src/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/input_method/input_method_configuration.h"
  41 #include "chrome/browser/chromeos/input_method/input_method_util.h"
  42 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
  43 #include "chrome/browser/chromeos/language_preferences.h"
  44 #include "chrome/browser/chromeos/login/helper.h"
  45 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
  46 #include "chrome/browser/chromeos/login/login_wizard.h"
  47 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
  48 #include "chrome/browser/chromeos/login/startup_utils.h"
  49 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
  50 #include "chrome/browser/chromeos/login/wizard_controller.h"
  51 #include "chrome/browser/chromeos/memory/oom_priority_manager.h"
  52 #include "chrome/browser/chromeos/net/network_portal_detector_impl.h"
  53 #include "chrome/browser/chromeos/options/cert_library.h"
  54 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos_factory.h"
  55 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  56 #include "chrome/browser/chromeos/policy/device_local_account.h"
  57 #include "chrome/browser/chromeos/power/freezer_cgroup_process_manager.h"
  58 #include "chrome/browser/chromeos/power/idle_action_warning_observer.h"
  59 #include "chrome/browser/chromeos/power/light_bar.h"
  60 #include "chrome/browser/chromeos/power/peripheral_battery_observer.h"
  61 #include "chrome/browser/chromeos/power/power_button_observer.h"
  62 #include "chrome/browser/chromeos/power/power_data_collector.h"
  63 #include "chrome/browser/chromeos/power/power_prefs.h"
  64 #include "chrome/browser/chromeos/power/renderer_freezer.h"
  65 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  66 #include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
  67 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  68 #include "chrome/browser/chromeos/status/data_promo_notification.h"
  69 #include "chrome/browser/chromeos/system/input_device_settings.h"
  70 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
  71 #include "chrome/browser/defaults.h"
  72 #include "chrome/browser/lifetime/application_lifetime.h"
  73 #include "chrome/browser/net/chrome_network_delegate.h"
  74 #include "chrome/browser/profiles/profile.h"
  75 #include "chrome/browser/profiles/profile_manager.h"
  76 #include "chrome/browser/rlz/rlz.h"
  77 #include "chrome/browser/ui/ash/network_connect_delegate_chromeos.h"
  78 #include "chrome/common/chrome_constants.h"
  79 #include "chrome/common/chrome_paths.h"
  80 #include "chrome/common/chrome_switches.h"
  81 #include "chrome/common/chrome_version_info.h"
  82 #include "chrome/common/logging_chrome.h"
  83 #include "chrome/common/pref_names.h"
  84 #include "chromeos/audio/audio_devices_pref_handler.h"
  85 #include "chromeos/audio/cras_audio_handler.h"
  86 #include "chromeos/cert_loader.h"
  87 #include "chromeos/chromeos_paths.h"
  88 #include "chromeos/chromeos_switches.h"
  89 #include "chromeos/cryptohome/async_method_caller.h"
  90 #include "chromeos/cryptohome/homedir_methods.h"
  91 #include "chromeos/cryptohome/system_salt_getter.h"
  92 #include "chromeos/dbus/dbus_thread_manager.h"
  93 #include "chromeos/dbus/session_manager_client.h"
  94 #include "chromeos/disks/disk_mount_manager.h"
  95 #include "chromeos/ime/ime_keyboard.h"
  96 #include "chromeos/ime/input_method_manager.h"
  97 #include "chromeos/login/login_state.h"
  98 #include "chromeos/login/user_names.h"
  99 #include "chromeos/login_event_recorder.h"
 100 #include "chromeos/network/network_change_notifier_chromeos.h"
 101 #include "chromeos/network/network_change_notifier_factory_chromeos.h"
 102 #include "chromeos/network/network_handler.h"
 103 #include "chromeos/system/statistics_provider.h"
 104 #include "chromeos/tpm_token_loader.h"
 105 #include "components/metrics/metrics_service.h"
 106 #include "components/ownership/owner_key_util.h"
 107 #include "components/session_manager/core/session_manager.h"
 108 #include "components/user_manager/user.h"
 109 #include "components/user_manager/user_manager.h"
 110 #include "content/public/browser/browser_thread.h"
 111 #include "content/public/browser/notification_service.h"
 112 #include "content/public/browser/power_save_blocker.h"
 113 #include "content/public/common/main_function_params.h"
 114 #include "media/audio/sounds/sounds_manager.h"
