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don't use __weak for completionBlocks. (Issue #414)

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We nil out the completionBlock manually in AFURLConnectionOperation. Using __weak here potentially doesn't call the set completion blocks.
Restores iOS4 compatibility. Also shortens inline ifs with a ternary conditional(?:).
This commit is contained in:
Peter Steinberger 2012-07-16 19:21:30 +02:00
parent 2b2317907e
commit fefd1a77ff
6 changed files with 61 additions and 50 deletions
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2
AFNetworking/AFHTTPClient.m
View file

@ -570,7 +570,7 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {
for (AFHTTPRequestOperation *operation in operations) {
AFCompletionBlock originalCompletionBlock = [operation.completionBlock copy];
operation.completionBlock = ^{
dispatch_queue_t queue = operation.successCallbackQueue ? operation.successCallbackQueue : dispatch_get_main_queue();
dispatch_queue_t queue = operation.successCallbackQueue ?: dispatch_get_main_queue();
dispatch_group_async(dispatchGroup, queue, ^{
if (originalCompletionBlock) {
originalCompletionBlock();

17
AFNetworking/AFHTTPRequestOperation.m
View file

@ -222,26 +222,29 @@ NSString * AFCreateIncompleteDownloadDirectoryPath(void) {
- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
{
__weak AFHTTPRequestOperation *weakSelf = self;
// completion block is manually nilled out in AFURLConnectionOperation to break the retain cycle.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-retain-cycles"
self.completionBlock = ^ {
if ([weakSelf isCancelled]) {
if ([self isCancelled]) {
return;
}
if (weakSelf.error) {
if (self.error) {
if (failure) {
dispatch_async(weakSelf.failureCallbackQueue ? weakSelf.failureCallbackQueue : dispatch_get_main_queue(), ^{
failure(weakSelf, weakSelf.error);
dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
failure(self, self.error);
});
}
} else {
if (success) {
dispatch_async(weakSelf.successCallbackQueue ? weakSelf.successCallbackQueue : dispatch_get_main_queue(), ^{
success(weakSelf, weakSelf.responseData);
dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
success(self, self.responseData);
});
}
}
};
#pragma clang diagnostic pop
}
- (void)setResponseFilePath:(NSString *)responseFilePath {

24
AFNetworking/AFImageRequestOperation.m
View file

@ -82,7 +82,7 @@ static dispatch_queue_t image_request_operation_processing_queue() {
dispatch_async(image_request_operation_processing_queue(), ^(void) {
UIImage *processedImage = imageProcessingBlock(image);
dispatch_async(requestOperation.successCallbackQueue ? requestOperation.successCallbackQueue : dispatch_get_main_queue(), ^(void) {
dispatch_async(requestOperation.successCallbackQueue ?: dispatch_get_main_queue(), ^(void) {
success(operation.request, operation.response, processedImage);
});
});
@ -113,7 +113,7 @@ static dispatch_queue_t image_request_operation_processing_queue() {
dispatch_async(image_request_operation_processing_queue(), ^(void) {
NSImage *processedImage = imageProcessingBlock(image);
dispatch_async(requestOperation.successCallbackQueue ? requestOperation.successCallbackQueue : dispatch_get_main_queue(), ^(void) {
dispatch_async(requestOperation.successCallbackQueue ?: dispatch_get_main_queue(), ^(void) {
success(operation.request, operation.response, processedImage);
});
});
@ -197,17 +197,18 @@ static dispatch_queue_t image_request_operation_processing_queue() {
- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
{
__weak AFImageRequestOperation *weakSelf = self;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-retain-cycles"
self.completionBlock = ^ {
if ([weakSelf isCancelled]) {
if ([self isCancelled]) {
return;
}
dispatch_async(image_request_operation_processing_queue(), ^(void) {
if (weakSelf.error) {
if (self.error) {
if (failure) {
dispatch_async(weakSelf.failureCallbackQueue ? weakSelf.failureCallbackQueue : dispatch_get_main_queue(), ^{
failure(weakSelf, weakSelf.error);
dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
failure(self, self.error);
});
}
} else {
@ -218,15 +219,16 @@ static dispatch_queue_t image_request_operation_processing_queue() {
NSImage *image = nil;
#endif
image = weakSelf.responseImage;
image = self.responseImage;
dispatch_async(weakSelf.successCallbackQueue ? weakSelf.successCallbackQueue : dispatch_get_main_queue(), ^{
success(weakSelf, image);
dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
success(self, image);
});
}
}
});
};
};
#pragma clang diagnostic pop
}
@end

