59 lines
1.6 KiB
Swift
59 lines
1.6 KiB
Swift
//
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// NavigationBarProgressView.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/3/16.
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//
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import UIKit
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import MastodonAsset
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import MastodonLocalization
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class NavigationBarProgressView: UIView {
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static let progressAnimationDuration: TimeInterval = 0.3
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let sliderView: UIView = {
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let view = UIView()
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view.backgroundColor = Asset.Colors.brandBlue.color
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view.translatesAutoresizingMaskIntoConstraints = false
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return view
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}()
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var sliderTrailingAnchor: NSLayoutConstraint!
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var progress: CGFloat = 0 {
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willSet(value) {
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sliderTrailingAnchor.constant = (1 - progress) * bounds.width
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UIView.animate(withDuration: NavigationBarProgressView.progressAnimationDuration) {
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self.setNeedsLayout()
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}
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}
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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_init()
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}
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}
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extension NavigationBarProgressView {
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func _init() {
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self.translatesAutoresizingMaskIntoConstraints = false
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self.backgroundColor = .clear
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addSubview(sliderView)
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sliderTrailingAnchor = trailingAnchor.constraint(equalTo: sliderView.trailingAnchor)
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NSLayoutConstraint.activate([
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sliderView.topAnchor.constraint(equalTo: topAnchor),
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sliderView.leadingAnchor.constraint(equalTo: leadingAnchor),
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sliderView.bottomAnchor.constraint(equalTo: bottomAnchor),
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sliderTrailingAnchor
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])
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}
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}
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