source/blender/blendthumb/CMakeLists.txt

@@ -76,8 +76,8 @@ if(APPLE)
   set_target_properties(blender-thumbnailer PROPERTIES
     MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/src/Info.plist
     MACOSX_FRAMEWORK_IDENTIFIER org.blenderfoundation.blender.thumbnailer)
-  set_target_properties(blender-thumbnailer PROPERTIES
-    XIB_RESOURCE "${CMAKE_CURRENT_SOURCE_DIR}/src/Base.lproj")
+  # set_target_properties(blender-thumbnailer PROPERTIES
+  #   XIB_RESOURCE "${CMAKE_CURRENT_SOURCE_DIR}/src/Base.lproj")
   # Doesn't affect other generators. So need to specify extension for others.
   set_target_properties(blender-thumbnailer PROPERTIES
     XCODE_PRODUCT_TYPE com.apple.product-type.app-extension)

source/blender/blendthumb/src/Info.plist

@@ -34,13 +34,11 @@
 				<array>
 					<string>org.blenderfoundation.blender.file</string>
 				</array>
-				<key>QLThumbnailMinimumDimension</key>
-				<integer>0</integer>
 			</dict>
 			<key>NSExtensionPointIdentifier</key>
-			<string>com.apple.quicklook.preview</string>
-			<key>NSExtensionPrincipalClass</key>
-			<string>PreviewProvider</string>
+			<string>com.apple.quicklook.thumbnail</string>
+			<key>com.apple.showsInExtensionsManager</key>
+			<true/>
 		</dict>
 	</dict>
 </plist>

source/blender/blendthumb/src/ThumbnailProvider.h

@@ -1,8 +1,14 @@
 #include <AppKit/AppKit.h>
+
 #import <Quartz/Quartz.h>
+#import <QuickLookThumbnailing/QuickLookThumbnailing.h>
 
 NS_ASSUME_NONNULL_BEGIN
 
+@interface ThumbnailProvider : QLThumbnailProvider
+
+@end
+
 @interface PreviewViewController : NSViewController <QLPreviewingController>
 
 @end

source/blender/blendthumb/src/ThumbnailProvider.mm

@@ -61,6 +61,30 @@ static eThumbStatus creator_impl(const char *src_blend_path)
   return err;
 }
 
+@implementation ThumbnailProvider
+
+- (void)provideThumbnailForFileRequest:(QLFileThumbnailRequest *)request
+                     completionHandler:(void (^)(QLThumbnailReply *_Nullable reply,
+                                                 NSError *_Nullable error))handler
+{
+  @autoreleasepool {  // Add the supported content types to the QLSupportedContentTypes array in
+                      // the Info.plist of the
+    // extension.
+
+    std::cout << "Hello World from blender Blender thumbnailer" << std::endl;
+    NSLog(@"hello world from blender");
+    NSURL *foo = [[NSURL alloc]
+        initFileURLWithFileSystemRepresentation:"/Users/ankitkumar/Pictures/IMG_3158.JPG"
+                                    isDirectory:NO
+                                  relativeToURL:nil];
+    QLThumbnailReply *reply = [QLThumbnailReply replyWithImageFileURL:foo];
+
+    handler(reply, nil);
+  }
+}
+
+@end
+
 @implementation PreviewViewController
 
 - (NSString *)nibName
@@ -103,14 +127,14 @@ extension if you support CoreSpotlight.
   // Quick Look will display a loading spinner while the completion handler is not called.
 
   NSLog(@"blender preparePreviewOfFileAtURL: %@", url);
-  std::ofstream file("/Users/ankit.kumar/apps/build_xcode/foobar.txt",
+  std::ofstream file("/Users/ankitkumar/blender-build/build_darwin_debug_lite/foobar.txt",
                      std::ios::out | std::ios::trunc | std::ios::binary);
   file << "Hello World";
   file.close();
   std::cout << "Hello World" << std::endl;
   // set image to file path /Users/ankit.kumar/Desktop/Screenshot 2021-09-02 at 1.59.47 PM.png
   [[[self view] imageRepresentation]
-      setFileURL:[NSURL fileURLWithPath:@"file:///Users/ankit.kumar/Desktop/Screenshot.png"
+      setFileURL:[NSURL fileURLWithPath:@"/Users/ankitkumar/Pictures/IMG_3158.JPG"
                             isDirectory:NO]];
   [[self view] display];
   handler(nil);

source/creator/CMakeLists.txt

@@ -1354,12 +1354,11 @@ elseif(APPLE)
       TARGETS blender-thumbnailer
       DESTINATION Blender.app/Contents/Plugins
     )
-    get_target_property(XIB_RESOURCE blender-thumbnailer XIB_RESOURCE)
-    install_dir(
-      ${XIB_RESOURCE}
-       Blender.app/Contents/Plugins/blender-thumbnailer.appex/Contents/Resources
-    )
-
+    # get_target_property(XIB_RESOURCE blender-thumbnailer XIB_RESOURCE)
+    # install_dir(
+    #   ${XIB_RESOURCE}
+    #    Blender.app/Contents/Plugins/blender-thumbnailer.appex/Contents/Resources
+    # )
   endif()
 
   if(PLATFORM_BUNDLED_LIBRARIES AND TARGETDIR_LIB)