| OLD | NEW |
| 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_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_READER_
H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_READER_
H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_READER_
H_ | 6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_READER_
H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/files/file_path.h" | 9 #include "base/files/file_path.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 | 14 |
| 15 namespace chromeos { | 15 namespace chromeos { |
| 16 namespace file_system_provider { | 16 namespace file_system_provider { |
| 17 | 17 |
| 18 struct EntryMetadata; | 18 struct EntryMetadata; |
| 19 class ProvidedFileSystemInterface; | 19 class ProvidedFileSystemInterface; |
| 20 | 20 |
| 21 // Implements a streamed file reader. It is lazily initialized by the first call | 21 // Implements a streamed file reader. It is lazily initialized by the first call |
| 22 // to Read(). | 22 // to Read(). |
| 23 class FileStreamReader : public webkit_blob::FileStreamReader { | 23 class FileStreamReader : public storage::FileStreamReader { |
| 24 public: | 24 public: |
| 25 typedef base::Callback< | 25 typedef base::Callback< |
| 26 void(base::WeakPtr<ProvidedFileSystemInterface> file_system, | 26 void(base::WeakPtr<ProvidedFileSystemInterface> file_system, |
| 27 const base::FilePath& file_path, | 27 const base::FilePath& file_path, |
| 28 int file_handle, | 28 int file_handle, |
| 29 base::File::Error result)> OpenFileCompletedCallback; | 29 base::File::Error result)> OpenFileCompletedCallback; |
| 30 | 30 |
| 31 FileStreamReader(fileapi::FileSystemContext* context, | 31 FileStreamReader(storage::FileSystemContext* context, |
| 32 const fileapi::FileSystemURL& url, | 32 const storage::FileSystemURL& url, |
| 33 int64 initial_offset, | 33 int64 initial_offset, |
| 34 const base::Time& expected_modification_time); | 34 const base::Time& expected_modification_time); |
| 35 | 35 |
| 36 virtual ~FileStreamReader(); | 36 virtual ~FileStreamReader(); |
| 37 | 37 |
| 38 // webkit_blob::FileStreamReader overrides. | 38 // storage::FileStreamReader overrides. |
| 39 virtual int Read(net::IOBuffer* buf, | 39 virtual int Read(net::IOBuffer* buf, |
| 40 int buf_len, | 40 int buf_len, |
| 41 const net::CompletionCallback& callback) OVERRIDE; | 41 const net::CompletionCallback& callback) OVERRIDE; |
| 42 virtual int64 GetLength( | 42 virtual int64 GetLength( |
| 43 const net::Int64CompletionCallback& callback) OVERRIDE; | 43 const net::Int64CompletionCallback& callback) OVERRIDE; |
| 44 | 44 |
| 45 private: | 45 private: |
| 46 // State of the file stream reader. | 46 // State of the file stream reader. |
| 47 enum State { NOT_INITIALIZED, INITIALIZING, INITIALIZED, FAILED }; | 47 enum State { NOT_INITIALIZED, INITIALIZING, INITIALIZED, FAILED }; |
| 48 | 48 |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 87 base::File::Error result); | 87 base::File::Error result); |
| 88 | 88 |
| 89 // Same as Read(), but called after initializing is completed. | 89 // Same as Read(), but called after initializing is completed. |
| 90 void ReadAfterInitialized(scoped_refptr<net::IOBuffer> buffer, | 90 void ReadAfterInitialized(scoped_refptr<net::IOBuffer> buffer, |
| 91 int buffer_length, | 91 int buffer_length, |
| 92 const net::CompletionCallback& callback); | 92 const net::CompletionCallback& callback); |
| 93 | 93 |
| 94 // Same as GetLength(), but called after initializing is completed. | 94 // Same as GetLength(), but called after initializing is completed. |
| 95 void GetLengthAfterInitialized(const net::Int64CompletionCallback& callback); | 95 void GetLengthAfterInitialized(const net::Int64CompletionCallback& callback); |
| 96 | 96 |
| 97 fileapi::FileSystemURL url_; | 97 storage::FileSystemURL url_; |
| 98 int64 current_offset_; | 98 int64 current_offset_; |
| 99 int64 current_length_; | 99 int64 current_length_; |
| 100 base::Time expected_modification_time_; | 100 base::Time expected_modification_time_; |
| 101 State state_; | 101 State state_; |
| 102 | 102 |
| 103 // Set during initialization (in case of a success). | 103 // Set during initialization (in case of a success). |
| 104 base::WeakPtr<ProvidedFileSystemInterface> file_system_; | 104 base::WeakPtr<ProvidedFileSystemInterface> file_system_; |
| 105 base::FilePath file_path_; | 105 base::FilePath file_path_; |
| 106 int file_handle_; | 106 int file_handle_; |
| 107 | 107 |
| 108 base::WeakPtrFactory<FileStreamReader> weak_ptr_factory_; | 108 base::WeakPtrFactory<FileStreamReader> weak_ptr_factory_; |
| 109 DISALLOW_COPY_AND_ASSIGN(FileStreamReader); | 109 DISALLOW_COPY_AND_ASSIGN(FileStreamReader); |
| 110 }; | 110 }; |
| 111 | 111 |
| 112 } // namespace file_system_provider | 112 } // namespace file_system_provider |
| 113 } // namespace chromeos | 113 } // namespace chromeos |
| 114 | 114 |
| 115 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_READ
ER_H_ | 115 #endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_FILE_STREAM_READ
ER_H_ |
| OLD | NEW |