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//
// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
//
import UIKit
import PureLayout
class SAELoadViewController: UIViewController {
weak var delegate: ShareViewDelegate?
var activityIndicator: UIActivityIndicatorView!
var progressView: UIProgressView!
var progress: Progress? {
didSet {
guard progressView != nil else {
return
}
updateProgressViewVisability()
progressView.observedProgress = progress
}
}
func updateProgressViewVisability() {
guard progressView != nil, activityIndicator != nil else {
return
}
// Prefer to show progress view when progress is present
if self.progress == nil {
activityIndicator.startAnimating()
self.progressView.isHidden = true
self.activityIndicator.isHidden = false
} else {
activityIndicator.stopAnimating()
self.progressView.isHidden = false
self.activityIndicator.isHidden = true
}
}
// MARK: Initializers and Factory Methods
init(delegate: ShareViewDelegate) {
self.delegate = delegate
super.init(nibName: nil, bundle: nil)
}
@available(*, unavailable, message:"use other constructor instead.")
required init?(coder aDecoder: NSCoder) {
notImplemented()
}
override func loadView() {
super.loadView()
self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel,
target: self,
action: #selector(cancelPressed))
self.navigationItem.title = "Session"
self.view.backgroundColor = UIColor.ows_signalBrandBlue
let activityIndicator = UIActivityIndicatorView(style: .whiteLarge)
self.activityIndicator = activityIndicator
self.view.addSubview(activityIndicator)
activityIndicator.autoCenterInSuperview()
progressView = UIProgressView(progressViewStyle: .default)
progressView.observedProgress = progress
self.view.addSubview(progressView)
progressView.autoVCenterInSuperview()
progressView.autoPinWidthToSuperview(withMargin: ScaleFromIPhone5(30))
progressView.progressTintColor = UIColor.white
updateProgressViewVisability()
let label = UILabel()
label.textColor = UIColor.white
label.font = UIFont.ows_mediumFont(withSize: 18)
label.text = NSLocalizedString("SHARE_EXTENSION_LOADING",
comment: "Indicates that the share extension is still loading.")
self.view.addSubview(label)
label.autoHCenterInSuperview()
label.autoPinEdge(.top, to: .bottom, of: activityIndicator, withOffset: 25)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
self.navigationController?.isNavigationBarHidden = false
}
override func viewDidDisappear(_ animated: Bool) {
super.viewDidDisappear(animated)
}
// MARK: - Event Handlers
@objc func cancelPressed(sender: UIButton) {
guard let delegate = delegate else {
owsFailDebug("missing delegate")
return
}
delegate.shareViewWasCancelled()
}
}