2022-12-29 20:52:47 +04:00

1051 lines
45 KiB
Swift

import Foundation
import UIKit
import Display
import AsyncDisplayKit
import ComponentFlow
import SwiftSignalKit
import ViewControllerComponent
import ComponentDisplayAdapters
import TelegramPresentationData
import AccountContext
import TelegramCore
import MultilineTextComponent
import EmojiStatusComponent
import Postbox
private func interpolateChartData(start: PieChartComponent.ChartData, end: PieChartComponent.ChartData, progress: CGFloat) -> PieChartComponent.ChartData {
if start.items.count != end.items.count {
return start
}
var result = end
for i in 0 ..< result.items.count {
result.items[i].value = (1.0 - progress) * start.items[i].value + progress * end.items[i].value
result.items[i].color = start.items[i].color.interpolateTo(end.items[i].color, fraction: progress) ?? end.items[i].color
result.items[i].mergeFactor = (1.0 - progress) * start.items[i].mergeFactor + progress * end.items[i].mergeFactor
}
return result
}
private func processChartData(data: PieChartComponent.ChartData) -> PieChartComponent.ChartData {
var data = data
let minValue: Double = 0.01
var totalSum: CGFloat = 0.0
for i in 0 ..< data.items.count {
if data.items[i].value > 0.00001 {
data.items[i].value = max(data.items[i].value, minValue)
}
totalSum += data.items[i].value
}
var hasOneItem = false
for i in 0 ..< data.items.count {
if data.items[i].value != 0 && totalSum == data.items[i].value {
data.items[i].value = 1.0
hasOneItem = true
break
}
}
if !hasOneItem {
if abs(totalSum - 1.0) > 0.0001 {
let deltaValue = totalSum - 1.0
var availableSum: Double = 0.0
for i in 0 ..< data.items.count {
let itemValue = data.items[i].value
let availableItemValue = max(0.0, itemValue - minValue)
if availableItemValue > 0.0 {
availableSum += availableItemValue
}
}
totalSum = 0.0
let itemFraction = deltaValue / availableSum
for i in 0 ..< data.items.count {
let itemValue = data.items[i].value
let availableItemValue = max(0.0, itemValue - minValue)
if availableItemValue > 0.0 {
let itemDelta = availableItemValue * itemFraction
data.items[i].value -= itemDelta
}
totalSum += data.items[i].value
}
}
if totalSum > 0.0 && totalSum < 1.0 - 0.0001 {
for i in 0 ..< data.items.count {
data.items[i].value /= totalSum
}
}
}
return data
}
private let chartLabelFont = Font.with(size: 16.0, design: .round, weight: .semibold)
private final class ChartLabel: UIView {
private let label: ImmediateTextView
private var currentText: String?
override init(frame: CGRect) {
self.label = ImmediateTextView()
super.init(frame: frame)
self.addSubview(self.label)
}
required init(coder: NSCoder) {
preconditionFailure()
}
func update(text: String) -> CGSize {
if self.currentText == text {
return self.label.bounds.size
}
var snapshotView: UIView?
