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.
5 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
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/device/input_service_proxy.h"
34 #include "chrome/browser/chromeos/events/event_rewriter.h"
35 #include "chrome/browser/chromeos/events/event_rewriter_controller.h"
36 #include "chrome/browser/chromeos/events/keyboard_driven_event_rewriter.h"
37 #include "chrome/browser/chromeos/extensions/default_app_order.h"
38 #include "chrome/browser/chromeos/extensions/extension_system_event_observer.h"
39 #include "chrome/browser/chromeos/external_metrics.h"
40 #include "chrome/browser/chromeos/imageburner/burn_manager.h"
41 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
42 #include "chrome/browser/chromeos/input_method/input_method_util.h"
43 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout.h"
44 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.h"
45 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
46 #include "chrome/browser/chromeos/language_preferences.h"
47 #include "chrome/browser/chromeos/login/helper.h"
48 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
49 #include "chrome/browser/chromeos/login/login_wizard.h"
50 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
51 #include "chrome/browser/chromeos/login/startup_utils.h"
52 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
53 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
54 #include "chrome/browser/chromeos/login/wizard_controller.h"
55 #include "chrome/browser/chromeos/memory/oom_priority_manager.h"
56 #include "chrome/browser/chromeos/net/network_portal_detector_impl.h"
57 #include "chrome/browser/chromeos/options/cert_library.h"
58 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
59 #include "chrome/browser/chromeos/policy/device_local_account.h"
60 #include "chrome/browser/chromeos/power/idle_action_warning_observer.h"
61 #include "chrome/browser/chromeos/power/peripheral_battery_observer.h"
62 #include "chrome/browser/chromeos/power/power_button_observer.h"
63 #include "chrome/browser/chromeos/power/power_data_collector.h"
64 #include "chrome/browser/chromeos/power/power_prefs.h"
65 #include "chrome/browser/chromeos/power/renderer_freezer.h"
66 #include "chrome/browser/chromeos/profiles/profile_helper.h"
67 #include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
68 #include "chrome/browser/chromeos/settings/device_settings_service.h"
69 #include "chrome/browser/chromeos/settings/owner_key_util.h"
70 #include "chrome/browser/chromeos/status/data_promo_notification.h"
71 #include "chrome/browser/chromeos/system/input_device_settings.h"
72 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
73 #include "chrome/browser/defaults.h"
74 #include "chrome/browser/lifetime/application_lifetime.h"
75 #include "chrome/browser/net/chrome_network_delegate.h"
76 #include "chrome/browser/profiles/profile.h"
77 #include "chrome/browser/profiles/profile_manager.h"
78 #include "chrome/browser/rlz/rlz.h"
79 #include "chrome/common/chrome_constants.h"
80 #include "chrome/common/chrome_paths.h"
81 #include "chrome/common/chrome_switches.h"
82 #include "chrome/common/chrome_version_info.h"
83 #include "chrome/common/logging_chrome.h"
84 #include "chrome/common/pref_names.h"
85 #include "chromeos/audio/audio_devices_pref_handler.h"
86 #include "chromeos/audio/cras_audio_handler.h"
87 #include "chromeos/cert_loader.h"
88 #include "chromeos/chromeos_paths.h"
89 #include "chromeos/chromeos_switches.h"
90 #include "chromeos/cryptohome/async_method_caller.h"
91 #include "chromeos/cryptohome/homedir_methods.h"
92 #include "chromeos/cryptohome/system_salt_getter.h"
93 #include "chromeos/dbus/dbus_thread_manager.h"
94 #include "chromeos/dbus/power_policy_controller.h"
95 #include "chromeos/dbus/session_manager_client.h"
96 #include "chromeos/disks/disk_mount_manager.h"
97 #include "chromeos/ime/ime_keyboard.h"
98 #include "chromeos/ime/input_method_manager.h"
99 #include "chromeos/login/login_state.h"
100 #include "chromeos/login/user_names.h"
101 #include "chromeos/login_event_recorder.h"
102 #include "chromeos/network/network_change_notifier_chromeos.h"
103 #include "chromeos/network/network_change_notifier_factory_chromeos.h"
