feat: favorite webview 넣기

iBox/Sources/Presenter/BoxList/FolderButton.swift

@@ -36,7 +36,7 @@ class FolderButton: UIButton {
     init(isOpen: Bool) {
         self.isOpen = isOpen
         super.init(frame: .zero)
-        backgroundColor = .clear
+        backgroundColor = .systemGroupedBackground
 
         setupLayout()
     }

iBox/Sources/Presenter/Favorite/FavoriteView.swift

@@ -0,0 +1,36 @@
+//
+//  FavoriteView.swift
+//  iBox
+//
+//  Created by 이지현 on 1/18/24.
+//
+
+import UIKit
+import WebKit
+
+import SnapKit
+
+class FavoriteView: PreloadedWebView {
+
+    private lazy var webView = WebViewPreloader.shared.getFavoriteView()
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        backgroundColor = .systemBackground
+
+        setupLayout()
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    private func setupLayout() {
+        guard let webView else { return }
+        addSubview(webView)
+        webView.snp.makeConstraints { make in
+            make.edges.equalToSuperview()
+        }
+    }
+
+}

iBox/Sources/Presenter/Favorite/FavoriteViewController.swift

@@ -0,0 +1,26 @@
+//
+//  FavoriteViewController.swift
+//  iBox
+//
+//  Created by 이지현 on 12/27/23.
+//
+
+import UIKit
+
+class FavoriteViewController: BaseNavigationBarViewController<FavoriteView> {
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        guard let _ = contentView as? FavoriteView else { return }
+    }
+
+    override func viewDidDisappear(_ animated: Bool) {
+        WebViewPreloader.shared.resetFavoriteView()
+    }
+
+    override func setupNavigationBar() {
+        setNavigationBarHidden(true)
+    }
+
+}

iBox/Sources/SceneDelegate.swift

@@ -16,13 +16,10 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 
         window = UIWindow(frame: windowScene.coordinateSpace.bounds)
         window?.windowScene = windowScene
-        window?.rootViewController = MainTabBarController()
-
+
         // 앱 테마 정보
         window?.overrideUserInterfaceStyle = UserDefaultsManager.theme.value.toUserInterfaceStyle()
 
-        window?.makeKeyAndVisible() // 윈도우를 화면에 보여줌
-
         // 나중에 userDefaults에 저장해두고 꺼내와서 preload하기
         let urlsToPreload = [
             URL(string: "https://profile.intra.42.fr/")!,
@@ -33,6 +30,13 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
             URL(string: "https://24hoursarenotenough.42seoul.kr/")!
         ]
         WebViewPreloader.shared.preload(urls: urlsToPreload)
+
+        let favorite = UserDefaultsManager.favorite.value
+        guard let favoriteUrl = URL(string: favorite.url) else { return }
+        WebViewPreloader.shared.preloadFavoriteView(url: favoriteUrl)
+
+        window?.rootViewController = MainTabBarController()
+        window?.makeKeyAndVisible() // 윈도우를 화면에 보여줌
     }
 
     func sceneDidDisconnect(_ scene: UIScene) {

iBox/Sources/Utils/WebViewPreloader.swift

@@ -11,6 +11,7 @@ import WebKit
 class WebViewPreloader {
     static let shared = WebViewPreloader()
     private var webViews: [URL: WKWebView] = [:]
+    private var favoriteView: (url: URL, webView: WKWebView)?
 
     private init() {}
 
@@ -22,12 +23,28 @@ class WebViewPreloader {
         }
     }
 
+    func preloadFavoriteView(url: URL) {
+        let webView = WKWebView()
+        webView.load(URLRequest(url: url))
+        favoriteView = (url, webView)
+    }
+
     func getWebView(for url: URL) -> WKWebView? {
         return webViews[url]
     }
 
+    func getFavoriteView() -> WKWebView? {
+        return favoriteView?.webView
+    }
+
     func resetWebView(for url: URL) {
         webViews[url]?.load(URLRequest(url: url))
     }
+
+    func resetFavoriteView() {
+        guard let favoriteView else { return }
+        favoriteView.webView.load(URLRequest(url: favoriteView.url))
+    }
+
 
 }