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 CHROME_BROWSER_SYNC_FILE_SYSTEM_FILE_CHANGE_H_ 6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_FILE_CHANGE_H_ 7 8 #include <deque> 9 #include <string> 10 11 #include "base/basictypes.h" 12 #include "base/files/file_path.h" 13 #include "chrome/browser/sync_file_system/sync_file_type.h" 14 #include "webkit/browser/fileapi/file_system_url.h" 15 16 namespace sync_file_system { 17 18 class FileChange { 19 public: 20 enum ChangeType { 21 FILE_CHANGE_ADD_OR_UPDATE, 22 FILE_CHANGE_DELETE, 23 }; 24 25 FileChange(ChangeType change, SyncFileType file_type); 26 27 bool IsAddOrUpdate() const { return change_ == FILE_CHANGE_ADD_OR_UPDATE; } 28 bool IsDelete() const { return change_ == FILE_CHANGE_DELETE; } 29 30 bool IsFile() const { return file_type_ == SYNC_FILE_TYPE_FILE; } 31 bool IsDirectory() const { return file_type_ == SYNC_FILE_TYPE_DIRECTORY; } 32 bool IsTypeUnknown() const { return !IsFile() && !IsDirectory(); } 33 34 ChangeType change() const { return change_; } 35 SyncFileType file_type() const { return file_type_; } 36 37 std::string DebugString() const; 38 39 bool operator==(const FileChange& that) const { 40 return change() == that.change() && 41 file_type() == that.file_type(); 42 } 43 44 private: 45 ChangeType change_; 46 SyncFileType file_type_; 47 }; 48 49 class FileChangeList { 50 public: 51 typedef std::deque<FileChange> List; 52 53 FileChangeList(); 54 ~FileChangeList(); 55 56 // Updates the list with the |new_change|. 57 void Update(const FileChange& new_change); 58 59 size_t size() const { return list_.size(); } 60 bool empty() const { return list_.empty(); } 61 void clear() { list_.clear(); } 62 const List& list() const { return list_; } 63 const FileChange& front() const { return list_.front(); } 64 const FileChange& back() const { return list_.back(); } 65 66 FileChangeList PopAndGetNewList() const; 67 68 std::string DebugString() const; 69 70 private: 71 List list_; 72 }; 73 74 } // namespace sync_file_system 75 76 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_FILE_CHANGE_H_ 77
