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/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/events/event_rewriter.h"
  34 #include "chrome/browser/chromeos/events/system_key_event_listener.h"
  35 #include "chrome/browser/chromeos/events/xinput_hierarchy_changed_event_listener.h"
  36 #include "chrome/browser/chromeos/extensions/default_app_order.h"
  37 #include "chrome/browser/chromeos/extensions/extension_system_event_observer.h"
  38 #include "chrome/browser/chromeos/external_metrics.h"
  39 #include "chrome/browser/chromeos/imageburner/burn_manager.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_idle_logout.h"
  43 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.h"
  44 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
  45 #include "chrome/browser/chromeos/language_preferences.h"
  46 #include "chrome/browser/chromeos/login/authenticator.h"
  47 #include "chrome/browser/chromeos/login/login_utils.h"
  48 #include "chrome/browser/chromeos/login/login_wizard.h"
  49 #include "chrome/browser/chromeos/login/screen_locker.h"
  50 #include "chrome/browser/chromeos/login/startup_utils.h"
  51 #include "chrome/browser/chromeos/login/user_manager.h"
  52 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
  53 #include "chrome/browser/chromeos/login/wizard_controller.h"
  54 #include "chrome/browser/chromeos/memory/oom_priority_manager.h"
  55 #include "chrome/browser/chromeos/net/network_portal_detector.h"
  56 #include "chrome/browser/chromeos/options/cert_library.h"
  57 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  58 #include "chrome/browser/chromeos/power/idle_action_warning_observer.h"
  59 #include "chrome/browser/chromeos/power/peripheral_battery_observer.h"
  60 #include "chrome/browser/chromeos/power/power_button_observer.h"
  61 #include "chrome/browser/chromeos/power/power_data_collector.h"
  62 #include "chrome/browser/chromeos/power/power_prefs.h"
  63 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  64 #include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
  65 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  66 #include "chrome/browser/chromeos/settings/owner_key_util.h"
  67 #include "chrome/browser/chromeos/status/data_promo_notification.h"
  68 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
  69 #include "chrome/browser/defaults.h"
  70 #include "chrome/browser/metrics/metrics_service.h"
  71 #include "chrome/browser/net/chrome_network_delegate.h"
  72 #include "chrome/browser/profiles/profile.h"
  73 #include "chrome/browser/profiles/profile_manager.h"
  74 #include "chrome/browser/rlz/rlz.h"
  75 #include "chrome/common/chrome_constants.h"
  76 #include "chrome/common/chrome_paths.h"
  77 #include "chrome/common/chrome_switches.h"
  78 #include "chrome/common/chrome_version_info.h"
  79 #include "chrome/common/logging_chrome.h"
  80 #include "chrome/common/pref_names.h"
  81 #include "chromeos/audio/audio_devices_pref_handler.h"
  82 #include "chromeos/audio/cras_audio_handler.h"
  83 #include "chromeos/cert_loader.h"
  84 #include "chromeos/chromeos_paths.h"
  85 #include "chromeos/chromeos_switches.h"
  86 #include "chromeos/cryptohome/async_method_caller.h"
  87 #include "chromeos/cryptohome/homedir_methods.h"
  88 #include "chromeos/cryptohome/system_salt_getter.h"
  89 #include "chromeos/dbus/dbus_thread_manager.h"
  90 #include "chromeos/dbus/power_policy_controller.h"
  91 #include "chromeos/dbus/session_manager_client.h"
  92 #include "chromeos/disks/disk_mount_manager.h"
  93 #include "chromeos/ime/input_method_manager.h"
  94 #include "chromeos/ime/xkeyboard.h"
  95 #include "chromeos/login/login_state.h"
  96 #include "chromeos/network/network_change_notifier_chromeos.h"
  97 #include "chromeos/network/network_change_notifier_factory_chromeos.h"
  98 #include "chromeos/network/network_handler.h"
  99 #include "chromeos/system/statistics_provider.h"
 100 #include "chromeos/tpm_token_loader.h"
 101 #include "content/public/browser/browser_thread.h"
 102 #include "content/public/browser/notification_service.h"
 103 #include "content/public/browser/power_save_blocker.h"
 104 #include "content/public/common/main_function_params.h"
 105 #include "grit/platform_locale_settings.h"
 106 #include "media/audio/sounds/sounds_manager.h"
 107 #include "net/base/network_change_notifier.h"
 108 #include "net/url_request/url_request.h"
 109 #include "net/url_request/url_request_context_getter.h"
 110 #include "ui/base/touch/touch_device.h"
 111 #include "ui/events/event_utils.h"
 112
 113 // Exclude X11 dependents for ozone
 114 #if defined(USE_X11)
 115 #include "chrome/browser/chromeos/device_uma.h"
 116 #endif
 117
 118 namespace chromeos {
 119
 120 namespace {
 121
 122 void ChromeOSVersionCallback(const std::string& version) {
 123   base::SetLinuxDistro(std::string("CrOS ") + version);
 124 }
 125
 126 // Login -----------------------------------------------------------------------
 127
 128 // Class is used to login using passed username and password.