if self.currentText != nil {
snapshotView = self.label.snapshotView(afterScreenUpdates: false)
snapshotView?.frame = self.label.frame
}
self.currentText = text
self.label.attributedText = NSAttributedString(string: text, font: chartLabelFont, textColor: .white)
let size = self.label.updateLayout(CGSize(width: 100.0, height: 100.0))
self.label.frame = CGRect(origin: CGPoint(x: floor(-size.width * 0.5), y: floor(-size.height * 0.5)), size: size)
if let snapshotView {
self.addSubview(snapshotView)
snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak snapshotView] _ in
snapshotView?.removeFromSuperview()
})
snapshotView.layer.animateScale(from: 1.0, to: 0.001, duration: 0.2, removeOnCompletion: false)
self.label.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
self.label.layer.animateScale(from: 0.001, to: 1.0, duration: 0.2)
}
return size
}
}
final class PieChartComponent: Component {
struct ChartData: Equatable {
struct Item: Equatable {
var id: StorageUsageScreenComponent.Category
var displayValue: Double
var value: Double
var color: UIColor
var mergeable: Bool
var mergeFactor: CGFloat
init(id: StorageUsageScreenComponent.Category, displayValue: Double, value: Double, color: UIColor, mergeable: Bool, mergeFactor: CGFloat) {
self.id = id
self.displayValue = displayValue
self.value = value
self.color = color
self.mergeable = mergeable
self.mergeFactor = mergeFactor
}
}
var items: [Item]
init(items: [Item]) {
self.items = items
}
}
let theme: PresentationTheme
let chartData: ChartData
init(
theme: PresentationTheme,
chartData: ChartData
) {
self.theme = theme
self.chartData = chartData
}
static func ==(lhs: PieChartComponent, rhs: PieChartComponent) -> Bool {
if lhs.theme !== rhs.theme {
return false
}
if lhs.chartData != rhs.chartData {
return false
}
return true
}
private struct CalculatedLabel {
var image: UIImage
var alpha: CGFloat
var angle: CGFloat
var radius: CGFloat
var scale: CGFloat
init(
image: UIImage,
alpha: CGFloat,
angle: CGFloat,
radius: CGFloat,
scale: CGFloat
) {
self.image = image
self.alpha = alpha
self.angle = angle
self.radius = radius
self.scale = scale
}
}
private struct CalculatedSection {
var id: StorageUsageScreenComponent.Category
var color: UIColor
var innerAngle: Range<CGFloat>
var outerAngle: Range<CGFloat>
var innerRadius: CGFloat
var outerRadius: CGFloat
var label: CalculatedLabel?
init(
id: StorageUsageScreenComponent.Category,
color: UIColor,
innerAngle: Range<CGFloat>,
outerAngle: Range<CGFloat>,
innerRadius: CGFloat,
outerRadius: CGFloat,
label: CalculatedLabel?
) {
self.id = id
self.color = color
self.innerAngle = innerAngle
self.outerAngle = outerAngle
self.innerRadius = innerRadius
self.outerRadius = outerRadius
self.label = label
}
}
private struct ItemAngleData {
var angleValue: CGFloat
var startAngle: CGFloat
var endAngle: CGFloat
}
private struct CalculatedLayout {
var size: CGSize
var sections: [CalculatedSection]
init(size: CGSize, sections: [CalculatedSection]) {
self.size = size
self.sections = sections
}
init(size: CGSize, items: [ChartData.Item], selectedKey: AnyHashable?) {
self.size = size
self.sections = []
if items.isEmpty {
return
}
let innerDiameter: CGFloat = 100.0
let spacing: CGFloat = 2.0
let innerAngleSpacing: CGFloat = spacing / (innerDiameter * 0.5)
var angles: [Double] = []
for i in 0 ..< items.count {
let item = items[i]
let angle = item.value * CGFloat.pi * 2.0
angles.append(angle)
}
let diameter: CGFloat = 200.0
let reducedDiameter: CGFloat = 170.0
var anglesData: [ItemAngleData] = []
var startAngle: CGFloat = 0.0
for i in 0 ..< items.count {
let item = items[i]
let itemOuterDiameter: CGFloat
if let selectedKey {
if selectedKey == AnyHashable(item.id) {
itemOuterDiameter = diameter
} else {
itemOuterDiameter = reducedDiameter
}
} else {
itemOuterDiameter = diameter
}
let angleSpacing: CGFloat = spacing / (itemOuterDiameter * 0.5)
let angleValue: CGFloat = angles[i]
var beforeSpacingFraction: CGFloat = 1.0
var afterSpacingFraction: CGFloat = 1.0
if item.mergeable {
