chrome/browser/ui/webui/chromeos/drive_internals_ui.cc

   1 // Copyright (c) 2012 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/ui/webui/chromeos/drive_internals_ui.h"
   6
   7 #include "base/bind.h"
   8 #include "base/files/file_enumerator.h"
   9 #include "base/files/file_util.h"
  10 #include "base/format_macros.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/path_service.h"
  13 #include "base/prefs/pref_service.h"
  14 #include "base/strings/stringprintf.h"
  15 #include "base/sys_info.h"
  16 #include "chrome/browser/chromeos/drive/debug_info_collector.h"
  17 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
  18 #include "chrome/browser/chromeos/drive/file_system_util.h"
  19 #include "chrome/browser/chromeos/file_manager/path_util.h"
  20 #include "chrome/browser/drive/drive_notification_manager_factory.h"
  21 #include "chrome/browser/profiles/profile.h"
  22 #include "chrome/common/pref_names.h"
  23 #include "chrome/common/url_constants.h"
  24 #include "components/drive/drive.pb.h"
  25 #include "components/drive/drive_api_util.h"
  26 #include "components/drive/drive_notification_manager.h"
  27 #include "components/drive/drive_pref_names.h"
  28 #include "components/drive/event_logger.h"
  29 #include "components/drive/job_list.h"
  30 #include "components/drive/service/drive_service_interface.h"
  31 #include "content/public/browser/browser_thread.h"
  32 #include "content/public/browser/web_ui.h"
  33 #include "content/public/browser/web_ui_data_source.h"
  34 #include "content/public/browser/web_ui_message_handler.h"
  35 #include "google_apis/drive/auth_service.h"
  36 #include "google_apis/drive/drive_api_error_codes.h"
  37 #include "google_apis/drive/drive_api_parser.h"
  38 #include "google_apis/drive/time_util.h"
  39 #include "grit/browser_resources.h"
  40
  41 using content::BrowserThread;
  42
  43 namespace chromeos {
  44
  45 namespace {
  46
  47 // Gets metadata of all files and directories in |root_path|
  48 // recursively. Stores the result as a list of dictionaries like:
  49 //
  50 // [{ path: 'GCache/v1/tmp/<local_id>',
  51 //    size: 12345,
  52 //    is_directory: false,
  53 //    last_modified: '2005-08-09T09:57:00-08:00',
  54 //  },...]
  55 //
  56 // The list is sorted by the path.
  57 void GetGCacheContents(const base::FilePath& root_path,
  58                        base::ListValue* gcache_contents,
  59                        base::DictionaryValue* gcache_summary) {
  60   DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI));
  61   DCHECK(gcache_contents);
  62   DCHECK(gcache_summary);
  63
  64   // Use this map to sort the result list by the path.
  65   std::map<base::FilePath, base::DictionaryValue*> files;
  66
  67   const int options = (base::FileEnumerator::FILES |
  68                        base::FileEnumerator::DIRECTORIES |
  69                        base::FileEnumerator::SHOW_SYM_LINKS);
  70   base::FileEnumerator enumerator(root_path, true /* recursive */, options);
  71
  72   int64 total_size = 0;
  73   for (base::FilePath current = enumerator.Next(); !current.empty();
  74        current = enumerator.Next()) {
  75     base::FileEnumerator::FileInfo info = enumerator.GetInfo();
  76     int64 size = info.GetSize();
  77     const bool is_directory = info.IsDirectory();
  78     const bool is_symbolic_link = base::IsLink(info.GetName());
  79     const base::Time last_modified = info.GetLastModifiedTime();
  80
  81     base::DictionaryValue* entry = new base::DictionaryValue;
  82     entry->SetString("path", current.value());
  83     // Use double instead of integer for large files.
  84     entry->SetDouble("size", size);
  85     entry->SetBoolean("is_directory", is_directory);
  86     entry->SetBoolean("is_symbolic_link", is_symbolic_link);
  87     entry->SetString(
  88         "last_modified",
  89         google_apis::util::FormatTimeAsStringLocaltime(last_modified));
  90     // Print lower 9 bits in octal format.
  91     entry->SetString(
  92         "permission",
  93         base::StringPrintf("%03o", info.stat().st_mode & 0x1ff));
  94     files[current] = entry;
  95
  96     total_size += size;
  97   }
  98
  99   // Convert |files| into |gcache_contents|.
 100   for (std::map<base::FilePath, base::DictionaryValue*>::const_iterator
 101            iter = files.begin(); iter != files.end(); ++iter) {
 102     gcache_contents->Append(iter->second);
 103   }
 104
 105   gcache_summary->SetDouble("total_size", total_size);
 106 }
 107
 108 // Gets the available disk space for the path |home_path|.
