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[Image] add onLoadStart, onLoadProgress, onLoadError, onLoadEnd
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/** | ||
* 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. | ||
*/ | ||
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#import <Foundation/Foundation.h> | ||
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typedef void (^RCTDataCompletionBlock)(NSURLResponse *response, NSData *data, NSError *error); | ||
typedef void (^RCTDataProgressBlock)(int64_t written, int64_t total); | ||
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@interface RCTDownloadTaskWrapper : NSObject <NSURLSessionDownloadDelegate> | ||
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@property (copy, nonatomic) RCTDataCompletionBlock completionBlock; | ||
@property (copy, nonatomic) RCTDataProgressBlock progressBlock; | ||
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- (instancetype)initWithSessionConfiguration:(NSURLSessionConfiguration *)configuration delegateQueue:(NSOperationQueue *)delegateQueue; | ||
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- (NSURLSessionDownloadTask *)downloadData:(NSURL *) url progressBlock:(RCTDataProgressBlock)progressBlock completionBlock:(RCTDataCompletionBlock)completionBlock; | ||
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@property(nonatomic,assign) id<NSURLSessionDownloadDelegate> delegate; | ||
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@end |
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/** | ||
* 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. | ||
*/ | ||
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#import "RCTDownloadTaskWrapper.h" | ||
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@implementation RCTDownloadTaskWrapper | ||
{ | ||
NSURLSession *_URLSession; | ||
} | ||
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- (instancetype)initWithSessionConfiguration:(NSURLSessionConfiguration *)configuration delegateQueue:(NSOperationQueue *)delegateQueue | ||
{ | ||
if ((self = [super init])) { | ||
_URLSession = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:nil]; | ||
} | ||
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return self; | ||
} | ||
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- (NSURLSessionDownloadTask *)downloadData:(NSURL *)url | ||
progressBlock:(RCTDataProgressBlock)progressBlock | ||
completionBlock:(RCTDataCompletionBlock)completionBlock | ||
{ | ||
self.completionBlock = completionBlock; | ||
self.progressBlock = progressBlock; | ||
NSURLSessionDownloadTask *task = [_URLSession downloadTaskWithURL:url completionHandler:nil]; | ||
[task resume]; | ||
return task; | ||
} | ||
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#pragma mark - NSURLSessionTaskDelegate methods | ||
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- (void) URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask | ||
didFinishDownloadingToURL:(NSURL *)location | ||
{ | ||
NSData *data = [NSData dataWithContentsOfURL:location]; | ||
dispatch_async(dispatch_get_main_queue(), ^{ | ||
self.completionBlock(downloadTask.response, data, nil); | ||
}); | ||
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} | ||
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- (void)URLSession:(NSURLSession *)session | ||
downloadTask:(NSURLSessionDownloadTask *)downloadTask | ||
didWriteData:(int64_t)didWriteData | ||
totalBytesWritten:(int64_t)totalBytesWritten | ||
totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite; | ||
{ | ||
dispatch_async(dispatch_get_main_queue(), ^{ | ||
if (self.progressBlock != nil) { | ||
self.progressBlock(totalBytesWritten, totalBytesExpectedToWrite); | ||
} | ||
}); | ||
} | ||
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- (void)URLSession:(NSURLSession *)session | ||
task:(NSURLSessionTask *)task | ||
didCompleteWithError:(NSError *)error | ||
{ | ||
if (error) { | ||
dispatch_async(dispatch_get_main_queue(), ^{ | ||
self.completionBlock(NULL, NULL, error); | ||
}); | ||
} | ||
} | ||
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@end |
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