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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 <sstream> | |
| 6 | |
| 7 #include "base/stringprintf.h" | |
| 8 #include "webkit/fileapi/syncable/file_change.h" | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 | |
| 12 namespace sync_file_system { | |
| 13 | |
| 14 FileChange::FileChange( | |
| 15 ChangeType change, | |
| 16 SyncFileType file_type) | |
| 17 : change_(change), | |
| 18 file_type_(file_type) {} | |
| 19 | |
| 20 std::string FileChange::DebugString() const { | |
| 21 const char* change_string = NULL; | |
| 22 switch (change()) { | |
| 23 case FILE_CHANGE_ADD_OR_UPDATE: | |
| 24 change_string = "ADD_OR_UPDATE"; | |
| 25 break; | |
| 26 case FILE_CHANGE_DELETE: | |
| 27 change_string = "DELETE"; | |
| 28 break; | |
| 29 } | |
| 30 const char* type_string = "UNKNOWN"; | |
| 31 switch (file_type()) { | |
| 32 case SYNC_FILE_TYPE_FILE: | |
| 33 type_string = "FILE"; | |
| 34 break; | |
| 35 case SYNC_FILE_TYPE_DIRECTORY: | |
| 36 type_string = "DIRECTORY"; | |
| 37 break; | |
| 38 case SYNC_FILE_TYPE_UNKNOWN: | |
| 39 type_string = "UNKNOWN"; | |
| 40 break; | |
| 41 } | |
| 42 return base::StringPrintf("%s:%s", change_string, type_string); | |
| 43 } | |
| 44 | |
| 45 FileChangeList::FileChangeList() {} | |
| 46 FileChangeList::~FileChangeList() {} | |
| 47 | |
| 48 void FileChangeList::Update(const FileChange& new_change) { | |
| 49 if (list_.empty()) { | |
| 50 list_.push_back(new_change); | |
| 51 return; | |
| 52 } | |
| 53 | |
| 54 FileChange& last = list_.back(); | |
| 55 if (last.IsFile() != new_change.IsFile()) { | |
| 56 list_.push_back(new_change); | |
| 57 return; | |
| 58 } | |
| 59 | |
| 60 if (last.change() == new_change.change()) | |
| 61 return; | |
| 62 | |
| 63 // ADD + DELETE on directory -> revert | |
| 64 if (!last.IsFile() && last.IsAddOrUpdate() && new_change.IsDelete()) { | |
| 65 list_.pop_back(); | |
| 66 return; | |
| 67 } | |
| 68 | |
| 69 // DELETE + ADD/UPDATE -> ADD/UPDATE | |
| 70 // ADD/UPDATE + DELETE -> DELETE | |
| 71 last = new_change; | |
| 72 } | |
| 73 | |
| 74 FileChangeList FileChangeList::PopAndGetNewList() const { | |
| 75 FileChangeList changes; | |
| 76 changes.list_ = this->list_; | |
| 77 changes.list_.pop_front(); | |
| 78 return changes; | |
| 79 } | |
| 80 | |
| 81 std::string FileChangeList::DebugString() const { | |
| 82 std::ostringstream ss; | |
| 83 ss << "{ "; | |
| 84 for (size_t i = 0; i < list_.size(); ++i) | |
| 85 ss << list_[i].DebugString() << ", "; | |
| 86 ss << "}"; | |
| 87 return ss.str(); | |
| 88 } | |
| 89 | |
| 90 } // namespace sync_file_system | |
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Chromium Code Reviews
Issue 15806012:
Move webkit/fileapi/syncable/* code to webkit/browser/fileapi (final!) (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src