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| 1 // Copyright (c) 2011 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/download/download_item.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/file_util.h" | |
| 9 #include "base/format_macros.h" | |
| 10 #include "base/i18n/case_conversion.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/metrics/histogram.h" | |
| 13 #include "base/stringprintf.h" | |
| 14 #include "base/timer.h" | |
| 15 #include "base/utf_string_conversions.h" | |
| 16 #include "net/base/net_util.h" | |
| 17 #include "chrome/browser/download/download_create_info.h" | |
| 18 #include "chrome/browser/download/download_crx_util.h" | |
| 19 #include "chrome/browser/download/download_extensions.h" | |
| 20 #include "chrome/browser/download/download_file_manager.h" | |
| 21 #include "chrome/browser/download/download_history.h" | |
| 22 #include "chrome/browser/download/download_manager.h" | |
| 23 #include "chrome/browser/download/download_manager_delegate.h" | |
| 24 #include "chrome/browser/download/download_prefs.h" | |
| 25 #include "chrome/browser/download/download_state_info.h" | |
| 26 #include "chrome/browser/download/download_util.h" | |
| 27 #include "chrome/browser/extensions/crx_installer.h" | |
| 28 #include "chrome/browser/history/download_history_info.h" | |
| 29 #include "chrome/browser/platform_util.h" | |
| 30 #include "chrome/browser/prefs/pref_service.h" | |
| 31 #include "chrome/browser/profiles/profile.h" | |
| 32 #include "chrome/common/chrome_notification_types.h" | |
| 33 #include "chrome/common/extensions/extension.h" | |
| 34 #include "chrome/common/pref_names.h" | |
| 35 #include "content/browser/browser_thread.h" | |
| 36 #include "content/common/notification_source.h" | |
| 37 #include "ui/base/l10n/l10n_util.h" | |
| 38 | |
| 39 // A DownloadItem normally goes through the following states: | |
| 40 // * Created (when download starts) | |
| 41 // * Made visible to consumers (e.g. Javascript) after the | |
| 42 // destination file has been determined. | |
| 43 // * Entered into the history database. | |
| 44 // * Made visible in the download shelf. | |
| 45 // * All data is saved. Note that the actual data download occurs | |
| 46 // in parallel with the above steps, but until those steps are | |
| 47 // complete, completion of the data download will be ignored. | |
| 48 // * Download file is renamed to its final name, and possibly | |
| 49 // auto-opened. | |
| 50 // TODO(rdsmith): This progress should be reflected in | |
| 51 // DownloadItem::DownloadState and a state transition table/state diagram. | |
| 52 // | |
| 53 // TODO(rdsmith): This description should be updated to reflect the cancel | |
| 54 // pathways. | |
| 55 | |
| 56 namespace { | |
| 57 | |
| 58 // Update frequency (milliseconds). | |
| 59 const int kUpdateTimeMs = 1000; | |
| 60 | |
| 61 static void DeleteDownloadedFile(const FilePath& path) { | |
| 62 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | |
| 63 | |
| 64 // Make sure we only delete files. | |
| 65 if (!file_util::DirectoryExists(path)) | |
| 66 file_util::Delete(path, false); | |
| 67 } | |
| 68 | |
| 69 const char* DebugSafetyStateString(DownloadItem::SafetyState state) { | |
| 70 switch (state) { | |
| 71 case DownloadItem::SAFE: | |
| 72 return "SAFE"; | |
| 73 case DownloadItem::DANGEROUS: | |
| 74 return "DANGEROUS"; | |
| 75 case DownloadItem::DANGEROUS_BUT_VALIDATED: | |
| 76 return "DANGEROUS_BUT_VALIDATED"; | |
| 77 default: | |
| 78 NOTREACHED() << "Unknown safety state " << state; | |
| 79 return "unknown"; | |
| 80 }; | |
| 81 } | |
| 82 | |
| 83 const char* DebugDownloadStateString(DownloadItem::DownloadState state) { | |
| 84 switch (state) { | |
| 85 case DownloadItem::IN_PROGRESS: | |
| 86 return "IN_PROGRESS"; | |
| 87 case DownloadItem::COMPLETE: | |
| 88 return "COMPLETE"; | |
| 89 case DownloadItem::CANCELLED: | |
| 90 return "CANCELLED"; | |
| 91 case DownloadItem::REMOVING: | |
| 92 return "REMOVING"; | |
| 93 case DownloadItem::INTERRUPTED: | |
| 94 return "INTERRUPTED"; | |
| 95 default: | |
| 96 NOTREACHED() << "Unknown download state " << state; | |