 115 #include "net/base/network_change_notifier.h"
 116 #include "net/socket/ssl_server_socket.h"
 117 #include "net/url_request/url_request.h"
 118 #include "net/url_request/url_request_context_getter.h"
 119 #include "ui/base/touch/touch_device.h"
 120 #include "ui/events/event_utils.h"
 121
 122 // Exclude X11 dependents for ozone
 123 #if defined(USE_X11)
 124 #include "chrome/browser/chromeos/device_uma.h"
 125 #include "chrome/browser/chromeos/events/system_key_event_listener.h"
 126 #include "chrome/browser/chromeos/events/xinput_hierarchy_changed_event_listener.h"
 127 #endif
 128
 129 #if !defined(USE_ATHENA)
 130 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout.h"
 131 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.h"
 132 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
 133 #endif
 134
 135 namespace chromeos {
 136
 137 namespace {
 138
 139 void ChromeOSVersionCallback(const std::string& version) {
 140   base::SetLinuxDistro(std::string("CrOS ") + version);
 141 }
 142
 143 bool ShouldAutoLaunchKioskApp(const base::CommandLine& command_line) {
 144   KioskAppManager* app_manager = KioskAppManager::Get();
 145   return command_line.HasSwitch(switches::kLoginManager) &&
 146       !command_line.HasSwitch(switches::kForceLoginManagerInTests) &&
 147       app_manager->IsAutoLaunchEnabled() &&
 148       KioskAppLaunchError::Get() == KioskAppLaunchError::NONE;
 149 }
 150
 151 }  // namespace
 152
 153 namespace internal {
 154
 155 // Wrapper class for initializing dbus related services and shutting them
 156 // down. This gets instantiated in a scoped_ptr so that shutdown methods in the
 157 // destructor will get called if and only if this has been instantiated.
 158 class DBusServices {
 159  public:
 160   explicit DBusServices(const content::MainFunctionParams& parameters) {
 161     // Initialize DBusThreadManager for the browser. This must be done after
 162     // the main message loop is started, as it uses the message loop.
 163     DBusThreadManager::Initialize();
 164     CrosDBusService::Initialize();
 165
 166     // Initialize PowerDataCollector after DBusThreadManager is initialized.
 167     PowerDataCollector::Initialize();
 168
 169     LoginState::Initialize();
 170     SystemSaltGetter::Initialize();
 171     TPMTokenLoader::Initialize();
 172     CertLoader::Initialize();
 173
 174     disks::DiskMountManager::Initialize();
 175     cryptohome::AsyncMethodCaller::Initialize();
 176     cryptohome::HomedirMethods::Initialize();
 177
 178     NetworkHandler::Initialize();
 179     CertLibrary::Initialize();
 180
 181     // Initialize the network change notifier for Chrome OS. The network
 182     // change notifier starts to monitor changes from the power manager and
 183     // the network manager.
 184     NetworkChangeNotifierFactoryChromeos::GetInstance()->Initialize();
 185
 186     // Initialize the NetworkConnect handler.
 187     network_connect_delegate_.reset(new NetworkConnectDelegateChromeOS);
 188     ui::NetworkConnect::Initialize(network_connect_delegate_.get());
 189
 190     // Likewise, initialize the upgrade detector for Chrome OS. The upgrade
 191     // detector starts to monitor changes from the update engine.
 192     UpgradeDetectorChromeos::GetInstance()->Init();
 193
 194     // Initialize the device settings service so that we'll take actions per
 195     // signals sent from the session manager. This needs to happen before
 196     // g_browser_process initializes BrowserPolicyConnector.
 197     DeviceSettingsService::Initialize();
 198     DeviceSettingsService::Get()->SetSessionManager(
 199         DBusThreadManager::Get()->GetSessionManagerClient(),
 200         OwnerSettingsServiceChromeOSFactory::GetInstance()->GetOwnerKeyUtil());
 201   }
 202
 203   ~DBusServices() {
 204     ui::NetworkConnect::Shutdown();
 205     network_connect_delegate_.reset();
 206
 207     CertLibrary::Shutdown();
 208     NetworkHandler::Shutdown();
 209
 210     cryptohome::AsyncMethodCaller::Shutdown();
 211     disks::DiskMountManager::Shutdown();
 212
 213     SystemSaltGetter::Shutdown();
 214     LoginState::Shutdown();
 215     CertLoader::Shutdown();
 216     TPMTokenLoader::Shutdown();
 217
 218     CrosDBusService::Shutdown();
 219
 220     // Shutdown the PowerDataCollector before shutting down DBusThreadManager.
