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| 1 // Copyright 2016 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 "components/reading_list/reading_list_model_impl.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/memory/ptr_util.h" | |
| 10 #include "base/strings/string_util.h" | |
| 11 #include "components/prefs/pref_service.h" | |
| 12 #include "components/reading_list/reading_list_model_storage.h" | |
| 13 #include "components/reading_list/reading_list_pref_names.h" | |
| 14 #include "url/gurl.h" | |
| 15 | |
| 16 ReadingListModelImpl::ReadingListModelImpl() | |
| 17 : ReadingListModelImpl(nullptr, nullptr) {} | |
| 18 | |
| 19 ReadingListModelImpl::ReadingListModelImpl( | |
| 20 std::unique_ptr<ReadingListModelStorage> storage, | |
| 21 PrefService* pref_service) | |
| 22 : pref_service_(pref_service), | |
| 23 has_unseen_(false), | |
| 24 loaded_(false), | |
| 25 weak_ptr_factory_(this) { | |
| 26 DCHECK(CalledOnValidThread()); | |
| 27 if (storage) { | |
| 28 storage_layer_ = std::move(storage); | |
| 29 storage_layer_->SetReadingListModel(this, this); | |
| 30 } else { | |
| 31 loaded_ = true; | |
| 32 read_ = base::MakeUnique<ReadingListEntries>(); | |
| 33 unread_ = base::MakeUnique<ReadingListEntries>(); | |
| 34 } | |
| 35 has_unseen_ = GetPersistentHasUnseen(); | |
| 36 } | |
| 37 | |
| 38 ReadingListModelImpl::~ReadingListModelImpl() {} | |
| 39 | |
| 40 void ReadingListModelImpl::StoreLoaded( | |
| 41 std::unique_ptr<ReadingListEntries> unread, | |
| 42 std::unique_ptr<ReadingListEntries> read) { | |
| 43 DCHECK(CalledOnValidThread()); | |
| 44 read_ = std::move(read); | |
| 45 unread_ = std::move(unread); | |
| 46 loaded_ = true; | |
| 47 SortEntries(); | |
| 48 for (auto& observer : observers_) | |
| 49 observer.ReadingListModelLoaded(this); | |
| 50 } | |
| 51 | |
| 52 void ReadingListModelImpl::Shutdown() { | |
| 53 DCHECK(CalledOnValidThread()); | |
| 54 for (auto& observer : observers_) | |
| 55 observer.ReadingListModelBeingDeleted(this); | |
| 56 loaded_ = false; | |
| 57 } | |
| 58 | |
| 59 bool ReadingListModelImpl::loaded() const { | |
| 60 DCHECK(CalledOnValidThread()); | |
| 61 return loaded_; | |
| 62 } | |
| 63 | |
| 64 size_t ReadingListModelImpl::unread_size() const { | |
| 65 DCHECK(CalledOnValidThread()); | |
| 66 if (!loaded()) | |
| 67 return 0; | |
| 68 return unread_->size(); | |
| 69 } | |
| 70 | |
| 71 size_t ReadingListModelImpl::read_size() const { | |
| 72 DCHECK(CalledOnValidThread()); | |
| 73 if (!loaded()) | |
| 74 return 0; | |
| 75 return read_->size(); | |
| 76 } | |
| 77 | |
| 78 bool ReadingListModelImpl::HasUnseenEntries() const { | |
| 79 DCHECK(CalledOnValidThread()); | |
| 80 if (!loaded()) | |
| 81 return false; | |
| 82 return unread_size() && has_unseen_; | |
| 83 } | |
| 84 | |
| 85 void ReadingListModelImpl::ResetUnseenEntries() { | |
| 86 DCHECK(CalledOnValidThread()); | |
| 87 DCHECK(loaded()); | |
| 88 has_unseen_ = false; | |
| 89 if (!IsPerformingBatchUpdates()) | |
| 90 SetPersistentHasUnseen(false); | |
| 91 } | |
| 92 | |
| 93 const ReadingListEntry& ReadingListModelImpl::GetUnreadEntryAtIndex( | |
