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| 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/chromeos/drive/sync/remove_performer.h" | |
| 6 | |
| 7 #include "base/sequenced_task_runner.h" | |
| 8 #include "chrome/browser/chromeos/drive/sync/entry_revert_performer.h" | |
| 9 #include "components/drive/drive.pb.h" | |
| 10 #include "components/drive/drive_api_util.h" | |
| 11 #include "components/drive/file_system/operation_delegate.h" | |
| 12 #include "components/drive/file_system_core_util.h" | |
| 13 #include "components/drive/job_scheduler.h" | |
| 14 #include "components/drive/resource_entry_conversion.h" | |
| 15 #include "components/drive/resource_metadata.h" | |
| 16 #include "google_apis/drive/drive_api_parser.h" | |
| 17 | |
| 18 namespace drive { | |
| 19 namespace internal { | |
| 20 | |
| 21 namespace { | |
| 22 | |
| 23 // Updates local metadata and after remote unparenting. | |
| 24 FileError UpdateLocalStateAfterUnparent(ResourceMetadata* metadata, | |
| 25 const std::string& local_id) { | |
| 26 ResourceEntry entry; | |
| 27 FileError error = metadata->GetResourceEntryById(local_id, &entry); | |
| 28 if (error != FILE_ERROR_OK) | |
| 29 return error; | |
| 30 entry.set_parent_local_id(util::kDriveOtherDirLocalId); | |
| 31 return metadata->RefreshEntry(entry); | |
| 32 } | |
| 33 | |
| 34 // Utility function to run ResourceMetadata::RemoveEntry from UI thread. | |
| 35 void RemoveEntryOnUIThread(base::SequencedTaskRunner* blocking_task_runner, | |
| 36 ResourceMetadata* metadata, | |
| 37 const std::string& local_id, | |
| 38 const FileOperationCallback& callback) { | |
| 39 base::PostTaskAndReplyWithResult( | |
| 40 blocking_task_runner, | |
| 41 FROM_HERE, | |
| 42 base::Bind(&ResourceMetadata::RemoveEntry, | |
| 43 base::Unretained(metadata), local_id), | |
| 44 callback); | |
| 45 } | |
| 46 | |
| 47 } // namespace | |
| 48 | |
| 49 RemovePerformer::RemovePerformer( | |
| 50 base::SequencedTaskRunner* blocking_task_runner, | |
| 51 file_system::OperationDelegate* delegate, | |
| 52 JobScheduler* scheduler, | |
| 53 ResourceMetadata* metadata) | |
| 54 : blocking_task_runner_(blocking_task_runner), | |
| 55 delegate_(delegate), | |
| 56 scheduler_(scheduler), | |
| 57 metadata_(metadata), | |
| 58 entry_revert_performer_(new EntryRevertPerformer(blocking_task_runner, | |
| 59 delegate, | |
| 60 scheduler, | |
| 61 metadata)), | |
| 62 weak_ptr_factory_(this) { | |
| 63 } | |
| 64 | |
| 65 RemovePerformer::~RemovePerformer() { | |
| 66 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 67 } | |
| 68 | |
| 69 // Returns |entry| corresponding to |local_id|. | |
| 70 // Adding to that, removes the entry when it does not exist on the server. | |
| 71 FileError TryToRemoveLocally(ResourceMetadata* metadata, | |
| 72 const std::string& local_id, | |
| 73 ResourceEntry* entry) { | |
| 74 FileError error = metadata->GetResourceEntryById(local_id, entry); | |
| 75 if (error != FILE_ERROR_OK || !entry->resource_id().empty()) | |
| 76 return error; | |
| 77 return metadata->RemoveEntry(local_id); | |
| 78 } | |
| 79 | |
| 80 void RemovePerformer::Remove(const std::string& local_id, | |
| 81 const ClientContext& context, | |
| 82 const FileOperationCallback& callback) { | |
| 83 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 84 DCHECK(!callback.is_null()); | |
| 85 | |
| 86 ResourceEntry* entry = new ResourceEntry; | |
