View+viewExtractor.swift (1987B)
1 /* MIT License 2 * Copyright (c) 3 * https://stackoverflow.com/questions/57132417/swiftui-scrollview-is-not-able-to-disable-vertical-bounce 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in all 13 * copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 */ 23 /** 24 * @author Marc Stibane 25 */ 26 27 import SwiftUI 28 29 extension View { 30 @ViewBuilder 31 func viewExtractor(result: @escaping (UIView) -> ()) -> some View { 32 self 33 .background(ViewExtractorHelper(result: result)) 34 .compositingGroup() 35 } 36 } 37 38 fileprivate struct ViewExtractorHelper: UIViewRepresentable { 39 var result: (UIView) -> () 40 41 func makeUIView(context: Context) -> UIView { 42 let view = UIView(frame: .zero) 43 view.backgroundColor = .clear 44 DispatchQueue.main.async { 45 if let superView = view.superview?.superview?.subviews.last?.subviews.first { 46 result(superView) 47 } 48 } 49 return view 50 } 51 func updateUIView(_ uiView: UIView, context: Context) { 52 53 } 54 }