yattee/Shared/Player/PlaybackBar.swift
2021-10-24 22:07:41 +02:00

173 lines
5.7 KiB
Swift

import Defaults
import Foundation
import SwiftUI
struct PlaybackBar: View {
@Environment(\.dismiss) private var dismiss
@Environment(\.inNavigationView) private var inNavigationView
@EnvironmentObject<InstancesModel> private var instances
@EnvironmentObject<PlayerModel> private var player
var body: some View {
HStack {
closeButton
if player.currentItem != nil {
Text(playbackStatus)
.foregroundColor(.gray)
.font(.caption2)
Spacer()
HStack(spacing: 4) {
if !player.lastSkipped.isNil {
restoreLastSkippedSegmentButton
}
if player.live {
Image(systemName: "dot.radiowaves.left.and.right")
} else if player.isLoadingAvailableStreams || player.isLoadingStream {
Image(systemName: "bolt.horizontal.fill")
}
streamControl
.disabled(player.isLoadingAvailableStreams)
.frame(alignment: .trailing)
.onChange(of: player.streamSelection) { selection in
guard !selection.isNil else {
return
}
player.upgradeToStream(selection!)
}
#if os(macOS)
.frame(maxWidth: 180)
#endif
}
.environment(\.colorScheme, .dark)
.transaction { t in t.animation = .none }
.foregroundColor(.gray)
.font(.caption2)
} else {
Spacer()
}
}
.frame(minWidth: 0, maxWidth: .infinity)
.padding(4)
.background(.black)
}
private var closeButton: some View {
Button {
dismiss()
} label: {
Label(
"Close",
systemImage: inNavigationView ? "chevron.backward.circle.fill" : "chevron.down.circle.fill"
)
.labelStyle(.iconOnly)
}
.accessibilityLabel(Text("Close"))
.buttonStyle(.borderless)
.foregroundColor(.gray)
.keyboardShortcut(.cancelAction)
}
private var playbackStatus: String {
if player.live {
return "LIVE"
}
guard player.time != nil, player.time!.isValid, !player.currentVideo.isNil else {
return "loading..."
}
let remainingSeconds = player.currentVideo!.length - player.time!.seconds
if remainingSeconds < 60 {
return "less than a minute"
}
let timeFinishAt = Date.now.addingTimeInterval(remainingSeconds)
let timeFinishAtString = timeFinishAt.formatted(date: .omitted, time: .shortened)
return "ends at \(timeFinishAtString)"
}
private var restoreLastSkippedSegmentButton: some View {
HStack(spacing: 4) {
Button {
player.restoreLastSkippedSegment()
} label: {
HStack(spacing: 4) {
Image(systemName: "arrow.uturn.left.circle")
Text(player.lastSkipped!.title())
}
}
.buttonStyle(.plain)
Text("")
}
}
private var streamControl: some View {
#if os(macOS)
Picker("", selection: $player.streamSelection) {
ForEach(instances.all) { instance in
let instanceStreams = availableStreamsForInstance(instance)
if !instanceStreams.values.isEmpty {
let kinds = Array(instanceStreams.keys).sorted { $0 < $1 }
Section(header: Text(instance.longDescription)) {
ForEach(kinds, id: \.self) { key in
ForEach(instanceStreams[key] ?? []) { stream in
Text(stream.quality).tag(Stream?.some(stream))
}
if kinds.count > 1 {
Divider()
}
}
}
}
}
}
#else
Menu {
ForEach(instances.all) { instance in
let instanceStreams = availableStreamsForInstance(instance)
if !instanceStreams.values.isEmpty {
let kinds = Array(instanceStreams.keys).sorted { $0 < $1 }
Picker("", selection: $player.streamSelection) {
ForEach(kinds, id: \.self) { key in
ForEach(instanceStreams[key] ?? []) { stream in
Text(stream.description).tag(Stream?.some(stream))
}
if kinds.count > 1 {
Divider()
}
}
}
}
}
} label: {
Text(player.streamSelection?.quality ?? "")
}
#endif
}
private func availableStreamsForInstance(_ instance: Instance) -> [Stream.Kind: [Stream]] {
let streams = player.availableStreamsSorted.filter { $0.instance == instance }
return Dictionary(grouping: streams, by: \.kind!)
}
}
struct PlaybackBar_Previews: PreviewProvider {
static var previews: some View {
PlaybackBar()
.injectFixtureEnvironmentObjects()
}
}