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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "components/offline_pages/offline_page_model.h" | 5 #include "components/offline_pages/offline_page_model.h" |
| 6 | 6 |
| 7 #include <algorithm> | |
| 8 #include <utility> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/files/file_util.h" | |
| 12 #include "base/location.h" | |
| 13 #include "base/logging.h" | |
| 14 #include "base/metrics/histogram_macros.h" | |
| 15 #include "base/optional.h" | |
| 16 #include "base/rand_util.h" | |
| 17 #include "base/sequenced_task_runner.h" | |
| 18 #include "base/strings/string_number_conversions.h" | |
| 19 #include "base/threading/thread_task_runner_handle.h" | |
| 20 #include "base/time/time.h" | |
| 21 #include "components/offline_pages/archive_manager.h" | |
| 22 #include "components/offline_pages/client_policy_controller.h" | |
| 23 #include "components/offline_pages/offline_page_item.h" | |
| 24 #include "components/offline_pages/offline_page_storage_manager.h" | |
| 25 #include "url/gurl.h" | 7 #include "url/gurl.h" |
| 26 | 8 |
| 27 using ArchiverResult = offline_pages::OfflinePageArchiver::ArchiverResult; | |
| 28 | |
| 29 namespace offline_pages { | 9 namespace offline_pages { |
| 30 | 10 |
| 31 namespace { | |
| 32 | |
| 33 // This enum is used in an UMA histogram. Hence the entries here shouldn't | |
| 34 // be deleted or re-ordered and new ones should be added to the end. | |
| 35 enum ClearAllStatus { | |
| 36 CLEAR_ALL_SUCCEEDED, | |
| 37 STORE_RESET_FAILED, | |
| 38 STORE_RELOAD_FAILED, | |
| 39 | |
| 40 // NOTE: always keep this entry at the end. | |
| 41 CLEAR_ALL_STATUS_COUNT | |
| 42 }; | |
| 43 | |
| 44 // The maximum histogram size for the metrics that measure time between views of | |
| 45 // a given page. | |
| 46 const base::TimeDelta kMaxOpenedPageHistogramBucket = | |
| 47 base::TimeDelta::FromDays(90); | |
| 48 | |
| 49 SavePageResult ToSavePageResult(ArchiverResult archiver_result) { | |
| 50 SavePageResult result; | |
| 51 switch (archiver_result) { | |
| 52 case ArchiverResult::SUCCESSFULLY_CREATED: | |
| 53 result = SavePageResult::SUCCESS; | |
| 54 break; | |
| 55 case ArchiverResult::ERROR_DEVICE_FULL: | |
| 56 result = SavePageResult::DEVICE_FULL; | |
| 57 break; | |
| 58 case ArchiverResult::ERROR_CONTENT_UNAVAILABLE: | |
| 59 result = SavePageResult::CONTENT_UNAVAILABLE; | |
| 60 break; | |
| 61 case ArchiverResult::ERROR_ARCHIVE_CREATION_FAILED: | |
| 62 result = SavePageResult::ARCHIVE_CREATION_FAILED; | |
| 63 break; | |
| 64 case ArchiverResult::ERROR_CANCELED: | |
| 65 result = SavePageResult::CANCELLED; | |
| 66 break; | |
| 67 case ArchiverResult::ERROR_SECURITY_CERTIFICATE: | |
| 68 result = SavePageResult::SECURITY_CERTIFICATE_ERROR; | |
| 69 break; | |
| 70 default: | |
| 71 NOTREACHED(); | |
| 72 result = SavePageResult::CONTENT_UNAVAILABLE; | |
| 73 } | |
| 74 return result; | |
| 75 } | |
| 76 | |
| 77 std::string AddHistogramSuffix(const ClientId& client_id, | |
| 78 const char* histogram_name) { | |
| 79 if (client_id.name_space.empty()) { | |
| 80 NOTREACHED(); | |
| 81 return histogram_name; | |
| 82 } | |
| 83 std::string adjusted_histogram_name(histogram_name); | |
| 84 adjusted_histogram_name += "."; | |
| 85 adjusted_histogram_name += client_id.name_space; | |
| 86 return adjusted_histogram_name; | |
| 87 } | |
| 88 | |
| 89 void ReportStorageHistogramsAfterSave( | |
| 90 const ArchiveManager::StorageStats& storage_stats) { | |
| 91 const int kMB = 1024 * 1024; | |
| 92 int free_disk_space_mb = | |
| 93 static_cast<int>(storage_stats.free_disk_space / kMB); | |
| 94 UMA_HISTOGRAM_CUSTOM_COUNTS("OfflinePages.SavePage.FreeSpaceMB", | |
| 95 free_disk_space_mb, 1, 500000, 50); | |
| 96 | |
| 97 int total_page_size_mb = | |
| 98 static_cast<int>(storage_stats.total_archives_size / kMB); | |
| 99 UMA_HISTOGRAM_COUNTS_10000("OfflinePages.TotalPageSize", total_page_size_mb); | |
| 100 } | |
| 101 | |
| 102 void ReportStorageHistogramsAfterDelete( | |
| 103 const ArchiveManager::StorageStats& storage_stats) { | |
| 104 const int kMB = 1024 * 1024; | |
| 105 int free_disk_space_mb = | |
| 106 static_cast<int>(storage_stats.free_disk_space / kMB); | |
| 107 UMA_HISTOGRAM_CUSTOM_COUNTS("OfflinePages.DeletePage.FreeSpaceMB", | |
| 108 free_disk_space_mb, 1, 500000, 50); | |
| 109 | |
