//

 //  MYDirectoryWatcher.h

 //  Murky

 //

 //  Copyright 2008 Jens Alfke. All rights reserved.

 //

 #import <Cocoa/Cocoa.h>

 /* A wrapper for FSEvents, which notifies its delegate when filesystem changes occur. */

 @interface MYDirectoryWatcher : NSObject 

 {

     NSString *_path;

     id _target;

     SEL _action;

     UInt64 _lastEventID;

     BOOL _historyDone;

     CFTimeInterval _latency;

     FSEventStreamRef _stream;

 }

 - (id) initWithDirectory: (NSString*)path target: (id)target action: (SEL)action;

 @property (readonly,nonatomic) NSString* path;

 @property UInt64 lastEventID;

 @property CFTimeInterval latency;

 - (BOOL) start;

 - (void) pause;

 - (void) stop;

 - (void) stopTemporarily;               // stop, but re-start on next runloop cycle

 @end

 @interface MYDirectoryEvent : NSObject

 {

     MYDirectoryWatcher *watcher;

     NSString *path;

     UInt64 eventID;

     UInt32 flags;

 }

 @property (readonly, nonatomic) MYDirectoryWatcher *watcher;

 @property (readonly, nonatomic) NSString *path, *relativePath;

 @property (readonly, nonatomic) UInt64 eventID;

 @property (readonly, nonatomic) UInt32 flags;

 @property (readonly, nonatomic) BOOL mustScanSubdirectories;

 @property (readonly, nonatomic) BOOL eventsWereDropped;

 @property (readonly, nonatomic) BOOL isHistorical;   

 @property (readonly, nonatomic) BOOL rootChanged;

 @end