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| 1 // Copyright (c) 2006-2008 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 #ifdef CHROME_PERSONALIZATION | |
| 6 #include "chrome/browser/sync/profile_sync_service.h" | |
| 7 | |
| 8 #include <stack> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/command_line.h" | |
| 13 #include "base/file_path.h" | |
| 14 #include "base/file_util.h" | |
| 15 #include "base/gfx/png_encoder.h" | |
| 16 #include "base/stl_util-inl.h" | |
| 17 #include "base/string_util.h" | |
| 18 #include "base/time.h" | |
| 19 #include "chrome/browser/bookmarks/bookmark_utils.h" | |
| 20 #include "chrome/browser/history/history_notifications.h" | |
| 21 #include "chrome/browser/history/history_types.h" | |
| 22 #include "chrome/browser/profile.h" | |
| 23 #include "chrome/common/chrome_switches.h" | |
| 24 #include "chrome/common/pref_service.h" | |
| 25 #include "chrome/common/time_format.h" | |
| 26 #include "chrome/browser/sync/personalization.h" | |
| 27 #include "chrome/browser/sync/personalization_strings.h" | |
| 28 #include "chrome/browser/sync/engine/syncapi.h" | |
| 29 #include "views/window/window.h" | |
| 30 | |
| 31 using browser_sync::ModelAssociator; | |
| 32 using browser_sync::SyncBackendHost; | |
| 33 | |
| 34 ProfileSyncService::ProfileSyncService(Profile* profile) | |
| 35 : last_auth_error_(AUTH_ERROR_NONE), | |
| 36 profile_(profile), | |
| 37 backend_initialized_(false), | |
| 38 expecting_first_run_auth_needed_event_(false), | |
| 39 is_auth_in_progress_(false), | |
| 40 ready_to_process_changes_(false), | |
| 41 unrecoverable_error_detected_(false), | |
| 42 ALLOW_THIS_IN_INITIALIZER_LIST(wizard_(this)) { | |
| 43 } | |
| 44 | |
| 45 ProfileSyncService::~ProfileSyncService() { | |
| 46 Shutdown(false); | |
| 47 } | |
| 48 | |
| 49 void ProfileSyncService::Initialize() { | |
| 50 InitSettings(); | |
| 51 RegisterPreferences(); | |
| 52 if (!profile()->GetPrefs()->GetBoolean(prefs::kSyncHasSetupCompleted)) | |
| 53 DisableForUser(); // Clean up in case of previous crash / setup abort. | |
| 54 else | |
| 55 StartUp(); | |
| 56 } | |
| 57 | |
| 58 void ProfileSyncService::InitSettings() { | |
| 59 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
| 60 | |
| 61 // Override the sync server URL from the command-line, if sync server and sync | |
| 62 // port command-line arguments exist. | |
| 63 if (command_line.HasSwitch(switches::kSyncServiceURL)) { | |
| 64 std::wstring value(command_line.GetSwitchValue(switches::kSyncServiceURL)); | |
| 65 if (!value.empty()) { | |
| 66 GURL custom_sync_url(WideToUTF8(value)); | |
| 67 if (custom_sync_url.is_valid()) { | |
| 68 sync_service_url_ = custom_sync_url; | |
| 69 } else { | |
| 70 LOG(WARNING) << "The following sync URL specified at the command-line " | |
| 71 << "is invalid: " << value; | |
| 72 } | |
| 73 } | |
| 74 } else { | |
| 75 NOTREACHED() << "--sync-url is required when sync is enabled."; | |
| 76 } | |
| 77 | |
| 78 if (command_line.HasSwitch(switches::kSyncServicePort)) { | |
| 79 std::string port_str = WideToUTF8(command_line.GetSwitchValue( | |
| 80 switches::kSyncServicePort)); | |
| 81 if (!port_str.empty()) { | |
| 82 GURL::Replacements replacements; | |
| 83 replacements.SetPortStr(port_str); | |
| 84 sync_service_url_ = sync_service_url_.ReplaceComponents(replacements); | |
| 85 } | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 void ProfileSyncService::RegisterPreferences() { | |
| 90 PrefService* pref_service = profile_->GetPrefs(); | |
| 91 if (pref_service->IsPrefRegistered(prefs::kSyncUserName)) | |
| 92 return; | |
| 93 pref_service->RegisterStringPref(prefs::kSyncUserName, std::wstring()); | |
| 94 pref_service->RegisterStringPref(prefs::kSyncLastSyncedTime, std::wstring()); | |
| 95 pref_service->RegisterBooleanPref(prefs::kSyncHasSetupCompleted, false); | |
| 96 } | |
| 97 | |
| 98 void ProfileSyncService::LoadPreferences() { | |
| 99 PrefService* pref_service = profile_->GetPrefs(); | |
| 100 std::wstring last_synced_time_string = | |
| 101 pref_service->GetString(prefs::kSyncLastSyncedTime); | |
| 102 if (!last_synced_time_string.empty()) { | |
| 103 int64 last_synced_time; | |
| 104 bool success = StringToInt64(WideToUTF16(last_synced_time_string), | |
| 105 &last_synced_time); | |
| 106 if (success) { | |
| 107 last_synced_time_ = base::Time::FromInternalValue(last_synced_time); | |
| 108 } else { | |
| 109 NOTREACHED(); | |
| 110 } | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 void ProfileSyncService::ClearPreferences() { | |
| 115 PrefService* pref_service = profile_->GetPrefs(); | |
| 116 pref_service->ClearPref(prefs::kSyncUserName); | |
