Refactored networking logic out into RCTDownloadTask

Libraries/Network/RCTDownloadTask.h

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "RCTURLRequestDelegate.h"
+#import "RCTURLRequestHandler.h"
+
+typedef void (^RCTURLRequestCompletionBlock)(NSURLResponse *response, NSData *data, NSError *error);
+typedef void (^RCTURLRequestCancellationBlock)(void);
+typedef void (^RCTURLRequestIncrementalDataBlock)(NSData *data);
+typedef void (^RCTURLRequestProgressBlock)(double progress, double total);
+typedef void (^RCTURLRequestResponseBlock)(NSURLResponse *response);
+
+@interface RCTDownloadTask : NSObject <RCTURLRequestDelegate>
+
+@property (nonatomic, readonly) NSURLRequest *request;
+@property (nonatomic, readonly) NSNumber *requestID;
+@property (nonatomic, readonly) id requestToken;
+@property (nonatomic, readonly) NSURLResponse *response;
+@property (nonatomic, readonly) RCTURLRequestCompletionBlock completionBlock;
+
+@property (nonatomic, copy) RCTURLRequestProgressBlock downloadProgressBlock;
+@property (nonatomic, copy) RCTURLRequestIncrementalDataBlock incrementalDataBlock;
+@property (nonatomic, copy) RCTURLRequestResponseBlock responseBlock;
+@property (nonatomic, copy) RCTURLRequestProgressBlock uploadProgressBlock;
+
+- (instancetype)initWithRequest:(NSURLRequest *)request
+                        handler:(id<RCTURLRequestHandler>)handler
+                completionBlock:(RCTURLRequestCompletionBlock)completionBlock NS_DESIGNATED_INITIALIZER;
+
+- (void)cancel;
+
+@end