Files
Swiftgram/submodules/TelegramUI/Components/VideoPlaybackControlsComponent/Sources/VideoPlaybackControlsComponent.swift
2026-01-25 00:31:18 +08:00

333 lines
16 KiB
Swift

import Foundation
import UIKit
import Display
import TelegramPresentationData
import ComponentFlow
import GlassBackgroundComponent
import ManagedAnimationNode
import MultilineTextComponent
import AppBundle
public final class VideoPlaybackControlsComponent: Component {
public struct LayoutParams: Equatable {
public var sideButtonSize: CGFloat
public var centerButtonSize: CGFloat
public var spacing: CGFloat
public init(sideButtonSize: CGFloat, centerButtonSize: CGFloat, spacing: CGFloat) {
self.sideButtonSize = sideButtonSize
self.centerButtonSize = centerButtonSize
self.spacing = spacing
}
}
let layoutParams: LayoutParams
let isVisible: Bool
let isPlaying: Bool
let displaySeekControls: Bool
let togglePlayback: () -> Void
let seek: (Bool) -> Void
public init(
layoutParams: LayoutParams,
isVisible: Bool,
isPlaying: Bool,
displaySeekControls: Bool,
togglePlayback: @escaping () -> Void,
seek: @escaping (Bool) -> Void
) {
self.layoutParams = layoutParams
self.isVisible = isVisible
self.isPlaying = isPlaying
self.displaySeekControls = displaySeekControls
self.togglePlayback = togglePlayback
self.seek = seek
}
public static func ==(lhs: VideoPlaybackControlsComponent, rhs: VideoPlaybackControlsComponent) -> Bool {
if lhs.layoutParams != rhs.layoutParams {
return false
}
if lhs.isVisible != rhs.isVisible {
return false
}
if lhs.isPlaying != rhs.isPlaying {
return false
}
if lhs.displaySeekControls != rhs.displaySeekControls {
return false
}
return true
}
public final class View: UIView {
private let backgroundContainer: GlassBackgroundContainerView
private let leftButtonBackgroundView: GlassBackgroundView
private let leftIconView: PlaybackIconView
private let rightButtonBackgroundView: GlassBackgroundView
private let rightIconView: PlaybackIconView
private let centerButtonBackgroundView: GlassBackgroundView
private var centerButtonIconNode: PlayPauseIconNode?
private var component: VideoPlaybackControlsComponent?
private weak var state: EmptyComponentState?
public override init(frame: CGRect) {
self.backgroundContainer = GlassBackgroundContainerView()
self.leftButtonBackgroundView = GlassBackgroundView()
self.leftIconView = PlaybackIconView(isForward: false)
self.leftIconView.isUserInteractionEnabled = false
self.leftButtonBackgroundView.contentView.addSubview(self.leftIconView)
self.rightButtonBackgroundView = GlassBackgroundView()
self.rightIconView = PlaybackIconView(isForward: true)
self.rightIconView.isUserInteractionEnabled = false
self.rightButtonBackgroundView.contentView.addSubview(self.rightIconView)
self.centerButtonBackgroundView = GlassBackgroundView()
super.init(frame: frame)
self.addSubview(self.backgroundContainer)
self.backgroundContainer.contentView.addSubview(self.leftButtonBackgroundView)
self.backgroundContainer.contentView.addSubview(self.rightButtonBackgroundView)
self.backgroundContainer.contentView.addSubview(self.centerButtonBackgroundView)
self.leftButtonBackgroundView.contentView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.onLeftTapGesture(_:))))
self.rightButtonBackgroundView.contentView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.onRightTapGesture(_:))))
self.centerButtonBackgroundView.contentView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.onTapGesture(_:))))
}
required public init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
}
@objc private func onLeftTapGesture(_ gesture: UITapGestureRecognizer) {
guard let component = self.component else {
return
}
if case .ended = gesture.state {
component.seek(false)
}
}
@objc private func onRightTapGesture(_ gesture: UITapGestureRecognizer) {
guard let component = self.component else {
return
}
if case .ended = gesture.state {
component.seek(true)
}
}
@objc private func onTapGesture(_ gesture: UITapGestureRecognizer) {
guard let component = self.component else {
return
}
if case .ended = gesture.state {
component.togglePlayback()
}
}
func update(component: VideoPlaybackControlsComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: ComponentTransition) -> CGSize {
