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97 changes: 97 additions & 0 deletions
97
Sources/BetterSafariView/SafariView/SafariViewPresentationModifier.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| import SwiftUI | ||
|
|
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| struct SafariViewPresentationModifier: ViewModifier { | ||
|
|
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| @Binding var isPresented: Bool | ||
| var onDismiss: (() -> Void)? = nil | ||
| var representationBuilder: () -> SafariView | ||
|
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| private var item: Binding<Bool?> { | ||
| .init( | ||
| get: { self.isPresented ? true : nil }, | ||
| set: { self.isPresented = ($0 != nil) } | ||
| ) | ||
| } | ||
|
|
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| // Converts `() -> Void` closure to `(Bool) -> Void` | ||
| private func itemRepresentationBuilder(bool: Bool) -> SafariView { | ||
| return representationBuilder() | ||
| } | ||
|
|
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| func body(content: Content) -> some View { | ||
| content.background( | ||
| SafariViewPresenter( | ||
| item: item, | ||
| onDismiss: onDismiss, | ||
| representationBuilder: itemRepresentationBuilder | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
|
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| struct ItemSafariViewPresentationModifier<Item: Identifiable>: ViewModifier { | ||
|
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| @Binding var item: Item? | ||
| var onDismiss: (() -> Void)? = nil | ||
| var representationBuilder: (Item) -> SafariView | ||
|
|
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| func body(content: Content) -> some View { | ||
| content.background( | ||
| SafariViewPresenter( | ||
| item: $item, | ||
| onDismiss: onDismiss, | ||
| representationBuilder: representationBuilder | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
|
|
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| public extension View { | ||
|
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| /// Presents a Safari view when a given condition is true. | ||
| /// | ||
| /// - Parameters: | ||
| /// - isPresented: A binding to whether the Safari view is presented. | ||
| /// - onDismiss: A closure executed when the Safari view dismisses. | ||
| /// - content: A closure returning the `SafariView` to present. | ||
| /// | ||
| func safariView( | ||
| isPresented: Binding<Bool>, | ||
| onDismiss: (() -> Void)? = nil, | ||
| content representationBuilder: @escaping () -> SafariView | ||
| ) -> some View { | ||
| self.modifier( | ||
| SafariViewPresentationModifier( | ||
| isPresented: isPresented, | ||
| onDismiss: onDismiss, | ||
| representationBuilder: representationBuilder | ||
| ) | ||
| ) | ||
| } | ||
|
|
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| /// Presents a Safari view using the given item as a data source | ||
| /// for the `SafariView` to present. | ||
| /// | ||
| /// - Parameters: | ||
| /// - item: A binding to an optional source of truth for the Safari view. | ||
| /// When representing a non-`nil` item, the system uses `content` to | ||
| /// create a `SafariView` of the item. | ||
| /// If the identity changes, the system dismisses a | ||
| /// currently-presented Safari view and replace it by a new Safari view. | ||
| /// - onDismiss: A closure executed when the Safari view dismisses. | ||
| /// - content: A closure returning the `SafariView` to present. | ||
| /// | ||
| func safariView<Item: Identifiable>( | ||
| item: Binding<Item?>, | ||
| onDismiss: (() -> Void)? = nil, | ||
| content representationBuilder: @escaping (Item) -> SafariView | ||
| ) -> some View { | ||
| self.modifier( | ||
| ItemSafariViewPresentationModifier( | ||
| item: item, | ||
| onDismiss: onDismiss, | ||
| representationBuilder: representationBuilder | ||
| ) | ||
| ) | ||
| } | ||
| } |
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