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|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/login/login_display_host_impl.h"
#include <vector>
#include "ash/desktop_background/desktop_background_controller.h"
#include "ash/desktop_background/user_wallpaper_delegate.h"
#include "ash/shell.h"
#include "ash/shell_window_ids.h"
#include "ash/wm/solo_window_tracker.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/debug/trace_event.h"
#include "base/logging.h"
#include "base/prefs/pref_service.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "base/time/time.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
#include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
#include "chrome/browser/chromeos/base/locale_util.h"
#include "chrome/browser/chromeos/boot_times_loader.h"
#include "chrome/browser/chromeos/customization_document.h"
#include "chrome/browser/chromeos/first_run/drive_first_run_controller.h"
#include "chrome/browser/chromeos/first_run/first_run_controller.h"
#include "chrome/browser/chromeos/input_method/input_method_util.h"
#include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
#include "chrome/browser/chromeos/language_preferences.h"
#include "chrome/browser/chromeos/login/existing_user_controller.h"
#include "chrome/browser/chromeos/login/helper.h"
#include "chrome/browser/chromeos/login/input_events_blocker.h"
#include "chrome/browser/chromeos/login/keyboard_driven_oobe_key_handler.h"
#include "chrome/browser/chromeos/login/login_utils.h"
#include "chrome/browser/chromeos/login/login_wizard.h"
#include "chrome/browser/chromeos/login/oobe_display.h"
#include "chrome/browser/chromeos/login/startup_utils.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/chromeos/login/webui_login_display.h"
#include "chrome/browser/chromeos/login/webui_login_view.h"
#include "chrome/browser/chromeos/login/wizard_controller.h"
#include "chrome/browser/chromeos/mobile_config.h"
#include "chrome/browser/chromeos/policy/auto_enrollment_client.h"
#include "chrome/browser/chromeos/system/input_device_settings.h"
#include "chrome/browser/chromeos/ui/focus_ring_controller.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/policy/browser_policy_connector.h"
#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/pref_names.h"
#include "chromeos/chromeos_constants.h"
#include "chromeos/chromeos_switches.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/session_manager_client.h"
#include "chromeos/ime/input_method_manager.h"
#include "chromeos/login/login_state.h"
#include "chromeos/settings/timezone_settings.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "content/public/browser/web_ui.h"
#include "grit/browser_resources.h"
#include "media/audio/sounds/sounds_manager.h"
#include "ui/aura/window.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animation_observer.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/events/event_utils.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/transform.h"
#include "ui/views/focus/focus_manager.h"
#include "ui/views/widget/widget.h"
#include "url/gurl.h"
namespace {
const int kStartupSoundInitialDelayMs = 500;
// URL which corresponds to the login WebUI.
const char kLoginURL[] = "chrome://oobe/login";
// URL which corresponds to the OOBE WebUI.
const char kOobeURL[] = "chrome://oobe/oobe";
// URL which corresponds to the user adding WebUI.
const char kUserAddingURL[] = "chrome://oobe/user-adding";
// URL which corresponds to the app launch splash WebUI.
const char kAppLaunchSplashURL[] = "chrome://oobe/app-launch-splash";
// Duration of sign-in transition animation.
const int kLoginFadeoutTransitionDurationMs = 700;
// Number of times we try to reload OOBE/login WebUI if it crashes.
const int kCrashCountLimit = 5;
// Whether to enable tnitializing WebUI in hidden state (see
// |initialize_webui_hidden_|) by default.
const bool kHiddenWebUIInitializationDefault = true;
// Switch values that might be used to override WebUI init type.
const char kWebUIInitParallel[] = "parallel";
const char kWebUIInitPostpone[] = "postpone";
// The delay of triggering initialization of the device policy subsystem
// after the login screen is initialized. This makes sure that device policy
// network requests are made while the system is idle waiting for user input.
const int64 kPolicyServiceInitializationDelayMilliseconds = 100;
// Determines the hardware keyboard from the given locale code
// and the OEM layout information, and saves it to "Locale State".