 129 // The instance will be deleted upon success or failure.
 130 class StubLogin : public LoginStatusConsumer,
 131                   public LoginUtils::Delegate {
 132  public:
 133   StubLogin(std::string username, std::string password)
 134       : profile_prepared_(false) {
 135     authenticator_ = LoginUtils::Get()->CreateAuthenticator(this);
 136     authenticator_.get()->AuthenticateToLogin(
 137         ProfileHelper::GetSigninProfile(),
 138         UserContext(username, password, std::string() /* auth_code */));
 139   }
 140
 141   virtual ~StubLogin() {
 142     LoginUtils::Get()->DelegateDeleted(this);
 143   }
 144
 145   virtual void OnLoginFailure(const LoginFailure& error) OVERRIDE {
 146     LOG(ERROR) << "Login Failure: " << error.GetErrorString();
 147     delete this;
 148   }
 149
 150   virtual void OnLoginSuccess(const UserContext& user_context) OVERRIDE {
 151     if (!profile_prepared_) {
 152       // Will call OnProfilePrepared in the end.
 153       LoginUtils::Get()->PrepareProfile(user_context,
 154                                         std::string(),  // display_email
 155                                         false,          // has_cookies
 156                                         true,           // has_active_session
 157                                         this);
 158     } else {
 159       delete this;
 160     }
 161   }
 162
 163   // LoginUtils::Delegate implementation:
 164   virtual void OnProfilePrepared(Profile* profile) OVERRIDE {
 165     std::string login_user =
 166         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
 167             chromeos::switches::kLoginUser);
 168     profile->GetPrefs()->SetString(prefs::kGoogleServicesUsername, login_user);
 169     profile_prepared_ = true;
 170     LoginUtils::Get()->DoBrowserLaunch(profile, NULL);
 171     delete this;
 172   }
 173
 174   scoped_refptr<Authenticator> authenticator_;
 175   bool profile_prepared_;
 176 };
 177
 178 bool ShouldAutoLaunchKioskApp(const CommandLine& command_line) {
 179   KioskAppManager* app_manager = KioskAppManager::Get();
 180   return command_line.HasSwitch(switches::kLoginManager) &&
 181       !command_line.HasSwitch(switches::kForceLoginManagerInTests) &&
 182       app_manager->IsAutoLaunchEnabled() &&
 183       KioskAppLaunchError::Get() == KioskAppLaunchError::NONE;
 184 }
 185
 186 void RunAutoLaunchKioskApp() {
 187   ShowLoginWizard(chromeos::WizardController::kAppLaunchSplashScreenName);
 188
 189   // Login screen is skipped but 'login-prompt-visible' signal is still needed.
 190   VLOG(1) << "Kiosk app auto launch >> login-prompt-visible";
 191   DBusThreadManager::Get()->GetSessionManagerClient()->
 192       EmitLoginPromptVisible();
 193 }
 194
 195 void OptionallyRunChromeOSLoginManager(const CommandLine& parsed_command_line,
 196                                        Profile* profile) {
 197   if (ShouldAutoLaunchKioskApp(parsed_command_line)) {
 198     RunAutoLaunchKioskApp();
 199   } else if (parsed_command_line.HasSwitch(switches::kLoginManager)) {
 200     const std::string first_screen =
 201         parsed_command_line.HasSwitch(switches::kLoginScreen) ?
 202             WizardController::kLoginScreenName : std::string();
 203     ShowLoginWizard(first_screen);
 204
 205     if (KioskModeSettings::Get()->IsKioskModeEnabled())
 206       InitializeKioskModeScreensaver();
 207
 208     // Reset reboot after update flag when login screen is shown.
 209     policy::BrowserPolicyConnectorChromeOS* connector =
 210         g_browser_process->platform_part()->browser_policy_connector_chromeos();
 211     if (!connector->IsEnterpriseManaged()) {
 212       PrefService* local_state = g_browser_process->local_state();
 213       local_state->ClearPref(prefs::kRebootAfterUpdate);
 214     }
 215   } else if (parsed_command_line.HasSwitch(switches::kLoginUser) &&
 216              parsed_command_line.HasSwitch(switches::kLoginPassword)) {
 217     BootTimesLoader::Get()->RecordLoginAttempted();
 218     new StubLogin(
 219         parsed_command_line.GetSwitchValueASCII(switches::kLoginUser),
 220         parsed_command_line.GetSwitchValueASCII(switches::kLoginPassword));
 221   } else {
 222     if (!parsed_command_line.HasSwitch(::switches::kTestName)) {
 223       // Enable CrasAudioHandler logging when chrome restarts after crashing.