 221     PowerDataCollector::Shutdown();
 222
 223     // NOTE: This must only be called if Initialize() was called.
 224     DBusThreadManager::Shutdown();
 225   }
 226
 227  private:
 228   scoped_ptr<NetworkConnectDelegateChromeOS> network_connect_delegate_;
 229
 230   DISALLOW_COPY_AND_ASSIGN(DBusServices);
 231 };
 232
 233 }  //  namespace internal
 234
 235 // ChromeBrowserMainPartsChromeos ----------------------------------------------
 236
 237 ChromeBrowserMainPartsChromeos::ChromeBrowserMainPartsChromeos(
 238     const content::MainFunctionParams& parameters)
 239     : ChromeBrowserMainPartsLinux(parameters) {
 240 }
 241
 242 ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
 243 #if !defined(USE_ATHENA)
 244   if (KioskModeSettings::Get()->IsKioskModeEnabled())
 245     ShutdownKioskModeScreensaver();
 246 #endif
 247
 248   // To be precise, logout (browser shutdown) is not yet done, but the
 249   // remaining work is negligible, hence we say LogoutDone here.
 250   BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone", false);
 251   BootTimesLoader::Get()->WriteLogoutTimes();
 252 }
 253
 254 // content::BrowserMainParts and ChromeBrowserMainExtraParts overrides ---------
 255
 256 void ChromeBrowserMainPartsChromeos::PreEarlyInitialization() {
 257   CommandLine* singleton_command_line = CommandLine::ForCurrentProcess();
 258
 259   if (parsed_command_line().HasSwitch(switches::kGuestSession)) {
 260     // Disable sync and extensions if we're in "browse without sign-in" mode.
 261     singleton_command_line->AppendSwitch(::switches::kDisableSync);
 262     singleton_command_line->AppendSwitch(::switches::kDisableExtensions);
 263     browser_defaults::bookmarks_enabled = false;
 264   }
 265
 266   // If we're not running on real Chrome OS hardware (or under VM), and are not
 267   // showing the login manager or attempting a command line login, login with a
 268   // stub user.
 269   if (!base::SysInfo::IsRunningOnChromeOS() &&
 270       !parsed_command_line().HasSwitch(switches::kLoginManager) &&
 271       !parsed_command_line().HasSwitch(switches::kLoginUser) &&
 272       !parsed_command_line().HasSwitch(switches::kGuestSession)) {
 273     singleton_command_line->AppendSwitchASCII(switches::kLoginUser,
 274                                               chromeos::login::kStubUser);
 275     if (!parsed_command_line().HasSwitch(switches::kLoginProfile)) {
 276       singleton_command_line->AppendSwitchASCII(switches::kLoginProfile,
 277                                                 chrome::kTestUserProfileDir);
 278     }
 279     LOG(WARNING) << "Running as stub user with profile dir: "
 280                  << singleton_command_line->GetSwitchValuePath(
 281                      switches::kLoginProfile).value();
 282   }
 283
 284 #if defined(GOOGLE_CHROME_BUILD)
 285   const char kChromeOSReleaseTrack[] = "CHROMEOS_RELEASE_TRACK";
 286   std::string channel;
 287   if (base::SysInfo::GetLsbReleaseValue(kChromeOSReleaseTrack, &channel))
 288     chrome::VersionInfo::SetChannel(channel);
 289 #endif
 290
 291   ChromeBrowserMainPartsLinux::PreEarlyInitialization();
 292 }
 293
 294 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopStart() {
 295   // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
 296   // implementation. This must be done before BrowserMainLoop calls
 297   // net::NetworkChangeNotifier::Create() in MainMessageLoopStart().
 298   net::NetworkChangeNotifier::SetFactory(
 299       new NetworkChangeNotifierFactoryChromeos());
 300   ChromeBrowserMainPartsLinux::PreMainMessageLoopStart();
 301 }
 302
 303 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
 304   base::FilePath user_data_dir;
 305   if (!base::SysInfo::IsRunningOnChromeOS() &&
 306       PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
 307     // Override some paths with stub locations so that cloud policy and
 308     // enterprise enrollment work on desktop builds, for ease of
 309     // development.
