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168 changes: 168 additions & 0 deletions
168
Sources/Turbocharger/Sources/View/PlatformViewRepresentable.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| // | ||
| // Copyright (c) Nathan Tannar | ||
| // | ||
|
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| import SwiftUI | ||
| import Engine | ||
|
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| #if !os(watchOS) | ||
|
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| /// A protocol for defining a `NSViewRepresentable`/`UIViewRepresentable` | ||
| /// that has a backwards compatible `sizeThatFits` | ||
| public protocol PlatformViewRepresentable: DynamicProperty, View where Body == Never { | ||
|
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| #if os(macOS) | ||
| associatedtype PlatformView: NSView | ||
| #else | ||
| associatedtype PlatformView: UIView | ||
| #endif | ||
|
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| @MainActor(unsafe) func makeView(context: Context) -> PlatformView | ||
| @MainActor(unsafe) func updateView(_ view: PlatformView, context: Context) | ||
| @MainActor(unsafe) func sizeThatFits(_ proposal: ProposedSize, view: PlatformView) -> CGSize? | ||
| @MainActor(unsafe) static func dismantleView(_ view: PlatformView, coordinator: Coordinator) | ||
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| associatedtype Coordinator = Void | ||
| @MainActor(unsafe) func makeCoordinator() -> Coordinator | ||
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| typealias Context = _PlatformViewRepresentableBody<Self>.Context | ||
| } | ||
|
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| extension PlatformViewRepresentable { | ||
| public var body: Never { | ||
| bodyError() | ||
| } | ||
|
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| private var content: _PlatformViewRepresentableBody<Self> { | ||
| _PlatformViewRepresentableBody(representable: self) | ||
| } | ||
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| public static func _makeView( | ||
| view: _GraphValue<Self>, | ||
| inputs: _ViewInputs | ||
| ) -> _ViewOutputs { | ||
| _PlatformViewRepresentableBody<Self>._makeView(view: view[\.content], inputs: inputs) | ||
| } | ||
|
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| public static func _makeViewList( | ||
| view: _GraphValue<Self>, | ||
| inputs: _ViewListInputs | ||
| ) -> _ViewListOutputs { | ||
| _PlatformViewRepresentableBody<Self>._makeViewList(view: view[\.content], inputs: inputs) | ||
| } | ||
|
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| @available(iOS 14.0, macOS 11.0, tvOS 14.0, *) | ||
| public static func _viewListCount( | ||
| inputs: _ViewListCountInputs | ||
| ) -> Int? { | ||
| _PlatformViewRepresentableBody<Self>._viewListCount(inputs: inputs) | ||
| } | ||
| } | ||
|
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| #if os(macOS) | ||
| public struct _PlatformViewRepresentableBody< | ||
| Representable: PlatformViewRepresentable | ||
| >: NSViewRepresentable { | ||
|
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| var representable: Representable | ||
|
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| public func makeNSView( | ||
| context: Context | ||
| ) -> Representable.PlatformView { | ||
| representable.makeView(context: context) | ||
| } | ||
|
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| public func updateNSView( | ||
| _ nsView: Representable.PlatformView, | ||
| context: Context | ||
| ) { | ||
| representable.updateView(nsView, context: context) | ||
| } | ||
|
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| @available(macOS 13.0, iOS 16.0, tvOS 16.0, *) | ||
| public func sizeThatFits( | ||
| _ proposal: ProposedViewSize, | ||
| nsView: Representable.PlatformView, | ||
| context: Context | ||
| ) -> CGSize? { | ||
| representable.sizeThatFits(ProposedSize(proposal), view: nsView) | ||
| } | ||
|
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| public func _overrideSizeThatFits( | ||
| _ size: inout CGSize, | ||
| in proposedSize: _ProposedSize, | ||
| nsView: Representable.PlatformView | ||
| ) { | ||
| if #available(macOS 13.0, iOS 16.0, tvOS 16.0, *) { | ||
| // Already handled | ||
| } else if let sizeThatFits = representable.sizeThatFits(ProposedSize(proposedSize), view: nsView) { | ||
| size = sizeThatFits | ||
| } | ||
| } | ||
|
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| public static func dismantleNSView( | ||
| _ nsView: Representable.PlatformView, | ||