 224       if (chromeos::CrasAudioHandler::IsInitialized())
 225         chromeos::CrasAudioHandler::Get()->LogErrors();
 226
 227       // We did not log in (we crashed or are debugging), so we need to
 228       // restore Sync.
 229       LoginUtils::Get()->RestoreAuthenticationSession(profile);
 230     }
 231   }
 232 }
 233
 234 }  // namespace
 235
 236 namespace internal {
 237
 238 // Wrapper class for initializing dbus related services and shutting them
 239 // down. This gets instantiated in a scoped_ptr so that shutdown methods in the
 240 // destructor will get called if and only if this has been instantiated.
 241 class DBusServices {
 242  public:
 243   explicit DBusServices(const content::MainFunctionParams& parameters) {
 244     if (!base::SysInfo::IsRunningOnChromeOS()) {
 245       // Override this path on the desktop, so that the user policy key can be
 246       // stored by the stub SessionManagerClient.
 247       base::FilePath user_data_dir;
 248       if (PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
 249         PathService::Override(chromeos::DIR_USER_POLICY_KEYS,
 250                               user_data_dir.AppendASCII("stub_user_policy"));
 251       }
 252     }
 253
 254     // Initialize DBusThreadManager for the browser. This must be done after
 255     // the main message loop is started, as it uses the message loop.
 256     DBusThreadManager::Initialize();
 257     CrosDBusService::Initialize();
 258
 259     // Initialize PowerDataCollector after DBusThreadManager is initialized.
 260     PowerDataCollector::Initialize();
 261
 262     LoginState::Initialize();
 263     SystemSaltGetter::Initialize();
 264     TPMTokenLoader::Initialize();
 265     CertLoader::Initialize();
 266
 267     // This function and SystemKeyEventListener use InputMethodManager.
 268     chromeos::input_method::Initialize(
 269         content::BrowserThread::GetMessageLoopProxyForThread(
 270             content::BrowserThread::UI),
 271         content::BrowserThread::GetMessageLoopProxyForThread(
 272             content::BrowserThread::FILE));
 273     disks::DiskMountManager::Initialize();
 274     cryptohome::AsyncMethodCaller::Initialize();
 275     cryptohome::HomedirMethods::Initialize();
 276
 277     NetworkHandler::Initialize();
 278     CertLibrary::Initialize();
 279
 280     // Initialize the network change notifier for Chrome OS. The network
 281     // change notifier starts to monitor changes from the power manager and
 282     // the network manager.
 283     NetworkChangeNotifierFactoryChromeos::GetInstance()->Initialize();
 284
 285     // Likewise, initialize the upgrade detector for Chrome OS. The upgrade
 286     // detector starts to monitor changes from the update engine.
 287     UpgradeDetectorChromeos::GetInstance()->Init();
 288
 289     if (base::SysInfo::IsRunningOnChromeOS()) {
 290       // Disable Num Lock on X start up for http://crosbug.com/29169.
 291       input_method::InputMethodManager::Get()->GetXKeyboard()->DisableNumLock();
 292     }
 293
 294     // Initialize the device settings service so that we'll take actions per
 295     // signals sent from the session manager. This needs to happen before
 296     // g_browser_process initializes BrowserPolicyConnector.
 297     DeviceSettingsService::Initialize();
 298     DeviceSettingsService::Get()->SetSessionManager(
 299         DBusThreadManager::Get()->GetSessionManagerClient(),
 300         OwnerKeyUtil::Create());
 301   }
 302
 303   ~DBusServices() {
 304     CertLibrary::Shutdown();
 305     NetworkHandler::Shutdown();
 306
 307     cryptohome::AsyncMethodCaller::Shutdown();
 308     disks::DiskMountManager::Shutdown();
 309     input_method::Shutdown();
 310
 311     SystemSaltGetter::Shutdown();
 312     LoginState::Shutdown();
 313     CertLoader::Shutdown();
 314     TPMTokenLoader::Shutdown();
 315
 316     CrosDBusService::Shutdown();
 317
 318     // Shutdown the PowerDataCollector before shutting down DBusThreadManager.
 319     PowerDataCollector::Shutdown();
 320
 321     // NOTE: This must only be called if Initialize() was called.
