gistfile1.txt

- (IBAction)discoverRoms:(id)sender
{
    NSString* searchString = [NSString stringWithFormat:@"kMDItemFSName = \"*.nes\"", nil ];

    NSArray* sortArray = [NSArray arrayWithObject:(NSString*)kMDItemDisplayName];
    
    MDQueryRef searchQuery = MDQueryCreate(kCFAllocatorDefault, (CFStringRef)searchString, NULL, (CFArrayRef)sortArray);
        
    if(searchQuery)
    {
        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(finalizeSearchResults:)
                                                     name:(NSString*)kMDQueryDidFinishNotification
                                                   object:(id)searchQuery];
        
        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateSearchResults:)
                                                     name:(NSString*)kMDQueryProgressNotification
                                                   object:(id)searchQuery];
        
        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateSearchResults:)
                                                     name:(NSString*)kMDQueryDidUpdateNotification
                                                   object:(id)searchQuery];
    
        self.searchResults = [NSMutableArray array];

        MDQuerySetSearchScope(searchQuery, (CFArrayRef) [NSArray arrayWithObject:(NSString*) kMDQueryScopeComputer], 0);
        
        //MDQuerySetDispatchQueue(searchQuery, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0));

        if(MDQueryExecute(searchQuery, kMDQueryWantsUpdates))
            NSLog(@"searching for importable roms");
    }
}


- (void) updateSearchResults:(NSNotification*)notification
{
    NSLog(@"updateSearchResults");
}