TM-SGNL-iOS/SignalShareExtension/SAELoadViewController.swift
TeleMessage developers dde0620daf initial commit
2025-05-03 12:28:28 -07:00

105 lines
3.1 KiB
Swift

//
// Copyright 2017 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
//
import UIKit
import PureLayout
import SignalServiceKit
import SignalUI
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) {
fatalError("init(coder:) has not been implemented")
}
override func loadView() {
super.loadView()
self.view.backgroundColor = Theme.backgroundColor
let activityIndicator = UIActivityIndicatorView(style: .large)
activityIndicator.color = Theme.primaryIconColor
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 = Theme.accentBlueColor
updateProgressViewVisability()
let label = UILabel()
label.textColor = Theme.primaryTextColor
label.font = .systemFont(ofSize: 17)
label.text = OWSLocalizedString("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: 12)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
self.navigationController?.isNavigationBarHidden = false
}
// MARK: - Event Handlers
@objc
private func cancelPressed(sender: UIButton) {
guard let delegate = delegate else {
owsFailDebug("missing delegate")
return
}
delegate.shareViewWasCancelled()
}
}