63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
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/* =============================================================================
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FILE: UKFileWatcher.h
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PROJECT: Filie
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COPYRIGHT: (c) 2005 M. Uli Kusterer, all rights reserved.
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AUTHORS: M. Uli Kusterer - UK
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LICENSES: MIT License
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REVISIONS:
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2006-03-13 UK Moved notification constants to .m file.
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2005-02-25 UK Created.
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========================================================================== */
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/*
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This is a protocol that file change notification classes should adopt.
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That way, no matter whether you use Carbon's FNNotify/FNSubscribe, BSD's
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kqueue or whatever, the object being notified can react to change
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notifications the same way, and you can easily swap one out for the other
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to cater to different OS versions, target volumes etc.
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*/
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// -----------------------------------------------------------------------------
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// Protocol:
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// -----------------------------------------------------------------------------
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@protocol UKFileWatcher
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// +(id) sharedFileWatcher; // Singleton accessor. Not officially part of the protocol, but use this name if you provide a singleton.
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-(void) addPath: (NSString*)path;
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-(void) removePath: (NSString*)path;
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-(id) delegate;
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-(void) setDelegate: (id)newDelegate;
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@end
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// -----------------------------------------------------------------------------
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// Methods delegates need to provide:
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// -----------------------------------------------------------------------------
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@interface NSObject (UKFileWatcherDelegate)
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-(void) watcher: (id<UKFileWatcher>)kq receivedNotification: (NSString*)nm forPath: (NSString*)fpath;
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@end
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// Notifications this sends:
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/* object = the file watcher object
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userInfo.path = file path watched
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These notifications are sent via the NSWorkspace notification center */
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extern NSString* UKFileWatcherRenameNotification;
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extern NSString* UKFileWatcherWriteNotification;
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extern NSString* UKFileWatcherDeleteNotification;
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extern NSString* UKFileWatcherAttributeChangeNotification;
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extern NSString* UKFileWatcherSizeIncreaseNotification;
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extern NSString* UKFileWatcherLinkCountChangeNotification;
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extern NSString* UKFileWatcherAccessRevocationNotification;
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