| 97 return "unknown"; | |
| 98 }; | |
| 99 } | |
| 100 | |
| 101 DownloadItem::SafetyState GetSafetyState(bool dangerous_file, | |
| 102 bool dangerous_url) { | |
| 103 return (dangerous_url || dangerous_file) ? | |
| 104 DownloadItem::DANGEROUS : DownloadItem::SAFE; | |
| 105 } | |
| 106 | |
| 107 // Note: When a download has both |dangerous_file| and |dangerous_url| set, | |
| 108 // danger type is set to DANGEROUS_URL since the risk of dangerous URL | |
| 109 // overweights that of dangerous file type. | |
| 110 DownloadItem::DangerType GetDangerType(bool dangerous_file, | |
| 111 bool dangerous_url) { | |
| 112 if (dangerous_url) { | |
| 113 // dangerous URL overweights dangerous file. We check dangerous URL first. | |
| 114 return DownloadItem::DANGEROUS_URL; | |
| 115 } | |
| 116 return dangerous_file ? | |
| 117 DownloadItem::DANGEROUS_FILE : DownloadItem::NOT_DANGEROUS; | |
| 118 } | |
| 119 | |
| 120 } // namespace | |
| 121 | |
| 122 // Constructor for reading from the history service. | |
| 123 DownloadItem::DownloadItem(DownloadManager* download_manager, | |
| 124 const DownloadHistoryInfo& info) | |
| 125 : download_id_(-1), | |
| 126 full_path_(info.path), | |
| 127 url_chain_(1, info.url), | |
| 128 referrer_url_(info.referrer_url), | |
| 129 total_bytes_(info.total_bytes), | |
| 130 received_bytes_(info.received_bytes), | |
| 131 start_tick_(base::TimeTicks()), | |
| 132 state_(static_cast<DownloadState>(info.state)), | |
| 133 start_time_(info.start_time), | |
| 134 db_handle_(info.db_handle), | |
| 135 download_manager_(download_manager), | |
| 136 is_paused_(false), | |
| 137 open_when_complete_(false), | |
| 138 file_externally_removed_(false), | |
| 139 safety_state_(SAFE), | |
| 140 auto_opened_(false), | |
| 141 is_otr_(false), | |
| 142 is_temporary_(false), | |
| 143 all_data_saved_(false), | |
| 144 opened_(false), | |
| 145 open_enabled_(true) { | |
| 146 if (IsInProgress()) | |
| 147 state_ = CANCELLED; | |
| 148 if (IsComplete()) | |
| 149 all_data_saved_ = true; | |
| 150 Init(false /* not actively downloading */); | |
| 151 } | |
| 152 | |
| 153 // Constructing for a regular download: | |
| 154 DownloadItem::DownloadItem(DownloadManager* download_manager, | |
| 155 const DownloadCreateInfo& info, | |
| 156 bool is_otr) | |
| 157 : state_info_(info.original_name, info.save_info.file_path, | |
| 158 info.has_user_gesture, info.prompt_user_for_save_location, | |
| 159 info.path_uniquifier, false, false, | |
| 160 info.is_extension_install), | |
| 161 request_handle_(info.request_handle), | |
| 162 download_id_(info.download_id), | |
| 163 full_path_(info.path), | |
| 164 url_chain_(info.url_chain), | |
| 165 referrer_url_(info.referrer_url), | |
| 166 suggested_filename_(UTF16ToUTF8(info.save_info.suggested_name)), | |
| 167 content_disposition_(info.content_disposition), | |
| 168 mime_type_(info.mime_type), | |
| 169 original_mime_type_(info.original_mime_type), | |
| 170 referrer_charset_(info.referrer_charset), | |
| 171 total_bytes_(info.total_bytes), | |
| 172 received_bytes_(0), | |
| 173 last_os_error_(0), | |
| 174 start_tick_(base::TimeTicks::Now()), | |
| 175 state_(IN_PROGRESS), | |
| 176 start_time_(info.start_time), | |
| 177 db_handle_(DownloadHistory::kUninitializedHandle), | |
| 178 download_manager_(download_manager), | |
| 179 is_paused_(false), | |
| 180 open_when_complete_(false), | |
| 181 file_externally_removed_(false), | |
| 182 safety_state_(SAFE), | |
| 183 auto_opened_(false), | |
| 184 is_otr_(is_otr), | |
| 185 is_temporary_(!info.save_info.file_path.empty()), | |
| 186 all_data_saved_(false), | |
| 187 opened_(false), | |
| 188 open_enabled_(true) { | |
| 189 Init(true /* actively downloading */); | |
| 190 } | |
| 191 | |
| 192 // Constructing for the "Save Page As..." feature: | |
| 193 DownloadItem::DownloadItem(DownloadManager* download_manager, | |
| 194 const FilePath& path, | |
| 195 const GURL& url, | |
| 196 bool is_otr) | |
| 197 : download_id_(download_manager->GetNextSavePageId()), | |
| 198 full_path_(path), | |
| 199 url_chain_(1, url), | |
| 200 referrer_url_(GURL()), | |