let previousItem: ChartData.Item
if i == 0 {
previousItem = items[items.count - 1]
} else {
previousItem = items[i - 1]
}
let nextItem: ChartData.Item
if i == items.count - 1 {
nextItem = items[0]
} else {
nextItem = items[i + 1]
}
if previousItem.mergeable {
beforeSpacingFraction = item.mergeFactor * 1.0 + (1.0 - item.mergeFactor) * (-0.2)
}
if nextItem.mergeable {
afterSpacingFraction = item.mergeFactor * 1.0 + (1.0 - item.mergeFactor) * (-0.2)
}
}
let innerStartAngle = startAngle + innerAngleSpacing * 0.5
let arcInnerStartAngle = startAngle + innerAngleSpacing * 0.5 * beforeSpacingFraction
var innerEndAngle = startAngle + angleValue - innerAngleSpacing * 0.5
innerEndAngle = max(innerEndAngle, innerStartAngle)
var arcInnerEndAngle = startAngle + angleValue - innerAngleSpacing * 0.5 * afterSpacingFraction
arcInnerEndAngle = max(arcInnerEndAngle, arcInnerStartAngle)
let outerStartAngle = startAngle + angleSpacing * 0.5
let arcOuterStartAngle = startAngle + angleSpacing * 0.5 * beforeSpacingFraction
var outerEndAngle = startAngle + angleValue - angleSpacing * 0.5
outerEndAngle = max(outerEndAngle, outerStartAngle)
var arcOuterEndAngle = startAngle + angleValue - angleSpacing * 0.5 * afterSpacingFraction
arcOuterEndAngle = max(arcOuterEndAngle, arcOuterStartAngle)
self.sections.append(CalculatedSection(
id: item.id,
color: item.color,
innerAngle: arcInnerStartAngle ..< arcInnerEndAngle,
outerAngle: arcOuterStartAngle ..< arcOuterEndAngle,
innerRadius: innerDiameter * 0.5,
outerRadius: itemOuterDiameter * 0.5,
label: nil
))
startAngle += angleValue
anglesData.append(ItemAngleData(angleValue: angleValue, startAngle: innerStartAngle, endAngle: innerEndAngle))
}
var mergedItem: (displayValue: Double, angleData: ItemAngleData, mergeFactor: CGFloat)?
for i in 0 ..< items.count {
let item = items[i]
let angleData = anglesData[i]
self.updateLabel(
index: i,
displayValue: item.displayValue,
mergeFactor: item.mergeFactor,
innerAngle: self.sections[i].innerAngle,
outerAngle: self.sections[i].outerAngle,
innerRadius: self.sections[i].innerRadius,
outerRadius: self.sections[i].outerRadius
)
if item.mergeable {
if var currentMergedItem = mergedItem {
currentMergedItem.displayValue += item.displayValue
currentMergedItem.angleData.startAngle = min(currentMergedItem.angleData.startAngle, angleData.startAngle)
currentMergedItem.angleData.endAngle = max(currentMergedItem.angleData.endAngle, angleData.endAngle)
mergedItem = currentMergedItem
} else {
let invertedMergeFactor: CGFloat = 1.0 - max(0.0, item.mergeFactor)
mergedItem = (item.displayValue, angleData, invertedMergeFactor)
}
}
}
/*if let mergedItem {
updateItemLabel(id: "merged", displayValue: mergedItem.displayValue, mergeFactor: mergedItem.mergeFactor, angleData: mergedItem.angleData)
} else {
if let label = self.labels["merged"] {
self.labels.removeValue(forKey: "merged")
label.removeFromSuperview()
}
}*/
}
private mutating func updateLabel(
index: Int,
displayValue: Double,
mergeFactor: CGFloat,
innerAngle: Range<CGFloat>,
outerAngle: Range<CGFloat>,
innerRadius: CGFloat,
outerRadius: CGFloat
) {
let fractionValue: Double = floor(displayValue * 100.0 * 10.0) / 10.0
let fractionString: String
if fractionValue < 0.1 {
fractionString = "<0.1"
} else if abs(Double(Int(fractionValue)) - fractionValue) < 0.001 {
fractionString = "\(Int(fractionValue))"
} else {
fractionString = "\(fractionValue)"
}
let labelString = NSAttributedString(string: "\(fractionString)%", font: chartLabelFont, textColor: .white)
let labelBounds = labelString.boundingRect(with: CGSize(width: 100.0, height: 100.0), options: [.usesLineFragmentOrigin], context: nil)
let labelSize = CGSize(width: ceil(labelBounds.width), height: ceil(labelBounds.height))
guard let labelImage = generateImage(labelSize, rotatedContext: { size, context in
context.clear(CGRect(origin: CGPoint(), size: size))
UIGraphicsPushContext(context)
labelString.draw(in: labelBounds)
UIGraphicsPopContext()
}) else {
return
}
var resultLabel: CalculatedLabel?
