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Increase playback speed during a long press gesture (#746)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| // | ||
| // Copyright (c) SRG SSR. All rights reserved. | ||
| // | ||
| // License information is available from the LICENSE file. | ||
| // | ||
|
|
||
| import PillarboxPlayer | ||
| import SwiftUI | ||
|
|
||
| private struct HighSpeedCapsule: View { | ||
| let speed: Float | ||
|
|
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| var body: some View { | ||
| Text("\(speed, specifier: "%g×") \(Image(systemName: "forward.fill"))") | ||
| .font(.footnote) | ||
| .bold() | ||
| .padding(.horizontal, 10) | ||
| .padding(.vertical, 5) | ||
| .foregroundStyle(.white) | ||
| .background(.black.opacity(0.7)) | ||
| .clipShape(Capsule()) | ||
| } | ||
| } | ||
|
|
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| private struct HighSpeedGestureView<Content>: View where Content: View { | ||
| @GestureState private var isLongPressing = false | ||
| @State private var timer: Timer? | ||
|
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| let content: () -> Content | ||
| let action: (_ finished: Bool) -> Void | ||
|
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| var body: some View { | ||
| content() | ||
| .simultaneousGesture(longPressGesture()) | ||
| .onChange(of: isLongPressing) { isPressing in | ||
| timer?.invalidate() | ||
| if !isPressing { | ||
| action(true) | ||
| } | ||
| else { | ||
| timer = Timer.scheduledTimer(withTimeInterval: 1, repeats: false) { _ in | ||
| action(false) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| private func longPressGesture() -> some Gesture { | ||
| LongPressGesture(minimumDuration: .infinity, maximumDistance: .infinity) | ||
| .updating($isLongPressing) { value, state, _ in | ||
| state = value | ||
| } | ||
| } | ||
| } | ||
|
|
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| private struct HighSpeedView<Content>: View where Content: View { | ||
| private let highSpeed: Float = 2 | ||
| @State private var speed: Float? | ||
|
|
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| private var displaysCapsule: Bool { | ||
| speed != nil && speed != highSpeed && player.playbackSpeedRange.contains(highSpeed) && player.playbackState == .playing | ||
| } | ||
|
|
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| @ObservedObject var player: Player | ||
| let content: () -> Content | ||
|
|
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| var body: some View { | ||
| HighSpeedGestureView(content: content) { finished in | ||
| if !finished { | ||
| speed = player.effectivePlaybackSpeed | ||
| player.setDesiredPlaybackSpeed(highSpeed) | ||
| } | ||
| else if let speed { | ||
| player.setDesiredPlaybackSpeed(speed) | ||
| self.speed = nil | ||
| } | ||
| } | ||
| .overlay(alignment: .top) { | ||
| HighSpeedCapsule(speed: highSpeed) | ||
| .opacity(displaysCapsule ? 1 : 0) | ||
| .animation(.easeInOut(duration: 0.1), value: displaysCapsule) | ||
| .padding() | ||
| } | ||
| } | ||
| } | ||
|
|
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| extension View { | ||
| func supportsHighSpeed(for player: Player) -> some View { | ||
| HighSpeedView(player: player) { | ||
| self | ||
| } | ||
| } | ||
| } |