2023-11-13 21:51:22 +04:00

326 lines
15 KiB
Swift

import Foundation
import UIKit
import Display
import MetalEngine
import ComponentFlow
import SwiftSignalKit
final class ContentView: UIView {
private struct Params: Equatable {
var size: CGSize
var insets: UIEdgeInsets
var screenCornerRadius: CGFloat
var state: PrivateCallScreen.State
var remoteVideo: VideoSource?
init(size: CGSize, insets: UIEdgeInsets, screenCornerRadius: CGFloat, state: PrivateCallScreen.State, remoteVideo: VideoSource?) {
self.size = size
self.insets = insets
self.screenCornerRadius = screenCornerRadius
self.state = state
self.remoteVideo = remoteVideo
}
static func ==(lhs: Params, rhs: Params) -> Bool {
if lhs.size != rhs.size {
return false
}
if lhs.insets != rhs.insets {
return false
}
if lhs.screenCornerRadius != rhs.screenCornerRadius {
return false
}
if lhs.state != rhs.state {
return false
}
if lhs.remoteVideo !== rhs.remoteVideo {
return false
}
return true
}
}
private let blobLayer: CallBlobsLayer
private let avatarLayer: AvatarLayer
private let titleView: TextView
private var statusView: StatusView
private var emojiView: KeyEmojiView?
let blurContentsLayer: SimpleLayer
private var videoContainerView: VideoContainerView?
private var params: Params?
private var activeRemoteVideoSource: VideoSource?
private var waitingForFirstVideoFrameDisposable: Disposable?
override init(frame: CGRect) {
self.blobLayer = CallBlobsLayer()
self.avatarLayer = AvatarLayer()
self.titleView = TextView()
self.statusView = StatusView()
self.blurContentsLayer = SimpleLayer()
super.init(frame: frame)
self.layer.addSublayer(self.blobLayer)
self.layer.addSublayer(self.avatarLayer)
self.addSubview(self.titleView)
self.addSubview(self.statusView)
self.statusView.requestLayout = { [weak self] in
self?.update(transition: .immediate)
}
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.waitingForFirstVideoFrameDisposable?.dispose()
}
func update(
size: CGSize,
insets: UIEdgeInsets,
screenCornerRadius: CGFloat,
state: PrivateCallScreen.State,
remoteVideo: VideoSource?,
transition: Transition
) {
let params = Params(size: size, insets: insets, screenCornerRadius: screenCornerRadius, state: state, remoteVideo: remoteVideo)
if self.params == params {
return
}
if self.params?.remoteVideo !== params.remoteVideo {
self.waitingForFirstVideoFrameDisposable?.dispose()
if let remoteVideo = params.remoteVideo {
if remoteVideo.currentOutput != nil {
self.activeRemoteVideoSource = remoteVideo
} else {
let firstVideoFrameSignal = Signal<Never, NoError> { subscriber in
remoteVideo.updated = { [weak remoteVideo] in
guard let remoteVideo else {
subscriber.putCompletion()
return
}
if remoteVideo.currentOutput != nil {
subscriber.putCompletion()
}
}
return EmptyDisposable
}
var shouldUpdate = false
self.waitingForFirstVideoFrameDisposable = (firstVideoFrameSignal
|> timeout(1.0, queue: .mainQueue(), alternate: .complete())
|> deliverOnMainQueue).startStrict(completed: { [weak self] in
guard let self else {
return
}
self.activeRemoteVideoSource = remoteVideo
if shouldUpdate {
self.update(transition: .spring(duration: 0.3))
}
})
shouldUpdate = true
}
} else {
self.activeRemoteVideoSource = nil
}
}
self.params = params
self.updateInternal(params: params, transition: transition)
}
private func update(transition: Transition) {
guard let params = self.params else {
return
}
self.updateInternal(params: params, transition: transition)
}
private func updateInternal(params: Params, transition: Transition) {
if case let .active(activeState) = params.state.lifecycleState {
let emojiView: KeyEmojiView
var emojiTransition = transition
if let current = self.emojiView {
emojiView = current
} else {
emojiTransition = transition.withAnimation(.none)
emojiView = KeyEmojiView(emoji: activeState.emojiKey)