if innerAngle.upperBound - innerAngle.lowerBound >= 0.001 {
for step in 0 ... 10 {
let stepFraction: CGFloat = CGFloat(step) / 10.0
let centerOffset: CGFloat = 0.5 * (1.0 - stepFraction) + 0.65 * stepFraction
let midAngle: CGFloat = (innerAngle.lowerBound + innerAngle.upperBound) * 0.5
let centerDistance: CGFloat = (innerRadius + (outerRadius - innerRadius) * centerOffset)
let relLabelCenter = CGPoint(
x: cos(midAngle) * centerDistance,
y: sin(midAngle) * centerDistance
)
func lineCircleIntersection(_ center: CGPoint, _ p1: CGPoint, _ p2: CGPoint, _ r: CGFloat) -> CGFloat {
let dx: CGFloat = p2.x - p1.x
let dy: CGFloat = p2.y - p1.y
let dr: CGFloat = sqrt(dx * dx + dy * dy)
let D: CGFloat = p1.x * p2.y - p2.x * p1.y
var minDistance: CGFloat = 10000.0
for i in 0 ..< 2 {
let signFactor: CGFloat = i == 0 ? 1.0 : (-1.0)
let dysign: CGFloat = dy < 0.0 ? -1.0 : 1.0
let ix: CGFloat = (D * dy + signFactor * dysign * dx * sqrt(r * r * dr * dr - D * D)) / (dr * dr)
let iy: CGFloat = (-D * dx + signFactor * abs(dy) * sqrt(r * r * dr * dr - D * D)) / (dr * dr)
let distance: CGFloat = sqrt(pow(ix - center.x, 2.0) + pow(iy - center.y, 2.0))
minDistance = min(minDistance, distance)
}
return minDistance
}
func lineLineIntersection(_ p1: CGPoint, _ p2: CGPoint, _ p3: CGPoint, _ p4: CGPoint) -> CGFloat {
let x1 = p1.x
let y1 = p1.y
let x2 = p2.x
let y2 = p2.y
let x3 = p3.x
let y3 = p3.y
let x4 = p4.x
let y4 = p4.y
let d: CGFloat = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4)
if abs(d) <= 0.00001 {
return 10000.0
}
let px: CGFloat = ((x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4)) / d
let py: CGFloat = ((x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4)) / d
let distance: CGFloat = sqrt(pow(px - p1.x, 2.0) + pow(py - p1.y, 2.0))
return distance
}
let intersectionOuterTopRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), outerRadius)
let intersectionInnerTopRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), innerRadius)
let intersectionOuterBottomRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), outerRadius)
let intersectionInnerBottomRight = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), innerRadius)
let horizontalInset: CGFloat = 2.0
let intersectionOuterLeft = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y), outerRadius) - horizontalInset
let intersectionInnerLeft = lineCircleIntersection(relLabelCenter, relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y), innerRadius) - horizontalInset
let intersectionLine1TopRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerAngle.lowerBound), y: sin(innerAngle.lowerBound)))
let intersectionLine1BottomRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerAngle.lowerBound), y: sin(innerAngle.lowerBound)))
let intersectionLine2TopRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y + labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerAngle.upperBound), y: sin(innerAngle.upperBound)))
let intersectionLine2BottomRight = lineLineIntersection(relLabelCenter, CGPoint(x: relLabelCenter.x + labelSize.width * 0.5, y: relLabelCenter.y - labelSize.height * 0.5), CGPoint(), CGPoint(x: cos(innerAngle.upperBound), y: sin(innerAngle.upperBound)))
var distances: [CGFloat] = [
intersectionOuterTopRight,
intersectionInnerTopRight,
intersectionOuterBottomRight,
intersectionInnerBottomRight,
intersectionOuterLeft,
intersectionInnerLeft
]
if innerAngle.upperBound - innerAngle.lowerBound < CGFloat.pi / 2.0 {
distances.append(contentsOf: [
intersectionLine1TopRight,
intersectionLine1BottomRight,
intersectionLine2TopRight,
intersectionLine2BottomRight
] as [CGFloat])
}
var minDistance: CGFloat = 1000.0
for distance in distances {
minDistance = min(minDistance, max(distance, 1.0))
}
let diagonalAngle = atan2(labelSize.height, labelSize.width)
let maxHalfWidth = cos(diagonalAngle) * minDistance
