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/* Interface for Objective-C "collection of delegates" object
Copyright (C) 1993,1994 Free Software Foundation, Inc.
Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
Date: May 1993
This file is part of the GNU Objective C Class 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Using this object, a delegator can have an arbitrary number of
delegates. Send a message to this object and the message will get
forwarded to the delegates on the list. */
#ifndef __DelegatePool_h_OBJECTS_INCLUDE
#define __DelegatePool_h_OBJECTS_INCLUDE
#include <objects/stdobjects.h>
#include <objects/Array.h>
/* Available sending behaviors */
enum DelegatePoolSendBehavior {SEND_TO_ALL = 0,
SEND_TO_FIRST_RESPONDER,
SEND_UNTIL_YES,
SEND_UNTIL_NO};
@interface DelegatePool
{
struct objc_class *isa;
@public
unsigned char _send_behavior;
Array *_list;
}
// CREATING AND FREEING;
+ alloc;
+ new;
- init;
- free;
// MANIPULATING COLLECTION OF DELEGATES;
- delegatePoolAddObject: anObject;
- delegatePoolAddObjectIfAbsent: anObject;
- delegatePoolRemoveObject: anObject;
- (BOOL) delegatePoolIncludesObject: anObject;
- delegatePoolCollection;
- (unsigned char) delegatePoolSendBehavior;
- delegatePoolSetSendBehavior: (unsigned char)b;
// FOR PASSING ALL OTHER MESSAGES TO DELEGATES;
- forward:(SEL)aSel :(arglist_t)argFrame;
@end
#endif /* __DelegatePool_h_OBJECTS_INCLUDE */
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