session-ios/SignalUtilitiesKit/Shared Views/CircleView.swift

83 lines
1.8 KiB
Swift

//
// Copyright (c) 2020 Open Whisper Systems. All rights reserved.
//
import UIKit
@objc (OWSCircleView)
public class CircleView: UIView {
@available(*, unavailable, message:"use other constructor instead.")
required public init?(coder aDecoder: NSCoder) {
notImplemented()
}
@objc
public required init() {
super.init(frame: .zero)
}
@objc
public required init(diameter: CGFloat) {
super.init(frame: .zero)
autoSetDimensions(to: CGSize(width: diameter, height: diameter))
}
@objc
override public var frame: CGRect {
didSet {
updateRadius()
}
}
@objc
override public var bounds: CGRect {
didSet {
updateRadius()
}
}
private func updateRadius() {
self.layer.cornerRadius = self.bounds.size.height / 2
}
}
@objc (OWSPillView)
public class PillView: UIView {
public override init(frame: CGRect) {
super.init(frame: frame)
// Constrain to be a pill that is at least a circle, and maybe wider.
autoPin(toAspectRatio: 1.0, relation: .greaterThanOrEqual)
// low priority contstraint to ensure the pill
// is no taller than necessary
NSLayoutConstraint.autoSetPriority(.defaultLow) {
self.autoSetDimension(.height, toSize: 0)
}
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
@objc
override public var frame: CGRect {
didSet {
updateRadius()
}
}
@objc
override public var bounds: CGRect {
didSet {
updateRadius()
}
}
private func updateRadius() {
layer.cornerRadius = bounds.size.height / 2
}
}