| 110 int total_page_size_mb = | |
| 111 static_cast<int>(storage_stats.total_archives_size / kMB); | |
| 112 UMA_HISTOGRAM_COUNTS_10000("OfflinePages.TotalPageSize", total_page_size_mb); | |
| 113 | |
| 114 if (storage_stats.free_disk_space > 0) { | |
| 115 int percentage_of_free = static_cast<int>( | |
| 116 1.0 * storage_stats.total_archives_size / | |
| 117 (storage_stats.total_archives_size + storage_stats.free_disk_space) * | |
| 118 100); | |
| 119 UMA_HISTOGRAM_PERCENTAGE( | |
| 120 "OfflinePages.DeletePage.TotalPageSizeAsPercentageOfFreeSpace", | |
| 121 percentage_of_free); | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 } // namespace | |
| 126 | |
| 127 // static | 11 // static |
| 128 bool OfflinePageModel::CanSavePage(const GURL& url) { | 12 bool OfflinePageModel::CanSavePage(const GURL& url) { |
| 129 return url.SchemeIsHTTPOrHTTPS(); | 13 return url.SchemeIsHTTPOrHTTPS(); |
| 130 } | 14 } |
| 131 | 15 |
| 132 // protected | 16 OfflinePageModel::OfflinePageModel() {} |
| 133 OfflinePageModel::OfflinePageModel() | |
| 134 : is_loaded_(false), weak_ptr_factory_(this) {} | |
| 135 | 17 |
| 136 OfflinePageModel::OfflinePageModel( | 18 OfflinePageModel::~OfflinePageModel() {} |
| 137 std::unique_ptr<OfflinePageMetadataStore> store, | |
| 138 const base::FilePath& archives_dir, | |
| 139 const scoped_refptr<base::SequencedTaskRunner>& task_runner) | |
| 140 : store_(std::move(store)), | |
| 141 archives_dir_(archives_dir), | |
| 142 is_loaded_(false), | |
| 143 policy_controller_(new ClientPolicyController()), | |
| 144 archive_manager_(new ArchiveManager(archives_dir, task_runner)), | |
| 145 weak_ptr_factory_(this) { | |
| 146 archive_manager_->EnsureArchivesDirCreated( | |
| 147 base::Bind(&OfflinePageModel::OnEnsureArchivesDirCreatedDone, | |
| 148 weak_ptr_factory_.GetWeakPtr(), base::TimeTicks::Now())); | |
| 149 } | |
| 150 | |
| 151 OfflinePageModel::~OfflinePageModel() { | |
| 152 } | |
| 153 | |
| 154 void OfflinePageModel::AddObserver(Observer* observer) { | |
| 155 observers_.AddObserver(observer); | |
| 156 } | |
| 157 | |
| 158 void OfflinePageModel::RemoveObserver(Observer* observer) { | |
| 159 observers_.RemoveObserver(observer); | |
| 160 } | |
| 161 | |
| 162 void OfflinePageModel::SavePage(const GURL& url, | |
| 163 const ClientId& client_id, | |
| 164 std::unique_ptr<OfflinePageArchiver> archiver, | |
| 165 const SavePageCallback& callback) { | |
| 166 DCHECK(is_loaded_); | |
| 167 | |
| 168 // Skip saving the page that is not intended to be saved, like local file | |
| 169 // page. | |
| 170 if (url.is_valid() && !CanSavePage(url)) { | |
| 171 InformSavePageDone(callback, SavePageResult::SKIPPED, client_id, | |
| 172 kInvalidOfflineId); | |
| 173 return; | |
| 174 } | |
| 175 | |
| 176 // The web contents is not available if archiver is not created and passed. | |
| 177 if (!archiver.get()) { | |
| 178 InformSavePageDone(callback, SavePageResult::CONTENT_UNAVAILABLE, client_id, | |
| 179 kInvalidOfflineId); | |
| 180 return; | |
| 181 } | |
| 182 | |
| 183 int64_t offline_id = GenerateOfflineId(); | |
| 184 | |
| 185 archiver->CreateArchive( | |
| 186 archives_dir_, | |
| 187 offline_id, | |
| 188 base::Bind(&OfflinePageModel::OnCreateArchiveDone, | |
| 189 weak_ptr_factory_.GetWeakPtr(), url, offline_id, | |
| 190 client_id, base::Time::Now(), callback)); | |
| 191 pending_archivers_.push_back(std::move(archiver)); | |
| 192 } | |
| 193 | |
| 194 void OfflinePageModel::MarkPageAccessed(int64_t offline_id) { | |
| 195 DCHECK(is_loaded_); | |
| 196 auto iter = offline_pages_.find(offline_id); | |
| 197 if (iter == offline_pages_.end()) | |
| 198 return; | |
| 199 | |
| 200 // Make a copy of the cached item and update it. The cached item should only | |
| 201 // be updated upon the successful store operation. | |
| 202 OfflinePageItem offline_page_item = iter->second; | |
| 203 | |
| 204 base::Time now = base::Time::Now(); | |
| 205 base::TimeDelta time_since_last_accessed = | |
| 206 now - offline_page_item.last_access_time; | |
| 207 | |
| 208 // When the access account is still zero, the page is opened for the first | |
| 209 // time since its creation. | |
| 210 UMA_HISTOGRAM_CUSTOM_COUNTS( | |
| 211 AddHistogramSuffix( | |
| 212 offline_page_item.client_id, | |
| 213 (offline_page_item.access_count == 0) ? | |
| 214 "OfflinePages.FirstOpenSinceCreated" : | |
