114 lines
4.0 KiB
Swift
114 lines
4.0 KiB
Swift
//
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// Swiftfin is subject to the terms of the Mozilla Public
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// License, v2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at https://mozilla.org/MPL/2.0/.
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//
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// Copyright (c) 2025 Jellyfin & Jellyfin Contributors
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//
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import SwiftUI
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struct NavigationBarDrawerView<Content: View, Drawer: View>: UIViewControllerRepresentable {
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private let buttons: () -> Drawer
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private let content: () -> Content
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init(
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@ViewBuilder buttons: @escaping () -> Drawer,
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@ViewBuilder content: @escaping () -> Content
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) {
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self.buttons = buttons
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self.content = content
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}
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func makeUIViewController(context: Context) -> UINavigationBarDrawerHostingController<Content, Drawer> {
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UINavigationBarDrawerHostingController<Content, Drawer>(buttons: buttons, content: content)
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}
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func updateUIViewController(_ uiViewController: UINavigationBarDrawerHostingController<Content, Drawer>, context: Context) {}
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}
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class UINavigationBarDrawerHostingController<Content: View, Drawer: View>: UIHostingController<Content> {
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private let drawer: () -> Drawer
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private let content: () -> Content
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// TODO: see if we can get the height instead from the view passed in
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private let drawerHeight: CGFloat = 36
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private lazy var blurView: UIVisualEffectView = {
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let blurView = UIVisualEffectView(effect: UIBlurEffect(style: .systemThinMaterial))
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blurView.translatesAutoresizingMaskIntoConstraints = false
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return blurView
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}()
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private lazy var drawerButtonsView: UIHostingController<Drawer> = {
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let drawerButtonsView = UIHostingController(rootView: drawer())
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drawerButtonsView.view.translatesAutoresizingMaskIntoConstraints = false
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drawerButtonsView.view.backgroundColor = nil
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return drawerButtonsView
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}()
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init(
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buttons: @escaping () -> Drawer,
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content: @escaping () -> Content
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) {
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self.drawer = buttons
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self.content = content
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super.init(rootView: content())
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}
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@available(*, unavailable)
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = nil
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view.addSubview(blurView)
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addChild(drawerButtonsView)
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view.addSubview(drawerButtonsView.view)
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drawerButtonsView.didMove(toParent: self)
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NSLayoutConstraint.activate([
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drawerButtonsView.view.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: -drawerHeight),
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drawerButtonsView.view.heightAnchor.constraint(equalToConstant: drawerHeight),
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drawerButtonsView.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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drawerButtonsView.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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])
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NSLayoutConstraint.activate([
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blurView.topAnchor.constraint(equalTo: view.topAnchor),
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blurView.bottomAnchor.constraint(equalTo: drawerButtonsView.view.bottomAnchor),
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blurView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
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blurView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
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])
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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navigationController?.navigationBar.setBackgroundImage(UIImage(), for: .default)
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navigationController?.navigationBar.shadowImage = UIImage()
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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navigationController?.navigationBar.setBackgroundImage(nil, for: .default)
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navigationController?.navigationBar.shadowImage = nil
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}
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override var additionalSafeAreaInsets: UIEdgeInsets {
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get {
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.init(top: drawerHeight, left: 0, bottom: 0, right: 0)
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}
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set {
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super.additionalSafeAreaInsets = .init(top: drawerHeight, left: 0, bottom: 0, right: 0)
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}
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}
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}
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