 109 void GetFreeDiskSpace(const base::FilePath& home_path,
 110                       base::DictionaryValue* local_storage_summary) {
 111   DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI));
 112   DCHECK(local_storage_summary);
 113
 114   const int64 free_space = base::SysInfo::AmountOfFreeDiskSpace(home_path);
 115   local_storage_summary->SetDouble("free_space", free_space);
 116 }
 117
 118 // Formats |entry| into text.
 119 std::string FormatEntry(const base::FilePath& path,
 120                         const drive::ResourceEntry& entry) {
 121   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 122
 123   using base::StringAppendF;
 124
 125   std::string out;
 126   StringAppendF(&out, "%s\n", path.AsUTF8Unsafe().c_str());
 127   StringAppendF(&out, "  title: %s\n", entry.title().c_str());
 128   StringAppendF(&out, "  local_id: %s\n", entry.local_id().c_str());
 129   StringAppendF(&out, "  resource_id: %s\n", entry.resource_id().c_str());
 130   StringAppendF(&out, "  parent_local_id: %s\n",
 131                 entry.parent_local_id().c_str());
 132   StringAppendF(&out, "  shared: %s\n", entry.shared() ? "true" : "false");
 133   StringAppendF(&out, "  shared_with_me: %s\n",
 134                 entry.shared_with_me() ? "true" : "false");
 135
 136   const drive::PlatformFileInfoProto& file_info = entry.file_info();
 137   StringAppendF(&out, "  file_info\n");
 138   StringAppendF(&out, "    size: %" PRId64 "\n", file_info.size());
 139   StringAppendF(&out, "    is_directory: %d\n", file_info.is_directory());
 140   StringAppendF(&out, "    is_symbolic_link: %d\n",
 141                 file_info.is_symbolic_link());
 142
 143   const base::Time last_modified = base::Time::FromInternalValue(
 144       file_info.last_modified());
 145   const base::Time last_accessed = base::Time::FromInternalValue(
 146       file_info.last_accessed());
 147   const base::Time creation_time = base::Time::FromInternalValue(
 148       file_info.creation_time());
 149   StringAppendF(&out, "    last_modified: %s\n",
 150                 google_apis::util::FormatTimeAsString(last_modified).c_str());
 151   StringAppendF(&out, "    last_accessed: %s\n",
 152                 google_apis::util::FormatTimeAsString(last_accessed).c_str());
 153   StringAppendF(&out, "    creation_time: %s\n",
 154                 google_apis::util::FormatTimeAsString(creation_time).c_str());
 155
 156   if (entry.has_file_specific_info()) {
 157     const drive::FileSpecificInfo& file_specific_info =
 158         entry.file_specific_info();
 159     StringAppendF(&out, "    alternate_url: %s\n",
 160                   file_specific_info.alternate_url().c_str());
 161     StringAppendF(&out, "    content_mime_type: %s\n",
 162                   file_specific_info.content_mime_type().c_str());
 163     StringAppendF(&out, "    file_md5: %s\n",
 164                   file_specific_info.md5().c_str());
 165     StringAppendF(&out, "    document_extension: %s\n",
 166                   file_specific_info.document_extension().c_str());
 167     StringAppendF(&out, "    is_hosted_document: %d\n",
 168                   file_specific_info.is_hosted_document());
 169   }
 170
 171   if (entry.has_directory_specific_info()) {
 172     StringAppendF(&out, "  directory_info\n");
 173     const drive::DirectorySpecificInfo& directory_specific_info =
 174         entry.directory_specific_info();
 175     StringAppendF(&out, "    changestamp: %" PRId64 "\n",
 176                   directory_specific_info.changestamp());
 177   }
 178
 179   return out;
 180 }
 181
 182 std::string SeverityToString(logging::LogSeverity severity) {
 183   switch (severity) {
 184     case logging::LOG_INFO:
 185       return "info";
 186     case logging::LOG_WARNING:
 187       return "warning";
 188     case logging::LOG_ERROR:
 189       return "error";
 190     default:  // Treat all other higher severities as ERROR.
 191       return "error";
 192   }
 193 }
 194
 195 // Appends {'key': key, 'value': value} dictionary to the |list|.
 196 void AppendKeyValue(base::ListValue* list,
 197                     const std::string& key,
 198                     const std::string& value) {
 199   base::DictionaryValue* dict = new base::DictionaryValue;
 200   dict->SetString("key", key);
 201   dict->SetString("value", value);
 202   list->Append(dict);
 203 }
 204
 205 // Class to handle messages from chrome://drive-internals.
 206 class DriveInternalsWebUIHandler : public content::WebUIMessageHandler {
 207  public:
 208   DriveInternalsWebUIHandler()
 209       : last_sent_event_id_(-1),
 210         weak_ptr_factory_(this) {
 211   }
 212
 213   ~DriveInternalsWebUIHandler() override {}
 214
 215  private:
 216   // WebUIMessageHandler override.
 217   void RegisterMessages() override;
 218
 219   // Returns a DriveIntegrationService.
 220   drive::DriveIntegrationService* GetIntegrationService();
 221
 222   // Returns a DriveService instance.
