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Thread safe creation and canceling of download tasks

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fixes #364
This commit is contained in:
Ryan Nystrom
2015-03-09 17:57:47 -07:00
parent a40c8172ac
commit db8bbcfd0e
6 changed files with 237 additions and 52 deletions
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14
AsyncDisplayKit/ASNetworkImageNode.mm
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@@ -241,17 +241,11 @@
}
};
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[_cache fetchCachedImageWithURL:_URL
callbackQueue:dispatch_get_main_queue()
completion:cacheCompletion];
});
[_cache fetchCachedImageWithURL:_URL
callbackQueue:dispatch_get_main_queue()
completion:cacheCompletion];
} else {
// NSURLSessionDownloadTask will do file I/O to create a temp directory. If called on the main thread this
// will cause significant performance issues.
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self _downloadImageWithCompletion:finished];
});
[self _downloadImageWithCompletion:finished];
}
}
}