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