72 lines
2.0 KiB
Swift
72 lines
2.0 KiB
Swift
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||
|
|
|
||
|
|
import UIKit
|
||
|
|
|
||
|
|
private struct Constants {
|
||
|
|
static let LineWidth: CGFloat = 6.0
|
||
|
|
static let AnimationDuration = 1.0
|
||
|
|
}
|
||
|
|
|
||
|
|
class ProgressCircleView: UIView {
|
||
|
|
fileprivate let backgroundLayer: CAShapeLayer
|
||
|
|
fileprivate let progressLayer: CAShapeLayer
|
||
|
|
|
||
|
|
var backgroundLineColor: UIColor? {
|
||
|
|
didSet {
|
||
|
|
backgroundLayer.strokeColor = backgroundLineColor?.cgColor
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var lineColor: UIColor? {
|
||
|
|
didSet {
|
||
|
|
progressLayer.strokeColor = lineColor?.cgColor
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// From 0.0 to 1.0
|
||
|
|
var progress: CGFloat = 0.0 {
|
||
|
|
didSet {
|
||
|
|
progressLayer.strokeEnd = progress
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
override init(frame: CGRect) {
|
||
|
|
backgroundLayer = CAShapeLayer()
|
||
|
|
progressLayer = CAShapeLayer()
|
||
|
|
|
||
|
|
super.init(frame: frame)
|
||
|
|
|
||
|
|
backgroundLayer.fillColor = UIColor.clear.cgColor
|
||
|
|
backgroundLayer.lineWidth = Constants.LineWidth
|
||
|
|
layer.addSublayer(backgroundLayer)
|
||
|
|
|
||
|
|
progressLayer.strokeEnd = progress
|
||
|
|
progressLayer.fillColor = UIColor.clear.cgColor
|
||
|
|
progressLayer.lineWidth = Constants.LineWidth
|
||
|
|
layer.addSublayer(progressLayer)
|
||
|
|
}
|
||
|
|
|
||
|
|
required init?(coder aDecoder: NSCoder) {
|
||
|
|
fatalError("init(coder:) has not been implemented")
|
||
|
|
}
|
||
|
|
|
||
|
|
override func layoutSubviews() {
|
||
|
|
super.layoutSubviews()
|
||
|
|
|
||
|
|
let bezierPath = UIBezierPath()
|
||
|
|
bezierPath.addArc(
|
||
|
|
withCenter: CGPoint(x: bounds.size.width / 2, y: bounds.size.height / 2),
|
||
|
|
radius: bounds.size.width / 2,
|
||
|
|
startAngle: CGFloat(-Double.pi / 2),
|
||
|
|
endAngle: CGFloat(1.5 * Double.pi),
|
||
|
|
clockwise: true)
|
||
|
|
|
||
|
|
backgroundLayer.path = bezierPath.cgPath
|
||
|
|
backgroundLayer.frame = bounds
|
||
|
|
progressLayer.path = bezierPath.cgPath
|
||
|
|
progressLayer.frame = bounds
|
||
|
|
}
|
||
|
|
}
|