chrome/browser/chromeos/chrome_browser_main_chromeos.cc

   1 // Copyright (c) 2013 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/chromeos/chrome_browser_main_chromeos.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "ash/ash_switches.h"
  11 #include "ash/shell.h"
  12 #include "base/bind.h"
  13 #include "base/callback.h"
  14 #include "base/command_line.h"
  15 #include "base/files/file_util.h"
  16 #include "base/lazy_instance.h"
  17 #include "base/linux_util.h"
  18 #include "base/path_service.h"
  19 #include "base/prefs/pref_service.h"
  20 #include "base/strings/string_number_conversions.h"
  21 #include "base/strings/string_split.h"
  22 #include "base/sys_info.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/browser_process_platform_part_chromeos.h"
  25 #include "chrome/browser/chrome_notification_types.h"
  26 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  27 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
  28 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
  29 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
  30 #include "chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h"
  31 #include "chrome/browser/chromeos/boot_times_loader.h"
  32 #include "chrome/browser/chromeos/dbus/cros_dbus_service.h"
  33 #include "chrome/browser/chromeos/device/input_service_proxy.h"
  34 #include "chrome/browser/chromeos/events/event_rewriter.h"
  35 #include "chrome/browser/chromeos/events/event_rewriter_controller.h"
  36 #include "chrome/browser/chromeos/events/keyboard_driven_event_rewriter.h"
  37 #include "chrome/browser/chromeos/extensions/default_app_order.h"
  38 #include "chrome/browser/chromeos/extensions/extension_system_event_observer.h"
  39 #include "chrome/browser/chromeos/external_metrics.h"
  40 #include "chrome/browser/chromeos/imageburner/burn_manager.h"
  41 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
  42 #include "chrome/browser/chromeos/input_method/input_method_util.h"
  43 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout.h"
  44 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.h"
  45 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
  46 #include "chrome/browser/chromeos/language_preferences.h"
  47 #include "chrome/browser/chromeos/login/helper.h"
  48 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
  49 #include "chrome/browser/chromeos/login/login_wizard.h"
  50 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
  51 #include "chrome/browser/chromeos/login/startup_utils.h"
  52 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
  53 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
  54 #include "chrome/browser/chromeos/login/wizard_controller.h"
  55 #include "chrome/browser/chromeos/memory/oom_priority_manager.h"
  56 #include "chrome/browser/chromeos/net/network_portal_detector_impl.h"
  57 #include "chrome/browser/chromeos/options/cert_library.h"
  58 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos_factory.h"
  59 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  60 #include "chrome/browser/chromeos/policy/device_local_account.h"
  61 #include "chrome/browser/chromeos/power/freezer_cgroup_process_manager.h"
  62 #include "chrome/browser/chromeos/power/idle_action_warning_observer.h"
  63 #include "chrome/browser/chromeos/power/light_bar.h"
  64 #include "chrome/browser/chromeos/power/peripheral_battery_observer.h"
  65 #include "chrome/browser/chromeos/power/power_button_observer.h"
  66 #include "chrome/browser/chromeos/power/power_data_collector.h"
  67 #include "chrome/browser/chromeos/power/power_prefs.h"
  68 #include "chrome/browser/chromeos/power/renderer_freezer.h"
  69 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  70 #include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
  71 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  72 #include "chrome/browser/chromeos/status/data_promo_notification.h"
  73 #include "chrome/browser/chromeos/system/input_device_settings.h"
  74 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
  75 #include "chrome/browser/defaults.h"
  76 #include "chrome/browser/lifetime/application_lifetime.h"
  77 #include "chrome/browser/net/chrome_network_delegate.h"
  78 #include "chrome/browser/profiles/profile.h"
  79 #include "chrome/browser/profiles/profile_manager.h"
  80 #include "chrome/browser/rlz/rlz.h"
  81 #include "chrome/common/chrome_constants.h"
  82 #include "chrome/common/chrome_paths.h"
  83 #include "chrome/common/chrome_switches.h"
