Perform extraction in block on background queue.

Author: dempseyatgithub

BuildSettingExtractor/AppDelegate.m

@@ -57,17 +57,19 @@ - (IBAction)handleDroppedFile:(DragFileView *)sender {
             if (result == NSModalResponseOK) {
                 NSURL *destinationURL = openPanel.URL;
 
-                BuildSettingExtractor *buildSettingExtractor = [[BuildSettingExtractor alloc] init];
-                buildSettingExtractor.includeBuildSettingInfoComments = [[NSUserDefaults standardUserDefaults] boolForKey:TPSIncludeBuildSettingInfoComments];
-
-                [buildSettingExtractor extractBuildSettingsFromProject:fileURL toDestinationFolder:destinationURL];
-
-                BOOL openInFinder = [[NSUserDefaults standardUserDefaults] boolForKey:TPSOpenDirectoryInFinder];
-                if (openInFinder) {
-                    [[NSWorkspace sharedWorkspace] openURL:destinationURL];
-                }
+                // Perform the extraction in the background.
+                dispatch_async(dispatch_get_global_queue(QOS_CLASS_USER_INITIATED, 0), ^{
+                    BuildSettingExtractor *buildSettingExtractor = [[BuildSettingExtractor alloc] init];
+                    buildSettingExtractor.includeBuildSettingInfoComments = [[NSUserDefaults standardUserDefaults] boolForKey:TPSIncludeBuildSettingInfoComments];
+
+                    [buildSettingExtractor extractBuildSettingsFromProject:fileURL toDestinationFolder:destinationURL];
+
+                    BOOL openInFinder = [[NSUserDefaults standardUserDefaults] boolForKey:TPSOpenDirectoryInFinder];
+                    if (openInFinder) {
+                        [[NSWorkspace sharedWorkspace] openURL:destinationURL];
+                    }
+                });
             }
-
         }];
     }
 }