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XMPPMulticastDelegate: Handle modifications of the delegates array

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This commit is contained in:
Florian Zeitz 2013-03-26 23:58:22 +01:00
parent aa5109a788
commit 61654304ed
2 changed files with 28 additions and 14 deletions
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1
src/XMPPMulticastDelegate.h
View file

@ -30,6 +30,7 @@
@interface XMPPMulticastDelegate: OFObject
{
OFDataArray *_delegates;
size_t handlerIndex;
}
/**

37
src/XMPPMulticastDelegate.m
View file

@ -61,28 +61,36 @@
size_t i, count = [_delegates count];
for (i = 0; i < count; i++) {
if (items[i] == delegate) {
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];
size_t i, count = [_delegates count];
BOOL handled = NO;
for (i = 0; i < count; i++) {
if (![items[i] respondsToSelector: selector])
for (handlerIndex = 0; handlerIndex < count; handlerIndex++) {
id responder = items[handlerIndex];
if (![responder respondsToSelector: selector])
continue;
BOOL (*imp)(id, SEL, id) = (BOOL(*)(id, SEL, id))
[items[i] methodForSelector: selector];
[responder methodForSelector: selector];
handled |= imp(items[i], selector, object);
handled |= imp(responder, selector, object);
// Update count and items, since the handler might have
// changed them.
count = [_delegates count];
items = [_delegates items];
}
return handled;
@ -92,18 +100,23 @@
withObject: (id)object1
withObject: (id)object2
{
size_t count = [_delegates count];
id *items = [_delegates items];
size_t i, count = [_delegates count];
BOOL handled = NO;
for (i = 0; i < count; i++) {
if (![items[i] respondsToSelector: selector])
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))
[items[i] methodForSelector: selector];
[responder methodForSelector: selector];
handled |= imp(items[i], selector, object1, object2);
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;