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 <set> 9 10 #include "base/files/file_path.h" 11 12 namespace drive { 13 14 class FileChange; 15 16 // Set of changes. 17 typedef std::set<FileChange> FileChangeSet; 18 19 // Represents change in the filesystem. Rename is represented as two entries: 20 // of type DELETED and ADDED. CHANGED type is for changed contents of 21 // directories or for changed metadata and/or contents of files. 22 class FileChange { 23 public: 24 enum Type { 25 DELETED, 26 ADDED, 27 CHANGED, 28 }; 29 30 // Created an object representing a change of file or directory pointed by 31 // |change_path|. The change is of |change_type| type. 32 FileChange(const base::FilePath& path, Type type); 33 ~FileChange(); 34 35 // Factory method to create a FileChangeSet object with only one element. 36 static FileChangeSet CreateSingleSet(const base::FilePath& path, Type type); 37 38 bool operator==(const FileChange &file_change) const { 39 return path_ == file_change.path() && type_ == file_change.type(); 40 } 41 42 bool operator<(const FileChange &file_change) const { 43 return (path_ < file_change.path()) || 44 (path_ == file_change.path() && type_ < file_change.type()); 45 } 46 47 const base::FilePath& path() const { return path_; } 48 49 Type type() const { return type_; } 50 51 private: 52 const base::FilePath path_; 53 const Type type_; 54 }; 55 56 } // namespace drive 57 58 #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CHANGE_H_ 59
