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WhatsNewView.swift
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WhatsNewView.swift
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import SwiftUI
// MARK: - WhatsNewView
/// A WhatsNewView
public struct WhatsNewView {
// MARK: Properties
/// The WhatsNew object
private let whatsNew: WhatsNew
/// The WhatsNewVersionStore
private let whatsNewVersionStore: WhatsNewVersionStore?
/// The WhatsNew Layout
private let layout: WhatsNew.Layout
/// The View that is presented by the SecondaryAction
@State
private var secondaryActionPresentedView: WhatsNew.SecondaryAction.Action.PresentedView?
/// The PresentationMode
@Environment(\.presentationMode)
private var presentationMode
// MARK: Initializer
/// Creates a new instance of `WhatsNewView`
/// - Parameters:
/// - whatsNew: The WhatsNew object
/// - versionStore: The optional WhatsNewVersionStore. Default value `nil`
/// - layout: The WhatsNew Layout. Default value `.default`
public init(
whatsNew: WhatsNew,
versionStore: WhatsNewVersionStore? = nil,
layout: WhatsNew.Layout = .default
) {
self.whatsNew = whatsNew
self.whatsNewVersionStore = versionStore
self.layout = layout
}
}
// MARK: - View
extension WhatsNewView: View {
/// The content and behavior of the view.
public var body: some View {
ZStack {
// Content ScrollView
ScrollView(
.vertical,
showsIndicators: self.layout.showsScrollViewIndicators
) {
// Content Stack
VStack(
spacing: self.layout.contentSpacing
) {
// Title
self.title
// Feature List
VStack(
alignment: .leading,
spacing: self.layout.featureListSpacing
) {
// Feature
ForEach(
self.whatsNew.features,
id: \.self,
content: self.feature
)
}
.modifier(FeaturesPadding())
.padding(self.layout.featureListPadding)
}
.padding(.horizontal)
.padding(self.layout.contentPadding)
// ScrollView bottom content inset
Color.clear
.padding(
.bottom,
self.layout.scrollViewBottomContentInset
)
}
#if os(iOS)
.alwaysBounceVertical(false)
#endif
// Footer
VStack {
Spacer()
self.footer
.modifier(FooterPadding())
#if os(iOS)
.background(
UIVisualEffectView
.Representable()
.edgesIgnoringSafeArea(.horizontal)
.padding(self.layout.footerVisualEffectViewPadding)
)
#endif
}
.edgesIgnoringSafeArea(.bottom)
}
.sheet(
item: self.$secondaryActionPresentedView,
content: { $0.view }
)
.onDisappear {
// Save presented WhatsNew Version, if available
self.whatsNewVersionStore?.save(
presentedVersion: self.whatsNew.version
)
}
}
}
// MARK: - Title
private extension WhatsNewView {
/// The Title View
var title: some View {
Text(
whatsNewText: self.whatsNew.title.text
)
.font(.largeTitle.bold())
.multilineTextAlignment(.center)
.fixedSize(horizontal: false, vertical: true)
}
}
// MARK: - Feature
private extension WhatsNewView {
/// The Feature View
/// - Parameter feature: A WhatsNew Feature
func feature(
_ feature: WhatsNew.Feature
) -> some View {
HStack(
alignment: self.layout.featureHorizontalAlignment,
spacing: self.layout.featureHorizontalSpacing
) {
feature
.image
.view()
.frame(width: self.layout.featureImageWidth)
VStack(
alignment: .leading,
spacing: self.layout.featureVerticalSpacing
) {
Text(
whatsNewText: feature.title
)
.font(.subheadline.weight(.semibold))
.foregroundColor(.primary)
.fixedSize(horizontal: false, vertical: true)
Text(
whatsNewText: feature.subtitle
)
.font(.subheadline)
.foregroundColor(.secondary)
.fixedSize(horizontal: false, vertical: true)
}
.multilineTextAlignment(.leading)
}.accessibilityElement(children: .combine)
}
}
// MARK: - Footer
private extension WhatsNewView {
/// The Footer View
var footer: some View {
VStack(
spacing: self.layout.footerActionSpacing
) {
// Check if a secondary action is available
if let secondaryAction = self.whatsNew.secondaryAction {
// Secondary Action Button
Button(
action: {
// Invoke HapticFeedback, if available
secondaryAction.hapticFeedback?()
// Switch on Action
switch secondaryAction.action {
case .present(let view):
// Set secondary action presented view
self.secondaryActionPresentedView = .init(view: view)
case .custom(let action):
// Invoke action with PresentationMode
action(self.presentationMode)
}
}
) {
Text(
whatsNewText: secondaryAction.title
)
}
#if os(macOS)
.buttonStyle(
PlainButtonStyle()
)
#endif
.foregroundColor(secondaryAction.foregroundColor)
}
// Primary Action Button
Button(
action: {
// Invoke HapticFeedback, if available
self.whatsNew.primaryAction.hapticFeedback?()
// Dismiss
self.presentationMode.wrappedValue.dismiss()
// Invoke on dismiss, if available
self.whatsNew.primaryAction.onDismiss?()
}
) {
Text(
whatsNewText: self.whatsNew.primaryAction.title
)
}
.buttonStyle(
PrimaryButtonStyle(
primaryAction: self.whatsNew.primaryAction,
layout: self.layout
)
)
#if os(macOS)
.keyboardShortcut(.defaultAction)
#endif
}
}
}