amnezia-client/client/platforms/ios/ScreenProtection.swift
2025-03-04 18:13:04 +07:00

92 lines
2.7 KiB
Swift

import UIKit
public func toggleScreenshots(_ isEnabled: Bool) {
let window = UIApplication.shared.keyWindows.first!
if isEnabled {
ScreenProtection.shared.disable(for: window.rootViewController!.view)
} else {
ScreenProtection.shared.enable(for: window.rootViewController!.view)
}
}
extension UIApplication {
var keyWindows: [UIWindow] {
connectedScenes
.compactMap {
guard let windowScene = $0 as? UIWindowScene else { return nil }
if #available(iOS 15.0, *) {
guard let keywindow = windowScene.keyWindow else {
windowScene.windows.first?.makeKey()
return windowScene.windows.first
}
return keywindow
} else {
return windowScene.windows.first { $0.isKeyWindow }
}
}
}
}
class ScreenProtection {
public static let shared = ScreenProtection()
var pairs = [ProtectionPair]()
private var blurView: UIVisualEffectView?
private var recordingObservation: NSKeyValueObservation?
public func enable(for view: UIView) {
DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
view.subviews.forEach {
self.pairs.append(ProtectionPair(from: $0))
}
}
}
public func disable(for view: UIView) {
DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
self.pairs.forEach {
$0.removeProtection()
}
self.pairs.removeAll()
}
}
}
struct ProtectionPair {
let textField: UITextField
let layer: CALayer
init(from view: UIView) {
let secureTextField = UITextField()
secureTextField.backgroundColor = .clear
secureTextField.translatesAutoresizingMaskIntoConstraints = false
secureTextField.isSecureTextEntry = true
view.insertSubview(secureTextField, at: 0)
secureTextField.isUserInteractionEnabled = false
view.layer.superlayer?.addSublayer(secureTextField.layer)
secureTextField.layer.sublayers?.last?.addSublayer(view.layer)
secureTextField.topAnchor.constraint(equalTo: view.topAnchor, constant: 0).isActive = true
secureTextField.bottomAnchor.constraint(equalTo: view.bottomAnchor, constant: 0).isActive = true
secureTextField.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 0).isActive = true
secureTextField.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: 0).isActive = true
self.init(textField: secureTextField, layer: view.layer)
}
init(textField: UITextField, layer: CALayer) {
self.textField = textField
self.layer = layer
}
func removeProtection() {
textField.superview?.superview?.layer.addSublayer(layer)
textField.layer.removeFromSuperlayer()
textField.removeFromSuperview()
}
}