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// SPDX-License-Identifier: MIT
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
import Cocoa
import CoreWLAN
class OnDemandWiFiControls: NSStackView {
let onDemandWiFiCheckbox: NSButton = {
let checkbox = NSButton()
checkbox.title = tr("tunnelOnDemandWiFi")
checkbox.setButtonType(.switch)
checkbox.state = .off
return checkbox
}()
static let onDemandSSIDOptions: [ActivateOnDemandViewModel.OnDemandSSIDOption] = [
.anySSID, .onlySpecificSSIDs, .exceptSpecificSSIDs
]
let onDemandSSIDOptionsPopup = NSPopUpButton()
let onDemandSSIDsField: NSTokenField = {
let tokenField = NSTokenField()
tokenField.tokenizingCharacterSet = CharacterSet([])
NSLayoutConstraint.activate([
tokenField.widthAnchor.constraint(greaterThanOrEqualToConstant: 150)
])
return tokenField
}()
override var intrinsicContentSize: NSSize {
let minHeight: CGFloat = 22
let height = max(minHeight, onDemandWiFiCheckbox.intrinsicContentSize.height, onDemandSSIDOptionsPopup.intrinsicContentSize.height, onDemandSSIDsField.intrinsicContentSize.height)
return NSSize(width: NSView.noIntrinsicMetric, height: height)
}
var onDemandViewModel: ActivateOnDemandViewModel? {
didSet { updateSSIDControls() }
}
var currentSSIDs: [String]
init() {
currentSSIDs = getCurrentSSIDs()
super.init(frame: CGRect.zero)
onDemandSSIDOptionsPopup.addItems(withTitles: OnDemandWiFiControls.onDemandSSIDOptions.map { $0.localizedUIString })
setViews([onDemandWiFiCheckbox, onDemandSSIDOptionsPopup, onDemandSSIDsField], in: .leading)
orientation = .horizontal
NSLayoutConstraint.activate([
onDemandWiFiCheckbox.centerYAnchor.constraint(equalTo: centerYAnchor),
onDemandSSIDOptionsPopup.lastBaselineAnchor.constraint(equalTo: onDemandWiFiCheckbox.lastBaselineAnchor),
onDemandSSIDsField.lastBaselineAnchor.constraint(equalTo: onDemandWiFiCheckbox.lastBaselineAnchor)
])
onDemandWiFiCheckbox.target = self
onDemandWiFiCheckbox.action = #selector(wiFiCheckboxToggled)
onDemandSSIDOptionsPopup.target = self
onDemandSSIDOptionsPopup.action = #selector(ssidOptionsPopupValueChanged)
onDemandSSIDsField.delegate = self
updateSSIDControls()
}
required init?(coder decoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func saveToViewModel() {
guard let onDemandViewModel = onDemandViewModel else { return }
onDemandViewModel.isWiFiInterfaceEnabled = onDemandWiFiCheckbox.state == .on
onDemandViewModel.ssidOption = OnDemandWiFiControls.onDemandSSIDOptions[onDemandSSIDOptionsPopup.indexOfSelectedItem]
onDemandViewModel.selectedSSIDs = (onDemandSSIDsField.objectValue as? [String]) ?? []
}
func updateSSIDControls() {
guard let onDemandViewModel = onDemandViewModel else { return }
onDemandWiFiCheckbox.state = onDemandViewModel.isWiFiInterfaceEnabled ? .on : .off
let optionIndex = OnDemandWiFiControls.onDemandSSIDOptions.firstIndex(of: onDemandViewModel.ssidOption)
onDemandSSIDOptionsPopup.selectItem(at: optionIndex ?? 0)
onDemandSSIDsField.objectValue = onDemandViewModel.selectedSSIDs
onDemandSSIDOptionsPopup.isHidden = !onDemandViewModel.isWiFiInterfaceEnabled
onDemandSSIDsField.isHidden = !onDemandViewModel.isWiFiInterfaceEnabled || onDemandViewModel.ssidOption == .anySSID
}
@objc func wiFiCheckboxToggled() {
onDemandViewModel?.isWiFiInterfaceEnabled = onDemandWiFiCheckbox.state == .on
updateSSIDControls()
}
@objc func ssidOptionsPopupValueChanged() {
let selectedIndex = onDemandSSIDOptionsPopup.indexOfSelectedItem
onDemandViewModel?.ssidOption = OnDemandWiFiControls.onDemandSSIDOptions[selectedIndex]
onDemandViewModel?.selectedSSIDs = (onDemandSSIDsField.objectValue as? [String]) ?? []
updateSSIDControls()
if !onDemandSSIDsField.isHidden {
onDemandSSIDsField.becomeFirstResponder()
}
}
}
extension OnDemandWiFiControls: NSTokenFieldDelegate {
func tokenField(_ tokenField: NSTokenField, completionsForSubstring substring: String, indexOfToken tokenIndex: Int, indexOfSelectedItem selectedIndex: UnsafeMutablePointer<Int>?) -> [Any]? {
return currentSSIDs.filter { $0.hasPrefix(substring) }
}
}
private func getCurrentSSIDs() -> [String] {
return CWWiFiClient.shared().interfaces()?.compactMap { $0.ssid() } ?? []
}
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