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Side by Side Diff: chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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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/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
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