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32 changes: 23 additions & 9 deletions NSSwitch/NSSwitch.swift
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@ public class NSSwitch: NSControl {

if animated {
animate(on: on)
} else {
nonAnimate(on: on)
}

self.on = on
Expand Down Expand Up @@ -150,19 +152,17 @@ public class NSSwitch: NSControl {
CATransaction.setAnimationDuration(thumbAnimationDuration)
CATransaction.setAnimationTimingFunction(CAMediaTimingFunction(name: mediaTimingFunction))

if on {
let x = backgroundView.bounds.size.width - thumbView.frame.size.width
let destinationOrigin = CGPoint(x: x, y: 0)
thumbView.animator().setFrameOrigin(destinationOrigin)
}
else {
let destinationOrigin = CGPoint(x: 0, y: 0)
thumbView.animator().setFrameOrigin(destinationOrigin)
}
let destinationOrigin = self.getThumbViewPosition(isOn: on)
thumbView.animator().setFrameOrigin(destinationOrigin)

CATransaction.commit()
}

private func nonAnimate(on: Bool) {
let destinationOrigin = self.getThumbViewPosition(isOn: on)
thumbView.setFrameOrigin(destinationOrigin)
}

private func updatePosition(pan: NSPanGestureRecognizer) {
let thumbWidth = thumbView.bounds.size.width
let leadingSpace = thumbView.frame.origin.x
Expand All @@ -184,4 +184,18 @@ public class NSSwitch: NSControl {
private func moveToNearestSwitchPosition() {
setOn(on: on, animated: true)
}

// MARK: - Helpers
/// get thumb view position depens on `NSSwitch` On/Off state
///
/// - Parameter on: `NSSwitch` On/Off state. `Bool` value
/// - Returns: return thumb view position. `CGPoint` value
private func getThumbViewPosition(isOn: Bool) -> CGPoint {
if isOn {
let x = backgroundView.bounds.size.width - thumbView.frame.size.width
return CGPoint(x: x, y: 0)
} else {
return CGPoint(x: 0, y: 0)
}
}
}