| 215 "OfflinePages.OpenSinceLastOpen").c_str(), | |
| 216 time_since_last_accessed.InMinutes(), 1, | |
| 217 kMaxOpenedPageHistogramBucket.InMinutes(), 50); | |
| 218 | |
| 219 offline_page_item.last_access_time = now; | |
| 220 offline_page_item.access_count++; | |
| 221 | |
| 222 store_->AddOrUpdateOfflinePage( | |
| 223 offline_page_item, | |
| 224 base::Bind(&OfflinePageModel::OnMarkPageAccesseDone, | |
| 225 weak_ptr_factory_.GetWeakPtr(), offline_page_item)); | |
| 226 } | |
| 227 | |
| 228 void OfflinePageModel::DeletePagesByOfflineId( | |
| 229 const std::vector<int64_t>& offline_ids, | |
| 230 const DeletePageCallback& callback) { | |
| 231 if (!is_loaded_) { | |
| 232 delayed_tasks_.push_back( | |
| 233 base::Bind(&OfflinePageModel::DoDeletePagesByOfflineId, | |
| 234 weak_ptr_factory_.GetWeakPtr(), offline_ids, callback)); | |
| 235 | |
| 236 return; | |
| 237 } | |
| 238 DoDeletePagesByOfflineId(offline_ids, callback); | |
| 239 } | |
| 240 | |
| 241 void OfflinePageModel::DoDeletePagesByOfflineId( | |
| 242 const std::vector<int64_t>& offline_ids, | |
| 243 const DeletePageCallback& callback) { | |
| 244 DCHECK(is_loaded_); | |
| 245 | |
| 246 std::vector<base::FilePath> paths_to_delete; | |
| 247 for (const auto& offline_id : offline_ids) { | |
| 248 auto iter = offline_pages_.find(offline_id); | |
| 249 if (iter != offline_pages_.end()) { | |
| 250 paths_to_delete.push_back(iter->second.file_path); | |
| 251 } | |
| 252 } | |
| 253 | |
| 254 if (paths_to_delete.empty()) { | |
| 255 InformDeletePageDone(callback, DeletePageResult::NOT_FOUND); | |
| 256 return; | |
| 257 } | |
| 258 | |
| 259 archive_manager_->DeleteMultipleArchives( | |
| 260 paths_to_delete, | |
| 261 base::Bind(&OfflinePageModel::OnDeleteArchiveFilesDone, | |
| 262 weak_ptr_factory_.GetWeakPtr(), offline_ids, callback)); | |
| 263 } | |
| 264 | |
| 265 void OfflinePageModel::ClearAll(const base::Closure& callback) { | |
| 266 DCHECK(is_loaded_); | |
| 267 | |
| 268 std::vector<int64_t> offline_ids; | |
| 269 for (const auto& id_page_pair : offline_pages_) | |
| 270 offline_ids.push_back(id_page_pair.first); | |
| 271 DeletePagesByOfflineId( | |
| 272 offline_ids, | |
| 273 base::Bind(&OfflinePageModel::OnRemoveAllFilesDoneForClearAll, | |
| 274 weak_ptr_factory_.GetWeakPtr(), callback)); | |
| 275 } | |
| 276 | |
| 277 void OfflinePageModel::DeletePagesByURLPredicate( | |
| 278 const UrlPredicate& predicate, | |
| 279 const DeletePageCallback& callback) { | |
| 280 if (!is_loaded_) { | |
| 281 delayed_tasks_.push_back( | |
| 282 base::Bind(&OfflinePageModel::DoDeletePagesByURLPredicate, | |
| 283 weak_ptr_factory_.GetWeakPtr(), predicate, callback)); | |
| 284 | |
| 285 return; | |
| 286 } | |
| 287 DoDeletePagesByURLPredicate(predicate, callback); | |
| 288 } | |
| 289 | |
| 290 void OfflinePageModel::DoDeletePagesByURLPredicate( | |
| 291 const UrlPredicate& predicate, | |
| 292 const DeletePageCallback& callback) { | |
| 293 DCHECK(is_loaded_); | |
| 294 | |
| 295 std::vector<int64_t> offline_ids; | |
| 296 for (const auto& id_page_pair : offline_pages_) { | |
| 297 if (predicate.Run(id_page_pair.second.url)) | |
| 298 offline_ids.push_back(id_page_pair.first); | |
| 299 } | |
| 300 DoDeletePagesByOfflineId(offline_ids, callback); | |
| 301 } | |
| 302 | |
| 303 void OfflinePageModel::HasPages(const std::string& name_space, | |
| 304 const HasPagesCallback& callback) { | |
| 305 RunWhenLoaded(base::Bind(&OfflinePageModel::HasPagesAfterLoadDone, | |
| 306 weak_ptr_factory_.GetWeakPtr(), name_space, | |
| 307 callback)); | |
| 308 } | |
| 309 | |
| 310 void OfflinePageModel::HasPagesAfterLoadDone( | |
| 311 const std::string& name_space, | |
| 312 const HasPagesCallback& callback) const { | |
| 313 DCHECK(is_loaded_); | |
| 314 | |
| 315 bool has_pages = false; | |
| 316 | |
| 317 for (const auto& id_page_pair : offline_pages_) { | |
| 318 if (id_page_pair.second.client_id.name_space == name_space) { | |
| 319 has_pages = true; | |
| 320 break; | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 callback.Run(has_pages); | |
| 325 } | |
| 326 | |
| 327 void OfflinePageModel::CheckPagesExistOffline( | |
| 328 const std::set<GURL>& urls, | |
| 329 const CheckPagesExistOfflineCallback& callback) { | |
| 330 RunWhenLoaded( | |
| 331 base::Bind(&OfflinePageModel::CheckPagesExistOfflineAfterLoadDone, | |
