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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_BROWSER_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_ | 5 #ifndef CHROME_BROWSER_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_ |
6 #define WEBKIT_BROWSER_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_ | 6 #define CHROME_BROWSER_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_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/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "base/platform_file.h" | 12 #include "base/platform_file.h" |
13 #include "webkit/browser/fileapi/file_stream_writer.h" | 13 #include "webkit/browser/fileapi/file_stream_writer.h" |
14 #include "webkit/browser/fileapi/file_system_context.h" | 14 #include "webkit/browser/fileapi/file_system_context.h" |
15 #include "webkit/browser/fileapi/file_system_url.h" | 15 #include "webkit/browser/fileapi/file_system_url.h" |
16 | 16 |
| 17 namespace fileapi { |
| 18 class RemoteFileSystemProxyInterface; |
| 19 } |
| 20 |
17 namespace net { | 21 namespace net { |
18 class IOBuffer; | 22 class IOBuffer; |
19 } | 23 } |
20 | 24 |
21 namespace webkit_blob { | 25 namespace webkit_blob { |
22 class ShareableFileReference; | 26 class ShareableFileReference; |
23 } | 27 } |
24 | 28 |
25 namespace fileapi { | 29 namespace chromeos { |
26 | |
27 class RemoteFileSystemProxyInterface; | |
28 | 30 |
29 // FileStreamWriter interface for writing to a file on remote file system. | 31 // FileStreamWriter interface for writing to a file on remote file system. |
30 class RemoteFileStreamWriter : public fileapi::FileStreamWriter { | 32 class RemoteFileStreamWriter : public fileapi::FileStreamWriter { |
31 public: | 33 public: |
32 // Creates a writer for a file on |remote_filesystem| with path url |url| | 34 // Creates a writer for a file on |remote_filesystem| with path url |url| |
33 // (like "filesystem:chrome-extension://id/external/drive/...") that | 35 // (like "filesystem:chrome-extension://id/external/drive/...") that |
34 // starts writing from |offset|. When invalid parameters are set, the first | 36 // starts writing from |offset|. When invalid parameters are set, the first |
35 // call to Write() method fails. | 37 // call to Write() method fails. |
36 // Uses |local_task_runner| for local file operations. | 38 // Uses |local_task_runner| for local file operations. |
37 RemoteFileStreamWriter( | 39 RemoteFileStreamWriter( |
38 const scoped_refptr<RemoteFileSystemProxyInterface>& remote_filesystem, | 40 const scoped_refptr<fileapi::RemoteFileSystemProxyInterface>& |
39 const FileSystemURL& url, | 41 remote_filesystem, |
| 42 const fileapi::FileSystemURL& url, |
40 int64 offset, | 43 int64 offset, |
41 base::TaskRunner* local_task_runner); | 44 base::TaskRunner* local_task_runner); |
42 virtual ~RemoteFileStreamWriter(); | 45 virtual ~RemoteFileStreamWriter(); |
43 | 46 |
44 // FileWriter override. | 47 // FileWriter override. |
45 virtual int Write(net::IOBuffer* buf, int buf_len, | 48 virtual int Write(net::IOBuffer* buf, int buf_len, |
46 const net::CompletionCallback& callback) OVERRIDE; | 49 const net::CompletionCallback& callback) OVERRIDE; |
47 virtual int Cancel(const net::CompletionCallback& callback) OVERRIDE; | 50 virtual int Cancel(const net::CompletionCallback& callback) OVERRIDE; |
48 virtual int Flush(const net::CompletionCallback& callback) OVERRIDE; | 51 virtual int Flush(const net::CompletionCallback& callback) OVERRIDE; |
49 | 52 |
50 private: | 53 private: |
51 // Callback function to do the continuation of the work of the first Write() | 54 // Callback function to do the continuation of the work of the first Write() |
52 // call, which tries to open the local copy of the file before writing. | 55 // call, which tries to open the local copy of the file before writing. |
53 void OnFileOpened( | 56 void OnFileOpened( |
54 net::IOBuffer* buf, | 57 net::IOBuffer* buf, |
55 int buf_len, | 58 int buf_len, |
56 const net::CompletionCallback& callback, | 59 const net::CompletionCallback& callback, |
57 base::PlatformFileError open_result, | 60 base::PlatformFileError open_result, |
58 const base::FilePath& local_path, | 61 const base::FilePath& local_path, |
59 const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref); | 62 const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref); |
60 // Calls |pending_cancel_callback_|, assuming it is non-null. | 63 // Calls |pending_cancel_callback_|, assuming it is non-null. |
61 void InvokePendingCancelCallback(int result); | 64 void InvokePendingCancelCallback(int result); |
62 | 65 |
63 scoped_refptr<RemoteFileSystemProxyInterface> remote_filesystem_; | 66 scoped_refptr<fileapi::RemoteFileSystemProxyInterface> remote_filesystem_; |
64 scoped_refptr<base::TaskRunner> local_task_runner_; | 67 scoped_refptr<base::TaskRunner> local_task_runner_; |
65 const FileSystemURL url_; | 68 const fileapi::FileSystemURL url_; |
66 const int64 initial_offset_; | 69 const int64 initial_offset_; |
67 scoped_ptr<fileapi::FileStreamWriter> local_file_writer_; | 70 scoped_ptr<fileapi::FileStreamWriter> local_file_writer_; |
68 scoped_refptr<webkit_blob::ShareableFileReference> file_ref_; | 71 scoped_refptr<webkit_blob::ShareableFileReference> file_ref_; |
69 bool has_pending_create_snapshot_; | 72 bool has_pending_create_snapshot_; |
70 net::CompletionCallback pending_cancel_callback_; | 73 net::CompletionCallback pending_cancel_callback_; |
71 | 74 |
72 base::WeakPtrFactory<RemoteFileStreamWriter> weak_factory_; | 75 base::WeakPtrFactory<RemoteFileStreamWriter> weak_factory_; |
73 | 76 |
74 DISALLOW_COPY_AND_ASSIGN(RemoteFileStreamWriter); | 77 DISALLOW_COPY_AND_ASSIGN(RemoteFileStreamWriter); |
75 }; | 78 }; |
76 | 79 |
77 } // namespace fileapi | 80 } // namespace chromeos |
78 | 81 |
79 #endif // WEBKIT_BROWSER_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_ | 82 #endif // CHROME_BROWSER_CHROMEOS_FILEAPI_REMOTE_FILE_STREAM_WRITER_H_ |
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