// The information will be used in InputMethodUtil::GetHardwareInputMethodId().
void DetermineAndSaveHardwareKeyboard(const std::string& locale,
const std::string& oem_layout) {
std::string layout;
if (!oem_layout.empty()) {
// If the OEM layout information is provided, use it.
layout = oem_layout;
} else {
chromeos::input_method::InputMethodManager* manager =
chromeos::input_method::InputMethodManager::Get();
// Otherwise, determine the hardware keyboard from the locale.
std::vector<std::string> input_method_ids;
if (manager->GetInputMethodUtil()->GetInputMethodIdsFromLanguageCode(
locale,
chromeos::input_method::kKeyboardLayoutsOnly,
&input_method_ids)) {
// The output list |input_method_ids| is sorted by popularity, hence
// input_method_ids[0] now contains the most popular keyboard layout
// for the given locale.
layout = input_method_ids[0];
}
}
if (!layout.empty()) {
PrefService* prefs = g_browser_process->local_state();
prefs->SetString(prefs::kHardwareKeyboardLayout, layout);
// This asks the file thread to save the prefs (i.e. doesn't block).
// The latest values of Local State reside in memory so we can safely
// get the value of kHardwareKeyboardLayout even if the data is not
// yet saved to disk.
prefs->CommitPendingWrite();
}
}
// A class to observe an implicit animation and invokes the callback after the
// animation is completed.
class AnimationObserver : public ui::ImplicitAnimationObserver {
public:
explicit AnimationObserver(const base::Closure& callback)
: callback_(callback) {}
virtual ~AnimationObserver() {}
private:
// ui::ImplicitAnimationObserver implementation:
virtual void OnImplicitAnimationsCompleted() OVERRIDE {
callback_.Run();
delete this;
}
base::Closure callback_;
DISALLOW_COPY_AND_ASSIGN(AnimationObserver);
};
void PlayStartupSoundHelper(bool startup_sound_honors_spoken_feedback) {
if (!startup_sound_honors_spoken_feedback ||
chromeos::AccessibilityManager::Get()->IsSpokenFeedbackEnabled()) {
media::SoundsManager::Get()->Play(media::SoundsManager::SOUND_STARTUP);
}
}
// ShowLoginWizard is split into two parts. This function is sometimes called
// from ShowLoginWizard(), and sometimes from OnLanguageSwitchedCallback()
// (if locale was updated).
void ShowLoginWizardFinish(
const std::string& first_screen_name,
const chromeos::StartupCustomizationDocument* startup_manifest,
chromeos::LoginDisplayHost* display_host) {
scoped_ptr<DictionaryValue> params;
display_host->StartWizard(first_screen_name, params.Pass());
chromeos::DBusThreadManager::Get()->
GetSessionManagerClient()->
EmitLoginPromptReady();
TRACE_EVENT0("chromeos", "ShowLoginWizard::EmitLoginPromptReady");
// Set initial timezone if specified by customization.
const std::string timezone_name = startup_manifest->initial_timezone();
VLOG(1) << "Initial time zone: " << timezone_name;
// Apply locale customizations only once to preserve whatever locale
// user has changed to during OOBE.
if (!timezone_name.empty()) {
chromeos::system::TimezoneSettings::GetInstance()->SetTimezoneFromID(
UTF8ToUTF16(timezone_name));
}
}
struct ShowLoginWizardSwitchLanguageCallbackData {
explicit ShowLoginWizardSwitchLanguageCallbackData(
const std::string& first_screen_name,
const chromeos::StartupCustomizationDocument* startup_manifest,
chromeos::LoginDisplayHost* display_host)
: first_screen_name(first_screen_name),
startup_manifest(startup_manifest),
display_host(display_host) {}
const std::string first_screen_name;
const chromeos::StartupCustomizationDocument* const startup_manifest;
chromeos::LoginDisplayHost* const display_host;
// lock UI while resource bundle is being reloaded.
