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 "base/task_runner_util.h"
  24 #include "chrome/browser/browser_process.h"
  25 #include "chrome/browser/browser_process_platform_part_chromeos.h"
  26 #include "chrome/browser/chrome_notification_types.h"
  27 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
  28 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
  29 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
  30 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
  31 #include "chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h"
  32 #include "chrome/browser/chromeos/boot_times_recorder.h"
  33 #include "chrome/browser/chromeos/dbus/chrome_console_service_provider_delegate.h"
  34 #include "chrome/browser/chromeos/dbus/chrome_display_power_service_provider_delegate.h"
  35 #include "chrome/browser/chromeos/dbus/chrome_proxy_resolver_delegate.h"
  36 #include "chrome/browser/chromeos/dbus/printer_service_provider.h"
  37 #include "chrome/browser/chromeos/dbus/screen_lock_service_provider.h"
  38 #include "chrome/browser/chromeos/device/input_service_proxy.h"
  39 #include "chrome/browser/chromeos/events/event_rewriter.h"
  40 #include "chrome/browser/chromeos/events/event_rewriter_controller.h"
  41 #include "chrome/browser/chromeos/events/keyboard_driven_event_rewriter.h"
  42 #include "chrome/browser/chromeos/extensions/default_app_order.h"
  43 #include "chrome/browser/chromeos/external_metrics.h"
  44 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
  45 #include "chrome/browser/chromeos/input_method/input_method_util.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/net/wake_on_wifi_manager.h"
  58 #include "chrome/browser/chromeos/options/cert_library.h"
  59 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos_factory.h"
  60 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  61 #include "chrome/browser/chromeos/policy/device_local_account.h"
  62 #include "chrome/browser/chromeos/power/freezer_cgroup_process_manager.h"
  63 #include "chrome/browser/chromeos/power/idle_action_warning_observer.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/browser/ui/ash/network_connect_delegate_chromeos.h"
  82 #include "chrome/common/chrome_constants.h"
  83 #include "chrome/common/chrome_paths.h"
  84 #include "chrome/common/chrome_switches.h"
  85 #include "chrome/common/chrome_version_info.h"
  86 #include "chrome/common/logging_chrome.h"
  87 #include "chrome/common/pref_names.h"
  88 #include "chromeos/audio/audio_devices_pref_handler_impl.h"
  89 #include "chromeos/audio/cras_audio_handler.h"
  90 #include "chromeos/cert_loader.h"
  91 #include "chromeos/chromeos_paths.h"
  92 #include "chromeos/chromeos_switches.h"
  93 #include "chromeos/cryptohome/async_method_caller.h"
  94 #include "chromeos/cryptohome/homedir_methods.h"
  95 #include "chromeos/cryptohome/system_salt_getter.h"
  96 #include "chromeos/dbus/dbus_thread_manager.h"
  97 #include "chromeos/dbus/power_policy_controller.h"
  98 #include "chromeos/dbus/services/console_service_provider.h"
  99 #include "chromeos/dbus/services/cros_dbus_service.h"
 100 #include "chromeos/dbus/services/display_power_service_provider.h"
 101 #include "chromeos/dbus/services/liveness_service_provider.h"
 102 #include "chromeos/dbus/services/proxy_resolution_service_provider.h"
 103 #include "chromeos/dbus/session_manager_client.h"
 104 #include "chromeos/disks/disk_mount_manager.h"
 105 #include "chromeos/login/login_state.h"
 106 #include "chromeos/login/user_names.h"
 107 #include "chromeos/login_event_recorder.h"
 108 #include "chromeos/network/network_change_notifier_chromeos.h"
 109 #include "chromeos/network/network_change_notifier_factory_chromeos.h"
 110 #include "chromeos/network/network_handler.h"
 111 #include "chromeos/system/statistics_provider.h"
 112 #include "chromeos/tpm/tpm_token_loader.h"
 113 #include "components/metrics/metrics_service.h"
 114 #include "components/ownership/owner_key_util.h"
 115 #include "components/session_manager/core/session_manager.h"
 116 #include "components/user_manager/user.h"