 322     DBusThreadManager::Shutdown();
 323   }
 324
 325  private:
 326
 327   DISALLOW_COPY_AND_ASSIGN(DBusServices);
 328 };
 329
 330 }  //  namespace internal
 331
 332 // ChromeBrowserMainPartsChromeos ----------------------------------------------
 333
 334 ChromeBrowserMainPartsChromeos::ChromeBrowserMainPartsChromeos(
 335     const content::MainFunctionParams& parameters)
 336     : ChromeBrowserMainPartsLinux(parameters) {
 337 }
 338
 339 ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
 340   if (KioskModeSettings::Get()->IsKioskModeEnabled())
 341     ShutdownKioskModeScreensaver();
 342
 343   // To be precise, logout (browser shutdown) is not yet done, but the
 344   // remaining work is negligible, hence we say LogoutDone here.
 345   BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone", false);
 346   BootTimesLoader::Get()->WriteLogoutTimes();
 347 }
 348
 349 // content::BrowserMainParts and ChromeBrowserMainExtraParts overrides ---------
 350
 351 void ChromeBrowserMainPartsChromeos::PreEarlyInitialization() {
 352   CommandLine* singleton_command_line = CommandLine::ForCurrentProcess();
 353
 354   if (parsed_command_line().HasSwitch(switches::kGuestSession)) {
 355     // Disable sync and extensions if we're in "browse without sign-in" mode.
 356     singleton_command_line->AppendSwitch(::switches::kDisableSync);
 357     singleton_command_line->AppendSwitch(::switches::kDisableExtensions);
 358     browser_defaults::bookmarks_enabled = false;
 359   }
 360
 361   // If we're not running on real ChromeOS hardware (or under VM), and are not
 362   // showing the login manager or attempting a command line login, login with a
 363   // stub user.
 364   if (!base::SysInfo::IsRunningOnChromeOS() &&
 365       !parsed_command_line().HasSwitch(switches::kLoginManager) &&
 366       !parsed_command_line().HasSwitch(switches::kLoginUser) &&
 367       !parsed_command_line().HasSwitch(switches::kGuestSession)) {
 368     singleton_command_line->AppendSwitchASCII(
 369         switches::kLoginUser, UserManager::kStubUser);
 370     if (!parsed_command_line().HasSwitch(switches::kLoginProfile)) {
 371       singleton_command_line->AppendSwitchASCII(switches::kLoginProfile,
 372                                                 chrome::kTestUserProfileDir);
 373     }
 374     LOG(WARNING) << "Running as stub user with profile dir: "
 375                  << singleton_command_line->GetSwitchValuePath(
 376                      switches::kLoginProfile).value();
 377   }
 378
 379 #if defined(GOOGLE_CHROME_BUILD)
 380   const char kChromeOSReleaseTrack[] = "CHROMEOS_RELEASE_TRACK";
 381   std::string channel;
 382   if (base::SysInfo::GetLsbReleaseValue(kChromeOSReleaseTrack, &channel))
 383     chrome::VersionInfo::SetChannel(channel);
 384 #endif
 385
 386   ChromeBrowserMainPartsLinux::PreEarlyInitialization();
 387 }
 388
 389 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopStart() {
 390   // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
 391   // implementation. This must be done before BrowserMainLoop calls
 392   // net::NetworkChangeNotifier::Create() in MainMessageLoopStart().
 393   net::NetworkChangeNotifier::SetFactory(
 394       new NetworkChangeNotifierFactoryChromeos());
 395   ChromeBrowserMainPartsLinux::PreMainMessageLoopStart();
 396 }
 397
 398 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
 399   dbus_services_.reset(new internal::DBusServices(parameters()));
 400
 401   ChromeBrowserMainPartsLinux::PostMainMessageLoopStart();
 402 }
 403
 404 // Threads are initialized between MainMessageLoopStart and MainMessageLoopRun.
 405 // about_flags settings are applied in ChromeBrowserMainParts::PreCreateThreads.
 406 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
 407   // Set the crypto thread after the IO thread has been created/started.
 408   TPMTokenLoader::Get()->SetCryptoTaskRunner(
 409       content::BrowserThread::GetMessageLoopProxyForThread(
 410           content::BrowserThread::IO));
 411
 412   CrasAudioHandler::Initialize(
 413       AudioDevicesPrefHandler::Create(g_browser_process->local_state()));
 414
 415   // Start loading machine statistics here. StatisticsProvider::Shutdown()
 416   // will ensure that loading is aborted on early exit.
