chrome/browser/chromeos/drive/file_change.cc - 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 #include "chrome/browser/chromeos/drive/file_change.h"

6

7 #include <sstream>

8

9 #include "base/logging.h"

10 #include "base/strings/stringprintf.h"

11 #include "components/drive/drive.pb.h"

12

13 namespace drive {

14

15 FileChange::Change::Change(ChangeType change, FileType file_type)

16 : change_(change), file_type_(file_type) {

17 }

18

19 std::string FileChange::Change::DebugString() const {

20 const char* change_string = NULL;

21 switch (change()) {

22 case CHANGE_TYPE_ADD_OR_UPDATE:

23 change_string = "ADD_OR_UPDATE";

24 break;

25 case CHANGE_TYPE_DELETE:

26 change_string = "DELETE";

27 break;

28 }

29 const char* type_string = "NO_INFO";

30 switch (file_type()) {

31 case FileChange::FILE_TYPE_FILE:

32 type_string = "FILE";

33 break;

34 case FileChange::FILE_TYPE_DIRECTORY:

35 type_string = "DIRECTORY";

36 break;

37 case FILE_TYPE_NO_INFO:

38 // Keeps it as "no_info".

39 break;

40 }

41 return base::StringPrintf("%s:%s", change_string, type_string);

42 }

43

44 FileChange::ChangeList::ChangeList() {

45 }

46 FileChange::ChangeList::~ChangeList() {

47 }

48

49 void FileChange::ChangeList::Update(const Change& new_change) {

50 if (list_.empty()) {

51 list_.push_back(new_change);

52 return;

53 }

54

55 Change& last = list_.back();

56 if (last.IsFile() != new_change.IsFile()) {

57 list_.push_back(new_change);

58 return;

59 }

60

61 if (last.change() == new_change.change())

62 return;

63

64 // ADD + DELETE on directory -> revert

65 if (!last.IsFile() && last.IsAddOrUpdate() && new_change.IsDelete()) {

66 list_.pop_back();

67 return;

68 }

69

70 // DELETE + ADD/UPDATE -> ADD/UPDATE

71 // ADD/UPDATE + DELETE -> DELETE

72 last = new_change;

73 }

74

75 FileChange::ChangeList FileChange::ChangeList::PopAndGetNewList() const {

76 ChangeList changes;

77 changes.list_ = this->list_;

78 changes.list_.pop_front();

79 return changes;

80 }

81

82 std::string FileChange::ChangeList::DebugString() const {

83 std::ostringstream ss;

84 ss << "{ ";

85 for (size_t i = 0; i < list_.size(); ++i)

86 ss << list_[i].DebugString() << ", ";

87 ss << "}";

88 return ss.str();

89 }

90

91 FileChange::FileChange() {

92 }

93 FileChange::~FileChange() {}

94

95 void FileChange::Update(const base::FilePath file_path,

96 const FileChange::Change& new_change) {

97 map_[file_path].Update(new_change);

98 }

99

100 void FileChange::Update(const base::FilePath file_path,

101 const FileChange::ChangeList& new_change) {

102 for (ChangeList::List::const_iterator it = new_change.list().begin();

103 it != new_change.list().end();

104 it++) {

105 map_[file_path].Update(*it);

106 }

107 }

108

109 void FileChange::Update(const base::FilePath file_path,

110 FileType file_type,

111 FileChange::ChangeType change) {

112 Update(file_path, FileChange::Change(change, file_type));

113 }

114

115 void FileChange::Update(const base::FilePath file_path,

116 const ResourceEntry& entry,

117 FileChange::ChangeType change) {

118 FileType type = !entry.has_file_info()

119 ? FILE_TYPE_NO_INFO

120 : entry.file_info().is_directory() ? FILE_TYPE_DIRECTORY

121 : FILE_TYPE_FILE;

122

123 Update(file_path, type, change);

124 }

125

126 void FileChange::Apply(const FileChange& new_changed_files) {

127 for (Map::const_iterator it = new_changed_files.map().begin();

128 it != new_changed_files.map().end();

129 it++) {

130 Update(it->first, it->second);

131 }

132 }

133

134 size_t FileChange::CountDirectory(const base::FilePath& directory_path) const {

135 size_t count = 0;

136 for (Map::const_iterator it = map_.begin(); it != map_.end(); it++) {

137 if (it->first.DirName() == directory_path)

138 count++;

139 }

140 return count;

141 }

142

143 std::string FileChange::DebugString() const {

144 std::ostringstream ss;

145 ss << "{ ";

146 for (FileChange::Map::const_iterator it = map_.begin(); it != map_.end();

147 it++) {

148 ss << it->first.value() << ": " << it->second.DebugString() << ", ";

149 }

150 ss << "}";

151 return ss.str();

152 }

153

154 } // namespace drive

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