| 94 size_t index) const { | |
| 95 DCHECK(CalledOnValidThread()); | |
| 96 DCHECK(loaded()); | |
| 97 return unread_->at(index); | |
| 98 } | |
| 99 | |
| 100 const ReadingListEntry& ReadingListModelImpl::GetReadEntryAtIndex( | |
| 101 size_t index) const { | |
| 102 DCHECK(CalledOnValidThread()); | |
| 103 DCHECK(loaded()); | |
| 104 return read_->at(index); | |
| 105 } | |
| 106 | |
| 107 const ReadingListEntry* ReadingListModelImpl::GetEntryFromURL( | |
| 108 const GURL& gurl, | |
| 109 bool* read) const { | |
| 110 DCHECK(CalledOnValidThread()); | |
| 111 DCHECK(loaded()); | |
| 112 return GetMutableEntryFromURL(gurl, read); | |
| 113 } | |
| 114 | |
| 115 ReadingListEntry* ReadingListModelImpl::GetMutableEntryFromURL( | |
| 116 const GURL& gurl, | |
| 117 bool* read) const { | |
| 118 DCHECK(CalledOnValidThread()); | |
| 119 DCHECK(loaded()); | |
| 120 bool is_read; | |
| 121 ReadingListEntry entry(gurl, std::string()); | |
| 122 auto it = std::find(read_->begin(), read_->end(), entry); | |
| 123 is_read = true; | |
| 124 if (it == read_->end()) { | |
| 125 it = std::find(unread_->begin(), unread_->end(), entry); | |
| 126 is_read = false; | |
| 127 if (it == unread_->end()) | |
| 128 return nullptr; | |
| 129 } | |
| 130 if (read) { | |
| 131 *read = is_read; | |
| 132 } | |
| 133 return &(*it); | |
| 134 } | |
| 135 | |
| 136 bool ReadingListModelImpl::CallbackEntryURL( | |
| 137 const GURL& url, | |
| 138 base::Callback<void(const ReadingListEntry&)> callback) const { | |
| 139 DCHECK(CalledOnValidThread()); | |
| 140 DCHECK(loaded()); | |
| 141 const ReadingListEntry* entry = GetMutableEntryFromURL(url, nullptr); | |
| 142 if (entry) { | |
| 143 callback.Run(*entry); | |
| 144 return true; | |
| 145 } | |
| 146 return false; | |
| 147 } | |
| 148 | |
| 149 void ReadingListModelImpl::MoveEntryFrom(ReadingListEntries* entries, | |
| 150 const ReadingListEntry& entry, | |
| 151 bool read) { | |
| 152 auto result = std::find(entries->begin(), entries->end(), entry); | |
| 153 DCHECK(result != entries->end()); | |
| 154 int index = std::distance(entries->begin(), result); | |
| 155 for (auto& observer : observers_) | |
| 156 observer.ReadingListWillMoveEntry(this, index, read); | |
| 157 entries->erase(result); | |
| 158 } | |
| 159 | |
| 160 void ReadingListModelImpl::SyncAddEntry(std::unique_ptr<ReadingListEntry> entry, | |
| 161 bool read) { | |
| 162 DCHECK(CalledOnValidThread()); | |
| 163 DCHECK(loaded()); | |
| 164 // entry must not already exist. | |
| 165 DCHECK(GetMutableEntryFromURL(entry->URL(), nullptr) == nullptr); | |
| 166 if (read) { | |
| 167 for (auto& observer : observers_) | |
| 168 observer.ReadingListWillAddReadEntry(this, *entry); | |
| 169 read_->insert(read_->begin(), std::move(*entry)); | |
| 170 } else { | |
| 171 for (auto& observer : observers_) | |
| 172 observer.ReadingListWillAddUnreadEntry(this, *entry); | |
| 173 has_unseen_ = true; | |
| 174 SetPersistentHasUnseen(true); | |
| 175 unread_->insert(unread_->begin(), std::move(*entry)); | |
| 176 } | |
| 177 for (auto& observer : observers_) | |
| 178 observer.ReadingListDidApplyChanges(this); | |