26
AFNetworking/AFJSONRequestOperation.m
View file

@ -96,38 +96,40 @@ static dispatch_queue_t json_request_operation_processing_queue() {
- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
{
__weak AFJSONRequestOperation *weakSelf = self;
self.completionBlock = ^ {
if ([weakSelf isCancelled]) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-retain-cycles"
self.completionBlock = ^ {
if ([self isCancelled]) {
return;
}
if (weakSelf.error) {
if (self.error) {
if (failure) {
dispatch_async(weakSelf.failureCallbackQueue ? weakSelf.failureCallbackQueue : dispatch_get_main_queue(), ^{
failure(weakSelf, weakSelf.error);
dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
failure(self, self.error);
});
}
} else {
dispatch_async(json_request_operation_processing_queue(), ^{
id JSON = weakSelf.responseJSON;
id JSON = self.responseJSON;
if (self.JSONError) {
if (failure) {
dispatch_async(weakSelf.failureCallbackQueue ? weakSelf.failureCallbackQueue : dispatch_get_main_queue(), ^{
failure(weakSelf, weakSelf.error);
dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
failure(self, self.error);
});
}
} else {
if (success) {
dispatch_async(weakSelf.successCallbackQueue ? weakSelf.successCallbackQueue : dispatch_get_main_queue(), ^{
success(weakSelf, JSON);
dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
success(self, JSON);
});
}
}
});
}
};
};
#pragma clang diagnostic pop
}
@end

24
AFNetworking/AFPropertyListRequestOperation.m
View file

@ -106,38 +106,40 @@ static dispatch_queue_t property_list_request_operation_processing_queue() {
- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
{
__weak AFPropertyListRequestOperation *weakSelf = self;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-retain-cycles"
self.completionBlock = ^ {
if ([weakSelf isCancelled]) {
if ([self isCancelled]) {
return;
}
if (weakSelf.error) {
if (self.error) {
if (failure) {
dispatch_async(weakSelf.failureCallbackQueue ? weakSelf.failureCallbackQueue : dispatch_get_main_queue(), ^{
failure(weakSelf, weakSelf.error);
dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
failure(self, self.error);
});
}
} else {
dispatch_async(property_list_request_operation_processing_queue(), ^(void) {
id propertyList = weakSelf.responsePropertyList;
id propertyList = self.responsePropertyList;
if (self.propertyListError) {
if (failure) {
dispatch_async(weakSelf.failureCallbackQueue ? weakSelf.failureCallbackQueue : dispatch_get_main_queue(), ^{
failure(weakSelf, weakSelf.error);
dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
failure(self, self.error);
});
}
} else {
if (success) {
dispatch_async(weakSelf.successCallbackQueue ? weakSelf.successCallbackQueue : dispatch_get_main_queue(), ^{
success(weakSelf, propertyList);
dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
success(self, propertyList);
});
}
}
});
}
};
};
#pragma clang diagnostic pop
}
@end

18
AFNetworking/AFXMLRequestOperation.m
View file

@ -138,30 +138,32 @@ static dispatch_queue_t xml_request_operation_processing_queue() {
- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
{
__weak AFXMLRequestOperation *weakSelf = self;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-retain-cycles"
self.completionBlock = ^ {
if ([weakSelf isCancelled]) {
if ([self isCancelled]) {
return;
}
dispatch_async(xml_request_operation_processing_queue(), ^(void) {
NSXMLParser *XMLParser = weakSelf.responseXMLParser;
NSXMLParser *XMLParser = self.responseXMLParser;
if (self.error) {
if (failure) {
dispatch_async(weakSelf.failureCallbackQueue ? weakSelf.failureCallbackQueue : dispatch_get_main_queue(), ^{
failure(weakSelf, weakSelf.error);
dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
failure(self, self.error);
});
}
} else {
if (success) {
dispatch_async(weakSelf.successCallbackQueue ? weakSelf.successCallbackQueue : dispatch_get_main_queue(), ^{
success(weakSelf, XMLParser);
dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
success(self, XMLParser);
});
}
}
});
};
};
#pragma clang diagnostic pop
}
@end