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Revert "Offline DRM: Minimal update for Swift Concurrency migration (#147)" #148

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Revert "Offline DRM: Minimal update for Swift Concurrency migration (#147)" #148

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31 changes: 10 additions & 21 deletions JWBestPracticeApps/Offline DRM/Offline DRM/ViewController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -54,39 +54,20 @@ class ViewController: UIViewController, AVAssetDownloadDelegate {
/// An observer to track the download progress.
var progressObserver: NSKeyValueObservation?

override func viewDidLoad() {
super.viewDidLoad()
// Create the configuration for the AVAssetDownloadURLSession.
let backgroundConfiguration = URLSessionConfiguration.background(withIdentifier: "AAPL-Identifier")
assetDownloadURLSession = AVAssetDownloadURLSession(configuration: backgroundConfiguration,
assetDownloadDelegate: self, delegateQueue: delegateQueue)
}

override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)

// It's safe to sping this off in an unstructured Task because all work prior to this (in viewDidLoad) is synchronous.
Task(priority: .userInitiated) {
// NOTE: This app demonstrates best practices with regards to Offline DRM implementation, NOT with
// implementing Swift Concurrency integration, which would require bridging Apple's `AVContentKeySessionDelegate`
// methods as a starting point.
await setupPlayer()
}
}

private func setupPlayer() async {
// The keys can be pre-loaded by calling load on the content loader.
guard let url = URL(string: playlistURL) else {
print("Cannot initialize player because playlistURL is invalid. URL:'\(playlistURL)'")
return
}
contentLoader = JWDRMContentLoader(dataSource: keyDataSource, keyManager: keyManager)
await self.contentLoader?.load(playlist: url)
self.contentLoader?.load(playlist: url)

// We construct a playlist either from the remote asset or a local asset if it is saved.
var config: JWPlayerConfiguration!

if let localURL {
if let localURL = localURL {
config = self.getPlaylist(local: localURL)
// Updates the UI to reflect that the asset is already downloaded.
stateLabel?.text = "Saved"
Expand All @@ -99,6 +80,14 @@ class ViewController: UIViewController, AVAssetDownloadDelegate {
self.player?.configurePlayer(with: config)
}

override func viewDidLoad() {
super.viewDidLoad()
// Create the configuration for the AVAssetDownloadURLSession.
let backgroundConfiguration = URLSessionConfiguration.background(withIdentifier: "AAPL-Identifier")
assetDownloadURLSession = AVAssetDownloadURLSession(configuration: backgroundConfiguration,
assetDownloadDelegate: self, delegateQueue: delegateQueue)
}

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
guard let playerViewController = segue.destination as? JWPlayerViewController else {
return
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