99 lines
2.9 KiB
Objective-C
99 lines
2.9 KiB
Objective-C
#import "SMMainThread.h"
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#import <stdarg.h>
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@interface SMMainThread (SMMainThreadPrivate)
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- (void) perform;
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@end
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@implementation SMMainThread (SMMainThreadPrivate)
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- (void) perform
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{
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[actions makeObjectsPerformSelector:@selector(invoke)];
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}
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@end
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@implementation SMMainThread
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- (id) init
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{
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[super init];
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actions = [[NSMutableArray alloc] init];
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return self;
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}
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- (void) dealloc
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{
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[actions release];
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[super dealloc];
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}
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- (void) addAction:(SEL)sel withTarget:(id)target
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{
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[self addAction:sel withTarget:target andNumObjects:0];
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}
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- (void) addAction:(SEL)sel withTarget:(id)target andObject:(id)object
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{
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[self addAction:sel withTarget:target andNumObjects:1, &object];
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}
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- (void) addAction:(SEL)sel withTarget:(id)target andBool:(BOOL)b
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{
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[self addAction:sel withTarget:target andNumObjects:1, &b];
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}
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- (void) addAction:(SEL)sel withTarget:(id)target andNumObjects:(int)num, ...
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{
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NSMethodSignature *sig = [target methodSignatureForSelector:sel];
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NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:sig];
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int i;
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va_list ap;
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[invocation setTarget:target];
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[invocation setSelector:sel];
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va_start( ap, num );
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for( i = 0; i < num; ++i )
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{
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// The first two arguments are self and _cmd.
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[invocation setArgument:va_arg(ap, id) atIndex:i+2];
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}
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va_end( ap );
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[actions addObject:invocation];
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}
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- (void) performOnMainThread
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{
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if( ![actions count] )
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return;
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/* This can be done with an NSInvocation without the need for - (void) perform
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* but it just makes this complex and confusing. */
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[self performSelectorOnMainThread:@selector(perform) withObject:nil waitUntilDone:YES];
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[actions removeAllObjects];
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}
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@end
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/*
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* (c) 2006 Steve Checkoway
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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