| 117 pref_service->ClearPref(prefs::kSyncLastSyncedTime); | |
| 118 pref_service->ClearPref(prefs::kSyncHasSetupCompleted); | |
| 119 | |
| 120 pref_service->ScheduleSavePersistentPrefs(); | |
| 121 } | |
| 122 | |
| 123 void ProfileSyncService::InitializeBackend() { | |
| 124 backend_->Initialize(sync_service_url_); | |
| 125 } | |
| 126 | |
| 127 void ProfileSyncService::StartUp() { | |
| 128 // Don't start up multiple times. | |
| 129 if (backend_.get()) | |
| 130 return; | |
| 131 | |
| 132 LoadPreferences(); | |
| 133 | |
| 134 backend_.reset(new SyncBackendHost(this, profile_->GetPath())); | |
| 135 | |
| 136 // We add ourselves as an observer, and we remain one forever. Note we don't | |
| 137 // keep any pointer to the model, we just receive notifications from it. | |
| 138 BookmarkModel* model = profile_->GetBookmarkModel(); | |
| 139 model->AddObserver(this); | |
| 140 | |
| 141 // Create new model assocation manager. | |
| 142 model_associator_ = new ModelAssociator(this); | |
| 143 | |
| 144 // TODO(timsteele): HttpBridgeFactory should take a const* to the profile's | |
| 145 // URLRequestContext, because it needs it to create HttpBridge objects, and | |
| 146 // it may need to do that before the default request context has been set | |
| 147 // up. For now, call GetRequestContext lazy-init to force creation. | |
| 148 profile_->GetRequestContext(); | |
| 149 InitializeBackend(); | |
| 150 } | |
| 151 | |
| 152 void ProfileSyncService::Shutdown(bool sync_disabled) { | |
| 153 if (backend_.get()) { | |
| 154 backend_->Shutdown(sync_disabled); | |
| 155 backend_.reset(); | |
| 156 } | |
| 157 | |
| 158 BookmarkModel* model = profile_->GetBookmarkModel(); | |
| 159 if (model) | |
| 160 model->RemoveObserver(this); | |
| 161 | |
| 162 // Clear all assocations and throw away the assocation manager instance. | |
| 163 if (model_associator_.get()) { | |
| 164 model_associator_->ClearAll(); | |
| 165 model_associator_ = NULL; | |
| 166 } | |
| 167 | |
| 168 // Clear various flags. | |
| 169 is_auth_in_progress_ = false; | |
| 170 backend_initialized_ = false; | |
| 171 expecting_first_run_auth_needed_event_ = false; | |
| 172 ready_to_process_changes_ = false; | |
| 173 last_attempted_user_email_.clear(); | |
| 174 } | |
| 175 | |
| 176 void ProfileSyncService::EnableForUser() { | |
| 177 if (wizard_.IsVisible()) { | |
| 178 // TODO(timsteele): Focus wizard. | |
| 179 return; | |
| 180 } | |
| 181 expecting_first_run_auth_needed_event_ = true; | |
| 182 | |
| 183 StartUp(); | |
| 184 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 185 } | |
| 186 | |
| 187 void ProfileSyncService::DisableForUser() { | |
| 188 if (wizard_.IsVisible()) { | |
| 189 // TODO(timsteele): Focus wizard. | |
| 190 return; | |
| 191 } | |
| 192 Shutdown(true); | |
| 193 ClearPreferences(); | |
| 194 | |
| 195 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 196 } | |
| 197 | |
| 198 void ProfileSyncService::Loaded(BookmarkModel* model) { | |
| 199 StartProcessingChangesIfReady(); | |
| 200 } | |
| 201 | |
| 202 void ProfileSyncService::UpdateSyncNodeProperties(const BookmarkNode* src, | |
| 203 sync_api::WriteNode* dst) { | |
| 204 // Set the properties of the item. | |
| 205 dst->SetIsFolder(src->is_folder()); | |
| 206 dst->SetTitle(WideToUTF16(src->GetTitle()).c_str()); | |
| 207 // URL is passed as a C string here because this interface avoids | |
| 208 // string16. SetURL copies the data into its own memory. | |
| 209 string16 url = UTF8ToUTF16(src->GetURL().spec()); | |
| 210 dst->SetURL(url.c_str()); | |
| 211 SetSyncNodeFavicon(src, dst); | |
| 212 } | |
| 213 | |
| 214 void ProfileSyncService::EncodeFavicon(const BookmarkNode* src, | |
| 215 std::vector<unsigned char>* dst) const { | |
| 216 const SkBitmap& favicon = profile_->GetBookmarkModel()->GetFavIcon(src); | |
| 217 | |
| 218 dst->clear(); | |
| 219 | |
| 220 // Check for zero-dimension images. This can happen if the favicon is | |
| 221 // still being loaded. | |
| 222 if (favicon.empty()) | |
| 223 return; | |
| 224 | |
| 225 // Re-encode the BookmarkNode's favicon as a PNG, and pass the data to the | |
| 226 // sync subsystem. | |
| 227 if (!PNGEncoder::EncodeBGRASkBitmap(favicon, false, dst)) | |
| 228 return; | |
| 229 } | |
| 230 | |
| 231 void ProfileSyncService::RemoveOneSyncNode(sync_api::WriteTransaction* trans, | |
| 232 const BookmarkNode* node) { | |
| 233 sync_api::WriteNode sync_node(trans); | |
| 234 if (!model_associator_->InitSyncNodeFromBookmarkId(node->id(), &sync_node)) { | |
| 235 SetUnrecoverableError(); | |
| 236 return; | |
| 237 } | |
| 238 // This node should have no children. | |
