/*
* Copyright (c) 2012, Jonathan Schleifer <js@webkeks.org>
*
* https://webkeks.org/git/?p=objxmpp.git
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#import <ObjFW/OFDataArray.h>
#import "XMPPMulticastDelegate.h"
@implementation XMPPMulticastDelegate
- init
{
self = [super init];
@try {
_delegates = [[OFDataArray alloc] initWithItemSize: sizeof(id)];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_delegates release];
[super dealloc];
}
- (void)addDelegate: (id)delegate
{
[_delegates addItem: &delegate];
}
- (void)removeDelegate: (id)delegate
{
id *items = [_delegates items];
size_t i, count = [_delegates count];
for (i = 0; i < count; i++) {
if (items[i] != delegate)
continue;
[_delegates removeItemAtIndex: i];
if (i <= handlerIndex)
handlerIndex--;
return;
}
}
- (BOOL)broadcastSelector: (SEL)selector
withObject: (id)object
{
size_t count = [_delegates count];
id *items = [_delegates items];
BOOL handled = NO;
for (handlerIndex = 0; handlerIndex < count; handlerIndex++) {
id responder = items[handlerIndex];
if (![responder respondsToSelector: selector])
continue;
BOOL (*imp)(id, SEL, id) = (BOOL(*)(id, SEL, id))
[responder methodForSelector: selector];
handled |= imp(responder, selector, object);
// Update count and items, since the handler might have
// changed them.
count = [_delegates count];
items = [_delegates items];
}
return handled;
}
- (BOOL)broadcastSelector: (SEL)selector
withObject: (id)object1
withObject: (id)object2
{
size_t count = [_delegates count];
id *items = [_delegates items];
BOOL handled = NO;
for (handlerIndex = 0; handlerIndex < count; handlerIndex++) {
id responder = items[handlerIndex];
if (![responder respondsToSelector: selector])
continue;
BOOL (*imp)(id, SEL, id, id) = (BOOL(*)(id, SEL, id, id))
[responder methodForSelector: selector];
handled |= imp(responder, selector, object1, object2);
// Update count and items, since the handler might have
// changed them.
count = [_delegates count];
items = [_delegates items];
}
return handled;
}
@end