| 332 weak_ptr_factory_.GetWeakPtr(), urls, callback)); | |
| 333 } | |
| 334 | |
| 335 void OfflinePageModel::CheckPagesExistOfflineAfterLoadDone( | |
| 336 const std::set<GURL>& urls, | |
| 337 const CheckPagesExistOfflineCallback& callback) { | |
| 338 DCHECK(is_loaded_); | |
| 339 CheckPagesExistOfflineResult result; | |
| 340 for (const auto& id_page_pair : offline_pages_) { | |
| 341 auto iter = urls.find(id_page_pair.second.url); | |
| 342 if (iter != urls.end()) | |
| 343 result.insert(*iter); | |
| 344 } | |
| 345 callback.Run(result); | |
| 346 } | |
| 347 | |
| 348 void OfflinePageModel::GetAllPages( | |
| 349 const MultipleOfflinePageItemCallback& callback) { | |
| 350 RunWhenLoaded(base::Bind(&OfflinePageModel::GetAllPagesAfterLoadDone, | |
| 351 weak_ptr_factory_.GetWeakPtr(), callback)); | |
| 352 } | |
| 353 | |
| 354 void OfflinePageModel::GetAllPagesAfterLoadDone( | |
| 355 const MultipleOfflinePageItemCallback& callback) { | |
| 356 DCHECK(is_loaded_); | |
| 357 | |
| 358 MultipleOfflinePageItemResult offline_pages; | |
| 359 for (const auto& id_page_pair : offline_pages_) | |
| 360 offline_pages.push_back(id_page_pair.second); | |
| 361 | |
| 362 callback.Run(offline_pages); | |
| 363 } | |
| 364 | |
| 365 void OfflinePageModel::GetOfflineIdsForClientId( | |
| 366 const ClientId& client_id, | |
| 367 const MultipleOfflineIdCallback& callback) { | |
| 368 RunWhenLoaded( | |
| 369 base::Bind(&OfflinePageModel::GetOfflineIdsForClientIdWhenLoadDone, | |
| 370 weak_ptr_factory_.GetWeakPtr(), client_id, callback)); | |
| 371 } | |
| 372 | |
| 373 void OfflinePageModel::GetOfflineIdsForClientIdWhenLoadDone( | |
| 374 const ClientId& client_id, | |
| 375 const MultipleOfflineIdCallback& callback) const { | |
| 376 callback.Run(MaybeGetOfflineIdsForClientId(client_id)); | |
| 377 } | |
| 378 | |
| 379 const std::vector<int64_t> OfflinePageModel::MaybeGetOfflineIdsForClientId( | |
| 380 const ClientId& client_id) const { | |
| 381 DCHECK(is_loaded_); | |
| 382 std::vector<int64_t> results; | |
| 383 | |
| 384 // We want only all pages, including those marked for deletion. | |
| 385 // TODO(bburns): actually use an index rather than linear scan. | |
| 386 for (const auto& id_page_pair : offline_pages_) { | |
| 387 if (id_page_pair.second.client_id == client_id) | |
| 388 results.push_back(id_page_pair.second.offline_id); | |
| 389 } | |
| 390 return results; | |
| 391 } | |
| 392 | |
| 393 void OfflinePageModel::GetPageByOfflineId( | |
| 394 int64_t offline_id, | |
| 395 const SingleOfflinePageItemCallback& callback) { | |
| 396 RunWhenLoaded(base::Bind(&OfflinePageModel::GetPageByOfflineIdWhenLoadDone, | |
| 397 weak_ptr_factory_.GetWeakPtr(), offline_id, | |
| 398 callback)); | |
| 399 } | |
| 400 | |
| 401 void OfflinePageModel::GetPageByOfflineIdWhenLoadDone( | |
| 402 int64_t offline_id, | |
| 403 const SingleOfflinePageItemCallback& callback) const { | |
| 404 SingleOfflinePageItemResult result; | |
| 405 const OfflinePageItem* match = MaybeGetPageByOfflineId(offline_id); | |
| 406 if (match != nullptr) | |
| 407 result = *match; | |
| 408 callback.Run(result); | |
| 409 } | |
| 410 | |
| 411 const OfflinePageItem* OfflinePageModel::MaybeGetPageByOfflineId( | |
| 412 int64_t offline_id) const { | |
| 413 const auto iter = offline_pages_.find(offline_id); | |
| 414 return iter != offline_pages_.end() ? &(iter->second) : nullptr; | |
| 415 } | |
| 416 | |
| 417 void OfflinePageModel::GetPageByOfflineURL( | |
| 418 const GURL& offline_url, | |
| 419 const SingleOfflinePageItemCallback& callback) { | |
| 420 RunWhenLoaded(base::Bind(&OfflinePageModel::GetPageByOfflineURLWhenLoadDone, | |
| 421 weak_ptr_factory_.GetWeakPtr(), offline_url, | |
| 422 callback)); | |
| 423 } | |
| 424 | |
| 425 void OfflinePageModel::GetPageByOfflineURLWhenLoadDone( | |
| 426 const GURL& offline_url, | |
| 427 const SingleOfflinePageItemCallback& callback) const { | |
| 428 base::Optional<OfflinePageItem> result; | |
| 429 | |
| 430 for (const auto& id_page_pair : offline_pages_) { | |
| 431 if (id_page_pair.second.GetOfflineURL() == offline_url) { | |
| 432 callback.Run(base::make_optional(id_page_pair.second)); | |
| 433 return; | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 callback.Run(base::nullopt); | |
| 438 } | |
| 439 | |
| 440 const OfflinePageItem* OfflinePageModel::MaybeGetPageByOfflineURL( | |