104 #include "chromeos/network/network_handler.h"
105 #include "chromeos/system/statistics_provider.h"
106 #include "chromeos/tpm_token_loader.h"
107 #include "components/metrics/metrics_service.h"
108 #include "components/session_manager/core/session_manager.h"
109 #include "components/user_manager/user.h"
110 #include "components/user_manager/user_manager.h"
111 #include "content/public/browser/browser_thread.h"
112 #include "content/public/browser/notification_service.h"
113 #include "content/public/browser/power_save_blocker.h"
114 #include "content/public/common/main_function_params.h"
115 #include "media/audio/sounds/sounds_manager.h"
116 #include "net/base/network_change_notifier.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"
122 // Exclude X11 dependents for ozone
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"
133 void ChromeOSVersionCallback(const std::string& version) {
134 base::SetLinuxDistro(std::string("CrOS ") + version);
137 bool ShouldAutoLaunchKioskApp(const base::CommandLine& command_line) {
138 KioskAppManager* app_manager = KioskAppManager::Get();
139 return command_line.HasSwitch(switches::kLoginManager) &&
140 !command_line.HasSwitch(switches::kForceLoginManagerInTests) &&
141 app_manager->IsAutoLaunchEnabled() &&
142 KioskAppLaunchError::Get() == KioskAppLaunchError::NONE;
149 // Wrapper class for initializing dbus related services and shutting them
150 // down. This gets instantiated in a scoped_ptr so that shutdown methods in the
151 // destructor will get called if and only if this has been instantiated.
154 explicit DBusServices(const content::MainFunctionParams& parameters) {
155 // Initialize DBusThreadManager for the browser. This must be done after
156 // the main message loop is started, as it uses the message loop.
157 DBusThreadManager::Initialize();
158 CrosDBusService::Initialize();
160 // Initialize PowerDataCollector after DBusThreadManager is initialized.
161 PowerDataCollector::Initialize();
163 LoginState::Initialize();
164 SystemSaltGetter::Initialize();
165 TPMTokenLoader::Initialize();
166 CertLoader::Initialize();
168 disks::DiskMountManager::Initialize();
169 cryptohome::AsyncMethodCaller::Initialize();
170 cryptohome::HomedirMethods::Initialize();
172 NetworkHandler::Initialize();
173 CertLibrary::Initialize();
175 // Initialize the network change notifier for Chrome OS. The network
176 // change notifier starts to monitor changes from the power manager and
177 // the network manager.
178 NetworkChangeNotifierFactoryChromeos::GetInstance()->Initialize();
180 // Likewise, initialize the upgrade detector for Chrome OS. The upgrade
181 // detector starts to monitor changes from the update engine.
182 UpgradeDetectorChromeos::GetInstance()->Init();
184 // Initialize the device settings service so that we'll take actions per
185 // signals sent from the session manager. This needs to happen before
186 // g_browser_process initializes BrowserPolicyConnector.
187 DeviceSettingsService::Initialize();
188 DeviceSettingsService::Get()->SetSessionManager(
189 DBusThreadManager::Get()->GetSessionManagerClient(),
190 OwnerKeyUtil::Create());
194 CertLibrary::Shutdown();
195 NetworkHandler::Shutdown();
197 cryptohome::AsyncMethodCaller::Shutdown();
198 disks::DiskMountManager::Shutdown();
200 SystemSaltGetter::Shutdown();
201 LoginState::Shutdown();
202 CertLoader::Shutdown();
203 TPMTokenLoader::Shutdown();
205 CrosDBusService::Shutdown();
207 // Shutdown the PowerDataCollector before shutting down DBusThreadManager.
208 PowerDataCollector::Shutdown();
210 // NOTE: This must only be called if Initialize() was called.
211 DBusThreadManager::Shutdown();
216 DISALLOW_COPY_AND_ASSIGN(DBusServices);
219 } // namespace internal
221 // ChromeBrowserMainPartsChromeos ----------------------------------------------
223 ChromeBrowserMainPartsChromeos::ChromeBrowserMainPartsChromeos(
224 const content::MainFunctionParams& parameters)
225 : ChromeBrowserMainPartsLinux(parameters) {
228 ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
229 if (KioskModeSettings::Get()->IsKioskModeEnabled())
230 ShutdownKioskModeScreensaver();
232 // To be precise, logout (browser shutdown) is not yet done, but the
233 // remaining work is negligible, hence we say LogoutDone here.