 223   drive::DriveServiceInterface* GetDriveService();
 224
 225   // Returns a DebugInfoCollector instance.
 226   drive::DebugInfoCollector* GetDebugInfoCollector();
 227
 228   // Called when the page is first loaded.
 229   void OnPageLoaded(const base::ListValue* args);
 230
 231   // Updates respective sections.
 232   void UpdateDriveRelatedPreferencesSection();
 233   void UpdateConnectionStatusSection(
 234       drive::DriveServiceInterface* drive_service);
 235   void UpdateAboutResourceSection(
 236       drive::DriveServiceInterface* drive_service);
 237   void UpdateAppListSection(
 238       drive::DriveServiceInterface* drive_service);
 239   void UpdateLocalMetadataSection(
 240       drive::DebugInfoCollector* debug_info_collector);
 241   void UpdateDeltaUpdateStatusSection(
 242       drive::DebugInfoCollector* debug_info_collector);
 243   void UpdateInFlightOperationsSection(drive::JobListInterface* job_list);
 244   void UpdateGCacheContentsSection();
 245   void UpdateFileSystemContentsSection();
 246   void UpdateLocalStorageUsageSection();
 247   void UpdateCacheContentsSection(
 248       drive::DebugInfoCollector* debug_info_collector);
 249   void UpdateEventLogSection();
 250   void UpdatePathConfigurationsSection();
 251
 252   // Called when GetGCacheContents() is complete.
 253   void OnGetGCacheContents(base::ListValue* gcache_contents,
 254                            base::DictionaryValue* cache_summary);
 255
 256   // Called when GetResourceEntryByPath() is complete.
 257   void OnGetResourceEntryByPath(const base::FilePath& path,
 258                                 drive::FileError error,
 259                                 scoped_ptr<drive::ResourceEntry> entry);
 260
 261   // Called when ReadDirectoryByPath() is complete.
 262   void OnReadDirectoryByPath(const base::FilePath& parent_path,
 263                              drive::FileError error,
 264                              scoped_ptr<drive::ResourceEntryVector> entries);
 265
 266   // Called as the iterator for DebugInfoCollector::IterateFileCache().
 267   void UpdateCacheEntry(const std::string& local_id,
 268                         const drive::FileCacheEntry& cache_entry);
 269
 270   // Called when GetFreeDiskSpace() is complete.
 271   void OnGetFreeDiskSpace(base::DictionaryValue* local_storage_summary);
 272
 273   // Called when GetAboutResource() call to DriveService is complete.
 274   void OnGetAboutResource(
 275       google_apis::DriveApiErrorCode status,
 276       scoped_ptr<google_apis::AboutResource> about_resource);
 277
 278   // Called when GetAppList() call to DriveService is complete.
 279   void OnGetAppList(
 280       google_apis::DriveApiErrorCode status,
 281       scoped_ptr<google_apis::AppList> app_list);
 282
 283   // Callback for DebugInfoCollector::GetMetadata for local update.
 284   void OnGetFilesystemMetadataForLocal(
 285       const drive::FileSystemMetadata& metadata);
 286
 287   // Callback for DebugInfoCollector::GetMetadata for delta update.
 288   void OnGetFilesystemMetadataForDeltaUpdate(
 289       const drive::FileSystemMetadata& metadata);
 290
 291   // Called when the page requests periodic update.
 292   void OnPeriodicUpdate(const base::ListValue* args);
 293
 294   // Called when the corresponding button on the page is pressed.
 295   void ClearAccessToken(const base::ListValue* args);
 296   void ClearRefreshToken(const base::ListValue* args);
 297   void ResetDriveFileSystem(const base::ListValue* args);
 298   void ListFileEntries(const base::ListValue* args);
 299
 300   // Called after file system reset for ResetDriveFileSystem is done.
 301   void ResetFinished(bool success);
 302
 303   // The last event sent to the JavaScript side.