 117 #include "components/user_manager/user_manager.h"
 118 #include "components/wallpaper/wallpaper_manager_base.h"
 119 #include "content/public/browser/browser_thread.h"
 120 #include "content/public/browser/notification_service.h"
 121 #include "content/public/common/main_function_params.h"
 122 #include "device/bluetooth/bluetooth_adapter_factory.h"
 123 #include "media/audio/sounds/sounds_manager.h"
 124 #include "net/base/network_change_notifier.h"
 125 #include "net/socket/ssl_server_socket.h"
 126 #include "net/url_request/url_request.h"
 127 #include "net/url_request/url_request_context_getter.h"
 128 #include "ui/base/ime/chromeos/ime_keyboard.h"
 129 #include "ui/base/ime/chromeos/input_method_manager.h"
 130 #include "ui/base/touch/touch_device.h"
 131 #include "ui/events/event_utils.h"
 132
 133 // Exclude X11 dependents for ozone
 134 #if defined(USE_X11)
 135 #include "chrome/browser/chromeos/device_uma.h"
 136 #include "chrome/browser/chromeos/events/system_key_event_listener.h"
 137 #include "chrome/browser/chromeos/events/xinput_hierarchy_changed_event_listener.h"
 138 #endif
 139
 140 namespace chromeos {
 141
 142 namespace {
 143
 144 void ChromeOSVersionCallback(const std::string& version) {
 145   base::SetLinuxDistro(std::string("CrOS ") + version);
 146 }
 147
 148 bool ShouldAutoLaunchKioskApp(const base::CommandLine& command_line) {
 149   KioskAppManager* app_manager = KioskAppManager::Get();
 150   return command_line.HasSwitch(switches::kLoginManager) &&
 151       !command_line.HasSwitch(switches::kForceLoginManagerInTests) &&
 152       app_manager->IsAutoLaunchEnabled() &&
 153       KioskAppLaunchError::Get() == KioskAppLaunchError::NONE;
 154 }
 155
 156 }  // namespace
 157
 158 namespace internal {
 159
 160 // Wrapper class for initializing dbus related services and shutting them
 161 // down. This gets instantiated in a scoped_ptr so that shutdown methods in the
 162 // destructor will get called if and only if this has been instantiated.
 163 class DBusServices {
 164  public:
 165   explicit DBusServices(const content::MainFunctionParams& parameters) {
 166     // Initialize DBusThreadManager for the browser. This must be done after
 167     // the main message loop is started, as it uses the message loop.
 168     DBusThreadManager::Initialize();
 169     PowerPolicyController::Initialize(
 170         DBusThreadManager::Get()->GetPowerManagerClient());
 171
 172     ScopedVector<CrosDBusService::ServiceProviderInterface> service_providers;
 173     service_providers.push_back(ProxyResolutionServiceProvider::Create(
 174         make_scoped_ptr(new ChromeProxyResolverDelegate())));
 175     service_providers.push_back(new DisplayPowerServiceProvider(
 176         make_scoped_ptr(new ChromeDisplayPowerServiceProviderDelegate)));
 177     service_providers.push_back(new PrinterServiceProvider);
 178     service_providers.push_back(new LivenessServiceProvider);
 179     service_providers.push_back(new ScreenLockServiceProvider);
 180     service_providers.push_back(new ConsoleServiceProvider(
 181         make_scoped_ptr(new ChromeConsoleServiceProviderDelegate)));
 182     CrosDBusService::Initialize(service_providers.Pass());
 183
 184     // Initialize PowerDataCollector after DBusThreadManager is initialized.
 185     PowerDataCollector::Initialize();
 186
 187     LoginState::Initialize();
 188     SystemSaltGetter::Initialize();
 189     TPMTokenLoader::Initialize();
 190     CertLoader::Initialize();
 191
 192     disks::DiskMountManager::Initialize();
 193     cryptohome::AsyncMethodCaller::Initialize();
 194     cryptohome::HomedirMethods::Initialize();
 195
 196     NetworkHandler::Initialize();
 197     CertLibrary::Initialize();
 198
 199     // Initialize the network change notifier for Chrome OS. The network
 200     // change notifier starts to monitor changes from the power manager and
 201     // the network manager.
 202     NetworkChangeNotifierFactoryChromeos::GetInstance()->Initialize();
 203
 204     // Initialize the NetworkConnect handler.