| 441 const GURL& offline_url) const { | |
| 442 for (const auto& id_page_pair : offline_pages_) { | |
| 443 if (id_page_pair.second.GetOfflineURL() == offline_url) | |
| 444 return &(id_page_pair.second); | |
| 445 } | |
| 446 return nullptr; | |
| 447 } | |
| 448 | |
| 449 void OfflinePageModel::GetBestPageForOnlineURL( | |
| 450 const GURL& online_url, | |
| 451 const SingleOfflinePageItemCallback callback) { | |
| 452 RunWhenLoaded( | |
| 453 base::Bind(&OfflinePageModel::GetBestPageForOnlineURLWhenLoadDone, | |
| 454 weak_ptr_factory_.GetWeakPtr(), online_url, callback)); | |
| 455 } | |
| 456 | |
| 457 void OfflinePageModel::GetBestPageForOnlineURLWhenLoadDone( | |
| 458 const GURL& online_url, | |
| 459 const SingleOfflinePageItemCallback& callback) const { | |
| 460 SingleOfflinePageItemResult result; | |
| 461 | |
| 462 const OfflinePageItem* best_page = MaybeGetBestPageForOnlineURL(online_url); | |
| 463 if (best_page != nullptr) | |
| 464 result = *best_page; | |
| 465 | |
| 466 callback.Run(result); | |
| 467 } | |
| 468 | |
| 469 void OfflinePageModel::GetPagesByOnlineURL( | |
| 470 const GURL& online_url, | |
| 471 const MultipleOfflinePageItemCallback& callback) { | |
| 472 RunWhenLoaded(base::Bind(&OfflinePageModel::GetPagesByOnlineURLWhenLoadDone, | |
| 473 weak_ptr_factory_.GetWeakPtr(), online_url, | |
| 474 callback)); | |
| 475 } | |
| 476 | |
| 477 void OfflinePageModel::GetPagesByOnlineURLWhenLoadDone( | |
| 478 const GURL& online_url, | |
| 479 const MultipleOfflinePageItemCallback& callback) const { | |
| 480 std::vector<OfflinePageItem> result; | |
| 481 | |
| 482 for (const auto& id_page_pair : offline_pages_) { | |
| 483 if (id_page_pair.second.url == online_url) | |
| 484 result.push_back(id_page_pair.second); | |
| 485 } | |
| 486 | |
| 487 callback.Run(result); | |
| 488 } | |
| 489 | |
| 490 const OfflinePageItem* OfflinePageModel::MaybeGetBestPageForOnlineURL( | |
| 491 const GURL& online_url) const { | |
| 492 const OfflinePageItem* result = nullptr; | |
| 493 for (const auto& id_page_pair : offline_pages_) { | |
| 494 if (id_page_pair.second.url == online_url) { | |
| 495 if (!result || id_page_pair.second.creation_time > result->creation_time) | |
| 496 result = &(id_page_pair.second); | |
| 497 } | |
| 498 } | |
| 499 return result; | |
| 500 } | |
| 501 | |
| 502 void OfflinePageModel::CheckForExternalFileDeletion() { | |
| 503 DCHECK(is_loaded_); | |
| 504 | |
| 505 archive_manager_->GetAllArchives( | |
| 506 base::Bind(&OfflinePageModel::ScanForMissingArchiveFiles, | |
| 507 weak_ptr_factory_.GetWeakPtr())); | |
| 508 } | |
| 509 | |
| 510 void OfflinePageModel::ExpirePages(const std::vector<int64_t>& offline_ids, | |
| 511 const base::Time& expiration_time) { | |
| 512 for (int64_t offline_id : offline_ids) { | |
| 513 auto iter = offline_pages_.find(offline_id); | |
| 514 if (iter == offline_pages_.end()) | |
| 515 continue; | |
| 516 | |
| 517 OfflinePageItem offline_page = iter->second; | |
| 518 offline_page.expiration_time = expiration_time; | |
| 519 | |
| 520 store_->AddOrUpdateOfflinePage( | |
| 521 offline_page, base::Bind(&OfflinePageModel::OnExpirePageDone, | |
| 522 weak_ptr_factory_.GetWeakPtr(), offline_id, | |
| 523 expiration_time)); | |
| 524 } | |
| 525 } | |
| 526 | |
| 527 void OfflinePageModel::OnExpirePageDone(int64_t offline_id, | |
| 528 const base::Time& expiration_time, | |
| 529 bool success) { | |
| 530 // TODO(romax): Report UMA about successful expiration. | |
| 531 if (success) { | |
| 532 auto iter = offline_pages_.find(offline_id); | |
| 533 if (iter != offline_pages_.end()) | |
| 534 iter->second.expiration_time = expiration_time; | |
| 535 } | |
| 536 } | |
| 537 | |
| 538 ClientPolicyController* OfflinePageModel::GetPolicyController() { | |
| 539 return policy_controller_.get(); | |
| 540 } | |
| 541 | |
| 542 OfflinePageMetadataStore* OfflinePageModel::GetStoreForTesting() { | |
| 543 return store_.get(); | |
| 544 } | |
| 545 | |
| 546 OfflinePageStorageManager* OfflinePageModel::GetStorageManager() { | |
| 547 return storage_manager_.get(); | |
| 548 } | |
| 549 | |
| 550 bool OfflinePageModel::is_loaded() const { | |
| 551 return is_loaded_; | |
| 552 } | |
| 553 | |
| 554 void OfflinePageModel::OnCreateArchiveDone(const GURL& requested_url, | |
| 555 int64_t offline_id, | |
| 556 const ClientId& client_id, | |