 304   int last_sent_event_id_;
 305
 306   base::WeakPtrFactory<DriveInternalsWebUIHandler> weak_ptr_factory_;
 307   DISALLOW_COPY_AND_ASSIGN(DriveInternalsWebUIHandler);
 308 };
 309
 310 void DriveInternalsWebUIHandler::OnGetAboutResource(
 311     google_apis::DriveApiErrorCode status,
 312     scoped_ptr<google_apis::AboutResource> parsed_about_resource) {
 313   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 314
 315   if (status != google_apis::HTTP_SUCCESS) {
 316     LOG(ERROR) << "Failed to get about resource";
 317     return;
 318   }
 319   DCHECK(parsed_about_resource);
 320
 321   base::DictionaryValue about_resource;
 322   about_resource.SetDouble("account-quota-total",
 323                            parsed_about_resource->quota_bytes_total());
 324   about_resource.SetDouble("account-quota-used",
 325                            parsed_about_resource->quota_bytes_used_aggregate());
 326   about_resource.SetDouble("account-largest-changestamp-remote",
 327                            parsed_about_resource->largest_change_id());
 328   about_resource.SetString("root-resource-id",
 329                            parsed_about_resource->root_folder_id());
 330
 331   web_ui()->CallJavascriptFunction("updateAboutResource", about_resource);
 332 }
 333
 334 void DriveInternalsWebUIHandler::OnGetAppList(
 335     google_apis::DriveApiErrorCode status,
 336     scoped_ptr<google_apis::AppList> parsed_app_list) {
 337   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 338
 339   if (status != google_apis::HTTP_SUCCESS) {
 340     LOG(ERROR) << "Failed to get app list";
 341     return;
 342   }
 343   DCHECK(parsed_app_list);
 344
 345   base::DictionaryValue app_list;
 346   app_list.SetString("etag", parsed_app_list->etag());
 347
 348   base::ListValue* items = new base::ListValue();
 349   for (size_t i = 0; i < parsed_app_list->items().size(); ++i) {
 350     const google_apis::AppResource* app = parsed_app_list->items()[i];
 351     base::DictionaryValue* app_data = new base::DictionaryValue();
 352     app_data->SetString("name", app->name());
 353     app_data->SetString("application_id", app->application_id());
 354     app_data->SetString("object_type", app->object_type());
 355     app_data->SetBoolean("supports_create", app->supports_create());
 356
 357     items->Append(app_data);
 358   }
 359   app_list.Set("items", items);
 360
 361   web_ui()->CallJavascriptFunction("updateAppList", app_list);
 362 }
 363
 364 void DriveInternalsWebUIHandler::RegisterMessages() {
 365   web_ui()->RegisterMessageCallback(
 366       "pageLoaded",
 367       base::Bind(&DriveInternalsWebUIHandler::OnPageLoaded,
 368                  weak_ptr_factory_.GetWeakPtr()));
 369   web_ui()->RegisterMessageCallback(
 370       "periodicUpdate",
 371       base::Bind(&DriveInternalsWebUIHandler::OnPeriodicUpdate,
 372                  weak_ptr_factory_.GetWeakPtr()));
 373   web_ui()->RegisterMessageCallback(
 374       "clearAccessToken",
 375       base::Bind(&DriveInternalsWebUIHandler::ClearAccessToken,
 376                  weak_ptr_factory_.GetWeakPtr()));
 377   web_ui()->RegisterMessageCallback(
 378       "clearRefreshToken",
 379       base::Bind(&DriveInternalsWebUIHandler::ClearRefreshToken,
 380                  weak_ptr_factory_.GetWeakPtr()));
 381   web_ui()->RegisterMessageCallback(
 382       "resetDriveFileSystem",
 383       base::Bind(&DriveInternalsWebUIHandler::ResetDriveFileSystem,
 384                  weak_ptr_factory_.GetWeakPtr()));
 385   web_ui()->RegisterMessageCallback(
 386       "listFileEntries",
 387       base::Bind(&DriveInternalsWebUIHandler::ListFileEntries,
 388                  weak_ptr_factory_.GetWeakPtr()));
 389 }
 390
 391 drive::DriveIntegrationService*
 392 DriveInternalsWebUIHandler::GetIntegrationService() {
 393   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 394
 395   Profile* profile = Profile::FromWebUI(web_ui());
 396   drive::DriveIntegrationService* service =
 397       drive::DriveIntegrationServiceFactory::FindForProfile(profile);
 398   if (!service || !service->is_enabled())
 399     return NULL;
 400   return service;
 401 }
 402
 403 drive::DriveServiceInterface* DriveInternalsWebUIHandler::GetDriveService() {
 404   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 405
 406   Profile* profile = Profile::FromWebUI(web_ui());
 407   return drive::util::GetDriveServiceByProfile(profile);
 408 }
 409
 410 drive::DebugInfoCollector* DriveInternalsWebUIHandler::GetDebugInfoCollector() {
 411   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 412
 413   drive::DriveIntegrationService* integration_service = GetIntegrationService();
 414   return integration_service ?
 415       integration_service->debug_info_collector() : NULL;
 416 }
 417
 418 void DriveInternalsWebUIHandler::OnPageLoaded(const base::ListValue* args) {
 419   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 420
 421   drive::DriveIntegrationService* integration_service =
 422       GetIntegrationService();
 423   // |integration_service| may be NULL in the guest/incognito mode.