 205     network_connect_delegate_.reset(new NetworkConnectDelegateChromeOS);
 206     ui::NetworkConnect::Initialize(network_connect_delegate_.get());
 207
 208     // Likewise, initialize the upgrade detector for Chrome OS. The upgrade
 209     // detector starts to monitor changes from the update engine.
 210     UpgradeDetectorChromeos::GetInstance()->Init();
 211
 212     // Initialize the device settings service so that we'll take actions per
 213     // signals sent from the session manager. This needs to happen before
 214     // g_browser_process initializes BrowserPolicyConnector.
 215     DeviceSettingsService::Initialize();
 216     DeviceSettingsService::Get()->SetSessionManager(
 217         DBusThreadManager::Get()->GetSessionManagerClient(),
 218         OwnerSettingsServiceChromeOSFactory::GetInstance()->GetOwnerKeyUtil());
 219   }
 220
 221   ~DBusServices() {
 222     ui::NetworkConnect::Shutdown();
 223     network_connect_delegate_.reset();
 224     CertLibrary::Shutdown();
 225     NetworkHandler::Shutdown();
 226     cryptohome::AsyncMethodCaller::Shutdown();
 227     disks::DiskMountManager::Shutdown();
 228     SystemSaltGetter::Shutdown();
 229     LoginState::Shutdown();
 230     CertLoader::Shutdown();
 231     TPMTokenLoader::Shutdown();
 232     CrosDBusService::Shutdown();
 233     PowerDataCollector::Shutdown();
 234     PowerPolicyController::Shutdown();
 235     device::BluetoothAdapterFactory::Shutdown();
 236
 237     // NOTE: This must only be called if Initialize() was called.
 238     DBusThreadManager::Shutdown();
 239   }
 240
 241  private:
 242   scoped_ptr<NetworkConnectDelegateChromeOS> network_connect_delegate_;
 243
 244   DISALLOW_COPY_AND_ASSIGN(DBusServices);
 245 };
 246
 247 }  //  namespace internal
 248
 249 // ChromeBrowserMainPartsChromeos ----------------------------------------------
 250
 251 ChromeBrowserMainPartsChromeos::ChromeBrowserMainPartsChromeos(
 252     const content::MainFunctionParams& parameters)
 253     : ChromeBrowserMainPartsLinux(parameters) {
 254 }
 255
 256 ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
 257   // To be precise, logout (browser shutdown) is not yet done, but the
 258   // remaining work is negligible, hence we say LogoutDone here.
 259   BootTimesRecorder::Get()->AddLogoutTimeMarker("LogoutDone", false);
 260   BootTimesRecorder::Get()->WriteLogoutTimes();
 261 }
 262
 263 // content::BrowserMainParts and ChromeBrowserMainExtraParts overrides ---------
 264
 265 void ChromeBrowserMainPartsChromeos::PreEarlyInitialization() {
 266   base::CommandLine* singleton_command_line =
 267       base::CommandLine::ForCurrentProcess();
 268
 269   if (parsed_command_line().HasSwitch(switches::kGuestSession)) {
 270     // Disable sync and extensions if we're in "browse without sign-in" mode.
 271     singleton_command_line->AppendSwitch(::switches::kDisableSync);
 272     singleton_command_line->AppendSwitch(::switches::kDisableExtensions);
 273     browser_defaults::bookmarks_enabled = false;
 274   }
 275
 276   // If we're not running on real Chrome OS hardware (or under VM), and are not
 277   // showing the login manager or attempting a command line login, login with a
 278   // stub user.
 279   if (!base::SysInfo::IsRunningOnChromeOS() &&
 280       !parsed_command_line().HasSwitch(switches::kLoginManager) &&
 281       !parsed_command_line().HasSwitch(switches::kLoginUser) &&
 282       !parsed_command_line().HasSwitch(switches::kGuestSession)) {
 283     singleton_command_line->AppendSwitchASCII(switches::kLoginUser,
 284                                               chromeos::login::kStubUser);
 285     if (!parsed_command_line().HasSwitch(switches::kLoginProfile)) {
 286       singleton_command_line->AppendSwitchASCII(switches::kLoginProfile,
 287                                                 chrome::kTestUserProfileDir);
 288     }
 289     LOG(WARNING) << "Running as stub user with profile dir: "
 290                  << singleton_command_line->GetSwitchValuePath(
 291                      switches::kLoginProfile).value();
 292   }
 293
 294 #if defined(GOOGLE_CHROME_BUILD)
 295   const char kChromeOSReleaseTrack[] = "CHROMEOS_RELEASE_TRACK";
 296   std::string channel;
 297   if (base::SysInfo::GetLsbReleaseValue(kChromeOSReleaseTrack, &channel))
 298     chrome::VersionInfo::SetChannel(channel);
 299 #endif
 300
 301   ChromeBrowserMainPartsLinux::PreEarlyInitialization();
 302 }
 303
 304 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopStart() {
 305   // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
 306   // implementation. This must be done before BrowserMainLoop calls
 307   // net::NetworkChangeNotifier::Create() in MainMessageLoopStart().
