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Minimise memory usage in Mac app directory watcher

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This commit is contained in:
Thomas Denney 2016-09-15 09:24:09 +01:00
parent 205b94afe8
commit 471a30ca3d
1 changed files with 3 additions and 1 deletions
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4
clients/macuploader/Microbit Uploader/DirectoryWatcher.m
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@ -55,14 +55,16 @@ void callback(ConstFSEventStreamRef streamRef, void * info, size_t numEvents, vo
- (void)rescanPathWithEvents:(BOOL)sendEvents { - (void)rescanPathWithEvents:(BOOL)sendEvents {
NSArray<NSString*>* downloadFiles = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:self.path error:nil]; NSArray<NSString*>* downloadFiles = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:self.path error:nil];
NSMutableSet<NSString*>* fullSet = [NSMutableSet new];
for (NSString * file in downloadFiles) { for (NSString * file in downloadFiles) {
[fullSet addObject:file];
if (![self.knownFiles containsObject:file]) { if (![self.knownFiles containsObject:file]) {
if (sendEvents) { if (sendEvents) {
[self.delegate watcher:self observedNewFileAtPath:file]; [self.delegate watcher:self observedNewFileAtPath:file];
} }
[self.knownFiles addObject:file];
} }
} }
self.knownFiles = fullSet;
} }
@end @end