| 239 DCHECK(sync_node.GetFirstChildId() == sync_api::kInvalidId); | |
| 240 // Remove association and delete the sync node. | |
| 241 model_associator_->DisassociateIds(sync_node.GetId()); | |
| 242 sync_node.Remove(); | |
| 243 } | |
| 244 | |
| 245 void ProfileSyncService::RemoveSyncNodeHierarchy(const BookmarkNode* topmost) { | |
| 246 sync_api::WriteTransaction trans(backend_->GetUserShareHandle()); | |
| 247 | |
| 248 // Later logic assumes that |topmost| has been unlinked. | |
| 249 DCHECK(!topmost->GetParent()); | |
| 250 | |
| 251 // A BookmarkModel deletion event means that |node| and all its children were | |
| 252 // deleted. Sync backend expects children to be deleted individually, so we do | |
| 253 // a depth-first-search here. At each step, we consider the |index|-th child | |
| 254 // of |node|. |index_stack| stores index values for the parent levels. | |
| 255 std::stack<int> index_stack; | |
| 256 index_stack.push(0); // For the final pop. It's never used. | |
| 257 const BookmarkNode* node = topmost; | |
| 258 int index = 0; | |
| 259 while (node) { | |
| 260 // The top of |index_stack| should always be |node|'s index. | |
| 261 DCHECK(!node->GetParent() || (node->GetParent()->IndexOfChild(node) == | |
| 262 index_stack.top())); | |
| 263 if (index == node->GetChildCount()) { | |
| 264 // If we've processed all of |node|'s children, delete |node| and move | |
| 265 // on to its successor. | |
| 266 RemoveOneSyncNode(&trans, node); | |
| 267 node = node->GetParent(); | |
| 268 index = index_stack.top() + 1; // (top() + 0) was what we removed. | |
| 269 index_stack.pop(); | |
| 270 } else { | |
| 271 // If |node| has an unprocessed child, process it next after pushing the | |
| 272 // current state onto the stack. | |
| 273 DCHECK_LT(index, node->GetChildCount()); | |
| 274 index_stack.push(index); | |
| 275 node = node->GetChild(index); | |
| 276 index = 0; | |
| 277 } | |
| 278 } | |
| 279 DCHECK(index_stack.empty()); // Nothing should be left on the stack. | |
| 280 } | |
| 281 | |
| 282 bool ProfileSyncService::MergeAndSyncAcceptanceNeeded() const { | |
| 283 // If we've shown the dialog before, don't show it again. | |
| 284 if (profile_->GetPrefs()->GetBoolean(prefs::kSyncHasSetupCompleted)) | |
| 285 return false; | |
| 286 | |
| 287 return model_associator_->BookmarkModelHasUserCreatedNodes() && | |
| 288 model_associator_->SyncModelHasUserCreatedNodes(); | |
| 289 } | |
| 290 | |
| 291 bool ProfileSyncService::IsSyncEnabledByUser() const { | |
| 292 return profile_->GetPrefs()->GetBoolean(prefs::kSyncHasSetupCompleted); | |
| 293 } | |
| 294 | |
| 295 void ProfileSyncService::UpdateLastSyncedTime() { | |
| 296 last_synced_time_ = base::Time::Now(); | |
| 297 profile_->GetPrefs()->SetString(prefs::kSyncLastSyncedTime, | |
| 298 Int64ToWString(last_synced_time_.ToInternalValue())); | |
| 299 } | |
| 300 | |
| 301 void ProfileSyncService::BookmarkNodeAdded(BookmarkModel* model, | |
| 302 const BookmarkNode* parent, | |
| 303 int index) { | |
| 304 if (!ShouldPushChanges()) | |
| 305 return; | |
| 306 | |
| 307 DCHECK(backend_->GetUserShareHandle()); | |
| 308 | |
| 309 // Acquire a scoped write lock via a transaction. | |
| 310 sync_api::WriteTransaction trans(backend_->GetUserShareHandle()); | |
| 311 | |
| 312 CreateSyncNode(parent, index, &trans); | |
| 313 } | |
| 314 | |
| 315 int64 ProfileSyncService::CreateSyncNode(const BookmarkNode* parent, | |
| 316 int index, | |
| 317 sync_api::WriteTransaction* trans) { | |
| 318 const BookmarkNode* child = parent->GetChild(index); | |
| 319 DCHECK(child); | |
| 320 | |
| 321 // Create a WriteNode container to hold the new node. | |
| 322 sync_api::WriteNode sync_child(trans); | |
| 323 | |
| 324 // Actually create the node with the appropriate initial position. | |
| 325 if (!PlaceSyncNode(CREATE, parent, index, trans, &sync_child)) { | |
| 326 LOG(WARNING) << "Sync node creation failed; recovery unlikely"; | |
| 327 SetUnrecoverableError(); | |
| 328 return sync_api::kInvalidId; | |
| 329 } | |
| 330 | |
| 331 UpdateSyncNodeProperties(child, &sync_child); | |
| 332 | |
| 333 // Associate the ID from the sync domain with the bookmark node, so that we | |
| 334 // can refer back to this item later. | |
| 335 model_associator_->AssociateIds(child->id(), sync_child.GetId()); | |
| 336 | |
| 337 return sync_child.GetId(); | |
| 338 } | |
| 339 | |
| 340 void ProfileSyncService::BookmarkNodeRemoved(BookmarkModel* model, | |
| 341 const BookmarkNode* parent, | |
| 342 int index, | |
| 343 const BookmarkNode* node) { | |
| 344 if (!ShouldPushChanges()) | |
| 345 return; | |
| 346 | |
| 347 RemoveSyncNodeHierarchy(node); | |
| 348 } | |