 308   net::NetworkChangeNotifier::SetFactory(
 309       new NetworkChangeNotifierFactoryChromeos());
 310   ChromeBrowserMainPartsLinux::PreMainMessageLoopStart();
 311 }
 312
 313 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
 314   base::FilePath user_data_dir;
 315   if (!base::SysInfo::IsRunningOnChromeOS() &&
 316       PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
 317     // Override some paths with stub locations so that cloud policy and
 318     // enterprise enrollment work on desktop builds, for ease of
 319     // development.
 320     chromeos::RegisterStubPathOverrides(user_data_dir);
 321   }
 322
 323   dbus_services_.reset(new internal::DBusServices(parameters()));
 324
 325   // Enable support for SSL server sockets, which must be done while still
 326   // single-threaded.  This is required for remote assistance host on Chrome OS.
 327   net::EnableSSLServerSockets();
 328
 329   ChromeBrowserMainPartsLinux::PostMainMessageLoopStart();
 330 }
 331
 332 // Threads are initialized between MainMessageLoopStart and MainMessageLoopRun.
 333 // about_flags settings are applied in ChromeBrowserMainParts::PreCreateThreads.
 334 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
 335   // Set the crypto thread after the IO thread has been created/started.
 336   TPMTokenLoader::Get()->SetCryptoTaskRunner(
 337       content::BrowserThread::GetMessageLoopProxyForThread(
 338           content::BrowserThread::IO));
 339
 340   CrasAudioHandler::Initialize(
 341       new AudioDevicesPrefHandlerImpl(g_browser_process->local_state()));
 342
 343   // Start loading machine statistics here. StatisticsProvider::Shutdown()
 344   // will ensure that loading is aborted on early exit.
 345   bool load_oem_statistics = !StartupUtils::IsOobeCompleted();
 346   system::StatisticsProvider::GetInstance()->StartLoadingMachineStatistics(
 347       content::BrowserThread::GetMessageLoopProxyForThread(
 348           content::BrowserThread::FILE),
 349       load_oem_statistics);
 350
 351   base::FilePath downloads_directory;
 352   CHECK(PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &downloads_directory));
 353
 354   DeviceOAuth2TokenServiceFactory::Initialize();
 355
 356   wake_on_wifi_manager_.reset(new WakeOnWifiManager());
 357
 358   ChromeBrowserMainPartsLinux::PreMainMessageLoopRun();
 359 }
 360
 361 void ChromeBrowserMainPartsChromeos::PreProfileInit() {
 362   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 363   // -- immediately before Profile creation().
 364
 365   // Now that the file thread exists we can record our stats.
 366   BootTimesRecorder::Get()->RecordChromeMainStats();
 367   LoginEventRecorder::Get()->SetDelegate(BootTimesRecorder::Get());
 368
 369   // Trigger prefetching of ownership status.
 370   DeviceSettingsService::Get()->Load();
 371
 372   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 373   // -- just before CreateProfile().
 374
 375   g_browser_process->platform_part()->InitializeChromeUserManager();
 376
 377   ScreenLocker::InitClass();
 378
 379   // This forces the ProfileManager to be created and register for the
 380   // notification it needs to track the logged in user.
 381   g_browser_process->profile_manager();
 382
 383   // AccessibilityManager and SystemKeyEventListener use InputMethodManager.
 384   input_method::Initialize();
 385
 386   // ProfileHelper has to be initialized after UserManager instance is created.
 387   ProfileHelper::Get()->Initialize();
 388
 389   // TODO(abarth): Should this move to InitializeNetworkOptions()?
 390   // Allow access to file:// on ChromeOS for tests.
