linphone-iphone/Classes/Swift/Voip/Widgets/RotatingSpinner.swift

48 lines
1.4 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 Foundation
class RotatingSpinner : UIImageView {
init (color:UIColor = .white) {
super.init(frame: .zero)
self.image = UIImage(named: "voip_spinner")
self.tint(color)
self.contentMode = .scaleAspectFit
}
required init?(coder: NSCoder) {
super.init(coder: coder)
}
func startRotation() {
let rotation : CABasicAnimation = CABasicAnimation(keyPath: "transform.rotation.z")
rotation.toValue = NSNumber(value: Double.pi * 2)
rotation.duration = 2.2
rotation.isCumulative = true
rotation.repeatCount = Float.greatestFiniteMagnitude
self.layer.add(rotation, forKey: "rotationAnimation")
}
func stopRotation() {
self.layer.removeAllAnimations()
}
}