use AnyFileView to view all images

- this removes the need to check for GIF images
- this also has a nice add-on of using gestures for zoom

Author: plbstl

CodeEdit/Features/Documents/CodeFileDocument.swift

@@ -60,10 +60,6 @@ final class CodeFileDocument: NSDocument, ObservableObject {
         if type.conforms(to: .text) {
             return .text
         }
-        // GIF conforms to image, so to differentiate, the GIF check has to come before the image check.
-        if type.conforms(to: .gif) {
-            return .gif
-        }
         if type.conforms(to: .image) {
             return .image
         }

CodeEdit/Features/Editor/Views/ImageFileView.swift

@@ -7,7 +7,7 @@
 
 import SwiftUI
 
-/// A view for previewing an image, while respecting its image dimensions.
+/// A view for previewing an image, while respecting its dimensions.
 ///
 /// It receives a URL to an image file and attempts to preview it.
 ///
@@ -18,20 +18,13 @@ import SwiftUI
 /// the size of the image view area.
 ///
 /// If the preview image cannot be created, it shows a  *"Cannot preview image"* text.
-///
-/// - Note: This view wraps around SwiftUI Image. Since SwiftUI Image view do not play GIFs, you should indicate
-/// when passing in a GIF file, so this view can handle the GIF file correctly.
 struct ImageFileView: View {
 
     /// URL of the image you want to preview.
     private let imageURL: URL
 
-    /// Indicates whether the image is a GIF.
-    private let isGif: Bool
-
-    init(_ imageURL: URL, isGif: Bool = false) {
+    init(_ imageURL: URL) {
         self.imageURL = imageURL
-        self.isGif = isGif
     }
 
     var body: some View {
@@ -43,21 +36,11 @@ struct ImageFileView: View {
 
             GeometryReader { proxy in
                 ZStack {
-                    if isGif {
-                        AnyFileView(imageURL)
-                            .frame(
-                                maxWidth: min(pixelWidth, proxy.size.width, nsImage.size.width),
-                                maxHeight: min(pixelHeight, proxy.size.height, nsImage.size.height)
-                            )
-                    } else {
-                        Image(nsImage: nsImage)
-                            .resizable()
-                            .scaledToFit()
-                            .frame(
-                                maxWidth: min(pixelWidth, proxy.size.width, nsImage.size.width),
-                                maxHeight: min(pixelHeight, proxy.size.height, nsImage.size.height)
-                            )
-                    }
+                    AnyFileView(imageURL)
+                        .frame(
+                            maxWidth: min(pixelWidth, proxy.size.width, nsImage.size.width),
+                            maxHeight: min(pixelHeight, proxy.size.height, nsImage.size.height)
+                        )
                 }
                 .frame(width: proxy.size.width, height: proxy.size.height)
             }

CodeEdit/Features/Editor/Views/NonTextFileView.swift

@@ -22,10 +22,6 @@ struct NonTextFileView: View {
         if let fileURL = fileDocument.fileURL {
 
             switch fileDocument.utType {
-            case .some(.gif):
-                // GIF conforms to image, so to differentiate, the GIF check has to come before the image check.
-                ImageFileView(fileURL, isGif: true)
-
             case .some(.image):
                 ImageFileView(fileURL)