let maxHalfHeight = sin(diagonalAngle) * minDistance
let maxSize = CGSize(width: maxHalfWidth * 2.0, height: maxHalfHeight * 2.0)
let finalSize = CGSize(width: min(labelSize.width, maxSize.width), height: min(labelSize.height, maxSize.height))
let currentScale = finalSize.width / labelSize.width
if currentScale >= 1.0 - 0.001 {
resultLabel = CalculatedLabel(
image: labelImage,
alpha: 1.0,
angle: midAngle,
radius: centerDistance,
scale: 1.0
)
break
}
if let resultLabel {
if resultLabel.scale > currentScale {
continue
}
}
resultLabel = CalculatedLabel(
image: labelImage,
alpha: currentScale >= 0.2 ? 1.0 : 0.0,
angle: midAngle,
radius: centerDistance,
scale: currentScale
)
}
} else {
let midAngle: CGFloat = (innerAngle.lowerBound + innerAngle.upperBound) * 0.5
let centerDistance: CGFloat = (innerRadius + (outerRadius - innerRadius) * 0.5)
resultLabel = CalculatedLabel(
image: labelImage,
alpha: 0.0,
angle: midAngle,
radius: centerDistance,
scale: 0.001
)
}
if let resultLabel {
self.sections[index].label = resultLabel
}
}
}
private struct Particle {
var trackIndex: Int
var position: CGPoint
var scale: CGFloat
var alpha: CGFloat
var direction: CGPoint
var velocity: CGFloat
init(
trackIndex: Int,
position: CGPoint,
scale: CGFloat,
alpha: CGFloat,
direction: CGPoint,
velocity: CGFloat
) {
self.trackIndex = trackIndex
self.position = position
self.scale = scale
self.alpha = alpha
self.direction = direction
self.velocity = velocity
}
mutating func update(deltaTime: CGFloat) {
var position = self.position
position.x += self.direction.x * self.velocity * deltaTime
position.y += self.direction.y * self.velocity * deltaTime
self.position = position
}
}
private final class ParticleSet {
private(set) var particles: [Particle] = []
init() {
self.generateParticles(preAdvance: true)
}
private func generateParticles(preAdvance: Bool) {
let maxDirections = 24
if self.particles.count < maxDirections {
var allTrackIndices: [Int] = Array(repeating: 0, count: maxDirections)
for i in 0 ..< maxDirections {
allTrackIndices[i] = i
}
var takenIndexCount = 0
for particle in self.particles {
allTrackIndices[particle.trackIndex] = -1
takenIndexCount += 1
}
var availableTrackIndices: [Int] = []
availableTrackIndices.reserveCapacity(maxDirections - takenIndexCount)
for index in allTrackIndices {
if index != -1 {
availableTrackIndices.append(index)
}
}
if !availableTrackIndices.isEmpty {
availableTrackIndices.shuffle()
for takeIndex in availableTrackIndices {
let directionIndex = takeIndex
let angle = (CGFloat(directionIndex % maxDirections) / CGFloat(maxDirections)) * CGFloat.pi * 2.0
let direction = CGPoint(x: cos(angle), y: sin(angle))
let velocity = CGFloat.random(in: 20.0 ..< 40.0)
let alpha = CGFloat.random(in: 0.1 ..< 0.4)
let scale = CGFloat.random(in: 0.5 ... 1.0) * 0.22
var position = CGPoint(x: 100.0, y: 100.0)
var initialOffset: CGFloat = 0.4
if preAdvance {
initialOffset = CGFloat.random(in: initialOffset ... 1.0)
}
position.x += direction.x * initialOffset * 105.0
position.y += direction.y * initialOffset * 105.0
let particle = Particle(
trackIndex: directionIndex,
position: position,
scale: scale,
alpha: alpha,
direction: direction,
velocity: velocity
)
self.particles.append(particle)
}
}
}
}
func update(deltaTime: CGFloat) {
let size = CGSize(width: 200.0, height: 200.0)
let radius2 = pow(size.width * 0.5 + 10.0, 2.0)
for i in (0 ..< self.particles.count).reversed() {
self.particles[i].update(deltaTime: deltaTime)
let position = self.particles[i].position
if pow(position.x - size.width * 0.5, 2.0) + pow(position.y - size.height * 0.5, 2.0) > radius2 {
self.particles.remove(at: i)
}
}
self.generateParticles(preAdvance: false)
}
}
private final class SectionLayer: SimpleLayer {
private let maskLayer: SimpleShapeLayer
private let gradientLayer: SimpleGradientLayer
private let labelLayer: SimpleLayer
private var currentLabelImage: UIImage?
