Created
January 10, 2018 03:33
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Obj-C delay send message.
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| @interface RBSComboTask : NSObject | |
| { | |
| @private | |
| dispatch_block_t _handlerBlock; | |
| BOOL _waitingTask; | |
| } | |
| - (void)performDelay:(NSTimeInterval)time handlerBlock:(nonnull dispatch_block_t)handlerBlock; | |
| - (void)stopCallCompletionIfNecessary:(BOOL)callCompletion; | |
| @end | |
| @implementation RBSComboTask | |
| - (void)_cleanDeon { | |
| _waitingTask = NO; | |
| _handlerBlock = nil; | |
| } | |
| - (void)_callTargetHandler { | |
| if (_handlerBlock) | |
| _handlerBlock(); | |
| [self _cleanDeon]; | |
| } | |
| - (void)performDelay:(NSTimeInterval)time handlerBlock:(nonnull dispatch_block_t)handlerBlock { | |
| [self stopCallCompletionIfNecessary:NO]; | |
| _waitingTask = YES; | |
| _handlerBlock = handlerBlock; | |
| [self performSelector:@selector(_callTargetHandler) withObject:nil afterDelay:time]; | |
| } | |
| - (void)stopCallCompletionIfNecessary:(BOOL)callCompletion { | |
| [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(_callTargetHandler) object:nil]; | |
| if (callCompletion) | |
| [self _callTargetHandler]; | |
| else | |
| [self _cleanDeon]; | |
| } | |
| - (void)dealloc { | |
| [self stopCallCompletionIfNecessary:NO]; | |
| } | |
| @end |
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