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[Image] add onLoadStart, onLoadProgress, onLoadError, onLoadEnd
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| Original file line number | Diff line number | Diff line change |
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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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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /** | ||
| * 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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