feat: open-source 小浣熊阅读 for iOS

2026-10-23 20:31:22 +08:00 · 2026-10-14 11:37:36 +08:00
commit ffc9e9d91d
193 changed files with 41382 additions and 0 deletions
@@ -0,0 +1,88 @@
+import SwiftUI
+import UIKit
+
+struct ReaderInteractivePopEnabler: UIViewControllerRepresentable {
+    func makeUIViewController(context: Context) -> Controller {
+        Controller()
+    }
+
+    func updateUIViewController(_ uiViewController: Controller, context: Context) {
+        uiViewController.enableInteractivePopIfAvailable()
+    }
+
+    static func dismantleUIViewController(_ uiViewController: Controller, coordinator: Void) {
+        uiViewController.restoreInteractivePopDelegate()
+    }
+
+    final class Controller: UIViewController {
+        private weak var popGesture: UIGestureRecognizer?
+        private var previousDelegate: (any UIGestureRecognizerDelegate)?
+        private var releasedDelegate = false
+
+        override func viewDidAppear(_ animated: Bool) {
+            super.viewDidAppear(animated)
+            enableInteractivePopIfAvailable()
+        }
+
+        func enableInteractivePopIfAvailable() {
+            guard let navigationController,
+                  navigationController.viewControllers.count > 1,
+                  let gesture = navigationController.interactivePopGestureRecognizer else { return }
+            if gesture.delegate != nil {
+                previousDelegate = gesture.delegate
+                gesture.delegate = nil
+                releasedDelegate = true
+            }
+            gesture.isEnabled = true
+            popGesture = gesture
+        }
+
+        func restoreInteractivePopDelegate() {
+            guard releasedDelegate, let popGesture, popGesture.delegate == nil else { return }
+            popGesture.delegate = previousDelegate
+            previousDelegate = nil
+            releasedDelegate = false
+        }
+
+    }
+}
+
+struct ReaderMenuDismissShape: Shape {
+    var leadingExclusion: CGFloat = 24
+
+    func path(in rect: CGRect) -> Path {
+        Path(CGRect(
+            x: min(max(leadingExclusion, 0), rect.width),
+            y: 0,
+            width: max(rect.width - leadingExclusion, 0),
+            height: rect.height
+        ))
+    }
+}
+
+@MainActor enum ReaderScreenOrientation {
+    static private(set) var supportedOrientations: UIInterfaceOrientationMask = .allButUpsideDown
+
+    static func apply(_ value: String) {
+        let mask: UIInterfaceOrientationMask = switch value {
+        case "1": .portrait
+        case "2": .landscape
+        case "3": .all
+        case "4": .portraitUpsideDown
+        case "5": .landscapeLeft
+        default: .allButUpsideDown
+        }
+        supportedOrientations = mask
+        guard let scene = UIApplication.shared.connectedScenes
+            .compactMap({ $0 as? UIWindowScene })
+            .first(where: { $0.activationState == .foregroundActive }) else { return }
+        if #available(iOS 16.0, *) {
+            scene.requestGeometryUpdate(.iOS(interfaceOrientations: mask)) { _ in }
+            scene.windows.first?.rootViewController?.setNeedsUpdateOfSupportedInterfaceOrientations()
+        } else {
+            UIViewController.attemptRotationToDeviceOrientation()
+        }
+    }
+
+    static func restoreApplicationDefault() { apply("0") }
+}