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gallery/Gallery/SceneDelegate.swift
2020-03-16 13:07:20 -04:00

74 lines
3 KiB
Swift

import UIKit
import CoreData
class SceneDelegate: UIResponder, UIWindowSceneDelegate {
var window: UIWindow?
func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
if let userActivity = connectionOptions.userActivities.first ?? session.stateRestorationActivity {
if !configure(window: window, with: userActivity) {
print("Failed to restore from \(userActivity)")
}
}
#if targetEnvironment(macCatalyst)
guard let windowScene = (scene as? UIWindowScene) else {
return
}
let toolbar = NSToolbar(identifier: "Toolbar")
toolbar.delegate = (window?.rootViewController as! UINavigationController).topViewController as? NSToolbarDelegate
toolbar.allowsUserCustomization = true
windowScene.titlebar!.toolbar = toolbar
windowScene.titlebar!.titleVisibility = .visible
(window?.rootViewController as! UINavigationController).navigationBar.isHidden = true
#endif
}
func sceneDidEnterBackground(_ scene: UIScene) {
(UIApplication.shared.delegate as? AppDelegate)?.saveContext()
}
func configure(window: UIWindow?, with activity: NSUserActivity) -> Bool {
if activity.activityType == "post" {
if let photoID = activity.userInfo?["name"] as? String {
if let photoDetailViewController = PostViewController.loadFromStoryboard() {
guard let appDelegate =
UIApplication.shared.delegate as? AppDelegate else {
return false
}
let managedContext = appDelegate.persistentContainer.viewContext
let request = NSFetchRequest<NSFetchRequestResult>(entityName: "Post")
request.predicate = NSPredicate(format: "name = %@", photoID)
request.returnsObjectsAsFaults = false
do {
let result = try managedContext.fetch(request)
guard let object = result[0] as? NSManagedObject else {
return false
}
photoDetailViewController.post = object
photoDetailViewController.isPopup = true
if let navigationController = window?.rootViewController as? UINavigationController {
navigationController.pushViewController(photoDetailViewController, animated: false)
return true
}
} catch _ as NSError {
return false
}
}
}
}
return false
}
}