| 201 total_bytes_(0), | |
| 202 received_bytes_(0), | |
| 203 last_os_error_(0), | |
| 204 start_tick_(base::TimeTicks::Now()), | |
| 205 state_(IN_PROGRESS), | |
| 206 start_time_(base::Time::Now()), | |
| 207 db_handle_(DownloadHistory::kUninitializedHandle), | |
| 208 download_manager_(download_manager), | |
| 209 is_paused_(false), | |
| 210 open_when_complete_(false), | |
| 211 file_externally_removed_(false), | |
| 212 safety_state_(SAFE), | |
| 213 auto_opened_(false), | |
| 214 is_otr_(is_otr), | |
| 215 is_temporary_(false), | |
| 216 all_data_saved_(false), | |
| 217 opened_(false), | |
| 218 open_enabled_(true) { | |
| 219 Init(true /* actively downloading */); | |
| 220 } | |
| 221 | |
| 222 DownloadItem::~DownloadItem() { | |
| 223 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 224 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 225 | |
| 226 TransitionTo(REMOVING); | |
| 227 download_manager_->AssertQueueStateConsistent(this); | |
| 228 } | |
| 229 | |
| 230 void DownloadItem::AddObserver(Observer* observer) { | |
| 231 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 232 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 233 | |
| 234 observers_.AddObserver(observer); | |
| 235 } | |
| 236 | |
| 237 void DownloadItem::RemoveObserver(Observer* observer) { | |
| 238 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 239 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 240 | |
| 241 observers_.RemoveObserver(observer); | |
| 242 } | |
| 243 | |
| 244 void DownloadItem::UpdateObservers() { | |
| 245 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 246 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 247 | |
| 248 FOR_EACH_OBSERVER(Observer, observers_, OnDownloadUpdated(this)); | |
| 249 } | |
| 250 | |
| 251 bool DownloadItem::CanShowInFolder() { | |
| 252 return !IsCancelled() && !file_externally_removed_; | |
| 253 } | |
| 254 | |
| 255 bool DownloadItem::CanOpenDownload() { | |
| 256 return !Extension::IsExtension(state_info_.target_name) && | |
| 257 !file_externally_removed_; | |
| 258 } | |
| 259 | |
| 260 bool DownloadItem::ShouldOpenFileBasedOnExtension() { | |
| 261 return download_manager_->delegate()->ShouldOpenFileBasedOnExtension( | |
| 262 GetUserVerifiedFilePath()); | |
| 263 } | |
| 264 | |
| 265 void DownloadItem::OpenFilesBasedOnExtension(bool open) { | |
| 266 DownloadPrefs* prefs = download_manager_->download_prefs(); | |
| 267 if (open) | |
| 268 prefs->EnableAutoOpenBasedOnExtension(GetUserVerifiedFilePath()); | |
| 269 else | |
| 270 prefs->DisableAutoOpenBasedOnExtension(GetUserVerifiedFilePath()); | |
| 271 } | |
| 272 | |
| 273 void DownloadItem::OpenDownload() { | |
| 274 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 275 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 276 | |
| 277 if (IsPartialDownload()) { | |
| 278 open_when_complete_ = !open_when_complete_; | |
| 279 } else if (IsComplete() && !file_externally_removed_) { | |
| 280 // Ideally, we want to detect errors in opening and report them, but we | |
| 281 // don't generally have the proper interface for that to the external | |
| 282 // program that opens the file. So instead we spawn a check to update | |
| 283 // the UI if the file has been deleted in parallel with the open. | |
| 284 download_manager_->CheckForFileRemoval(this); | |
| 285 opened_ = true; | |
| 286 FOR_EACH_OBSERVER(Observer, observers_, OnDownloadOpened(this)); | |
| 287 | |
| 288 // For testing: If download opening is disabled on this item, | |
| 289 // make the rest of the routine a no-op. | |
| 290 if (!open_enabled_) | |
| 291 return; | |
| 292 | |
| 293 if (is_extension_install()) { | |
| 294 download_crx_util::OpenChromeExtension(download_manager_->profile(), | |
| 295 *this); | |
| 296 return; | |
| 297 } | |
| 298 #if defined(OS_MACOSX) | |
| 299 // Mac OS X requires opening downloads on the UI thread. | |
| 300 platform_util::OpenItem(full_path()); | |
| 301 #else | |
| 302 BrowserThread::PostTask( | |
| 303 BrowserThread::FILE, FROM_HERE, | |
| 304 NewRunnableFunction(&platform_util::OpenItem, full_path())); | |