  84 #include "chrome/common/chrome_version_info.h"
  85 #include "chrome/common/logging_chrome.h"
  86 #include "chrome/common/pref_names.h"
  87 #include "chromeos/audio/audio_devices_pref_handler.h"
  88 #include "chromeos/audio/cras_audio_handler.h"
  89 #include "chromeos/cert_loader.h"
  90 #include "chromeos/chromeos_paths.h"
  91 #include "chromeos/chromeos_switches.h"
  92 #include "chromeos/cryptohome/async_method_caller.h"
  93 #include "chromeos/cryptohome/homedir_methods.h"
  94 #include "chromeos/cryptohome/system_salt_getter.h"
  95 #include "chromeos/dbus/dbus_thread_manager.h"
  96 #include "chromeos/dbus/session_manager_client.h"
  97 #include "chromeos/disks/disk_mount_manager.h"
  98 #include "chromeos/ime/ime_keyboard.h"
  99 #include "chromeos/ime/input_method_manager.h"
 100 #include "chromeos/login/login_state.h"
 101 #include "chromeos/login/user_names.h"
 102 #include "chromeos/login_event_recorder.h"
 103 #include "chromeos/network/network_change_notifier_chromeos.h"
 104 #include "chromeos/network/network_change_notifier_factory_chromeos.h"
 105 #include "chromeos/network/network_handler.h"
 106 #include "chromeos/system/statistics_provider.h"
 107 #include "chromeos/tpm_token_loader.h"
 108 #include "components/metrics/metrics_service.h"
 109 #include "components/ownership/owner_key_util.h"
 110 #include "components/session_manager/core/session_manager.h"
 111 #include "components/user_manager/user.h"
 112 #include "components/user_manager/user_manager.h"
 113 #include "content/public/browser/browser_thread.h"
 114 #include "content/public/browser/notification_service.h"
 115 #include "content/public/browser/power_save_blocker.h"
 116 #include "content/public/common/main_function_params.h"
 117 #include "media/audio/sounds/sounds_manager.h"
 118 #include "net/base/network_change_notifier.h"
 119 #include "net/url_request/url_request.h"
 120 #include "net/url_request/url_request_context_getter.h"
 121 #include "ui/base/touch/touch_device.h"
 122 #include "ui/events/event_utils.h"
 123
 124 // Exclude X11 dependents for ozone
 125 #if defined(USE_X11)
 126 #include "chrome/browser/chromeos/device_uma.h"
 127 #include "chrome/browser/chromeos/events/system_key_event_listener.h"
 128 #include "chrome/browser/chromeos/events/xinput_hierarchy_changed_event_listener.h"
 129 #endif
 130
 131 namespace chromeos {
 132
 133 namespace {
 134
 135 void ChromeOSVersionCallback(const std::string& version) {
 136   base::SetLinuxDistro(std::string("CrOS ") + version);
 137 }
 138
 139 bool ShouldAutoLaunchKioskApp(const base::CommandLine& command_line) {
 140   KioskAppManager* app_manager = KioskAppManager::Get();
 141   return command_line.HasSwitch(switches::kLoginManager) &&
 142       !command_line.HasSwitch(switches::kForceLoginManagerInTests) &&
 143       app_manager->IsAutoLaunchEnabled() &&
 144       KioskAppLaunchError::Get() == KioskAppLaunchError::NONE;
 145 }
 146
 147 }  // namespace
 148
 149 namespace internal {
 150
 151 // Wrapper class for initializing dbus related services and shutting them
 152 // down. This gets instantiated in a scoped_ptr so that shutdown methods in the
 153 // destructor will get called if and only if this has been instantiated.
 154 class DBusServices {
 155  public:
 156   explicit DBusServices(const content::MainFunctionParams& parameters) {
 157     // Initialize DBusThreadManager for the browser. This must be done after
 158     // the main message loop is started, as it uses the message loop.
 159     DBusThreadManager::Initialize();
 160     CrosDBusService::Initialize();
 161
 162     // Initialize PowerDataCollector after DBusThreadManager is initialized.
 163     PowerDataCollector::Initialize();
 164
 165     LoginState::Initialize();
 166     SystemSaltGetter::Initialize();
 167     TPMTokenLoader::Initialize();
 168     CertLoader::Initialize();
 169
 170     disks::DiskMountManager::Initialize();
 171     cryptohome::AsyncMethodCaller::Initialize();
 172     cryptohome::HomedirMethods::Initialize();
 173
 174     NetworkHandler::Initialize();
 175     CertLibrary::Initialize();
 176
 177     // Initialize the network change notifier for Chrome OS. The network
 178     // change notifier starts to monitor changes from the power manager and
 179     // the network manager.
 180     NetworkChangeNotifierFactoryChromeos::GetInstance()->Initialize();
 181
 182     // Likewise, initialize the upgrade detector for Chrome OS. The upgrade
 183     // detector starts to monitor changes from the update engine.
