mirror of
https://github.com/gnustep/libs-base.git
synced 2025-04-26 10:11:03 +00:00
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
|
/* 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 */
|