Remove AnimatedImageCache and related types (#23926)

WordPress/Classes/Utility/Media/MediaExternalExporter.swift

@@ -46,24 +46,17 @@ class MediaExternalExporter: MediaExporter {
         return Progress.discreteCompletedProgress()
     }
 
-    /// Downloads an external GIF file, or uses one from the AnimatedImageCache.
-    ///
     private func downloadGif(from url: URL, onCompletion: @escaping OnMediaExport, onError: @escaping OnExportError) -> Progress {
-        let request = URLRequest(url: url)
-        let task = AnimatedImageCache.shared.animatedImage(request, placeholderImage: nil,
-                                                           success: { (data, _) in
-                                                            self.gifDataDownloaded(data: data,
-                                                                                   fromURL: url,
-                                                                                   error: nil,
-                                                                                   onCompletion: onCompletion,
-                                                                                   onError: onError)
-        }, failure: { error in
-            if let error {
-                onError(self.exporterErrorWith(error: error))
+        Task {
+            do {
+                let options = ImageRequestOptions(isMemoryCacheEnabled: false)
+                let data = try await ImageDownloader.shared.data(for: ImageRequest(url: url, options: options))
+                self.gifDataDownloaded(data: data, fromURL: url, error: nil, onCompletion: onCompletion, onError: onError)
+            } catch {
+                onError(ExportError.downloadError(error as NSError))
             }
-        })
-
-        return task?.progress ?? Progress.discreteCompletedProgress()
+        }
+        return Progress.discreteCompletedProgress()
     }
 
     /// Saves downloaded GIF data to the filesystem and exports it.

WordPress/Classes/Utility/Media/MemoryCache+Extensions.swift

@@ -13,8 +13,6 @@ extension MemoryCache {
         UIImageView.af.sharedImageDownloader = AlamofireImage.ImageDownloader(
             imageCache: AlamofireImageCacheAdapter(cache: .shared)
         )
-
-        // WordPress.AnimatedImageCache uses WordPress.MemoryCache directly
     }
 }
 

WordPress/Classes/ViewRelated/Gutenberg/EditorMediaUtility.swift

@@ -4,67 +4,17 @@ import Gridicons
 import WordPressShared
 import WordPressMedia
 
-final class AuthenticatedImageDownload: AsyncOperation, @unchecked Sendable {
-    enum DownloadError: Error {
-        case blogNotFound
-    }
-
-    let url: URL
-    let mediaHost: MediaHost
-    private let callbackQueue: DispatchQueue
-    private let onSuccess: (UIImage) -> ()
-    private let onFailure: (Error) -> ()
-
-    init(url: URL, mediaHost: MediaHost, callbackQueue: DispatchQueue, onSuccess: @escaping (UIImage) -> (), onFailure: @escaping (Error) -> ()) {
-        self.url = url
-        self.mediaHost = mediaHost
-        self.callbackQueue = callbackQueue
-        self.onSuccess = onSuccess
-        self.onFailure = onFailure
-    }
-
-    override func main() {
-        let mediaRequestAuthenticator = MediaRequestAuthenticator()
-        mediaRequestAuthenticator.authenticatedRequest(
-            for: url,
-            from: mediaHost,
-            onComplete: { request in
-                ImageDownloader.shared.downloadImage(for: request) { (image, error) in
-                    self.state = .isFinished
-
-                    self.callbackQueue.async {
-                        guard let image else {
-                            DDLogError("Unable to download image for attachment with url = \(String(describing: request.url)). Details: \(String(describing: error?.localizedDescription))")
-                            if let error {
-                                self.onFailure(error)
-                            } else {
-                                self.onFailure(NSError(domain: NSURLErrorDomain, code: NSURLErrorUnknown, userInfo: nil))
-                            }
-
-                            return
-                        }
-
-                        self.onSuccess(image)
-                    }
-                }
-            },
-            onFailure: { error in
-                self.state = .isFinished
-                self.callbackQueue.async {
-                    self.onFailure(error)
-                }
-            }
-        )
-    }
-}
-
 class EditorMediaUtility {
     private static let InternalInconsistencyError = NSError(domain: NSExceptionName.internalInconsistencyException.rawValue, code: 0)
 
     private struct Constants {
         static let placeholderDocumentLink = URL(string: "documentUploading://")!
     }
 