chromeos::InputEventsBlocker events_blocker;
};
void OnLanguageSwitchedCallback(
scoped_ptr<ShowLoginWizardSwitchLanguageCallbackData> self,
const std::string& locale,
const std::string& loaded_locale,
const bool success) {
if (!success)
LOG(WARNING) << "Locale could not be found for '" << locale << "'";
ShowLoginWizardFinish(
self->first_screen_name, self->startup_manifest, self->display_host);
}
} // namespace
namespace chromeos {
// static
LoginDisplayHost* LoginDisplayHostImpl::default_host_ = NULL;
// static
const int LoginDisplayHostImpl::kShowLoginWebUIid = 0x1111;
////////////////////////////////////////////////////////////////////////////////
// LoginDisplayHostImpl, public
LoginDisplayHostImpl::LoginDisplayHostImpl(const gfx::Rect& background_bounds)
: background_bounds_(background_bounds),
pointer_factory_(this),
shutting_down_(false),
oobe_progress_bar_visible_(false),
session_starting_(false),
login_window_(NULL),
login_view_(NULL),
webui_login_display_(NULL),
is_showing_login_(false),
is_wallpaper_loaded_(false),
status_area_saved_visibility_(false),
crash_count_(0),
restore_path_(RESTORE_UNKNOWN),
auto_enrollment_check_done_(false),
finalize_animation_type_(ANIMATION_WORKSPACE),
animation_weak_ptr_factory_(this),
startup_sound_requested_(false),
startup_sound_played_(false),
startup_sound_honors_spoken_feedback_(false) {
DBusThreadManager::Get()->GetSessionManagerClient()->AddObserver(this);
// We need to listen to CLOSE_ALL_BROWSERS_REQUEST but not APP_TERMINATING
// because/ APP_TERMINATING will never be fired as long as this keeps
// ref-count. CLOSE_ALL_BROWSERS_REQUEST is safe here because there will be no
// browser instance that will block the shutdown.
registrar_.Add(this,
chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
content::NotificationService::AllSources());
// NOTIFICATION_BROWSER_OPENED is issued after browser is created, but
// not shown yet. Lock window has to be closed at this point so that
// a browser window exists and the window can acquire input focus.
registrar_.Add(this,
chrome::NOTIFICATION_BROWSER_OPENED,
content::NotificationService::AllSources());
// Login screen is moved to lock screen container when user logs in.
registrar_.Add(this,
chrome::NOTIFICATION_LOGIN_USER_CHANGED,
content::NotificationService::AllSources());
DCHECK(default_host_ == NULL);
default_host_ = this;
// Make sure chrome won't exit while we are at login/oobe screen.
chrome::StartKeepAlive();
bool is_registered = StartupUtils::IsDeviceRegistered();
bool zero_delay_enabled = WizardController::IsZeroDelayEnabled();
bool disable_boot_animation = CommandLine::ForCurrentProcess()->
HasSwitch(switches::kDisableBootAnimation);
bool disable_oobe_animation = CommandLine::ForCurrentProcess()->
HasSwitch(switches::kDisableOobeAnimation);
waiting_for_wallpaper_load_ =
!zero_delay_enabled &&
(is_registered || !disable_oobe_animation) &&
(!is_registered || !disable_boot_animation);
// For slower hardware we have boot animation disabled so
// we'll be initializing WebUI hidden, waiting for user pods to load and then
// show WebUI at once.
waiting_for_user_pods_ = !zero_delay_enabled && !waiting_for_wallpaper_load_;
initialize_webui_hidden_ =
kHiddenWebUIInitializationDefault && !zero_delay_enabled;
// Check if WebUI init type is overriden.
if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshWebUIInit)) {
const std::string override_type = CommandLine::ForCurrentProcess()->
GetSwitchValueASCII(switches::kAshWebUIInit);
if (override_type == kWebUIInitParallel)
initialize_webui_hidden_ = true;
else if (override_type == kWebUIInitPostpone)
initialize_webui_hidden_ = false;
}
// Always postpone WebUI initialization on first boot, otherwise we miss
// initial animation.
if (!StartupUtils::IsOobeCompleted())
initialize_webui_hidden_ = false;
// There is no wallpaper for KioskMode, don't initialize the webui hidden.
if (chromeos::KioskModeSettings::Get()->IsKioskModeEnabled())
initialize_webui_hidden_ = false;
if (waiting_for_wallpaper_load_) {
registrar_.Add(this, chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED,
content::NotificationService::AllSources());
}
// When we wait for WebUI to be initialized we wait for one of
// these notifications.
if ((waiting_for_user_pods_ || waiting_for_wallpaper_load_)
&& initialize_webui_hidden_) {
registrar_.Add(this, chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
content::NotificationService::AllSources());
registrar_.Add(this, chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
content::NotificationService::AllSources());
}
LOG(WARNING) << "Login WebUI >> "
<< "zero_delay: " << zero_delay_enabled
<< " wait_for_wp_load_: " << waiting_for_wallpaper_load_
<< " wait_for_pods_: " << waiting_for_user_pods_
<< " init_webui_hidden_: " << initialize_webui_hidden_;
}
LoginDisplayHostImpl::~LoginDisplayHostImpl() {
DBusThreadManager::Get()->GetSessionManagerClient()->RemoveObserver(this);
views::FocusManager::set_arrow_key_traversal_enabled(false);
ResetLoginWindowAndView();
// Let chrome process exit after login/oobe screen if needed.
chrome::EndKeepAlive();
default_host_ = NULL;
// TODO(dzhioev): find better place for starting tutorial.
if (CommandLine::ForCurrentProcess()->
HasSwitch(switches::kEnableFirstRunUI) &&
chromeos::UserManager::Get()->IsCurrentUserNew()) {
// FirstRunController manages its lifetime and destructs after tutorial
// completion.
