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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #ifndef NET_BASE_ELEMENTS_UPLOAD_DATA_STREAM_H_ | 5 #ifndef NET_BASE_ELEMENTS_UPLOAD_DATA_STREAM_H_ |
| 6 #define NET_BASE_ELEMENTS_UPLOAD_DATA_STREAM_H_ | 6 #define NET_BASE_ELEMENTS_UPLOAD_DATA_STREAM_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/macros.h" | 9 #include "base/macros.h" |
| 10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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| 30 | 30 |
| 31 // Creates an ElementsUploadDataStream with a single reader. Returns a | 31 // Creates an ElementsUploadDataStream with a single reader. Returns a |
| 32 // scoped_ptr<UploadDataStream> for ease of use. | 32 // scoped_ptr<UploadDataStream> for ease of use. |
| 33 static scoped_ptr<UploadDataStream> CreateWithReader( | 33 static scoped_ptr<UploadDataStream> CreateWithReader( |
| 34 scoped_ptr<UploadElementReader> reader, | 34 scoped_ptr<UploadElementReader> reader, |
| 35 int64 identifier); | 35 int64 identifier); |
| 36 | 36 |
| 37 private: | 37 private: |
| 38 // UploadDataStream implementation. | 38 // UploadDataStream implementation. |
| 39 virtual bool IsInMemory() const OVERRIDE; | 39 virtual bool IsInMemory() const OVERRIDE; |
| 40 virtual const ScopedVector<UploadElementReader>* | 40 virtual const ScopedVector<UploadElementReader>* GetElementReaders() |
| 41 GetElementReaders() const OVERRIDE; | 41 const OVERRIDE; |
| 42 virtual int InitInternal() OVERRIDE; | 42 virtual int InitInternal() OVERRIDE; |
| 43 virtual int ReadInternal(IOBuffer* buf, int buf_len) OVERRIDE; | 43 virtual int ReadInternal(IOBuffer* buf, int buf_len) OVERRIDE; |
| 44 virtual void ResetInternal() OVERRIDE; | 44 virtual void ResetInternal() OVERRIDE; |
| 45 | 45 |
| 46 // Runs Init() for all element readers. | 46 // Runs Init() for all element readers. |
| 47 // This method is used to implement InitInternal(). | 47 // This method is used to implement InitInternal(). |
| 48 int InitElements(size_t start_index); | 48 int InitElements(size_t start_index); |
| 49 | 49 |
| 50 // Called when the |index| element finishes initialization. If it succeeded, | 50 // Called when the |index| element finishes initialization. If it succeeded, |
| 51 // continues with the |index + 1| element. Calls OnInitCompleted on error or | 51 // continues with the |index + 1| element. Calls OnInitCompleted on error or |
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| 77 bool read_failed_; | 77 bool read_failed_; |
| 78 | 78 |
| 79 base::WeakPtrFactory<ElementsUploadDataStream> weak_ptr_factory_; | 79 base::WeakPtrFactory<ElementsUploadDataStream> weak_ptr_factory_; |
| 80 | 80 |
| 81 DISALLOW_COPY_AND_ASSIGN(ElementsUploadDataStream); | 81 DISALLOW_COPY_AND_ASSIGN(ElementsUploadDataStream); |
| 82 }; | 82 }; |
| 83 | 83 |
| 84 } // namespace net | 84 } // namespace net |
| 85 | 85 |
| 86 #endif // NET_BASE_ELEMENTS_UPLOAD_DATA_STREAM_H_ | 86 #endif // NET_BASE_ELEMENTS_UPLOAD_DATA_STREAM_H_ |
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