 310     chromeos::RegisterStubPathOverrides(user_data_dir);
 311   }
 312
 313   dbus_services_.reset(new internal::DBusServices(parameters()));
 314
 315   // Enable support for SSL server sockets, which must be done while still
 316   // single-threaded.  This is required for remote assistance host on Chrome OS.
 317   net::EnableSSLServerSockets();
 318
 319   ChromeBrowserMainPartsLinux::PostMainMessageLoopStart();
 320 }
 321
 322 // Threads are initialized between MainMessageLoopStart and MainMessageLoopRun.
 323 // about_flags settings are applied in ChromeBrowserMainParts::PreCreateThreads.
 324 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
 325   // Set the crypto thread after the IO thread has been created/started.
 326   TPMTokenLoader::Get()->SetCryptoTaskRunner(
 327       content::BrowserThread::GetMessageLoopProxyForThread(
 328           content::BrowserThread::IO));
 329
 330   CrasAudioHandler::Initialize(
 331       AudioDevicesPrefHandler::Create(g_browser_process->local_state()));
 332
 333   // Start loading machine statistics here. StatisticsProvider::Shutdown()
 334   // will ensure that loading is aborted on early exit.
 335   bool load_oem_statistics = !StartupUtils::IsOobeCompleted();
 336   system::StatisticsProvider::GetInstance()->StartLoadingMachineStatistics(
 337       content::BrowserThread::GetMessageLoopProxyForThread(
 338           content::BrowserThread::FILE),
 339       load_oem_statistics);
 340
 341   base::FilePath downloads_directory;
 342   CHECK(PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &downloads_directory));
 343
 344   DeviceOAuth2TokenServiceFactory::Initialize();
 345
 346   ChromeBrowserMainPartsLinux::PreMainMessageLoopRun();
 347 }
 348
 349 void ChromeBrowserMainPartsChromeos::PreProfileInit() {
 350   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 351   // -- immediately before Profile creation().
 352
 353   // Now that the file thread exists we can record our stats.
 354   BootTimesLoader::Get()->RecordChromeMainStats();
 355   LoginEventRecorder::Get()->SetDelegate(BootTimesLoader::Get());
 356
 357   // Trigger prefetching of ownership status.
 358   DeviceSettingsService::Get()->Load();
 359
 360   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 361   // -- just before CreateProfile().
 362
 363   g_browser_process->platform_part()->InitializeChromeUserManager();
 364
 365 #if defined(USE_ATHENA)
 366   ScreenLocker::InitClass();
 367 #else
 368   // Initialize the screen locker now so that it can receive
 369   // LOGIN_USER_CHANGED notification from UserManager.
 370   if (KioskModeSettings::Get()->IsKioskModeEnabled())
 371     KioskModeIdleLogout::Initialize();
 372   else
 373     ScreenLocker::InitClass();
 374 #endif
 375
 376   // This forces the ProfileManager to be created and register for the
 377   // notification it needs to track the logged in user.
 378   g_browser_process->profile_manager();
 379
 380   // AccessibilityManager and SystemKeyEventListener use InputMethodManager.
 381   input_method::Initialize();
 382
 383   // ProfileHelper has to be initialized after UserManager instance is created.
 384   ProfileHelper::Get()->Initialize();
 385
 386   // TODO(abarth): Should this move to InitializeNetworkOptions()?
 387   // Allow access to file:// on ChromeOS for tests.
 388   if (parsed_command_line().HasSwitch(::switches::kAllowFileAccess))
 389     ChromeNetworkDelegate::AllowAccessToAllFiles();
 390
 391   // If kLoginUser is passed this indicates that user has already
 392   // logged in and we should behave accordingly.
 393   bool immediate_login =
 394       parsed_command_line().HasSwitch(switches::kLoginUser);
 395   if (immediate_login){
 396     // Redirects Chrome logging to the user data dir.
 397     logging::RedirectChromeLogging(parsed_command_line());
 398
 399     // Load the default app order synchronously for restarting case.
 400     app_order_loader_.reset(
 401         new default_app_order::ExternalLoader(false /* async */));
 402   }
 403
 404   if (!app_order_loader_) {
 405     app_order_loader_.reset(
 406         new default_app_order::ExternalLoader(true /* async */));
 407   }
 408
 409   media::SoundsManager::Create();
 410
 411   // Initialize magnification manager before ash tray is created. And this must
 412   // be placed after UserManager::SessionStarted();
 413   AccessibilityManager::Initialize();
 414 #if !defined(USE_ATHENA)
 415   // TODO(oshima): MagnificationManager/WallpaperManager depends on ash.