| 305 #endif | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 void DownloadItem::ShowDownloadInShell() { | |
| 310 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 311 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 312 | |
| 313 #if defined(OS_MACOSX) | |
| 314 // Mac needs to run this operation on the UI thread. | |
| 315 platform_util::ShowItemInFolder(full_path()); | |
| 316 #else | |
| 317 BrowserThread::PostTask( | |
| 318 BrowserThread::FILE, FROM_HERE, | |
| 319 NewRunnableFunction(&platform_util::ShowItemInFolder, | |
| 320 full_path())); | |
| 321 #endif | |
| 322 } | |
| 323 | |
| 324 void DownloadItem::DangerousDownloadValidated() { | |
| 325 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 326 DCHECK_EQ(DANGEROUS, safety_state()); | |
| 327 | |
| 328 UMA_HISTOGRAM_ENUMERATION("Download.DangerousDownloadValidated", | |
| 329 GetDangerType(), | |
| 330 DANGEROUS_TYPE_MAX); | |
| 331 | |
| 332 safety_state_ = DANGEROUS_BUT_VALIDATED; | |
| 333 UpdateObservers(); | |
| 334 | |
| 335 download_manager_->MaybeCompleteDownload(this); | |
| 336 } | |
| 337 | |
| 338 void DownloadItem::UpdateSize(int64 bytes_so_far) { | |
| 339 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 340 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 341 | |
| 342 received_bytes_ = bytes_so_far; | |
| 343 | |
| 344 // If we've received more data than we were expecting (bad server info?), | |
| 345 // revert to 'unknown size mode'. | |
| 346 if (received_bytes_ > total_bytes_) | |
| 347 total_bytes_ = 0; | |
| 348 } | |
| 349 | |
| 350 void DownloadItem::StartProgressTimer() { | |
| 351 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 352 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 353 | |
| 354 update_timer_.Start(base::TimeDelta::FromMilliseconds(kUpdateTimeMs), this, | |
| 355 &DownloadItem::UpdateObservers); | |
| 356 } | |
| 357 | |
| 358 void DownloadItem::StopProgressTimer() { | |
| 359 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 360 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 361 | |
| 362 update_timer_.Stop(); | |
| 363 } | |
| 364 | |
| 365 // Updates from the download thread may have been posted while this download | |
| 366 // was being cancelled in the UI thread, so we'll accept them unless we're | |
| 367 // complete. | |
| 368 void DownloadItem::Update(int64 bytes_so_far) { | |
| 369 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 370 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 371 | |
| 372 if (!IsInProgress()) { | |
| 373 NOTREACHED(); | |
| 374 return; | |
| 375 } | |
| 376 UpdateSize(bytes_so_far); | |
| 377 UpdateObservers(); | |
| 378 } | |
| 379 | |
| 380 // Triggered by a user action. | |
| 381 void DownloadItem::Cancel(bool update_history) { | |
| 382 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 383 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 384 | |
| 385 VLOG(20) << __FUNCTION__ << "() download = " << DebugString(true); | |
| 386 if (!IsPartialDownload()) { | |
| 387 // Small downloads might be complete before this method has | |
| 388 // a chance to run. | |
| 389 return; | |
| 390 } | |
| 391 | |
| 392 download_util::RecordDownloadCount(download_util::CANCELLED_COUNT); | |
| 393 | |
| 394 TransitionTo(CANCELLED); | |
| 395 StopProgressTimer(); | |
| 396 if (update_history) | |
| 397 download_manager_->DownloadCancelled(download_id_); | |
| 398 } | |
| 399 | |
| 400 void DownloadItem::MarkAsComplete() { | |
| 401 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 402 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 403 | |
| 404 DCHECK(all_data_saved_); | |
| 405 TransitionTo(COMPLETE); | |
| 406 } | |
| 407 | |
| 408 void DownloadItem::OnAllDataSaved(int64 size) { | |
| 409 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 410 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 411 | |
| 412 DCHECK(!all_data_saved_); | |
| 413 all_data_saved_ = true; | |
| 414 UpdateSize(size); | |
| 415 StopProgressTimer(); | |
| 416 } | |
| 417 | |
| 418 void DownloadItem::OnDownloadedFileRemoved() { | |
| 419 file_externally_removed_ = true; | |
| 420 UpdateObservers(); | |
| 421 } | |
| 422 | |