private var particleImage: UIImage?
private var particleLayers: [SimpleLayer] = []
init(category: StorageUsageScreenComponent.Category) {
self.maskLayer = SimpleShapeLayer()
self.maskLayer.fillColor = UIColor.white.cgColor
self.gradientLayer = SimpleGradientLayer()
self.gradientLayer.type = .radial
self.gradientLayer.startPoint = CGPoint(x: 0.5, y: 0.5)
self.gradientLayer.endPoint = CGPoint(x: 1.0, y: 1.0)
self.labelLayer = SimpleLayer()
super.init()
self.mask = self.maskLayer
self.addSublayer(self.gradientLayer)
self.addSublayer(self.labelLayer)
switch category {
case .photos:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticlePhotos")?.precomposed()
case .videos:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticleVideos")?.precomposed()
case .files:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticleDocuments")?.precomposed()
case .music:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticleMusic")?.precomposed()
case .other:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticleOther")?.precomposed()
case .stickers:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticleStickers")?.precomposed()
case .avatars:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticleAvatars")?.precomposed()
case .misc:
self.particleImage = UIImage(bundleImageName: "Settings/Storage/ParticleOther")?.precomposed()
}
}
override init(layer: Any) {
self.maskLayer = SimpleShapeLayer()
self.gradientLayer = SimpleGradientLayer()
self.labelLayer = SimpleLayer()
super.init(layer: layer)
}
required init(coder: NSCoder) {
preconditionFailure()
}
func update(size: CGSize, section: CalculatedSection) {
self.maskLayer.frame = CGRect(origin: CGPoint(), size: size)
self.gradientLayer.frame = CGRect(origin: CGPoint(), size: size)
let normalColor = section.color.cgColor
let darkerColor = section.color.withMultipliedBrightnessBy(0.96).cgColor
let colors: [CGColor] = [
darkerColor,
normalColor,
normalColor,
normalColor,
darkerColor
]
self.gradientLayer.colors = colors
let locations: [CGFloat] = [
0.0,
0.3,
0.5,
0.7,
1.0
]
self.gradientLayer.locations = locations.map { location in
let location = location * 0.5 + 0.5
return location as NSNumber
}
let path = CGMutablePath()
path.addArc(center: CGPoint(x: size.width * 0.5, y: size.height * 0.5), radius: section.innerRadius, startAngle: section.innerAngle.upperBound, endAngle: section.innerAngle.lowerBound, clockwise: true)
path.addArc(center: CGPoint(x: size.width * 0.5, y: size.height * 0.5), radius: section.outerRadius, startAngle: section.outerAngle.lowerBound, endAngle: section.outerAngle.upperBound, clockwise: false)
self.maskLayer.path = path
if let label = section.label {
if self.currentLabelImage !== label.image {
self.currentLabelImage = label.image
self.labelLayer.contents = label.image.cgImage
}
let position = CGPoint(x: size.width * 0.5 + cos(label.angle) * label.radius, y: size.height * 0.5 + sin(label.angle) * label.radius)
let labelSize = CGSize(width: label.image.size.width * label.scale, height: label.image.size.height * label.scale)
let labelFrame = CGRect(origin: CGPoint(x: position.x - labelSize.width * 0.5, y: position.y - labelSize.height * 0.5), size: labelSize)
self.labelLayer.frame = labelFrame
self.labelLayer.opacity = Float(label.alpha)
} else {
self.currentLabelImage = nil
self.labelLayer.contents = nil
}
}
func updateParticles(particleSet: ParticleSet) {
guard let particleImage = self.particleImage else {
return
}
for i in 0 ..< particleSet.particles.count {
let particle = particleSet.particles[i]
let particleLayer: SimpleLayer
if i < self.particleLayers.count {
particleLayer = self.particleLayers[i]
particleLayer.isHidden = false
} else {
particleLayer = SimpleLayer()
particleLayer.contents = particleImage.cgImage
particleLayer.bounds = CGRect(origin: CGPoint(), size: particleImage.size)
self.particleLayers.append(particleLayer)
self.insertSublayer(particleLayer, above: self.gradientLayer)
}
particleLayer.position = particle.position
particleLayer.transform = CATransform3DMakeScale(particle.scale, particle.scale, 1.0)
particleLayer.opacity = Float(particle.alpha)
}
if particleSet.particles.count < self.particleLayers.count {
for i in particleSet.particles.count ..< self.particleLayers.count {
self.particleLayers[i].isHidden = true
}
}
}
}
private final class ChartDataView: UIView {
private(set) var theme: PresentationTheme?
