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January 6, 2012 18:28
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Cancelable Scheduled Blocks in Objective-C
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Copyright (c) 2013 Jamz Tang <jamz@jamztang.com> | |
Permission is hereby granted, free of charge, to any person obtaining a copy | |
of this software and associated documentation files (the "Software"), to deal | |
in the Software without restriction, including without limitation the rights | |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
copies of the Software, and to permit persons to whom the Software is furnished | |
to do so, subject to the following conditions: | |
The above copyright notice and this permission notice shall be included in all | |
copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
THE SOFTWARE. |
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/* | |
* This file is part of the http://ioscodesnippet.com | |
* (c) Jamz Tang <jamz@jamztang.com> | |
* | |
* For the full copyright and license information, please view the LICENSE | |
* file that was distributed with this source code. | |
*/ | |
#import <Foundation/Foundation.h> | |
@interface NSObject (JTCancelableScheduledBlock) | |
- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay; | |
- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay cancelPreviousRequest:(BOOL)cancel; | |
@end |
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/* | |
* This file is part of the http://ioscodesnippet.com | |
* (c) Jamz Tang <jamz@jamztang.com> | |
* | |
* For the full copyright and license information, please view the LICENSE | |
* file that was distributed with this source code. | |
*/ | |
#import "NSObject-JTCancelableScheduledBlock.h" | |
@implementation NSObject (JTCancelableScheduledBlock) | |
- (void)delayedAddOperation:(NSOperation *)operation { | |
[[NSOperationQueue currentQueue] addOperation:operation]; | |
} | |
- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay { | |
[self performSelector:@selector(delayedAddOperation:) | |
withObject:[NSBlockOperation blockOperationWithBlock:block] | |
afterDelay:delay]; | |
} | |
- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay cancelPreviousRequest:(BOOL)cancel { | |
if (cancel) { | |
[NSObject cancelPreviousPerformRequestsWithTarget:self]; | |
} | |
[self performBlock:block afterDelay:delay]; | |
} | |
@end |
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Pod::Spec.new do |s| | |
s.name = "NSObject-JTCancelableScheduledBlock" | |
s.version = "0.0.1" | |
s.summary = "Cancelable Scheduled Blocks in Objective-C" | |
s.homepage = "https://gist.github.com/jamztang/1571800" | |
s.author = { "Jamz Tang" => "jamz@jamztang.com" } | |
s.platform = :ios | |
s.source = { :git => "git://gist.github.com/1571800.git", :tag => '0.0.1' } | |
s.requires_arc = false | |
s.source_files = '*.{h,m}' | |
s.license = { :type => 'MIT', :file => 'LICENSE' } | |
end |
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