 424   if (!integration_service)
 425     return;
 426
 427   drive::DriveServiceInterface* drive_service =
 428       integration_service->drive_service();
 429   DCHECK(drive_service);
 430   drive::DebugInfoCollector* debug_info_collector =
 431       integration_service->debug_info_collector();
 432   DCHECK(debug_info_collector);
 433
 434   UpdateDriveRelatedPreferencesSection();
 435   UpdateConnectionStatusSection(drive_service);
 436   UpdateAboutResourceSection(drive_service);
 437   UpdateAppListSection(drive_service);
 438   UpdateLocalMetadataSection(debug_info_collector);
 439   UpdateDeltaUpdateStatusSection(debug_info_collector);
 440   UpdateInFlightOperationsSection(integration_service->job_list());
 441   UpdateGCacheContentsSection();
 442   UpdateCacheContentsSection(debug_info_collector);
 443   UpdateLocalStorageUsageSection();
 444   UpdatePathConfigurationsSection();
 445
 446   // When the drive-internals page is reloaded by the reload key, the page
 447   // content is recreated, but this WebUI object is not (instead, OnPageLoaded
 448   // is called again). In that case, we have to forget the last sent ID here,
 449   // and resent whole the logs to the page.
 450   last_sent_event_id_ = -1;
 451   UpdateEventLogSection();
 452 }
 453
 454 void DriveInternalsWebUIHandler::UpdateDriveRelatedPreferencesSection() {
 455   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 456
 457   const char* kDriveRelatedPreferences[] = {
 458       drive::prefs::kDisableDrive,
 459       drive::prefs::kDisableDriveOverCellular,
 460       drive::prefs::kDisableDriveHostedFiles,
 461   };
 462
 463   Profile* profile = Profile::FromWebUI(web_ui());
 464   PrefService* pref_service = profile->GetPrefs();
 465
 466   base::ListValue preferences;
 467   for (size_t i = 0; i < arraysize(kDriveRelatedPreferences); ++i) {
 468     const std::string key = kDriveRelatedPreferences[i];
 469     // As of now, all preferences are boolean.
 470     const std::string value =
 471         (pref_service->GetBoolean(key.c_str()) ? "true" : "false");
 472     AppendKeyValue(&preferences, key, value);
 473   }
 474
 475   web_ui()->CallJavascriptFunction("updateDriveRelatedPreferences",
 476                                    preferences);
 477 }
 478
 479 void DriveInternalsWebUIHandler::UpdateConnectionStatusSection(
 480     drive::DriveServiceInterface* drive_service) {
 481   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 482   DCHECK(drive_service);
 483
 484   std::string status;
 485   switch (drive::util::GetDriveConnectionStatus(Profile::FromWebUI(web_ui()))) {
 486     case drive::util::DRIVE_DISCONNECTED_NOSERVICE:
 487       status = "no service";
 488       break;
 489     case drive::util::DRIVE_DISCONNECTED_NONETWORK:
 490       status = "no network";
 491       break;
 492     case drive::util::DRIVE_DISCONNECTED_NOTREADY:
 493       status = "not ready";
 494       break;
 495     case drive::util::DRIVE_CONNECTED_METERED:
 496       status = "metered";
 497       break;
 498     case drive::util::DRIVE_CONNECTED:
 499       status = "connected";
 500       break;
 501   }
 502
 503   base::DictionaryValue connection_status;
 504   connection_status.SetString("status", status);
 505   connection_status.SetBoolean("has-refresh-token",
 506                                drive_service->HasRefreshToken());
 507   connection_status.SetBoolean("has-access-token",
 508                                drive_service->HasAccessToken());
 509   web_ui()->CallJavascriptFunction("updateConnectionStatus", connection_status);
 510 }
 511
 512 void DriveInternalsWebUIHandler::UpdateAboutResourceSection(
 513     drive::DriveServiceInterface* drive_service) {
 514   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 515   DCHECK(drive_service);
 516
 517   drive_service->GetAboutResource(
 518       base::Bind(&DriveInternalsWebUIHandler::OnGetAboutResource,
 519                  weak_ptr_factory_.GetWeakPtr()));
 520 }
 521
 522 void DriveInternalsWebUIHandler::UpdateAppListSection(
 523     drive::DriveServiceInterface* drive_service) {
 524   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 525   DCHECK(drive_service);
 526
 527   drive_service->GetAppList(
 528       base::Bind(&DriveInternalsWebUIHandler::OnGetAppList,
 529                  weak_ptr_factory_.GetWeakPtr()));
 530 }
 531
 532 void DriveInternalsWebUIHandler::UpdateLocalMetadataSection(
 533     drive::DebugInfoCollector* debug_info_collector) {
 534   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 535   DCHECK(debug_info_collector);
 536
 537   debug_info_collector->GetMetadata(
 538       base::Bind(&DriveInternalsWebUIHandler::OnGetFilesystemMetadataForLocal,
 539                  weak_ptr_factory_.GetWeakPtr()));
 540 }
 541
 542 void DriveInternalsWebUIHandler::OnGetFilesystemMetadataForLocal(
 543     const drive::FileSystemMetadata& metadata) {
