/* Interface of NSDistributedNotificationCenter class
   Copyright (C) 1998 Free Software Foundation, Inc.

   Written by:  Richard Frith-Macdonald <richard@brainstorm.co.uk>
   Created: October 1998

   H.N.Schaller, Dec 2005 - API revised to be compatible to 10.4

   This file is part of the GNUstep Base Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
   */

#ifndef __NSDistributedNotificationCenter_h_GNUSTEP_BASE_INCLUDE
#define __NSDistributedNotificationCenter_h_GNUSTEP_BASE_INCLUDE

#import <Foundation/NSObject.h>
#import <Foundation/NSLock.h>
#import <Foundation/NSNotification.h>

typedef enum _NSNotificationSuspensionBehavior
{
	NSNotificationSuspensionBehaviorDrop,
	NSNotificationSuspensionBehaviorCoalesce,
	NSNotificationSuspensionBehaviorHold,
	NSNotificationSuspensionBehaviorDeliverImmediately
} NSNotificationSuspensionBehavior;

enum
{
	NSNotificationDeliverImmediately=0x01,
	NSNotificationPostToAllSessions=0x02
};

NSString *NSLocalNotificationCenterType;
#ifdef NO_GNUSTEP
NSString *GSNetworkNotificationCenterType;
#endif

@interface NSDistributedNotificationCenter : NSNotificationCenter
{
	NSRecursiveLock *_centerLock;	/* For thread safety.		*/
	NSString		*_type;			/* Type of notification center.	*/
	id				_remote;		/* Proxy for center.		*/
	BOOL			_suspended;		/* Is delivery suspended?	*/
}

+ (NSNotificationCenter*) defaultCenter;
+ (NSNotificationCenter*) notificationCenterForType: (NSString*)type;

- (void) addObserver: (id)anObserver
			selector: (SEL)aSelector
				name: (NSString*)notificationName
			  object: (NSString*)anObject;
- (void) addObserver: (id)anObserver
			selector: (SEL)aSelector
				name: (NSString*)notificationName
			  object: (NSString*)anObject
  suspensionBehavior: (NSNotificationSuspensionBehavior)suspensionBehavior;
- (void) postNotificationName: (NSString*)notificationName
					   object: (NSString*)anObject;
- (void) postNotificationName: (NSString*)notificationName
					   object: (NSString*)anObject
					 userInfo: (NSDictionary*)userInfo;
- (void) postNotificationName: (NSString*)notificationName
					   object: (NSString*)anObject
					 userInfo: (NSDictionary*)userInfo
		   deliverImmediately: (BOOL)deliverImmediately;
- (void) postNotificationName:(NSString *)name
					   object:(NSString *)anObject
					 userInfo:(NSDictionary *)userInfo
					  options:(unsigned)options;
- (void) removeObserver: (id)anObserver
				   name: (NSString*)notificationName
				 object: (NSString*)anObject;
- (void) setSuspended: (BOOL)flag;
- (BOOL) suspended;

@end

#endif

