Re: Is there another way to do performSelectorOnMainThread?

Subject: Re: Is there another way to do performSelectorOnMainThread?
From: Shaun Wexler <email@hidden>
Date: Fri, 30 Jun 2006 12:59:07 -0700
Delivered-to: email@hidden
Delivered-to: email@hidden

On Jun 30, 2006, at 10:20 AM, Jerrod Fowkes wrote:

JAnd a real pain! After using NSInvocation a few times, I realized "Why am I putting myself through this torture?"


Allow me to relieve you...  ;)

@interface SKWMainThreadProxy : NSProxy
{
    id realObject;
    BOOL isAsync;
}

- (id)initWithObject:(id)object isAsync:(BOOL)async;

@end

@implementation SKWMainThreadProxy

- (id)initWithObject:(id)object isAsync:(BOOL)async
{
    realObject = [object retain];
    isAsync = async;
    return self;
}

- (void)dealloc
{
    [realObject release];
    [super dealloc];
}

- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector
{
    return [realObject methodSignatureForSelector:selector];
}

- (void)forwardInvocation:(NSInvocation *)invocation
{
    [invocation setTarget:realObject];

if (pthread_main_np()) { [invocation invoke]; } else { [invocation retainArguments]; if (!isAsync) { [invocation performSelectorOnMainThread:@selector (invoke) withObject:nil waitUntilDone:YES]; } else { [self performSelectorOnMainThread:@selector(invoke:) withObject:invocation waitUntilDone:NO]; } } }

- (void)invoke:(NSInvocation *)invocation
{
    [invocation invoke];
}

+ (NSString *)description { return [[super description] stringByAppendingString:@"_SKWMainThreadProxy"]; }

- (NSString *)description
{
    return [realObject description];
}

@end

--
Shaun Wexler
MacFOH
http://www.macfoh.com

"No problem is so formidable that you can't walk away from it." - Charles Schulz


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References:  
  >Re: Is there another way to do performSelectorOnMainThread? (From: Jerrod Fowkes <email@hidden>)




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References:
	>Re: Is there another way to do performSelectorOnMainThread? (From: Jerrod Fowkes <email@hidden>)