 184     UpgradeDetectorChromeos::GetInstance()->Init();
 185
 186     // Initialize the device settings service so that we'll take actions per
 187     // signals sent from the session manager. This needs to happen before
 188     // g_browser_process initializes BrowserPolicyConnector.
 189     DeviceSettingsService::Initialize();
 190     DeviceSettingsService::Get()->SetSessionManager(
 191         DBusThreadManager::Get()->GetSessionManagerClient(),
 192         OwnerSettingsServiceChromeOSFactory::GetInstance()->GetOwnerKeyUtil());
 193   }
 194
 195   ~DBusServices() {
 196     CertLibrary::Shutdown();
 197     NetworkHandler::Shutdown();
 198
 199     cryptohome::AsyncMethodCaller::Shutdown();
 200     disks::DiskMountManager::Shutdown();
 201
 202     SystemSaltGetter::Shutdown();
 203     LoginState::Shutdown();
 204     CertLoader::Shutdown();
 205     TPMTokenLoader::Shutdown();
 206
 207     CrosDBusService::Shutdown();
 208
 209     // Shutdown the PowerDataCollector before shutting down DBusThreadManager.
 210     PowerDataCollector::Shutdown();
 211
 212     // NOTE: This must only be called if Initialize() was called.
 213     DBusThreadManager::Shutdown();
 214   }
 215
 216  private:
 217
 218   DISALLOW_COPY_AND_ASSIGN(DBusServices);
 219 };
 220
 221 }  //  namespace internal
 222
 223 // ChromeBrowserMainPartsChromeos ----------------------------------------------
 224
 225 ChromeBrowserMainPartsChromeos::ChromeBrowserMainPartsChromeos(
 226     const content::MainFunctionParams& parameters)
 227     : ChromeBrowserMainPartsLinux(parameters) {
 228 }
 229
 230 ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
 231   if (KioskModeSettings::Get()->IsKioskModeEnabled())
 232     ShutdownKioskModeScreensaver();
 233
 234   // To be precise, logout (browser shutdown) is not yet done, but the
 235   // remaining work is negligible, hence we say LogoutDone here.
 236   BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone", false);
 237   BootTimesLoader::Get()->WriteLogoutTimes();
 238 }
 239
 240 // content::BrowserMainParts and ChromeBrowserMainExtraParts overrides ---------
 241
 242 void ChromeBrowserMainPartsChromeos::PreEarlyInitialization() {
 243   CommandLine* singleton_command_line = CommandLine::ForCurrentProcess();
 244
 245   if (parsed_command_line().HasSwitch(switches::kGuestSession)) {
 246     // Disable sync and extensions if we're in "browse without sign-in" mode.
 247     singleton_command_line->AppendSwitch(::switches::kDisableSync);
 248     singleton_command_line->AppendSwitch(::switches::kDisableExtensions);
 249     browser_defaults::bookmarks_enabled = false;
 250   }
 251
 252   // If we're not running on real Chrome OS hardware (or under VM), and are not
 253   // showing the login manager or attempting a command line login, login with a
 254   // stub user.
 255   if (!base::SysInfo::IsRunningOnChromeOS() &&
 256       !parsed_command_line().HasSwitch(switches::kLoginManager) &&
 257       !parsed_command_line().HasSwitch(switches::kLoginUser) &&
 258       !parsed_command_line().HasSwitch(switches::kGuestSession)) {
 259     singleton_command_line->AppendSwitchASCII(switches::kLoginUser,
 260                                               chromeos::login::kStubUser);
 261     if (!parsed_command_line().HasSwitch(switches::kLoginProfile)) {
 262       singleton_command_line->AppendSwitchASCII(switches::kLoginProfile,
 263                                                 chrome::kTestUserProfileDir);
 264     }
 265     LOG(WARNING) << "Running as stub user with profile dir: "
 266                  << singleton_command_line->GetSwitchValuePath(
 267                      switches::kLoginProfile).value();
 268   }
 269
 270 #if defined(GOOGLE_CHROME_BUILD)
 271   const char kChromeOSReleaseTrack[] = "CHROMEOS_RELEASE_TRACK";
 272   std::string channel;
 273   if (base::SysInfo::GetLsbReleaseValue(kChromeOSReleaseTrack, &channel))
 274     chrome::VersionInfo::SetChannel(channel);
 275 #endif
 276
 277   ChromeBrowserMainPartsLinux::PreEarlyInitialization();
 278 }
 279
 280 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopStart() {
 281   // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
 282   // implementation. This must be done before BrowserMainLoop calls
 283   // net::NetworkChangeNotifier::Create() in MainMessageLoopStart().