 416   // crbug.com/408733, crbug.com/408734.
 417   MagnificationManager::Initialize();
 418
 419   // Add observers for WallpaperManager. This depends on PowerManagerClient,
 420   // TimezoneSettings and CrosSettings.
 421   WallpaperManager::Get()->AddObservers();
 422 #endif
 423
 424   cros_version_loader_.GetVersion(VersionLoader::VERSION_FULL,
 425                                   base::Bind(&ChromeOSVersionCallback),
 426                                   &tracker_);
 427
 428   // Make sure that wallpaper boot transition and other delays in OOBE
 429   // are disabled for tests and kiosk app launch by default.
 430   // Individual tests may enable them if they want.
 431   if (parsed_command_line().HasSwitch(::switches::kTestType) ||
 432       ShouldAutoLaunchKioskApp(parsed_command_line())) {
 433     WizardController::SetZeroDelays();
 434   }
 435
 436   power_prefs_.reset(new PowerPrefs(
 437       DBusThreadManager::Get()->GetPowerPolicyController()));
 438
 439   // In Aura builds this will initialize ash::Shell.
 440   ChromeBrowserMainPartsLinux::PreProfileInit();
 441
 442   if (immediate_login) {
 443     const std::string user_id = login::CanonicalizeUserID(
 444         parsed_command_line().GetSwitchValueASCII(switches::kLoginUser));
 445     user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 446
 447     if (policy::IsDeviceLocalAccountUser(user_id, NULL) &&
 448         !user_manager->IsKnownUser(user_id)) {
 449       // When a device-local account is removed, its policy is deleted from disk
 450       // immediately. If a session using this account happens to be in progress,
 451       // the session is allowed to continue with policy served from an in-memory
 452       // cache. If Chrome crashes later in the session, the policy becomes
 453       // completely unavailable. Exit the session in that case, rather than
 454       // allowing it to continue without policy.
 455       chrome::AttemptUserExit();
 456       return;
 457     }
 458
 459     // In case of multi-profiles --login-profile will contain user_id_hash.
 460     std::string user_id_hash =
 461         parsed_command_line().GetSwitchValueASCII(switches::kLoginProfile);
 462     user_manager->UserLoggedIn(user_id, user_id_hash, true);
 463     VLOG(1) << "Relaunching browser for user: " << user_id
 464             << " with hash: " << user_id_hash;
 465   }
 466 }
 467
 468 class GuestLanguageSetCallbackData {
 469  public:
 470   explicit GuestLanguageSetCallbackData(Profile* profile) : profile(profile) {
 471   }
 472
 473   // Must match SwitchLanguageCallback type.
 474   static void Callback(const scoped_ptr<GuestLanguageSetCallbackData>& self,
 475                        const std::string& locale,
 476                        const std::string& loaded_locale,
 477                        bool success);
 478
 479   Profile* profile;
 480 };
 481
 482 // static
 483 void GuestLanguageSetCallbackData::Callback(
 484     const scoped_ptr<GuestLanguageSetCallbackData>& self,
 485     const std::string& locale,
 486     const std::string& loaded_locale,
 487     bool success) {
 488   input_method::InputMethodManager* manager =
 489       input_method::InputMethodManager::Get();
 490   scoped_refptr<input_method::InputMethodManager::State> ime_state =
 491       manager->GetActiveIMEState();
 492   // Active layout must be hardware "login layout".
 493   // The previous one must be "locale default layout".
 494   // First, enable all hardware input methods.
 495   const std::vector<std::string>& input_methods =
 496       manager->GetInputMethodUtil()->GetHardwareInputMethodIds();
 497   for (size_t i = 0; i < input_methods.size(); ++i)
 498     ime_state->EnableInputMethod(input_methods[i]);
 499
 500   // Second, enable locale based input methods.
 501   const std::string locale_default_input_method =
 502       manager->GetInputMethodUtil()->GetLanguageDefaultInputMethodId(
 503           loaded_locale);
 504   if (!locale_default_input_method.empty()) {
 505     PrefService* user_prefs = self->profile->GetPrefs();
 506     user_prefs->SetString(prefs::kLanguagePreviousInputMethod,
 507                           locale_default_input_method);
 508     ime_state->EnableInputMethod(locale_default_input_method);
 509   }
 510
 511   // Finally, activate the first login input method.
