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https://github.com/Swiftgram/Telegram-iOS.git
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466 lines
20 KiB
Swift
466 lines
20 KiB
Swift
/*import Foundation
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import UIKit
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import Display
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private let purple = UIColor(rgb: 0x3252ef)
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private let pink = UIColor(rgb: 0xe4436c)
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private let latePurple = UIColor(rgb: 0x974aa9)
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private let latePink = UIColor(rgb: 0xf0436c)
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public final class AnimatedCountView: UIView {
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let countLabel = AnimatedCountLabel()
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// let titleLabel = UILabel()
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let subtitleLabel = UILabel()
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private let foregroundView = UIView()
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private let foregroundGradientLayer = CAGradientLayer()
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private let maskingView = UIView()
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override init(frame: CGRect = .zero) {
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super.init(frame: frame)
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self.foregroundGradientLayer.type = .radial
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self.foregroundGradientLayer.colors = [pink.cgColor, purple.cgColor, purple.cgColor]
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self.foregroundGradientLayer.locations = [0.0, 0.85, 1.0]
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self.foregroundGradientLayer.startPoint = CGPoint(x: 1.0, y: 0.0)
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self.foregroundGradientLayer.endPoint = CGPoint(x: 0.0, y: 1.0)
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self.foregroundView.mask = self.maskingView
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self.foregroundView.layer.addSublayer(self.foregroundGradientLayer)
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self.addSubview(self.foregroundView)
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// self.addSubview(self.titleLabel)
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self.addSubview(self.subtitleLabel)
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self.maskingView.addSubview(countLabel)
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countLabel.clipsToBounds = false
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subtitleLabel.textAlignment = .center
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// self.backgroundColor = UIColor.white.withAlphaComponent(0.1)
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}
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override public func layoutSubviews() {
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super.layoutSubviews()
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self.foregroundView.frame = CGRect(origin: CGPoint.zero, size: bounds.size)// .insetBy(dx: -40, dy: -40)
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self.foregroundGradientLayer.frame = CGRect(origin: .zero, size: bounds.size).insetBy(dx: -60, dy: -60)
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self.maskingView.frame = CGRect(origin: .zero, size: bounds.size)
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countLabel.frame = CGRect(origin: .zero, size: bounds.size)
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subtitleLabel.frame = .init(x: bounds.midX - subtitleLabel.intrinsicContentSize.width / 2 - 10, y: subtitleLabel.text == "No viewers" ? bounds.midY - 10 : bounds.height - 6, width: subtitleLabel.intrinsicContentSize.width + 20, height: 20)
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}
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func update(countString: String, subtitle: String) {
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self.setupGradientAnimations()
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let text: String = countString// presentationStringsFormattedNumber(Int32(count), ",")
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// self.titleNode.attributedText = NSAttributedString(string: "", font: Font.with(size: 23.0, design: .round, weight: .semibold, traits: []), textColor: .white)
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// let titleSize = self.titleNode.updateLayout(size)
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// self.titleNode.frame = CGRect(x: floor((size.width - titleSize.width) / 2.0), y: 48.0, width: titleSize.width, height: titleSize.height)
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if CGFloat(text.count * 40) < bounds.width - 32 {
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self.countLabel.attributedText = NSAttributedString(string: text, font: Font.with(size: 60.0, design: .round, weight: .semibold, traits: [.monospacedNumbers]), textColor: .white)
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} else {
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self.countLabel.attributedText = NSAttributedString(string: text, font: Font.with(size: 54.0, design: .round, weight: .semibold, traits: [.monospacedNumbers]), textColor: .white)
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}
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// var timerSize = self.timerNode.updateLayout(CGSize(width: size.width + 100.0, height: size.height))
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// if timerSize.width > size.width - 32.0 {
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// self.timerNode.attributedText = NSAttributedString(string: text, font: Font.with(size: 60.0, design: .round, weight: .semibold, traits: [.monospacedNumbers]), textColor: .white)
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// timerSize = self.timerNode.updateLayout(CGSize(width: size.width + 100.0, height: size.height))
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// }
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// self.timerNode.frame = CGRect(x: floor((size.width - timerSize.width) / 2.0), y: 78.0, width: timerSize.width, height: timerSize.height)
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self.subtitleLabel.attributedText = NSAttributedString(string: subtitle, font: Font.with(size: 16.0, design: .round, weight: .semibold, traits: []), textColor: .white)
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self.subtitleLabel.isHidden = subtitle.isEmpty
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// let subtitleSize = self.subtitleNode.updateLayout(size)
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// self.subtitleNode.frame = CGRect(x: floor((size.width - subtitleSize.width) / 2.0), y: 164.0, width: subtitleSize.width, height: subtitleSize.height)
