75 lines
3.2 KiB
Swift
75 lines
3.2 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Combine
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import UIKit
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import ViewModels
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final class AttachmentUploadView: UIView {
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let label = UILabel()
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let cancelButton = UIButton(type: .system)
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let progressView = UIProgressView(progressViewStyle: .default)
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private let viewModel: CompositionViewModel
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private var progressCancellable: AnyCancellable?
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private var cancellables = Set<AnyCancellable>()
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init(viewModel: CompositionViewModel) {
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self.viewModel = viewModel
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super.init(frame: .zero)
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addSubview(label)
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label.translatesAutoresizingMaskIntoConstraints = false
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label.adjustsFontForContentSizeCategory = true
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label.font = .preferredFont(forTextStyle: .callout)
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label.textAlignment = .center
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label.text = NSLocalizedString("compose.attachment.uploading", comment: "")
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label.textColor = .secondaryLabel
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label.numberOfLines = 0
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addSubview(cancelButton)
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cancelButton.translatesAutoresizingMaskIntoConstraints = false
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cancelButton.titleLabel?.adjustsFontForContentSizeCategory = true
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cancelButton.titleLabel?.font = .preferredFont(forTextStyle: .callout)
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cancelButton.setTitle(NSLocalizedString("cancel", comment: ""), for: .normal)
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cancelButton.addAction(UIAction { _ in viewModel.cancelUpload() }, for: .touchUpInside)
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addSubview(progressView)
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progressView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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label.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor),
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label.topAnchor.constraint(equalTo: layoutMarginsGuide.topAnchor),
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label.trailingAnchor.constraint(equalTo: cancelButton.leadingAnchor, constant: .defaultSpacing),
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cancelButton.topAnchor.constraint(equalTo: layoutMarginsGuide.topAnchor),
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cancelButton.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor),
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cancelButton.bottomAnchor.constraint(equalTo: label.bottomAnchor),
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progressView.topAnchor.constraint(equalTo: label.bottomAnchor, constant: .defaultSpacing),
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progressView.leadingAnchor.constraint(equalTo: layoutMarginsGuide.leadingAnchor),
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progressView.trailingAnchor.constraint(equalTo: layoutMarginsGuide.trailingAnchor),
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progressView.bottomAnchor.constraint(equalTo: layoutMarginsGuide.bottomAnchor)
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])
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viewModel.$attachmentUpload.sink { [weak self] attachmentUpload in
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guard let self = self else { return }
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UIView.animate(withDuration: .zeroIfReduceMotion(.shortAnimationDuration)) {
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if let attachmentUpload = attachmentUpload {
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self.progressCancellable = attachmentUpload.progress.publisher(for: \.fractionCompleted)
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.receive(on: DispatchQueue.main)
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.sink { self.progressView.progress = Float($0) }
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self.isHidden = false
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} else {
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self.isHidden = true
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}
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}
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}
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.store(in: &cancellables)
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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