test_file_system_backend.h revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
6#define CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
7
8#include "base/files/file_path.h"
9#include "base/memory/ref_counted.h"
10#include "base/memory/scoped_ptr.h"
11#include "webkit/browser/fileapi/async_file_util_adapter.h"
12#include "webkit/browser/fileapi/file_system_backend.h"
13#include "webkit/browser/fileapi/task_runner_bound_observer_list.h"
14
15namespace base {
16class SequencedTaskRunner;
17}
18
19namespace storage {
20class AsyncFileUtilAdapter;
21class FileSystemQuotaUtil;
22}
23
24namespace content {
25
26// This should be only used for testing.
27// This file system backend uses LocalFileUtil and stores data file
28// under the given directory.
29class TestFileSystemBackend : public storage::FileSystemBackend {
30 public:
31  TestFileSystemBackend(
32      base::SequencedTaskRunner* task_runner,
33      const base::FilePath& base_path);
34  virtual ~TestFileSystemBackend();
35
36  // FileSystemBackend implementation.
37  virtual bool CanHandleType(storage::FileSystemType type) const OVERRIDE;
38  virtual void Initialize(storage::FileSystemContext* context) OVERRIDE;
39  virtual void ResolveURL(const storage::FileSystemURL& url,
40                          storage::OpenFileSystemMode mode,
41                          const OpenFileSystemCallback& callback) OVERRIDE;
42  virtual storage::AsyncFileUtil* GetAsyncFileUtil(
43      storage::FileSystemType type) OVERRIDE;
44  virtual storage::CopyOrMoveFileValidatorFactory*
45      GetCopyOrMoveFileValidatorFactory(storage::FileSystemType type,
46                                        base::File::Error* error_code) OVERRIDE;
47  virtual storage::FileSystemOperation* CreateFileSystemOperation(
48      const storage::FileSystemURL& url,
49      storage::FileSystemContext* context,
50      base::File::Error* error_code) const OVERRIDE;
51  virtual bool SupportsStreaming(
52      const storage::FileSystemURL& url) const OVERRIDE;
53  virtual bool HasInplaceCopyImplementation(
54      storage::FileSystemType type) const OVERRIDE;
55  virtual scoped_ptr<storage::FileStreamReader> CreateFileStreamReader(
56      const storage::FileSystemURL& url,
57      int64 offset,
58      const base::Time& expected_modification_time,
59      storage::FileSystemContext* context) const OVERRIDE;
60  virtual scoped_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
61      const storage::FileSystemURL& url,
62      int64 offset,
63      storage::FileSystemContext* context) const OVERRIDE;
64  virtual storage::FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE;
65
66  // Initialize the CopyOrMoveFileValidatorFactory. Invalid to call more than
67  // once.
68  void InitializeCopyOrMoveFileValidatorFactory(
69      scoped_ptr<storage::CopyOrMoveFileValidatorFactory> factory);
70
71  const storage::UpdateObserverList* GetUpdateObservers(
72      storage::FileSystemType type) const;
73  void AddFileChangeObserver(storage::FileChangeObserver* observer);
74
75  // For CopyOrMoveFileValidatorFactory testing. Once it's set to true
76  // GetCopyOrMoveFileValidatorFactory will start returning security
77  // error if validator is not initialized.
78  void set_require_copy_or_move_validator(bool flag) {
79    require_copy_or_move_validator_ = flag;
80  }
81
82 private:
83  class QuotaUtil;
84
85  base::FilePath base_path_;
86  scoped_refptr<base::SequencedTaskRunner> task_runner_;
87  scoped_ptr<storage::AsyncFileUtilAdapter> file_util_;
88  scoped_ptr<QuotaUtil> quota_util_;
89
90  bool require_copy_or_move_validator_;
91  scoped_ptr<storage::CopyOrMoveFileValidatorFactory>
92      copy_or_move_file_validator_factory_;
93
94  DISALLOW_COPY_AND_ASSIGN(TestFileSystemBackend);
95};
96
97}  // namespace content
98
99#endif  // CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
100