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import SwiftUI
/// A pill-shaped button that displays update status and provides access to update actions.
struct UpdatePill: View {
/// The update view model that provides the current state and information
@ObservedObject var model: UpdateViewModel
/// Whether the update popover is currently visible
@State private var showPopover = false
/// Task for auto-dismissing the "No Updates" state
@State private var resetTask: Task<Void, Never>?
/// The font used for the pill text
private let textFont = NSFont.systemFont(ofSize: 11, weight: .medium)
var body: some View {
if !model.state.isIdle {
pillButton
.popover(isPresented: $showPopover, arrowEdge: .bottom) {
UpdatePopoverView(model: model)
}
.transition(.opacity.combined(with: .scale(scale: 0.95)))
.onChange(of: model.state) { newState in
resetTask?.cancel()
if case .notFound = newState {
resetTask = Task { [weak model] in
try? await Task.sleep(for: .seconds(5))
guard !Task.isCancelled, case .notFound? = model?.state else { return }
model?.state = .idle
}
} else {
resetTask = nil
}
}
}
}
/// The pill-shaped button view that displays the update badge and text
@ViewBuilder
private var pillButton: some View {
Button(action: {
if case .notFound = model.state {
model.state = .idle
} else {
showPopover.toggle()
}
}) {
HStack(spacing: 6) {
UpdateBadge(model: model)
.frame(width: 14, height: 14)
Text(model.text)
.font(Font(textFont))
.lineLimit(1)
.frame(width: textWidth)
}
.padding(.horizontal, 8)
.padding(.vertical, 4)
.background(
Capsule()
.fill(model.backgroundColor)
)
.foregroundColor(model.foregroundColor)
.contentShape(Capsule())
}
.buttonStyle(.plain)
.help(model.text)
}
/// Calculated width for the text to prevent resizing during progress updates
private var textWidth: CGFloat? {
let attributes: [NSAttributedString.Key: Any] = [.font: textFont]
let size = (model.maxWidthText as NSString).size(withAttributes: attributes)
return size.width
}
}
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