| 179 } | |
| 180 | |
| 181 ReadingListEntry* ReadingListModelImpl::SyncMergeEntry( | |
| 182 std::unique_ptr<ReadingListEntry> entry, | |
| 183 bool read) { | |
| 184 DCHECK(CalledOnValidThread()); | |
| 185 DCHECK(loaded()); | |
| 186 bool is_existing_entry_read; | |
| 187 ReadingListEntry* existing_entry = | |
| 188 GetMutableEntryFromURL(entry->URL(), &is_existing_entry_read); | |
| 189 | |
| 190 DCHECK(existing_entry); | |
| 191 DCHECK(existing_entry->UpdateTime() < entry->UpdateTime()); | |
| 192 | |
| 193 // Merge local data in new entry. | |
| 194 entry->MergeLocalStateFrom(*existing_entry); | |
| 195 | |
| 196 if (is_existing_entry_read) { | |
| 197 MoveEntryFrom(read_.get(), *existing_entry, true); | |
| 198 } else { | |
| 199 MoveEntryFrom(unread_.get(), *existing_entry, false); | |
| 200 } | |
| 201 | |
| 202 ReadingListEntries::iterator added_iterator; | |
| 203 if (read) { | |
| 204 read_->push_back(std::move(*entry)); | |
| 205 added_iterator = read_->end() - 1; | |
| 206 } else { | |
| 207 unread_->push_back(std::move(*entry)); | |
| 208 added_iterator = unread_->end() - 1; | |
| 209 } | |
| 210 for (auto& observer : observers_) | |
| 211 observer.ReadingListDidApplyChanges(this); | |
| 212 | |
| 213 ReadingListEntry& merged_entry = *added_iterator; | |
| 214 return &merged_entry; | |
| 215 } | |
| 216 | |
| 217 void ReadingListModelImpl::SyncRemoveEntry(const GURL& url) { | |
| 218 RemoveEntryByURLImpl(url, true); | |
| 219 } | |
| 220 | |
| 221 void ReadingListModelImpl::RemoveEntryByURL(const GURL& url) { | |
| 222 RemoveEntryByURLImpl(url, false); | |
| 223 } | |
| 224 | |
| 225 void ReadingListModelImpl::RemoveEntryByURLImpl(const GURL& url, | |
| 226 bool from_sync) { | |
| 227 DCHECK(CalledOnValidThread()); | |
| 228 DCHECK(loaded()); | |
| 229 const ReadingListEntry entry(url, std::string()); | |
| 230 | |
| 231 auto result = std::find(unread_->begin(), unread_->end(), entry); | |
| 232 if (result != unread_->end()) { | |
| 233 for (auto& observer : observers_) | |
| 234 observer.ReadingListWillRemoveUnreadEntry( | |
| 235 this, std::distance(unread_->begin(), result)); | |
| 236 | |
| 237 if (storage_layer_ && !from_sync) { | |
| 238 storage_layer_->RemoveEntry(*result); | |
| 239 } | |
| 240 unread_->erase(result); | |
| 241 | |
| 242 for (auto& observer : observers_) | |
| 243 observer.ReadingListDidApplyChanges(this); | |
| 244 return; | |
| 245 } | |
| 246 | |
| 247 result = std::find(read_->begin(), read_->end(), entry); | |
| 248 if (result != read_->end()) { | |
| 249 for (auto& observer : observers_) | |
| 250 observer.ReadingListWillRemoveReadEntry( | |
| 251 this, std::distance(read_->begin(), result)); | |
| 252 if (storage_layer_ && !from_sync) { | |
| 253 storage_layer_->RemoveEntry(*result); | |
| 254 } | |
| 255 read_->erase(result); | |
| 256 | |
| 257 for (auto& observer : observers_) | |
| 258 observer.ReadingListDidApplyChanges(this); | |
| 259 return; | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 const ReadingListEntry& ReadingListModelImpl::AddEntry( | |
| 264 const GURL& url, | |
| 265 const std::string& title) { | |