| 557 const base::Time& start_time, | |
| 558 const SavePageCallback& callback, | |
| 559 OfflinePageArchiver* archiver, | |
| 560 ArchiverResult archiver_result, | |
| 561 const GURL& url, | |
| 562 const base::FilePath& file_path, | |
| 563 int64_t file_size) { | |
| 564 if (requested_url != url) { | |
| 565 DVLOG(1) << "Saved URL does not match requested URL."; | |
| 566 // TODO(fgorski): We have created an archive for a wrong URL. It should be | |
| 567 // deleted from here, once archiver has the right functionality. | |
| 568 InformSavePageDone(callback, SavePageResult::ARCHIVE_CREATION_FAILED, | |
| 569 client_id, offline_id); | |
| 570 DeletePendingArchiver(archiver); | |
| 571 return; | |
| 572 } | |
| 573 | |
| 574 if (archiver_result != ArchiverResult::SUCCESSFULLY_CREATED) { | |
| 575 SavePageResult result = ToSavePageResult(archiver_result); | |
| 576 InformSavePageDone(callback, result, client_id, offline_id); | |
| 577 DeletePendingArchiver(archiver); | |
| 578 return; | |
| 579 } | |
| 580 OfflinePageItem offline_page_item(url, offline_id, client_id, file_path, | |
| 581 file_size, start_time); | |
| 582 store_->AddOrUpdateOfflinePage( | |
| 583 offline_page_item, | |
| 584 base::Bind(&OfflinePageModel::OnAddOfflinePageDone, | |
| 585 weak_ptr_factory_.GetWeakPtr(), archiver, callback, | |
| 586 offline_page_item)); | |
| 587 } | |
| 588 | |
| 589 void OfflinePageModel::OnAddOfflinePageDone(OfflinePageArchiver* archiver, | |
| 590 const SavePageCallback& callback, | |
| 591 const OfflinePageItem& offline_page, | |
| 592 bool success) { | |
| 593 SavePageResult result; | |
| 594 if (success) { | |
| 595 offline_pages_[offline_page.offline_id] = offline_page; | |
| 596 result = SavePageResult::SUCCESS; | |
| 597 UMA_HISTOGRAM_TIMES( | |
| 598 AddHistogramSuffix( | |
| 599 offline_page.client_id, "OfflinePages.SavePageTime").c_str(), | |
| 600 base::Time::Now() - offline_page.creation_time); | |
| 601 // 50 buckets capped between 1Kb and 10Mb. | |
| 602 UMA_HISTOGRAM_COUNTS_10000(AddHistogramSuffix( | |
| 603 offline_page.client_id, "OfflinePages.PageSize").c_str(), | |
| 604 offline_page.file_size / 1024); | |
| 605 } else { | |
| 606 result = SavePageResult::STORE_FAILURE; | |
| 607 } | |
| 608 InformSavePageDone(callback, result, offline_page.client_id, | |
| 609 offline_page.offline_id); | |
| 610 DeletePendingArchiver(archiver); | |
| 611 | |
| 612 FOR_EACH_OBSERVER(Observer, observers_, OfflinePageModelChanged(this)); | |
| 613 } | |
| 614 | |
| 615 void OfflinePageModel::OnMarkPageAccesseDone( | |
| 616 const OfflinePageItem& offline_page_item, bool success) { | |
| 617 // Update the item in the cache only upon success. | |
| 618 if (success) | |
| 619 offline_pages_[offline_page_item.offline_id] = offline_page_item; | |
| 620 | |
| 621 // No need to fire OfflinePageModelChanged event since updating access info | |
| 622 // should not have any impact to the UI. | |
| 623 } | |
| 624 | |
| 625 void OfflinePageModel::OnEnsureArchivesDirCreatedDone( | |
| 626 const base::TimeTicks& start_time) { | |
| 627 UMA_HISTOGRAM_TIMES("OfflinePages.Model.ArchiveDirCreationTime", | |
| 628 base::TimeTicks::Now() - start_time); | |
| 629 | |
| 630 store_->Load(base::Bind(&OfflinePageModel::OnLoadDone, | |
| 631 weak_ptr_factory_.GetWeakPtr(), start_time)); | |
| 632 } | |
| 633 | |
| 634 void OfflinePageModel::OnLoadDone( | |
| 635 const base::TimeTicks& start_time, | |
| 636 OfflinePageMetadataStore::LoadStatus load_status, | |
| 637 const std::vector<OfflinePageItem>& offline_pages) { | |
| 638 DCHECK(!is_loaded_); | |
| 639 is_loaded_ = true; | |
| 640 | |
| 641 // TODO(jianli): rebuild the store upon failure. | |
| 642 | |
| 643 if (load_status == OfflinePageMetadataStore::LOAD_SUCCEEDED) | |
| 644 CacheLoadedData(offline_pages); | |
| 645 | |
| 646 UMA_HISTOGRAM_TIMES("OfflinePages.Model.ConstructionToLoadedEventTime", | |
| 647 base::TimeTicks::Now() - start_time); | |
| 648 | |
| 649 // Create Storage Manager. | |
| 650 storage_manager_.reset(new OfflinePageStorageManager( | |
| 651 this, GetPolicyController(), archive_manager_.get())); | |
| 652 | |
| 653 // Run all the delayed tasks. | |
| 654 for (const auto& delayed_task : delayed_tasks_) | |
| 655 delayed_task.Run(); | |
| 656 delayed_tasks_.clear(); | |
| 657 | |
| 658 FOR_EACH_OBSERVER(Observer, observers_, OfflinePageModelLoaded(this)); | |