| coordinator: Coordinator | ||
| ) { | ||
| Representable.dismantleView(nsView, coordinator: coordinator) | ||
| } | ||
|
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| public func makeCoordinator() -> Representable.Coordinator { | ||
| representable.makeCoordinator() | ||
| } | ||
| } | ||
| #else | ||
| public struct _PlatformViewRepresentableBody< | ||
| Representable: PlatformViewRepresentable | ||
| >: UIViewRepresentable { | ||
|
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| var representable: Representable | ||
|
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| public func makeUIView( | ||
| context: Context | ||
| ) -> Representable.PlatformView { | ||
| representable.makeView(context: context) | ||
| } | ||
|
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| public func updateUIView( | ||
| _ uiView: Representable.PlatformView, | ||
| context: Context | ||
| ) { | ||
| representable.updateView(uiView, context: context) | ||
| } | ||
|
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| @available(iOS 16.0, tvOS 16.0, watchOS 9.0, *) | ||
| public func sizeThatFits( | ||
| _ proposal: ProposedViewSize, | ||
| uiView: Representable.PlatformView, | ||
| context: Context | ||
| ) -> CGSize? { | ||
| representable.sizeThatFits(ProposedSize(proposal), view: uiView) | ||
| } | ||
|
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| public func _overrideSizeThatFits( | ||
| _ size: inout CGSize, | ||
| in proposedSize: _ProposedSize, | ||
| uiView: Representable.PlatformView | ||
| ) { | ||
| if #available(iOS 16.0, tvOS 16.0, watchOS 9.0, *) { | ||
| // Already handled | ||
| } else if let sizeThatFits = representable.sizeThatFits(ProposedSize(proposedSize), view: uiView) { | ||
| size = sizeThatFits | ||
| } | ||
| } | ||
|
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| public static func dismantleUIView( | ||
| _ uiView: Representable.PlatformView, | ||
| coordinator: Coordinator | ||
| ) { | ||
| Representable.dismantleView(uiView, coordinator: coordinator) | ||
| } | ||
|
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| public func makeCoordinator() -> Representable.Coordinator { | ||
| representable.makeCoordinator() | ||
| } | ||
| } | ||
| #endif | ||
|
|
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| #endif // !os(watchOS) |
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53 changes: 53 additions & 0 deletions
53
Sources/Turbocharger/Sources/ViewModifier/OnAppearAndChange.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // | ||
| // Copyright (c) Nathan Tannar | ||
| // | ||
|
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| import SwiftUI | ||
| import Engine | ||
|
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| @available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, *) | ||
| @frozen | ||
| public struct OnAppearAndChangeModifier< | ||
| Value: Equatable | ||
| >: VersionedViewModifier { | ||
|
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| @usableFromInline | ||
| var value: Value | ||
|
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| @usableFromInline | ||
| var action: (Value) -> Void | ||
|
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| @inlinable | ||
| public init(value: Value, action: @escaping (Value) -> Void) { | ||
| self.value = value | ||
| self.action = action | ||
| } | ||
|
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| @available(iOS 17.0, macOS 14.0, tvOS 17.0, watchOS 10.0, visionOS 1.0, *) | ||
| public func v5Body(content: Content) -> some View { | ||
| content | ||
| .onChange(of: value, initial: true) { _, newValue in | ||
| action(newValue) | ||
| } | ||
| } | ||
|
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| #if !os(visionOS) | ||
| @available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, *) | ||
| public func v2Body(content: Content) -> some View { | ||
| content | ||
| .onAppear { action(value) } | ||
| .onChange(of: value, perform: action) | ||
| } | ||
| #endif | ||
| } | ||
|
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| extension View { | ||
|
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| @available(iOS 14.0, macOS 11.0, tvOS 14.0, watchOS 7.0, *) | ||
| public func onAppearAndChange<V: Equatable>( | ||
| of value: V, | ||
| perform action: @escaping (V) -> Void | ||
| ) -> some View { | ||
| modifier(OnAppearAndChangeModifier(value: value, action: action)) | ||
| } | ||
| } |
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