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3950cac085
* New LICENSE-COMMERCIAL file * Apply dual licenses: AGPL + Element Commercial to file headers * Update README with dual licensing
74 lines
2.2 KiB
Swift
74 lines
2.2 KiB
Swift
//
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// Copyright 2023, 2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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@testable import ElementX
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import Foundation
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import SwiftUI
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/// A mock of the SwiftUI `LayoutSubviews` struct
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struct LayoutSubviewsMock: Equatable, RandomAccessCollection {
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var subviews: [LayoutSubviewMock]
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/// A type that contains a subsequence of proxy values.
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typealias SubSequence = LayoutSubviewsMock
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/// A type that contains a proxy value.
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typealias Element = LayoutSubviewMock
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/// A type that you can use to index proxy values.
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typealias Index = Int
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/// The index of the first subview.
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var startIndex: Int {
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subviews.startIndex
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}
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/// An index that's one higher than the last subview.
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var endIndex: Int {
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subviews.endIndex
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}
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/// Gets the subview proxy at a specified index.
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subscript(index: Int) -> LayoutSubviewsMock.Element {
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subviews[index]
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}
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/// Gets the subview proxies in the specified range.
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subscript(bounds: Range<Int>) -> LayoutSubviewsMock {
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LayoutSubviewsMock(subviews: Array(subviews[bounds]))
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}
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}
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/// A mock of the SwiftUI `LayoutSubview` struct
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struct LayoutSubviewMock: FlowLayoutSubview, Equatable {
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var size: CGSize
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var layoutValues = [String: Any]()
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var placedPositionCallback: (CGRect) -> Void
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subscript<K>(key: K.Type) -> K.Value where K: LayoutValueKey {
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guard let value = layoutValues[String(describing: key.self)] as? K.Value else {
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fatalError("There is no value for the provided layout key.")
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}
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return value
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}
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func sizeThatFits(_ proposal: ProposedViewSize) -> CGSize {
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size
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}
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func place(at position: CGPoint, anchor: UnitPoint, proposal: ProposedViewSize) {
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let rect = CGRect(origin: position, size: CGSize(width: proposal.width ?? 0, height: proposal.height ?? 0))
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placedPositionCallback(rect)
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}
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static func == (lhs: LayoutSubviewMock, rhs: LayoutSubviewMock) -> Bool {
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lhs.size == rhs.size
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}
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}
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extension LayoutSubviewsMock: FlowLayoutSubviews { }
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