+    enum DownloadError: Error {
+        case blogNotFound
+    }
+
     func placeholderImage(for attachment: NSTextAttachment, size: CGSize, tintColor: UIColor?) -> UIImage {
         var icon: UIImage
         switch attachment {
@@ -137,17 +87,18 @@ class EditorMediaUtility {
             callbackQueue.async {
                 failure(error)
             }
-            return EmptyImageDownloaderTask()
-        case let .success((requestURL, mediaHost)):
-            let imageDownload = AuthenticatedImageDownload(
-                url: requestURL,
-                mediaHost: mediaHost,
-                callbackQueue: callbackQueue,
-                onSuccess: success,
-                onFailure: failure
-            )
-            imageDownload.start()
-            return imageDownload
+            return MeediaUtilityTask { /* do nothing */ }
+        case let .success((imageURL, host)):
+            let task = Task { @MainActor in
+                do {
+                    let image = try await ImageDownloader.shared.image(from: imageURL, host: host)
+                    success(image)
+                } catch {
+                    failure(error)
+
+                }
+            }
+            return MeediaUtilityTask { task.cancel() }
         }
     }
 
@@ -160,7 +111,7 @@ class EditorMediaUtility {
     ) throws -> (URL, MediaHost) {
         // This function is added to debug the issue linked below.
         let safeExistingObject: (NSManagedObjectID) throws -> NSManagedObject = { objectID in
-            var object: Result<NSManagedObject, Error> = .failure(AuthenticatedImageDownload.DownloadError.blogNotFound)
+            var object: Result<NSManagedObject, Error> = .failure(DownloadError.blogNotFound)
             do {
                 // Catch an Objective-C `NSInvalidArgumentException` exception from `existingObject(with:)`.
                 // See https://github.com/wordpress-mobile/WordPress-iOS/issues/20630
@@ -251,8 +202,10 @@ class EditorMediaUtility {
     }
 }
 
-private class EmptyImageDownloaderTask: ImageDownloaderTask {
+private struct MeediaUtilityTask: ImageDownloaderTask {
+    let closure: @Sendable () -> Void
+
     func cancel() {
-        // Do nothing
+        closure()
     }
 }

WordPress/Classes/ViewRelated/Gutenberg/GutenbergImageLoader.swift

@@ -19,12 +19,6 @@ class GutenbergImageLoader: NSObject, RCTImageURLLoader {
     }
 
     func loadImage(for imageURL: URL, size: CGSize, scale: CGFloat, resizeMode: RCTResizeMode, progressHandler: RCTImageLoaderProgressBlock, partialLoadHandler: RCTImageLoaderPartialLoadBlock, completionHandler: @escaping RCTImageLoaderCompletionBlock) -> RCTImageLoaderCancellationBlock? {
-        let cacheKey = getCacheKey(for: imageURL, size: size)
-
-        if let image = AnimatedImageCache.shared.cachedStaticImage(url: cacheKey) {
-            completionHandler(nil, image)
-            return {}
-        }
 
         var finalSize = size
         var finalScale = scale
@@ -36,7 +30,6 @@ class GutenbergImageLoader: NSObject, RCTImageURLLoader {
         }
 
         let task = mediaUtility.downloadImage(from: imageURL, size: finalSize, scale: finalScale, post: post, success: { (image) in
-            AnimatedImageCache.shared.cacheStaticImage(url: cacheKey, image: image)
             completionHandler(nil, image)
         }, onFailure: { (error) in
             completionHandler(error, nil)
@@ -56,17 +49,6 @@ class GutenbergImageLoader: NSObject, RCTImageURLLoader {
         return nil
     }
 
-    private func getCacheKey(for url: URL, size: CGSize) -> URL? {
-        guard size != CGSize.zero else {
-            return url
-        }
-        var components = URLComponents(url: url, resolvingAgainstBaseURL: true)
-        let queryItems = components?.queryItems
-        let newQueryItems = (queryItems ?? []) + [URLQueryItem(name: "cachekey", value: "\(size)")]
-        components?.queryItems = newQueryItems
-        return components?.url
-    }
-
     static func moduleName() -> String! {
         return String(describing: self)
     }

WordPress/Classes/ViewRelated/Gutenberg/Utils/GutenbergMediaEditorImage.swift

@@ -32,7 +32,7 @@ class GutenbergMediaEditorImage: AsyncImage {
     init(url: URL, post: AbstractPost) {
         originalURL = url
         self.post = post
-        thumb = AnimatedImageCache.shared.cachedStaticImage(url: originalURL)
+        thumb = ImageDownloader.shared.cachedImage(for: originalURL)
     }
 
     /**