120 lines
4.1 KiB
Swift
120 lines
4.1 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 PureLayout
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import SignalServiceKit
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import SignalUI
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import UIKit
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class SAELoadViewController: UIViewController, OWSNavigationChildController {
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private weak var delegate: ShareViewDelegate?
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private let shouldMimicRecipientPicker: Bool
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private var activityIndicator: UIActivityIndicatorView!
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private 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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updateProgressViewVisibility()
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progressView.observedProgress = progress
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}
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}
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private func updateProgressViewVisibility() {
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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, shouldMimicRecipientPicker: Bool = false) {
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self.delegate = delegate
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self.shouldMimicRecipientPicker = shouldMimicRecipientPicker
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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 loadView() {
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super.loadView()
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// It's not (currently) safe to create a SharingThreadPickerViewController
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// while the Share Extension is launching, so instead mimic the header of
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// the picker on the loading view controller.
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//
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// TODO: Make it safe to do so and remove this hack.
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if self.shouldMimicRecipientPicker {
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self.title = ConversationPickerViewController.Strings.defaultTitle
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self.navigationItem.rightBarButtonItem = .cancelButton(action: {})
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self.navigationItem.rightBarButtonItem?.isEnabled = false
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}
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self.view.backgroundColor = (
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self.shouldMimicRecipientPicker
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? Theme.tableView2PresentedBackgroundColor
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: Theme.backgroundColor,
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)
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let activityIndicator = UIActivityIndicatorView(style: .large)
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activityIndicator.color = Theme.primaryIconColor
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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 = Theme.accentBlueColor
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updateProgressViewVisibility()
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let label = UILabel()
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label.textColor = Theme.primaryTextColor
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label.font = .systemFont(ofSize: 17)
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label.text = OWSLocalizedString(
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"SHARE_EXTENSION_LOADING",
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comment: "Indicates that the share extension is still loading.",
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)
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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: 12)
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}
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var preferredNavigationBarStyle: OWSNavigationBarStyle {
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// The false case should be the default, but we can't access the
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// extension's default implementation here.
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return self.shouldMimicRecipientPicker ? .solid : .blur
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}
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var navbarBackgroundColorOverride: UIColor? {
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// The false case should be the default, but we can't access the
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// extension's default implementation here.
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return self.shouldMimicRecipientPicker ? Theme.tableView2PresentedBackgroundColor : nil
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}
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}
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