let isVisibleChanged = self.component?.isVisible != component.isVisible
self.component = component
self.state = state
self.isUserInteractionEnabled = component.isVisible
let size = CGSize(width: component.layoutParams.sideButtonSize * 2.0 + component.layoutParams.centerButtonSize + component.layoutParams.spacing * 2.0, height: component.layoutParams.centerButtonSize)
let leftButtonFrame = CGRect(origin: CGPoint(x: 0.0, y: floorToScreenPixels((size.height - component.layoutParams.sideButtonSize) * 0.5)), size: CGSize(width: component.layoutParams.sideButtonSize, height: component.layoutParams.sideButtonSize))
let centerButtonFrame = CGRect(origin: CGPoint(x: component.layoutParams.sideButtonSize + component.layoutParams.spacing, y: floorToScreenPixels((size.height - component.layoutParams.centerButtonSize) * 0.5)), size: CGSize(width: component.layoutParams.centerButtonSize, height: component.layoutParams.centerButtonSize))
let rightButtonFrame = CGRect(origin: CGPoint(x: size.width - component.layoutParams.sideButtonSize, y: floorToScreenPixels((size.height - component.layoutParams.sideButtonSize) * 0.5)), size: CGSize(width: component.layoutParams.sideButtonSize, height: component.layoutParams.sideButtonSize))
if isVisibleChanged && !transition.animation.isImmediate {
self.backgroundContainer.isHidden = true
self.backgroundContainer.isHidden = false
}
transition.setFrame(view: self.backgroundContainer, frame: CGRect(origin: CGPoint(), size: size))
self.backgroundContainer.update(size: size, isDark: true, transition: transition)
let areSideButtonsVisible = component.isVisible && component.displaySeekControls
let buttonsTintColor: GlassBackgroundView.TintColor = .init(kind: .custom(style: .clear, color: UIColor(white: 0.0, alpha: 0.2)))
transition.setFrame(view: self.leftButtonBackgroundView, frame: leftButtonFrame)
self.leftButtonBackgroundView.update(size: leftButtonFrame.size, cornerRadius: leftButtonFrame.height * 0.5, isDark: true, tintColor: buttonsTintColor, isInteractive: true, isVisible: areSideButtonsVisible, transition: transition)
transition.setFrame(view: self.leftIconView, frame: CGRect(origin: CGPoint(), size: leftButtonFrame.size))
self.leftIconView.update(size: leftButtonFrame.size)
transition.setAlpha(view: self.leftIconView, alpha: areSideButtonsVisible ? 1.0 : 0.0)
transition.setBlur(layer: self.leftIconView.layer, radius: areSideButtonsVisible ? 0.0 : 10.0)
transition.setFrame(view: self.rightButtonBackgroundView, frame: rightButtonFrame)
self.rightButtonBackgroundView.update(size: rightButtonFrame.size, cornerRadius: rightButtonFrame.height * 0.5, isDark: true, tintColor: buttonsTintColor, isInteractive: true, isVisible: areSideButtonsVisible, transition: transition)
transition.setFrame(view: self.rightIconView, frame: CGRect(origin: CGPoint(), size: rightButtonFrame.size))
self.rightIconView.update(size: rightButtonFrame.size)
transition.setAlpha(view: self.rightIconView, alpha: areSideButtonsVisible ? 1.0 : 0.0)
transition.setBlur(layer: self.rightIconView.layer, radius: areSideButtonsVisible ? 0.0 : 10.0)
transition.setFrame(view: self.centerButtonBackgroundView, frame: centerButtonFrame)
self.centerButtonBackgroundView.update(size: centerButtonFrame.size, cornerRadius: centerButtonFrame.height * 0.5, isDark: true, tintColor: buttonsTintColor, isInteractive: true, isVisible: component.isVisible, transition: transition)
let centerButtonIconNode: PlayPauseIconNode
let centerIconFactor: CGFloat = 0.9
let centerButtonIconSize = CGSize(width: centerButtonFrame.width * centerIconFactor, height: centerButtonFrame.height * centerIconFactor)
if let current = self.centerButtonIconNode, current.size == centerButtonIconSize {
centerButtonIconNode = current
} else {
centerButtonIconNode = PlayPauseIconNode(size: centerButtonIconSize)
if let current = self.centerButtonIconNode {
centerButtonIconNode.frame = current.frame
current.view.removeFromSuperview()
}
self.centerButtonIconNode = centerButtonIconNode
centerButtonIconNode.isUserInteractionEnabled = false
self.centerButtonBackgroundView.contentView.addSubview(centerButtonIconNode.view)
centerButtonIconNode.enqueueState(component.isPlaying ? .pause : .play, animated: false)
}