| 349 | |
| 350 void ProfileSyncService::BookmarkNodeChanged(BookmarkModel* model, | |
| 351 const BookmarkNode* node) { | |
| 352 if (!ShouldPushChanges()) | |
| 353 return; | |
| 354 | |
| 355 // We shouldn't see changes to the top-level nodes. | |
| 356 DCHECK_NE(node, model->GetBookmarkBarNode()); | |
| 357 DCHECK_NE(node, model->other_node()); | |
| 358 | |
| 359 // Acquire a scoped write lock via a transaction. | |
| 360 sync_api::WriteTransaction trans(backend_->GetUserShareHandle()); | |
| 361 | |
| 362 // Lookup the sync node that's associated with |node|. | |
| 363 sync_api::WriteNode sync_node(&trans); | |
| 364 if (!model_associator_->InitSyncNodeFromBookmarkId(node->id(), &sync_node)) { | |
| 365 SetUnrecoverableError(); | |
| 366 return; | |
| 367 } | |
| 368 | |
| 369 UpdateSyncNodeProperties(node, &sync_node); | |
| 370 | |
| 371 DCHECK_EQ(sync_node.GetIsFolder(), node->is_folder()); | |
| 372 DCHECK_EQ(model_associator_->GetBookmarkNodeFromSyncId( | |
| 373 sync_node.GetParentId()), | |
| 374 node->GetParent()); | |
| 375 // This node's index should be one more than the predecessor's index. | |
| 376 DCHECK_EQ(node->GetParent()->IndexOfChild(node), | |
| 377 CalculateBookmarkModelInsertionIndex(node->GetParent(), | |
| 378 &sync_node)); | |
| 379 } | |
| 380 | |
| 381 void ProfileSyncService::BookmarkNodeMoved(BookmarkModel* model, | |
| 382 const BookmarkNode* old_parent, | |
| 383 int old_index, | |
| 384 const BookmarkNode* new_parent, | |
| 385 int new_index) { | |
| 386 if (!ShouldPushChanges()) | |
| 387 return; | |
| 388 | |
| 389 const BookmarkNode* child = new_parent->GetChild(new_index); | |
| 390 // We shouldn't see changes to the top-level nodes. | |
| 391 DCHECK_NE(child, model->GetBookmarkBarNode()); | |
| 392 DCHECK_NE(child, model->other_node()); | |
| 393 | |
| 394 // Acquire a scoped write lock via a transaction. | |
| 395 sync_api::WriteTransaction trans(backend_->GetUserShareHandle()); | |
| 396 | |
| 397 // Lookup the sync node that's associated with |child|. | |
| 398 sync_api::WriteNode sync_node(&trans); | |
| 399 if (!model_associator_->InitSyncNodeFromBookmarkId(child->id(), | |
| 400 &sync_node)) { | |
| 401 SetUnrecoverableError(); | |
| 402 return; | |
| 403 } | |
| 404 | |
| 405 if (!PlaceSyncNode(MOVE, new_parent, new_index, &trans, &sync_node)) { | |
| 406 SetUnrecoverableError(); | |
| 407 return; | |
| 408 } | |
| 409 } | |
| 410 | |
| 411 void ProfileSyncService::BookmarkNodeFavIconLoaded(BookmarkModel* model, | |
| 412 const BookmarkNode* node) { | |
| 413 BookmarkNodeChanged(model, node); | |
| 414 } | |
| 415 | |
| 416 void ProfileSyncService::BookmarkNodeChildrenReordered( | |
| 417 BookmarkModel* model, const BookmarkNode* node) { | |
| 418 if (!ShouldPushChanges()) | |
| 419 return; | |
| 420 | |
| 421 // Acquire a scoped write lock via a transaction. | |
| 422 sync_api::WriteTransaction trans(backend_->GetUserShareHandle()); | |
| 423 | |
| 424 // The given node's children got reordered. We need to reorder all the | |
| 425 // children of the corresponding sync node. | |
| 426 for (int i = 0; i < node->GetChildCount(); ++i) { | |
| 427 sync_api::WriteNode sync_child(&trans); | |
| 428 if (!model_associator_->InitSyncNodeFromBookmarkId(node->GetChild(i)->id(), | |
| 429 &sync_child)) { | |
| 430 SetUnrecoverableError(); | |
| 431 return; | |
| 432 } | |
| 433 DCHECK_EQ(sync_child.GetParentId(), | |
| 434 model_associator_->GetSyncIdFromBookmarkId(node->id())); | |
| 435 | |
| 436 if (!PlaceSyncNode(MOVE, node, i, &trans, &sync_child)) { | |
| 437 SetUnrecoverableError(); | |
| 438 return; | |
| 439 } | |
| 440 } | |
| 441 } | |
| 442 | |
| 443 bool ProfileSyncService::PlaceSyncNode(MoveOrCreate operation, | |
| 444 const BookmarkNode* parent, | |
| 445 int index, | |
| 446 sync_api::WriteTransaction* trans, | |
| 447 sync_api::WriteNode* dst) { | |
| 448 sync_api::ReadNode sync_parent(trans); | |
| 449 if (!model_associator_->InitSyncNodeFromBookmarkId(parent->id(), | |
| 450 &sync_parent)) { | |
| 451 LOG(WARNING) << "Parent lookup failed"; | |
| 452 SetUnrecoverableError(); | |
| 453 return false; | |
| 454 } | |
| 455 | |
| 456 bool success = false; | |
| 457 if (index == 0) { | |
| 458 // Insert into first position. | |
| 459 success = (operation == CREATE) ? dst->InitByCreation(sync_parent, NULL) : | |
| 460 dst->SetPosition(sync_parent, NULL); | |
| 461 if (success) { | |
| 462 DCHECK_EQ(dst->GetParentId(), sync_parent.GetId()); | |
| 463 DCHECK_EQ(dst->GetId(), sync_parent.GetFirstChildId()); | |
| 464 DCHECK_EQ(dst->GetPredecessorId(), sync_api::kInvalidId); | |
| 465 } | |
| 466 } else { | |