 391   if (parsed_command_line().HasSwitch(::switches::kAllowFileAccess))
 392     ChromeNetworkDelegate::AllowAccessToAllFiles();
 393
 394   // If kLoginUser is passed this indicates that user has already
 395   // logged in and we should behave accordingly.
 396   bool immediate_login =
 397       parsed_command_line().HasSwitch(switches::kLoginUser);
 398   if (immediate_login) {
 399     // Redirects Chrome logging to the user data dir.
 400     logging::RedirectChromeLogging(parsed_command_line());
 401
 402     // Load the default app order synchronously for restarting case.
 403     app_order_loader_.reset(
 404         new default_app_order::ExternalLoader(false /* async */));
 405   }
 406
 407   if (!app_order_loader_) {
 408     app_order_loader_.reset(
 409         new default_app_order::ExternalLoader(true /* async */));
 410   }
 411
 412   media::SoundsManager::Create();
 413
 414   // Initialize magnification manager before ash tray is created. And this must
 415   // be placed after UserManager::SessionStarted();
 416   AccessibilityManager::Initialize();
 417   MagnificationManager::Initialize();
 418
 419   wallpaper::WallpaperManagerBase::SetPathIds(
 420       chrome::DIR_USER_DATA,
 421       chrome::DIR_CHROMEOS_WALLPAPERS,
 422       chrome::DIR_CHROMEOS_CUSTOM_WALLPAPERS);
 423
 424   // Add observers for WallpaperManager. This depends on PowerManagerClient,
 425   // TimezoneSettings and CrosSettings.
 426   WallpaperManager::Get()->AddObservers();
 427
 428   base::PostTaskAndReplyWithResult(
 429       content::BrowserThread::GetBlockingPool(),
 430       FROM_HERE,
 431       base::Bind(&version_loader::GetVersion,
 432                  version_loader::VERSION_FULL),
 433       base::Bind(&ChromeOSVersionCallback));
 434
 435   // Make sure that wallpaper boot transition and other delays in OOBE
 436   // are disabled for tests and kiosk app launch by default.
 437   // Individual tests may enable them if they want.
 438   if (parsed_command_line().HasSwitch(::switches::kTestType) ||
 439       ShouldAutoLaunchKioskApp(parsed_command_line())) {
 440     WizardController::SetZeroDelays();
 441   }
 442
 443   power_prefs_.reset(new PowerPrefs(PowerPolicyController::Get()));
 444
 445   // In Aura builds this will initialize ash::Shell.
 446   ChromeBrowserMainPartsLinux::PreProfileInit();
 447
 448   if (immediate_login) {
 449     const std::string user_id = login::CanonicalizeUserID(
 450         parsed_command_line().GetSwitchValueASCII(switches::kLoginUser));
 451     user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 452
 453     if (policy::IsDeviceLocalAccountUser(user_id, NULL) &&
 454         !user_manager->IsKnownUser(user_id)) {
 455       // When a device-local account is removed, its policy is deleted from disk
 456       // immediately. If a session using this account happens to be in progress,
 457       // the session is allowed to continue with policy served from an in-memory
 458       // cache. If Chrome crashes later in the session, the policy becomes
 459       // completely unavailable. Exit the session in that case, rather than
 460       // allowing it to continue without policy.
 461       chrome::AttemptUserExit();
 462       return;
 463     }
 464
 465     // In case of multi-profiles --login-profile will contain user_id_hash.
 466     std::string user_id_hash =
 467         parsed_command_line().GetSwitchValueASCII(switches::kLoginProfile);
 468     user_manager->UserLoggedIn(user_id, user_id_hash, true);
 469     VLOG(1) << "Relaunching browser for user: " << user_id
 470             << " with hash: " << user_id_hash;
 471   }
 472 }
 473
 474 class GuestLanguageSetCallbackData {
 475  public:
 476   explicit GuestLanguageSetCallbackData(Profile* profile) : profile(profile) {
 477   }
 478
 479   // Must match SwitchLanguageCallback type.
