80 lines
2.2 KiB
Swift
80 lines
2.2 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) 2022 Jellyfin & Jellyfin Contributors
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//
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import SwiftUI
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import SwizzleSwift
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import UIKit
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// MARK: - wrapper view
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/// Wrapper view that will apply swizzling to make iOS query the child view for preference settings.
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/// Used in combination with PreferenceUIHostingController.
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///
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/// Source: https://gist.github.com/Amzd/01e1f69ecbc4c82c8586dcd292b1d30d
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struct PreferenceUIHostingControllerView<Wrapped: View>: UIViewControllerRepresentable {
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init(@ViewBuilder wrappedView: @escaping () -> Wrapped) {
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_ = UIViewController.preferenceSwizzling
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self.wrappedView = wrappedView
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}
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var wrappedView: () -> Wrapped
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func makeUIViewController(context: Context) -> PreferenceUIHostingController {
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PreferenceUIHostingController(wrappedView: wrappedView())
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}
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func updateUIViewController(_ uiViewController: PreferenceUIHostingController, context: Context) {}
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}
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// MARK: - swizzling uiviewcontroller extensions
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extension UIViewController {
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static var preferenceSwizzling: Void = {
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Swizzle(UIViewController.self) {
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#selector(getter: childForScreenEdgesDeferringSystemGestures) <-> #selector(swizzled_childForScreenEdgesDeferringSystemGestures)
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#selector(getter: childForHomeIndicatorAutoHidden) <-> #selector(swizzled_childForHomeIndicatorAutoHidden)
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}
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}()
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}
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extension UIViewController {
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@objc
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func swizzled_childForScreenEdgesDeferringSystemGestures() -> UIViewController? {
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if self is PreferenceUIHostingController {
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// dont continue searching
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return nil
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} else {
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return search()
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}
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}
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@objc
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func swizzled_childForHomeIndicatorAutoHidden() -> UIViewController? {
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if self is PreferenceUIHostingController {
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// dont continue searching
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return nil
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} else {
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return search()
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}
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}
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private func search() -> PreferenceUIHostingController? {
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if let result = children.compactMap({ $0 as? PreferenceUIHostingController }).first {
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return result
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}
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for child in children {
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if let result = child.search() {
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return result
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}
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}
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return nil
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}
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}
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