| 423 void DownloadItem::Completed() { | |
| 424 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 425 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 426 | |
| 427 VLOG(20) << __FUNCTION__ << "() " << DebugString(false); | |
| 428 | |
| 429 DCHECK(all_data_saved_); | |
| 430 TransitionTo(COMPLETE); | |
| 431 download_manager_->DownloadCompleted(id()); | |
| 432 download_util::RecordDownloadCompleted(start_tick_); | |
| 433 | |
| 434 if (is_extension_install()) { | |
| 435 // Extensions should already have been unpacked and opened. | |
| 436 DCHECK(auto_opened_); | |
| 437 } else if (open_when_complete() || | |
| 438 ShouldOpenFileBasedOnExtension() || | |
| 439 is_temporary()) { | |
| 440 // If the download is temporary, like in drag-and-drop, do not open it but | |
| 441 // we still need to set it auto-opened so that it can be removed from the | |
| 442 // download shelf. | |
| 443 if (!is_temporary()) | |
| 444 OpenDownload(); | |
| 445 | |
| 446 auto_opened_ = true; | |
| 447 UpdateObservers(); | |
| 448 } | |
| 449 } | |
| 450 | |
| 451 void DownloadItem::StartCrxInstall() { | |
| 452 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 453 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 454 | |
| 455 DCHECK(is_extension_install()); | |
| 456 DCHECK(all_data_saved_); | |
| 457 | |
| 458 scoped_refptr<CrxInstaller> crx_installer = | |
| 459 download_crx_util::OpenChromeExtension( | |
| 460 download_manager_->profile(), | |
| 461 *this); | |
| 462 | |
| 463 // CRX_INSTALLER_DONE will fire when the install completes. Observe() | |
| 464 // will call Completed() on this item. If this DownloadItem is not | |
| 465 // around when CRX_INSTALLER_DONE fires, Complete() will not be called. | |
| 466 registrar_.Add(this, | |
| 467 chrome::NOTIFICATION_CRX_INSTALLER_DONE, | |
| 468 Source<CrxInstaller>(crx_installer.get())); | |
| 469 | |
| 470 // The status text and percent complete indicator will change now | |
| 471 // that we are installing a CRX. Update observers so that they pick | |
| 472 // up the change. | |
| 473 UpdateObservers(); | |
| 474 } | |
| 475 | |
| 476 void DownloadItem::TransitionTo(DownloadState new_state) { | |
| 477 if (state_ == new_state) | |
| 478 return; | |
| 479 | |
| 480 state_ = new_state; | |
| 481 UpdateObservers(); | |
| 482 } | |
| 483 | |
| 484 void DownloadItem::UpdateSafetyState() { | |
| 485 SafetyState updated_value( | |
| 486 GetSafetyState(state_info_.is_dangerous_file, | |
| 487 state_info_.is_dangerous_url)); | |
| 488 if (updated_value != safety_state_) { | |
| 489 safety_state_ = updated_value; | |
| 490 UpdateObservers(); | |
| 491 } | |
| 492 } | |
| 493 | |
| 494 void DownloadItem::UpdateTarget() { | |
| 495 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 496 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 497 | |
| 498 if (state_info_.target_name.value().empty()) | |
| 499 state_info_.target_name = full_path_.BaseName(); | |
| 500 } | |
| 501 | |
| 502 // NotificationObserver implementation. | |
| 503 void DownloadItem::Observe(int type, | |
| 504 const NotificationSource& source, | |
| 505 const NotificationDetails& details) { | |
| 506 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 507 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 508 | |
| 509 DCHECK(type == chrome::NOTIFICATION_CRX_INSTALLER_DONE); | |
| 510 | |
| 511 // No need to listen for CRX_INSTALLER_DONE anymore. | |
| 512 registrar_.Remove(this, | |
| 513 chrome::NOTIFICATION_CRX_INSTALLER_DONE, | |
| 514 source); | |
| 515 | |
| 516 auto_opened_ = true; | |
| 517 DCHECK(all_data_saved_); | |
| 518 | |
| 519 Completed(); | |
| 520 } | |
| 521 | |
| 522 void DownloadItem::Interrupted(int64 size, int os_error) { | |
| 523 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 524 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 525 | |
| 526 if (!IsInProgress()) | |
| 527 return; | |
| 528 | |
| 529 last_os_error_ = os_error; | |
| 530 UpdateSize(size); | |
| 531 StopProgressTimer(); | |
| 532 download_util::RecordDownloadInterrupted(os_error, | |
| 533 received_bytes_, | |
| 534 total_bytes_); | |
| 535 TransitionTo(INTERRUPTED); | |