| 87 base::PostTaskAndReplyWithResult( | |
| 88 blocking_task_runner_.get(), | |
| 89 FROM_HERE, | |
| 90 base::Bind(&TryToRemoveLocally, metadata_, local_id, entry), | |
| 91 base::Bind(&RemovePerformer::RemoveAfterGetResourceEntry, | |
| 92 weak_ptr_factory_.GetWeakPtr(), | |
| 93 context, | |
| 94 callback, | |
| 95 base::Owned(entry))); | |
| 96 } | |
| 97 | |
| 98 void RemovePerformer::RemoveAfterGetResourceEntry( | |
| 99 const ClientContext& context, | |
| 100 const FileOperationCallback& callback, | |
| 101 const ResourceEntry* entry, | |
| 102 FileError error) { | |
| 103 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 104 DCHECK(!callback.is_null()); | |
| 105 | |
| 106 if (error != FILE_ERROR_OK || entry->resource_id().empty()) { | |
| 107 callback.Run(error); | |
| 108 return; | |
| 109 } | |
| 110 | |
| 111 // To match with the behavior of drive.google.com: | |
| 112 // Removal of shared entries under MyDrive is just removing from the parent. | |
| 113 // The entry will stay in shared-with-me (in other words, in "drive/other".) | |
| 114 // | |
| 115 // TODO(kinaba): to be more precise, we might be better to branch by whether | |
| 116 // or not the current account is an owner of the file. The code below is | |
| 117 // written under the assumption that |shared_with_me| coincides with that. | |
| 118 if (entry->shared_with_me()) { | |
| 119 UnparentResource(context, callback, entry->resource_id(), | |
| 120 entry->local_id()); | |
| 121 } else { | |
| 122 // Otherwise try sending the entry to trash. | |
| 123 TrashResource(context, callback, entry->resource_id(), entry->local_id()); | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 void RemovePerformer::TrashResource(const ClientContext& context, | |
| 128 const FileOperationCallback& callback, | |
| 129 const std::string& resource_id, | |
| 130 const std::string& local_id) { | |
| 131 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 132 DCHECK(!callback.is_null()); | |
| 133 | |
| 134 scheduler_->TrashResource( | |
| 135 resource_id, | |
| 136 context, | |
| 137 base::Bind(&RemovePerformer::TrashResourceAfterUpdateRemoteState, | |
| 138 weak_ptr_factory_.GetWeakPtr(), context, callback, local_id)); | |
| 139 } | |
| 140 | |
| 141 void RemovePerformer::TrashResourceAfterUpdateRemoteState( | |
| 142 const ClientContext& context, | |
| 143 const FileOperationCallback& callback, | |
| 144 const std::string& local_id, | |
| 145 google_apis::DriveApiErrorCode status) { | |
| 146 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 147 DCHECK(!callback.is_null()); | |
| 148 | |
| 149 if (status == google_apis::HTTP_FORBIDDEN) { | |
| 150 // Editing this entry is not allowed, revert local changes. | |
| 151 entry_revert_performer_->RevertEntry(local_id, context, callback); | |
| 152 delegate_->OnDriveSyncError( | |
| 153 file_system::DRIVE_SYNC_ERROR_DELETE_WITHOUT_PERMISSION, local_id); | |
| 154 return; | |
| 155 } | |
| 156 | |
| 157 FileError error = GDataToFileError(status); | |
| 158 if (error == FILE_ERROR_NOT_FOUND) { // Remove local entry when not found. | |
| 159 RemoveEntryOnUIThread(blocking_task_runner_.get(), metadata_, local_id, | |
| 160 callback); | |
| 161 return; | |
| 162 } | |
| 163 | |
| 164 // Now we're done. If the entry is trashed on the server, it'll be also | |
| 165 // deleted locally on the next update. | |
| 166 callback.Run(error); | |
| 167 } | |
| 168 | |
