112 lines
3.4 KiB
Swift
112 lines
3.4 KiB
Swift
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import UIKit
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import SignalMessaging
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import PureLayout
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class SAELoadViewController: UIViewController {
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weak var delegate: ShareViewDelegate?
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var activityIndicator: UIActivityIndicatorView!
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var progressView: UIProgressView!
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var progress: Progress? {
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didSet {
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guard progressView != nil else {
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return
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}
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updateProgressViewVisability()
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progressView.observedProgress = progress
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}
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}
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func updateProgressViewVisability() {
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guard progressView != nil, activityIndicator != nil else {
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return
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}
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// Prefer to show progress view when progress is present
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if self.progress == nil {
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activityIndicator.startAnimating()
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self.progressView.isHidden = true
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self.activityIndicator.isHidden = false
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} else {
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activityIndicator.stopAnimating()
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self.progressView.isHidden = false
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self.activityIndicator.isHidden = true
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}
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}
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// MARK: Initializers and Factory Methods
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init(delegate: ShareViewDelegate) {
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self.delegate = delegate
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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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notImplemented()
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}
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override func loadView() {
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super.loadView()
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self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel,
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target: self,
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action: #selector(cancelPressed))
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self.navigationItem.title = "Signal"
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self.view.backgroundColor = UIColor.ows_signalBrandBlue
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let activityIndicator = UIActivityIndicatorView(style: .whiteLarge)
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self.activityIndicator = activityIndicator
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self.view.addSubview(activityIndicator)
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activityIndicator.autoCenterInSuperview()
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progressView = UIProgressView(progressViewStyle: .default)
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progressView.observedProgress = progress
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self.view.addSubview(progressView)
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progressView.autoVCenterInSuperview()
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progressView.autoPinWidthToSuperview(withMargin: ScaleFromIPhone5(30))
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progressView.progressTintColor = UIColor.white
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updateProgressViewVisability()
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let label = UILabel()
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label.textColor = UIColor.white
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label.font = UIFont.ows_mediumFont(withSize: 18)
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label.text = NSLocalizedString("SHARE_EXTENSION_LOADING",
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comment: "Indicates that the share extension is still loading.")
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self.view.addSubview(label)
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label.autoHCenterInSuperview()
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label.autoPinEdge(.top, to: .bottom, of: activityIndicator, withOffset: 25)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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self.navigationController?.isNavigationBarHidden = false
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}
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override func viewDidDisappear(_ animated: Bool) {
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super.viewDidDisappear(animated)
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}
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// MARK: - Event Handlers
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@objc func cancelPressed(sender: UIButton) {
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guard let delegate = 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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