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perform a block in a background thread, and call a completion block on the main thread when its done.
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| // | |
| // NSObject+RFExtensions.h | |
| // | |
| // Created by brandon on 10/5/12. | |
| // Modified by Marco Masser on 2012-10-11 | |
| // Copyright (c) 2012 redf.net. All rights reserved. | |
| // | |
| #import <Foundation/Foundation.h> | |
| typedef void (^RFObjectPerformBlock)(void); | |
| @interface NSObject (RFExtensions) | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionBlockOnMainQueue:(RFObjectPerformBlock)completionBlock; | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock; | |
| - (void)performOnQueue:(dispatch_queue_t)performQueue block:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock; | |
| @end |
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| // | |
| // NSObject+RFExtensions.m | |
| // | |
| // Created by brandon on 10/5/12. | |
| // Modified by Marco Masser on 2012-10-11 | |
| // Copyright (c) 2012 redf.net. All rights reserved. | |
| // | |
| #import "NSObject+RFExtensions.h" | |
| @implementation NSObject (RFExtensions) | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionBlockOnMainQueue:(RFObjectPerformBlock)completionBlock | |
| { | |
| [self performOnQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) | |
| block:performBlock | |
| completionQueue:dispatch_get_main_queue() | |
| completionBlock:completionBlock]; | |
| } | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock | |
| { | |
| [self performOnQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) | |
| block:performBlock | |
| completionQueue:completionQueue | |
| completionBlock:completionBlock]; | |
| } | |
| - (void)performOnQueue:(dispatch_queue_t)performQueue block:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock | |
| { | |
| dispatch_async(performQueue, ^{ | |
| performBlock(); | |
| dispatch_async(completionQueue, ^{ | |
| completionBlock(); | |
| }); | |
| }); | |
| } | |
| @end |
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| // | |
| // NSObject+RFExtensions.h | |
| // | |
| // Created by brandon on 10/5/12. | |
| // Modified by Marco Masser on 2012-10-11 | |
| // Copyright (c) 2012 redf.net. All rights reserved. | |
| // | |
| #import <Foundation/Foundation.h> | |
| typedef void (^RFObjectPerformBlock)(void); | |
| @interface NSObject (RFExtensions) | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionBlockOnMainQueue:(RFObjectPerformBlock)completionBlock; | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock; | |
| - (void)performOnQueue:(dispatch_queue_t)performQueue block:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock; | |
| @end |
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| // | |
| // NSObject+RFExtensions.m | |
| // | |
| // Created by brandon on 10/5/12. | |
| // Modified by Marco Masser on 2012-10-11 | |
| // Copyright (c) 2012 redf.net. All rights reserved. | |
| // | |
| #import "NSObject+RFExtensions.h" | |
| @implementation NSObject (RFExtensions) | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionBlockOnMainQueue:(RFObjectPerformBlock)completionBlock | |
| { | |
| [self performOnQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) | |
| block:performBlock | |
| completionQueue:dispatch_get_main_queue() | |
| completionBlock:completionBlock]; | |
| } | |
| - (void)performBlockInBackground:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock | |
| { | |
| [self performOnQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) | |
| block:performBlock | |
| completionQueue:completionQueue | |
| completionBlock:completionBlock]; | |
| } | |
| - (void)performOnQueue:(dispatch_queue_t)performQueue block:(RFObjectPerformBlock)performBlock completionQueue:(dispatch_queue_t)completionQueue completionBlock:(RFObjectPerformBlock)completionBlock | |
| { | |
| [self retain]; | |
| dispatch_async(performQueue, ^{ | |
| performBlock(); | |
| dispatch_async(completionQueue, ^{ | |
| completionBlock(); | |
| [self autorelease]; | |
| }); | |
| }); | |
| } | |
| @end |
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