self.emojiView = emojiView
}
if emojiView.superview == nil {
self.addSubview(emojiView)
if !transition.animation.isImmediate {
emojiView.animateIn()
}
}
emojiTransition.setFrame(view: emojiView, frame: CGRect(origin: CGPoint(x: params.size.width - params.insets.right - 12.0 - emojiView.size.width, y: params.insets.top + 27.0), size: emojiView.size))
} else {
if let emojiView = self.emojiView {
self.emojiView = nil
emojiView.removeFromSuperview()
}
}
//self.phase += 3.0 / 60.0
//self.phase = self.phase.truncatingRemainder(dividingBy: 1.0)
//var avatarScale: CGFloat = 0.05 * sin(CGFloat(0.0) * CGFloat.pi)
//avatarScale *= 1.0 - self.videoDisplayFraction.value
let collapsedAvatarSize: CGFloat = 136.0
let blobSize: CGFloat = collapsedAvatarSize + 40.0
let collapsedAvatarFrame = CGRect(origin: CGPoint(x: floor((params.size.width - collapsedAvatarSize) * 0.5), y: 222.0), size: CGSize(width: collapsedAvatarSize, height: collapsedAvatarSize))
let expandedAvatarFrame = CGRect(origin: CGPoint(), size: params.size)
let avatarFrame = self.activeRemoteVideoSource != nil ? expandedAvatarFrame : collapsedAvatarFrame
let avatarCornerRadius = self.activeRemoteVideoSource != nil ? params.screenCornerRadius : collapsedAvatarSize * 0.5
if let activeRemoteVideoSource = self.activeRemoteVideoSource {
let videoContainerView: VideoContainerView
if let current = self.videoContainerView {
videoContainerView = current
} else {
videoContainerView = VideoContainerView(frame: CGRect())
self.videoContainerView = videoContainerView
self.insertSubview(videoContainerView, belowSubview: self.titleView)
self.blurContentsLayer.addSublayer(videoContainerView.blurredContainerLayer)
videoContainerView.layer.position = self.avatarLayer.position
videoContainerView.layer.bounds = self.avatarLayer.bounds
videoContainerView.alpha = 0.0
videoContainerView.blurredContainerLayer.position = self.avatarLayer.position
videoContainerView.blurredContainerLayer.bounds = self.avatarLayer.bounds
videoContainerView.blurredContainerLayer.opacity = 0.0
videoContainerView.update(size: self.avatarLayer.bounds.size, cornerRadius: self.avatarLayer.params?.cornerRadius ?? 0.0, isExpanded: false, transition: .immediate)
}
if videoContainerView.video !== activeRemoteVideoSource {
videoContainerView.video = activeRemoteVideoSource
}
transition.setPosition(view: videoContainerView, position: avatarFrame.center)
transition.setBounds(view: videoContainerView, bounds: CGRect(origin: CGPoint(), size: avatarFrame.size))
transition.setAlpha(view: videoContainerView, alpha: 1.0)
transition.setPosition(layer: videoContainerView.blurredContainerLayer, position: avatarFrame.center)
transition.setBounds(layer: videoContainerView.blurredContainerLayer, bounds: CGRect(origin: CGPoint(), size: avatarFrame.size))
transition.setAlpha(layer: videoContainerView.blurredContainerLayer, alpha: 1.0)
videoContainerView.update(size: avatarFrame.size, cornerRadius: avatarCornerRadius, isExpanded: self.activeRemoteVideoSource != nil, transition: transition)
} else {
if let videoContainerView = self.videoContainerView {
videoContainerView.update(size: avatarFrame.size, cornerRadius: avatarCornerRadius, isExpanded: self.activeRemoteVideoSource != nil, transition: transition)
transition.setPosition(layer: videoContainerView.blurredContainerLayer, position: avatarFrame.center)
transition.setBounds(layer: videoContainerView.blurredContainerLayer, bounds: CGRect(origin: CGPoint(), size: avatarFrame.size))
transition.setAlpha(layer: videoContainerView.blurredContainerLayer, alpha: 0.0)
transition.setPosition(view: videoContainerView, position: avatarFrame.center)
transition.setBounds(view: videoContainerView, bounds: CGRect(origin: CGPoint(), size: avatarFrame.size))
if videoContainerView.alpha != 0.0 {
