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Merge pull request #929 from kirualex/patch-2 

Handle empty urls NSArray
This commit is contained in:
Olivier Poitrey 2014-10-14 07:14:45 -07:00
parent 2233b5e77d 98082a6791
commit d2da4d0df4
1 changed files with 10 additions and 4 deletions
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14
SDWebImage/SDWebImagePrefetcher.m
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@ -120,10 +120,16 @@
self.completionBlock = completionBlock; self.completionBlock = completionBlock;
self.progressBlock = progressBlock; self.progressBlock = progressBlock;
// Starts prefetching from the very first image on the list with the max allowed concurrency if(urls.count == 0){
NSUInteger listCount = self.prefetchURLs.count; if(completionBlock){
for (NSUInteger i = 0; i < self.maxConcurrentDownloads && self.requestedCount < listCount; i++) { completionBlock(0,0);
[self startPrefetchingAtIndex:i]; }
}else{
// Starts prefetching from the very first image on the list with the max allowed concurrency
NSUInteger listCount = self.prefetchURLs.count;
for (NSUInteger i = 0; i < self.maxConcurrentDownloads && self.requestedCount < listCount; i++) {
[self startPrefetchingAtIndex:i];
}
} }
} }