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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
import UIKit
class SafariInstructionsViewController: UIViewController {
private let detector = BlockerEnabledDetector()
private lazy var disabledStateView: DisabledStateView = {
let disabledStateView = DisabledStateView()
disabledStateView.translatesAutoresizingMaskIntoConstraints = false
return disabledStateView
}()
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .systemBackground
navigationController?.navigationBar.tintColor = .accent
view.addSubview(disabledStateView)
NSLayoutConstraint.activate([
disabledStateView.topAnchor.constraint(equalTo: view.topAnchor, constant: UIConstants.layout.settingsViewOffset),
disabledStateView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
disabledStateView.trailingAnchor.constraint(equalTo: view.trailingAnchor)
])
NotificationCenter.default.addObserver(self, selector: #selector(updateEnabledState), name: UIApplication.didBecomeActiveNotification, object: nil)
}
@objc
func updateEnabledState() {
detector.detectEnabled(view) { enabled in
if enabled {
self.navigationController!.popViewController(animated: true)
}
}
}
}
private class DisabledStateView: UIView {
private lazy var label: SmartLabel = {
let label = SmartLabel()
label.text = UIConstants.strings.safariInstructionsNotEnabled
label.textColor = UIColor.extensionNotEnabled
label.font = .body18Bold
label.setContentCompressionResistancePriority(.required, for: .vertical)
label.translatesAutoresizingMaskIntoConstraints = false
return label
}()
private lazy var instructionsView: InstructionsView = {
let instructionsView = InstructionsView()
instructionsView.translatesAutoresizingMaskIntoConstraints = false
return instructionsView
}()
private lazy var image: UIImageView = {
let disableStateIcon = UIImage(named: "enabled-no")!
let image = UIImageView(image: disableStateIcon)
image.translatesAutoresizingMaskIntoConstraints = false
return image
}()
init() {
super.init(frame: CGRect.zero)
addSubview(label)
addSubview(instructionsView)
addSubview(image)
NSLayoutConstraint.activate([
image.centerXAnchor.constraint(equalTo: self.centerXAnchor),
image.topAnchor.constraint(equalTo: self.topAnchor),
image.heightAnchor.constraint(equalToConstant: UIConstants.layout.settingsSafariViewImageSize),
image.widthAnchor.constraint(equalTo: image.heightAnchor),
label.centerXAnchor.constraint(equalTo: self.centerXAnchor),
label.topAnchor.constraint(equalTo: image.bottomAnchor, constant: UIConstants.layout.settingsViewOffset),
instructionsView.centerXAnchor.constraint(equalTo: self.centerXAnchor),
instructionsView.widthAnchor.constraint(equalToConstant: UIConstants.layout.settingsInstructionViewWidth),
instructionsView.topAnchor.constraint(equalTo: label.bottomAnchor, constant: UIConstants.layout.settingsViewOffset),
instructionsView.bottomAnchor.constraint(equalTo: self.bottomAnchor)
])
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}