61 lines
1.9 KiB
Swift
61 lines
1.9 KiB
Swift
//
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// DebugMenu.swift
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// secant-testnet
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//
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// Created by Lukáš Korba on 15.04.2022.
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//
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import SwiftUI
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// TODO: [#273] Make sure this code will never be in the production (app store) build (https://github.com/zcash/secant-ios-wallet/issues/273)
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// swiftlint:disable:next private_over_fileprivate strict_fileprivate
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fileprivate struct DebugMenuModifier: ViewModifier {
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enum DragState {
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case inactive
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case pressing
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case dragging(translation: CGSize)
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}
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@GestureState var dragState = DragState.inactive
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var minimumDuration: Double
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let action: () -> Void
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func body(content: Content) -> some View {
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let longPressDrag = LongPressGesture(minimumDuration: minimumDuration)
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.sequenced(before: DragGesture())
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.updating($dragState) { value, state, _ in
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switch value {
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// Long press begins.
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case .first(true):
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state = .pressing
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// Long press confirmed, dragging may begin.
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case .second(true, let drag):
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state = .dragging(translation: drag?.translation ?? .zero)
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// Dragging ended or the long press cancelled.
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default:
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state = .inactive
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}
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}
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.onEnded { value in
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guard case .second(true, let drag?) = value else { return }
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if drag.translation.height > 0 {
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action()
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}
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}
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return content.gesture(longPressDrag)
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}
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}
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extension View {
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func accessDebugMenuWithHiddenGesture(minimumDuration: Double = 0.75, action: @escaping () -> Void ) -> some View {
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self.modifier(
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DebugMenuModifier(minimumDuration: minimumDuration) {
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action()
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}
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)
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}
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}
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