234 BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone", false);
235 BootTimesLoader::Get()->WriteLogoutTimes();
238 // content::BrowserMainParts and ChromeBrowserMainExtraParts overrides ---------
240 void ChromeBrowserMainPartsChromeos::PreEarlyInitialization() {
241 CommandLine* singleton_command_line = CommandLine::ForCurrentProcess();
243 if (parsed_command_line().HasSwitch(switches::kGuestSession)) {
244 // Disable sync and extensions if we're in "browse without sign-in" mode.
245 singleton_command_line->AppendSwitch(::switches::kDisableSync);
246 singleton_command_line->AppendSwitch(::switches::kDisableExtensions);
247 browser_defaults::bookmarks_enabled = false;
250 // If we're not running on real Chrome OS hardware (or under VM), and are not
251 // showing the login manager or attempting a command line login, login with a
253 if (!base::SysInfo::IsRunningOnChromeOS() &&
254 !parsed_command_line().HasSwitch(switches::kLoginManager) &&
255 !parsed_command_line().HasSwitch(switches::kLoginUser) &&
256 !parsed_command_line().HasSwitch(switches::kGuestSession)) {
257 singleton_command_line->AppendSwitchASCII(switches::kLoginUser,
258 chromeos::login::kStubUser);
259 if (!parsed_command_line().HasSwitch(switches::kLoginProfile)) {
260 singleton_command_line->AppendSwitchASCII(switches::kLoginProfile,
261 chrome::kTestUserProfileDir);
263 LOG(WARNING) << "Running as stub user with profile dir: "
264 << singleton_command_line->GetSwitchValuePath(
265 switches::kLoginProfile).value();
268 #if defined(GOOGLE_CHROME_BUILD)
269 const char kChromeOSReleaseTrack[] = "CHROMEOS_RELEASE_TRACK";
271 if (base::SysInfo::GetLsbReleaseValue(kChromeOSReleaseTrack, &channel))
272 chrome::VersionInfo::SetChannel(channel);
275 ChromeBrowserMainPartsLinux::PreEarlyInitialization();
278 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopStart() {
279 // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
280 // implementation. This must be done before BrowserMainLoop calls
281 // net::NetworkChangeNotifier::Create() in MainMessageLoopStart().
282 net::NetworkChangeNotifier::SetFactory(
283 new NetworkChangeNotifierFactoryChromeos());
284 ChromeBrowserMainPartsLinux::PreMainMessageLoopStart();
287 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
288 base::FilePath user_data_dir;
289 if (!base::SysInfo::IsRunningOnChromeOS() &&
290 PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
291 // Override some paths with stub locations so that cloud policy and
292 // enterprise enrollment work on desktop builds, for ease of
294 chromeos::RegisterStubPathOverrides(user_data_dir);
297 dbus_services_.reset(new internal::DBusServices(parameters()));
299 ChromeBrowserMainPartsLinux::PostMainMessageLoopStart();
302 // Threads are initialized between MainMessageLoopStart and MainMessageLoopRun.
303 // about_flags settings are applied in ChromeBrowserMainParts::PreCreateThreads.
304 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
305 // Set the crypto thread after the IO thread has been created/started.
306 TPMTokenLoader::Get()->SetCryptoTaskRunner(
307 content::BrowserThread::GetMessageLoopProxyForThread(
308 content::BrowserThread::IO));
310 CrasAudioHandler::Initialize(
311 AudioDevicesPrefHandler::Create(g_browser_process->local_state()));
313 // Start loading machine statistics here. StatisticsProvider::Shutdown()
314 // will ensure that loading is aborted on early exit.
315 bool load_oem_statistics = !StartupUtils::IsOobeCompleted();
316 system::StatisticsProvider::GetInstance()->StartLoadingMachineStatistics(
317 content::BrowserThread::GetMessageLoopProxyForThread(
318 content::BrowserThread::FILE),
319 load_oem_statistics);
321 base::FilePath downloads_directory;
322 CHECK(PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &downloads_directory));
323 imageburner::BurnManager::Initialize(
324 downloads_directory, g_browser_process->system_request_context());
326 DeviceOAuth2TokenServiceFactory::Initialize();
328 ChromeBrowserMainPartsLinux::PreMainMessageLoopRun();
331 void ChromeBrowserMainPartsChromeos::PreProfileInit() {
332 // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
333 // -- immediately before Profile creation().
