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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 Common
import UIKit
/// The view model used to configure a ShadowCardView
public struct ShadowCardViewModel {
public let view: UIView
public let a11yId: String
// We need this init as by default the init generated by the compiler for the struct will be internal and
// can therefor not be used outside of the component library
public init(view: UIView, a11yId: String) {
self.view = view
self.a11yId = a11yId
}
}
public class ShadowCardView: UIView, ThemeApplicable {
private struct UX {
static let verticalPadding: CGFloat = 8
static let horizontalPadding: CGFloat = 8
static let cornerRadius: CGFloat = 8
static let shadowRadius: CGFloat = 14
static let shadowOpacity: Float = 1
static let shadowOffset = CGSize(width: 0, height: 2)
}
// MARK: - Properties
// UI
private lazy var rootView: UIView = .build { _ in }
// MARK: - Inits
override init(frame: CGRect) {
super.init(frame: frame)
setupLayout()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override public func layoutSubviews() {
super.layoutSubviews()
rootView.layer.shadowPath = UIBezierPath(roundedRect: rootView.bounds,
cornerRadius: UX.cornerRadius).cgPath
}
public func applyTheme(theme: Theme) {
rootView.backgroundColor = theme.colors.layer2
setupShadow(theme: theme)
}
public func configure(_ viewModel: ShadowCardViewModel) {
rootView.subviews.forEach { $0.removeFromSuperview() }
rootView.addSubview(viewModel.view)
rootView.accessibilityIdentifier = viewModel.a11yId
NSLayoutConstraint.activate([
viewModel.view.leadingAnchor.constraint(equalTo: rootView.leadingAnchor,
constant: UX.horizontalPadding),
viewModel.view.topAnchor.constraint(equalTo: rootView.topAnchor,
constant: UX.verticalPadding),
viewModel.view.trailingAnchor.constraint(equalTo: rootView.trailingAnchor,
constant: -UX.horizontalPadding),
viewModel.view.bottomAnchor.constraint(equalTo: rootView.bottomAnchor,
constant: -UX.verticalPadding),
])
}
private func setupLayout() {
addSubview(rootView)
NSLayoutConstraint.activate([
rootView.leadingAnchor.constraint(equalTo: leadingAnchor),
rootView.topAnchor.constraint(equalTo: topAnchor),
rootView.trailingAnchor.constraint(equalTo: trailingAnchor),
rootView.bottomAnchor.constraint(equalTo: bottomAnchor),
])
}
private func setupShadow(theme: Theme) {
rootView.layer.cornerRadius = UX.cornerRadius
rootView.layer.shadowPath = UIBezierPath(roundedRect: rootView.bounds,
cornerRadius: UX.cornerRadius).cgPath
rootView.layer.shadowRadius = UX.shadowRadius
rootView.layer.shadowOffset = UX.shadowOffset
rootView.layer.shadowColor = theme.colors.shadowDefault.cgColor
rootView.layer.shadowOpacity = UX.shadowOpacity
}
}