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

70 lines
3.1 KiB
Swift

final class URLModal : Modal {
private let url: URL
// MARK: Lifecycle
init(url: URL) {
self.url = url
super.init(nibName: nil, bundle: nil)
}
override init(nibName: String?, bundle: Bundle?) {
preconditionFailure("Use init(url:) instead.")
}
required init?(coder: NSCoder) {
preconditionFailure("Use init(url:) instead.")
}
override func populateContentView() {
// Title
let titleLabel = UILabel()
titleLabel.textColor = Colors.text
titleLabel.font = .boldSystemFont(ofSize: Values.largeFontSize)
titleLabel.text = "Open URL?"
titleLabel.textAlignment = .center
// Message
let messageLabel = UILabel()
messageLabel.textColor = Colors.text
messageLabel.font = .systemFont(ofSize: Values.smallFontSize)
let message = "Are you sure you want to open \(url.absoluteString)?"
let attributedMessage = NSMutableAttributedString(string: message)
attributedMessage.addAttributes([ .font : UIFont.boldSystemFont(ofSize: Values.smallFontSize) ], range: (message as NSString).range(of: url.absoluteString))
messageLabel.attributedText = attributedMessage
messageLabel.numberOfLines = 0
messageLabel.lineBreakMode = .byWordWrapping
messageLabel.textAlignment = .center
// Open button
let openButton = UIButton()
openButton.set(.height, to: Values.mediumButtonHeight)
openButton.layer.cornerRadius = Modal.buttonCornerRadius
openButton.backgroundColor = Colors.buttonBackground
openButton.titleLabel!.font = .systemFont(ofSize: Values.smallFontSize)
openButton.setTitleColor(Colors.text, for: UIControl.State.normal)
openButton.setTitle("Open", for: UIControl.State.normal)
openButton.addTarget(self, action: #selector(openURL), for: UIControl.Event.touchUpInside)
// Button stack view
let buttonStackView = UIStackView(arrangedSubviews: [ cancelButton, openButton ])
buttonStackView.axis = .horizontal
buttonStackView.spacing = Values.mediumSpacing
buttonStackView.distribution = .fillEqually
// Main stack view
let mainStackView = UIStackView(arrangedSubviews: [ titleLabel, messageLabel, buttonStackView ])
mainStackView.axis = .vertical
mainStackView.spacing = Values.largeSpacing
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: Values.largeSpacing)
}
// MARK: Interaction
@objc private func openURL() {
let url = self.url
presentingViewController?.dismiss(animated: true, completion: {
UIApplication.shared.open(url, options: [:], completionHandler: nil)
})
}
}