 417   bool load_oem_statistics = !StartupUtils::IsOobeCompleted();
 418   system::StatisticsProvider::GetInstance()->StartLoadingMachineStatistics(
 419       content::BrowserThread::GetMessageLoopProxyForThread(
 420           content::BrowserThread::FILE),
 421       load_oem_statistics);
 422
 423   base::FilePath downloads_directory;
 424   CHECK(PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &downloads_directory));
 425   imageburner::BurnManager::Initialize(
 426       downloads_directory, g_browser_process->system_request_context());
 427
 428   // Listen for system key events so that the user will be able to adjust the
 429   // volume on the login screen, if Chrome is running on Chrome OS
 430   // (i.e. not Linux desktop), and in non-test mode.
 431   // Note: SystemKeyEventListener depends on the DBus thread.
 432   if (base::SysInfo::IsRunningOnChromeOS() &&
 433       !parameters().ui_task) {  // ui_task is non-NULL when running tests.
 434     SystemKeyEventListener::Initialize();
 435   }
 436
 437   DeviceOAuth2TokenServiceFactory::Initialize();
 438
 439   ChromeBrowserMainPartsLinux::PreMainMessageLoopRun();
 440 }
 441
 442 void ChromeBrowserMainPartsChromeos::PreProfileInit() {
 443   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 444   // -- immediately before Profile creation().
 445
 446   // Now that the file thread exists we can record our stats.
 447   BootTimesLoader::Get()->RecordChromeMainStats();
 448
 449   // Trigger prefetching of ownership status.
 450   DeviceSettingsService::Get()->Load();
 451
 452   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 453   // -- just before CreateProfile().
 454
 455   UserManager::Initialize();
 456
 457   // Initialize the screen locker now so that it can receive
 458   // LOGIN_USER_CHANGED notification from UserManager.
 459   if (KioskModeSettings::Get()->IsKioskModeEnabled())
 460     KioskModeIdleLogout::Initialize();
 461   else
 462     ScreenLocker::InitClass();
 463
 464   // This forces the ProfileManager to be created and register for the
 465   // notification it needs to track the logged in user.
 466   g_browser_process->profile_manager();
 467
 468   // ProfileHelper has to be initialized after UserManager instance is created.
 469   g_browser_process->platform_part()->profile_helper()->Initialize();
 470
 471   // TODO(abarth): Should this move to InitializeNetworkOptions()?
 472   // Allow access to file:// on ChromeOS for tests.
 473   if (parsed_command_line().HasSwitch(::switches::kAllowFileAccess))
 474     ChromeNetworkDelegate::AllowAccessToAllFiles();
 475
 476   // There are two use cases for kLoginUser:
 477   //   1) if passed in tandem with kLoginPassword, to drive a "StubLogin"
 478   //   2) if passed alone, to signal that the indicated user has already
 479   //      logged in and we should behave accordingly.
 480   // This handles case 2.
 481   bool immediate_login =
 482       parsed_command_line().HasSwitch(switches::kLoginUser) &&
 483       !parsed_command_line().HasSwitch(switches::kLoginPassword);
 484   if (immediate_login){
 485     // Redirects Chrome logging to the user data dir.
 486     logging::RedirectChromeLogging(parsed_command_line());
 487
 488     // Load the default app order synchronously for restarting case.
 489     app_order_loader_.reset(
 490         new default_app_order::ExternalLoader(false /* async */));
 491   }
 492
 493   if (!app_order_loader_) {
 494     app_order_loader_.reset(
 495         new default_app_order::ExternalLoader(true /* async */));
 496   }
 497
 498   media::SoundsManager::Create();
 499
 500   // Initialize magnification manager before ash tray is created. And this must
 501   // be placed after UserManager::SessionStarted();
 502   AccessibilityManager::Initialize();
 503   MagnificationManager::Initialize();
 504
 505   // Add observers for WallpaperManager. This depends on PowerManagerClient,
 506   // TimezoneSettings and CrosSettings.
 507   WallpaperManager::Get()->AddObservers();
 508
 509   cros_version_loader_.GetVersion(VersionLoader::VERSION_FULL,
 510                                   base::Bind(&ChromeOSVersionCallback),
 511                                   &tracker_);
 512
 513   // Make sure that wallpaper boot transition and other delays in OOBE
 514   // are disabled for tests and kiosk app launch by default.
 515   // Individual tests may enable them if they want.
 516   if (parsed_command_line().HasSwitch(::switches::kTestType) ||
 517       ShouldAutoLaunchKioskApp(parsed_command_line())) {
 518     WizardController::SetZeroDelays();
 519   }
 520
 521   power_prefs_.reset(new PowerPrefs(
 522       DBusThreadManager::Get()->GetPowerPolicyController()));
 523
 524   // In Aura builds this will initialize ash::Shell.
