session-ios/Session/Conversations/Views & Modals/LinkPreviewModal.swift

72 lines
3.3 KiB
Swift

final class LinkPreviewModal : Modal {
private let onLinkPreviewsEnabled: () -> Void
// MARK: Lifecycle
init(onLinkPreviewsEnabled: @escaping () -> Void) {
self.onLinkPreviewsEnabled = onLinkPreviewsEnabled
super.init(nibName: nil, bundle: nil)
}
required init?(coder: NSCoder) {
preconditionFailure("Use init(onLinkPreviewsEnabled:) instead.")
}
override init(nibName: String?, bundle: Bundle?) {
preconditionFailure("Use init(onLinkPreviewsEnabled:) instead.")
}
override func populateContentView() {
// Title
let titleLabel = UILabel()
titleLabel.textColor = Colors.text
titleLabel.font = .boldSystemFont(ofSize: Values.mediumFontSize)
titleLabel.text = NSLocalizedString("modal_link_previews_title", comment: "")
titleLabel.textAlignment = .center
// Message
let messageLabel = UILabel()
messageLabel.textColor = Colors.text
messageLabel.font = .systemFont(ofSize: Values.smallFontSize)
let message = NSLocalizedString("modal_link_previews_explanation", comment: "")
messageLabel.text = message
messageLabel.numberOfLines = 0
messageLabel.lineBreakMode = .byWordWrapping
messageLabel.textAlignment = .center
// Enable button
let enableButton = UIButton()
enableButton.set(.height, to: Values.mediumButtonHeight)
enableButton.layer.cornerRadius = Modal.buttonCornerRadius
enableButton.backgroundColor = Colors.buttonBackground
enableButton.titleLabel!.font = .systemFont(ofSize: Values.smallFontSize)
enableButton.setTitleColor(Colors.text, for: UIControl.State.normal)
enableButton.setTitle(NSLocalizedString("modal_link_previews_button_title", comment: ""), for: UIControl.State.normal)
enableButton.addTarget(self, action: #selector(enable), for: UIControl.Event.touchUpInside)
// Button stack view
let buttonStackView = UIStackView(arrangedSubviews: [ cancelButton, enableButton ])
buttonStackView.axis = .horizontal
buttonStackView.spacing = Values.mediumSpacing
buttonStackView.distribution = .fillEqually
// Content stack view
let contentStackView = UIStackView(arrangedSubviews: [ titleLabel, messageLabel ])
contentStackView.axis = .vertical
contentStackView.spacing = Values.largeSpacing
// Main stack view
let spacing = Values.largeSpacing - Values.smallFontSize / 2
let mainStackView = UIStackView(arrangedSubviews: [ contentStackView, buttonStackView ])
mainStackView.axis = .vertical
mainStackView.spacing = spacing
contentView.addSubview(mainStackView)
mainStackView.pin(.leading, to: .leading, of: contentView, withInset: Values.largeSpacing)
mainStackView.pin(.top, to: .top, of: contentView, withInset: Values.largeSpacing)
contentView.pin(.trailing, to: .trailing, of: mainStackView, withInset: Values.largeSpacing)
contentView.pin(.bottom, to: .bottom, of: mainStackView, withInset: spacing)
}
// MARK: Interaction
@objc private func enable() {
SSKPreferences.areLinkPreviewsEnabled = true
presentingViewController?.dismiss(animated: true, completion: nil)
onLinkPreviewsEnabled()
}
}