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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_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_READER_IMPL_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_READER_IMPL_H_ |
6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_READER_IMPL_H_ | 6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_READER_IMPL_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include <stdint.h> |
| 9 |
9 #include "base/files/file_path.h" | 10 #include "base/files/file_path.h" |
| 11 #include "base/macros.h" |
10 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
11 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
12 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
13 #include "base/time/time.h" | 15 #include "base/time/time.h" |
14 #include "chrome/browser/chromeos/drive/drive_file_stream_reader.h" | 16 #include "chrome/browser/chromeos/drive/drive_file_stream_reader.h" |
15 #include "net/base/completion_callback.h" | 17 #include "net/base/completion_callback.h" |
16 #include "storage/browser/fileapi/file_stream_reader.h" | 18 #include "storage/browser/fileapi/file_stream_reader.h" |
17 | 19 |
18 namespace base { | 20 namespace base { |
19 class SequencedTaskRunner; | 21 class SequencedTaskRunner; |
20 } // namespace base | 22 } // namespace base |
21 | 23 |
22 namespace drive { | 24 namespace drive { |
23 | 25 |
24 class ResourceEntry; | 26 class ResourceEntry; |
25 | 27 |
26 namespace internal { | 28 namespace internal { |
27 | 29 |
28 // The implementation of storage::FileStreamReader for drive file system. | 30 // The implementation of storage::FileStreamReader for drive file system. |
29 // storage::FileStreamReader does not provide a way for explicit | 31 // storage::FileStreamReader does not provide a way for explicit |
30 // initialization, hence the initialization of this class will be done lazily. | 32 // initialization, hence the initialization of this class will be done lazily. |
31 // Note that when crbug.com/225339 is resolved, this class will be also | 33 // Note that when crbug.com/225339 is resolved, this class will be also |
32 // initialized explicitly. | 34 // initialized explicitly. |
33 class WebkitFileStreamReaderImpl : public storage::FileStreamReader { | 35 class WebkitFileStreamReaderImpl : public storage::FileStreamReader { |
34 public: | 36 public: |
35 WebkitFileStreamReaderImpl( | 37 WebkitFileStreamReaderImpl( |
36 const DriveFileStreamReader::FileSystemGetter& file_system_getter, | 38 const DriveFileStreamReader::FileSystemGetter& file_system_getter, |
37 base::SequencedTaskRunner* file_task_runner, | 39 base::SequencedTaskRunner* file_task_runner, |
38 const base::FilePath& drive_file_path, | 40 const base::FilePath& drive_file_path, |
39 int64 offset, | 41 int64_t offset, |
40 const base::Time& expected_modification_time); | 42 const base::Time& expected_modification_time); |
41 ~WebkitFileStreamReaderImpl() override; | 43 ~WebkitFileStreamReaderImpl() override; |
42 | 44 |
43 // storage::FileStreamReader override. | 45 // storage::FileStreamReader override. |
44 int Read(net::IOBuffer* buffer, | 46 int Read(net::IOBuffer* buffer, |
45 int buffer_length, | 47 int buffer_length, |
46 const net::CompletionCallback& callback) override; | 48 const net::CompletionCallback& callback) override; |
47 int64 GetLength(const net::Int64CompletionCallback& callback) override; | 49 int64_t GetLength(const net::Int64CompletionCallback& callback) override; |
48 | 50 |
49 private: | 51 private: |
50 // Called upon the initialization completion of |stream_reader_|. | 52 // Called upon the initialization completion of |stream_reader_|. |
51 // Processes the result of the initialization with checking last | 53 // Processes the result of the initialization with checking last |
52 // modified time, and calls |callback| with net::Error code as its result. | 54 // modified time, and calls |callback| with net::Error code as its result. |
53 void OnStreamReaderInitialized( | 55 void OnStreamReaderInitialized( |
54 const net::CompletionCallback& callback, | 56 const net::CompletionCallback& callback, |
55 int error, | 57 int error, |
56 scoped_ptr<ResourceEntry> entry); | 58 scoped_ptr<ResourceEntry> entry); |
57 | 59 |
58 // Part of Read(). Called after all the initialization process is completed. | 60 // Part of Read(). Called after all the initialization process is completed. |
59 void ReadAfterStreamReaderInitialized( | 61 void ReadAfterStreamReaderInitialized( |
60 scoped_refptr<net::IOBuffer> buffer, | 62 scoped_refptr<net::IOBuffer> buffer, |
61 int buffer_length, | 63 int buffer_length, |
62 const net::CompletionCallback& callback, | 64 const net::CompletionCallback& callback, |
63 int initialization_result); | 65 int initialization_result); |
64 | 66 |
65 // Part of GetLength(). Called after all the initialization process is | 67 // Part of GetLength(). Called after all the initialization process is |
66 // completed. | 68 // completed. |
67 void GetLengthAfterStreamReaderInitialized( | 69 void GetLengthAfterStreamReaderInitialized( |
68 const net::Int64CompletionCallback& callback, | 70 const net::Int64CompletionCallback& callback, |
69 int initialization_result); | 71 int initialization_result); |
70 | 72 |
71 scoped_ptr<DriveFileStreamReader> stream_reader_; | 73 scoped_ptr<DriveFileStreamReader> stream_reader_; |
72 const base::FilePath drive_file_path_; | 74 const base::FilePath drive_file_path_; |
73 const int64 offset_; | 75 const int64_t offset_; |
74 const base::Time expected_modification_time_; | 76 const base::Time expected_modification_time_; |
75 | 77 |
76 // This is available only after initialize is done. | 78 // This is available only after initialize is done. |
77 int64 file_size_; | 79 int64_t file_size_; |
78 | 80 |
79 // This should remain the last member so it'll be destroyed first and | 81 // This should remain the last member so it'll be destroyed first and |
80 // invalidate its weak pointers before other members are destroyed. | 82 // invalidate its weak pointers before other members are destroyed. |
81 base::WeakPtrFactory<WebkitFileStreamReaderImpl> weak_ptr_factory_; | 83 base::WeakPtrFactory<WebkitFileStreamReaderImpl> weak_ptr_factory_; |
82 DISALLOW_COPY_AND_ASSIGN(WebkitFileStreamReaderImpl); | 84 DISALLOW_COPY_AND_ASSIGN(WebkitFileStreamReaderImpl); |
83 }; | 85 }; |
84 | 86 |
85 } // namespace internal | 87 } // namespace internal |
86 } // namespace drive | 88 } // namespace drive |
87 | 89 |
88 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_READER_IMPL_
H_ | 90 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILEAPI_WEBKIT_FILE_STREAM_READER_IMPL_
H_ |
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