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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
import Common
/// A wrapped UIImageView which displays a plain search engine icon with no tapping features.
final class PlainSearchEngineView: UIView, SearchEngineView, ThemeApplicable {
// MARK: - Properties
private enum UX {
static let cornerRadius: CGFloat = 4
static let imageViewSize = CGSize(width: 24, height: 24)
}
private lazy var searchEngineImageView: UIImageView = .build { imageView in
imageView.contentMode = .scaleAspectFit
imageView.layer.cornerRadius = UX.cornerRadius
imageView.isAccessibilityElement = true
imageView.clipsToBounds = true
}
// MARK: - Init
override init(frame: CGRect) {
super.init(frame: .zero)
setupLayout()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func configure(_ state: LocationViewState, delegate: LocationViewDelegate) {
searchEngineImageView.image = state.searchEngineImage
configureA11y(state)
}
// MARK: - Layout
private func setupLayout() {
translatesAutoresizingMaskIntoConstraints = true
addSubviews(searchEngineImageView)
NSLayoutConstraint.activate([
searchEngineImageView.heightAnchor.constraint(equalToConstant: UX.imageViewSize.height),
searchEngineImageView.widthAnchor.constraint(equalToConstant: UX.imageViewSize.width),
searchEngineImageView.leadingAnchor.constraint(equalTo: self.leadingAnchor),
searchEngineImageView.trailingAnchor.constraint(equalTo: self.trailingAnchor),
searchEngineImageView.topAnchor.constraint(greaterThanOrEqualTo: self.topAnchor),
searchEngineImageView.bottomAnchor.constraint(lessThanOrEqualTo: self.bottomAnchor),
searchEngineImageView.centerXAnchor.constraint(equalTo: self.centerXAnchor),
searchEngineImageView.centerYAnchor.constraint(equalTo: self.centerYAnchor),
])
}
// MARK: - Accessibility
private func configureA11y(_ state: LocationViewState) {
searchEngineImageView.accessibilityIdentifier = state.searchEngineImageViewA11yId
searchEngineImageView.accessibilityLabel = state.searchEngineImageViewA11yLabel
searchEngineImageView.largeContentTitle = state.searchEngineImageViewA11yLabel
searchEngineImageView.largeContentImage = nil
}
// MARK: - ThemeApplicable
func applyTheme(theme: Theme) {
let colors = theme.colors
searchEngineImageView.backgroundColor = colors.layer2
}
}