linphone-iphone/Classes/Swift/Chat/Views/CircularProgressBarView.swift

66 lines
2.3 KiB
Swift

/*
* Copyright (c) 2010-2020 Belledonne Communications SARL.
*
* This file is part of linphone-iphone
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import UIKit
class CircularProgressBarView: UIView {
private var circleLayer = CAShapeLayer()
private var progressLayer = CAShapeLayer()
private var startPoint = CGFloat(-Double.pi / 2)
private var endPoint = CGFloat(3 * Double.pi / 2)
override init(frame: CGRect) {
super.init(frame: frame)
createCircularPath()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
}
func createCircularPath() {
let circularPath = UIBezierPath(arcCenter: CGPoint(x: 69, y: 69), radius: 20, startAngle: startPoint, endAngle: endPoint, clockwise: true)
circleLayer.path = circularPath.cgPath
circleLayer.fillColor = UIColor.clear.cgColor
circleLayer.lineCap = .round
circleLayer.lineWidth = 10.0
circleLayer.strokeEnd = 1.0
circleLayer.strokeColor = VoipTheme.backgroundWhiteBlack.get().cgColor
layer.addSublayer(circleLayer)
progressLayer.path = circularPath.cgPath
progressLayer.fillColor = VoipTheme.backgroundWhiteBlack.get().cgColor
progressLayer.lineCap = .round
progressLayer.lineWidth = 5.0
progressLayer.strokeEnd = 0
progressLayer.strokeColor = VoipTheme.primary_color.cgColor
layer.addSublayer(progressLayer)
}
func progressAnimation(fromValue: Float, toValue: Float) {
let circularProgressAnimation = CABasicAnimation(keyPath: "strokeEnd")
circularProgressAnimation.duration = 0
circularProgressAnimation.fromValue = fromValue
circularProgressAnimation.toValue = toValue
circularProgressAnimation.fillMode = .forwards
circularProgressAnimation.isRemovedOnCompletion = false
progressLayer.add(circularProgressAnimation, forKey: "progressAnim")
}
}