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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 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_write
r.h" | 5 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_write
r.h" |
6 | 6 |
7 #include "base/debug/trace_event.h" | 7 #include "base/debug/trace_event.h" |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "chrome/browser/chromeos/file_system_provider/fileapi/provider_async_fi
le_util.h" | 9 #include "chrome/browser/chromeos/file_system_provider/fileapi/provider_async_fi
le_util.h" |
10 #include "chrome/browser/chromeos/file_system_provider/mount_path_util.h" | 10 #include "chrome/browser/chromeos/file_system_provider/mount_path_util.h" |
11 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte
rface.h" | 11 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_inte
rface.h" |
12 #include "content/public/browser/browser_thread.h" | 12 #include "content/public/browser/browser_thread.h" |
13 #include "net/base/io_buffer.h" | 13 #include "net/base/io_buffer.h" |
14 #include "net/base/net_errors.h" | 14 #include "net/base/net_errors.h" |
15 | 15 |
16 using content::BrowserThread; | 16 using content::BrowserThread; |
17 | 17 |
18 namespace chromeos { | 18 namespace chromeos { |
19 namespace file_system_provider { | 19 namespace file_system_provider { |
20 namespace { | 20 namespace { |
21 | 21 |
22 // Dicards the callback from CloseFile(). | 22 // Dicards the callback from CloseFile(). |
23 void EmptyStatusCallback(base::File::Error /* result */) { | 23 void EmptyStatusCallback(base::File::Error /* result */) { |
24 } | 24 } |
25 | 25 |
26 // Opens a file for writing and calls the completion callback. Must be called | 26 // Opens a file for writing and calls the completion callback. Must be called |
27 // on UI thread. | 27 // on UI thread. |
28 void OpenFileOnUIThread( | 28 void OpenFileOnUIThread( |
29 const fileapi::FileSystemURL& url, | 29 const storage::FileSystemURL& url, |
30 const FileStreamWriter::OpenFileCompletedCallback& callback) { | 30 const FileStreamWriter::OpenFileCompletedCallback& callback) { |
31 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 31 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
32 | 32 |
33 util::FileSystemURLParser parser(url); | 33 util::FileSystemURLParser parser(url); |
34 if (!parser.Parse()) { | 34 if (!parser.Parse()) { |
35 callback.Run(base::WeakPtr<ProvidedFileSystemInterface>(), | 35 callback.Run(base::WeakPtr<ProvidedFileSystemInterface>(), |
36 base::FilePath(), | 36 base::FilePath(), |
37 0 /* file_handle */, | 37 0 /* file_handle */, |
38 base::File::FILE_ERROR_SECURITY); | 38 base::File::FILE_ERROR_SECURITY); |
39 return; | 39 return; |
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70 } | 70 } |
71 | 71 |
72 // Requests writing bytes to the file. In case of either success or a failure | 72 // Requests writing bytes to the file. In case of either success or a failure |
73 // |callback| is executed. Must be called on UI thread. | 73 // |callback| is executed. Must be called on UI thread. |
74 void WriteFileOnUIThread( | 74 void WriteFileOnUIThread( |
75 base::WeakPtr<ProvidedFileSystemInterface> file_system, | 75 base::WeakPtr<ProvidedFileSystemInterface> file_system, |
76 int file_handle, | 76 int file_handle, |
77 scoped_refptr<net::IOBuffer> buffer, | 77 scoped_refptr<net::IOBuffer> buffer, |
78 int64 offset, | 78 int64 offset, |
79 int length, | 79 int length, |
80 const fileapi::AsyncFileUtil::StatusCallback& callback) { | 80 const storage::AsyncFileUtil::StatusCallback& callback) { |
81 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 81 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
82 | 82 |
83 // If the file system got unmounted, then abort the writing operation. | 83 // If the file system got unmounted, then abort the writing operation. |
84 if (!file_system.get()) { | 84 if (!file_system.get()) { |
85 callback.Run(base::File::FILE_ERROR_ABORT); | 85 callback.Run(base::File::FILE_ERROR_ABORT); |
86 return; | 86 return; |
87 } | 87 } |
88 | 88 |
89 file_system->WriteFile(file_handle, buffer, offset, length, callback); | 89 file_system->WriteFile(file_handle, buffer, offset, length, callback); |
90 } | 90 } |
91 | 91 |
92 // Forward the completion callback to IO thread. | 92 // Forward the completion callback to IO thread. |
93 void OnWriteFileCompletedOnUIThread( | 93 void OnWriteFileCompletedOnUIThread( |
94 const fileapi::AsyncFileUtil::StatusCallback& callback, | 94 const storage::AsyncFileUtil::StatusCallback& callback, |
95 base::File::Error result) { | 95 base::File::Error result) { |
96 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 96 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
97 BrowserThread::PostTask( | 97 BrowserThread::PostTask( |
98 BrowserThread::IO, FROM_HERE, base::Bind(callback, result)); | 98 BrowserThread::IO, FROM_HERE, base::Bind(callback, result)); |
99 } | 99 } |
100 | 100 |
101 } // namespace | 101 } // namespace |
102 | 102 |
103 FileStreamWriter::FileStreamWriter(const fileapi::FileSystemURL& url, | 103 FileStreamWriter::FileStreamWriter(const storage::FileSystemURL& url, |
104 int64 initial_offset) | 104 int64 initial_offset) |
105 : url_(url), | 105 : url_(url), |
106 current_offset_(initial_offset), | 106 current_offset_(initial_offset), |
107 state_(NOT_INITIALIZED), | 107 state_(NOT_INITIALIZED), |
108 file_handle_(0), | 108 file_handle_(0), |
109 weak_ptr_factory_(this) { | 109 weak_ptr_factory_(this) { |
110 } | 110 } |
111 | 111 |
112 FileStreamWriter::~FileStreamWriter() { | 112 FileStreamWriter::~FileStreamWriter() { |
113 BrowserThread::PostTask( | 113 BrowserThread::PostTask( |
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263 buffer_length, | 263 buffer_length, |
264 base::Bind(&OnWriteFileCompletedOnUIThread, | 264 base::Bind(&OnWriteFileCompletedOnUIThread, |
265 base::Bind(&FileStreamWriter::OnWriteFileCompleted, | 265 base::Bind(&FileStreamWriter::OnWriteFileCompleted, |
266 weak_ptr_factory_.GetWeakPtr(), | 266 weak_ptr_factory_.GetWeakPtr(), |
267 buffer_length, | 267 buffer_length, |
268 callback)))); | 268 callback)))); |
269 } | 269 } |
270 | 270 |
271 } // namespace file_system_provider | 271 } // namespace file_system_provider |
272 } // namespace chromeos | 272 } // namespace chromeos |
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