chrome/browser/chromeos/drive/file_change.h - Issue 1246753003: Move a subset of chrome/browser/chromeos/drive into components/drive

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Issue 1246753003: Move a subset of chrome/browser/chromeos/drive into components/drive (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years, 5 months ago

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1 // Copyright (c) 2012 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_CHROMEOS_DRIVE_FILE_CHANGE_H_

6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CHANGE_H_

7

8 #include <deque>

9 #include <map>

10 #include <string>

11

12 #include "base/basictypes.h"

13 #include "base/files/file_path.h"

14 #include "storage/browser/fileapi/file_system_url.h"

15

16 namespace drive {

17 class ResourceEntry;

18

19 class FileChange {

20 public:

21 enum FileType {

22 FILE_TYPE_NO_INFO,

23 FILE_TYPE_FILE,

24 FILE_TYPE_DIRECTORY,

25 };

26

27 enum ChangeType {

28 CHANGE_TYPE_ADD_OR_UPDATE,

29 CHANGE_TYPE_DELETE,

30 };

31

32 class Change {

33 public:

34 Change(ChangeType change, FileType file_type);

35

36 bool IsAddOrUpdate() const { return change_ == CHANGE_TYPE_ADD_OR_UPDATE; }

37 bool IsDelete() const { return change_ == CHANGE_TYPE_DELETE; }

38

39 bool IsFile() const { return file_type_ == FILE_TYPE_FILE; }

40 bool IsDirectory() const { return file_type_ == FILE_TYPE_DIRECTORY; }

41 bool IsTypeUnknown() const { return !IsFile() && !IsDirectory(); }

42

43 ChangeType change() const { return change_; }

44 FileType file_type() const { return file_type_; }

45

46 std::string DebugString() const;

47

48 bool operator==(const Change& that) const {

49 return change() == that.change() && file_type() == that.file_type();

50 }

51

52 private:

53 ChangeType change_;

54 FileType file_type_;

55 };

56

57 class ChangeList {

58 public:

59 typedef std::deque<Change> List;

60

61 ChangeList();

62 ~ChangeList();

63

64 // Updates the list with the \|new_change\|.

65 void Update(const Change& new_change);

66

67 size_t size() const { return list_.size(); }

68 bool empty() const { return list_.empty(); }

69 void clear() { list_.clear(); }

70 const List& list() const { return list_; }

71 const Change& front() const { return list_.front(); }

72 const Change& back() const { return list_.back(); }

73

74 ChangeList PopAndGetNewList() const;

75

76 std::string DebugString() const;

77

78 private:

79 List list_;

80 };

81

82 public:

83 typedef std::map<base::FilePath, FileChange::ChangeList> Map;

84

85 FileChange();

86 ~FileChange();

87

88 void Update(const base::FilePath file_path,

89 const FileChange::Change& new_change);

90 void Update(const base::FilePath file_path,

91 const FileChange::ChangeList& list);

92 void Update(const base::FilePath file_path,

93 FileType type,

94 FileChange::ChangeType change);

95 void Update(const base::FilePath file_path,

96 const ResourceEntry& entry,

97 FileChange::ChangeType change);

98 void Apply(const FileChange& new_changed_files);

99

100 const Map& map() const { return map_; }

101

102 size_t size() const { return map_.size(); }

103 bool empty() const { return map_.empty(); }

104 void ClearForTest() { map_.clear(); }

105 size_t CountDirectory(const base::FilePath& directory_path) const;

106 size_t count(const base::FilePath& file_path) const {

107 return map_.count(file_path);

108 }

109

110 std::string DebugString() const;

111

112 private:

113 Map map_;

114 };

115

116 } // namespace drive

117

118 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CHANGE_H_

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