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https://github.com/Ranchero-Software/NetNewsWire.git
synced 2024-12-23 08:09:41 +01:00
Convert FeedIconDownloader to async await.
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@ -18,7 +18,7 @@ public extension Notification.Name {
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static let FeedIconDidBecomeAvailable = Notification.Name("FeedIconDidBecomeAvailableNotification") // UserInfoKey.feed
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}
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public protocol FeedIconDownloaderDelegate {
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public protocol FeedIconDownloaderDelegate: Sendable {
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var appIconImage: IconImage? { get }
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@ -96,42 +96,40 @@ public protocol FeedIconDownloaderDelegate {
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guard let homePageURL = feed.homePageURL else {
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return
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}
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icon(forHomePageURL: homePageURL, feed: feed) { (image) in
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Task { @MainActor in
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if let image {
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self.postFeedIconDidBecomeAvailableNotification(feed)
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self.cache[feed] = IconImage(image)
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}
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Task { @MainActor in
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if let image = await icon(forHomePageURL: homePageURL, feed: feed) {
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postFeedIconDidBecomeAvailableNotification(feed)
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cache[feed] = IconImage(image)
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}
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}
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}
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func checkFeedIconURL() {
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if let iconURL = feed.iconURL {
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icon(forURL: iconURL, feed: feed) { (image) in
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Task { @MainActor in
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if let image {
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self.postFeedIconDidBecomeAvailableNotification(feed)
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self.cache[feed] = IconImage(image)
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} else {
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checkHomePageURL()
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}
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}
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}
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} else {
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guard let iconURL = feed.iconURL else {
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checkHomePageURL()
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return
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}
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Task { @MainActor in
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if let image = await icon(forURL: iconURL, feed: feed) {
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postFeedIconDidBecomeAvailableNotification(feed)
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cache[feed] = IconImage(image)
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} else {
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checkHomePageURL()
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}
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}
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}
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if let feedProviderURL = feedURLToIconURLCache[feed.url] {
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self.icon(forURL: feedProviderURL, feed: feed) { (image) in
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Task { @MainActor in
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if let image = image {
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self.postFeedIconDidBecomeAvailableNotification(feed)
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self.cache[feed] = IconImage(image)
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}
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Task { @MainActor in
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if let image = await icon(forURL: feedProviderURL, feed: feed) {
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postFeedIconDidBecomeAvailableNotification(feed)
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cache[feed] = IconImage(image)
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}
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}
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return nil
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}
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@ -170,32 +168,29 @@ public protocol FeedIconDownloaderDelegate {
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private extension FeedIconDownloader {
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func icon(forHomePageURL homePageURL: String, feed: Feed, _ imageResultBlock: @Sendable @escaping (RSImage?) -> Void) {
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func icon(forHomePageURL homePageURL: String, feed: Feed) async -> RSImage? {
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if homePagesWithNoIconURLCache.contains(homePageURL) || homePagesWithUglyIcons.contains(homePageURL) {
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imageResultBlock(nil)
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return
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return nil
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}
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if let iconURL = cachedIconURL(for: homePageURL) {
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icon(forURL: iconURL, feed: feed, imageResultBlock)
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return
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return await icon(forURL: iconURL, feed: feed)
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}
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findIconURLForHomePageURL(homePageURL, feed: feed, downloadMetadata: delegate!.downloadMetadata(_:))
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return nil
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}
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func icon(forURL url: String, feed: Feed, _ imageResultBlock: @Sendable @escaping (RSImage?) -> Void) {
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waitingForFeedURLs[url] = feed
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guard let imageData = imageDownloader.image(for: url) else {
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imageResultBlock(nil)
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return
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}
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func icon(forURL url: String, feed: Feed) async -> RSImage? {
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Task {
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let image = await RSImage.scaledForIcon(imageData)
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imageResultBlock(image)
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waitingForFeedURLs[url] = feed
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guard let imageData = imageDownloader.image(for: url) else {
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return nil
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}
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return await RSImage.scaledForIcon(imageData)
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}
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func postFeedIconDidBecomeAvailableNotification(_ feed: Feed) {
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@ -241,7 +236,8 @@ private extension FeedIconDownloader {
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if let url = metadata.bestWebsiteIconURL() {
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cacheIconURL(for: homePageURL, url)
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icon(forURL: url, feed: feed) { (image) in
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Task { @MainActor in
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await icon(forURL: url, feed: feed)
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}
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return
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}
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@ -331,5 +327,4 @@ private extension FeedIconDownloader {
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assertionFailure(error.localizedDescription)
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}
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}
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}
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