Files
note/Note/SceneDelegate.swift
T

92 lines
3.4 KiB
Swift

//
// SceneDelegate.swift
// Note
//
// Created by fish on 2026/7/12.
//
import UIKit
class SceneDelegate: UIResponder, UIWindowSceneDelegate {
var window: UIWindow?
func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
guard let windowScene = (scene as? UIWindowScene) else { return }
window = UIWindow(windowScene: windowScene)
let rootViewController = ViewController()
let navigationController = UINavigationController(rootViewController: rootViewController)
window?.rootViewController = navigationController
window?.makeKeyAndVisible()
if let url = connectionOptions.urlContexts.first?.url {
handleSharedFile(url)
}
}
func sceneDidDisconnect(_ scene: UIScene) {
// Called as the scene is being released by the system.
// This occurs shortly after the scene enters the background, or when its session is discarded.
// Release any resources associated with this scene that can be re-created the next time the scene connects.
// The scene may re-connect later, as its session was not necessarily discarded (see `application:didDiscardSceneSessions` instead).
}
func sceneDidBecomeActive(_ scene: UIScene) {
// Called when the scene has moved from an inactive state to an active state.
// Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
}
func sceneWillResignActive(_ scene: UIScene) {
// Called when the scene will move from an active state to an inactive state.
// This may occur due to temporary interruptions (ex. an incoming phone call).
}
func sceneWillEnterForeground(_ scene: UIScene) {
// Called as the scene transitions from the background to the foreground.
// Use this method to undo the changes made on entering the background.
}
func sceneDidEnterBackground(_ scene: UIScene) {
// Called as the scene transitions from the foreground to the background.
// Use this method to save data, release shared resources, and store enough scene-specific state information
// to restore the scene back to its current state.
}
func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
guard let url = URLContexts.first?.url else { return }
handleSharedFile(url)
}
private func handleSharedFile(_ url: URL) {
guard url.isFileURL,
let navigationController = window?.rootViewController as? UINavigationController else {
return
}
let shouldStopAccessing = url.startAccessingSecurityScopedResource()
defer {
if shouldStopAccessing {
url.stopAccessingSecurityScopedResource()
}
}
do {
let content = try String(contentsOf: url, encoding: .utf8)
DispatchQueue.main.async {
let viewController = PreviewViewController()
viewController.initialText = content
viewController.fileName = url.lastPathComponent
viewController.title = url.lastPathComponent
navigationController.pushViewController(viewController, animated: true)
}
} catch {
print("Failed to read shared file: \(error)")
}
}
}