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Refactor ShareController and related components

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Peter
2019-08-05 19:30:39 +03:00
parent 9ac37c00c0
commit cae277d487
203 changed files with 10291 additions and 447 deletions
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233
submodules/RadialStatusNode/Sources/RadialStatusSecretTimeoutContentNode.swift Normal file
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import Foundation
import UIKit
import Display
import AsyncDisplayKit
import LegacyComponents
private struct ContentParticle {
var position: CGPoint
var direction: CGPoint
var velocity: CGFloat
var alpha: CGFloat
var lifetime: Double
var beginTime: Double
init(position: CGPoint, direction: CGPoint, velocity: CGFloat, alpha: CGFloat, lifetime: Double, beginTime: Double) {
self.position = position
self.direction = direction
self.velocity = velocity
self.alpha = alpha
self.lifetime = lifetime
self.beginTime = beginTime
}
}
private final class RadialStatusSecretTimeoutContentNodeParameters: NSObject {
let color: UIColor
let icon: UIImage?
let progress: CGFloat
let sparks: Bool
let particles: [ContentParticle]
init(color: UIColor, icon: UIImage?, progress: CGFloat, sparks: Bool, particles: [ContentParticle]) {
self.color = color
self.icon = icon
self.progress = progress
self.sparks = sparks
self.particles = particles
}
}
final class RadialStatusSecretTimeoutContentNode: RadialStatusContentNode {
var color: UIColor {
didSet {
self.setNeedsDisplay()
}
}
private let beginTime: Double
private let timeout: Double
private let icon: UIImage?
private let sparks: Bool
private var progress: CGFloat = 0.0
private var particles: [ContentParticle] = []
private var displayLink: CADisplayLink?
init(color: UIColor, beginTime: Double, timeout: Double, icon: UIImage?, sparks: Bool) {
self.color = color
self.beginTime = beginTime
self.timeout = timeout
self.icon = icon
self.sparks = sparks
super.init()
self.isOpaque = false
self.isLayerBacked = true
class DisplayLinkProxy: NSObject {
weak var target: RadialStatusSecretTimeoutContentNode?
init(target: RadialStatusSecretTimeoutContentNode) {
self.target = target
}
@objc func displayLinkEvent() {
self.target?.displayLinkEvent()
}
}
self.displayLink = CADisplayLink(target: DisplayLinkProxy(target: self), selector: #selector(DisplayLinkProxy.displayLinkEvent))
self.displayLink?.isPaused = true
self.displayLink?.add(to: RunLoop.main, forMode: .common)
}
deinit {
self.displayLink?.invalidate()
}
override func layout() {
super.layout()
}
override func animateOut(to: RadialStatusNodeState, completion: @escaping () -> Void) {
self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false, completion: { _ in
completion()
})
}
override func animateIn(from: RadialStatusNodeState, delay: Double) {
self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.15, delay: delay)
}
override func willEnterHierarchy() {
super.willEnterHierarchy()
self.displayLink?.isPaused = false
}
override func didExitHierarchy() {
super.didExitHierarchy()
self.displayLink?.isPaused = true
}
private func displayLinkEvent() {
let bounds = self.bounds
if bounds.width.isZero {
return
}
let absoluteTimestamp = CFAbsoluteTimeGetCurrent() + NSTimeIntervalSince1970
self.progress = min(1.0, CGFloat((absoluteTimestamp - self.beginTime) / self.timeout))
if self.sparks {
let lineWidth: CGFloat = 1.75
let center = bounds.center
let radius: CGFloat = (bounds.size.width - lineWidth - 2.5 * 2.0) * 0.5
let endAngle: CGFloat = -CGFloat.pi / 2.0 + 2.0 * CGFloat.pi * self.progress