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// self.foregroundView.frame = CGRect(origin: CGPoint(), size: size)
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// self.setNeedsLayout()
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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private func setupGradientAnimations() {
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if let _ = self.foregroundGradientLayer.animation(forKey: "movement") {
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} else {
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let previousValue = self.foregroundGradientLayer.startPoint
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let newValue = CGPoint(x: CGFloat.random(in: 0.65 ..< 0.85), y: CGFloat.random(in: 0.1 ..< 0.45))
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self.foregroundGradientLayer.startPoint = newValue
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CATransaction.begin()
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let animation = CABasicAnimation(keyPath: "startPoint")
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animation.duration = Double.random(in: 0.8 ..< 1.4)
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animation.fromValue = previousValue
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animation.toValue = newValue
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CATransaction.setCompletionBlock { [weak self] in
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// if let isCurrentlyInHierarchy = self?.isCurrentlyInHierarchy, isCurrentlyInHierarchy {
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self?.setupGradientAnimations()
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// }
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}
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self.foregroundGradientLayer.add(animation, forKey: "movement")
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CATransaction.commit()
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}
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}
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}
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class AnimatedCharLayer: CATextLayer {
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var text: String? {
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get {
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self.string as? String ?? (self.string as? NSAttributedString)?.string
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}
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set {
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self.string = newValue
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}
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}
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var attributedText: NSAttributedString? {
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get {
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self.string as? NSAttributedString //?? (self.string as? String).map { NSAttributed.init
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}
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set {
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self.string = newValue
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}
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}
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var layer: CALayer { self }
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override init() {
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super.init()
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self.contentsScale = UIScreen.main.scale
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}
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override init(layer: Any) {
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super.init(layer: layer)
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self.contentsScale = UIScreen.main.scale
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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class AnimatedCountLabel: UILabel {
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override var text: String? {
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get {
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chars.reduce("") { $0 + ($1.text ?? "") }
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}
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set {
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update(with: newValue ?? "")
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}
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}
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override var attributedText: NSAttributedString? {
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get {
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let string = NSMutableAttributedString()
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for char in chars {
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string.append(char.attributedText ?? NSAttributedString())
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}
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return string
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}
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set {
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udpateAttributed(with: newValue ?? NSAttributedString())
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}
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}
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private var chars = [AnimatedCharLayer]()
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private let containerView = UIView()
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override init(frame: CGRect = .zero) {
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super.init(frame: frame)
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containerView.clipsToBounds = false
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addSubview(containerView)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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var itemWidth: CGFloat { 36 }
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var commaWidth: CGFloat { 8 }
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var interItemSpacing: CGFloat { 0 }
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private func offsetForChar(at index: Int, within characters: [NSAttributedString]? = nil) -> CGFloat {
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if let characters {
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return characters[0..<index].reduce(0) {
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if $1.string == "," {
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return $0 + commaWidth + interItemSpacing
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}
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return $0 + itemWidth + interItemSpacing
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}
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} else {