transition.setAlpha(view: videoContainerView, alpha: 0.0, completion: { [weak self, weak videoContainerView] completed in
guard let self, let videoContainerView, completed else {
return
}
videoContainerView.removeFromSuperview()
videoContainerView.blurredContainerLayer.removeFromSuperlayer()
if self.videoContainerView === videoContainerView {
self.videoContainerView = nil
}
})
}
}
}
if self.avatarLayer.image !== params.state.avatarImage {
self.avatarLayer.image = params.state.avatarImage
}
transition.setPosition(layer: self.avatarLayer, position: avatarFrame.center)
transition.setBounds(layer: self.avatarLayer, bounds: CGRect(origin: CGPoint(), size: avatarFrame.size))
self.avatarLayer.update(size: collapsedAvatarFrame.size, isExpanded: self.activeRemoteVideoSource != nil, cornerRadius: avatarCornerRadius, transition: transition)
let blobFrame = CGRect(origin: CGPoint(x: floor(avatarFrame.midX - blobSize * 0.5), y: floor(avatarFrame.midY - blobSize * 0.5)), size: CGSize(width: blobSize, height: blobSize))
transition.setPosition(layer: self.blobLayer, position: CGPoint(x: blobFrame.midX, y: blobFrame.midY))
transition.setBounds(layer: self.blobLayer, bounds: CGRect(origin: CGPoint(), size: blobFrame.size))
//self.blobLayer.transform = CATransform3DMakeScale(1.0 + avatarScale * 2.0, 1.0 + avatarScale * 2.0, 1.0)
let titleSize = self.titleView.update(
string: params.state.name,
fontSize: self.activeRemoteVideoSource == nil ? 28.0 : 17.0,
fontWeight: self.activeRemoteVideoSource == nil ? 0.0 : 0.25,
color: .white,
constrainedWidth: params.size.width - 16.0 * 2.0,
transition: transition
)
let titleFrame = CGRect(
origin: CGPoint(
x: (params.size.width - titleSize.width) * 0.5,
y: self.activeRemoteVideoSource == nil ? collapsedAvatarFrame.maxY + 39.0 : params.insets.top + 17.0
),
size: titleSize
)
transition.setFrame(view: self.titleView, frame: titleFrame)
let statusState: StatusView.State
switch params.state.lifecycleState {
case .connecting:
statusState = .waiting(.requesting)
case .ringing:
statusState = .waiting(.ringing)
case .exchangingKeys:
statusState = .waiting(.generatingKeys)
case let .active(activeState):
statusState = .active(StatusView.ActiveState(startTimestamp: activeState.startTime, signalStrength: activeState.signalInfo.quality))
}
if let previousState = self.statusView.state, previousState.key != statusState.key {
let previousStatusView = self.statusView
if !transition.animation.isImmediate {
transition.setPosition(view: previousStatusView, position: CGPoint(x: previousStatusView.center.x, y: previousStatusView.center.y - 5.0))
transition.setScale(view: previousStatusView, scale: 0.5)
Transition.easeInOut(duration: 0.1).setAlpha(view: previousStatusView, alpha: 0.0, completion: { [weak previousStatusView] _ in
previousStatusView?.removeFromSuperview()
})
} else {
previousStatusView.removeFromSuperview()
}
self.statusView = StatusView()
self.insertSubview(self.statusView, aboveSubview: previousStatusView)
self.statusView.requestLayout = { [weak self] in
self?.update(transition: .immediate)
}
}
let statusSize = self.statusView.update(state: statusState, transition: .immediate)
let statusFrame = CGRect(
origin: CGPoint(
x: (params.size.width - statusSize.width) * 0.5,
y: titleFrame.maxY + (self.activeRemoteVideoSource != nil ? 0.0 : 4.0)
),
size: statusSize
)
if self.statusView.bounds.isEmpty {
self.statusView.frame = statusFrame
if !transition.animation.isImmediate {
transition.animatePosition(view: self.statusView, from: CGPoint(x: 0.0, y: 5.0), to: CGPoint(), additive: true)
transition.animateScale(view: self.statusView, from: 0.5, to: 1.0)
Transition.easeInOut(duration: 0.15).animateAlpha(view: self.statusView, from: 0.0, to: 1.0)
}
} else {
transition.setFrame(view: self.statusView, frame: statusFrame)
}
}
}