 544   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 545
 546   base::DictionaryValue local_metadata;
 547   local_metadata.SetDouble("account-largest-changestamp-local",
 548                            metadata.largest_changestamp);
 549   local_metadata.SetBoolean("account-metadata-refreshing", metadata.refreshing);
 550   web_ui()->CallJavascriptFunction("updateLocalMetadata", local_metadata);
 551 }
 552
 553 void DriveInternalsWebUIHandler::ClearAccessToken(const base::ListValue* args) {
 554   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 555
 556   drive::DriveServiceInterface* drive_service = GetDriveService();
 557   if (drive_service)
 558     drive_service->ClearAccessToken();
 559 }
 560
 561 void DriveInternalsWebUIHandler::ClearRefreshToken(
 562     const base::ListValue* args) {
 563   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 564
 565   drive::DriveServiceInterface* drive_service = GetDriveService();
 566   if (drive_service)
 567     drive_service->ClearRefreshToken();
 568 }
 569
 570 void DriveInternalsWebUIHandler::ResetDriveFileSystem(
 571     const base::ListValue* args) {
 572   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 573
 574   drive::DriveIntegrationService* integration_service =
 575       GetIntegrationService();
 576   if (integration_service) {
 577     integration_service->ClearCacheAndRemountFileSystem(
 578         base::Bind(&DriveInternalsWebUIHandler::ResetFinished,
 579                    weak_ptr_factory_.GetWeakPtr()));
 580   }
 581 }
 582
 583 void DriveInternalsWebUIHandler::ResetFinished(bool success) {
 584   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 585
 586   web_ui()->CallJavascriptFunction("updateResetStatus",
 587                                    base::FundamentalValue(success));
 588 }
 589
 590 void DriveInternalsWebUIHandler::ListFileEntries(const base::ListValue* args) {
 591   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 592
 593   UpdateFileSystemContentsSection();
 594 }
 595
 596 void DriveInternalsWebUIHandler::UpdateDeltaUpdateStatusSection(
 597     drive::DebugInfoCollector* debug_info_collector) {
 598   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 599   DCHECK(debug_info_collector);
 600
 601   debug_info_collector->GetMetadata(
 602       base::Bind(
 603           &DriveInternalsWebUIHandler::OnGetFilesystemMetadataForDeltaUpdate,
 604           weak_ptr_factory_.GetWeakPtr()));
 605 }
 606
 607 void DriveInternalsWebUIHandler::OnGetFilesystemMetadataForDeltaUpdate(
 608     const drive::FileSystemMetadata& metadata) {
 609   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 610
 611   Profile* profile = Profile::FromWebUI(web_ui());
 612   drive::DriveNotificationManager* drive_notification_manager =
 613       drive::DriveNotificationManagerFactory::FindForBrowserContext(profile);
 614   if (!drive_notification_manager)
 615     return;
 616
 617   base::DictionaryValue delta_update_status;
 618   delta_update_status.SetBoolean(
 619       "push-notification-enabled",
 620       drive_notification_manager->push_notification_enabled());
 621   delta_update_status.SetString(
 622       "last-update-check-time",
 623       google_apis::util::FormatTimeAsStringLocaltime(
 624           metadata.last_update_check_time));
 625   delta_update_status.SetString(
 626       "last-update-check-error",
 627       drive::FileErrorToString(metadata.last_update_check_error));
 628
 629   web_ui()->CallJavascriptFunction("updateDeltaUpdateStatus",
 630                                    delta_update_status);
 631 }
 632
 633 void DriveInternalsWebUIHandler::UpdateInFlightOperationsSection(
 634     drive::JobListInterface* job_list) {
 635   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 636   DCHECK(job_list);
 637
 638   std::vector<drive::JobInfo> info_list = job_list->GetJobInfoList();
 639
 640   base::ListValue in_flight_operations;
 641   for (size_t i = 0; i < info_list.size(); ++i) {
 642     const drive::JobInfo& info = info_list[i];
 643
 644     base::DictionaryValue* dict = new base::DictionaryValue;
 645     dict->SetInteger("id", info.job_id);
 646     dict->SetString("type", drive::JobTypeToString(info.job_type));
 647     dict->SetString("file_path", info.file_path.AsUTF8Unsafe());
 648     dict->SetString("state", drive::JobStateToString(info.state));
 649     dict->SetDouble("progress_current", info.num_completed_bytes);
 650     dict->SetDouble("progress_total", info.num_total_bytes);
 651     in_flight_operations.Append(dict);
 652   }
 653   web_ui()->CallJavascriptFunction("updateInFlightOperations",
 654                                    in_flight_operations);
 655 }
 656
 657 void DriveInternalsWebUIHandler::UpdateGCacheContentsSection() {
 658   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 659
 660   // Start updating the GCache contents section.