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return self.chars[0..<index].reduce(0) {
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if $1.attributedText?.string == "," {
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return $0 + commaWidth + interItemSpacing
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}
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return $0 + itemWidth + interItemSpacing
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}
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}
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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let countWidth = offsetForChar(at: chars.count) /*chars.reduce(0) {
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if $1.attributedText?.string == "," {
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return $0 + commaWidth + interItemSpacing
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}
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return $0 + itemWidth + interItemSpacing
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}*/ - interItemSpacing
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containerView.frame = .init(x: bounds.midX - countWidth / 2, y: 0, width: countWidth, height: bounds.height)
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chars.enumerated().forEach { (index, char) in
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let offset = offsetForChar(at: index)
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char.frame.origin.x = offset
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// char.frame.origin.x = CGFloat(chars.count - 1 - index) * (40 + interItemSpacing)
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char.frame.origin.y = 0
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}
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}
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/// Unused
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func update(with newString: String) {
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/*let itemWidth: CGFloat = 40
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let initialDuration: TimeInterval = 0.3
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let newChars = Array(newString).map { String($0) }
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let currentChars = chars.map { $0.text ?? "X" }
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// let currentWidth = itemWidth * CGFloat(currentChars.count)
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let newWidth = itemWidth * CGFloat(newChars.count)
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let interItemDelay: TimeInterval = 0.15
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var changeIndex = 0
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var newLayers = [AnimatedCharLayer]()
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for index in 0..<min(newChars.count, currentChars.count) {
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let newCharIndex = newChars.count - 1 - index
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let currCharIndex = currentChars.count - 1 - index
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if true || newChars[newCharIndex] != currentChars[currCharIndex] {
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animateOut(for: chars[currCharIndex].layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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let newLayer = AnimatedCharLayer()
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newLayer.text = newChars[newCharIndex]
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newLayer.frame = .init(x: newWidth - CGFloat(index + 1) * itemWidth, y: 100, width: itemWidth, height: 36)
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containerView.layer.addSublayer(newLayer)
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animateIn(for: newLayer.layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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newLayers.append(newLayer)
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changeIndex += 1
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} else {
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newLayers.append(chars[currCharIndex])
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}
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}
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for index in min(newChars.count, currentChars.count)..<currentChars.count {
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let currCharIndex = currentChars.count - 1 - index
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// remove unused
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animateOut(for: chars[currCharIndex].layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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changeIndex += 1
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}
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for index in min(newChars.count, currentChars.count)..<newChars.count {
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let newCharIndex = newChars.count - 1 - index
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let newLayer = AnimatedCharLayer()
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newLayer.text = newChars[newCharIndex]
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newLayer.frame = .init(x: newWidth - CGFloat(index + 1) * itemWidth, y: 100, width: itemWidth, height: 36)
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containerView.layer.addSublayer(newLayer)
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animateIn(for: newLayer.layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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newLayers.append(newLayer)
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changeIndex += 1
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}
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chars = newLayers*/
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}
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func udpateAttributed(with newString: NSAttributedString) {
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let interItemSpacing: CGFloat = 0
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let separatedStrings = Array(newString.string).map { String($0) }
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var range = NSRange(location: 0, length: 0)
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var newChars = [NSAttributedString]()
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for string in separatedStrings {
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range.length = string.count
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let attributedString = newString.attributedSubstring(from: range)
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newChars.append(attributedString)
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range.location += range.length
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}
