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 |