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