(new FirstRunController())->Start();
}
// TODO(tengs): This should be refactored together with the first run UI.
// See crbug.com/314934.
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableDriveOfflineFirstRun)) {
if (UserManager::Get()->IsCurrentUserNew()) {
// DriveOptInController will delete itself when finished.
(new DriveFirstRunController())->EnableOfflineMode();
}
}
}
////////////////////////////////////////////////////////////////////////////////
// LoginDisplayHostImpl, LoginDisplayHost implementation:
LoginDisplay* LoginDisplayHostImpl::CreateLoginDisplay(
LoginDisplay::Delegate* delegate) {
webui_login_display_ = new WebUILoginDisplay(delegate);
webui_login_display_->set_background_bounds(background_bounds());
return webui_login_display_;
}
gfx::NativeWindow LoginDisplayHostImpl::GetNativeWindow() const {
return login_window_ ? login_window_->GetNativeWindow() : NULL;
}
WebUILoginView* LoginDisplayHostImpl::GetWebUILoginView() const {
return login_view_;
}
void LoginDisplayHostImpl::BeforeSessionStart() {
session_starting_ = true;
}
void LoginDisplayHostImpl::Finalize() {
DVLOG(1) << "Session starting";
if (ash::Shell::HasInstance()) {
ash::Shell::GetInstance()->
desktop_background_controller()->MoveDesktopToUnlockedContainer();
}
if (wizard_controller_.get())
wizard_controller_->OnSessionStart();
switch (finalize_animation_type_) {
case ANIMATION_NONE:
ShutdownDisplayHost(false);
break;
case ANIMATION_WORKSPACE:
if (ash::Shell::HasInstance())
ScheduleWorkspaceAnimation();
ShutdownDisplayHost(false);
break;
case ANIMATION_FADE_OUT:
// Display host is deleted once animation is completed
// since sign in screen widget has to stay alive.
ScheduleFadeOutAnimation();
break;
}
}
void LoginDisplayHostImpl::OnCompleteLogin() {
// Cancelling the |auto_enrollment_client_| now allows it to determine whether
// its protocol finished before login was complete.
if (auto_enrollment_client_.get())
auto_enrollment_client_.release()->CancelAndDeleteSoon();
}
void LoginDisplayHostImpl::OpenProxySettings() {
if (login_view_)
login_view_->OpenProxySettings();
}
void LoginDisplayHostImpl::SetStatusAreaVisible(bool visible) {
if (initialize_webui_hidden_)
status_area_saved_visibility_ = visible;
else if (login_view_)
login_view_->SetStatusAreaVisible(visible);
}
void LoginDisplayHostImpl::CheckForAutoEnrollment() {
// This method is called when the controller determines that the
// auto-enrollment check can start. This happens either after the EULA is
// accepted, or right after a reboot if the EULA has already been accepted.
if (policy::AutoEnrollmentClient::IsDisabled()) {
VLOG(1) << "CheckForAutoEnrollment: auto-enrollment disabled";
auto_enrollment_check_done_ = true;
return;
}
// Start by checking if the device has already been owned.
pointer_factory_.InvalidateWeakPtrs();
DeviceSettingsService::Get()->GetOwnershipStatusAsync(
base::Bind(&LoginDisplayHostImpl::OnOwnershipStatusCheckDone,
pointer_factory_.GetWeakPtr()));
}
void LoginDisplayHostImpl::GetAutoEnrollmentCheckResult(
const GetAutoEnrollmentCheckResultCallback& callback) {
DCHECK(!callback.is_null());
if (auto_enrollment_check_done_) {
callback.Run(auto_enrollment_client_ &&
auto_enrollment_client_->should_auto_enroll());
return;
}
get_auto_enrollment_result_callbacks_.push_back(callback);
}
void LoginDisplayHostImpl::StartWizard(
const std::string& first_screen_name,
scoped_ptr<DictionaryValue> screen_parameters) {
TryToPlayStartupSound(false);
// Keep parameters to restore if renderer crashes.
