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
62
63
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_FILEAPI_FILE_SYSTEM_BACKEND_DELEGATE_H_
#define CHROME_BROWSER_ASH_FILEAPI_FILE_SYSTEM_BACKEND_DELEGATE_H_
#include <stdint.h>
#include <memory>
#include "base/functional/callback_forward.h"
#include "storage/browser/file_system/file_system_backend.h"
#include "storage/common/file_system/file_system_types.h"
namespace base {
class Time;
} // namespace base
namespace storage {
class AsyncFileUtil;
class FileSystemContext;
class FileStreamReader;
class FileSystemURL;
class FileStreamWriter;
class WatcherManager;
} // namespace storage
namespace ash {
// This is delegate interface to inject the implementation of the some methods
// of FileSystemBackend.
class FileSystemBackendDelegate {
public:
virtual ~FileSystemBackendDelegate() = default;
// Called from FileSystemBackend::GetAsyncFileUtil().
virtual storage::AsyncFileUtil* GetAsyncFileUtil(
storage::FileSystemType type) = 0;
// Called from FileSystemBackend::CreateFileStreamReader().
virtual std::unique_ptr<storage::FileStreamReader> CreateFileStreamReader(
const storage::FileSystemURL& url,
int64_t offset,
int64_t max_bytes_to_read,
const base::Time& expected_modification_time,
storage::FileSystemContext* context) = 0;
// Called from FileSystemBackend::CreateFileStreamWriter().
virtual std::unique_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
const storage::FileSystemURL& url,
int64_t offset,
storage::FileSystemContext* context) = 0;
// Called from the FileSystemWatcherService class. The returned pointer must
// stay valid until shutdown.
virtual storage::WatcherManager* GetWatcherManager(
storage::FileSystemType type) = 0;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_FILEAPI_FILE_SYSTEM_BACKEND_DELEGATE_H_
|
