| OLD | NEW |
|---|
| (Empty) |
| 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 #include "chrome/browser/sync_file_system/drive_backend/local_sync_operation_res
olver.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "chrome/browser/sync_file_system/drive_backend/drive_file_sync_service.
h" | |
| 9 #include "chrome/browser/sync_file_system/sync_file_system.pb.h" | |
| 10 | |
| 11 namespace sync_file_system { | |
| 12 | |
| 13 SyncOperationType LocalSyncOperationResolver::Resolve( | |
| 14 const FileChange& local_file_change, | |
| 15 const FileChange* remote_file_change, | |
| 16 const DriveMetadata* drive_metadata) { | |
| 17 // Invalid combination should never happen. | |
| 18 if (remote_file_change && remote_file_change->IsTypeUnknown()) | |
| 19 return SYNC_OPERATION_FAIL; | |
| 20 | |
| 21 bool is_conflicting = false; | |
| 22 SyncFileType remote_file_type_in_metadata = SYNC_FILE_TYPE_UNKNOWN; | |
| 23 if (drive_metadata) { | |
| 24 is_conflicting = drive_metadata->conflicted(); | |
| 25 remote_file_type_in_metadata = | |
| 26 DriveFileSyncService::DriveMetadataResourceTypeToSyncFileType( | |
| 27 drive_metadata->type()); | |
| 28 } | |
| 29 | |
| 30 switch (local_file_change.change()) { | |
| 31 case FileChange::FILE_CHANGE_ADD_OR_UPDATE: | |
| 32 switch (local_file_change.file_type()) { | |
| 33 case SYNC_FILE_TYPE_FILE: | |
| 34 return is_conflicting | |
| 35 ? ResolveForAddOrUpdateFileInConflict(remote_file_change) | |
| 36 : ResolveForAddOrUpdateFile(remote_file_change, | |
| 37 remote_file_type_in_metadata); | |
| 38 case SYNC_FILE_TYPE_DIRECTORY: | |
| 39 return is_conflicting | |
| 40 ? ResolveForAddDirectoryInConflict() | |
| 41 : ResolveForAddDirectory(remote_file_change, | |
| 42 remote_file_type_in_metadata); | |
| 43 case SYNC_FILE_TYPE_UNKNOWN: | |
| 44 NOTREACHED() << "Adding unknown type of local file."; | |
| 45 return SYNC_OPERATION_FAIL; | |
| 46 } | |
| 47 case FileChange::FILE_CHANGE_DELETE: | |
| 48 return is_conflicting | |
| 49 ? ResolveForDeleteInConflict(remote_file_change) | |
| 50 : ResolveForDelete(remote_file_change, | |
| 51 remote_file_type_in_metadata); | |
| 52 } | |
| 53 NOTREACHED() << "Detected unknown type of change for local file."; | |
| 54 return SYNC_OPERATION_FAIL; | |
| 55 } | |
| 56 | |
| 57 SyncOperationType LocalSyncOperationResolver::ResolveForAddOrUpdateFile( | |
| 58 const FileChange* remote_file_change, | |
| 59 SyncFileType remote_file_type_in_metadata) { | |
| 60 if (!remote_file_change) { | |
| 61 switch (remote_file_type_in_metadata) { | |
| 62 case SYNC_FILE_TYPE_UNKNOWN: | |
| 63 // Remote file or directory may not exist. | |
| 64 return SYNC_OPERATION_ADD_FILE; | |
| 65 case SYNC_FILE_TYPE_FILE: | |
| 66 return SYNC_OPERATION_UPDATE_FILE; | |
| 67 case SYNC_FILE_TYPE_DIRECTORY: | |
| 68 return SYNC_OPERATION_RESOLVE_TO_REMOTE; | |
| 69 } | |
| 70 NOTREACHED() << "Detected local add-or-update to" | |
| 71 << " unknown type of remote file."; | |
| 72 return SYNC_OPERATION_FAIL; | |
| 73 } | |
| 74 | |
| 75 switch (remote_file_change->change()) { | |
| 76 case FileChange::FILE_CHANGE_ADD_OR_UPDATE: | |
| 77 if (remote_file_change->IsFile()) | |
| 78 return SYNC_OPERATION_CONFLICT; | |
| 79 return SYNC_OPERATION_RESOLVE_TO_REMOTE; | |
| 80 case FileChange::FILE_CHANGE_DELETE: | |
| 81 return SYNC_OPERATION_RESOLVE_TO_LOCAL; | |
| 82 } | |
| 83 | |
| 84 NOTREACHED() << "Local add-or-update conflicted to" | |
| 85 << " unknown type of remote change."; | |
| 86 return SYNC_OPERATION_FAIL; | |
| 87 } | |
| 88 | |
| 89 SyncOperationType | |
| 90 LocalSyncOperationResolver::ResolveForAddOrUpdateFileInConflict( | |
| 91 const FileChange* remote_file_change) { | |
| 92 if (!remote_file_change) | |