private(set) var data: ChartData?
private(set) var selectedKey: AnyHashable?
private var currentAnimation: (start: ChartData, end: ChartData, current: ChartData, progress: CGFloat)?
private var currentLayout: CalculatedLayout?
private var animator: DisplayLinkAnimator?
private var displayLink: SharedDisplayLinkDriver.Link?
private var sectionLayers: [AnyHashable: SectionLayer] = [:]
private let particleSet: ParticleSet
private var labels: [AnyHashable: ChartLabel] = [:]
override init(frame: CGRect) {
self.particleSet = ParticleSet()
super.init(frame: frame)
self.backgroundColor = nil
self.isOpaque = false
self.displayLink = SharedDisplayLinkDriver.shared.add(needsHighestFramerate: true, { [weak self] in
self?.update()
})
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.animator?.invalidate()
}
func setItems(theme: PresentationTheme, data: ChartData, selectedKey: AnyHashable?, animated: Bool) {
let data = processChartData(data: data)
if self.theme !== theme || self.data != data || self.selectedKey != selectedKey {
self.theme = theme
self.selectedKey = selectedKey
if animated, let previous = self.data {
var initialState = previous
if let currentAnimation = self.currentAnimation {
initialState = currentAnimation.current
}
self.currentAnimation = (initialState, data, initialState, 0.0)
self.currentLayout = CalculatedLayout(
size: CGSize(width: 200.0, height: 200.0),
items: initialState.items,
selectedKey: self.selectedKey
)
self.animator?.invalidate()
self.animator = DisplayLinkAnimator(duration: 0.4, from: 0.0, to: 1.0, update: { [weak self] progress in
guard let self else {
return
}
let progress = listViewAnimationCurveSystem(progress)
if let currentAnimationValue = self.currentAnimation {
let interpolatedValue = interpolateChartData(start: currentAnimationValue.start, end: currentAnimationValue.end, progress: progress)
self.currentAnimation = (currentAnimationValue.start, currentAnimationValue.end, interpolatedValue, progress)
self.currentLayout = CalculatedLayout(
size: CGSize(width: 200.0, height: 200.0),
items: interpolatedValue.items,
selectedKey: self.selectedKey
)
self.update()
}
}, completion: { [weak self] in
guard let self else {
return
}
self.currentAnimation = nil
self.update()
})
} else {
self.currentLayout = CalculatedLayout(
size: CGSize(width: 200.0, height: 200.0),
items: data.items,
selectedKey: self.selectedKey
)
}
self.data = data
self.update()
}
}
private func update() {
self.particleSet.update(deltaTime: 1.0 / 60.0)
var validIds: [AnyHashable] = []
if let currentLayout = self.currentLayout {
for section in currentLayout.sections {
validIds.append(section.id)
let sectionLayer: SectionLayer
if let current = self.sectionLayers[section.id] {
sectionLayer = current
} else {
sectionLayer = SectionLayer(category: section.id)
self.sectionLayers[section.id] = sectionLayer
self.layer.addSublayer(sectionLayer)
}
sectionLayer.frame = CGRect(origin: CGPoint(), size: CGSize(width: 200.0, height: 200.0))
sectionLayer.update(size: sectionLayer.bounds.size, section: section)
sectionLayer.updateParticles(particleSet: self.particleSet)
}
}
var removeIds: [AnyHashable] = []
for (id, sectionLayer) in self.sectionLayers {
if !validIds.contains(id) {
removeIds.append(id)
sectionLayer.removeFromSuperlayer()
}
}
for id in removeIds {
self.sectionLayers.removeValue(forKey: id)
}
}
/*override func draw(_ rect: CGRect) {
guard let context = UIGraphicsGetCurrentContext() else {
return
}
guard let currentLayout = self.currentLayout else {