 661   Profile* profile = Profile::FromWebUI(web_ui());
 662   const base::FilePath root_path = drive::util::GetCacheRootPath(profile);
 663   base::ListValue* gcache_contents = new base::ListValue;
 664   base::DictionaryValue* gcache_summary = new base::DictionaryValue;
 665   BrowserThread::PostBlockingPoolTaskAndReply(
 666       FROM_HERE,
 667       base::Bind(&GetGCacheContents,
 668                  root_path,
 669                  gcache_contents,
 670                  gcache_summary),
 671       base::Bind(&DriveInternalsWebUIHandler::OnGetGCacheContents,
 672                  weak_ptr_factory_.GetWeakPtr(),
 673                  base::Owned(gcache_contents),
 674                  base::Owned(gcache_summary)));
 675 }
 676
 677 void DriveInternalsWebUIHandler::UpdateFileSystemContentsSection() {
 678   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 679
 680   drive::DebugInfoCollector* debug_info_collector = GetDebugInfoCollector();
 681   if (!debug_info_collector)
 682     return;
 683
 684   // Start rendering the file system tree as text.
 685   const base::FilePath root_path = drive::util::GetDriveGrandRootPath();
 686
 687   debug_info_collector->GetResourceEntry(
 688       root_path,
 689       base::Bind(&DriveInternalsWebUIHandler::OnGetResourceEntryByPath,
 690                  weak_ptr_factory_.GetWeakPtr(),
 691                  root_path));
 692
 693   debug_info_collector->ReadDirectory(
 694       root_path,
 695       base::Bind(&DriveInternalsWebUIHandler::OnReadDirectoryByPath,
 696                  weak_ptr_factory_.GetWeakPtr(),
 697                  root_path));
 698 }
 699
 700 void DriveInternalsWebUIHandler::UpdateLocalStorageUsageSection() {
 701   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 702
 703   // Propagate the amount of local free space in bytes.
 704   base::FilePath home_path;
 705   if (PathService::Get(base::DIR_HOME, &home_path)) {
 706     base::DictionaryValue* local_storage_summary = new base::DictionaryValue;
 707     BrowserThread::PostBlockingPoolTaskAndReply(
 708         FROM_HERE,
 709         base::Bind(&GetFreeDiskSpace, home_path, local_storage_summary),
 710         base::Bind(&DriveInternalsWebUIHandler::OnGetFreeDiskSpace,
 711                    weak_ptr_factory_.GetWeakPtr(),
 712                    base::Owned(local_storage_summary)));
 713   } else {
 714     LOG(ERROR) << "Home directory not found";
 715   }
 716 }
 717
 718 void DriveInternalsWebUIHandler::UpdateCacheContentsSection(
 719     drive::DebugInfoCollector* debug_info_collector) {
 720   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 721   DCHECK(debug_info_collector);
 722
 723   debug_info_collector->IterateFileCache(
 724       base::Bind(&DriveInternalsWebUIHandler::UpdateCacheEntry,
 725                  weak_ptr_factory_.GetWeakPtr()),
 726       base::Bind(&base::DoNothing));
 727 }
 728
 729 void DriveInternalsWebUIHandler::UpdateEventLogSection() {
 730   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 731
 732   drive::DriveIntegrationService* integration_service =
 733       GetIntegrationService();
 734   if (!integration_service)
 735     return;
 736
 737   const std::vector<drive::EventLogger::Event> log =
 738       integration_service->event_logger()->GetHistory();
 739
 740   base::ListValue list;
 741   for (size_t i = 0; i < log.size(); ++i) {
 742     // Skip events which were already sent.
 743     if (log[i].id <= last_sent_event_id_)
 744       continue;
 745
 746     std::string severity = SeverityToString(log[i].severity);
 747
 748     base::DictionaryValue* dict = new base::DictionaryValue;
 749     dict->SetString("key",
 750         google_apis::util::FormatTimeAsStringLocaltime(log[i].when));
 751     dict->SetString("value", "[" + severity + "] " + log[i].what);
 752     dict->SetString("class", "log-" + severity);
 753     list.Append(dict);
 754     last_sent_event_id_ = log[i].id;
 755   }
 756   if (!list.empty())
 757     web_ui()->CallJavascriptFunction("updateEventLog", list);
 758 }
 759
 760 void DriveInternalsWebUIHandler::UpdatePathConfigurationsSection() {
 761   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 762
 763   Profile* const profile = Profile::FromWebUI(web_ui());
 764
 765   base::ListValue paths;
 766
 767   AppendKeyValue(
 768       &paths, "Downloads",
 769       file_manager::util::GetDownloadsFolderForProfile(profile).AsUTF8Unsafe());
 770   AppendKeyValue(
 771       &paths, "Drive",
 772       drive::util::GetDriveMountPointPath(profile).AsUTF8Unsafe());
 773
 774   const char* kPathPreferences[] = {
 775     prefs::kSelectFileLastDirectory,
 776     prefs::kSaveFileDefaultDirectory,
 777     prefs::kDownloadDefaultDirectory,
 778   };
 779   for (size_t i = 0; i < arraysize(kPathPreferences); ++i) {
 780     const char* const key = kPathPreferences[i];
 781     AppendKeyValue(&paths, key,
