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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 WEBKIT_CHROMEOS_FILEAPI_ASYNC_FILE_STREAM_H_ | 5 #ifndef WEBKIT_BROWSER_CHROMEOS_FILEAPI_ASYNC_FILE_STREAM_H_ |
| 6 #define WEBKIT_CHROMEOS_FILEAPI_ASYNC_FILE_STREAM_H_ | 6 #define WEBKIT_BROWSER_CHROMEOS_FILEAPI_ASYNC_FILE_STREAM_H_ |
| 7 | 7 |
| 8 #include "base/callback.h" | 8 #include "base/callback.h" |
| 9 #include "base/platform_file.h" | 9 #include "base/platform_file.h" |
| 10 | 10 |
| 11 namespace fileapi { | 11 namespace fileapi { |
| 12 | 12 |
| 13 using base::PlatformFileError; | 13 using base::PlatformFileError; |
| 14 | 14 |
| 15 // This class is used for implementing Open() in FileUtilAsync. This class | 15 // This class is used for implementing Open() in FileUtilAsync. This class |
| 16 // is similar to net::FileStream, but supporting only the asynchronous | 16 // is similar to net::FileStream, but supporting only the asynchronous |
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| 46 const ReadWriteCallback& callback) = 0; | 46 const ReadWriteCallback& callback) = 0; |
| 47 | 47 |
| 48 // Moves the stream position. On success, PLATFORM_FILE_OK is passed to | 48 // Moves the stream position. On success, PLATFORM_FILE_OK is passed to |
| 49 // |callback|. On error, an error code is passed instead. | 49 // |callback|. On error, an error code is passed instead. |
| 50 virtual void Seek(int64 offset, | 50 virtual void Seek(int64 offset, |
| 51 const SeekCallback& callback) = 0; | 51 const SeekCallback& callback) = 0; |
| 52 }; | 52 }; |
| 53 | 53 |
| 54 } // namespace fileapi | 54 } // namespace fileapi |
| 55 | 55 |
| 56 #endif // WEBKIT_CHROMEOS_FILEAPI_ASYNC_FILE_STREAM_H_ | 56 #endif // WEBKIT_BROWSER_CHROMEOS_FILEAPI_ASYNC_FILE_STREAM_H_ |
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