 284   net::NetworkChangeNotifier::SetFactory(
 285       new NetworkChangeNotifierFactoryChromeos());
 286   ChromeBrowserMainPartsLinux::PreMainMessageLoopStart();
 287 }
 288
 289 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
 290   base::FilePath user_data_dir;
 291   if (!base::SysInfo::IsRunningOnChromeOS() &&
 292       PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
 293     // Override some paths with stub locations so that cloud policy and
 294     // enterprise enrollment work on desktop builds, for ease of
 295     // development.
 296     chromeos::RegisterStubPathOverrides(user_data_dir);
 297   }
 298
 299   dbus_services_.reset(new internal::DBusServices(parameters()));
 300
 301   ChromeBrowserMainPartsLinux::PostMainMessageLoopStart();
 302 }
 303
 304 // Threads are initialized between MainMessageLoopStart and MainMessageLoopRun.
 305 // about_flags settings are applied in ChromeBrowserMainParts::PreCreateThreads.
 306 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
 307   // Set the crypto thread after the IO thread has been created/started.
 308   TPMTokenLoader::Get()->SetCryptoTaskRunner(
 309       content::BrowserThread::GetMessageLoopProxyForThread(
 310           content::BrowserThread::IO));
 311
 312   CrasAudioHandler::Initialize(
 313       AudioDevicesPrefHandler::Create(g_browser_process->local_state()));
 314
 315   // Start loading machine statistics here. StatisticsProvider::Shutdown()
 316   // will ensure that loading is aborted on early exit.
 317   bool load_oem_statistics = !StartupUtils::IsOobeCompleted();
 318   system::StatisticsProvider::GetInstance()->StartLoadingMachineStatistics(
 319       content::BrowserThread::GetMessageLoopProxyForThread(
 320           content::BrowserThread::FILE),
 321       load_oem_statistics);
 322
 323   base::FilePath downloads_directory;
 324   CHECK(PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &downloads_directory));
 325   imageburner::BurnManager::Initialize(
 326       downloads_directory, g_browser_process->system_request_context());
 327
 328   DeviceOAuth2TokenServiceFactory::Initialize();
 329
 330   ChromeBrowserMainPartsLinux::PreMainMessageLoopRun();
 331 }
 332
 333 void ChromeBrowserMainPartsChromeos::PreProfileInit() {
 334   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 335   // -- immediately before Profile creation().
 336
 337   // Now that the file thread exists we can record our stats.
 338   BootTimesLoader::Get()->RecordChromeMainStats();
 339   LoginEventRecorder::Get()->SetDelegate(BootTimesLoader::Get());
 340
 341   // Trigger prefetching of ownership status.
 342   DeviceSettingsService::Get()->Load();
 343
 344   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 345   // -- just before CreateProfile().
 346
 347   g_browser_process->platform_part()->InitializeChromeUserManager();
 348
 349   // Initialize the screen locker now so that it can receive
 350   // LOGIN_USER_CHANGED notification from UserManager.
 351   if (KioskModeSettings::Get()->IsKioskModeEnabled())
 352     KioskModeIdleLogout::Initialize();
 353   else
 354     ScreenLocker::InitClass();
 355
 356   // This forces the ProfileManager to be created and register for the
 357   // notification it needs to track the logged in user.
 358   g_browser_process->profile_manager();
 359
 360   // AccessibilityManager and SystemKeyEventListener use InputMethodManager.
 361   input_method::Initialize();
 362
 363   // ProfileHelper has to be initialized after UserManager instance is created.
 364   ProfileHelper::Get()->Initialize();
 365
 366   // TODO(abarth): Should this move to InitializeNetworkOptions()?
 367   // Allow access to file:// on ChromeOS for tests.
 368   if (parsed_command_line().HasSwitch(::switches::kAllowFileAccess))
 369     ChromeNetworkDelegate::AllowAccessToAllFiles();
 370
 371   // If kLoginUser is passed this indicates that user has already
 372   // logged in and we should behave accordingly.
 373   bool immediate_login =
 374       parsed_command_line().HasSwitch(switches::kLoginUser);
 375   if (immediate_login){
 376     // Redirects Chrome logging to the user data dir.
