mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
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88 lines
2.9 KiB
Swift
88 lines
2.9 KiB
Swift
/*
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* Copyright (c) 2010-2023 Belledonne Communications SARL.
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*
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* This file is part of linphone-iphone
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import SwiftUI
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extension View {
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func halfSheet<Content: View>(
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showSheet: Binding<Bool>,
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@ViewBuilder content: @escaping () -> Content,
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onDismiss: @escaping () -> Void
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) -> some View {
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return self
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.background(
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HalfSheetHelper(sheetView: content(), showSheet: showSheet, onDismiss: onDismiss)
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)
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}
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}
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struct HalfSheetHelper<Content: View>: UIViewControllerRepresentable {
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var sheetView: Content
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let controller: UIViewController = UIViewController()
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@Binding var showSheet: Bool
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var onDismiss: () -> Void
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func makeCoordinator() -> Coordinator {
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Coordinator(parent: self)
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}
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func makeUIViewController(context: Context) -> UIViewController {
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controller.view.backgroundColor = .clear
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return controller
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}
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func updateUIViewController(_ uiViewController: UIViewController, context: Context) {
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if showSheet {
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let sheetController = CustomHostingController(rootView: sheetView)
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sheetController.presentationController?.delegate = context.coordinator
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uiViewController.present(sheetController, animated: true)
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}
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}
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final class Coordinator: NSObject, UISheetPresentationControllerDelegate {
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var parent: HalfSheetHelper
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init(parent: HalfSheetHelper) {
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self.parent = parent
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}
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func presentationControllerWillDismiss(_ presentationController: UIPresentationController) {
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parent.showSheet = false
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}
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}
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}
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final class CustomHostingController<Content: View>: UIHostingController<Content> {
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override func viewDidLoad() {
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view.backgroundColor = .clear
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if let presentationController = presentationController as? UISheetPresentationController {
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presentationController.detents = [
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.medium()
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]
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presentationController.prefersGrabberVisible = false
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presentationController.prefersScrollingExpandsWhenScrolledToEdge = false
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presentationController.preferredCornerRadius = 30
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}
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}
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}
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