Added UTType definitions for file formats

Author: dagronf

Demos/Subtitle Viewer/Subtitle Viewer/DocumentController.swift

@@ -9,6 +9,7 @@ import Foundation
 import AppKit
 import SwiftUI
 
+import UniformTypeIdentifiers
 import SwiftSubtitles
 
 /// Note that this is instantiated in the Storyboard
@@ -25,7 +26,18 @@ class DocumentController: NSDocumentController {
 		openPanel.allowsMultipleSelection = false
 		openPanel.canChooseFiles = true
 		openPanel.canChooseDirectories = false
-		openPanel.allowedFileTypes = ["srt", "sub", "vtt", "sbv", "csv", "json"]
+
+		openPanel.allowedContentTypes = [
+			UTType.srt,
+			UTType.sub,
+			UTType.vtt,
+			UTType.sbv,
+			UTType.commaSeparatedText,
+			UTType.json,
+			UTType.lrc
+		]
+
+		//openPanel.allowedFileTypes = ["srt", "sub", "vtt", "sbv", "csv", "json", "lrc"]
 
 		openPanel.accessoryView = a.view
 		openPanel.delegate = openAccessory

Demos/Subtitle Viewer/Subtitle Viewer/Info.plist

@@ -88,6 +88,20 @@
 			<key>NSDocumentClass</key>
 			<string>$(PRODUCT_MODULE_NAME).Document</string>
 		</dict>
+		<dict>
+			<key>CFBundleTypeName</key>
+			<string>Lyrics file</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+			<key>LSHandlerRank</key>
+			<string>Default</string>
+			<key>LSItemContentTypes</key>
+			<array>
+				<string>public.lrc</string>
+			</array>
+			<key>NSDocumentClass</key>
+			<string>$(PRODUCT_MODULE_NAME).Document</string>
+		</dict>
 	</array>
 	<key>UTImportedTypeDeclarations</key>
 	<array>
@@ -205,6 +219,27 @@
 				</array>
 			</dict>
 		</dict>
+		<dict>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.plain-text</string>
+			</array>
+			<key>UTTypeDescription</key>
+			<string>Lyrics file</string>
+			<key>UTTypeIcons</key>
+			<dict/>
+			<key>UTTypeIdentifier</key>
+			<string>public.lrc</string>
+			<key>UTTypeReferenceURL</key>
+			<string>https://en.wikipedia.org/wiki/LRC_(file_format)</string>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>lrc</string>
+				</array>
+			</dict>
+		</dict>
 	</array>
 </dict>
 </plist>

Sources/SwiftSubtitles/coding/PodcastsIndex.swift

@@ -28,6 +28,16 @@
 
 import Foundation
 
+#if canImport(UniformTypeIdentifiers)
+import UniformTypeIdentifiers
+@available(macOS 11.0, iOS 14, tvOS 14, watchOS 7, *)
+extension UTType {
+	public static var podcastsIndex: UTType {
+		UTType(importedAs: "public.podcastsindex", conformingTo: .json)
+	}
+}
+#endif
+
 extension Subtitles.Coder {
 	/// A [Podcast Index Transcript](https://github.com/Podcastindex-org/podcast-namespace/blob/main/transcripts/transcripts.md#json) encoder/decoder
 	public struct PodcastsIndex: SubtitlesCodable, SubtitlesTextCodable, Codable {

Sources/SwiftSubtitles/coding/SBV.swift

@@ -27,6 +27,16 @@
 import DSFRegex
 import Foundation
 
+#if canImport(UniformTypeIdentifiers)
+import UniformTypeIdentifiers
+@available(macOS 11.0, iOS 14, tvOS 14, watchOS 7, *)
+extension UTType {
+	public static var sbv: UTType {
+		UTType(importedAs: "public.sbv", conformingTo: .plainText)
+	}
+}
+#endif
+
 extension Subtitles.Coder {
 	/// SBV (SubViewer) decoder/encoder
 	///

Sources/SwiftSubtitles/coding/SUB.swift

@@ -26,6 +26,16 @@
 
 import Foundation
 
+#if canImport(UniformTypeIdentifiers)
+import UniformTypeIdentifiers
+@available(macOS 11.0, iOS 14, tvOS 14, watchOS 7, *)
+extension UTType {
+	public static var sub: UTType {
+		UTType(importedAs: "public.microdvd.sub", conformingTo: .plainText)
+	}
+}
+#endif
+
 public extension Subtitles.Coder {
 	/// SUB (MicroDVD) decoder/encoder
 	///

Sources/SwiftSubtitles/coding/VTT.swift

@@ -27,6 +27,16 @@
 import DSFRegex
 import Foundation
 
+#if canImport(UniformTypeIdentifiers)
+import UniformTypeIdentifiers
+@available(macOS 11.0, iOS 14, tvOS 14, watchOS 7, *)
+extension UTType {
+	public static var vtt: UTType {
+		UTType(importedAs: "org.w3.webvtt", conformingTo: .plainText)
+	}
+}
+#endif
+
 extension Subtitles.Coder {
 	/// VTT (WebVTT) decoder/Encoder
 	///