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Fix backward seek

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This commit is contained in:
Ilya Laktyushin 2020-12-29 22:07:09 +04:00
parent c63e193f28
commit ec5b568d15
1 changed files with 29 additions and 15 deletions
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44
submodules/TelegramUI/Sources/OverlayPlayerControlsNode.swift
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@ -146,7 +146,9 @@ final class OverlayPlayerControlsNode: ASDisplayNode {
private var scrubbingDisposable: Disposable?
private var leftDurationLabelPushed = false
private var rightDurationLabelPushed = false
private var currentDuration: Double = 0.0
private var currentPosition: Double = 0.0
private var validLayout: (width: CGFloat, leftInset: CGFloat, rightInset: CGFloat, maxHeight: CGFloat)?
@ -309,7 +311,7 @@ final class OverlayPlayerControlsNode: ASDisplayNode {
strongSelf.shareNode.isHidden = false
var displayData: SharedMediaPlaybackDisplayData?
if let (_, valueOrLoading, _) = value, case let .state(value) = valueOrLoading {
let isPaused: Bool
var isPaused: Bool
switch value.status.status {
case .playing:
isPaused = false
@ -318,6 +320,9 @@ final class OverlayPlayerControlsNode: ASDisplayNode {
case let .buffering(_, whilePlaying, _, _):
isPaused = !whilePlaying
}
if strongSelf.wasPlaying {
isPaused = false
}
if strongSelf.currentIsPaused != isPaused {
strongSelf.currentIsPaused = isPaused
@ -368,6 +373,8 @@ final class OverlayPlayerControlsNode: ASDisplayNode {
}
strongSelf.rateButton.isHidden = rateButtonIsHidden
strongSelf.currentPosition = value.status.timestamp
} else {
strongSelf.playPauseButton.isEnabled = false
strongSelf.backwardButton.isEnabled = false
@ -440,7 +447,7 @@ final class OverlayPlayerControlsNode: ASDisplayNode {
self.albumArtNode.view.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(self.albumArtTap(_:))))
let backwardLongPressGestureRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(self.seekForwardLongPress(_:)))
let backwardLongPressGestureRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(self.seekBackwardLongPress(_:)))
backwardLongPressGestureRecognizer.minimumPressDuration = 0.3
self.backwardButton.view.addGestureRecognizer(backwardLongPressGestureRecognizer)
@ -449,34 +456,41 @@ final class OverlayPlayerControlsNode: ASDisplayNode {
self.forwardButton.view.addGestureRecognizer(forwardLongPressGestureRecognizer)
}
private var wasPlaying = false
@objc private func seekBackwardLongPress(_ gestureRecognizer: UILongPressGestureRecognizer) {
switch gestureRecognizer.state {
case .began:
self.wasPlaying = !(self.currentIsPaused ?? true)
self.backwardButton.isPressing = true
self.previousRate = self.currentRate
self.seekRate = .x4
self.control?(.setBaseRate(self.seekRate))
let seekTimer = SwiftSignalKit.Timer(timeout: 2.0, repeat: true, completion: { [weak self] in
self.control?(.playback(.pause))
var time: Double = 0.0
let seekTimer = SwiftSignalKit.Timer(timeout: 0.1, repeat: true, completion: { [weak self] in
if let strongSelf = self {
if strongSelf.seekRate == .x4 {
strongSelf.seekRate = .x8
} else if strongSelf.seekRate == .x8 {
strongSelf.seekRate = .x16
}
strongSelf.control?(.setBaseRate(strongSelf.seekRate))
if strongSelf.seekRate == .x16 {
strongSelf.seekTimer?.invalidate()
strongSelf.seekTimer = nil
var delta: Double = 0.8
if time >= 4.0 {
delta = 3.2
} else if time >= 2.0 {
delta = 1.6
}
time += 0.1
let newPosition = strongSelf.currentPosition - delta
strongSelf.currentPosition = newPosition
strongSelf.control?(.seek(newPosition))
}
}, queue: Queue.mainQueue())
self.seekTimer = seekTimer
seekTimer.start()
case .ended, .cancelled:
self.backwardButton.isPressing = false
self.control?(.setBaseRate(self.previousRate ?? .x1))
self.seekTimer?.invalidate()
self.seekTimer = nil
if self.wasPlaying {
self.control?(.playback(.play))
self.wasPlaying = false
}
default:
break
}