restore_path_ = RESTORE_WIZARD;
wizard_first_screen_name_ = first_screen_name;
if (screen_parameters.get())
wizard_screen_parameters_.reset(screen_parameters->DeepCopy());
else
wizard_screen_parameters_.reset();
is_showing_login_ = false;
if (waiting_for_wallpaper_load_ && !initialize_webui_hidden_) {
LOG(WARNING) << "Login WebUI >> wizard postponed";
return;
}
LOG(WARNING) << "Login WebUI >> wizard";
if (!login_window_)
LoadURL(GURL(kOobeURL));
DVLOG(1) << "Starting wizard, first_screen_name: " << first_screen_name;
// Create and show the wizard.
// Note, dtor of the old WizardController should be called before ctor of the
// new one, because "default_controller()" is updated there. So pure "reset()"
// is done before new controller creation.
wizard_controller_.reset();
wizard_controller_.reset(CreateWizardController());
oobe_progress_bar_visible_ = !StartupUtils::IsDeviceRegistered();
SetOobeProgressBarVisible(oobe_progress_bar_visible_);
wizard_controller_->Init(first_screen_name, screen_parameters.Pass());
}
WizardController* LoginDisplayHostImpl::GetWizardController() {
return wizard_controller_.get();
}
AppLaunchController* LoginDisplayHostImpl::GetAppLaunchController() {
return app_launch_controller_.get();
}
void LoginDisplayHostImpl::StartUserAdding(
const base::Closure& completion_callback) {
restore_path_ = RESTORE_ADD_USER_INTO_SESSION;
completion_callback_ = completion_callback;
finalize_animation_type_ = ANIMATION_NONE;
LOG(WARNING) << "Login WebUI >> user adding";
if (!login_window_)
LoadURL(GURL(kUserAddingURL));
// We should emit this signal only at login screen (after reboot or sign out).
login_view_->set_should_emit_login_prompt_visible(false);
// Lock container can be transparent after lock screen animation.
aura::Window* lock_container = ash::Shell::GetContainer(
ash::Shell::GetPrimaryRootWindow(),
ash::internal::kShellWindowId_LockScreenContainersContainer);
lock_container->layer()->SetOpacity(1.0);
ash::Shell::GetInstance()->
desktop_background_controller()->MoveDesktopToLockedContainer();
sign_in_controller_.reset(); // Only one controller in a time.
sign_in_controller_.reset(new chromeos::ExistingUserController(this));
SetOobeProgressBarVisible(oobe_progress_bar_visible_ = false);
SetStatusAreaVisible(true);
sign_in_controller_->Init(
chromeos::UserManager::Get()->GetUsersAdmittedForMultiProfile());
CHECK(webui_login_display_);
GetOobeUI()->ShowSigninScreen(LoginScreenContext(),
webui_login_display_,
webui_login_display_);
}
void LoginDisplayHostImpl::StartSignInScreen(
const LoginScreenContext& context) {
TryToPlayStartupSound(true);
restore_path_ = RESTORE_SIGN_IN;
is_showing_login_ = true;
finalize_animation_type_ = ANIMATION_WORKSPACE;
PrewarmAuthentication();
if (waiting_for_wallpaper_load_ && !initialize_webui_hidden_) {
LOG(WARNING) << "Login WebUI >> sign in postponed";
return;
}
LOG(WARNING) << "Login WebUI >> sign in";
if (!login_window_) {
TRACE_EVENT_ASYNC_BEGIN0("ui", "ShowLoginWebUI", kShowLoginWebUIid);
TRACE_EVENT_ASYNC_STEP_INTO0(
"ui", "ShowLoginWebUI", kShowLoginWebUIid, "StartSignInScreen");
BootTimesLoader::Get()->RecordCurrentStats("login-start-signin-screen");
LoadURL(GURL(kLoginURL));
}
DVLOG(1) << "Starting sign in screen";
const chromeos::UserList& users = chromeos::UserManager::Get()->GetUsers();
// Fix for users who updated device and thus never passed register screen.