| 467 // Find the bookmark model predecessor, and insert after it. | |
| 468 const BookmarkNode* prev = parent->GetChild(index - 1); | |
| 469 sync_api::ReadNode sync_prev(trans); | |
| 470 if (!model_associator_->InitSyncNodeFromBookmarkId(prev->id(), | |
| 471 &sync_prev)) { | |
| 472 LOG(WARNING) << "Predecessor lookup failed"; | |
| 473 return false; | |
| 474 } | |
| 475 success = (operation == CREATE) ? | |
| 476 dst->InitByCreation(sync_parent, &sync_prev) : | |
| 477 dst->SetPosition(sync_parent, &sync_prev); | |
| 478 if (success) { | |
| 479 DCHECK_EQ(dst->GetParentId(), sync_parent.GetId()); | |
| 480 DCHECK_EQ(dst->GetPredecessorId(), sync_prev.GetId()); | |
| 481 DCHECK_EQ(dst->GetId(), sync_prev.GetSuccessorId()); | |
| 482 } | |
| 483 } | |
| 484 return success; | |
| 485 } | |
| 486 | |
| 487 // An invariant has been violated. Transition to an error state where we try | |
| 488 // to do as little work as possible, to avoid further corruption or crashes. | |
| 489 void ProfileSyncService::SetUnrecoverableError() { | |
| 490 unrecoverable_error_detected_ = true; | |
| 491 LOG(ERROR) << "Unrecoverable error detected -- ProfileSyncService unusable."; | |
| 492 } | |
| 493 | |
| 494 // Determine the bookmark model index to which a node must be moved so that | |
| 495 // predecessor of the node (in the bookmark model) matches the predecessor of | |
| 496 // |source| (in the sync model). | |
| 497 // As a precondition, this assumes that the predecessor of |source| has been | |
| 498 // updated and is already in the correct position in the bookmark model. | |
| 499 int ProfileSyncService::CalculateBookmarkModelInsertionIndex( | |
| 500 const BookmarkNode* parent, | |
| 501 const sync_api::BaseNode* child_info) const { | |
| 502 DCHECK(parent); | |
| 503 DCHECK(child_info); | |
| 504 int64 predecessor_id = child_info->GetPredecessorId(); | |
| 505 // A return ID of kInvalidId indicates no predecessor. | |
| 506 if (predecessor_id == sync_api::kInvalidId) | |
| 507 return 0; | |
| 508 | |
| 509 // Otherwise, insert after the predecessor bookmark node. | |
| 510 const BookmarkNode* predecessor = | |
| 511 model_associator_->GetBookmarkNodeFromSyncId(predecessor_id); | |
| 512 DCHECK(predecessor); | |
| 513 DCHECK_EQ(predecessor->GetParent(), parent); | |
| 514 return parent->IndexOfChild(predecessor) + 1; | |
| 515 } | |
| 516 | |
| 517 void ProfileSyncService::OnBackendInitialized() { | |
| 518 backend_initialized_ = true; | |
| 519 | |
| 520 PrefService* pref_service = profile_->GetPrefs(); | |
| 521 DCHECK(pref_service->IsPrefRegistered(prefs::kSyncUserName)); | |
| 522 pref_service->SetString(prefs::kSyncUserName, | |
| 523 UTF16ToWide(backend_->GetAuthenticatedUsername())); | |
| 524 StartProcessingChangesIfReady(); | |
| 525 | |
| 526 // The very first time the backend initializes is effectively the first time | |
| 527 // we can say we successfully "synced". last_synced_time_ will only be null | |
| 528 // in this case, because the pref wasn't restored on StartUp. | |
| 529 if (last_synced_time_.is_null()) | |
| 530 UpdateLastSyncedTime(); | |
| 531 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 532 } | |
| 533 | |
| 534 void ProfileSyncService::OnSyncCycleCompleted() { | |
| 535 UpdateLastSyncedTime(); | |
| 536 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 537 } | |
| 538 | |
| 539 void ProfileSyncService::OnAuthError() { | |
| 540 last_auth_error_ = backend_->GetAuthErrorState(); | |
| 541 // Protect against the in-your-face dialogs that pop out of nowhere. | |
| 542 // Require the user to click somewhere to run the setup wizard in the case | |
| 543 // of a steady-state auth failure. | |
| 544 if (wizard_.IsVisible() || expecting_first_run_auth_needed_event_) { | |
| 545 wizard_.Step(AUTH_ERROR_NONE == backend_->GetAuthErrorState() ? | |
| 546 SyncSetupWizard::GAIA_SUCCESS : SyncSetupWizard::GAIA_LOGIN); | |
| 547 } | |
| 548 | |
| 549 if (expecting_first_run_auth_needed_event_) { | |
| 550 last_auth_error_ = AUTH_ERROR_NONE; | |
| 551 expecting_first_run_auth_needed_event_ = false; | |
| 552 } | |
| 553 | |
| 554 is_auth_in_progress_ = false; | |
| 555 // Fan the notification out to interested UI-thread components. | |
| 556 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 557 } | |
| 558 | |
| 559 void ProfileSyncService::ShowLoginDialog() { | |
| 560 if (wizard_.IsVisible()) | |
| 561 return; | |
| 562 if (last_auth_error_ != AUTH_ERROR_NONE) | |
| 563 wizard_.Step(SyncSetupWizard::GAIA_LOGIN); | |
| 564 } | |
| 565 | |
| 566 // ApplyModelChanges is called by the sync backend after changes have been made | |
| 567 // to the sync engine's model. Apply these changes to the browser bookmark | |