let v = CGPoint(x: sin(endAngle), y: -cos(endAngle))
let c = CGPoint(x: -v.y * radius + center.x, y: v.x * radius + center.y)
let timestamp = CACurrentMediaTime()
let dt: CGFloat = 1.0 / 60.0
var removeIndices: [Int] = []
for i in 0 ..< self.particles.count {
let currentTime = timestamp - self.particles[i].beginTime
if currentTime > self.particles[i].lifetime {
removeIndices.append(i)
} else {
let input: CGFloat = CGFloat(currentTime / self.particles[i].lifetime)
let decelerated: CGFloat = (1.0 - (1.0 - input) * (1.0 - input))
self.particles[i].alpha = 1.0 - decelerated
var p = self.particles[i].position
let d = self.particles[i].direction
let v = self.particles[i].velocity
p = CGPoint(x: p.x + d.x * v * dt, y: p.y + d.y * v * dt)
self.particles[i].position = p
}
}
for i in removeIndices.reversed() {
self.particles.remove(at: i)
}
let newParticleCount = 1
for _ in 0 ..< newParticleCount {
let degrees: CGFloat = CGFloat(arc4random_uniform(140)) - 70.0
let angle: CGFloat = degrees * CGFloat.pi / 180.0
let direction = CGPoint(x: v.x * cos(angle) - v.y * sin(angle), y: v.x * sin(angle) + v.y * cos(angle))
let velocity = (20.0 + (CGFloat(arc4random()) / CGFloat(UINT32_MAX)) * 4.0) * 0.5
let lifetime = Double(0.4 + CGFloat(arc4random_uniform(100)) * 0.01)
let particle = ContentParticle(position: c, direction: direction, velocity: velocity, alpha: 1.0, lifetime: lifetime, beginTime: timestamp)
self.particles.append(particle)
}
}
self.setNeedsDisplay()
}
override func drawParameters(forAsyncLayer layer: _ASDisplayLayer) -> NSObjectProtocol? {
return RadialStatusSecretTimeoutContentNodeParameters(color: self.color, icon: self.icon, progress: self.progress, sparks: self.sparks, particles: self.particles)
}
@objc override class func draw(_ bounds: CGRect, withParameters parameters: Any?, isCancelled: () -> Bool, isRasterizing: Bool) {
let context = UIGraphicsGetCurrentContext()!
if !isRasterizing {
context.setBlendMode(.copy)
context.setFillColor(UIColor.clear.cgColor)
context.fill(bounds)
}
if let parameters = parameters as? RadialStatusSecretTimeoutContentNodeParameters {
if let icon = parameters.icon, let iconImage = icon.cgImage {
let imageRect = CGRect(origin: CGPoint(x: floor((bounds.size.width - icon.size.width) / 2.0), y: floor((bounds.size.height - icon.size.height) / 2.0)), size: icon.size)
context.saveGState()
context.translateBy(x: imageRect.midX, y: imageRect.midY)
context.scaleBy(x: 1.0, y: -1.0)
context.translateBy(x: -imageRect.midX, y: -imageRect.midY)
context.draw(iconImage, in: imageRect)
context.restoreGState()
}
let lineWidth: CGFloat
if parameters.sparks {
lineWidth = 1.75
} else {
lineWidth = 1.75
}
context.setFillColor(parameters.color.cgColor)
context.setStrokeColor(parameters.color.cgColor)
context.setLineWidth(lineWidth)
context.setLineCap(.round)
context.setLineJoin(.miter)
context.setMiterLimit(10.0)
let center = bounds.center
let radius: CGFloat = (bounds.size.width - lineWidth - 2.5 * 2.0) * 0.5
let startAngle: CGFloat = -CGFloat.pi / 2.0
let endAngle: CGFloat = -CGFloat.pi / 2.0 + 2.0 * CGFloat.pi * parameters.progress
let path = CGMutablePath()
path.addArc(center: center, radius: radius, startAngle: startAngle, endAngle: endAngle, clockwise: true)
context.addPath(path)
context.strokePath()
for particle in parameters.particles {
let size: CGFloat = 1.3
context.setAlpha(particle.alpha)
context.fillEllipse(in: CGRect(origin: CGPoint(x: particle.position.x - size / 2.0, y: particle.position.y - size / 2.0), size: CGSize(width: size, height: size)))
}
}
}
}