Signal-iOS/SignalUI/Views/CircleView.swift
2022-04-13 20:21:47 -07:00

128 lines
2.7 KiB
Swift

//
// Copyright (c) 2022 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) {
fatalError("init(coder:) has not been implemented")
}
@objc
public required init() {
super.init(frame: .zero)
}
@objc
public required init(diameter: CGFloat) {
super.init(frame: .zero)
autoSetDimensions(to: CGSize(square: 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 (OWSCircleBlurView)
public class CircleBlurView: UIVisualEffectView {
@available(*, unavailable, message: "use other constructor instead.")
required public init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
@objc
public override init(effect: UIVisualEffect?) {
super.init(effect: effect)
frame = .zero
}
@objc
public required init(effect: UIVisualEffect, diameter: CGFloat) {
super.init(effect: effect)
frame = .zero
autoSetDimensions(to: CGSize(square: diameter))
}
@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
clipsToBounds = true
}
}
@objc (OWSPillView)
open class PillView: UIView {
public override init(frame: CGRect) {
super.init(frame: frame)
layer.masksToBounds = true
// Constrain to be a pill that is at least a circle, and maybe wider.
autoPin(toAspectRatio: 1.0, relation: .greaterThanOrEqual)
// low priority constraint to ensure the pill
// is no taller than necessary
NSLayoutConstraint.autoSetPriority(.defaultLow) {
self.autoSetDimension(.height, toSize: 0)
}
}
required public 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
}
}