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let currentChars = chars.map { $0.attributedText ?? .init() }
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let maxAnimationDuration: TimeInterval = 0.5
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var numberOfChanges = abs(newChars.count - currentChars.count)
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for index in 0..<min(newChars.count, currentChars.count) {
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let newCharIndex = newChars.count - 1 - index
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let currCharIndex = currentChars.count - 1 - index
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if newChars[newCharIndex] != currentChars[currCharIndex] {
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numberOfChanges += 1
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}
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}
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let initialDuration: TimeInterval = min(0.25, maxAnimationDuration / Double(numberOfChanges)) /// 0.25
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// let currentWidth = itemWidth * CGFloat(currentChars.count)
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// let newWidth = itemWidth * CGFloat(newChars.count)
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let interItemDelay: TimeInterval = 0.08
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var changeIndex = 0
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var newLayers = [AnimatedCharLayer]()
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for index in 0..<min(newChars.count, currentChars.count) {
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let newCharIndex = newChars.count - 1 - index
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let currCharIndex = currentChars.count - 1 - index
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if true || newChars[newCharIndex] != currentChars[currCharIndex] {
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let initialDuration = newChars[newCharIndex] != currentChars[currCharIndex] ? initialDuration : 0
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if newChars[newCharIndex] != currentChars[currCharIndex] {
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animateOut(for: chars[currCharIndex].layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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} else {
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chars[currCharIndex].layer.removeFromSuperlayer()
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}
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let newLayer = AnimatedCharLayer()
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newLayer.attributedText = newChars[newCharIndex]
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let offset = offsetForChar(at: newCharIndex, within: newChars)/* newChars[0..<newCharIndex].reduce(0) {
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if $1.string == "," {
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return $0 + commaWidth + interItemSpacing
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}
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return $0 + itemWidth + interItemSpacing
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}*/
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newLayer.frame = .init(x: offset/*CGFloat(newCharIndex) * (40 + interItemSpacing)*/, y: 0, width: itemWidth, height: itemWidth * 1.8)
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// newLayer.frame = .init(x: CGFloat(chars.count - 1 - index) * (40 + interItemSpacing), y: 0, width: itemWidth, height: itemWidth * 1.8)
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containerView.layer.addSublayer(newLayer)
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if newChars[newCharIndex] != currentChars[currCharIndex] {
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newLayer.layer.opacity = 0
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animateIn(for: newLayer.layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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changeIndex += 1
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}
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newLayers.append(newLayer)
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} else {
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newLayers.append(chars[currCharIndex])
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}
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}
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for index in min(newChars.count, currentChars.count)..<currentChars.count {
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let currCharIndex = currentChars.count - 1 - index
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// remove unused
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animateOut(for: chars[currCharIndex].layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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changeIndex += 1
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}
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for index in min(newChars.count, currentChars.count)..<newChars.count {
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let newCharIndex = newChars.count - 1 - index
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let newLayer = AnimatedCharLayer()
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newLayer.attributedText = newChars[newCharIndex]
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let offset = offsetForChar(at: newCharIndex, within: newChars)/*newChars[0..<newCharIndex].reduce(0) {
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if $1.string == "," {
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return $0 + commaWidth + interItemSpacing
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}
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return $0 + itemWidth + interItemSpacing
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}*/
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newLayer.frame = .init(x: offset/*CGFloat(newCharIndex) * (40 + interItemSpacing)*/, y: 0, width: itemWidth, height: itemWidth * 1.8)
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containerView.layer.addSublayer(newLayer)
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animateIn(for: newLayer.layer, duration: initialDuration, beginTime: TimeInterval(changeIndex) * interItemDelay)
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newLayers.append(newLayer)
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changeIndex += 1
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}
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let prevCount = chars.count
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chars = newLayers.reversed()
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let countWidth = offsetForChar(at: newChars.count, within: newChars) - interItemSpacing/*newChars.reduce(-interItemSpacing) {
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if $1.string == "," {