 377     logging::RedirectChromeLogging(parsed_command_line());
 378
 379     // Load the default app order synchronously for restarting case.
 380     app_order_loader_.reset(
 381         new default_app_order::ExternalLoader(false /* async */));
 382   }
 383
 384   if (!app_order_loader_) {
 385     app_order_loader_.reset(
 386         new default_app_order::ExternalLoader(true /* async */));
 387   }
 388
 389   media::SoundsManager::Create();
 390
 391   // Initialize magnification manager before ash tray is created. And this must
 392   // be placed after UserManager::SessionStarted();
 393   AccessibilityManager::Initialize();
 394 #if !defined(USE_ATHENA)
 395   // TODO(oshima): MagnificationManager/WallpaperManager depends on ash.
 396   // crbug.com/408733, crbug.com/408734.
 397   MagnificationManager::Initialize();
 398
 399   // Add observers for WallpaperManager. This depends on PowerManagerClient,
 400   // TimezoneSettings and CrosSettings.
 401   WallpaperManager::Get()->AddObservers();
 402 #endif
 403
 404   cros_version_loader_.GetVersion(VersionLoader::VERSION_FULL,
 405                                   base::Bind(&ChromeOSVersionCallback),
 406                                   &tracker_);
 407
 408   // Make sure that wallpaper boot transition and other delays in OOBE
 409   // are disabled for tests and kiosk app launch by default.
 410   // Individual tests may enable them if they want.
 411   if (parsed_command_line().HasSwitch(::switches::kTestType) ||
 412       ShouldAutoLaunchKioskApp(parsed_command_line())) {
 413     WizardController::SetZeroDelays();
 414   }
 415
 416   power_prefs_.reset(new PowerPrefs(
 417       DBusThreadManager::Get()->GetPowerPolicyController()));
 418
 419   // In Aura builds this will initialize ash::Shell.
 420   ChromeBrowserMainPartsLinux::PreProfileInit();
 421
 422   if (immediate_login) {
 423     const std::string user_id = login::CanonicalizeUserID(
 424         parsed_command_line().GetSwitchValueASCII(switches::kLoginUser));
 425     user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 426
 427     if (policy::IsDeviceLocalAccountUser(user_id, NULL) &&
 428         !user_manager->IsKnownUser(user_id)) {
 429       // When a device-local account is removed, its policy is deleted from disk
 430       // immediately. If a session using this account happens to be in progress,
 431       // the session is allowed to continue with policy served from an in-memory
 432       // cache. If Chrome crashes later in the session, the policy becomes
 433       // completely unavailable. Exit the session in that case, rather than
 434       // allowing it to continue without policy.
 435       chrome::AttemptUserExit();
 436       return;
 437     }
 438
 439     // In case of multi-profiles --login-profile will contain user_id_hash.
 440     std::string user_id_hash =
 441         parsed_command_line().GetSwitchValueASCII(switches::kLoginProfile);
 442     user_manager->UserLoggedIn(user_id, user_id_hash, true);
 443     VLOG(1) << "Relaunching browser for user: " << user_id
 444             << " with hash: " << user_id_hash;
 445   }
 446 }
 447
 448 class GuestLanguageSetCallbackData {
 449  public:
 450   explicit GuestLanguageSetCallbackData(Profile* profile) : profile(profile) {
 451   }
 452
 453   // Must match SwitchLanguageCallback type.
 454   static void Callback(const scoped_ptr<GuestLanguageSetCallbackData>& self,
 455                        const std::string& locale,
 456                        const std::string& loaded_locale,
 457                        bool success);
 458
 459   Profile* profile;
 460 };
 461
 462 // static
 463 void GuestLanguageSetCallbackData::Callback(
 464     const scoped_ptr<GuestLanguageSetCallbackData>& self,
 465     const std::string& locale,
 466     const std::string& loaded_locale,
 467     bool success) {
 468   input_method::InputMethodManager* manager =
 469       input_method::InputMethodManager::Get();
 470   scoped_refptr<input_method::InputMethodManager::State> ime_state =
 471       manager->GetActiveIMEState();
 472   // Active layout must be hardware "login layout".
 473   // The previous one must be "locale default layout".
 474   // First, enable all hardware input methods.
 475   const std::vector<std::string>& input_methods =
 476       manager->GetInputMethodUtil()->GetHardwareInputMethodIds();
 477   for (size_t i = 0; i < input_methods.size(); ++i)
 478     ime_state->EnableInputMethod(input_methods[i]);
 479
 480   // Second, enable locale based input methods.