 512   const std::vector<std::string>& login_input_methods =
 513       manager->GetInputMethodUtil()->GetHardwareLoginInputMethodIds();
 514   ime_state->ChangeInputMethod(login_input_methods[0],
 515                                false /* show_message */);
 516 }
 517
 518 void SetGuestLocale(Profile* const profile) {
 519   scoped_ptr<GuestLanguageSetCallbackData> data(
 520       new GuestLanguageSetCallbackData(profile));
 521   scoped_ptr<locale_util::SwitchLanguageCallback> callback(
 522       new locale_util::SwitchLanguageCallback(base::Bind(
 523           &GuestLanguageSetCallbackData::Callback, base::Passed(data.Pass()))));
 524   user_manager::User* const user =
 525       ProfileHelper::Get()->GetUserByProfile(profile);
 526   UserSessionManager::GetInstance()->RespectLocalePreference(
 527       profile, user, callback.Pass());
 528 }
 529
 530 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
 531   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 532   // -- just after CreateProfile().
 533
 534   BootTimesLoader::Get()->OnChromeProcessStart();
 535
 536   // Initialize the network portal detector for Chrome OS. The network
 537   // portal detector starts to listen for notifications from
 538   // NetworkStateHandler and initiates captive portal detection for
 539   // active networks. Should be called before call to CreateSessionManager,
 540   // because it depends on NetworkPortalDetector.
 541   NetworkPortalDetectorImpl::Initialize(
 542       g_browser_process->system_request_context());
 543   {
 544     NetworkPortalDetector* detector = NetworkPortalDetector::Get();
 545 #if defined(GOOGLE_CHROME_BUILD)
 546     bool is_official_build = true;
 547 #else
 548     bool is_official_build = false;
 549 #endif
 550     // Enable portal detector if EULA was previously accepted or if
 551     // this is an unofficial build.
 552     if (!is_official_build || StartupUtils::IsEulaAccepted())
 553       detector->Enable(true);
 554   }
 555
 556   // Initialize input methods.
 557   input_method::InputMethodManager* manager =
 558       input_method::InputMethodManager::Get();
 559   UserSessionManager* session_manager = UserSessionManager::GetInstance();
 560   DCHECK(manager);
 561   DCHECK(session_manager);
 562
 563   manager->SetState(session_manager->GetDefaultIMEState(profile()));
 564
 565   bool is_running_test = parameters().ui_task != NULL;
 566   g_browser_process->platform_part()->InitializeSessionManager(
 567       parsed_command_line(), profile(), is_running_test);
 568   g_browser_process->platform_part()->SessionManager()->Start();
 569
 570   // Guest user profile is never initialized with locale settings,
 571   // so we need special handling for Guest session.
 572   if (user_manager::UserManager::Get()->IsLoggedInAsGuest())
 573     SetGuestLocale(profile());
 574
 575   // These observers must be initialized after the profile because
 576   // they use the profile to dispatch extension events.
 577   extension_system_event_observer_.reset(new ExtensionSystemEventObserver());
 578   if (KioskModeSettings::Get()->IsKioskModeEnabled()) {
 579     retail_mode_power_save_blocker_ = content::PowerSaveBlocker::Create(
 580         content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
 581         "Retail mode");
 582   }
 583
 584   peripheral_battery_observer_.reset(new PeripheralBatteryObserver());
 585
 586   renderer_freezer_.reset(
 587       new RendererFreezer(scoped_ptr<RendererFreezer::Delegate>(
 588           new FreezerCgroupProcessManager())));
 589   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kWakeOnPackets))
 590     light_bar_.reset(new LightBar());
 591
 592   g_browser_process->platform_part()->InitializeAutomaticRebootManager();
 593   g_browser_process->platform_part()->InitializeDeviceDisablingManager();
 594
 595   // This observer cannot be created earlier because it requires the shell to be
 596   // available.
 597   idle_action_warning_observer_.reset(new IdleActionWarningObserver());
 598
 599   ChromeBrowserMainPartsLinux::PostProfileInit();
 600 }
 601
 602 void ChromeBrowserMainPartsChromeos::PreBrowserStart() {
 603   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 604   // -- just before MetricsService::LogNeedForCleanShutdown().