| 536 } | |
| 537 | |
| 538 void DownloadItem::Delete(DeleteReason reason) { | |
| 539 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 540 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 541 | |
| 542 switch (reason) { | |
| 543 case DELETE_DUE_TO_USER_DISCARD: | |
| 544 UMA_HISTOGRAM_ENUMERATION("Download.UserDiscard", GetDangerType(), | |
| 545 DANGEROUS_TYPE_MAX); | |
| 546 break; | |
| 547 case DELETE_DUE_TO_BROWSER_SHUTDOWN: | |
| 548 UMA_HISTOGRAM_ENUMERATION("Download.Discard", GetDangerType(), | |
| 549 DANGEROUS_TYPE_MAX); | |
| 550 break; | |
| 551 default: | |
| 552 NOTREACHED(); | |
| 553 } | |
| 554 | |
| 555 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, | |
| 556 NewRunnableFunction(&DeleteDownloadedFile, full_path_)); | |
| 557 Remove(); | |
| 558 // We have now been deleted. | |
| 559 } | |
| 560 | |
| 561 void DownloadItem::Remove() { | |
| 562 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 563 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 564 | |
| 565 download_manager_->AssertQueueStateConsistent(this); | |
| 566 Cancel(true); | |
| 567 download_manager_->AssertQueueStateConsistent(this); | |
| 568 | |
| 569 TransitionTo(REMOVING); | |
| 570 download_manager_->RemoveDownload(db_handle_); | |
| 571 // We have now been deleted. | |
| 572 } | |
| 573 | |
| 574 bool DownloadItem::TimeRemaining(base::TimeDelta* remaining) const { | |
| 575 if (total_bytes_ <= 0) | |
| 576 return false; // We never received the content_length for this download. | |
| 577 | |
| 578 int64 speed = CurrentSpeed(); | |
| 579 if (speed == 0) | |
| 580 return false; | |
| 581 | |
| 582 *remaining = base::TimeDelta::FromSeconds( | |
| 583 (total_bytes_ - received_bytes_) / speed); | |
| 584 return true; | |
| 585 } | |
| 586 | |
| 587 int64 DownloadItem::CurrentSpeed() const { | |
| 588 if (is_paused_) | |
| 589 return 0; | |
| 590 base::TimeDelta diff = base::TimeTicks::Now() - start_tick_; | |
| 591 int64 diff_ms = diff.InMilliseconds(); | |
| 592 return diff_ms == 0 ? 0 : received_bytes_ * 1000 / diff_ms; | |
| 593 } | |
| 594 | |
| 595 int DownloadItem::PercentComplete() const { | |
| 596 // We don't have an accurate way to estimate the time to unpack a CRX. | |
| 597 // The slowest part is re-encoding images, and time to do this depends on | |
| 598 // the contents of the image. If a CRX is being unpacked, indicate that | |
| 599 // we do not know how close to completion we are. | |
| 600 if (IsCrxInstallRuning() || total_bytes_ <= 0) | |
| 601 return -1; | |
| 602 | |
| 603 return static_cast<int>(received_bytes_ * 100.0 / total_bytes_); | |
| 604 } | |
| 605 | |
| 606 void DownloadItem::OnPathDetermined(const FilePath& path) { | |
| 607 full_path_ = path; | |
| 608 UpdateTarget(); | |
| 609 } | |
| 610 | |
| 611 void DownloadItem::Rename(const FilePath& full_path) { | |
| 612 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 613 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 614 | |
| 615 VLOG(20) << __FUNCTION__ << "()" | |
| 616 << " full_path = \"" << full_path.value() << "\"" | |
| 617 << " " << DebugString(true); | |
| 618 DCHECK(!full_path.empty()); | |
| 619 full_path_ = full_path; | |
| 620 } | |
| 621 | |
| 622 void DownloadItem::TogglePause() { | |
| 623 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 624 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 625 | |
| 626 DCHECK(IsInProgress()); | |
| 627 if (is_paused_) | |
| 628 request_handle_.ResumeRequest(); | |
| 629 else | |
| 630 request_handle_.PauseRequest(); | |
| 631 is_paused_ = !is_paused_; | |
| 632 UpdateObservers(); | |
| 633 } | |
| 634 | |
| 635 void DownloadItem::OnDownloadCompleting(DownloadFileManager* file_manager) { | |
| 636 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 637 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 638 | |
| 639 VLOG(20) << __FUNCTION__ << "()" | |
| 640 << " needs rename = " << NeedsRename() | |
| 641 << " " << DebugString(true); | |
| 642 DCHECK_NE(DANGEROUS, safety_state()); | |
| 643 DCHECK(file_manager); | |
| 644 | |
| 645 if (NeedsRename()) { | |