 481   const std::string locale_default_input_method =
 482       manager->GetInputMethodUtil()->GetLanguageDefaultInputMethodId(
 483           loaded_locale);
 484   if (!locale_default_input_method.empty()) {
 485     PrefService* user_prefs = self->profile->GetPrefs();
 486     user_prefs->SetString(prefs::kLanguagePreviousInputMethod,
 487                           locale_default_input_method);
 488     ime_state->EnableInputMethod(locale_default_input_method);
 489   }
 490
 491   // Finally, activate the first login input method.
 492   const std::vector<std::string>& login_input_methods =
 493       manager->GetInputMethodUtil()->GetHardwareLoginInputMethodIds();
 494   ime_state->ChangeInputMethod(login_input_methods[0],
 495                                false /* show_message */);
 496 }
 497
 498 void SetGuestLocale(Profile* const profile) {
 499   scoped_ptr<GuestLanguageSetCallbackData> data(
 500       new GuestLanguageSetCallbackData(profile));
 501   scoped_ptr<locale_util::SwitchLanguageCallback> callback(
 502       new locale_util::SwitchLanguageCallback(base::Bind(
 503           &GuestLanguageSetCallbackData::Callback, base::Passed(data.Pass()))));
 504   user_manager::User* const user =
 505       ProfileHelper::Get()->GetUserByProfile(profile);
 506   UserSessionManager::GetInstance()->RespectLocalePreference(
 507       profile, user, callback.Pass());
 508 }
 509
 510 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
 511   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 512   // -- just after CreateProfile().
 513
 514   BootTimesLoader::Get()->OnChromeProcessStart();
 515
 516   // Initialize the network portal detector for Chrome OS. The network
 517   // portal detector starts to listen for notifications from
 518   // NetworkStateHandler and initiates captive portal detection for
 519   // active networks. Should be called before call to CreateSessionManager,
 520   // because it depends on NetworkPortalDetector.
 521   NetworkPortalDetectorImpl::Initialize(
 522       g_browser_process->system_request_context());
 523   {
 524     NetworkPortalDetector* detector = NetworkPortalDetector::Get();
 525 #if defined(GOOGLE_CHROME_BUILD)
 526     bool is_official_build = true;
 527 #else
 528     bool is_official_build = false;
 529 #endif
 530     // Enable portal detector if EULA was previously accepted or if
 531     // this is an unofficial build.
 532     if (!is_official_build || StartupUtils::IsEulaAccepted())
 533       detector->Enable(true);
 534   }
 535
 536   // Initialize input methods.
 537   input_method::InputMethodManager* manager =
 538       input_method::InputMethodManager::Get();
 539   UserSessionManager* session_manager = UserSessionManager::GetInstance();
 540   DCHECK(manager);
 541   DCHECK(session_manager);
 542
 543   manager->SetState(session_manager->GetDefaultIMEState(profile()));
 544
 545   bool is_running_test = parameters().ui_task != NULL;
 546   g_browser_process->platform_part()->InitializeSessionManager(
 547       parsed_command_line(), profile(), is_running_test);
 548   g_browser_process->platform_part()->SessionManager()->Start();
 549
 550   // Guest user profile is never initialized with locale settings,
 551   // so we need special handling for Guest session.
 552   if (user_manager::UserManager::Get()->IsLoggedInAsGuest())
 553     SetGuestLocale(profile());
 554
 555   // These observers must be initialized after the profile because
 556   // they use the profile to dispatch extension events.
 557   extension_system_event_observer_.reset(new ExtensionSystemEventObserver());
 558   if (KioskModeSettings::Get()->IsKioskModeEnabled()) {
 559     retail_mode_power_save_blocker_ = content::PowerSaveBlocker::Create(
 560         content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
 561         "Retail mode");
 562   }
 563
 564   peripheral_battery_observer_.reset(new PeripheralBatteryObserver());
 565
 566   renderer_freezer_.reset(
 567       new RendererFreezer(scoped_ptr<RendererFreezer::Delegate>(
 568           new FreezerCgroupProcessManager())));
 569   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kWakeOnPackets))
 570     light_bar_.reset(new LightBar());
 571
 572   g_browser_process->platform_part()->InitializeAutomaticRebootManager();
 573
 574   // This observer cannot be created earlier because it requires the shell to be
 575   // available.
