2022-12-08 10:14:34 +04:00

325 lines
12 KiB
Swift

import Foundation
import UIKit
import ComponentFlow
import ActivityIndicatorComponent
import AccountContext
import AVKit
import MultilineTextComponent
import Display
final class StreamSheetComponent: CombinedComponent {
let topComponent: AnyComponent<Empty>?
let bottomButtonsRow: AnyComponent<Empty>?
// TODO: sync
let sheetHeight: CGFloat
let topOffset: CGFloat
let backgroundColor: UIColor
let participantsCount: Int
let bottomPadding: CGFloat
let isFullyExtended: Bool
let deviceCornerRadius: CGFloat
let videoHeight: CGFloat
init(
topComponent: AnyComponent<Empty>,
bottomButtonsRow: AnyComponent<Empty>,
topOffset: CGFloat,
sheetHeight: CGFloat,
backgroundColor: UIColor,
bottomPadding: CGFloat,
participantsCount: Int,
isFullyExtended: Bool,
deviceCornerRadius: CGFloat,
videoHeight: CGFloat
) {
self.topComponent = topComponent
self.bottomButtonsRow = bottomButtonsRow
self.topOffset = topOffset
self.sheetHeight = sheetHeight
self.backgroundColor = backgroundColor
self.bottomPadding = bottomPadding
self.participantsCount = participantsCount
self.isFullyExtended = isFullyExtended
self.deviceCornerRadius = deviceCornerRadius
self.videoHeight = videoHeight
}
static func ==(lhs: StreamSheetComponent, rhs: StreamSheetComponent) -> Bool {
if lhs.topComponent != rhs.topComponent {
return false
}
if lhs.bottomButtonsRow != rhs.bottomButtonsRow {
return false
}
if lhs.topOffset != rhs.topOffset {
return false
}
if lhs.backgroundColor != rhs.backgroundColor {
return false
}
if lhs.sheetHeight != rhs.sheetHeight {
return false
}
if !lhs.backgroundColor.isEqual(rhs.backgroundColor) {
return false
}
if lhs.bottomPadding != rhs.bottomPadding {
return false
}
if lhs.participantsCount != rhs.participantsCount {
return false
}
if lhs.isFullyExtended != rhs.isFullyExtended {
return false
}
if lhs.videoHeight != rhs.videoHeight {
return false
}
return true
}
final class View: UIView {
var overlayComponentsFrames = [CGRect]()
override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
for subframe in overlayComponentsFrames {
if subframe.contains(point) { return true }
}
return false
}
func update(component: StreamSheetComponent, availableSize: CGSize, state: State, transition: Transition) -> CGSize {
return availableSize
}
override func draw(_ rect: CGRect) {
super.draw(rect)
// Debug interactive area
// guard let context = UIGraphicsGetCurrentContext() else { return }
// context.setFillColor(UIColor.red.cgColor)
// overlayComponentsFrames.forEach { frame in
// context.addRect(frame)
// context.fillPath()
// }
}
}
func makeView() -> View {
View()
}
public final class State: ComponentState {
override init() {
super.init()
}
}
public func makeState() -> State {
return State()
}
private weak var state: State?
static var body: Body {
let background = Child(SheetBackgroundComponent.self)
let topItem = Child(environment: Empty.self)
let viewerCounter = Child(ParticipantsComponent.self)
let bottomButtonsRow = Child(environment: Empty.self)
return { context in
let availableWidth = context.availableSize.width
let contentHeight: CGFloat = 44.0
let size = context.availableSize
let topOffset = context.component.topOffset
let backgroundExtraOffset = context.component.isFullyExtended ? -context.view.safeAreaInsets.top : 0
let background = background.update(
component: SheetBackgroundComponent(
color: context.component.backgroundColor,
radius: context.component.isFullyExtended ? context.component.deviceCornerRadius : 16,
offset: backgroundExtraOffset
),
availableSize: CGSize(width: size.width, height: context.component.sheetHeight),
transition: context.transition
)
let topItem = context.component.topComponent.flatMap { topItemComponent in
return topItem.update(
component: topItemComponent,
availableSize: CGSize(width: availableWidth, height: contentHeight),
transition: context.transition
)
}
let viewerCounter = viewerCounter.update(
component: ParticipantsComponent(count: context.component.participantsCount),
availableSize: CGSize(width: context.availableSize.width, height: 70),
transition: context.transition
)
let bottomButtonsRow = context.component.bottomButtonsRow.flatMap { bottomButtonsRowComponent in
return bottomButtonsRow.update(
component: bottomButtonsRowComponent,
availableSize: CGSize(width: availableWidth, height: contentHeight),
transition: context.transition
)
}
context.add(background
.position(CGPoint(x: size.width / 2.0, y: topOffset + context.component.sheetHeight / 2))
)
(context.view as? StreamSheetComponent.View)?.overlayComponentsFrames = []
context.view.backgroundColor = .clear
