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264
iosApp/WidgetExtension/HomeWidgetExample.swift
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264
iosApp/WidgetExtension/HomeWidgetExample.swift
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import SwiftUI
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import WidgetKit
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private let widgetGroupId = "group.top.zhushenwudi.llmp"
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private var lastLyricLine1 = ""
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private var lastLyricLine2 = ""
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struct Provider: TimelineProvider {
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func placeholder(in context: Context) -> ExampleEntry {
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ExampleEntry(
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date: Date(),
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widgetFamily: context.family,
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songName: "",
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songArtist: "",
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isFavorite: false,
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isPlaying: false,
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playText: "",
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lyricLine1: "",
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lyricLine2: "",
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currentLine: 1,
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isShutdown: true,
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bgColor: "255,255,255"
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)
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}
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func getSnapshot(in context: Context, completion: @escaping (ExampleEntry) -> Void) {
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completion(readEntry(family: context.family))
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}
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func getTimeline(in context: Context, completion: @escaping (Timeline<Entry>) -> Void) {
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completion(Timeline(entries: [readEntry(family: context.family)], policy: .atEnd))
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}
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private func readEntry(family: WidgetFamily) -> ExampleEntry {
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let data = UserDefaults(suiteName: widgetGroupId)
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let songName = data?.string(forKey: "songName") ?? ""
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let songArtist = data?.string(forKey: "songArtist") ?? ""
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let isFavorite = data?.bool(forKey: "songFavorite") ?? false
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let isPlaying = data?.bool(forKey: "isPlaying") ?? false
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let playText = data?.string(forKey: "playText") ?? "播放中,已暂停"
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if let line1 = data?.string(forKey: "lyricLine1") { lastLyricLine1 = line1 }
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if let line2 = data?.string(forKey: "lyricLine2") { lastLyricLine2 = line2 }
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let currentLine = data?.integer(forKey: "currentLine") ?? 1
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let isShutdown = data?.bool(forKey: "isShutdown") ?? true
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let bgColor = data?.string(forKey: "bgColor") ?? "255,255,255"
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return ExampleEntry(
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date: Date(),
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widgetFamily: family,
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songName: songName,
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songArtist: songArtist,
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isFavorite: isFavorite,
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isPlaying: isPlaying,
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playText: playText,
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lyricLine1: lastLyricLine1,
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lyricLine2: lastLyricLine2,
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currentLine: currentLine,
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isShutdown: isShutdown,
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bgColor: bgColor
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)
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}
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}
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struct ExampleEntry: TimelineEntry {
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let date: Date
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let widgetFamily: WidgetFamily
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let songName: String
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let songArtist: String
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let isFavorite: Bool
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let isPlaying: Bool
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let playText: String
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let lyricLine1: String
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let lyricLine2: String
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let currentLine: Int
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let isShutdown: Bool
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let bgColor: String
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}
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struct HomeWidgetExampleEntryView: View {
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var entry: Provider.Entry
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let isWhiteBackground: Bool
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var body: some View {
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GeometryReader { geometry in
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let cdSize: CGFloat = 140
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let coverSize = cdSize * 0.55
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let coverAndCdDiffSize = (cdSize - coverSize) / 2
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let playButtonAndCdDiffSize = (cdSize - 34) / 2
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let offsetX = calcCdOffsetX(entry: entry, geometry: geometry)
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let offsetY = calcCdOffsetY(entry: entry, geometry: geometry)
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let lyricMaxWidth = geometry.size.width - cdSize
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let bgColor = calcBgColor(entry: entry)
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let playText = calcPlayText(entry: entry)
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ZStack {
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if isWhiteBackground {
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Rectangle()
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.fill(
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AngularGradient(
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gradient: Gradient(colors: [
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Color(red: 229/255, green: 233/255, blue: 235/255),
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Color(red: 219/255, green: 223/255, blue: 225/255),
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bgColor,
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]),
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center: .topLeading,
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angle: .degrees(225)
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)
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)
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} else {
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Rectangle()
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.fill(Color(red: 49/255, green: 49/255, blue: 49/255))
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}
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ZStack(alignment: .topTrailing) {
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Image(isWhiteBackground ? "cd_white" : "cd_black")
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.resizable()
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.scaledToFit()
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.frame(width: cdSize, height: cdSize)
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.offset(x: offsetX, y: offsetY)
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if let image = loadImageFromFile() {
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Image(uiImage: image)
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.resizable()
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.scaledToFit()
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.frame(width: coverSize, height: coverSize)
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.clipShape(Circle())
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.offset(x: -coverAndCdDiffSize + offsetX, y: coverAndCdDiffSize + offsetY)
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}
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if #available(iOSApplicationExtension 17, *) {
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Button(intent: BackgroundIntent(url: URL(string: "homeWidgetExample://toggle_play"))) {
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Image(systemName: entry.isPlaying ? "pause.fill" : "play.fill")
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.resizable()
