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Wrapping JSON and image processing in GCD async dispatch

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This commit is contained in:
Mattt Thompson 2011-08-09 14:53:23 -05:00
parent 662af980c3
commit f9073df97b
2 changed files with 45 additions and 39 deletions
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4
AFNetworking/AFImageRequestOperation.m
View file

@ -47,6 +47,7 @@ static inline CGSize kAFImageRequestRoundedCornerRadii(CGSize imageSize) {
success:(void (^)(UIImage *image))success success:(void (^)(UIImage *image))success
{ {
return [self operationWithRequest:urlRequest completion:^(NSURLRequest *request, NSHTTPURLResponse *response, NSData *data, NSError *error) { return [self operationWithRequest:urlRequest completion:^(NSURLRequest *request, NSHTTPURLResponse *response, NSData *data, NSError *error) {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
UIImage *image = nil; UIImage *image = nil;
if ([[UIScreen mainScreen] scale] == 2.0) { if ([[UIScreen mainScreen] scale] == 2.0) {
CGImageRef imageRef = [[UIImage imageWithData:data] CGImage]; CGImageRef imageRef = [[UIImage imageWithData:data] CGImage];
@ -62,11 +63,12 @@ static inline CGSize kAFImageRequestRoundedCornerRadii(CGSize imageSize) {
image = [UIImage imageByRoundingCornersOfImage:image corners:UIRectCornerAllCorners cornerRadii:kAFImageRequestRoundedCornerRadii(image.size)]; image = [UIImage imageByRoundingCornersOfImage:image corners:UIRectCornerAllCorners cornerRadii:kAFImageRequestRoundedCornerRadii(image.size)];
} }
dispatch_sync(dispatch_get_main_queue(), ^(void) {
if (success) { if (success) {
success(image); success(image);
} }
});
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
[[AFImageCache sharedImageCache] cacheImage:image forRequest:request imageSize:imageSize options:options]; [[AFImageCache sharedImageCache] cacheImage:image forRequest:request imageSize:imageSize options:options];
}); });
}]; }];

10
AFNetworking/AFJSONRequestOperation.m
View file

@ -62,18 +62,20 @@
failure(error); failure(error);
} }
} else { } else {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
id JSON = nil; id JSON = nil;
#if __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_4_3 #if __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_4_3
if ([NSJSONSerialization class]) { if ([NSJSONSerialization class]) {
JSON = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error]; JSON = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
} else { } else {
JSON = [[JSONDecoder decoder] objectWithData:data error:&error]; JSON = [[JSONDecoder decoder] objectWithData:data error:&error];
} }
#else #else
JSON = [[JSONDecoder decoder] objectWithData:data error:&error]; JSON = [[JSONDecoder decoder] objectWithData:data error:&error];
#endif #endif
dispatch_sync(dispatch_get_main_queue(), ^(void) {
if (error) { if (error) {
if (failure) { if (failure) {
failure(error); failure(error);
@ -83,6 +85,8 @@
success(JSON); success(JSON);
} }
} }
});
});
} }
}]; }];
} }