 480   static void Callback(const scoped_ptr<GuestLanguageSetCallbackData>& self,
 481                        const locale_util::LanguageSwitchResult& result);
 482
 483   Profile* profile;
 484 };
 485
 486 // static
 487 void GuestLanguageSetCallbackData::Callback(
 488     const scoped_ptr<GuestLanguageSetCallbackData>& self,
 489     const locale_util::LanguageSwitchResult& result) {
 490   input_method::InputMethodManager* manager =
 491       input_method::InputMethodManager::Get();
 492   scoped_refptr<input_method::InputMethodManager::State> ime_state =
 493       manager->GetActiveIMEState();
 494   // Active layout must be hardware "login layout".
 495   // The previous one must be "locale default layout".
 496   // First, enable all hardware input methods.
 497   const std::vector<std::string>& input_methods =
 498       manager->GetInputMethodUtil()->GetHardwareInputMethodIds();
 499   for (size_t i = 0; i < input_methods.size(); ++i)
 500     ime_state->EnableInputMethod(input_methods[i]);
 501
 502   // Second, enable locale based input methods.
 503   const std::string locale_default_input_method =
 504       manager->GetInputMethodUtil()->GetLanguageDefaultInputMethodId(
 505           result.loaded_locale);
 506   if (!locale_default_input_method.empty()) {
 507     PrefService* user_prefs = self->profile->GetPrefs();
 508     user_prefs->SetString(prefs::kLanguagePreviousInputMethod,
 509                           locale_default_input_method);
 510     ime_state->EnableInputMethod(locale_default_input_method);
 511   }
 512
 513   // Finally, activate the first login input method.
 514   const std::vector<std::string>& login_input_methods =
 515       manager->GetInputMethodUtil()->GetHardwareLoginInputMethodIds();
 516   ime_state->ChangeInputMethod(login_input_methods[0],
 517                                false /* show_message */);
 518 }
 519
 520 void SetGuestLocale(Profile* const profile) {
 521   scoped_ptr<GuestLanguageSetCallbackData> data(
 522       new GuestLanguageSetCallbackData(profile));
 523   locale_util::SwitchLanguageCallback callback(base::Bind(
 524       &GuestLanguageSetCallbackData::Callback, base::Passed(data.Pass())));
 525   const user_manager::User* const user =
 526       ProfileHelper::Get()->GetUserByProfile(profile);
 527   UserSessionManager::GetInstance()->RespectLocalePreference(
 528       profile, user, callback);
 529 }
 530
 531 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
 532   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 533   // -- just after CreateProfile().
 534
 535   // Force loading of signin profile if it was not loaded before. It is possible
 536   // when we are restoring session or skipping login screen for some other
 537   // reason.
 538   if (!chromeos::ProfileHelper::IsSigninProfile(profile()))
 539     chromeos::ProfileHelper::GetSigninProfile();
 540
 541   BootTimesRecorder::Get()->OnChromeProcessStart();
 542
 543   // Initialize the network portal detector for Chrome OS. The network
 544   // portal detector starts to listen for notifications from
 545   // NetworkStateHandler and initiates captive portal detection for
 546   // active networks. Should be called before call to CreateSessionManager,
 547   // because it depends on NetworkPortalDetector.
 548   NetworkPortalDetectorImpl::Initialize(
 549       g_browser_process->system_request_context());
 550   {
 551     NetworkPortalDetector* detector = NetworkPortalDetector::Get();
 552 #if defined(GOOGLE_CHROME_BUILD)
 553     bool is_official_build = true;
 554 #else
 555     bool is_official_build = false;
 556 #endif
 557     // Enable portal detector if EULA was previously accepted or if
 558     // this is an unofficial build.
 559     if (!is_official_build || StartupUtils::IsEulaAccepted())
 560       detector->Enable(true);
 561   }
 562
 563   // Initialize input methods.
 564   input_method::InputMethodManager* manager =
 565       input_method::InputMethodManager::Get();
 566   UserSessionManager* session_manager = UserSessionManager::GetInstance();
 567   DCHECK(manager);
 568   DCHECK(session_manager);
 569
 570   manager->SetState(session_manager->GetDefaultIMEState(profile()));
 571
 572   bool is_running_test = parameters().ui_task != NULL;
 573   g_browser_process->platform_part()->InitializeSessionManager(
 574       parsed_command_line(), profile(), is_running_test);
 575   g_browser_process->platform_part()->SessionManager()->Start();
 576
 577   // Guest user profile is never initialized with locale settings,
 578   // so we need special handling for Guest session.