if let topItem = topItem {
context.add(topItem
.position(CGPoint(x: topItem.size.width / 2.0, y: topOffset + 32))
)
(context.view as? StreamSheetComponent.View)?.overlayComponentsFrames.append(.init(x: 0, y: topOffset, width: topItem.size.width, height: topItem.size.height))
}
let videoHeight = context.component.videoHeight
let sheetHeight = context.component.sheetHeight
let animatedParticipantsVisible = context.component.participantsCount != -1
if true {
context.add(viewerCounter
.position(CGPoint(x: context.availableSize.width / 2, y: topOffset + 50 + videoHeight + (sheetHeight - 69 - videoHeight - 50 - context.component.bottomPadding) / 2 - 12))
.opacity(animatedParticipantsVisible ? 1 : 0)
)
}
if let bottomButtonsRow = bottomButtonsRow {
context.add(bottomButtonsRow
.position(CGPoint(x: bottomButtonsRow.size.width / 2, y: context.component.sheetHeight - 50 / 2 + topOffset - context.component.bottomPadding))
)
(context.view as? StreamSheetComponent.View)?.overlayComponentsFrames.append(.init(x: 0, y: context.component.sheetHeight - 50 - 20 + topOffset - context.component.bottomPadding, width: bottomButtonsRow.size.width, height: bottomButtonsRow.size.height ))
}
return size
}
}
}
import TelegramPresentationData
import TelegramStringFormatting
private let purple = UIColor(rgb: 0x3252ef)
private let pink = UIColor(rgb: 0xe4436c)
private let latePurple = UIColor(rgb: 0x974aa9)
private let latePink = UIColor(rgb: 0xf0436c)
final class SheetBackgroundComponent: Component {
private let color: UIColor
private let radius: CGFloat
private let offset: CGFloat
class View: UIView {
private let backgroundView = UIView()
func update(availableSize: CGSize, color: UIColor, cornerRadius: CGFloat, offset: CGFloat, transition: Transition) {
if backgroundView.superview == nil {
self.addSubview(backgroundView)
}
// To fix release animation
let extraBottom: CGFloat = 500
if backgroundView.backgroundColor != color && backgroundView.backgroundColor != nil {
UIView.animate(withDuration: 0.4) { [self] in
backgroundView.backgroundColor = color
// TODO: determine if animation is needed (with logic, not color)
backgroundView.frame = .init(origin: .init(x: 0, y: offset), size: .init(width: availableSize.width, height: availableSize.height + extraBottom))
}
let anim = CABasicAnimation(keyPath: "cornerRadius")
anim.fromValue = backgroundView.layer.cornerRadius
backgroundView.layer.cornerRadius = cornerRadius
anim.toValue = cornerRadius
anim.duration = 0.4
backgroundView.layer.add(anim, forKey: "cornerRadius")
} else {
backgroundView.backgroundColor = color
backgroundView.frame = .init(origin: .init(x: 0, y: offset), size: .init(width: availableSize.width, height: availableSize.height + extraBottom))
backgroundView.layer.cornerRadius = cornerRadius
}
backgroundView.isUserInteractionEnabled = false
backgroundView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
backgroundView.clipsToBounds = true
backgroundView.layer.masksToBounds = true
}
}
func makeView() -> View {
View()
}
static func ==(lhs: SheetBackgroundComponent, rhs: SheetBackgroundComponent) -> Bool {
if !lhs.color.isEqual(rhs.color) {
return false
}
if lhs.radius != rhs.radius {
return false
}
if lhs.offset != rhs.offset {
return false
}
return true
}
public init(color: UIColor, radius: CGFloat, offset: CGFloat) {
self.color = color
self.radius = radius
self.offset = offset
}
public func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
view.update(availableSize: availableSize, color: color, cornerRadius: radius, offset: offset, transition: transition)
return availableSize
}
}
final class ParticipantsComponent: Component {
static func == (lhs: ParticipantsComponent, rhs: ParticipantsComponent) -> Bool {
lhs.count == rhs.count
}
func makeView() -> View {
View(frame: .zero)
}
func update(view: View, availableSize: CGSize, state: ComponentFlow.EmptyComponentState, environment: ComponentFlow.Environment<ComponentFlow.Empty>, transition: ComponentFlow.Transition) -> CGSize {
view.counter.update(
countString: count > 0 ? presentationStringsFormattedNumber(Int32(count), ",") : "",
subtitle: count > 0 ? "watching" : "no viewers"
)// environment.strings.LiveStream_NoViewers)
return availableSize
}
private let count: Int
init(count: Int) {
self.count = count
}
final class View: UIView {
let counter = AnimatedCountView()
override init(frame: CGRect) {
super.init(frame: frame)
self.addSubview(counter)
counter.clipsToBounds = false
}
override func layoutSubviews() {
super.layoutSubviews()
self.counter.frame = self.bounds
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
}