return
}
let size = CGSize(width: rect.width, height: rect.height)
for section in currentLayout.sections {
if section.innerAngle.lowerBound == section.innerAngle.upperBound {
continue
}
let path = CGMutablePath()
path.addArc(center: CGPoint(x: size.width * 0.5, y: size.height * 0.5), radius: section.innerRadius, startAngle: section.innerAngle.upperBound, endAngle: section.innerAngle.lowerBound, clockwise: true)
path.addArc(center: CGPoint(x: size.width * 0.5, y: size.height * 0.5), radius: section.outerRadius, startAngle: section.outerAngle.lowerBound, endAngle: section.outerAngle.upperBound, clockwise: false)
context.addPath(path)
context.clip()
let colors: [CGColor] = [
section.color.withMultipliedBrightnessBy(0.9).cgColor,
section.color.cgColor,
section.color.cgColor,
section.color.cgColor,
section.color.withMultipliedBrightnessBy(0.9).cgColor
]
var locations: [CGFloat] = [
1.0,
0.9,
0.5,
0.1,
0.0
]
if let gradient = CGGradient(colorsSpace: nil, colors: colors as CFArray, locations: &locations) {
context.drawRadialGradient(gradient, startCenter: CGPoint(x: size.width * 0.5, y: size.height * 0.5), startRadius: section.innerRadius, endCenter: CGPoint(x: size.width * 0.5, y: size.height * 0.5), endRadius: section.outerRadius, options: [])
}
context.resetClip()
//context.setFillColor(section.color.cgColor)
//context.fillPath()
if let label = section.label {
let position = CGPoint(x: size.width * 0.5 + cos(label.angle) * label.radius, y: size.height * 0.5 + sin(label.angle) * label.radius)
let labelSize = CGSize(width: label.image.size.width * label.scale, height: label.image.size.height * label.scale)
let labelFrame = CGRect(origin: CGPoint(x: position.x - labelSize.width * 0.5, y: position.y - labelSize.height * 0.5), size: labelSize)
label.image.draw(in: labelFrame, blendMode: .normal, alpha: label.alpha)
}
}
}*/
}
class View: UIView {
private let dataView: ChartDataView
private var labels: [StorageUsageScreenComponent.Category: ComponentView<Empty>] = [:]
var selectedKey: StorageUsageScreenComponent.Category?
private weak var state: EmptyComponentState?
override init(frame: CGRect) {
self.dataView = ChartDataView()
super.init(frame: frame)
self.addSubview(self.dataView)
self.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.tapGesture(_:))))
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
@objc private func tapGesture(_ recognizer: UITapGestureRecognizer) {
if case .ended = recognizer.state {
let point = recognizer.location(in: self)
let _ = point
/*for (key, layer) in self.shapeLayers {
if layer.frame.contains(point), let path = layer.path {
if path.contains(self.layer.convert(point, to: layer)) {
if self.selectedKey == key {
self.selectedKey = nil
} else {
self.selectedKey = key
}
self.state?.updated(transition: Transition(animation: .curve(duration: 0.3, curve: .spring)))
break
}
}
}*/
}
}
func update(component: PieChartComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
self.state = state
transition.setFrame(view: self.dataView, frame: CGRect(origin: CGPoint(x: floor((availableSize.width - 200.0) / 2.0), y: 0.0), size: CGSize(width: 200.0, height: 200.0)))
self.dataView.setItems(theme: component.theme, data: component.chartData, selectedKey: self.selectedKey, animated: !transition.animation.isImmediate)
return CGSize(width: availableSize.width, height: 200.0)
}
}
func makeView() -> View {
return View(frame: CGRect())
}
func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
}
}