 525   ChromeBrowserMainPartsLinux::PreProfileInit();
 526
 527   if (immediate_login) {
 528     std::string username =
 529         parsed_command_line().GetSwitchValueASCII(switches::kLoginUser);
 530     UserManager* user_manager = UserManager::Get();
 531     // In case of multi-profiles --login-profile will contain user_id_hash.
 532     std::string username_hash =
 533         parsed_command_line().GetSwitchValueASCII(switches::kLoginProfile);
 534     user_manager->UserLoggedIn(username, username_hash, true);
 535     VLOG(1) << "Relaunching browser for user: " << username
 536             << " with hash: " << username_hash;
 537   }
 538 }
 539
 540 class GuestLanguageSetCallbackData {
 541  public:
 542   explicit GuestLanguageSetCallbackData(Profile* profile) : profile(profile) {
 543   }
 544
 545   // Must match SwitchLanguageCallback type.
 546   static void Callback(const scoped_ptr<GuestLanguageSetCallbackData>& self,
 547                        const std::string& locale,
 548                        const std::string& loaded_locale,
 549                        bool success);
 550
 551   Profile* profile;
 552 };
 553
 554 // static
 555 void GuestLanguageSetCallbackData::Callback(
 556     const scoped_ptr<GuestLanguageSetCallbackData>& self,
 557     const std::string& locale,
 558     const std::string& loaded_locale,
 559     bool success) {
 560   input_method::InputMethodManager* const ime_manager =
 561       input_method::InputMethodManager::Get();
 562   // Active layout must be hardware "login layout".
 563   // The previous one must be "locale default layout".
 564   // First, enable all hardware input methods.
 565   const std::vector<std::string>& input_methods =
 566       ime_manager->GetInputMethodUtil()->GetHardwareInputMethodIds();
 567   for (size_t i = 0; i < input_methods.size(); ++i)
 568     ime_manager->EnableInputMethod(input_methods[i]);
 569
 570   // Second, enable locale based input methods.
 571   const std::string locale_default_input_method =
 572       ime_manager->GetInputMethodUtil()->
 573           GetLanguageDefaultInputMethodId(loaded_locale);
 574   if (!locale_default_input_method.empty()) {
 575     PrefService* user_prefs = self->profile->GetPrefs();
 576     user_prefs->SetString(prefs::kLanguagePreviousInputMethod,
 577                           locale_default_input_method);
 578     ime_manager->EnableInputMethod(locale_default_input_method);
 579   }
 580
 581   // Finally, activate the first login input method.
 582   const std::vector<std::string>& login_input_methods =
 583       ime_manager->GetInputMethodUtil()->GetHardwareLoginInputMethodIds();
 584   ime_manager->ChangeInputMethod(login_input_methods[0]);
 585 }
 586
 587 void SetGuestLocale(UserManager* const usermanager, Profile* const profile) {
 588   scoped_ptr<GuestLanguageSetCallbackData> data(
 589       new GuestLanguageSetCallbackData(profile));
 590   scoped_ptr<locale_util::SwitchLanguageCallback> callback(
 591       new locale_util::SwitchLanguageCallback(base::Bind(
 592           &GuestLanguageSetCallbackData::Callback, base::Passed(data.Pass()))));
 593   User* const user = usermanager->GetUserByProfile(profile);
 594   usermanager->RespectLocalePreference(profile, user, callback.Pass());
 595 }
 596
 597 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
 598   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 599   // -- just after CreateProfile().
 600
 601   // Restarting Chrome inside existing user session. Possible cases:
 602   // 1. Chrome is restarted after crash.
 603   // 2. Chrome is started in browser_tests skipping the login flow
 604   // 3. Chrome is started on dev machine
 605   //    i.e. not on Chrome OS device w/o login flow.
 606   if (parsed_command_line().HasSwitch(switches::kLoginUser) &&
 607       !parsed_command_line().HasSwitch(switches::kLoginPassword)) {
 608     std::string login_user = parsed_command_line().GetSwitchValueASCII(
 609         chromeos::switches::kLoginUser);
 610     if (!base::SysInfo::IsRunningOnChromeOS() &&
 611         login_user == UserManager::kStubUser) {
 612       // For dev machines and stub user emulate as if sync has been initialized.
 613       profile()->GetPrefs()->SetString(prefs::kGoogleServicesUsername,
 614                                        login_user);
 615     }
 616
 617     // This is done in LoginUtils::OnProfileCreated during normal login.
 618     LoginUtils::Get()->InitRlzDelayed(profile());
 619
 620     // Send the PROFILE_PREPARED notification and call SessionStarted()
 621     // so that the Launcher and other Profile dependent classes are created.
