feat: 添加云盘与消息中心功能

suixinkan/UI/CloudDrive/CloudDrivePreviewViewController.swift

@@ -0,0 +1,75 @@
+//
+//  CloudDrivePreviewViewController.swift
+//  suixinkan
+//
+
+import AVKit
+import Kingfisher
+import SnapKit
+import UIKit
+
+/// 云盘文件预览页，黑底展示图片或视频。
+final class CloudDrivePreviewViewController: BaseViewController {
+    private let file: CloudFile
+    private let imageView = UIImageView()
+    private var playerViewController: AVPlayerViewController?
+
+    /// 初始化预览页。
+    init(file: CloudFile) {
+        self.file = file
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func setupNavigationBar() {
+        title = ""
+        navigationController?.navigationBar.tintColor = .white
+    }
+
+    override func setupUI() {
+        view.backgroundColor = .black
+        if file.isVideo {
+            setupVideo()
+        } else {
+            setupImage()
+        }
+    }
+
+    override func viewWillDisappear(_ animated: Bool) {
+        super.viewWillDisappear(animated)
+        navigationController?.navigationBar.tintColor = AppColor.primary
+        playerViewController?.player?.pause()
+    }
+
+    private func setupImage() {
+        imageView.contentMode = .scaleAspectFit
+        imageView.backgroundColor = .black
+        view.addSubview(imageView)
+        imageView.snp.makeConstraints { make in
+            make.edges.equalTo(view.safeAreaLayoutGuide)
+        }
+        if let url = URL(string: file.fileUrl) {
+            imageView.kf.setImage(with: url)
+        }
+    }
+
+    private func setupVideo() {
+        guard let url = URL(string: file.fileUrl) else { return }
+        let player = AVPlayer(url: url)
+        let controller = AVPlayerViewController()
+        controller.player = player
+        controller.view.backgroundColor = .black
+        addChild(controller)
+        view.addSubview(controller.view)
+        controller.view.snp.makeConstraints { make in
+            make.edges.equalTo(view.safeAreaLayoutGuide)
+        }
+        controller.didMove(toParent: self)
+        playerViewController = controller
+        player.play()
+    }
+}