54 lines
1.6 KiB
Swift
54 lines
1.6 KiB
Swift
//
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// Freeze.swift
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// Meta
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//
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// Created by david-swift on 29.06.24.
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//
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/// State whether to update the child views or not.
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struct Freeze: ConvenienceWidget {
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/// Whether not to update the child view.
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var freeze: Bool
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/// The wrapped view.
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var content: AnyView
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/// The view storage.
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/// - Parameters:
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/// - modifiers: Modify views before being updated.
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/// - type: The type of the widgets.
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func container<WidgetType>(modifiers: [(any AnyView) -> any AnyView], type: WidgetType.Type) -> ViewStorage {
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.init(nil, content: [.mainContent: [content.storage(modifiers: modifiers, type: type)]])
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}
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/// Update the stored content.
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/// - Parameters:
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/// - storage: The storage to update.
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/// - modifiers: Modify views before being updated
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/// - updateProperties: Whether to update the view's properties.
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/// - type: The type of the widgets.
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func update<WidgetType>(
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_ storage: ViewStorage,
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modifiers: [(any AnyView) -> any AnyView],
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updateProperties: Bool,
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type: WidgetType.Type
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) {
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guard !freeze, let storage = storage.content[.mainContent]?.first else {
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return
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}
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content.updateStorage(storage, modifiers: modifiers, updateProperties: updateProperties, type: type)
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}
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}
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extension AnyView {
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/// Prevent a view from being updated.
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/// - Parameter freeze: Whether to freeze the view.
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/// - Returns: A view.
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public func freeze(_ freeze: Bool = true) -> AnyView {
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Freeze(freeze: freeze, content: self)
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}
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}
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