 782                    profile->GetPrefs()->GetFilePath(key).AsUTF8Unsafe());
 783   }
 784
 785   web_ui()->CallJavascriptFunction("updatePathConfigurations", paths);
 786 }
 787
 788 void DriveInternalsWebUIHandler::OnGetGCacheContents(
 789     base::ListValue* gcache_contents,
 790     base::DictionaryValue* gcache_summary) {
 791   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 792   DCHECK(gcache_contents);
 793   DCHECK(gcache_summary);
 794
 795   web_ui()->CallJavascriptFunction("updateGCacheContents",
 796                                    *gcache_contents,
 797                                    *gcache_summary);
 798 }
 799
 800 void DriveInternalsWebUIHandler::OnGetResourceEntryByPath(
 801     const base::FilePath& path,
 802     drive::FileError error,
 803     scoped_ptr<drive::ResourceEntry> entry) {
 804   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 805
 806   if (error == drive::FILE_ERROR_OK) {
 807     DCHECK(entry.get());
 808     const base::StringValue value(FormatEntry(path, *entry) + "\n");
 809     web_ui()->CallJavascriptFunction("updateFileSystemContents", value);
 810   }
 811 }
 812
 813 void DriveInternalsWebUIHandler::OnReadDirectoryByPath(
 814     const base::FilePath& parent_path,
 815     drive::FileError error,
 816     scoped_ptr<drive::ResourceEntryVector> entries) {
 817   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 818
 819   if (error == drive::FILE_ERROR_OK) {
 820     DCHECK(entries.get());
 821
 822     drive::DebugInfoCollector* debug_info_collector = GetDebugInfoCollector();
 823     std::string file_system_as_text;
 824     for (size_t i = 0; i < entries->size(); ++i) {
 825       const drive::ResourceEntry& entry = (*entries)[i];
 826       const base::FilePath current_path = parent_path.Append(
 827           base::FilePath::FromUTF8Unsafe(entry.base_name()));
 828
 829       file_system_as_text.append(FormatEntry(current_path, entry) + "\n");
 830
 831       if (entry.file_info().is_directory()) {
 832         debug_info_collector->ReadDirectory(
 833             current_path,
 834             base::Bind(&DriveInternalsWebUIHandler::OnReadDirectoryByPath,
 835                        weak_ptr_factory_.GetWeakPtr(),
 836                        current_path));
 837       }
 838     }
 839
 840     // There may be pending ReadDirectoryByPath() calls, but we can update
 841     // the page with what we have now. This results in progressive
 842     // updates, which is good for a large file system.
 843     const base::StringValue value(file_system_as_text);
 844     web_ui()->CallJavascriptFunction("updateFileSystemContents", value);
 845   }
 846 }
 847
 848 void DriveInternalsWebUIHandler::UpdateCacheEntry(
 849     const std::string& local_id,
 850     const drive::FileCacheEntry& cache_entry) {
 851   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 852
 853   // Convert |cache_entry| into a dictionary.
 854   base::DictionaryValue value;
 855   value.SetString("local_id", local_id);
 856   value.SetString("md5", cache_entry.md5());
 857   value.SetBoolean("is_present", cache_entry.is_present());
 858   value.SetBoolean("is_pinned", cache_entry.is_pinned());
 859   value.SetBoolean("is_dirty", cache_entry.is_dirty());
 860
 861   web_ui()->CallJavascriptFunction("updateCacheContents", value);
 862 }
 863
 864 void DriveInternalsWebUIHandler::OnGetFreeDiskSpace(
 865     base::DictionaryValue* local_storage_summary) {
 866   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 867   DCHECK(local_storage_summary);
 868
 869   web_ui()->CallJavascriptFunction(
 870       "updateLocalStorageUsage", *local_storage_summary);
 871 }
 872
 873 void DriveInternalsWebUIHandler::OnPeriodicUpdate(const base::ListValue* args) {
 874   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 875
 876   drive::DriveIntegrationService* integration_service =
 877       GetIntegrationService();
 878   // |integration_service| may be NULL in the guest/incognito mode.
 879   if (!integration_service)
 880     return;
 881
 882   UpdateInFlightOperationsSection(integration_service->job_list());
 883   UpdateEventLogSection();
 884 }
 885
 886 }  // namespace
 887
 888 DriveInternalsUI::DriveInternalsUI(content::WebUI* web_ui)
 889     : WebUIController(web_ui) {
 890   web_ui->AddMessageHandler(new DriveInternalsWebUIHandler());
 891
 892   content::WebUIDataSource* source =
 893       content::WebUIDataSource::Create(chrome::kChromeUIDriveInternalsHost);
 894   source->AddResourcePath("drive_internals.css", IDR_DRIVE_INTERNALS_CSS);
 895   source->AddResourcePath("drive_internals.js", IDR_DRIVE_INTERNALS_JS);
 896   source->SetDefaultResource(IDR_DRIVE_INTERNALS_HTML);
 897
 898   Profile* profile = Profile::FromWebUI(web_ui);
 899   content::WebUIDataSource::Add(profile, source);
 900 }
 901
 902 }  // namespace chromeos