| 659 | |
| 660 CheckForExternalFileDeletion(); | |
| 661 } | |
| 662 | |
| 663 void OfflinePageModel::InformSavePageDone(const SavePageCallback& callback, | |
| 664 SavePageResult result, | |
| 665 const ClientId& client_id, | |
| 666 int64_t offline_id) { | |
| 667 UMA_HISTOGRAM_ENUMERATION( | |
| 668 AddHistogramSuffix(client_id, "OfflinePages.SavePageResult").c_str(), | |
| 669 static_cast<int>(result), | |
| 670 static_cast<int>(SavePageResult::RESULT_COUNT)); | |
| 671 archive_manager_->GetStorageStats( | |
| 672 base::Bind(&ReportStorageHistogramsAfterSave)); | |
| 673 callback.Run(result, offline_id); | |
| 674 } | |
| 675 | |
| 676 void OfflinePageModel::DeletePendingArchiver(OfflinePageArchiver* archiver) { | |
| 677 pending_archivers_.erase(std::find( | |
| 678 pending_archivers_.begin(), pending_archivers_.end(), archiver)); | |
| 679 } | |
| 680 | |
| 681 void OfflinePageModel::OnDeleteArchiveFilesDone( | |
| 682 const std::vector<int64_t>& offline_ids, | |
| 683 const DeletePageCallback& callback, | |
| 684 bool success) { | |
| 685 if (!success) { | |
| 686 InformDeletePageDone(callback, DeletePageResult::DEVICE_FAILURE); | |
| 687 return; | |
| 688 } | |
| 689 | |
| 690 store_->RemoveOfflinePages( | |
| 691 offline_ids, | |
| 692 base::Bind(&OfflinePageModel::OnRemoveOfflinePagesDone, | |
| 693 weak_ptr_factory_.GetWeakPtr(), offline_ids, callback)); | |
| 694 } | |
| 695 | |
| 696 void OfflinePageModel::OnRemoveOfflinePagesDone( | |
| 697 const std::vector<int64_t>& offline_ids, | |
| 698 const DeletePageCallback& callback, | |
| 699 bool success) { | |
| 700 // Delete the offline page from the in memory cache regardless of success in | |
| 701 // store. | |
| 702 base::Time now = base::Time::Now(); | |
| 703 int64_t total_size = 0; | |
| 704 for (int64_t offline_id : offline_ids) { | |
| 705 auto iter = offline_pages_.find(offline_id); | |
| 706 if (iter == offline_pages_.end()) | |
| 707 continue; | |
| 708 total_size += iter->second.file_size; | |
| 709 ClientId client_id = iter->second.client_id; | |
| 710 UMA_HISTOGRAM_CUSTOM_COUNTS( | |
| 711 AddHistogramSuffix(client_id, "OfflinePages.PageLifetime").c_str(), | |
| 712 (now - iter->second.creation_time).InMinutes(), | |
| 713 1, | |
| 714 base::TimeDelta::FromDays(365).InMinutes(), | |
| 715 100); | |
| 716 UMA_HISTOGRAM_CUSTOM_COUNTS( | |
| 717 AddHistogramSuffix( | |
| 718 client_id, "OfflinePages.DeletePage.TimeSinceLastOpen").c_str(), | |
| 719 (now - iter->second.last_access_time).InMinutes(), | |
| 720 1, | |
| 721 base::TimeDelta::FromDays(365).InMinutes(), | |
| 722 100); | |
| 723 UMA_HISTOGRAM_CUSTOM_COUNTS( | |
| 724 AddHistogramSuffix( | |
| 725 client_id, "OfflinePages.DeletePage.LastOpenToCreated").c_str(), | |
| 726 (iter->second.last_access_time - iter->second.creation_time). | |
| 727 InMinutes(), | |
| 728 1, | |
| 729 base::TimeDelta::FromDays(365).InMinutes(), | |
| 730 100); | |
| 731 UMA_HISTOGRAM_MEMORY_KB( | |
| 732 AddHistogramSuffix( | |
| 733 client_id, "OfflinePages.DeletePage.PageSize").c_str(), | |
| 734 iter->second.file_size / 1024); | |
| 735 UMA_HISTOGRAM_COUNTS( | |
| 736 AddHistogramSuffix( | |
| 737 client_id, "OfflinePages.DeletePage.AccessCount").c_str(), | |
| 738 iter->second.access_count); | |
| 739 FOR_EACH_OBSERVER( | |
| 740 Observer, observers_, | |
| 741 OfflinePageDeleted(iter->second.offline_id, iter->second.client_id)); | |
| 742 offline_pages_.erase(iter); | |
| 743 } | |
| 744 if (offline_ids.size() > 1) { | |
| 745 UMA_HISTOGRAM_COUNTS("OfflinePages.BatchDelete.Count", | |
| 746 static_cast<int32_t>(offline_ids.size())); | |
| 747 UMA_HISTOGRAM_MEMORY_KB( | |
| 748 "OfflinePages.BatchDelete.TotalPageSize", total_size / 1024); | |
| 749 } | |
| 750 // Deleting multiple pages always succeeds when it gets to this point. | |
| 751 InformDeletePageDone(callback, (success || offline_ids.size() > 1) | |
| 752 ? DeletePageResult::SUCCESS | |
| 753 : DeletePageResult::STORE_FAILURE); | |
| 754 } | |
| 755 | |
| 756 void OfflinePageModel::InformDeletePageDone(const DeletePageCallback& callback, | |
| 757 DeletePageResult result) { | |
| 758 UMA_HISTOGRAM_ENUMERATION( | |
| 759 "OfflinePages.DeletePageResult", | |
| 760 static_cast<int>(result), | |
| 761 static_cast<int>(DeletePageResult::RESULT_COUNT)); | |
| 762 archive_manager_->GetStorageStats( | |
