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143 lines
5.4 KiB
143 lines
5.4 KiB
//
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// PlaybackView.swift
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// MusicPlayer Watch App
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//
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// Created by BillSun on 3/18/23.
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//
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import SwiftUI
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import UIKit
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class AppearTimer : ObservableObject {
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@Published var appear = false
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var timeout = 0
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let lock : NSLock = NSLock()
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func appear(time: Int = 5, _appear: Bool = false) {
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self.lock.lock()
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self.timeout = self.timeout + time
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self.appear = timeout > 0
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DispatchQueue.main.asyncAfter(deadline: .now().advanced(by: .seconds(time)),
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execute: {
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self.lock.lock()
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self.timeout -= time
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self.appear = self.timeout > 0
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self.lock.unlock()
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}
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)
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self.lock.unlock()
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}
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}
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struct PlaybackView: View {
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//var music : TrackInfo? = nil
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var parent : ContentView? = nil
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//@ObservedObject var timeout = Timeout(timeout: 5)
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var title = ""
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@State var playing = true
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@State private var appearSelf = 3
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@ObservedObject var appearTimer = AppearTimer()
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@ObservedObject var trackInfo : TrackInfo = TrackInfo()
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var body: some View {
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if trackInfo.m != nil {
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GeometryReader { geo in
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ZStack {
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if(trackInfo.art == nil) {
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Image(systemName: "music.note")
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.resizable()
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.scaledToFit()
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.foregroundColor(.white)
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.frame(width: geo.size.width*0.84, height: geo.size.height*0.84)
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.padding(.leading, geo.size.width*0.08)
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.padding(.top, geo.size.height*0.08)
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}
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else {
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trackInfo.art!.resizable().scaledToFill()
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}
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if (appearTimer.appear)
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{
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VStack {
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HStack {
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Button {
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if ( parent!.player.timeControlStatus == .playing ) {
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parent!.player.pause()
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self.playing = false
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} else {
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parent!.player.audiovisualBackgroundPlaybackPolicy = .continuesIfPossible
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parent!.player.play()
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self.playing = true
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}
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} label: {
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(
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self.playing ?
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Image(systemName: "stop") :
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Image(systemName: "play")
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)
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.resizable()
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.scaledToFit()
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.frame(width: geo.size.width/5.5)
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}.background(Color(red: 0,green: 0,blue: 0,opacity: 0.2))
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.frame(width: geo.size.width/2.5)
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.cornerRadius(90, antialiased: true)
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.foregroundColor(.white)
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.opacity(1)
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.buttonStyle(.plain)
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Button {
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let curr = parent!.player.currentItem
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parent!.player.advanceToNextItem()
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curr!.seek(to: .zero)
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parent!.player.play()
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self.playing = true
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} label : {
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Image(systemName: "chevron.forward")
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.resizable()
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.scaledToFit()
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.frame(width: geo.size.width/7, height: geo.size.height/7)
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}.background(Color.clear)
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.clipShape(Circle())
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.foregroundColor(.white)
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.frame(width: geo.size.width/4, height: geo.size.height/4)
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.padding(0)
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.opacity(1)
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.buttonStyle(.plain)
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}
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}
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}
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}.onTapGesture {
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appearTimer.appear()
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}
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}.navigationBarBackButtonHidden(false)
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.toolbar(.visible, for: .navigationBar)
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.onAppear() {
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appearTimer.appear(time: 3, _appear: true)
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}
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}
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}
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init() { }
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init(parent:ContentView, music: TrackInfo? = nil) {
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if music != nil && music!.art != nil {
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self.parent = parent
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self.playing = parent.player.timeControlStatus == .playing
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}
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}
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mutating func update (music: TrackInfo) {
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self.trackInfo.from(other: music)
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self.title = music.s
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self.playing = self.parent!.player.timeControlStatus == .playing
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}
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}
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struct PlaybackView_Previews: PreviewProvider {
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static var previews: some View {
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PlaybackView()
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}
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}
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