 579   if (user_manager::UserManager::Get()->IsLoggedInAsGuest())
 580     SetGuestLocale(profile());
 581
 582   peripheral_battery_observer_.reset(new PeripheralBatteryObserver());
 583
 584   renderer_freezer_.reset(
 585       new RendererFreezer(scoped_ptr<RendererFreezer::Delegate>(
 586           new FreezerCgroupProcessManager())));
 587
 588   g_browser_process->platform_part()->InitializeAutomaticRebootManager();
 589   g_browser_process->platform_part()->InitializeDeviceDisablingManager();
 590
 591   // This observer cannot be created earlier because it requires the shell to be
 592   // available.
 593   idle_action_warning_observer_.reset(new IdleActionWarningObserver());
 594
 595   ChromeBrowserMainPartsLinux::PostProfileInit();
 596 }
 597
 598 void ChromeBrowserMainPartsChromeos::PreBrowserStart() {
 599   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 600   // -- just before MetricsService::LogNeedForCleanShutdown().
 601
 602   // Start the external metrics service, which collects metrics from Chrome OS
 603   // and passes them to the browser process.
 604   external_metrics_ = new chromeos::ExternalMetrics;
 605   external_metrics_->Start();
 606
 607 #if defined(USE_X11)
 608   // Listen for system key events so that the user will be able to adjust the
 609   // volume on the login screen, if Chrome is running on Chrome OS
 610   // (i.e. not Linux desktop), and in non-test mode.
 611   // Note: SystemKeyEventListener depends on the DBus thread.
 612   if (base::SysInfo::IsRunningOnChromeOS() &&
 613       !parameters().ui_task) {  // ui_task is non-NULL when running tests.
 614     SystemKeyEventListener::Initialize();
 615   }
 616
 617   // Listen for XI_HierarchyChanged events. Note: if this is moved to
 618   // PreMainMessageLoopRun() then desktopui_PageCyclerTests fail for unknown
 619   // reasons, see http://crosbug.com/24833.
 620   XInputHierarchyChangedEventListener::GetInstance();
 621
 622   // Start the CrOS input device UMA watcher
 623   DeviceUMA::GetInstance();
 624 #endif
 625
 626   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 627   // -- immediately after ChildProcess::WaitForDebugger().
 628
 629   // Start the out-of-memory priority manager here so that we give the most
 630   // amount of time for the other services to start up before we start
 631   // adjusting the oom priority.
 632   g_browser_process->platform_part()->oom_priority_manager()->Start();
 633
 634   if (ui::ShouldDefaultToNaturalScroll()) {
 635     base::CommandLine::ForCurrentProcess()->AppendSwitch(
 636         chromeos::switches::kNaturalScrollDefault);
 637     system::InputDeviceSettings::Get()->SetTapToClick(true);
 638   }
 639
 640   ChromeBrowserMainPartsLinux::PreBrowserStart();
 641 }
 642
 643 void ChromeBrowserMainPartsChromeos::PostBrowserStart() {
 644   // These are dependent on the ash::Shell singleton already having been
 645   // initialized.
 646   // TODO(oshima): Remove ash dependency in PowerButtonObserver.
 647   // crbug.com/408832.
 648   power_button_observer_.reset(new PowerButtonObserver);
 649   data_promo_notification_.reset(new DataPromoNotification());
 650
 651   keyboard_event_rewriters_.reset(new EventRewriterController());
 652   keyboard_event_rewriters_->AddEventRewriter(
 653       scoped_ptr<ui::EventRewriter>(new KeyboardDrivenEventRewriter()));
 654   keyboard_event_rewriters_->AddEventRewriter(scoped_ptr<ui::EventRewriter>(
 655       new EventRewriter(ash::Shell::GetInstance()->sticky_keys_controller())));
 656   keyboard_event_rewriters_->Init();
 657
 658   ChromeBrowserMainPartsLinux::PostBrowserStart();
 659 }
 660
 661 // Shut down services before the browser process, etc are destroyed.
 662 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
 663   BootTimesRecorder::Get()->AddLogoutTimeMarker("UIMessageLoopEnded", true);
 664
 665   g_browser_process->platform_part()->oom_priority_manager()->Stop();
 666
 667   // Early wake-up of HID device service.
 668   InputServiceProxy::WarmUp();
 669
 670   // Destroy the application name notifier for Kiosk mode.
