131 lines
4.9 KiB
Swift
131 lines
4.9 KiB
Swift
import ActivityKit
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import SwiftUI
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import WidgetKit
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// MARK: - Widget configuration
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struct DownloadLiveActivityWidget: Widget {
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var body: some WidgetConfiguration {
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ActivityConfiguration(for: DownloadActivityAttributes.self) { context in
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// Lock Screen / Notification Center banner
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DownloadLockScreenView(context: context)
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.activityBackgroundTint(Color(.systemBackground).opacity(0.6))
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} dynamicIsland: { context in
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DynamicIsland {
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// Expanded region shown when the user long-presses the island
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DynamicIslandExpandedRegion(.leading) {
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Image(systemName: "arrow.down.circle.fill")
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.foregroundStyle(.blue)
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.font(.title2)
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}
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DynamicIslandExpandedRegion(.center) {
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Text(context.attributes.itemTitle)
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.font(.caption.bold())
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.lineLimit(1)
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.minimumScaleFactor(0.8)
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}
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DynamicIslandExpandedRegion(.bottom) {
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VStack(spacing: 4) {
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ProgressView(value: context.state.progress)
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.tint(.blue)
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HStack {
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Text(bytesFormatted(context.state.bytesDownloaded))
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.font(.caption2)
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.foregroundStyle(.secondary)
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Spacer()
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Text(percentFormatted(context.state.progress))
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.font(.caption2.bold())
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.monospacedDigit()
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}
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}
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}
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} compactLeading: {
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Image(systemName: "arrow.down.circle.fill")
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.foregroundStyle(.blue)
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.font(.caption)
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} compactTrailing: {
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Text(percentFormatted(context.state.progress))
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.font(.caption2.bold())
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.monospacedDigit()
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} minimal: {
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Image(systemName: "arrow.down.circle.fill")
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.foregroundStyle(.blue)
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.font(.caption2)
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}
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}
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}
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}
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// MARK: - Lock Screen view
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struct DownloadLockScreenView: View {
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let context: ActivityViewContext<DownloadActivityAttributes>
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var body: some View {
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VStack(alignment: .leading, spacing: 8) {
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HStack(spacing: 8) {
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Image(systemName: "arrow.down.circle.fill")
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.foregroundStyle(.blue)
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Text(context.attributes.itemTitle)
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.font(.subheadline.bold())
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.lineLimit(1)
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Spacer()
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Text(percentFormatted(context.state.progress))
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.font(.subheadline.bold())
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.monospacedDigit()
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}
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ProgressView(value: context.state.progress)
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.tint(.blue)
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Text(bytesFormatted(context.state.bytesDownloaded) + " heruntergeladen")
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.font(.caption)
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.foregroundStyle(.secondary)
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}
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.padding()
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}
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}
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// MARK: - Helpers
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private func percentFormatted(_ fraction: Double) -> String {
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String(format: "%.0f%%", fraction * 100)
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}
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private func bytesFormatted(_ bytes: Int64) -> String {
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let mb = Double(bytes) / (1_024 * 1_024)
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if mb >= 1 { return String(format: "%.1f MB", mb) }
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let kb = Double(bytes) / 1_024
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if kb >= 1 { return String(format: "%.0f KB", kb) }
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return "\(bytes) B"
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}
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// MARK: - Previews
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private let previewAttributes = DownloadActivityAttributes(itemTitle: "The Name of the Wind")
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#Preview("Lock Screen", as: .content, using: previewAttributes) {
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DownloadLiveActivityWidget()
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} contentStates: {
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DownloadActivityAttributes.ContentState(progress: 0.35, bytesDownloaded: 52_428_800)
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DownloadActivityAttributes.ContentState(progress: 0.9, bytesDownloaded: 135_266_304)
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}
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#Preview("Dynamic Island Expanded", as: .dynamicIsland(.expanded), using: previewAttributes) {
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DownloadLiveActivityWidget()
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} contentStates: {
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DownloadActivityAttributes.ContentState(progress: 0.35, bytesDownloaded: 52_428_800)
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DownloadActivityAttributes.ContentState(progress: 0.9, bytesDownloaded: 135_266_304)
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}
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#Preview("Dynamic Island Compact", as: .dynamicIsland(.compact), using: previewAttributes) {
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DownloadLiveActivityWidget()
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} contentStates: {
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DownloadActivityAttributes.ContentState(progress: 0.35, bytesDownloaded: 52_428_800)
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DownloadActivityAttributes.ContentState(progress: 0.9, bytesDownloaded: 135_266_304)
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}
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#Preview("Dynamic Island Minimal", as: .dynamicIsland(.minimal), using: previewAttributes) {
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DownloadLiveActivityWidget()
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} contentStates: {
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DownloadActivityAttributes.ContentState(progress: 0.35, bytesDownloaded: 52_428_800)
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}
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