 576   idle_action_warning_observer_.reset(new IdleActionWarningObserver());
 577
 578   ChromeBrowserMainPartsLinux::PostProfileInit();
 579 }
 580
 581 void ChromeBrowserMainPartsChromeos::PreBrowserStart() {
 582   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 583   // -- just before MetricsService::LogNeedForCleanShutdown().
 584
 585   // Start the external metrics service, which collects metrics from Chrome OS
 586   // and passes them to the browser process.
 587   external_metrics_ = new chromeos::ExternalMetrics;
 588   external_metrics_->Start();
 589
 590 #if defined(USE_X11)
 591   // Listen for system key events so that the user will be able to adjust the
 592   // volume on the login screen, if Chrome is running on Chrome OS
 593   // (i.e. not Linux desktop), and in non-test mode.
 594   // Note: SystemKeyEventListener depends on the DBus thread.
 595   if (base::SysInfo::IsRunningOnChromeOS() &&
 596       !parameters().ui_task) {  // ui_task is non-NULL when running tests.
 597     SystemKeyEventListener::Initialize();
 598   }
 599
 600   // Listen for XI_HierarchyChanged events. Note: if this is moved to
 601   // PreMainMessageLoopRun() then desktopui_PageCyclerTests fail for unknown
 602   // reasons, see http://crosbug.com/24833.
 603   XInputHierarchyChangedEventListener::GetInstance();
 604
 605   // Start the CrOS input device UMA watcher
 606   DeviceUMA::GetInstance();
 607 #endif
 608
 609   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 610   // -- immediately after ChildProcess::WaitForDebugger().
 611
 612   // Start the out-of-memory priority manager here so that we give the most
 613   // amount of time for the other services to start up before we start
 614   // adjusting the oom priority.
 615   g_browser_process->platform_part()->oom_priority_manager()->Start();
 616
 617   if (ui::ShouldDefaultToNaturalScroll()) {
 618     CommandLine::ForCurrentProcess()->AppendSwitch(
 619         chromeos::switches::kNaturalScrollDefault);
 620     system::InputDeviceSettings::Get()->SetTapToClick(true);
 621   }
 622
 623   ChromeBrowserMainPartsLinux::PreBrowserStart();
 624 }
 625
 626 void ChromeBrowserMainPartsChromeos::PostBrowserStart() {
 627   // These are dependent on the ash::Shell singleton already having been
 628   // initialized.
 629 #if !defined(USE_ATHENA)
 630   // TODO(oshima): Remove ash dependency in PowerButtonObserver.
 631   // crbug.com/408832.
 632   power_button_observer_.reset(new PowerButtonObserver);
 633 #endif
 634   data_promo_notification_.reset(new DataPromoNotification());
 635
 636 #if !defined(USE_ATHENA)
 637   // TODO(oshima): Support accessibility on athena. crbug.com/408733.
 638   keyboard_event_rewriters_.reset(new EventRewriterController());
 639   keyboard_event_rewriters_->AddEventRewriter(
 640       scoped_ptr<ui::EventRewriter>(new KeyboardDrivenEventRewriter()));
 641   keyboard_event_rewriters_->AddEventRewriter(scoped_ptr<ui::EventRewriter>(
 642       new EventRewriter(ash::Shell::GetInstance()->sticky_keys_controller())));
 643   keyboard_event_rewriters_->Init();
 644 #endif
 645
 646   ChromeBrowserMainPartsLinux::PostBrowserStart();
 647 }
 648
 649 // Shut down services before the browser process, etc are destroyed.
 650 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
 651   BootTimesLoader::Get()->AddLogoutTimeMarker("UIMessageLoopEnded", true);
 652
 653   g_browser_process->platform_part()->oom_priority_manager()->Stop();
 654
 655   // Early wake-up of HID device service.
 656   InputServiceProxy::WarmUp();
 657
 658   // Destroy the application name notifier for Kiosk mode.
 659   KioskModeIdleAppNameNotification::Shutdown();
 660
 661   // Shutdown the upgrade detector for Chrome OS. The upgrade detector
 662   // stops monitoring changes from the update engine.
 663   if (UpgradeDetectorChromeos::GetInstance())
 664     UpgradeDetectorChromeos::GetInstance()->Shutdown();
 665
 666   // Shutdown the network change notifier for Chrome OS. The network
 667   // change notifier stops monitoring changes from the power manager and
 668   // the network manager.