 671   KioskModeIdleAppNameNotification::Shutdown();
 672
 673   // Shutdown the upgrade detector for Chrome OS. The upgrade detector
 674   // stops monitoring changes from the update engine.
 675   if (UpgradeDetectorChromeos::GetInstance())
 676     UpgradeDetectorChromeos::GetInstance()->Shutdown();
 677
 678   // Shutdown the network change notifier for Chrome OS. The network
 679   // change notifier stops monitoring changes from the power manager and
 680   // the network manager.
 681   if (NetworkChangeNotifierFactoryChromeos::GetInstance())
 682     NetworkChangeNotifierFactoryChromeos::GetInstance()->Shutdown();
 683
 684   // Destroy UI related classes before destroying services that they may
 685   // depend on.
 686   data_promo_notification_.reset();
 687
 688   // Tell DeviceSettingsService to stop talking to session_manager. Do not
 689   // shutdown DeviceSettingsService yet, it might still be accessed by
 690   // BrowserPolicyConnector (owned by g_browser_process).
 691   DeviceSettingsService::Get()->UnsetSessionManager();
 692
 693   // We should remove observers attached to D-Bus clients before
 694   // DBusThreadManager is shut down.
 695   peripheral_battery_observer_.reset();
 696   power_prefs_.reset();
 697   renderer_freezer_.reset();
 698   wake_on_wifi_manager_.reset();
 699   ScreenLocker::ShutDownClass();
 700   keyboard_event_rewriters_.reset();
 701 #if defined(USE_X11)
 702   // The XInput2 event listener needs to be shut down earlier than when
 703   // Singletons are finally destroyed in AtExitManager.
 704   XInputHierarchyChangedEventListener::GetInstance()->Stop();
 705
 706   DeviceUMA::GetInstance()->Stop();
 707
 708   // SystemKeyEventListener::Shutdown() is always safe to call,
 709   // even if Initialize() wasn't called.
 710   SystemKeyEventListener::Shutdown();
 711 #endif
 712
 713   // Detach D-Bus clients before DBusThreadManager is shut down.
 714   power_button_observer_.reset();
 715   idle_action_warning_observer_.reset();
 716
 717   MagnificationManager::Shutdown();
 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 DeviceDisablingManager unregister itself as an observer of the
 733   // CrosSettings singleton before it is destroyed.
 734   g_browser_process->platform_part()->ShutdownDeviceDisablingManager();
 735
 736   // Let the AutomaticRebootManager unregister itself as an observer of several
 737   // subsystems.
 738   g_browser_process->platform_part()->ShutdownAutomaticRebootManager();
 739
 740   // Clean up dependency on CrosSettings and stop pending data fetches.
 741   KioskAppManager::Shutdown();
 742
 743   // Give BrowserPolicyConnectorChromeOS a chance to unregister any observers
 744   // on services that are going to be deleted later but before its Shutdown()
 745   // is called.
 746   g_browser_process->platform_part()->browser_policy_connector_chromeos()->
 747       PreShutdown();
 748
 749   // We first call PostMainMessageLoopRun and then destroy UserManager, because
 750   // Ash needs to be closed before UserManager is destroyed.
 751   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 752
 753   input_method::Shutdown();
 754
 755   // Stops all in-flight OAuth2 token fetchers before the IO thread stops.
 756   DeviceOAuth2TokenServiceFactory::Shutdown();
 757
 758   // Shutdown after PostMainMessageLoopRun() which should destroy all observers.
 759   CrasAudioHandler::Shutdown();
 760
 761   // Called after
 762   // ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() to be
 763   // executed after execution of chrome::CloseAsh(), because some
 764   // parts of WebUI depends on NetworkPortalDetector.
 765   NetworkPortalDetector::Shutdown();
 766
 767   g_browser_process->platform_part()->DestroyChromeUserManager();
 768
 769   g_browser_process->platform_part()->ShutdownSessionManager();
 770 }
 771
 772 void ChromeBrowserMainPartsChromeos::PostDestroyThreads() {
 773   // Destroy DBus services immediately after threads are stopped.
 774   dbus_services_.reset();
 775
 776   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 777
 778   // Destroy DeviceSettingsService after g_browser_process.
 779   DeviceSettingsService::Shutdown();
 780 }
 781
 782 }  //  namespace chromeos