| 169 void RemovePerformer::UnparentResource(const ClientContext& context, | |
| 170 const FileOperationCallback& callback, | |
| 171 const std::string& resource_id, | |
| 172 const std::string& local_id) { | |
| 173 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 174 DCHECK(!callback.is_null()); | |
| 175 | |
| 176 scheduler_->GetFileResource( | |
| 177 resource_id, | |
| 178 context, | |
| 179 base::Bind(&RemovePerformer::UnparentResourceAfterGetFileResource, | |
| 180 weak_ptr_factory_.GetWeakPtr(), context, callback, local_id)); | |
| 181 } | |
| 182 | |
| 183 void RemovePerformer::UnparentResourceAfterGetFileResource( | |
| 184 const ClientContext& context, | |
| 185 const FileOperationCallback& callback, | |
| 186 const std::string& local_id, | |
| 187 google_apis::DriveApiErrorCode status, | |
| 188 scoped_ptr<google_apis::FileResource> file_resource) { | |
| 189 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 190 DCHECK(!callback.is_null()); | |
| 191 | |
| 192 FileError error = GDataToFileError(status); | |
| 193 if (error == FILE_ERROR_NOT_FOUND) { // Remove local entry when not found. | |
| 194 RemoveEntryOnUIThread(blocking_task_runner_.get(), metadata_, local_id, | |
| 195 callback); | |
| 196 return; | |
| 197 } | |
| 198 | |
| 199 if (error != FILE_ERROR_OK) { | |
| 200 callback.Run(error); | |
| 201 return; | |
| 202 } | |
| 203 | |
| 204 ResourceEntry entry; | |
| 205 std::string parent_resource_id; | |
| 206 if (!ConvertFileResourceToResourceEntry(*file_resource, &entry, | |
| 207 &parent_resource_id)) { | |
| 208 callback.Run(FILE_ERROR_NOT_A_FILE); | |
| 209 return; | |
| 210 } | |
| 211 | |
| 212 if (!entry.shared_with_me()) { | |
| 213 // shared_with_me() has changed on the server. | |
| 214 UnparentResourceAfterUpdateRemoteState(callback, local_id, | |
| 215 google_apis::HTTP_CONFLICT); | |
| 216 return; | |
| 217 } | |
| 218 | |
| 219 if (parent_resource_id.empty()) { | |
| 220 // This entry is unparented already. | |
| 221 UnparentResourceAfterUpdateRemoteState(callback, local_id, | |
| 222 google_apis::HTTP_NO_CONTENT); | |
| 223 return; | |
| 224 } | |
| 225 | |
| 226 scheduler_->RemoveResourceFromDirectory( | |
| 227 parent_resource_id, | |
| 228 entry.resource_id(), | |
| 229 context, | |
| 230 base::Bind(&RemovePerformer::UnparentResourceAfterUpdateRemoteState, | |
| 231 weak_ptr_factory_.GetWeakPtr(), callback, local_id)); | |
| 232 } | |
| 233 | |
| 234 void RemovePerformer::UnparentResourceAfterUpdateRemoteState( | |
| 235 const FileOperationCallback& callback, | |
| 236 const std::string& local_id, | |
| 237 google_apis::DriveApiErrorCode status) { | |
| 238 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 239 DCHECK(!callback.is_null()); | |
| 240 | |
| 241 FileError error = GDataToFileError(status); | |
| 242 if (error != FILE_ERROR_OK) { | |
| 243 callback.Run(error); | |
| 244 return; | |
| 245 } | |
| 246 | |
| 247 base::PostTaskAndReplyWithResult( | |
| 248 blocking_task_runner_.get(), | |
| 249 FROM_HERE, | |
| 250 base::Bind(&UpdateLocalStateAfterUnparent, metadata_, local_id), | |
| 251 callback); | |
| 252 } | |
| 253 | |
| 254 } // namespace internal | |
| 255 } // namespace drive | |
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Chromium Code Reviews
Issue 1314803004:
Move chrome/browser/chromeos/drive/file_system.cc (+deps) into components/drive. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master