 622     content::NotificationService::current()->Notify(
 623         chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
 624         content::NotificationService::AllSources(),
 625         content::Details<Profile>(profile()));
 626     UserManager::Get()->SessionStarted();
 627
 628     // Now is the good time to retrieve other logged in users for this session.
 629     // First user has been already marked as logged in and active in
 630     // PreProfileInit(). Chrome should tread other user in a session as active
 631     // in the background.
 632     UserManager::Get()->RestoreActiveSessions();
 633   }
 634
 635   // Initialize the network portal detector for Chrome OS. The network
 636   // portal detector starts to listen for notifications from
 637   // NetworkStateHandler and initiates captive portal detection for
 638   // active networks. Shoule be called before call to
 639   // OptionallyRunChromeOSLoginManager, because it depends on
 640   // NetworkPortalDetector.
 641   NetworkPortalDetector::Initialize();
 642   {
 643     NetworkPortalDetector* detector = NetworkPortalDetector::Get();
 644 #if defined(GOOGLE_CHROME_BUILD)
 645     bool is_official_build = true;
 646 #else
 647     bool is_official_build = false;
 648 #endif
 649     // Enable portal detector if EULA was previously accepted or if
 650     // this is an unofficial build.
 651     if (!is_official_build || StartupUtils::IsEulaAccepted())
 652       detector->Enable(true);
 653   }
 654
 655   // Tests should be able to tune login manager before showing it.
 656   // Thus only show login manager in normal (non-testing) mode.
 657   if (!parameters().ui_task ||
 658       parsed_command_line().HasSwitch(switches::kForceLoginManagerInTests)) {
 659     OptionallyRunChromeOSLoginManager(parsed_command_line(), profile());
 660   }
 661
 662   // Guest user profile is never initialized with locale settings,
 663   // so we need special handling for Guest session.
 664   UserManager* const usermanager = UserManager::Get();
 665   if (usermanager->IsLoggedInAsGuest())
 666     SetGuestLocale(usermanager, profile());
 667
 668   // These observers must be initialized after the profile because
 669   // they use the profile to dispatch extension events.
 670   extension_system_event_observer_.reset(new ExtensionSystemEventObserver());
 671   if (KioskModeSettings::Get()->IsKioskModeEnabled()) {
 672     retail_mode_power_save_blocker_ = content::PowerSaveBlocker::Create(
 673         content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
 674         "Retail mode");
 675   }
 676
 677   peripheral_battery_observer_.reset(new PeripheralBatteryObserver());
 678
 679   g_browser_process->platform_part()->InitializeAutomaticRebootManager();
 680
 681   // This observer cannot be created earlier because it requires the shell to be
 682   // available.
 683   idle_action_warning_observer_.reset(new IdleActionWarningObserver());
 684
 685   ChromeBrowserMainPartsLinux::PostProfileInit();
 686 }
 687
 688 void ChromeBrowserMainPartsChromeos::PreBrowserStart() {
 689   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 690   // -- just before MetricsService::LogNeedForCleanShutdown().
 691
 692   g_browser_process->metrics_service()->StartExternalMetrics();
 693
 694   // Listen for XI_HierarchyChanged events. Note: if this is moved to
 695   // PreMainMessageLoopRun() then desktopui_PageCyclerTests fail for unknown
 696   // reasons, see http://crosbug.com/24833.
 697   XInputHierarchyChangedEventListener::GetInstance();
 698
 699 #if defined(USE_X11)
 700   // Start the CrOS input device UMA watcher
 701   DeviceUMA::GetInstance();
 702 #endif
 703
 704   event_rewriter_.reset(new EventRewriter());
 705
 706   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
 707   // -- immediately after ChildProcess::WaitForDebugger().
 708
 709   // Start the out-of-memory priority manager here so that we give the most
 710   // amount of time for the other services to start up before we start
 711   // adjusting the oom priority.
 712   g_browser_process->platform_part()->oom_priority_manager()->Start();
 713
 714   if (ui::ShouldDefaultToNaturalScroll()) {
 715     CommandLine::ForCurrentProcess()->AppendSwitch(
 716         chromeos::switches::kNaturalScrollDefault);
 717     ui::SetNaturalScroll(true);
 718   }
 719
 720   ChromeBrowserMainPartsLinux::PreBrowserStart();
 721 }
 722
 723 void ChromeBrowserMainPartsChromeos::PostBrowserStart() {
 724   // These are dependent on the ash::Shell singleton already having been
 725   // initialized.
 726   power_button_observer_.reset(new PowerButtonObserver);
 727   data_promo_notification_.reset(new DataPromoNotification()),
 728
 729   ChromeBrowserMainPartsLinux::PostBrowserStart();
 730 }
 731
 732 // Shut down services before the browser process, etc are destroyed.