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.scaledToFit()
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.frame(width: 18, height: 18)
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.foregroundColor(.white)
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}
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.buttonStyle(.plain)
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.padding(8)
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.offset(x: -playButtonAndCdDiffSize + offsetX, y: playButtonAndCdDiffSize + offsetY)
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}
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}
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VStack(alignment: .leading) {
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Image("logo")
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.resizable()
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.scaledToFit()
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.frame(width: 30, height: 30)
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.padding(.bottom, 5)
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if entry.widgetFamily == .systemMedium {
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Text(entry.lyricLine1)
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.font(.system(size: 15))
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.foregroundColor(lyricColor(for: entry.currentLine, active: 1))
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.frame(maxWidth: entry.isPlaying ? .infinity : lyricMaxWidth, alignment: .leading)
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Text(entry.lyricLine2)
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.font(.system(size: 15))
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.foregroundColor(lyricColor(for: entry.currentLine, active: 2))
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.frame(maxWidth: entry.isPlaying ? .infinity : lyricMaxWidth, alignment: .leading)
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}
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Spacer()
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Text(playText).font(.system(size: 10)).bold().foregroundColor(.gray)
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Text(entry.songName).font(.system(size: 12)).bold()
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.foregroundColor(isWhiteBackground ? .black : .white)
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Text(entry.songArtist).font(.system(size: 12, weight: .light)).foregroundColor(.gray)
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}
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.padding()
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VStack {
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Spacer()
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if #available(iOSApplicationExtension 17, *) {
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Button(intent: BackgroundIntent(url: URL(string: "homeWidgetExample://toggle_love"))) {
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Image(entry.isFavorite ? "FavoriteClick" : "FavoriteUnClick")
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.resizable()
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.scaledToFit()
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.frame(width: 34, height: 34)
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}
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.buttonStyle(.plain)
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.frame(maxWidth: .infinity, alignment: .bottomTrailing)
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.padding(8)
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}
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}
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if entry.isShutdown {
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Link(destination: URL(string: "llmp://")!) { Color.clear }
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}
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}
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}
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}
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private func lyricColor(for currentLine: Int, active: Int) -> Color {
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let highlighted = currentLine == -1 || currentLine == active
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if highlighted {
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return isWhiteBackground ? .black : .white
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}
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return Color(red: 0.7, green: 0.7, blue: 0.7, opacity: 0.7)
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}
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func calcCdOffsetX(entry: ExampleEntry, geometry: GeometryProxy) -> CGFloat {
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switch entry.widgetFamily {
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case .systemSmall: return (geometry.size.width - 70) / 2
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case .systemMedium: return (geometry.size.width - 152) / 2 + (entry.isPlaying ? 40 : 0)
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default: return 0
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}
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}
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func calcCdOffsetY(entry: ExampleEntry, geometry: GeometryProxy) -> CGFloat {
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switch entry.widgetFamily {
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case .systemSmall: return (70 - geometry.size.height) / 2
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case .systemMedium: return (152 - geometry.size.height) / 2 - (entry.isPlaying ? 40 : 0)
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default: return 0
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}
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}
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func calcBgColor(entry: ExampleEntry) -> Color {
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let parts = entry.bgColor.split(separator: ",").compactMap { Double($0) }
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let rgb = parts.count >= 3 ? parts : [230, 215, 210]
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return Color(red: rgb[0]/255, green: rgb[1]/255, blue: rgb[2]/255)
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}
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func loadImageFromFile() -> UIImage? {
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guard let fileURL = FileManager.default
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.containerURL(forSecurityApplicationGroupIdentifier: widgetGroupId)?
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.appendingPathComponent("sharedImage.png") else { return nil }
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return UIImage(contentsOfFile: fileURL.path)
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}
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func calcPlayText(entry: ExampleEntry) -> String {
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let parts = entry.playText.split(separator: ",").map(String.init)
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let playing = parts.first ?? "播放中"
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let paused = parts.count > 1 ? parts[1] : "已暂停"
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return entry.isPlaying ? playing : paused
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}
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}
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struct HomeWidgetExampleWhite: Widget {
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let kind = "HomeWidgetExampleWhite"
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var body: some WidgetConfiguration {
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StaticConfiguration(kind: kind, provider: Provider()) { entry in
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HomeWidgetExampleEntryView(entry: entry, isWhiteBackground: true)
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.containerBackground(.fill.tertiary, for: .widget)
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}
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.configurationDisplayName("LLMP音乐组件")
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.contentMarginsDisabled()
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.supportedFamilies([.systemSmall, .systemMedium])
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.description("LoveLive!媒体播放器")
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}
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}
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struct HomeWidgetExampleBlack: Widget {
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let kind = "HomeWidgetExampleBlack"
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var body: some WidgetConfiguration {
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StaticConfiguration(kind: kind, provider: Provider()) { entry in
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HomeWidgetExampleEntryView(entry: entry, isWhiteBackground: false)
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.containerBackground(.fill.tertiary, for: .widget)
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}
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.configurationDisplayName("LLMP音乐组件")
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.contentMarginsDisabled()
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.supportedFamilies([.systemSmall, .systemMedium])
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.description("LoveLive!媒体播放器")
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}
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}
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