| 568 // model. | |
| 569 void ProfileSyncService::ApplyModelChanges( | |
| 570 const sync_api::BaseTransaction* trans, | |
| 571 const sync_api::SyncManager::ChangeRecord* changes, | |
| 572 int change_count) { | |
| 573 if (!ShouldPushChanges()) | |
| 574 return; | |
| 575 | |
| 576 // A note about ordering. Sync backend is responsible for ordering the change | |
| 577 // records in the following order: | |
| 578 // | |
| 579 // 1. Deletions, from leaves up to parents. | |
| 580 // 2. Existing items with synced parents & predecessors. | |
| 581 // 3. New items with synced parents & predecessors. | |
| 582 // 4. Items with parents & predecessors in the list. | |
| 583 // 5. Repeat #4 until all items are in the list. | |
| 584 // | |
| 585 // "Predecessor" here means the previous item within a given folder; an item | |
| 586 // in the first position is always said to have a synced predecessor. | |
| 587 // For the most part, applying these changes in the order given will yield | |
| 588 // the correct result. There is one exception, however: for items that are | |
| 589 // moved away from a folder that is being deleted, we will process the delete | |
| 590 // before the move. Since deletions in the bookmark model propagate from | |
| 591 // parent to child, we must move them to a temporary location. | |
| 592 BookmarkModel* model = profile_->GetBookmarkModel(); | |
| 593 | |
| 594 // We are going to make changes to the bookmarks model, but don't want to end | |
| 595 // up in a feedback loop, so remove ourselves as an observer while applying | |
| 596 // changes. | |
| 597 model->RemoveObserver(this); | |
| 598 | |
| 599 // A parent to hold nodes temporarily orphaned by parent deletion. It is | |
| 600 // lazily created inside the loop. | |
| 601 const BookmarkNode* foster_parent = NULL; | |
| 602 for (int i = 0; i < change_count; ++i) { | |
| 603 const BookmarkNode* dst = | |
| 604 model_associator_->GetBookmarkNodeFromSyncId(changes[i].id); | |
| 605 // Ignore changes to the permanent top-level nodes. We only care about | |
| 606 // their children. | |
| 607 if ((dst == model->GetBookmarkBarNode()) || (dst == model->other_node())) | |
| 608 continue; | |
| 609 if (changes[i].action == | |
| 610 sync_api::SyncManager::ChangeRecord::ACTION_DELETE) { | |
| 611 // Deletions should always be at the front of the list. | |
| 612 DCHECK(i == 0 || changes[i-1].action == changes[i].action); | |
| 613 // Children of a deleted node should not be deleted; they may be | |
| 614 // reparented by a later change record. Move them to a temporary place. | |
| 615 DCHECK(dst) << "Could not find node to be deleted"; | |
| 616 const BookmarkNode* parent = dst->GetParent(); | |
| 617 if (dst->GetChildCount()) { | |
| 618 if (!foster_parent) { | |
| 619 foster_parent = model->AddGroup(model->other_node(), | |
| 620 model->other_node()->GetChildCount(), | |
| 621 std::wstring()); | |
| 622 } | |
| 623 for (int i = dst->GetChildCount() - 1; i >= 0; --i) { | |
| 624 model->Move(dst->GetChild(i), foster_parent, | |
| 625 foster_parent->GetChildCount()); | |
| 626 } | |
| 627 } | |
| 628 DCHECK_EQ(dst->GetChildCount(), 0) << "Node being deleted has children"; | |
| 629 model->Remove(parent, parent->IndexOfChild(dst)); | |
| 630 dst = NULL; | |
| 631 model_associator_->DisassociateIds(changes[i].id); | |
| 632 } else { | |
| 633 DCHECK_EQ((changes[i].action == | |
| 634 sync_api::SyncManager::ChangeRecord::ACTION_ADD), (dst == NULL)) | |
| 635 << "ACTION_ADD should be seen if and only if the node is unknown."; | |
| 636 | |
| 637 sync_api::ReadNode src(trans); | |
| 638 if (!src.InitByIdLookup(changes[i].id)) { | |
| 639 LOG(ERROR) << "ApplyModelChanges was passed a bad ID"; | |
| 640 SetUnrecoverableError(); | |
| 641 return; | |
| 642 } | |
| 643 | |
| 644 CreateOrUpdateBookmarkNode(&src, model); | |
| 645 } | |
| 646 } | |
| 647 // Clean up the temporary node. | |
| 648 if (foster_parent) { | |
| 649 // There should be no nodes left under the foster parent. | |
| 650 DCHECK_EQ(foster_parent->GetChildCount(), 0); | |
| 651 model->Remove(foster_parent->GetParent(), | |
| 652 foster_parent->GetParent()->IndexOfChild(foster_parent)); | |
| 653 foster_parent = NULL; | |
| 654 } | |
| 655 | |
| 656 // We are now ready to hear about bookmarks changes again. | |
| 657 model->AddObserver(this); | |
| 658 } | |
| 659 | |
| 660 // Create a bookmark node corresponding to |src| if one is not already | |
| 661 // associated with |src|. | |
| 662 const BookmarkNode* ProfileSyncService::CreateOrUpdateBookmarkNode( | |
| 663 sync_api::BaseNode* src, | |
| 664 BookmarkModel* model) { | |