335 // Now that the file thread exists we can record our stats.
336 BootTimesLoader::Get()->RecordChromeMainStats();
337 LoginEventRecorder::Get()->SetDelegate(BootTimesLoader::Get());
339 // Trigger prefetching of ownership status.
340 DeviceSettingsService::Get()->Load();
342 // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
343 // -- just before CreateProfile().
345 g_browser_process->platform_part()->InitializeChromeUserManager();
347 // Initialize the screen locker now so that it can receive
348 // LOGIN_USER_CHANGED notification from UserManager.
349 if (KioskModeSettings::Get()->IsKioskModeEnabled())
350 KioskModeIdleLogout::Initialize();
352 ScreenLocker::InitClass();
354 // This forces the ProfileManager to be created and register for the
355 // notification it needs to track the logged in user.
356 g_browser_process->profile_manager();
358 // AccessibilityManager and SystemKeyEventListener use InputMethodManager.
359 input_method::Initialize();
361 // ProfileHelper has to be initialized after UserManager instance is created.
362 ProfileHelper::Get()->Initialize();
364 // TODO(abarth): Should this move to InitializeNetworkOptions()?
365 // Allow access to file:// on ChromeOS for tests.
366 if (parsed_command_line().HasSwitch(::switches::kAllowFileAccess))
367 ChromeNetworkDelegate::AllowAccessToAllFiles();
369 // If kLoginUser is passed this indicates that user has already
370 // logged in and we should behave accordingly.
371 bool immediate_login =
372 parsed_command_line().HasSwitch(switches::kLoginUser);
373 if (immediate_login){
374 // Redirects Chrome logging to the user data dir.
375 logging::RedirectChromeLogging(parsed_command_line());
377 // Load the default app order synchronously for restarting case.
378 app_order_loader_.reset(
379 new default_app_order::ExternalLoader(false /* async */));
382 if (!app_order_loader_) {
383 app_order_loader_.reset(
384 new default_app_order::ExternalLoader(true /* async */));
387 media::SoundsManager::Create();
389 // Initialize magnification manager before ash tray is created. And this must
390 // be placed after UserManager::SessionStarted();
391 AccessibilityManager::Initialize();
392 MagnificationManager::Initialize();
394 // Add observers for WallpaperManager. This depends on PowerManagerClient,
395 // TimezoneSettings and CrosSettings.
396 WallpaperManager::Get()->AddObservers();
398 cros_version_loader_.GetVersion(VersionLoader::VERSION_FULL,
399 base::Bind(&ChromeOSVersionCallback),
402 // Make sure that wallpaper boot transition and other delays in OOBE
403 // are disabled for tests and kiosk app launch by default.
404 // Individual tests may enable them if they want.
405 if (parsed_command_line().HasSwitch(::switches::kTestType) ||
406 ShouldAutoLaunchKioskApp(parsed_command_line())) {
407 WizardController::SetZeroDelays();
410 power_prefs_.reset(new PowerPrefs(
411 DBusThreadManager::Get()->GetPowerPolicyController()));
413 // In Aura builds this will initialize ash::Shell.
414 ChromeBrowserMainPartsLinux::PreProfileInit();
416 if (immediate_login) {
417 const std::string user_id = login::CanonicalizeUserID(
418 parsed_command_line().GetSwitchValueASCII(switches::kLoginUser));
419 user_manager::UserManager* user_manager = user_manager::UserManager::Get();
421 if (policy::IsDeviceLocalAccountUser(user_id, NULL) &&
422 !user_manager->IsKnownUser(user_id)) {
423 // When a device-local account is removed, its policy is deleted from disk
424 // immediately. If a session using this account happens to be in progress,
425 // the session is allowed to continue with policy served from an in-memory
426 // cache. If Chrome crashes later in the session, the policy becomes
427 // completely unavailable. Exit the session in that case, rather than
428 // allowing it to continue without policy.
