2faeff7589
• fix issue where text was made white and wasn't visible unless in dark mode. • use UIColor.Signal colors. • better vertical alignment.
88 lines
2.7 KiB
Swift
88 lines
2.7 KiB
Swift
//
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// Copyright 2017 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import SignalServiceKit
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import SignalUI
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// All Observer methods will be invoked from the main thread.
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protocol SAEFailedViewDelegate: AnyObject {
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func shareViewWasCancelled()
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}
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class SAEFailedViewController: UIViewController {
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private weak var delegate: SAEFailedViewDelegate?
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private let failureTitle: String
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private let failureMessage: String
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// MARK: Initializers and Factory Methods
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init(delegate: SAEFailedViewDelegate, title: String, message: String) {
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self.delegate = delegate
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self.failureTitle = title
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self.failureMessage = message
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super.init(nibName: nil, bundle: nil)
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}
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@available(*, unavailable, message: "use other constructor instead.")
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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navigationItem.leftBarButtonItem = .cancelButton { [weak self] in
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self?.cancelPressed()
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}
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navigationItem.title = "Signal"
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view.backgroundColor = .Signal.background
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let logoImageView = UIImageView(image: UIImage(named: "signal-logo-128-launch-screen"))
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let titleLabel = UILabel.headlineLabel(text: failureTitle, semibold: true)
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titleLabel.text = failureTitle
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titleLabel.textAlignment = .center
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let messageLabel = UILabel.subheadlineLabel(text: failureMessage)
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messageLabel.textAlignment = .center
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let vStack = UIStackView(arrangedSubviews: [logoImageView, titleLabel, messageLabel])
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vStack.alignment = .center
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vStack.axis = .vertical
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vStack.spacing = 12
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vStack.setCustomSpacing(24, after: logoImageView)
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view.addSubview(vStack)
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vStack.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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vStack.topAnchor.constraint(greaterThanOrEqualTo: view.layoutMarginsGuide.topAnchor),
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vStack.centerYAnchor.constraint(equalTo: view.layoutMarginsGuide.centerYAnchor),
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vStack.leadingAnchor.constraint(greaterThanOrEqualTo: view.layoutMarginsGuide.leadingAnchor),
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vStack.centerXAnchor.constraint(equalTo: view.layoutMarginsGuide.centerXAnchor),
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])
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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navigationController?.isNavigationBarHidden = false
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}
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// MARK: - Event Handlers
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private func cancelPressed() {
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guard let delegate else {
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owsFailDebug("missing delegate")
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return
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}
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delegate.shareViewWasCancelled()
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}
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}
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