fake_remote_change_processor.h revision f2477e01787aa58f445919b809d89e252beef54f 
1// Copyright (c) 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 CHROME_BROWSER_SYNC_FILE_SYSTEM_FAKE_REMOTE_CHANGE_PROCESSOR_H_
6#define CHROME_BROWSER_SYNC_FILE_SYSTEM_FAKE_REMOTE_CHANGE_PROCESSOR_H_
7
8#include <map>
9#include <string>
10#include <vector>
11
12#include "base/callback.h"
13#include "chrome/browser/sync_file_system/remote_change_processor.h"
14#include "chrome/browser/sync_file_system/sync_callbacks.h"
15
16namespace base {
17class FilePath;
18}
19
20namespace fileapi {
21class FileSystemURL;
22}
23
24namespace sync_file_system {
25
26class FileChange;
27
28class FakeRemoteChangeProcessor : public RemoteChangeProcessor {
29 public:
30  typedef std::map<fileapi::FileSystemURL, std::vector<FileChange>,
31                   fileapi::FileSystemURL::Comparator> URLToFileChangesMap;
32  typedef std::map<fileapi::FileSystemURL, FileChangeList,
33                   fileapi::FileSystemURL::Comparator> URLToFileChangeList;
34  typedef std::map<fileapi::FileSystemURL, SyncFileMetadata,
35                   fileapi::FileSystemURL::Comparator> URLToFileMetadata;
36
37  FakeRemoteChangeProcessor();
38  virtual ~FakeRemoteChangeProcessor();
39
40  // RemoteChangeProcessor overrides.
41  virtual void PrepareForProcessRemoteChange(
42      const fileapi::FileSystemURL& url,
43      const PrepareChangeCallback& callback) OVERRIDE;
44  virtual void ApplyRemoteChange(
45      const FileChange& change,
46      const base::FilePath& local_path,
47      const fileapi::FileSystemURL& url,
48      const SyncStatusCallback& callback) OVERRIDE;
49  virtual void FinalizeRemoteSync(
50      const fileapi::FileSystemURL& url,
51      bool clear_local_changes,
52      const base::Closure& completion_callback) OVERRIDE;
53  virtual void RecordFakeLocalChange(
54      const fileapi::FileSystemURL& url,
55      const FileChange& change,
56      const SyncStatusCallback& callback) OVERRIDE;
57
58  void UpdateLocalFileMetadata(
59    const fileapi::FileSystemURL& url,
60    const FileChange& change);
61
62  const URLToFileChangesMap& GetAppliedRemoteChanges() const;
63
64 private:
65  // History of file changes given by ApplyRemoteChange(). Changes are arranged
66  // in chronological order, that is, the end of the vector represents the last
67  // change.
68  URLToFileChangesMap applied_changes_;
69
70  // History of local file changes.
71  URLToFileChangeList local_changes_;
72
73  // Initial local file metadata. These are overridden by applied changes.
74  URLToFileMetadata local_file_metadata_;
75
76  DISALLOW_COPY_AND_ASSIGN(FakeRemoteChangeProcessor);
77};
78
79}  // namespace sync_file_system
80
81#endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_FAKE_REMOTE_CHANGE_PROCESSOR_H_
82