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Merge pull request #205 from facebook/image-load-blocking

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Dispatch lazy image downloaders to another thread
This commit is contained in:
Nadine Salter 2015-01-07 16:36:19 -08:00
commit 42f801f269
1 changed files with 10 additions and 4 deletions
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14
AsyncDisplayKit/ASNetworkImageNode.mm
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@ -234,11 +234,17 @@
}
};
[_cache fetchCachedImageWithURL:_URL
callbackQueue:dispatch_get_main_queue()
completion:cacheCompletion];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[_cache fetchCachedImageWithURL:_URL
callbackQueue:dispatch_get_main_queue()
completion:cacheCompletion];
});
} else {
[self _downloadImageWithCompletion:finished];
// 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];
});
}
}
}