 669   if (NetworkChangeNotifierFactoryChromeos::GetInstance())
 670     NetworkChangeNotifierFactoryChromeos::GetInstance()->Shutdown();
 671
 672   // Destroy UI related classes before destroying services that they may
 673   // depend on.
 674   data_promo_notification_.reset();
 675
 676   // Tell DeviceSettingsService to stop talking to session_manager. Do not
 677   // shutdown DeviceSettingsService yet, it might still be accessed by
 678   // BrowserPolicyConnector (owned by g_browser_process).
 679   DeviceSettingsService::Get()->UnsetSessionManager();
 680
 681   // We should remove observers attached to D-Bus clients before
 682   // DBusThreadManager is shut down.
 683   extension_system_event_observer_.reset();
 684   retail_mode_power_save_blocker_.reset();
 685   peripheral_battery_observer_.reset();
 686   power_prefs_.reset();
 687   renderer_freezer_.reset();
 688   light_bar_.reset();
 689
 690   // Let the ScreenLocker unregister itself from SessionManagerClient before
 691   // DBusThreadManager is shut down.
 692   if (!KioskModeSettings::Get()->IsKioskModeEnabled())
 693     ScreenLocker::ShutDownClass();
 694
 695   keyboard_event_rewriters_.reset();
 696 #if defined(USE_X11)
 697   // The XInput2 event listener needs to be shut down earlier than when
 698   // Singletons are finally destroyed in AtExitManager.
 699   XInputHierarchyChangedEventListener::GetInstance()->Stop();
 700
 701   DeviceUMA::GetInstance()->Stop();
 702
 703   // SystemKeyEventListener::Shutdown() is always safe to call,
 704   // even if Initialize() wasn't called.
 705   SystemKeyEventListener::Shutdown();
 706 #endif
 707
 708   imageburner::BurnManager::Shutdown();
 709   CrasAudioHandler::Shutdown();
 710
 711   // Detach D-Bus clients before DBusThreadManager is shut down.
 712   power_button_observer_.reset();
 713   idle_action_warning_observer_.reset();
 714
 715 #if !defined(USE_ATHENA)
 716   MagnificationManager::Shutdown();
 717 #endif
 718
 719   AccessibilityManager::Shutdown();
 720
 721   media::SoundsManager::Shutdown();
 722
 723   system::StatisticsProvider::GetInstance()->Shutdown();
 724
 725   // Let the UserManager and WallpaperManager unregister itself as an observer
 726   // of the CrosSettings singleton before it is destroyed. This also ensures
 727   // that the UserManager has no URLRequest pending (see
 728   // http://crbug.com/276659).
 729   g_browser_process->platform_part()->user_manager()->Shutdown();
 730   WallpaperManager::Get()->Shutdown();
 731
 732   // Let the AutomaticRebootManager unregister itself as an observer of several
 733   // subsystems.
 734   g_browser_process->platform_part()->ShutdownAutomaticRebootManager();
 735
 736   // Clean up dependency on CrosSettings and stop pending data fetches.
 737   KioskAppManager::Shutdown();
 738
 739   // Give BrowserPolicyConnectorChromeOS a chance to unregister any observers
 740   // on services that are going to be deleted later but before its Shutdown()
 741   // is called.
 742   g_browser_process->platform_part()->browser_policy_connector_chromeos()->
 743       PreShutdown();
 744
 745   // We first call PostMainMessageLoopRun and then destroy UserManager, because
 746   // Ash needs to be closed before UserManager is destroyed.
 747   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 748
 749   input_method::Shutdown();
 750
 751   // Stops all in-flight OAuth2 token fetchers before the IO thread stops.
 752   DeviceOAuth2TokenServiceFactory::Shutdown();
 753
 754   // Called after
 755   // ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() to be
 756   // executed after execution of chrome::CloseAsh(), because some
 757   // parts of WebUI depends on NetworkPortalDetector.
 758   NetworkPortalDetector::Shutdown();
 759
 760   g_browser_process->platform_part()->DestroyChromeUserManager();
 761
 762   g_browser_process->platform_part()->ShutdownSessionManager();
 763 }
 764
 765 void ChromeBrowserMainPartsChromeos::PostDestroyThreads() {
 766   // Destroy DBus services immediately after threads are stopped.
 767   dbus_services_.reset();
 768
 769   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 770
 771   // Destroy DeviceSettingsService after g_browser_process.
 772   DeviceSettingsService::Shutdown();
 773 }
 774
 775 }  //  namespace chromeos