429 chrome::AttemptUserExit();
433 // In case of multi-profiles --login-profile will contain user_id_hash.
434 std::string user_id_hash =
435 parsed_command_line().GetSwitchValueASCII(switches::kLoginProfile);
436 user_manager->UserLoggedIn(user_id, user_id_hash, true);
437 VLOG(1) << "Relaunching browser for user: " << user_id
438 << " with hash: " << user_id_hash;
442 class GuestLanguageSetCallbackData {
444 explicit GuestLanguageSetCallbackData(Profile* profile) : profile(profile) {
447 // Must match SwitchLanguageCallback type.
448 static void Callback(const scoped_ptr<GuestLanguageSetCallbackData>& self,
449 const std::string& locale,
450 const std::string& loaded_locale,
457 void GuestLanguageSetCallbackData::Callback(
458 const scoped_ptr<GuestLanguageSetCallbackData>& self,
459 const std::string& locale,
460 const std::string& loaded_locale,
462 input_method::InputMethodManager* const ime_manager =
463 input_method::InputMethodManager::Get();
464 // Active layout must be hardware "login layout".
465 // The previous one must be "locale default layout".
466 // First, enable all hardware input methods.
467 const std::vector<std::string>& input_methods =
468 ime_manager->GetInputMethodUtil()->GetHardwareInputMethodIds();
469 for (size_t i = 0; i < input_methods.size(); ++i)
470 ime_manager->EnableInputMethod(input_methods[i]);
472 // Second, enable locale based input methods.
473 const std::string locale_default_input_method =
474 ime_manager->GetInputMethodUtil()->
475 GetLanguageDefaultInputMethodId(loaded_locale);
476 if (!locale_default_input_method.empty()) {
477 PrefService* user_prefs = self->profile->GetPrefs();
478 user_prefs->SetString(prefs::kLanguagePreviousInputMethod,
479 locale_default_input_method);
480 ime_manager->EnableInputMethod(locale_default_input_method);
483 // Finally, activate the first login input method.
484 const std::vector<std::string>& login_input_methods =
485 ime_manager->GetInputMethodUtil()->GetHardwareLoginInputMethodIds();
486 ime_manager->ChangeInputMethod(login_input_methods[0]);
489 void SetGuestLocale(Profile* const profile) {
490 scoped_ptr<GuestLanguageSetCallbackData> data(
491 new GuestLanguageSetCallbackData(profile));
492 scoped_ptr<locale_util::SwitchLanguageCallback> callback(
493 new locale_util::SwitchLanguageCallback(base::Bind(
494 &GuestLanguageSetCallbackData::Callback, base::Passed(data.Pass()))));
495 user_manager::User* const user =
496 ProfileHelper::Get()->GetUserByProfile(profile);
497 UserSessionManager::GetInstance()->RespectLocalePreference(
498 profile, user, callback.Pass());
501 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
502 // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
503 // -- just after CreateProfile().
505 BootTimesLoader::Get()->OnChromeProcessStart();
507 // Initialize the network portal detector for Chrome OS. The network
508 // portal detector starts to listen for notifications from
509 // NetworkStateHandler and initiates captive portal detection for
510 // active networks. Should be called before call to CreateSessionManager,
511 // because it depends on NetworkPortalDetector.
512 NetworkPortalDetectorImpl::Initialize(
513 g_browser_process->system_request_context());
515 NetworkPortalDetector* detector = NetworkPortalDetector::Get();
516 #if defined(GOOGLE_CHROME_BUILD)
517 bool is_official_build = true;
519 bool is_official_build = false;
521 // Enable portal detector if EULA was previously accepted or if
522 // this is an unofficial build.
523 if (!is_official_build || StartupUtils::IsEulaAccepted())
524 detector->Enable(true);
527 bool is_running_test = parameters().ui_task != NULL;
528 g_browser_process->platform_part()->InitializeSessionManager(
529 parsed_command_line(), profile(), is_running_test);
530 g_browser_process->platform_part()->SessionManager()->Start();
532 // Guest user profile is never initialized with locale settings,
533 // so we need special handling for Guest session.
