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 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.
h" | 5 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.
h" |
6 | 6 |
7 #include "base/memory/scoped_ptr.h" | 7 #include "base/memory/scoped_ptr.h" |
8 #include "chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_st
ream_reader.h" | 8 #include "chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_st
ream_reader.h" |
9 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_reade
r.h" | 9 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_reade
r.h" |
10 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_write
r.h" | 10 #include "chrome/browser/chromeos/file_system_provider/fileapi/file_stream_write
r.h" |
11 #include "chrome/browser/chromeos/file_system_provider/fileapi/provider_async_fi
le_util.h" | 11 #include "chrome/browser/chromeos/file_system_provider/fileapi/provider_async_fi
le_util.h" |
12 #include "content/public/browser/browser_thread.h" | 12 #include "content/public/browser/browser_thread.h" |
13 #include "webkit/browser/blob/file_stream_reader.h" | 13 #include "storage/browser/blob/file_stream_reader.h" |
14 #include "webkit/browser/fileapi/file_stream_writer.h" | 14 #include "storage/browser/fileapi/file_stream_writer.h" |
15 #include "webkit/browser/fileapi/file_system_url.h" | 15 #include "storage/browser/fileapi/file_system_url.h" |
16 | 16 |
17 using content::BrowserThread; | 17 using content::BrowserThread; |
18 | 18 |
19 namespace chromeos { | 19 namespace chromeos { |
20 namespace file_system_provider { | 20 namespace file_system_provider { |
21 namespace { | 21 namespace { |
22 | 22 |
23 // Size of the stream reader internal buffer. At most this number of bytes will | 23 // Size of the stream reader internal buffer. At most this number of bytes will |
24 // be read ahead of the requested data. | 24 // be read ahead of the requested data. |
25 const int kReaderBufferSize = 512 * 1024; // 512KB. | 25 const int kReaderBufferSize = 512 * 1024; // 512KB. |
26 | 26 |
27 } // namespace | 27 } // namespace |
28 | 28 |
29 BackendDelegate::BackendDelegate() | 29 BackendDelegate::BackendDelegate() |
30 : async_file_util_(new internal::ProviderAsyncFileUtil) {} | 30 : async_file_util_(new internal::ProviderAsyncFileUtil) {} |
31 | 31 |
32 BackendDelegate::~BackendDelegate() {} | 32 BackendDelegate::~BackendDelegate() {} |
33 | 33 |
34 fileapi::AsyncFileUtil* BackendDelegate::GetAsyncFileUtil( | 34 storage::AsyncFileUtil* BackendDelegate::GetAsyncFileUtil( |
35 fileapi::FileSystemType type) { | 35 storage::FileSystemType type) { |
36 DCHECK_CURRENTLY_ON(BrowserThread::IO); | 36 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
37 DCHECK_EQ(fileapi::kFileSystemTypeProvided, type); | 37 DCHECK_EQ(storage::kFileSystemTypeProvided, type); |
38 return async_file_util_.get(); | 38 return async_file_util_.get(); |
39 } | 39 } |
40 | 40 |
41 scoped_ptr<webkit_blob::FileStreamReader> | 41 scoped_ptr<storage::FileStreamReader> BackendDelegate::CreateFileStreamReader( |
42 BackendDelegate::CreateFileStreamReader( | 42 const storage::FileSystemURL& url, |
43 const fileapi::FileSystemURL& url, | |
44 int64 offset, | 43 int64 offset, |
45 const base::Time& expected_modification_time, | 44 const base::Time& expected_modification_time, |
46 fileapi::FileSystemContext* context) { | 45 storage::FileSystemContext* context) { |
47 DCHECK_CURRENTLY_ON(BrowserThread::IO); | 46 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
48 DCHECK_EQ(fileapi::kFileSystemTypeProvided, url.type()); | 47 DCHECK_EQ(storage::kFileSystemTypeProvided, url.type()); |
49 | 48 |
50 return scoped_ptr<webkit_blob::FileStreamReader>( | 49 return scoped_ptr<storage::FileStreamReader>(new BufferingFileStreamReader( |
51 new BufferingFileStreamReader( | 50 scoped_ptr<storage::FileStreamReader>(new FileStreamReader( |
52 scoped_ptr<webkit_blob::FileStreamReader>(new FileStreamReader( | 51 context, url, offset, expected_modification_time)), |
53 context, url, offset, expected_modification_time)), | 52 kReaderBufferSize)); |
54 kReaderBufferSize)); | |
55 } | 53 } |
56 | 54 |
57 scoped_ptr<fileapi::FileStreamWriter> BackendDelegate::CreateFileStreamWriter( | 55 scoped_ptr<storage::FileStreamWriter> BackendDelegate::CreateFileStreamWriter( |
58 const fileapi::FileSystemURL& url, | 56 const storage::FileSystemURL& url, |
59 int64 offset, | 57 int64 offset, |
60 fileapi::FileSystemContext* context) { | 58 storage::FileSystemContext* context) { |
61 DCHECK_CURRENTLY_ON(BrowserThread::IO); | 59 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
62 DCHECK_EQ(fileapi::kFileSystemTypeProvided, url.type()); | 60 DCHECK_EQ(storage::kFileSystemTypeProvided, url.type()); |
63 | 61 |
64 return scoped_ptr<fileapi::FileStreamWriter>( | 62 return scoped_ptr<storage::FileStreamWriter>( |
65 new FileStreamWriter(url, offset)); | 63 new FileStreamWriter(url, offset)); |
66 } | 64 } |
67 | 65 |
68 } // namespace file_system_provider | 66 } // namespace file_system_provider |
69 } // namespace chromeos | 67 } // namespace chromeos |
OLD | NEW |