| 646 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, | |
| 647 NewRunnableMethod(file_manager, | |
| 648 &DownloadFileManager::RenameCompletingDownloadFile, id(), | |
| 649 GetTargetFilePath(), safety_state() == SAFE)); | |
| 650 return; | |
| 651 } | |
| 652 | |
| 653 DCHECK(!is_extension_install()); | |
| 654 Completed(); | |
| 655 | |
| 656 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, | |
| 657 NewRunnableMethod(file_manager, &DownloadFileManager::CompleteDownload, | |
| 658 id())); | |
| 659 } | |
| 660 | |
| 661 void DownloadItem::OnDownloadRenamedToFinalName(const FilePath& full_path) { | |
| 662 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 663 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 664 | |
| 665 VLOG(20) << __FUNCTION__ << "()" | |
| 666 << " full_path = \"" << full_path.value() << "\"" | |
| 667 << " needed rename = " << NeedsRename() | |
| 668 << " " << DebugString(false); | |
| 669 DCHECK(NeedsRename()); | |
| 670 | |
| 671 Rename(full_path); | |
| 672 | |
| 673 if (is_extension_install()) { | |
| 674 StartCrxInstall(); | |
| 675 // Completed() will be called when the installer finishes. | |
| 676 return; | |
| 677 } | |
| 678 | |
| 679 Completed(); | |
| 680 } | |
| 681 | |
| 682 bool DownloadItem::MatchesQuery(const string16& query) const { | |
| 683 if (query.empty()) | |
| 684 return true; | |
| 685 | |
| 686 DCHECK_EQ(query, base::i18n::ToLower(query)); | |
| 687 | |
| 688 string16 url_raw(base::i18n::ToLower(UTF8ToUTF16(GetURL().spec()))); | |
| 689 if (url_raw.find(query) != string16::npos) | |
| 690 return true; | |
| 691 | |
| 692 // TODO(phajdan.jr): write a test case for the following code. | |
| 693 // A good test case would be: | |
| 694 // "/\xe4\xbd\xa0\xe5\xa5\xbd\xe4\xbd\xa0\xe5\xa5\xbd", | |
| 695 // L"/\x4f60\x597d\x4f60\x597d", | |
| 696 // "/%E4%BD%A0%E5%A5%BD%E4%BD%A0%E5%A5%BD" | |
| 697 PrefService* prefs = download_manager_->profile()->GetPrefs(); | |
| 698 std::string languages(prefs->GetString(prefs::kAcceptLanguages)); | |
| 699 string16 url_formatted( | |
| 700 base::i18n::ToLower(net::FormatUrl(GetURL(), languages))); | |
| 701 if (url_formatted.find(query) != string16::npos) | |
| 702 return true; | |
| 703 | |
| 704 string16 path(base::i18n::ToLower(full_path().LossyDisplayName())); | |
| 705 // This shouldn't just do a substring match; it is wrong for Unicode | |
| 706 // due to normalization and we have a fancier search-query system | |
| 707 // used elsewhere. | |
| 708 // http://code.google.com/p/chromium/issues/detail?id=71982 | |
| 709 return (path.find(query) != string16::npos); | |
| 710 } | |
| 711 | |
| 712 void DownloadItem::SetFileCheckResults(const DownloadStateInfo& state) { | |
| 713 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 714 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 715 | |
| 716 VLOG(20) << " " << __FUNCTION__ << "()" << " this = " << DebugString(true); | |
| 717 state_info_ = state; | |
| 718 VLOG(20) << " " << __FUNCTION__ << "()" << " this = " << DebugString(true); | |
| 719 | |
| 720 UpdateSafetyState(); | |
| 721 } | |
| 722 | |
| 723 DownloadItem::DangerType DownloadItem::GetDangerType() const { | |
| 724 return ::GetDangerType(state_info_.is_dangerous_file, | |
| 725 state_info_.is_dangerous_url); | |
| 726 } | |
| 727 | |
| 728 bool DownloadItem::IsDangerous() const { | |
| 729 return GetDangerType() != DownloadItem::NOT_DANGEROUS; | |
| 730 } | |
| 731 | |
| 732 void DownloadItem::MarkFileDangerous() { | |
| 733 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 734 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 735 | |
| 736 state_info_.is_dangerous_file = true; | |
| 737 UpdateSafetyState(); | |
| 738 } | |
| 739 | |
| 740 void DownloadItem::MarkUrlDangerous() { | |
| 741 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 742 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 743 | |
| 744 state_info_.is_dangerous_url = true; | |
| 745 UpdateSafetyState(); | |
| 746 } | |
| 747 | |
| 748 DownloadHistoryInfo DownloadItem::GetHistoryInfo() const { | |
| 749 return DownloadHistoryInfo(full_path(), | |
| 750 GetURL(), | |
| 751 referrer_url(), | |
