91 lines
3.3 KiB
Swift
91 lines
3.3 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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import UIKit
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final class LabelledActivityIndicatorView: UIView {
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private enum Constants {
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static let padding = UIEdgeInsets(top: 20, left: 40, bottom: 15, right: 40)
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static let activityIndicatorScale = CGFloat(1.5)
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static let cornerRadius: CGFloat = 12.0
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static let stackSpacing: CGFloat = 15
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static let backgroundOpacity: CGFloat = 0.5
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}
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private let stackBackgroundView: UIView = {
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let view = UIVisualEffectView(effect: UIBlurEffect(style: .systemMaterial))
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view.layer.cornerRadius = Constants.cornerRadius
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view.clipsToBounds = true
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return view
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}()
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private let stackView: UIStackView = {
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let stack = UIStackView()
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stack.axis = .vertical
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stack.distribution = .fill
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stack.alignment = .center
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stack.spacing = Constants.stackSpacing
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return stack
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}()
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private let activityIndicator: UIActivityIndicatorView = {
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let view = UIActivityIndicatorView()
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view.transform = .init(scaleX: Constants.activityIndicatorScale, y: Constants.activityIndicatorScale)
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view.startAnimating()
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return view
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}()
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private let label = UILabel()
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init(text: String) {
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super.init(frame: .zero)
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setup(text: text)
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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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private func setup(text: String) {
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setupStackView()
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label.text = text
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label.textColor = .element.primaryContent
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}
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private func setupStackView() {
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addSubview(stackView)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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stackView.centerXAnchor.constraint(equalTo: centerXAnchor),
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stackView.centerYAnchor.constraint(equalTo: centerYAnchor)
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])
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stackView.addArrangedSubview(activityIndicator)
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stackView.addArrangedSubview(label)
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insertSubview(stackBackgroundView, belowSubview: stackView)
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stackBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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stackBackgroundView.topAnchor.constraint(equalTo: stackView.topAnchor, constant: -Constants.padding.top),
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stackBackgroundView.bottomAnchor.constraint(equalTo: stackView.bottomAnchor, constant: Constants.padding.bottom),
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stackBackgroundView.leadingAnchor.constraint(equalTo: stackView.leadingAnchor, constant: -Constants.padding.left),
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stackBackgroundView.trailingAnchor.constraint(equalTo: stackView.trailingAnchor, constant: Constants.padding.right)
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])
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}
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}
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