 605
 606   // Start the external metrics service, which collects metrics from Chrome OS
 607   // and passes them to the browser process.
 608   external_metrics_ = new chromeos::ExternalMetrics;
 609   external_metrics_->Start();
 610
 611 #if defined(USE_X11)
 612   // Listen for system key events so that the user will be able to adjust the
 613   // volume on the login screen, if Chrome is running on Chrome OS
 614   // (i.e. not Linux desktop), and in non-test mode.
 615   // Note: SystemKeyEventListener depends on the DBus thread.
 616   if (base::SysInfo::IsRunningOnChromeOS() &&
 617       !parameters().ui_task) {  // ui_task is non-NULL when running tests.
 618     SystemKeyEventListener::Initialize();
 619   }
 620
 621   // Listen for XI_HierarchyChanged events. Note: if this is moved to
 622   // PreMainMessageLoopRun() then desktopui_PageCyclerTests fail for unknown
 623   // reasons, see http://crosbug.com/24833.
 624   XInputHierarchyChangedEventListener::GetInstance();
 625
 626   // Start the CrOS input device UMA watcher
 627   DeviceUMA::GetInstance();
 628 #endif
 629
 630   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 631   // -- immediately after ChildProcess::WaitForDebugger().
 632
 633   // Start the out-of-memory priority manager here so that we give the most
 634   // amount of time for the other services to start up before we start
 635   // adjusting the oom priority.
 636   g_browser_process->platform_part()->oom_priority_manager()->Start();
 637
 638   if (ui::ShouldDefaultToNaturalScroll()) {
 639     CommandLine::ForCurrentProcess()->AppendSwitch(
 640         chromeos::switches::kNaturalScrollDefault);
 641     system::InputDeviceSettings::Get()->SetTapToClick(true);
 642   }
 643
 644   ChromeBrowserMainPartsLinux::PreBrowserStart();
 645 }
 646
 647 void ChromeBrowserMainPartsChromeos::PostBrowserStart() {
 648   // These are dependent on the ash::Shell singleton already having been
 649   // initialized.
 650 #if !defined(USE_ATHENA)
 651   // TODO(oshima): Remove ash dependency in PowerButtonObserver.
 652   // crbug.com/408832.
 653   power_button_observer_.reset(new PowerButtonObserver);
 654 #endif
 655   data_promo_notification_.reset(new DataPromoNotification());
 656
 657 #if !defined(USE_ATHENA)
 658   // TODO(oshima): Support accessibility on athena. crbug.com/408733.
 659   keyboard_event_rewriters_.reset(new EventRewriterController());
 660   keyboard_event_rewriters_->AddEventRewriter(
 661       scoped_ptr<ui::EventRewriter>(new KeyboardDrivenEventRewriter()));
 662   keyboard_event_rewriters_->AddEventRewriter(scoped_ptr<ui::EventRewriter>(
 663       new EventRewriter(ash::Shell::GetInstance()->sticky_keys_controller())));
 664   keyboard_event_rewriters_->Init();
 665 #endif
 666
 667   ChromeBrowserMainPartsLinux::PostBrowserStart();
 668 }
 669
 670 // Shut down services before the browser process, etc are destroyed.
 671 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
 672   BootTimesLoader::Get()->AddLogoutTimeMarker("UIMessageLoopEnded", true);
 673
 674   g_browser_process->platform_part()->oom_priority_manager()->Stop();
 675
 676   // Early wake-up of HID device service.
 677   InputServiceProxy::WarmUp();
 678
 679   // Destroy the application name notifier for Kiosk mode.
 680   KioskModeIdleAppNameNotification::Shutdown();
 681
 682   // Shutdown the upgrade detector for Chrome OS. The upgrade detector
 683   // stops monitoring changes from the update engine.
 684   if (UpgradeDetectorChromeos::GetInstance())
 685     UpgradeDetectorChromeos::GetInstance()->Shutdown();
 686
 687   // Shutdown the network change notifier for Chrome OS. The network
 688   // change notifier stops monitoring changes from the power manager and
 689   // the network manager.
 690   if (NetworkChangeNotifierFactoryChromeos::GetInstance())
 691     NetworkChangeNotifierFactoryChromeos::GetInstance()->Shutdown();
 692
 693   // Destroy UI related classes before destroying services that they may
 694   // depend on.
