123 lines
4.2 KiB
Swift
123 lines
4.2 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import UIKit
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import SessionUIKit
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final class OptionView: UIView {
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private let title: String
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private let explanation: String
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private let delegate: OptionViewDelegate
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private let isRecommended: Bool
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var isSelected = false { didSet { handleIsSelectedChanged() } }
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private static let cornerRadius: CGFloat = 8
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init(title: String, explanation: String, delegate: OptionViewDelegate, isRecommended: Bool = false) {
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self.title = title
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self.explanation = explanation
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self.delegate = delegate
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self.isRecommended = isRecommended
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super.init(frame: CGRect.zero)
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setUpViewHierarchy()
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}
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override init(frame: CGRect) {
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preconditionFailure("Use init(string:explanation:) instead.")
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}
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required init?(coder: NSCoder) {
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preconditionFailure("Use init(string:explanation:) instead.")
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}
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private func setUpViewHierarchy() {
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themeBackgroundColor = .backgroundSecondary
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// Round corners
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layer.cornerRadius = OptionView.cornerRadius
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// Set up border
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themeBorderColor = .borderSeparator
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layer.borderWidth = 1
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// Set up shadow
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themeShadowColor = .black
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layer.shadowOffset = CGSize(width: 0, height: 0.8)
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ThemeManager.onThemeChange(observer: self) { [weak self] theme, _ in
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switch theme.interfaceStyle {
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case .light:
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self?.layer.shadowOpacity = 0.16
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self?.layer.shadowRadius = 4
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default:
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self?.layer.shadowOpacity = 1
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self?.layer.shadowRadius = 6
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}
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}
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// Set up title label
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let titleLabel: UILabel = UILabel()
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titleLabel.font = .boldSystemFont(ofSize: Values.mediumFontSize)
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titleLabel.text = title
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titleLabel.themeTextColor = .textPrimary
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titleLabel.lineBreakMode = .byWordWrapping
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titleLabel.numberOfLines = 0
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// Set up explanation label
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let explanationLabel: UILabel = UILabel()
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explanationLabel.font = .systemFont(ofSize: Values.verySmallFontSize)
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explanationLabel.text = explanation
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explanationLabel.themeTextColor = .textPrimary
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explanationLabel.lineBreakMode = .byWordWrapping
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explanationLabel.numberOfLines = 0
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// Set up stack view
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let stackView = UIStackView(arrangedSubviews: [ titleLabel, explanationLabel ])
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stackView.axis = .vertical
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stackView.spacing = 4
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stackView.alignment = .fill
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addSubview(stackView)
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stackView.pin(.leading, to: .leading, of: self, withInset: 12)
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stackView.pin(.top, to: .top, of: self, withInset: 12)
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self.pin(.trailing, to: .trailing, of: stackView, withInset: 12)
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self.pin(.bottom, to: .bottom, of: stackView, withInset: 12)
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// Set up recommended label if needed
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if isRecommended {
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let recommendedLabel: UILabel = UILabel()
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recommendedLabel.font = .boldSystemFont(ofSize: Values.smallFontSize)
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recommendedLabel.text = "vc_pn_mode_recommended_option_tag".localized()
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recommendedLabel.themeTextColor = .primary
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stackView.addArrangedSubview(recommendedLabel)
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}
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// Set up tap gesture recognizer
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let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTap))
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addGestureRecognizer(tapGestureRecognizer)
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}
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@objc private func handleTap() {
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isSelected = !isSelected
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}
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private func handleIsSelectedChanged() {
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UIView.animate(withDuration: 0.3) { [weak self] in
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self?.themeBorderColor = (self?.isSelected == true ? .primary : .borderSeparator)
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self?.themeShadowColor = (self?.isSelected == true ? .primary : .black)
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}
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// Notify delegate
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if isSelected { delegate.optionViewDidActivate(self) }
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}
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}
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// MARK: - Option View Delegate
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protocol OptionViewDelegate {
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func optionViewDidActivate(_ optionView: OptionView)
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}
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