534 if (user_manager::UserManager::Get()->IsLoggedInAsGuest())
535 SetGuestLocale(profile());
537 // These observers must be initialized after the profile because
538 // they use the profile to dispatch extension events.
539 extension_system_event_observer_.reset(new ExtensionSystemEventObserver());
540 if (KioskModeSettings::Get()->IsKioskModeEnabled()) {
541 retail_mode_power_save_blocker_ = content::PowerSaveBlocker::Create(
542 content::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
546 peripheral_battery_observer_.reset(new PeripheralBatteryObserver());
548 renderer_freezer_.reset(new RendererFreezer());
550 g_browser_process->platform_part()->InitializeAutomaticRebootManager();
552 // This observer cannot be created earlier because it requires the shell to be
554 idle_action_warning_observer_.reset(new IdleActionWarningObserver());
556 ChromeBrowserMainPartsLinux::PostProfileInit();
559 void ChromeBrowserMainPartsChromeos::PreBrowserStart() {
560 // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
561 // -- just before MetricsService::LogNeedForCleanShutdown().
563 // Start the external metrics service, which collects metrics from Chrome OS
564 // and passes them to the browser process.
565 external_metrics_ = new chromeos::ExternalMetrics;
566 external_metrics_->Start();
569 // Listen for system key events so that the user will be able to adjust the
570 // volume on the login screen, if Chrome is running on Chrome OS
571 // (i.e. not Linux desktop), and in non-test mode.
572 // Note: SystemKeyEventListener depends on the DBus thread.
573 if (base::SysInfo::IsRunningOnChromeOS() &&
574 !parameters().ui_task) { // ui_task is non-NULL when running tests.
575 SystemKeyEventListener::Initialize();
578 // Listen for XI_HierarchyChanged events. Note: if this is moved to
579 // PreMainMessageLoopRun() then desktopui_PageCyclerTests fail for unknown
580 // reasons, see http://crosbug.com/24833.
581 XInputHierarchyChangedEventListener::GetInstance();
583 // Start the CrOS input device UMA watcher
584 DeviceUMA::GetInstance();
587 // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
588 // -- immediately after ChildProcess::WaitForDebugger().
590 // Start the out-of-memory priority manager here so that we give the most
591 // amount of time for the other services to start up before we start
592 // adjusting the oom priority.
593 g_browser_process->platform_part()->oom_priority_manager()->Start();
595 if (ui::ShouldDefaultToNaturalScroll()) {
596 CommandLine::ForCurrentProcess()->AppendSwitch(
597 chromeos::switches::kNaturalScrollDefault);
598 system::InputDeviceSettings::Get()->SetTapToClick(true);
601 ChromeBrowserMainPartsLinux::PreBrowserStart();
604 void ChromeBrowserMainPartsChromeos::PostBrowserStart() {
605 // These are dependent on the ash::Shell singleton already having been
607 power_button_observer_.reset(new PowerButtonObserver);
608 data_promo_notification_.reset(new DataPromoNotification());
610 keyboard_event_rewriters_.reset(new EventRewriterController());
611 keyboard_event_rewriters_->AddEventRewriter(
612 scoped_ptr<ui::EventRewriter>(new KeyboardDrivenEventRewriter()));
613 keyboard_event_rewriters_->AddEventRewriter(scoped_ptr<ui::EventRewriter>(
614 new EventRewriter(ash::Shell::GetInstance()->sticky_keys_controller())));
615 keyboard_event_rewriters_->Init();
617 ChromeBrowserMainPartsLinux::PostBrowserStart();
620 // Shut down services before the browser process, etc are destroyed.
621 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopRun() {
622 BootTimesLoader::Get()->AddLogoutTimeMarker("UIMessageLoopEnded", true);
624 g_browser_process->platform_part()->oom_priority_manager()->Stop();
626 // Early wake-up of HID device service.
627 InputServiceProxy::WarmUp();
629 // Destroy the application name notifier for Kiosk mode.
630 KioskModeIdleAppNameNotification::Shutdown();
632 // Shutdown the upgrade detector for Chrome OS. The upgrade detector
633 // stops monitoring changes from the update engine.
634 if (UpgradeDetectorChromeos::GetInstance())
635 UpgradeDetectorChromeos::GetInstance()->Shutdown();
637 // Shutdown the network change notifier for Chrome OS. The network
638 // change notifier stops monitoring changes from the power manager and
639 // the network manager.
