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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MTP_FILE_STREAM_READER_H_ | 5 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MTP_FILE_STREAM_READER_H_ |
| 6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MTP_FILE_STREAM_READER_H_ | 6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MTP_FILE_STREAM_READER_H_ |
| 7 | 7 |
| 8 #include "base/bind.h" | 8 #include "base/bind.h" |
| 9 #include "base/files/file.h" | 9 #include "base/files/file.h" |
| 10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
| 11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
| 12 #include "webkit/browser/blob/file_stream_reader.h" | 12 #include "storage/browser/blob/file_stream_reader.h" |
| 13 #include "webkit/browser/fileapi/file_system_url.h" | 13 #include "storage/browser/fileapi/file_system_url.h" |
| 14 #include "webkit/browser/webkit_storage_browser_export.h" | 14 #include "storage/common/storage_export.h" |
| 15 | 15 |
| 16 namespace base { | 16 namespace base { |
| 17 class FilePath; | 17 class FilePath; |
| 18 } | 18 } |
| 19 | 19 |
| 20 namespace fileapi { | 20 namespace storage { |
| 21 class FileSystemContext; | 21 class FileSystemContext; |
| 22 } | 22 } |
| 23 | 23 |
| 24 class MTPFileStreamReader | 24 class MTPFileStreamReader |
| 25 : public NON_EXPORTED_BASE(webkit_blob::FileStreamReader) { | 25 : public NON_EXPORTED_BASE(storage::FileStreamReader) { |
| 26 public: | 26 public: |
| 27 MTPFileStreamReader(fileapi::FileSystemContext* file_system_context, | 27 MTPFileStreamReader(storage::FileSystemContext* file_system_context, |
| 28 const fileapi::FileSystemURL& url, | 28 const storage::FileSystemURL& url, |
| 29 int64 initial_offset, | 29 int64 initial_offset, |
| 30 const base::Time& expected_modification_time, | 30 const base::Time& expected_modification_time, |
| 31 bool do_media_header_validation); | 31 bool do_media_header_validation); |
| 32 | 32 |
| 33 virtual ~MTPFileStreamReader(); | 33 virtual ~MTPFileStreamReader(); |
| 34 | 34 |
| 35 // FileStreamReader overrides. | 35 // FileStreamReader overrides. |
| 36 virtual int Read(net::IOBuffer* buf, int buf_len, | 36 virtual int Read(net::IOBuffer* buf, int buf_len, |
| 37 const net::CompletionCallback& callback) OVERRIDE; | 37 const net::CompletionCallback& callback) OVERRIDE; |
| 38 virtual int64 GetLength( | 38 virtual int64 GetLength( |
| 39 const net::Int64CompletionCallback& callback) OVERRIDE; | 39 const net::Int64CompletionCallback& callback) OVERRIDE; |
| 40 | 40 |
| 41 private: | 41 private: |
| 42 void FinishValidateMediaHeader( | 42 void FinishValidateMediaHeader( |
| 43 net::IOBuffer* header_buf, | 43 net::IOBuffer* header_buf, |
| 44 net::IOBuffer* buf, int buf_len, | 44 net::IOBuffer* buf, int buf_len, |
| 45 const net::CompletionCallback& callback, | 45 const net::CompletionCallback& callback, |
| 46 const base::File::Info& file_info, | 46 const base::File::Info& file_info, |
| 47 int header_bytes_read); | 47 int header_bytes_read); |
| 48 | 48 |
| 49 void FinishRead(const net::CompletionCallback& callback, | 49 void FinishRead(const net::CompletionCallback& callback, |
| 50 const base::File::Info& file_info, int bytes_read); | 50 const base::File::Info& file_info, int bytes_read); |
| 51 | 51 |
| 52 void FinishGetLength(const net::Int64CompletionCallback& callback, | 52 void FinishGetLength(const net::Int64CompletionCallback& callback, |
| 53 const base::File::Info& file_info); | 53 const base::File::Info& file_info); |
| 54 | 54 |
| 55 scoped_refptr<fileapi::FileSystemContext> file_system_context_; | 55 scoped_refptr<storage::FileSystemContext> file_system_context_; |
| 56 fileapi::FileSystemURL url_; | 56 storage::FileSystemURL url_; |
| 57 int64 current_offset_; | 57 int64 current_offset_; |
| 58 const base::Time expected_modification_time_; | 58 const base::Time expected_modification_time_; |
| 59 | 59 |
| 60 bool media_header_validated_; | 60 bool media_header_validated_; |
| 61 | 61 |
| 62 base::WeakPtrFactory<MTPFileStreamReader> weak_factory_; | 62 base::WeakPtrFactory<MTPFileStreamReader> weak_factory_; |
| 63 | 63 |
| 64 DISALLOW_COPY_AND_ASSIGN(MTPFileStreamReader); | 64 DISALLOW_COPY_AND_ASSIGN(MTPFileStreamReader); |
| 65 }; | 65 }; |
| 66 | 66 |
| 67 #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MTP_FILE_STREAM_READER_H_ | 67 #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MTP_FILE_STREAM_READER_H_ |
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