mirror of https://github.com/oxen-io/session-ios
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
2.2 KiB
Swift
61 lines
2.2 KiB
Swift
|
|
class Sheet : BaseVC {
|
|
private(set) var bottomConstraint: NSLayoutConstraint!
|
|
|
|
// MARK: Settings
|
|
let overshoot: CGFloat = 40
|
|
|
|
// MARK: Components
|
|
lazy var contentView: UIView = {
|
|
let result = UIView()
|
|
result.backgroundColor = Colors.modalBackground
|
|
result.layer.cornerRadius = 24
|
|
result.layer.masksToBounds = false
|
|
result.layer.borderColor = isLightMode ? UIColor.white.cgColor : Colors.modalBorder.cgColor
|
|
result.layer.borderWidth = Values.borderThickness
|
|
result.layer.shadowColor = UIColor.black.cgColor
|
|
result.layer.shadowRadius = isLightMode ? 2 : 8
|
|
result.layer.shadowOpacity = isLightMode ? 0.1 : 0.64
|
|
return result
|
|
}()
|
|
|
|
// MARK: Lifecycle
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
let alpha = isLightMode ? CGFloat(0.1) : Values.modalBackgroundOpacity
|
|
view.backgroundColor = UIColor(hex: 0x000000).withAlphaComponent(alpha)
|
|
let swipeGestureRecognizer = UISwipeGestureRecognizer(target: self, action: #selector(close))
|
|
swipeGestureRecognizer.direction = .down
|
|
view.addGestureRecognizer(swipeGestureRecognizer)
|
|
setUpViewHierarchy()
|
|
}
|
|
|
|
private func setUpViewHierarchy() {
|
|
view.addSubview(contentView)
|
|
contentView.pin(.leading, to: .leading, of: view, withInset: -Values.borderThickness)
|
|
contentView.pin(.trailing, to: .trailing, of: view, withInset: Values.borderThickness)
|
|
bottomConstraint = contentView.pin(.bottom, to: .bottom, of: view, withInset: overshoot)
|
|
populateContentView()
|
|
}
|
|
|
|
/// To be overridden by subclasses.
|
|
func populateContentView() {
|
|
preconditionFailure("populateContentView() is abstract and must be overridden.")
|
|
}
|
|
|
|
// MARK: Interaction
|
|
override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
|
|
let touch = touches.first!
|
|
let location = touch.location(in: view)
|
|
if contentView.frame.contains(location) {
|
|
super.touchesBegan(touches, with: event)
|
|
} else {
|
|
close()
|
|
}
|
|
}
|
|
|
|
@objc func close() {
|
|
dismiss(animated: true, completion: nil)
|
|
}
|
|
}
|