 695   data_promo_notification_.reset();
 696
 697   // Tell DeviceSettingsService to stop talking to session_manager. Do not
 698   // shutdown DeviceSettingsService yet, it might still be accessed by
 699   // BrowserPolicyConnector (owned by g_browser_process).
 700   DeviceSettingsService::Get()->UnsetSessionManager();
 701
 702   // We should remove observers attached to D-Bus clients before
 703   // DBusThreadManager is shut down.
 704   extension_system_event_observer_.reset();
 705   retail_mode_power_save_blocker_.reset();
 706   peripheral_battery_observer_.reset();
 707   power_prefs_.reset();
 708   renderer_freezer_.reset();
 709   light_bar_.reset();
 710
 711   // Let the ScreenLocker unregister itself from SessionManagerClient before
 712   // DBusThreadManager is shut down.
 713   if (!KioskModeSettings::Get()->IsKioskModeEnabled())
 714     ScreenLocker::ShutDownClass();
 715
 716   keyboard_event_rewriters_.reset();
 717 #if defined(USE_X11)
 718   // The XInput2 event listener needs to be shut down earlier than when
 719   // Singletons are finally destroyed in AtExitManager.
 720   XInputHierarchyChangedEventListener::GetInstance()->Stop();
 721
 722   DeviceUMA::GetInstance()->Stop();
 723
 724   // SystemKeyEventListener::Shutdown() is always safe to call,
 725   // even if Initialize() wasn't called.
 726   SystemKeyEventListener::Shutdown();
 727 #endif
 728
 729   CrasAudioHandler::Shutdown();
 730
 731   // Detach D-Bus clients before DBusThreadManager is shut down.
 732   power_button_observer_.reset();
 733   idle_action_warning_observer_.reset();
 734
 735 #if !defined(USE_ATHENA)
 736   MagnificationManager::Shutdown();
 737 #endif
 738
 739   AccessibilityManager::Shutdown();
 740
 741   media::SoundsManager::Shutdown();
 742
 743   system::StatisticsProvider::GetInstance()->Shutdown();
 744
 745   // Let the UserManager and WallpaperManager unregister itself as an observer
 746   // of the CrosSettings singleton before it is destroyed. This also ensures
 747   // that the UserManager has no URLRequest pending (see
 748   // http://crbug.com/276659).
 749   g_browser_process->platform_part()->user_manager()->Shutdown();
 750 #if !defined(USE_ATHENA)
 751   WallpaperManager::Get()->Shutdown();
 752 #endif
 753
 754   // Let the DeviceDisablingManager unregister itself as an observer of the
 755   // CrosSettings singleton before it is destroyed.
 756   g_browser_process->platform_part()->ShutdownDeviceDisablingManager();
 757
 758   // Let the AutomaticRebootManager unregister itself as an observer of several
 759   // subsystems.
 760   g_browser_process->platform_part()->ShutdownAutomaticRebootManager();
 761
 762   // Clean up dependency on CrosSettings and stop pending data fetches.
 763   KioskAppManager::Shutdown();
 764
 765   // Give BrowserPolicyConnectorChromeOS a chance to unregister any observers
 766   // on services that are going to be deleted later but before its Shutdown()
 767   // is called.
 768   g_browser_process->platform_part()->browser_policy_connector_chromeos()->
 769       PreShutdown();
 770
 771   // We first call PostMainMessageLoopRun and then destroy UserManager, because
 772   // Ash needs to be closed before UserManager is destroyed.
 773   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 774
 775   input_method::Shutdown();
 776
 777   // Stops all in-flight OAuth2 token fetchers before the IO thread stops.
 778   DeviceOAuth2TokenServiceFactory::Shutdown();
 779
 780   // Called after
 781   // ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() to be
 782   // executed after execution of chrome::CloseAsh(), because some
 783   // parts of WebUI depends on NetworkPortalDetector.
 784   NetworkPortalDetector::Shutdown();
 785
 786   g_browser_process->platform_part()->DestroyChromeUserManager();
 787
 788   g_browser_process->platform_part()->ShutdownSessionManager();
 789 }
 790
 791 void ChromeBrowserMainPartsChromeos::PostDestroyThreads() {
 792   // Destroy DBus services immediately after threads are stopped.
 793   dbus_services_.reset();
 794
 795   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 796
 797   // Destroy DeviceSettingsService after g_browser_process.
 798   DeviceSettingsService::Shutdown();
 799 }
 800
 801 }  //  namespace chromeos