transition.setFrame(view: centerButtonIconNode.view, frame: centerButtonIconSize.centered(in: CGRect(origin: CGPoint(), size: centerButtonFrame.size)).offsetBy(dx: component.isPlaying ? 0.0 : 5.0, dy: 0.0))
centerButtonIconNode.enqueueState(component.isPlaying ? .pause : .play, animated: !transition.animation.isImmediate && component.isVisible && !isVisibleChanged)
transition.setAlpha(view: centerButtonIconNode.view, alpha: component.isVisible ? 1.0 : 0.0)
transition.setBlur(layer: centerButtonIconNode.layer, radius: component.isVisible ? 0.0 : 10.0)
return size
}
}
public func makeView() -> View {
return View(frame: CGRect())
}
public func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: ComponentTransition) -> CGSize {
return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
}
}
private enum PlayPauseIconNodeState: Equatable {
case play
case pause
}
private final class PlayPauseIconNode: ManagedAnimationNode {
let size: CGSize
private let duration: Double = 0.35
private var iconState: PlayPauseIconNodeState = .pause
override init(size: CGSize) {
self.size = size
super.init(size: size)
self.trackTo(item: ManagedAnimationItem(source: .local("anim_playpause"), frames: .range(startFrame: 41, endFrame: 41), duration: 0.01))
}
func enqueueState(_ state: PlayPauseIconNodeState, animated: Bool) {
guard self.iconState != state else {
return
}
let previousState = self.iconState
self.iconState = state
switch previousState {
case .pause:
switch state {
case .play:
if animated {
self.trackTo(item: ManagedAnimationItem(source: .local("anim_playpause"), frames: .range(startFrame: 41, endFrame: 83), duration: self.duration))
} else {
self.trackTo(item: ManagedAnimationItem(source: .local("anim_playpause"), frames: .range(startFrame: 0, endFrame: 0), duration: 0.01))
}
case .pause:
break
}
case .play:
switch state {
case .pause:
if animated {
self.trackTo(item: ManagedAnimationItem(source: .local("anim_playpause"), frames: .range(startFrame: 0, endFrame: 41), duration: self.duration))
} else {
self.trackTo(item: ManagedAnimationItem(source: .local("anim_playpause"), frames: .range(startFrame: 41, endFrame: 41), duration: 0.01))
}
case .play:
break
}
}
}
}
private let circleDiameter: CGFloat = 80.0
private final class PlaybackIconView: HighlightTrackingButton {
let backgroundIconView: UIImageView
let text = ComponentView<Empty>()
let isForward: Bool
var isPressing = false {
didSet {
if self.isPressing != oldValue && !self.isPressing {
self.highligthedChanged(false)
}
}
}
init(isForward: Bool) {
self.isForward = isForward
self.backgroundIconView = UIImageView(image: UIImage(bundleImageName: isForward ? "Media Gallery/ForwardButton" : "Media Gallery/BackwardButton"))
super.init(frame: CGRect())
self.addSubview(self.backgroundIconView)
self.highligthedChanged = { [weak self] highlighted in
guard let self else {
return
}
if highlighted {
let transition: ContainedViewLayoutTransition = .animated(duration: 0.18, curve: .linear)
let angle = CGFloat.pi / 4.0 + 0.226
transition.updateTransformRotation(view: self.backgroundIconView, angle: self.isForward ? angle : -angle)
} else if !self.isPressing {
let transition: ContainedViewLayoutTransition = .animated(duration: 0.2, curve: .linear)
transition.updateTransformRotation(view: self.backgroundIconView, angle: 0.0)
}
}
}
required public init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func update(size: CGSize) {
if let image = self.backgroundIconView.image {
let factor: CGFloat = 1.4
self.backgroundIconView.frame = CGSize(width: floor(image.size.width * factor), height: floor(image.size.height * factor)).centered(in: CGRect(origin: CGPoint(), size: size))
}
let textSize = self.text.update(
transition: .immediate,
component: AnyComponent(MultilineTextComponent(
text: .plain(NSAttributedString(string: "15", font: Font.with(size: 16.0, design: .round, weight: .semibold, traits: []), textColor: .white))
)),
environment: {},
containerSize: size
)
if let textView = self.text.view {
if textView.superview == nil {
self.addSubview(textView)
}
textView.frame = CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - textSize.width) / 2.0), y: floorToScreenPixels((size.height - textSize.height) / 2.0) + UIScreenPixel), size: textSize)
}
}
}