1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BACKEND_DELEGATE_H_
#define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BACKEND_DELEGATE_H_
#include "base/basictypes.h"
#include "base/files/file_util.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/chromeos/fileapi/file_system_backend_delegate.h"
namespace storage {
class AsyncFileUtil;
class FileSystemContext;
class FileStreamReader;
class FileSystemURL;
class FileStreamWriter;
class WatcherManager;
} // namespace storage
namespace chromeos {
namespace file_system_provider {
// Delegate implementation of the some methods in chromeos::FileSystemBackend
// for provided file systems.
class BackendDelegate : public chromeos::FileSystemBackendDelegate {
public:
BackendDelegate();
virtual ~BackendDelegate();
// FileSystemBackend::Delegate overrides.
virtual storage::AsyncFileUtil* GetAsyncFileUtil(
storage::FileSystemType type) override;
virtual scoped_ptr<storage::FileStreamReader> CreateFileStreamReader(
const storage::FileSystemURL& url,
int64 offset,
int64 max_bytes_to_read,
const base::Time& expected_modification_time,
storage::FileSystemContext* context) override;
virtual scoped_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
const storage::FileSystemURL& url,
int64 offset,
storage::FileSystemContext* context) override;
virtual storage::WatcherManager* GetWatcherManager(
storage::FileSystemType type) override;
virtual void GetRedirectURLForContents(
const storage::FileSystemURL& url,
const storage::URLCallback& callback) override;
private:
scoped_ptr<storage::AsyncFileUtil> async_file_util_;
scoped_ptr<storage::WatcherManager> watcher_manager_;
DISALLOW_COPY_AND_ASSIGN(BackendDelegate);
};
} // namespace file_system_provider
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BACKEND_DELEGATE_H_
|