| 266 DCHECK(CalledOnValidThread()); | |
| 267 DCHECK(loaded()); | |
| 268 RemoveEntryByURL(url); | |
| 269 | |
| 270 std::string trimmedTitle(title); | |
| 271 base::TrimWhitespaceASCII(trimmedTitle, base::TRIM_ALL, &trimmedTitle); | |
| 272 | |
| 273 ReadingListEntry entry(url, trimmedTitle); | |
| 274 for (auto& observer : observers_) | |
| 275 observer.ReadingListWillAddUnreadEntry(this, entry); | |
| 276 has_unseen_ = true; | |
| 277 SetPersistentHasUnseen(true); | |
| 278 if (storage_layer_) { | |
| 279 storage_layer_->SaveEntry(entry, false); | |
| 280 } | |
| 281 unread_->insert(unread_->begin(), std::move(entry)); | |
| 282 | |
| 283 for (auto& observer : observers_) | |
| 284 observer.ReadingListDidApplyChanges(this); | |
| 285 return *unread_->begin(); | |
| 286 } | |
| 287 | |
| 288 void ReadingListModelImpl::MarkUnreadByURL(const GURL& url) { | |
| 289 DCHECK(CalledOnValidThread()); | |
| 290 DCHECK(loaded()); | |
| 291 ReadingListEntry entry(url, std::string()); | |
| 292 auto result = std::find(read_->begin(), read_->end(), entry); | |
| 293 if (result == read_->end()) | |
| 294 return; | |
| 295 | |
| 296 for (ReadingListModelObserver& observer : observers_) { | |
| 297 observer.ReadingListWillMoveEntry( | |
| 298 this, std::distance(read_->begin(), result), true); | |
| 299 } | |
| 300 | |
| 301 result->MarkEntryUpdated(); | |
| 302 if (storage_layer_) { | |
| 303 storage_layer_->SaveEntry(*result, false); | |
| 304 } | |
| 305 | |
| 306 unread_->insert(unread_->begin(), std::move(*result)); | |
| 307 read_->erase(result); | |
| 308 | |
| 309 for (ReadingListModelObserver& observer : observers_) { | |
| 310 observer.ReadingListDidApplyChanges(this); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 void ReadingListModelImpl::MarkReadByURL(const GURL& url) { | |
| 315 DCHECK(CalledOnValidThread()); | |
| 316 DCHECK(loaded()); | |
| 317 ReadingListEntry entry(url, std::string()); | |
| 318 auto result = std::find(unread_->begin(), unread_->end(), entry); | |
| 319 if (result == unread_->end()) | |
| 320 return; | |
| 321 | |
| 322 for (auto& observer : observers_) | |
| 323 observer.ReadingListWillMoveEntry( | |
| 324 this, std::distance(unread_->begin(), result), false); | |
| 325 | |
| 326 result->MarkEntryUpdated(); | |
| 327 if (storage_layer_) { | |
| 328 storage_layer_->SaveEntry(*result, true); | |
| 329 } | |
| 330 | |
| 331 read_->insert(read_->begin(), std::move(*result)); | |
| 332 unread_->erase(result); | |
| 333 | |
| 334 for (auto& observer : observers_) | |
| 335 observer.ReadingListDidApplyChanges(this); | |
| 336 } | |
| 337 | |
| 338 void ReadingListModelImpl::SetEntryTitle(const GURL& url, | |
| 339 const std::string& title) { | |
| 340 DCHECK(CalledOnValidThread()); | |
| 341 DCHECK(loaded()); | |
| 342 const ReadingListEntry entry(url, std::string()); | |
| 343 | |
| 344 auto result = std::find(unread_->begin(), unread_->end(), entry); | |
| 345 if (result != unread_->end()) { | |
| 346 for (auto& observer : observers_) | |
| 347 observer.ReadingListWillUpdateUnreadEntry( | |
| 348 this, std::distance(unread_->begin(), result)); | |
| 349 result->SetTitle(title); | |