| 665 const BookmarkNode* parent = | |
| 666 model_associator_->GetBookmarkNodeFromSyncId(src->GetParentId()); | |
| 667 if (!parent) { | |
| 668 DLOG(WARNING) << "Could not find parent of node being added/updated." | |
| 669 << " Node title: " << src->GetTitle() | |
| 670 << ", parent id = " << src->GetParentId(); | |
| 671 return NULL; | |
| 672 } | |
| 673 int index = CalculateBookmarkModelInsertionIndex(parent, src); | |
| 674 const BookmarkNode* dst = model_associator_->GetBookmarkNodeFromSyncId( | |
| 675 src->GetId()); | |
| 676 if (!dst) { | |
| 677 dst = CreateBookmarkNode(src, parent, index); | |
| 678 model_associator_->AssociateIds(dst->id(), src->GetId()); | |
| 679 } else { | |
| 680 // URL and is_folder are not expected to change. | |
| 681 // TODO(ncarter): Determine if such changes should be legal or not. | |
| 682 DCHECK_EQ(src->GetIsFolder(), dst->is_folder()); | |
| 683 | |
| 684 // Handle reparenting and/or repositioning. | |
| 685 model->Move(dst, parent, index); | |
| 686 | |
| 687 // Handle title update and URL changes due to possible conflict resolution | |
| 688 // that can happen if both a local user change and server change occur | |
| 689 // within a sufficiently small time interval. | |
| 690 const BookmarkNode* old_dst = dst; | |
| 691 dst = bookmark_utils::ApplyEditsWithNoGroupChange(model, parent, dst, | |
| 692 UTF16ToWide(src->GetTitle()), | |
| 693 src->GetIsFolder() ? GURL() : GURL(src->GetURL()), | |
| 694 NULL); // NULL because we don't need a BookmarkEditor::Handler. | |
| 695 if (dst != old_dst) { // dst was replaced with a new node with new URL. | |
| 696 model_associator_->DisassociateIds(src->GetId()); | |
| 697 model_associator_->AssociateIds(dst->id(), src->GetId()); | |
| 698 } | |
| 699 SetBookmarkFavicon(src, dst); | |
| 700 } | |
| 701 | |
| 702 return dst; | |
| 703 } | |
| 704 | |
| 705 // Creates a bookmark node under the given parent node from the given sync | |
| 706 // node. Returns the newly created node. | |
| 707 const BookmarkNode* ProfileSyncService::CreateBookmarkNode( | |
| 708 sync_api::BaseNode* sync_node, | |
| 709 const BookmarkNode* parent, | |
| 710 int index) const { | |
| 711 DCHECK(parent); | |
| 712 DCHECK(index >= 0 && index <= parent->GetChildCount()); | |
| 713 BookmarkModel* model = profile_->GetBookmarkModel(); | |
| 714 | |
| 715 const BookmarkNode* node; | |
| 716 if (sync_node->GetIsFolder()) { | |
| 717 node = model->AddGroup(parent, index, UTF16ToWide(sync_node->GetTitle())); | |
| 718 } else { | |
| 719 GURL url(sync_node->GetURL()); | |
| 720 node = model->AddURL(parent, index, UTF16ToWide(sync_node->GetTitle()), url)
; | |
| 721 SetBookmarkFavicon(sync_node, node); | |
| 722 } | |
| 723 return node; | |
| 724 } | |
| 725 | |
| 726 // Sets the favicon of the given bookmark node from the given sync node. | |
| 727 bool ProfileSyncService::SetBookmarkFavicon( | |
| 728 sync_api::BaseNode* sync_node, | |
| 729 const BookmarkNode* bookmark_node) const { | |
| 730 size_t icon_size = 0; | |
| 731 const unsigned char* icon_bytes = sync_node->GetFaviconBytes(&icon_size); | |
| 732 if (!icon_size || !icon_bytes) | |
| 733 return false; | |
| 734 | |
| 735 // Registering a favicon requires that we provide a source URL, but we | |
| 736 // don't know where these came from. Currently we just use the | |
| 737 // destination URL, which is not correct, but since the favicon URL | |
| 738 // is used as a key in the history's thumbnail DB, this gives us a value | |
| 739 // which does not collide with others. | |
| 740 GURL fake_icon_url = bookmark_node->GetURL(); | |
| 741 | |
| 742 std::vector<unsigned char> icon_bytes_vector(icon_bytes, | |
| 743 icon_bytes + icon_size); | |
| 744 | |
| 745 HistoryService* history = | |
| 746 profile_->GetHistoryService(Profile::EXPLICIT_ACCESS); | |
| 747 | |
| 748 history->AddPage(bookmark_node->GetURL()); | |
| 749 history->SetFavIcon(bookmark_node->GetURL(), | |
| 750 fake_icon_url, | |
| 751 icon_bytes_vector); | |
| 752 | |
| 753 return true; | |
| 754 } | |
| 755 | |
| 756 void ProfileSyncService::SetSyncNodeFavicon( | |
| 757 const BookmarkNode* bookmark_node, | |
| 758 sync_api::WriteNode* sync_node) const { | |
| 759 std::vector<unsigned char> favicon_bytes; | |
| 760 EncodeFavicon(bookmark_node, &favicon_bytes); | |
| 761 if (!favicon_bytes.empty()) | |
| 762 sync_node->SetFaviconBytes(&favicon_bytes[0], favicon_bytes.size()); | |
| 763 } | |
| 764 | |
| 765 SyncBackendHost::StatusSummary ProfileSyncService::QuerySyncStatusSummary() { | |
| 766 return backend_->GetStatusSummary(); | |
| 767 } | |
| 768 | |
| 769 SyncBackendHost::Status ProfileSyncService::QueryDetailedSyncStatus() { | |