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return $0 + commaWidth + interItemSpacing
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}
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return $0 + itemWidth + interItemSpacing
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}*/
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if didBegin && prevCount != chars.count {
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UIView.animate(withDuration: Double(changeIndex) * initialDuration/*, delay: initialDuration * Double(changeIndex)*/) { [self] in
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containerView.frame = .init(x: self.bounds.midX - countWidth / 2, y: 0, width: countWidth, height: self.bounds.height)
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// containerView.backgroundColor = .red.withAlphaComponent(0.3)
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}
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} else {
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containerView.frame = .init(x: self.bounds.midX - countWidth / 2, y: 0, width: countWidth, height: self.bounds.height)
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didBegin = true
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}
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// self.backgroundColor = .green.withAlphaComponent(0.2)
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self.clipsToBounds = false
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}
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var didBegin = false
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func animateOut(for layer: CALayer, duration: CFTimeInterval, beginTime: CFTimeInterval) {
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// let animation = CAKeyframeAnimation()
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// animation.keyPath = "opacity"
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// animation.values = [layer.presentation()?.value(forKey: "opacity") ?? 1, 0.0]
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// animation.keyTimes = [0, 1]
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// animation.duration = duration
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// animation.beginTime = CACurrentMediaTime() + beginTime
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//// animation.isAdditive = true
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// animation.isRemovedOnCompletion = false
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// animation.fillMode = .backwards
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// layer.opacity = 0
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// layer.add(animation, forKey: "opacity")
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//
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//
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let opacityInAnimation = CABasicAnimation(keyPath: "opacity")
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opacityInAnimation.fromValue = 1
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opacityInAnimation.toValue = 0
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opacityInAnimation.duration = duration
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opacityInAnimation.beginTime = CACurrentMediaTime() + beginTime
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DispatchQueue.main.asyncAfter(deadline: .now() + duration + beginTime) {
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layer.removeFromSuperlayer()
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}
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let scaleOutAnimation = CABasicAnimation(keyPath: "transform.scale")
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scaleOutAnimation.fromValue = 1 // layer.presentation()?.value(forKey: "transform.scale") ?? 1
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scaleOutAnimation.toValue = 0.1
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scaleOutAnimation.duration = duration
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scaleOutAnimation.beginTime = CACurrentMediaTime() + beginTime
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layer.add(scaleOutAnimation, forKey: "scaleout")
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let translate = CABasicAnimation(keyPath: "transform.translation")
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translate.fromValue = CGPoint.zero
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translate.toValue = CGPoint(x: 0, y: -layer.bounds.height * 0.3)// -layer.bounds.height + 3.0)
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translate.duration = duration
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translate.beginTime = CACurrentMediaTime() + beginTime
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layer.add(translate, forKey: "translate")
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}
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func animateIn(for newLayer: CALayer, duration: CFTimeInterval, beginTime: CFTimeInterval) {
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newLayer.opacity = 0
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// newLayer.backgroundColor = UIColor.red.cgColor
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let opacityInAnimation = CABasicAnimation(keyPath: "opacity")
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opacityInAnimation.fromValue = 0
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opacityInAnimation.toValue = 1
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opacityInAnimation.duration = duration
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opacityInAnimation.beginTime = CACurrentMediaTime() + beginTime
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// opacityInAnimation.isAdditive = true
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opacityInAnimation.fillMode = .backwards
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newLayer.opacity = 1
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newLayer.add(opacityInAnimation, forKey: "opacity")
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// newLayer.opacity = 1
|
|
|
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let scaleOutAnimation = CABasicAnimation(keyPath: "transform.scale")
|
|
scaleOutAnimation.fromValue = 0
|
|
scaleOutAnimation.toValue = 1
|
|
scaleOutAnimation.duration = duration
|
|
scaleOutAnimation.beginTime = CACurrentMediaTime() + beginTime
|
|
// scaleOutAnimation.isAdditive = true
|
|
newLayer.add(scaleOutAnimation, forKey: "scalein")
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|
|
|
let animation = CAKeyframeAnimation()
|
|
animation.keyPath = "position.y"
|
|
animation.values = [18, -6, 0]
|
|
animation.keyTimes = [0, 0.64, 1]
|
|
animation.timingFunction = CAMediaTimingFunction.init(name: .easeInEaseOut)
|
|
animation.duration = duration / 0.64
|
|
animation.beginTime = CACurrentMediaTime() + beginTime
|
|
animation.isAdditive = true
|
|
newLayer.add(animation, forKey: "pos")
|
|
}
|
|
}
|
|
*/
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