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Add block-based NSTimer functionality

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This commit is contained in:
Lubos Dolezel 2021-03-03 22:32:36 +01:00
parent dfdbfeb3fc
commit 83dda11881
1 changed files with 53 additions and 4 deletions
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57
NSTimer.m
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@ -25,6 +25,7 @@ CF_PRIVATE
id target;
SEL selector;
id userInfo;
void (^block)(NSTimer*);
}
@end
@ -44,8 +45,21 @@ CF_PRIVATE
return self;
}
- (id)initWithBlock:(void (^)(NSTimer*)) aBlock
{
self = [super init];
if (self)
{
block = Block_copy(aBlock);
}
return self;
}
- (void)dealloc
{
Block_release(block);
[target release];
[userInfo release];
[super dealloc];
@ -84,9 +98,16 @@ static void __NSFireTimer(__NSCFTimer *timer, _NSTimerInfo *info)
@autoreleasepool
{
[timer retain];
[info->target retain];
[timer fire];
[info->target release];
if (info->block)
{
info->block(timer);
}
else
{
[info->target retain];
[timer fire];
[info->target release];
}
[timer release];
}
}
@ -106,7 +127,35 @@ static void __NSFireTimer(__NSCFTimer *timer, _NSTimerInfo *info)
{
ti = 0;
}
else if (ti < 0.0)
else if (ti <= 0.0)
{
ti = 0.0001; // If [ti] is less than or equal to 0.0, this method chooses the nonnegative value of 0.1 milliseconds instead.
}
id timer = (id)CFRunLoopTimerCreate(kCFAllocatorDefault, [fireDate timeIntervalSinceReferenceDate], ti, 0, 0, (void (*)(CFRunLoopTimerRef, void *))&__NSFireTimer, &ctx);
[timerInfo release];
return timer;
}
- (instancetype)initWithFireDate:(NSDate *)fireDate
interval:(NSTimeInterval)ti
repeats:(BOOL)repeats
block:(void (^)(NSTimer *))block
{
_NSTimerInfo *timerInfo = [[_NSTimerInfo alloc] initWithBlock:block];
CFRunLoopTimerContext ctx = {
.version = 0,
.info = timerInfo,
.retain = &_NSCFRetain,
.release = &_NSCFRelease,
};
if (repeats == NO)
{
ti = 0;
}
else if (ti <= 0.0)
{
ti = 0.0001; // If [ti] is less than or equal to 0.0, this method chooses the nonnegative value of 0.1 milliseconds instead.
}