnimating()
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}
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}
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