640 if (NetworkChangeNotifierFactoryChromeos::GetInstance())
641 NetworkChangeNotifierFactoryChromeos::GetInstance()->Shutdown();
643 // Destroy UI related classes before destroying services that they may
645 data_promo_notification_.reset();
647 // Tell DeviceSettingsService to stop talking to session_manager. Do not
648 // shutdown DeviceSettingsService yet, it might still be accessed by
649 // BrowserPolicyConnector (owned by g_browser_process).
650 DeviceSettingsService::Get()->UnsetSessionManager();
652 // We should remove observers attached to D-Bus clients before
653 // DBusThreadManager is shut down.
654 extension_system_event_observer_.reset();
655 retail_mode_power_save_blocker_.reset();
656 peripheral_battery_observer_.reset();
657 power_prefs_.reset();
658 renderer_freezer_.reset();
660 // Let the ScreenLocker unregister itself from SessionManagerClient before
661 // DBusThreadManager is shut down.
662 if (!KioskModeSettings::Get()->IsKioskModeEnabled())
663 ScreenLocker::ShutDownClass();
665 keyboard_event_rewriters_.reset();
667 // The XInput2 event listener needs to be shut down earlier than when
668 // Singletons are finally destroyed in AtExitManager.
669 XInputHierarchyChangedEventListener::GetInstance()->Stop();
671 DeviceUMA::GetInstance()->Stop();
673 // SystemKeyEventListener::Shutdown() is always safe to call,
674 // even if Initialize() wasn't called.
675 SystemKeyEventListener::Shutdown();
678 imageburner::BurnManager::Shutdown();
679 CrasAudioHandler::Shutdown();
681 // Detach D-Bus clients before DBusThreadManager is shut down.
682 power_button_observer_.reset();
683 idle_action_warning_observer_.reset();
685 MagnificationManager::Shutdown();
686 AccessibilityManager::Shutdown();
688 media::SoundsManager::Shutdown();
690 system::StatisticsProvider::GetInstance()->Shutdown();
692 // Let the UserManager and WallpaperManager unregister itself as an observer
693 // of the CrosSettings singleton before it is destroyed. This also ensures
694 // that the UserManager has no URLRequest pending (see
695 // http://crbug.com/276659).
696 g_browser_process->platform_part()->user_manager()->Shutdown();
697 WallpaperManager::Get()->Shutdown();
699 // Let the AutomaticRebootManager unregister itself as an observer of several
701 g_browser_process->platform_part()->ShutdownAutomaticRebootManager();
703 // Clean up dependency on CrosSettings and stop pending data fetches.
704 KioskAppManager::Shutdown();
706 // Let the DeviceCloudPolicyInvalidator unregister itself as an observer of
707 // per-Profile InvalidationServices and the device-global
708 // invalidation::TiclInvalidationService it may have created as an observer of
709 // the DeviceOAuth2TokenService that is about to be destroyed.
710 g_browser_process->platform_part()->browser_policy_connector_chromeos()->
711 ShutdownInvalidator();
713 // We first call PostMainMessageLoopRun and then destroy UserManager, because
714 // Ash needs to be closed before UserManager is destroyed.
715 ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
717 input_method::Shutdown();
719 // Stops all in-flight OAuth2 token fetchers before the IO thread stops.
720 DeviceOAuth2TokenServiceFactory::Shutdown();
723 // ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() to be
724 // executed after execution of chrome::CloseAsh(), because some
725 // parts of WebUI depends on NetworkPortalDetector.
726 NetworkPortalDetector::Shutdown();
728 g_browser_process->platform_part()->DestroyChromeUserManager();
730 g_browser_process->platform_part()->ShutdownSessionManager();
733 void ChromeBrowserMainPartsChromeos::PostDestroyThreads() {
734 // Destroy DBus services immediately after threads are stopped.
735 dbus_services_.reset();
737 ChromeBrowserMainPartsLinux::PostDestroyThreads();
739 // Destroy DeviceSettingsService after g_browser_process.
740 DeviceSettingsService::Shutdown();
743 } // namespace chromeos