// If we already have users, we assume that it is not a second part of
// OOBE. See http://crosbug.com/6289
if (!StartupUtils::IsDeviceRegistered() && !users.empty()) {
VLOG(1) << "Mark device registered because there are remembered users: "
<< users.size();
StartupUtils::MarkDeviceRegistered();
}
sign_in_controller_.reset(); // Only one controller in a time.
sign_in_controller_.reset(new chromeos::ExistingUserController(this));
oobe_progress_bar_visible_ = !StartupUtils::IsDeviceRegistered();
SetOobeProgressBarVisible(oobe_progress_bar_visible_);
SetStatusAreaVisible(true);
sign_in_controller_->Init(users);
// We might be here after a reboot that was triggered after OOBE was complete,
// so check for auto-enrollment again. This might catch a cached decision from
// a previous oobe flow, or might start a new check with the server.
CheckForAutoEnrollment();
// Initiate services customization manifest fetching.
ServicesCustomizationDocument::GetInstance()->StartFetching();
// Initiate mobile config load.
MobileConfig::GetInstance();
// Initiate device policy fetching.
g_browser_process->browser_policy_connector()->ScheduleServiceInitialization(
kPolicyServiceInitializationDelayMilliseconds);
CHECK(webui_login_display_);
GetOobeUI()->ShowSigninScreen(context,
webui_login_display_,
webui_login_display_);
if (chromeos::KioskModeSettings::Get()->IsKioskModeEnabled())
SetStatusAreaVisible(false);
TRACE_EVENT_ASYNC_STEP_INTO0("ui",
"ShowLoginWebUI",
kShowLoginWebUIid,
"WaitForScreenStateInitialize");
BootTimesLoader::Get()->RecordCurrentStats(
"login-wait-for-signin-state-initialize");
}
void LoginDisplayHostImpl::ResumeSignInScreen() {
// We only get here after a previous call the StartSignInScreen. That sign-in
// was successful but was interrupted by an auto-enrollment execution; once
// auto-enrollment is complete we resume the normal login flow from here.
DVLOG(1) << "Resuming sign in screen";
CHECK(sign_in_controller_.get());
SetOobeProgressBarVisible(oobe_progress_bar_visible_);
SetStatusAreaVisible(true);
sign_in_controller_->ResumeLogin();
}
void LoginDisplayHostImpl::OnPreferencesChanged() {
if (is_showing_login_)
webui_login_display_->OnPreferencesChanged();
}
void LoginDisplayHostImpl::PrewarmAuthentication() {
auth_prewarmer_.reset(new AuthPrewarmer());
auth_prewarmer_->PrewarmAuthentication(
base::Bind(&LoginDisplayHostImpl::OnAuthPrewarmDone,
pointer_factory_.GetWeakPtr()));
}
void LoginDisplayHostImpl::StartAppLaunch(const std::string& app_id) {
LOG(WARNING) << "Login WebUI >> start app launch.";
SetStatusAreaVisible(false);
finalize_animation_type_ = ANIMATION_FADE_OUT;
if (!login_window_)
LoadURL(GURL(kAppLaunchSplashURL));
login_view_->set_should_emit_login_prompt_visible(false);
app_launch_controller_.reset(new AppLaunchController(
app_id, this, GetOobeUI()));
app_launch_controller_->StartAppLaunch();
}
////////////////////////////////////////////////////////////////////////////////
// LoginDisplayHostImpl, public
WizardController* LoginDisplayHostImpl::CreateWizardController() {
// TODO(altimofeev): ensure that WebUI is ready.
OobeDisplay* oobe_display = GetOobeUI();
return new WizardController(this, oobe_display);
}
void LoginDisplayHostImpl::OnBrowserCreated() {
// Close lock window now so that the launched browser can receive focus.
ResetLoginWindowAndView();
}
OobeUI* LoginDisplayHostImpl::GetOobeUI() const {
if (!login_view_)
return NULL;
return static_cast<OobeUI*>(login_view_->GetWebUI()->GetController());
}
////////////////////////////////////////////////////////////////////////////////
// LoginDisplayHostImpl, content:NotificationObserver implementation:
void LoginDisplayHostImpl::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
if (chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED == type) {
LOG(WARNING) << "Login WebUI >> wp animation done";
is_wallpaper_loaded_ = true;
ash::Shell::GetInstance()->user_wallpaper_delegate()
->OnWallpaperBootAnimationFinished();
if (waiting_for_wallpaper_load_) {
// StartWizard / StartSignInScreen could be called multiple times through
// the lifetime of host.
