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adjust wheel animation to remain on CALayer and not hitting main CPU thread on every cycle.

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This commit is contained in:
Kyle Matthew Hedden 2020-07-24 12:19:48 -04:00
parent f9ce6e9f0f
commit bced3600fc
1 changed files with 2 additions and 13 deletions
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15
MVMCoreUI/Atomic/Atoms/Views/Wheel.swift
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@ -11,7 +11,7 @@ import UIKit
@objcMembers open class Wheel: View, MVMCoreUIViewConstrainingProtocol { @objcMembers open class Wheel: View, MVMCoreUIViewConstrainingProtocol {
var heightConstraint: NSLayoutConstraint? var heightConstraint: NSLayoutConstraint?
var gradientLayer: CALayer? weak var gradientLayer: CALayer?
var graphModel: WheelModel? { var graphModel: WheelModel? {
return model as? WheelModel return model as? WheelModel
} }
@ -170,20 +170,9 @@ import UIKit
rotation.timingFunction = CAMediaTimingFunction(name: .linear) rotation.timingFunction = CAMediaTimingFunction(name: .linear)
rotation.fillMode = .both rotation.fillMode = .both
rotation.isRemovedOnCompletion = false rotation.isRemovedOnCompletion = false
rotation.repeatCount = Float.greatestFiniteMagnitude
//avoid infinity animation take high CPU momery usage when layer is not displayed
rotation.delegate = self
rotation.repeatCount = 1
self.gradientLayer?.add(rotation, forKey: "rotation") self.gradientLayer?.add(rotation, forKey: "rotation")
}) })
} }
} }
extension Wheel: CAAnimationDelegate {
public func animationDidStop(_ anim: CAAnimation, finished flag: Bool) {
if let object = graphModel {
rotationAnimation(object)
}
}
}