 733 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
 734   BootTimesLoader::Get()->AddLogoutTimeMarker("UIMessageLoopEnded", true);
 735
 736   g_browser_process->platform_part()->oom_priority_manager()->Stop();
 737
 738   // Destroy the application name notifier for Kiosk mode.
 739   KioskModeIdleAppNameNotification::Shutdown();
 740
 741   // Shutdown the upgrade detector for Chrome OS. The upgrade detector
 742   // stops monitoring changes from the update engine.
 743   if (UpgradeDetectorChromeos::GetInstance())
 744     UpgradeDetectorChromeos::GetInstance()->Shutdown();
 745
 746   // Shutdown the network change notifier for Chrome OS. The network
 747   // change notifier stops monitoring changes from the power manager and
 748   // the network manager.
 749   if (NetworkChangeNotifierFactoryChromeos::GetInstance())
 750     NetworkChangeNotifierFactoryChromeos::GetInstance()->Shutdown();
 751
 752   // Destroy UI related classes before destroying services that they may
 753   // depend on.
 754   data_promo_notification_.reset();
 755
 756   // Tell DeviceSettingsService to stop talking to session_manager. Do not
 757   // shutdown DeviceSettingsService yet, it might still be accessed by
 758   // BrowserPolicyConnector (owned by g_browser_process).
 759   DeviceSettingsService::Get()->UnsetSessionManager();
 760
 761   // We should remove observers attached to D-Bus clients before
 762   // DBusThreadManager is shut down.
 763   extension_system_event_observer_.reset();
 764   retail_mode_power_save_blocker_.reset();
 765   peripheral_battery_observer_.reset();
 766   power_prefs_.reset();
 767   event_rewriter_.reset();
 768
 769   // Let the ScreenLocker unregister itself from SessionManagerClient before
 770   // DBusThreadManager is shut down.
 771   if (!KioskModeSettings::Get()->IsKioskModeEnabled())
 772     ScreenLocker::ShutDownClass();
 773
 774   // The XInput2 event listener needs to be shut down earlier than when
 775   // Singletons are finally destroyed in AtExitManager.
 776   XInputHierarchyChangedEventListener::GetInstance()->Stop();
 777
 778 #if defined(USE_X11)
 779   DeviceUMA::GetInstance()->Stop();
 780 #endif
 781
 782   // SystemKeyEventListener::Shutdown() is always safe to call,
 783   // even if Initialize() wasn't called.
 784   SystemKeyEventListener::Shutdown();
 785   imageburner::BurnManager::Shutdown();
 786   CrasAudioHandler::Shutdown();
 787
 788   // Detach D-Bus clients before DBusThreadManager is shut down.
 789   power_button_observer_.reset();
 790   idle_action_warning_observer_.reset();
 791
 792   MagnificationManager::Shutdown();
 793   AccessibilityManager::Shutdown();
 794
 795   media::SoundsManager::Shutdown();
 796
 797   system::StatisticsProvider::GetInstance()->Shutdown();
 798
 799   // Let the UserManager and WallpaperManager unregister itself as an observer
 800   // of the CrosSettings singleton before it is destroyed. This also ensures
 801   // that the UserManager has no URLRequest pending (see
 802   // http://crbug.com/276659).
 803   UserManager::Get()->Shutdown();
 804   WallpaperManager::Get()->Shutdown();
 805
 806   // Let the AutomaticRebootManager unregister itself as an observer of several
 807   // subsystems.
 808   g_browser_process->platform_part()->ShutdownAutomaticRebootManager();
 809
 810   // Clean up dependency on CrosSettings and stop pending data fetches.
 811   KioskAppManager::Shutdown();
 812
 813   // We first call PostMainMessageLoopRun and then destroy UserManager, because
 814   // Ash needs to be closed before UserManager is destroyed.
 815   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 816
 817   // Stops all in-flight OAuth2 token fetchers before the IO thread stops.
 818   DeviceOAuth2TokenServiceFactory::Shutdown();
 819
 820   // Called after
 821   // ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() to be
 822   // executed after execution of chrome::CloseAsh(), because some
 823   // parts of WebUI depends on NetworkPortalDetector.
 824   NetworkPortalDetector::Shutdown();
 825
 826   UserManager::Destroy();
 827 }
 828
 829 void ChromeBrowserMainPartsChromeos::PostDestroyThreads() {
 830   // Destroy DBus services immediately after threads are stopped.
 831   dbus_services_.reset();
 832
 833   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 834
 835   // Destroy DeviceSettingsService after g_browser_process.
 836   DeviceSettingsService::Shutdown();
 837 }
 838
 839 }  //  namespace chromeos