| 763 base::Bind(&ReportStorageHistogramsAfterDelete)); | |
| 764 if (!callback.is_null()) | |
| 765 callback.Run(result); | |
| 766 } | |
| 767 | |
| 768 void OfflinePageModel::ScanForMissingArchiveFiles( | |
| 769 const std::set<base::FilePath>& archive_paths) { | |
| 770 std::vector<int64_t> ids_of_pages_missing_archive_file; | |
| 771 std::vector<std::pair<int64_t, ClientId>> offline_client_id_pairs; | |
| 772 for (const auto& id_page_pair : offline_pages_) { | |
| 773 if (archive_paths.count(id_page_pair.second.file_path) == 0UL) { | |
| 774 ids_of_pages_missing_archive_file.push_back(id_page_pair.first); | |
| 775 offline_client_id_pairs.push_back( | |
| 776 std::make_pair(id_page_pair.first, id_page_pair.second.client_id)); | |
| 777 } | |
| 778 } | |
| 779 | |
| 780 // No offline pages missing archive files, we can bail out. | |
| 781 if (ids_of_pages_missing_archive_file.empty()) | |
| 782 return; | |
| 783 | |
| 784 DeletePageCallback remove_pages_done_callback( | |
| 785 base::Bind(&OfflinePageModel::OnRemoveOfflinePagesMissingArchiveFileDone, | |
| 786 weak_ptr_factory_.GetWeakPtr(), offline_client_id_pairs)); | |
| 787 | |
| 788 store_->RemoveOfflinePages( | |
| 789 ids_of_pages_missing_archive_file, | |
| 790 base::Bind(&OfflinePageModel::OnRemoveOfflinePagesDone, | |
| 791 weak_ptr_factory_.GetWeakPtr(), | |
| 792 ids_of_pages_missing_archive_file, | |
| 793 remove_pages_done_callback)); | |
| 794 } | |
| 795 | |
| 796 void OfflinePageModel::OnRemoveOfflinePagesMissingArchiveFileDone( | |
| 797 const std::vector<std::pair<int64_t, ClientId>>& offline_client_id_pairs, | |
| 798 DeletePageResult /* result */) { | |
| 799 for (const auto& id_pair : offline_client_id_pairs) { | |
| 800 FOR_EACH_OBSERVER(Observer, observers_, | |
| 801 OfflinePageDeleted(id_pair.first, id_pair.second)); | |
| 802 } | |
| 803 } | |
| 804 | |
| 805 void OfflinePageModel::OnRemoveAllFilesDoneForClearAll( | |
| 806 const base::Closure& callback, | |
| 807 DeletePageResult result) { | |
| 808 store_->Reset(base::Bind(&OfflinePageModel::OnResetStoreDoneForClearAll, | |
| 809 weak_ptr_factory_.GetWeakPtr(), | |
| 810 callback)); | |
| 811 } | |
| 812 | |
| 813 void OfflinePageModel::OnResetStoreDoneForClearAll( | |
| 814 const base::Closure& callback, bool success) { | |
| 815 DCHECK(success); | |
| 816 if (!success) { | |
| 817 UMA_HISTOGRAM_ENUMERATION("OfflinePages.ClearAllStatus2", | |
| 818 STORE_RESET_FAILED, | |
| 819 CLEAR_ALL_STATUS_COUNT); | |
| 820 } | |
| 821 | |
| 822 offline_pages_.clear(); | |
| 823 store_->Load(base::Bind(&OfflinePageModel::OnReloadStoreDoneForClearAll, | |
| 824 weak_ptr_factory_.GetWeakPtr(), | |
| 825 callback)); | |
| 826 } | |
| 827 | |
| 828 void OfflinePageModel::OnReloadStoreDoneForClearAll( | |
| 829 const base::Closure& callback, | |
| 830 OfflinePageMetadataStore::LoadStatus load_status, | |
| 831 const std::vector<OfflinePageItem>& offline_pages) { | |
| 832 DCHECK_EQ(OfflinePageMetadataStore::LOAD_SUCCEEDED, load_status); | |
| 833 UMA_HISTOGRAM_ENUMERATION( | |
| 834 "OfflinePages.ClearAllStatus2", | |
| 835 load_status == OfflinePageMetadataStore::LOAD_SUCCEEDED ? | |
| 836 CLEAR_ALL_SUCCEEDED : STORE_RELOAD_FAILED, | |
| 837 CLEAR_ALL_STATUS_COUNT); | |
| 838 | |
| 839 CacheLoadedData(offline_pages); | |
| 840 callback.Run(); | |
| 841 } | |
| 842 | |
| 843 void OfflinePageModel::CacheLoadedData( | |
| 844 const std::vector<OfflinePageItem>& offline_pages) { | |
| 845 offline_pages_.clear(); | |
| 846 for (const auto& offline_page : offline_pages) | |
| 847 offline_pages_[offline_page.offline_id] = offline_page; | |
| 848 } | |
| 849 | |
| 850 int64_t OfflinePageModel::GenerateOfflineId() { | |
| 851 return base::RandGenerator(std::numeric_limits<int64_t>::max()) + 1; | |
| 852 } | |
| 853 | |
| 854 void OfflinePageModel::RunWhenLoaded(const base::Closure& task) { | |
| 855 if (!is_loaded_) { | |
| 856 delayed_tasks_.push_back(task); | |
| 857 return; | |
| 858 } | |
| 859 | |
| 860 base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, task); | |
| 861 } | |
| 862 | 19 |
| 863 } // namespace offline_pages | 20 } // namespace offline_pages |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2011763005:
Splits the OfflinePageModel into and interface and and implementation class. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master