| 350 | |
| 351 if (storage_layer_) { | |
| 352 storage_layer_->SaveEntry(*result, false); | |
| 353 } | |
| 354 for (auto& observer : observers_) | |
| 355 observer.ReadingListDidApplyChanges(this); | |
| 356 return; | |
| 357 } | |
| 358 | |
| 359 result = std::find(read_->begin(), read_->end(), entry); | |
| 360 if (result != read_->end()) { | |
| 361 for (auto& observer : observers_) | |
| 362 observer.ReadingListWillUpdateReadEntry( | |
| 363 this, std::distance(read_->begin(), result)); | |
| 364 result->SetTitle(title); | |
| 365 if (storage_layer_) { | |
| 366 storage_layer_->SaveEntry(*result, true); | |
| 367 } | |
| 368 for (auto& observer : observers_) | |
| 369 observer.ReadingListDidApplyChanges(this); | |
| 370 return; | |
| 371 } | |
| 372 } | |
| 373 | |
| 374 void ReadingListModelImpl::SetEntryDistilledPath( | |
| 375 const GURL& url, | |
| 376 const base::FilePath& distilled_path) { | |
| 377 DCHECK(CalledOnValidThread()); | |
| 378 DCHECK(loaded()); | |
| 379 const ReadingListEntry entry(url, std::string()); | |
| 380 | |
| 381 auto result = std::find(unread_->begin(), unread_->end(), entry); | |
| 382 if (result != unread_->end()) { | |
| 383 for (auto& observer : observers_) | |
| 384 observer.ReadingListWillUpdateUnreadEntry( | |
| 385 this, std::distance(unread_->begin(), result)); | |
| 386 result->SetDistilledPath(distilled_path); | |
| 387 if (storage_layer_) { | |
| 388 storage_layer_->SaveEntry(*result, false); | |
| 389 } | |
| 390 for (auto& observer : observers_) | |
| 391 observer.ReadingListDidApplyChanges(this); | |
| 392 return; | |
| 393 } | |
| 394 | |
| 395 result = std::find(read_->begin(), read_->end(), entry); | |
| 396 if (result != read_->end()) { | |
| 397 for (auto& observer : observers_) | |
| 398 observer.ReadingListWillUpdateReadEntry( | |
| 399 this, std::distance(read_->begin(), result)); | |
| 400 result->SetDistilledPath(distilled_path); | |
| 401 if (storage_layer_) { | |
| 402 storage_layer_->SaveEntry(*result, true); | |
| 403 } | |
| 404 for (auto& observer : observers_) | |
| 405 observer.ReadingListDidApplyChanges(this); | |
| 406 return; | |
| 407 } | |
| 408 } | |
| 409 | |
| 410 void ReadingListModelImpl::SetEntryDistilledState( | |
| 411 const GURL& url, | |
| 412 ReadingListEntry::DistillationState state) { | |
| 413 DCHECK(CalledOnValidThread()); | |
| 414 DCHECK(loaded()); | |
| 415 const ReadingListEntry entry(url, std::string()); | |
| 416 | |
| 417 auto result = std::find(unread_->begin(), unread_->end(), entry); | |
| 418 if (result != unread_->end()) { | |
| 419 for (auto& observer : observers_) | |
| 420 observer.ReadingListWillUpdateUnreadEntry( | |
| 421 this, std::distance(unread_->begin(), result)); | |
| 422 result->SetDistilledState(state); | |
| 423 if (storage_layer_) { | |
| 424 storage_layer_->SaveEntry(*result, false); | |
| 425 } | |
| 426 for (auto& observer : observers_) | |
| 427 observer.ReadingListDidApplyChanges(this); | |
| 428 return; | |
| 429 } | |
| 430 | |
| 431 result = std::find(read_->begin(), read_->end(), entry); | |
| 432 if (result != read_->end()) { | |