| 93 return SYNC_OPERATION_CONFLICT; | |
| 94 switch (remote_file_change->change()) { | |
| 95 case FileChange::FILE_CHANGE_ADD_OR_UPDATE: | |
| 96 if (remote_file_change->IsFile()) | |
| 97 return SYNC_OPERATION_CONFLICT; | |
| 98 return SYNC_OPERATION_RESOLVE_TO_REMOTE; | |
| 99 case FileChange::FILE_CHANGE_DELETE: | |
| 100 return SYNC_OPERATION_RESOLVE_TO_LOCAL; | |
| 101 } | |
| 102 NOTREACHED() << "Local add-or-update for conflicting file conflicted to" | |
| 103 << " unknown type of remote change."; | |
| 104 return SYNC_OPERATION_FAIL; | |
| 105 } | |
| 106 | |
| 107 SyncOperationType LocalSyncOperationResolver::ResolveForAddDirectory( | |
| 108 const FileChange* remote_file_change, | |
| 109 SyncFileType remote_file_type_in_metadata) { | |
| 110 if (!remote_file_change) { | |
| 111 switch (remote_file_type_in_metadata) { | |
| 112 case SYNC_FILE_TYPE_UNKNOWN: | |
| 113 // Remote file or directory may not exist. | |
| 114 return SYNC_OPERATION_ADD_DIRECTORY; | |
| 115 case SYNC_FILE_TYPE_FILE: | |
| 116 return SYNC_OPERATION_RESOLVE_TO_LOCAL; | |
| 117 case SYNC_FILE_TYPE_DIRECTORY: | |
| 118 return SYNC_OPERATION_NONE; | |
| 119 } | |
| 120 NOTREACHED() << "Local add directory conflicted to" | |
| 121 << " unknown type of remote file."; | |
| 122 return SYNC_OPERATION_FAIL; | |
| 123 } | |
| 124 | |
| 125 switch (remote_file_change->change()) { | |
| 126 case FileChange::FILE_CHANGE_ADD_OR_UPDATE: | |
| 127 if (remote_file_change->IsFile()) | |
| 128 return SYNC_OPERATION_RESOLVE_TO_LOCAL; | |
| 129 return SYNC_OPERATION_NONE; | |
| 130 case FileChange::FILE_CHANGE_DELETE: | |
| 131 if (remote_file_change->IsFile()) | |
| 132 return SYNC_OPERATION_ADD_DIRECTORY; | |
| 133 return SYNC_OPERATION_RESOLVE_TO_LOCAL; | |
| 134 } | |
| 135 | |
| 136 NOTREACHED() << "Local add directory conflicted to" | |
| 137 << " unknown type of remote change."; | |
| 138 return SYNC_OPERATION_FAIL; | |
| 139 } | |
| 140 | |
| 141 SyncOperationType | |
| 142 LocalSyncOperationResolver::ResolveForAddDirectoryInConflict() { | |
| 143 return SYNC_OPERATION_RESOLVE_TO_LOCAL; | |
| 144 } | |
| 145 | |
| 146 SyncOperationType LocalSyncOperationResolver::ResolveForDelete( | |
| 147 const FileChange* remote_file_change, | |
| 148 SyncFileType remote_file_type_in_metadata) { | |
| 149 if (!remote_file_change) | |
| 150 return SYNC_OPERATION_DELETE; | |
| 151 | |
| 152 switch (remote_file_change->change()) { | |
| 153 case FileChange::FILE_CHANGE_ADD_OR_UPDATE: | |
| 154 return SYNC_OPERATION_RESOLVE_TO_REMOTE; | |
| 155 case FileChange::FILE_CHANGE_DELETE: | |
| 156 return SYNC_OPERATION_DELETE_METADATA; | |
| 157 } | |
| 158 | |
| 159 NOTREACHED() << "Local file deletion conflicted to" | |
| 160 << " unknown type of remote change."; | |
| 161 return SYNC_OPERATION_FAIL; | |
| 162 } | |
| 163 | |
| 164 SyncOperationType LocalSyncOperationResolver::ResolveForDeleteInConflict( | |
| 165 const FileChange* remote_file_change) { | |
| 166 if (!remote_file_change) | |
| 167 return SYNC_OPERATION_RESOLVE_TO_REMOTE; | |
| 168 switch (remote_file_change->change()) { | |
| 169 case FileChange::FILE_CHANGE_ADD_OR_UPDATE: | |
| 170 return SYNC_OPERATION_RESOLVE_TO_REMOTE; | |
| 171 case FileChange::FILE_CHANGE_DELETE: | |
| 172 return SYNC_OPERATION_DELETE_METADATA; | |
| 173 } | |
| 174 NOTREACHED() << "Local file deletion for conflicting file conflicted to" | |
| 175 << " unknown type of remote change."; | |
| 176 return SYNC_OPERATION_FAIL; | |
| 177 } | |
| 178 | |
| 179 } // namespace sync_file_system | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 23787003:
[SyncFS] Move SyncFS V1 files from drive_backend to drive_backend_v1 (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src