| 752 start_time(), | |
| 753 received_bytes(), | |
| 754 total_bytes(), | |
| 755 state(), | |
| 756 db_handle()); | |
| 757 } | |
| 758 | |
| 759 FilePath DownloadItem::GetTargetFilePath() const { | |
| 760 return full_path_.DirName().Append(state_info_.target_name); | |
| 761 } | |
| 762 | |
| 763 FilePath DownloadItem::GetFileNameToReportUser() const { | |
| 764 if (state_info_.path_uniquifier > 0) { | |
| 765 FilePath name(state_info_.target_name); | |
| 766 download_util::AppendNumberToPath(&name, state_info_.path_uniquifier); | |
| 767 return name; | |
| 768 } | |
| 769 return state_info_.target_name; | |
| 770 } | |
| 771 | |
| 772 FilePath DownloadItem::GetUserVerifiedFilePath() const { | |
| 773 return (safety_state_ == DownloadItem::SAFE) ? | |
| 774 GetTargetFilePath() : full_path_; | |
| 775 } | |
| 776 | |
| 777 void DownloadItem::Init(bool active) { | |
| 778 // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved. | |
| 779 CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 780 | |
| 781 UpdateTarget(); | |
| 782 if (active) { | |
| 783 StartProgressTimer(); | |
| 784 download_util::RecordDownloadCount(download_util::START_COUNT); | |
| 785 } | |
| 786 VLOG(20) << __FUNCTION__ << "() " << DebugString(true); | |
| 787 } | |
| 788 | |
| 789 // TODO(ahendrickson) -- Move |INTERRUPTED| from |IsCancelled()| to | |
| 790 // |IsPartialDownload()|, when resuming interrupted downloads is implemented. | |
| 791 bool DownloadItem::IsPartialDownload() const { | |
| 792 return (state_ == IN_PROGRESS); | |
| 793 } | |
| 794 | |
| 795 bool DownloadItem::IsInProgress() const { | |
| 796 return (state_ == IN_PROGRESS); | |
| 797 } | |
| 798 | |
| 799 bool DownloadItem::IsCancelled() const { | |
| 800 return (state_ == CANCELLED) || | |
| 801 (state_ == INTERRUPTED); | |
| 802 } | |
| 803 | |
| 804 bool DownloadItem::IsInterrupted() const { | |
| 805 return (state_ == INTERRUPTED); | |
| 806 } | |
| 807 | |
| 808 bool DownloadItem::IsComplete() const { | |
| 809 return (state_ == COMPLETE); | |
| 810 } | |
| 811 | |
| 812 const GURL& DownloadItem::GetURL() const { | |
| 813 return url_chain_.empty() ? | |
| 814 GURL::EmptyGURL() : url_chain_.back(); | |
| 815 } | |
| 816 | |
| 817 std::string DownloadItem::DebugString(bool verbose) const { | |
| 818 std::string description = | |
| 819 base::StringPrintf("{ id = %d" | |
| 820 " state = %s", | |
| 821 download_id_, | |
| 822 DebugDownloadStateString(state())); | |
| 823 | |
| 824 // Construct a string of the URL chain. | |
| 825 std::string url_list("<none>"); | |
| 826 if (!url_chain_.empty()) { | |
| 827 std::vector<GURL>::const_iterator iter = url_chain_.begin(); | |
| 828 std::vector<GURL>::const_iterator last = url_chain_.end(); | |
| 829 url_list = (*iter).spec(); | |
| 830 ++iter; | |
| 831 for ( ; verbose && (iter != last); ++iter) { | |
| 832 url_list += " ->\n\t"; | |
| 833 const GURL& next_url = *iter; | |
| 834 url_list += next_url.spec(); | |
| 835 } | |
| 836 } | |
| 837 | |
| 838 if (verbose) { | |
| 839 description += base::StringPrintf( | |
| 840 " db_handle = %" PRId64 | |
| 841 " total_bytes = %" PRId64 | |
| 842 " received_bytes = %" PRId64 | |
| 843 " is_paused = %c" | |
| 844 " is_extension_install = %c" | |
| 845 " is_otr = %c" | |
| 846 " safety_state = %s" | |
| 847 " url_chain = \n\t\"%s\"\n\t" | |
| 848 " target_name = \"%" PRFilePath "\"" | |
| 849 " full_path = \"%" PRFilePath "\"", | |
| 850 db_handle(), | |
| 851 total_bytes(), | |
| 852 received_bytes(), | |
| 853 is_paused() ? 'T' : 'F', | |
| 854 is_extension_install() ? 'T' : 'F', | |
| 855 is_otr() ? 'T' : 'F', | |
| 856 DebugSafetyStateString(safety_state()), | |
| 857 url_list.c_str(), | |
| 858 state_info_.target_name.value().c_str(), | |
| 859 full_path().value().c_str()); | |
| 860 } else { | |
| 861 description += base::StringPrintf(" url = \"%s\"", url_list.c_str()); | |
| 862 } | |
| 863 | |
| 864 description += " }"; | |
| 865 | |
| 866 return description; | |
| 867 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 7618048:
Move the core download files to content. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/