| 770 return backend_->GetDetailedStatus(); | |
| 771 } | |
| 772 | |
| 773 std::wstring ProfileSyncService::BuildSyncStatusSummaryText( | |
| 774 const sync_api::SyncManager::Status::Summary& summary) { | |
| 775 switch (summary) { | |
| 776 case sync_api::SyncManager::Status::OFFLINE: | |
| 777 return L"OFFLINE"; | |
| 778 case sync_api::SyncManager::Status::OFFLINE_UNSYNCED: | |
| 779 return L"OFFLINE_UNSYNCED"; | |
| 780 case sync_api::SyncManager::Status::SYNCING: | |
| 781 return L"SYNCING"; | |
| 782 case sync_api::SyncManager::Status::READY: | |
| 783 return L"READY"; | |
| 784 case sync_api::SyncManager::Status::PAUSED: | |
| 785 return L"PAUSED"; | |
| 786 case sync_api::SyncManager::Status::CONFLICT: | |
| 787 return L"CONFLICT"; | |
| 788 case sync_api::SyncManager::Status::OFFLINE_UNUSABLE: | |
| 789 return L"OFFLINE_UNUSABLE"; | |
| 790 case sync_api::SyncManager::Status::INVALID: // fall through | |
| 791 default: | |
| 792 return L"UNKNOWN"; | |
| 793 } | |
| 794 } | |
| 795 | |
| 796 std::wstring ProfileSyncService::GetLastSyncedTimeString() const { | |
| 797 if (last_synced_time_.is_null()) | |
| 798 return kLastSyncedTimeNever; | |
| 799 | |
| 800 base::TimeDelta last_synced = base::Time::Now() - last_synced_time_; | |
| 801 | |
| 802 if (last_synced < base::TimeDelta::FromMinutes(1)) | |
| 803 return kLastSyncedTimeWithinLastMinute; | |
| 804 | |
| 805 return TimeFormat::TimeElapsed(last_synced); | |
| 806 } | |
| 807 | |
| 808 string16 ProfileSyncService::GetAuthenticatedUsername() const { | |
| 809 return backend_->GetAuthenticatedUsername(); | |
| 810 } | |
| 811 | |
| 812 void ProfileSyncService::OnUserSubmittedAuth( | |
| 813 const std::string& username, const std::string& password) { | |
| 814 last_attempted_user_email_ = username; | |
| 815 is_auth_in_progress_ = true; | |
| 816 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 817 backend_->Authenticate(username, password); | |
| 818 } | |
| 819 | |
| 820 void ProfileSyncService::OnUserAcceptedMergeAndSync() { | |
| 821 bool merge_success = model_associator_->AssociateModels(); | |
| 822 wizard_.Step(SyncSetupWizard::DONE); // TODO(timsteele): error state? | |
| 823 if (!merge_success) { | |
| 824 LOG(ERROR) << "Model assocation failed."; | |
| 825 SetUnrecoverableError(); | |
| 826 return; | |
| 827 } | |
| 828 | |
| 829 ready_to_process_changes_ = true; | |
| 830 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 831 } | |
| 832 | |
| 833 void ProfileSyncService::OnUserCancelledDialog() { | |
| 834 if (!profile_->GetPrefs()->GetBoolean(prefs::kSyncHasSetupCompleted)) { | |
| 835 // A sync dialog was aborted before authentication or merge acceptance. | |
| 836 // Rollback. | |
| 837 DisableForUser(); | |
| 838 } | |
| 839 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 840 } | |
| 841 | |
| 842 void ProfileSyncService::StartProcessingChangesIfReady() { | |
| 843 BookmarkModel* model = profile_->GetBookmarkModel(); | |
| 844 | |
| 845 DCHECK(!ready_to_process_changes_); | |
| 846 | |
| 847 // First check if the subsystems are ready. We can't proceed until they | |
| 848 // both have finished loading. | |
| 849 if (!model->IsLoaded()) | |
| 850 return; | |
| 851 if (!backend_initialized_) | |
| 852 return; | |
| 853 | |
| 854 // Show the sync merge warning dialog if needed. | |
| 855 if (MergeAndSyncAcceptanceNeeded()) { | |
| 856 wizard_.Step(SyncSetupWizard::MERGE_AND_SYNC); | |
| 857 return; | |
| 858 } | |
| 859 | |
| 860 // We're ready to merge the models. | |
| 861 bool merge_success = model_associator_->AssociateModels(); | |
| 862 wizard_.Step(SyncSetupWizard::DONE); // TODO(timsteele): error state? | |
| 863 if (!merge_success) { | |
| 864 LOG(ERROR) << "Model assocation failed."; | |
| 865 SetUnrecoverableError(); | |
| 866 return; | |
| 867 } | |
| 868 | |
| 869 ready_to_process_changes_ = true; | |
| 870 FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged()); | |
| 871 } | |
| 872 | |
| 873 void ProfileSyncService::AddObserver(Observer* observer) { | |
| 874 observers_.AddObserver(observer); | |
| 875 } | |
| 876 | |
| 877 void ProfileSyncService::RemoveObserver(Observer* observer) { | |
| 878 observers_.RemoveObserver(observer); | |
| 879 } | |
| 880 | |
| 881 bool ProfileSyncService::ShouldPushChanges() { | |
| 882 return ready_to_process_changes_ && // Wait for model load and merge. | |
| 883 !unrecoverable_error_detected_; // Halt after any terrible events. | |
| 884 } | |
| 885 | |
| 886 #endif // CHROME_PERSONALIZATION | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 160542:
Rolling back 22317 (Closed)
Base URL: svn://chrome-svn.corp.google.com/chrome/trunk/src/