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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "webkit/fileapi/upload_file_system_file_element_reader.h" | 5 #include "webkit/fileapi/upload_file_system_file_element_reader.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "net/base/net_errors.h" | 8 #include "net/base/net_errors.h" |
| 9 #include "webkit/blob/file_stream_reader.h" | 9 #include "webkit/blob/file_stream_reader.h" |
| 10 #include "webkit/fileapi/file_system_context.h" | 10 #include "webkit/fileapi/file_system_context.h" |
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| 34 int UploadFileSystemFileElementReader::Init( | 34 int UploadFileSystemFileElementReader::Init( |
| 35 const net::CompletionCallback& callback) { | 35 const net::CompletionCallback& callback) { |
| 36 // Reset states. | 36 // Reset states. |
| 37 weak_ptr_factory_.InvalidateWeakPtrs(); | 37 weak_ptr_factory_.InvalidateWeakPtrs(); |
| 38 stream_length_ = 0; | 38 stream_length_ = 0; |
| 39 position_ = 0; | 39 position_ = 0; |
| 40 | 40 |
| 41 // Initialize the stream reader and the length. | 41 // Initialize the stream reader and the length. |
| 42 stream_reader_.reset( | 42 stream_reader_.reset( |
| 43 file_system_context_->CreateFileStreamReader( | 43 file_system_context_->CreateFileStreamReader( |
| 44 FileSystemURL(url_), range_offset_, expected_modification_time_)); | 44 file_system_context_->CrackURL(url_), |
| 45 range_offset_, |
| 46 expected_modification_time_)); |
| 45 DCHECK(stream_reader_); | 47 DCHECK(stream_reader_); |
| 46 | 48 |
| 47 const int result = stream_reader_->GetLength( | 49 const int result = stream_reader_->GetLength( |
| 48 base::Bind(&UploadFileSystemFileElementReader::OnGetLength, | 50 base::Bind(&UploadFileSystemFileElementReader::OnGetLength, |
| 49 weak_ptr_factory_.GetWeakPtr(), | 51 weak_ptr_factory_.GetWeakPtr(), |
| 50 callback)); | 52 callback)); |
| 51 if (result >= 0) { | 53 if (result >= 0) { |
| 52 stream_length_ = result; | 54 stream_length_ = result; |
| 53 return net::OK; | 55 return net::OK; |
| 54 } | 56 } |
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| 102 int result) { | 104 int result) { |
| 103 if (result > 0) { | 105 if (result > 0) { |
| 104 position_ += result; | 106 position_ += result; |
| 105 DCHECK_LE(position_, GetContentLength()); | 107 DCHECK_LE(position_, GetContentLength()); |
| 106 } | 108 } |
| 107 if (!callback.is_null()) | 109 if (!callback.is_null()) |
| 108 callback.Run(result); | 110 callback.Run(result); |
| 109 } | 111 } |
| 110 | 112 |
| 111 } // namespace fileapi | 113 } // namespace fileapi |
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