cog/FileTree/SmartFolderNode.m

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//
// SmartFolderNode.m
// Cog
//
// Created by Vincent Spader on 9/25/06.
// Copyright 2006 __MyCompanyName__. All rights reserved.
//
#import "SmartFolderNode.h"
#import "DirectoryNode.h"
#import "FileNode.h"
#import "FileTreeDataSource.h"
#import "Logging.h"
#import "SandboxBroker.h"
@implementation SmartFolderNode
- (BOOL)isLeaf {
return NO;
}
- (void)updatePath {
const void *sbHandle = [[SandboxBroker sharedSandboxBroker] beginFolderAccess:url];
NSDictionary *doc = [NSDictionary dictionaryWithContentsOfFile:[url path]];
[[SandboxBroker sharedSandboxBroker] endFolderAccess:sbHandle];
NSString *rawQuery = [doc objectForKey:@"RawQuery"];
NSArray *searchPaths = [[doc objectForKey:@"SearchCriteria"] objectForKey:@"CurrentFolderPath"];
// Ugh, Carbon from now on...
MDQueryRef query = MDQueryCreate(kCFAllocatorDefault, (CFStringRef)rawQuery, NULL, NULL);
_query = query;
MDQuerySetSearchScope(query, (CFArrayRef)searchPaths, 0);
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(queryFinished:) name:(NSString *)kMDQueryDidFinishNotification object:(__bridge id)query];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(queryUpdate:) name:(NSString *)kMDQueryDidUpdateNotification object:(__bridge id)query];
DLog(@"Making query!");
MDQueryExecute(query, kMDQueryWantsUpdates);
// Note: This is asynchronous!
}
- (void)setSubpaths:(id)s {
subpaths = s;
subpathsLookup = [[NSMutableDictionary alloc] init];
for(PathNode *node in s) {
[subpathsLookup setObject:node forKey:node.lastPathComponent];
}
}
- (unsigned int)countOfSubpaths {
return (unsigned int)[[self subpaths] count];
}
- (PathNode *)objectInSubpathsAtIndex:(unsigned int)index {
return [[self subpaths] objectAtIndex:index];
}
- (void)queryFinished:(NSNotification *)notification {
DLog(@"Query finished!");
MDQueryRef query = (__bridge MDQueryRef)[notification object];
NSMutableArray *results = [NSMutableArray array];
MDQueryDisableUpdates(query);
int c = (int)MDQueryGetResultCount(query);
int i;
for(i = 0; i < c; i++) {
MDItemRef item = (MDItemRef)MDQueryGetResultAtIndex(query, i);
NSString *itemPath = (NSString *)CFBridgingRelease(MDItemCopyAttribute(item, kMDItemPath));
[results addObject:itemPath];
}
MDQueryEnableUpdates(query);
DLog(@"Query update!");
[self processPaths:[results sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)]];
[dataSource reloadPathNode:self];
}
- (void)queryUpdate:(NSNotification *)notification {
DLog(@"Query update!");
[self queryFinished:notification];
}
- (void)dealloc {
if(_query) CFRelease(_query);
}
@end