89 lines
2.5 KiB
Swift
89 lines
2.5 KiB
Swift
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import SwiftUI
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/// A view that drives a recording session.
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///
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/// The view shows a main button that starts, pauses, and resumes a recording, with a label above it displaying the elapsed recording time.
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/// While paused, a send button lets the user submit the recording for processing, showing a progress indicator until the processing finishes.
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///
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/// All state and control behavior lives in the view's ``Model``; the view itself only renders it and forwards button presses and state changes.
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public struct RecordingView: View {
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// MARK: Properties
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/// The model that owns the recording state and drives the view's controls.
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@State private var model: Model
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// MARK: Initializers
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/// Creates a recording view in the not-recording state.
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public init() {
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self.model = .init()
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}
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// MARK: Body
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/// The content of the view: the timer label above the main and send buttons, with every change of the model's state forwarded back
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/// to ``Model/updatedState(shouldRestartTimer:)``.
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public var body: some View {
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VStack(
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spacing: Constant.Spacing.stack
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) {
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if model.shouldShowTimer {
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Text(model.timerText)
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}
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HStack(
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spacing: Constant.Spacing.stack
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) {
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Button {
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model.pressedMain()
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} label: {
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Image(model.iconMain)
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}
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.disabled(model.shouldDisableMain)
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if model.shouldShowSend {
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Button {
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model.pressedSend()
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} label: {
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if let icon = model.iconSend {
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Image(icon)
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} else {
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ProgressView()
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}
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}
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.disabled(model.isProcessing)
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}
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}
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}
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.onChange(
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of: model.state,
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initial: false
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) { oldValue, _ in
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model.updatedState(
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shouldRestartTimer: oldValue == .notRecording
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)
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}
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}
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}
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// MARK: - Constants
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/// The constant values used across the view.
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private enum Constant {
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/// The spacing constants.
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enum Spacing {
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/// The spacing between the elements of a stack.
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static let stack: CGFloat = 16
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}
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}
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// MARK: - Previews
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#Preview(
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"Recording view"
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) {
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RecordingView()
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}
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