| 433 for (auto& observer : observers_) | |
| 434 observer.ReadingListWillUpdateReadEntry( | |
| 435 this, std::distance(read_->begin(), result)); | |
| 436 result->SetDistilledState(state); | |
| 437 if (storage_layer_) { | |
| 438 storage_layer_->SaveEntry(*result, true); | |
| 439 } | |
| 440 for (auto& observer : observers_) | |
| 441 observer.ReadingListDidApplyChanges(this); | |
| 442 return; | |
| 443 } | |
| 444 }; | |
| 445 | |
| 446 std::unique_ptr<ReadingListModel::ScopedReadingListBatchUpdate> | |
| 447 ReadingListModelImpl::CreateBatchToken() { | |
| 448 return base::MakeUnique<ReadingListModelImpl::ScopedReadingListBatchUpdate>( | |
| 449 this); | |
| 450 } | |
| 451 | |
| 452 ReadingListModelImpl::ScopedReadingListBatchUpdate:: | |
| 453 ScopedReadingListBatchUpdate(ReadingListModelImpl* model) | |
| 454 : ReadingListModel::ScopedReadingListBatchUpdate:: | |
| 455 ScopedReadingListBatchUpdate(model) { | |
| 456 if (model->StorageLayer()) { | |
| 457 storage_token_ = model->StorageLayer()->EnsureBatchCreated(); | |
| 458 } | |
| 459 } | |
| 460 | |
| 461 ReadingListModelImpl::ScopedReadingListBatchUpdate:: | |
| 462 ~ScopedReadingListBatchUpdate() { | |
| 463 storage_token_.reset(); | |
| 464 } | |
| 465 | |
| 466 void ReadingListModelImpl::LeavingBatchUpdates() { | |
| 467 DCHECK(CalledOnValidThread()); | |
| 468 if (storage_layer_) { | |
| 469 SetPersistentHasUnseen(has_unseen_); | |
| 470 SortEntries(); | |
| 471 } | |
| 472 ReadingListModel::LeavingBatchUpdates(); | |
| 473 } | |
| 474 | |
| 475 void ReadingListModelImpl::EnteringBatchUpdates() { | |
| 476 DCHECK(CalledOnValidThread()); | |
| 477 ReadingListModel::EnteringBatchUpdates(); | |
| 478 } | |
| 479 | |
| 480 void ReadingListModelImpl::SetPersistentHasUnseen(bool has_unseen) { | |
| 481 DCHECK(CalledOnValidThread()); | |
| 482 if (!pref_service_) { | |
| 483 return; | |
| 484 } | |
| 485 pref_service_->SetBoolean(reading_list::prefs::kReadingListHasUnseenEntries, | |
| 486 has_unseen); | |
| 487 } | |
| 488 | |
| 489 bool ReadingListModelImpl::GetPersistentHasUnseen() { | |
| 490 DCHECK(CalledOnValidThread()); | |
| 491 if (!pref_service_) { | |
| 492 return false; | |
| 493 } | |
| 494 return pref_service_->GetBoolean( | |
| 495 reading_list::prefs::kReadingListHasUnseenEntries); | |
| 496 } | |
| 497 | |
| 498 syncer::ModelTypeSyncBridge* ReadingListModelImpl::GetModelTypeSyncBridge() { | |
| 499 DCHECK(loaded()); | |
| 500 if (!storage_layer_) | |
| 501 return nullptr; | |
| 502 return storage_layer_->GetModelTypeSyncBridge(); | |
| 503 } | |
| 504 | |
| 505 void ReadingListModelImpl::SortEntries() { | |
| 506 DCHECK(CalledOnValidThread()); | |
| 507 DCHECK(loaded()); | |
| 508 std::sort(read_->begin(), read_->end(), | |
| 509 ReadingListEntry::CompareEntryUpdateTime); | |
| 510 std::sort(unread_->begin(), unread_->end(), | |
| 511 ReadingListEntry::CompareEntryUpdateTime); | |
| 512 } | |
| 513 | |
| 514 ReadingListModelStorage* ReadingListModelImpl::StorageLayer() { | |
| 515 return storage_layer_.get(); | |
| 516 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2511723002:
Enable RL sync by default on iOS (Closed)
