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import SwiftUI
struct TransfersView: View {
@Environment(\.appState) private var appState
var body: some View {
VStack(spacing: 0) {
if appState.transfers.isEmpty {
emptyState
} else {
transfersList
}
}
.frame(minWidth: 500, minHeight: 200)
.navigationTitle("Transfers")
.toolbar {
ToolbarItem(placement: .primaryAction) {
Button {
appState.cancelAllTransfers()
} label: {
Label("Cancel All", systemImage: "xmark.circle")
}
.disabled(appState.transfers.isEmpty)
}
}
}
// MARK: - Empty State
private var emptyState: some View {
ContentUnavailableView {
Label("No Transfers", systemImage: "arrow.up.arrow.down")
} description: {
Text("Your Hotline file transfers will appear here")
}
}
// MARK: - Transfers List
private var transfersList: some View {
List {
ForEach(appState.transfers) { transfer in
TransferRow(transfer: transfer)
}
}
.listStyle(.inset(alternatesRowBackgrounds: true))
}
}
// MARK: - Transfer Row
struct TransferRow: View {
@Bindable var transfer: TransferInfo
var body: some View {
VStack(alignment: .leading, spacing: 8) {
// File name and server
HStack {
VStack(alignment: .leading, spacing: 2) {
Text(transfer.title)
.font(.system(.body, design: .default, weight: .medium))
if let serverName = transfer.serverName {
Text(serverName)
.font(.caption)
.foregroundStyle(.secondary)
}
}
Spacer()
// Cancel button
Button {
AppState.shared.cancelTransfer(id: transfer.id)
} label: {
Image(systemName: "xmark.circle.fill")
.foregroundStyle(.secondary)
}
.buttonStyle(.plain)
.help("Cancel download")
}
// Progress bar and status
VStack(alignment: .leading, spacing: 4) {
if transfer.failed {
Label("Failed", systemImage: "exclamationmark.triangle.fill")
.font(.caption)
.foregroundStyle(.red)
} else if transfer.completed {
Label("Complete", systemImage: "checkmark.circle.fill")
.font(.caption)
.foregroundStyle(.green)
} else {
// Progress bar
ProgressView(value: transfer.progress, total: 1.0)
.progressViewStyle(.linear)
// Progress info
HStack(spacing: 8) {
// Progress percentage
Text("\(Int(transfer.progress * 100))%")
.font(.caption)
.foregroundStyle(.secondary)
.monospacedDigit()
// File size
Text(formatSize(transfer.size))
.font(.caption)
.foregroundStyle(.secondary)
// Speed
if let speed = transfer.speed {
Text(formatSpeed(speed))
.font(.caption)
.foregroundStyle(.secondary)
.monospacedDigit()
}
// Time remaining
if let timeRemaining = transfer.timeRemaining {
Text(formatTimeRemaining(timeRemaining))
.font(.caption)
.foregroundStyle(.secondary)
.monospacedDigit()
}
}
}
}
}
.padding(.vertical, 4)
}
// MARK: - Formatting
private func formatSize(_ bytes: UInt) -> String {
let formatter = ByteCountFormatter()
formatter.countStyle = .file
formatter.allowedUnits = [.useKB, .useMB, .useGB]
return formatter.string(fromByteCount: Int64(bytes))
}
private func formatSpeed(_ bytesPerSecond: Double) -> String {
let formatter = ByteCountFormatter()
formatter.countStyle = .file
formatter.allowedUnits = [.useKB, .useMB, .useGB]
return "\(formatter.string(fromByteCount: Int64(bytesPerSecond)))/s"
}
private func formatTimeRemaining(_ seconds: TimeInterval) -> String {
if seconds < 60 {
return "\(Int(seconds))s"
} else if seconds < 3600 {
let minutes = Int(seconds / 60)
let secs = Int(seconds.truncatingRemainder(dividingBy: 60))
return "\(minutes)m \(secs)s"
} else {
let hours = Int(seconds / 3600)
let minutes = Int((seconds.truncatingRemainder(dividingBy: 3600)) / 60)
return "\(hours)h \(minutes)m"
}
}
}
// MARK: - Preview
#Preview {
TransfersView()
.environment(AppState.shared)
}
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