// Make sure that subsequent calls are not postponed.
waiting_for_wallpaper_load_ = false;
if (initialize_webui_hidden_)
ShowWebUI();
else
StartPostponedWebUI();
}
registrar_.Remove(this,
chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED,
content::NotificationService::AllSources());
} else if (chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE == type ||
chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN == type) {
LOG(WARNING) << "Login WebUI >> WEBUI_VISIBLE";
if (waiting_for_user_pods_ && initialize_webui_hidden_) {
waiting_for_user_pods_ = false;
ShowWebUI();
} else if (waiting_for_wallpaper_load_ && initialize_webui_hidden_) {
// Reduce time till login UI is shown - show it as soon as possible.
waiting_for_wallpaper_load_ = false;
ShowWebUI();
}
registrar_.Remove(this,
chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
content::NotificationService::AllSources());
registrar_.Remove(this,
chrome::NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
content::NotificationService::AllSources());
} else if (type == chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST) {
ShutdownDisplayHost(true);
} else if (type == chrome::NOTIFICATION_BROWSER_OPENED && session_starting_) {
// Browsers created before session start (windows opened by extensions, for
// example) are ignored.
OnBrowserCreated();
registrar_.Remove(this,
chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
content::NotificationService::AllSources());
registrar_.Remove(this,
chrome::NOTIFICATION_BROWSER_OPENED,
content::NotificationService::AllSources());
} else if (type == chrome::NOTIFICATION_LOGIN_USER_CHANGED &&
chromeos::UserManager::Get()->IsCurrentUserNew()) {
// For new user, move desktop to locker container so that windows created
// during the user image picker step are below it.
ash::Shell::GetInstance()->
desktop_background_controller()->MoveDesktopToLockedContainer();
registrar_.Remove(this,
chrome::NOTIFICATION_LOGIN_USER_CHANGED,
content::NotificationService::AllSources());
}
}
////////////////////////////////////////////////////////////////////////////////
// LoginDisplayHostImpl, WebContentsObserver implementation:
void LoginDisplayHostImpl::RenderProcessGone(base::TerminationStatus status) {
// Do not try to restore on shutdown
if (browser_shutdown::GetShutdownType() != browser_shutdown::NOT_VALID)
return;
crash_count_++;
if (crash_count_ > kCrashCountLimit)
return;
if (status != base::TERMINATION_STATUS_NORMAL_TERMINATION) {
// Render with login screen crashed. Let's crash browser process to let
// session manager restart it properly. It is hard to reload the page
// and get to controlled state that is fully functional.
// If you see check, search for renderer crash for the same client.
LOG(FATAL) << "Renderer crash on login window";
}
}
////////////////////////////////////////////////////////////////////////////////
// LoginDisplayHostImpl, chromeos::SessionManagerClient::Observer
// implementation:
void LoginDisplayHostImpl::EmitLoginPromptVisibleCalled() {
OnLoginPromptVisible();
}
////////////////////////////////////////////////////////////////////////////////
// LoginDisplayHostImpl, private
void LoginDisplayHostImpl::ShutdownDisplayHost(bool post_quit_task) {
if (shutting_down_)
return;
shutting_down_ = true;
registrar_.RemoveAll();
base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
if (post_quit_task)
base::MessageLoop::current()->Quit();
if (!completion_callback_.is_null())
completion_callback_.Run();
}
void LoginDisplayHostImpl::ScheduleWorkspaceAnimation() {
if (ash::Shell::GetContainer(
ash::Shell::GetPrimaryRootWindow(),
ash::internal::kShellWindowId_DesktopBackgroundContainer)->
children().empty()) {
// If there is no background window, don't perform any animation on the
// default and background layer because there is nothing behind it.
return;
}
if (!CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableLoginAnimations))
ash::Shell::GetInstance()->DoInitialWorkspaceAnimation();
}
void LoginDisplayHostImpl::ScheduleFadeOutAnimation() {
ui::Layer* layer = login_window_->GetLayer();
ui::ScopedLayerAnimationSettings animation(layer->GetAnimator());
animation.AddObserver(new AnimationObserver(
base::Bind(&LoginDisplayHostImpl::ShutdownDisplayHost,
animation_weak_ptr_factory_.GetWeakPtr(),
false)));
layer->SetOpacity(0);
}
void LoginDisplayHostImpl::OnOwnershipStatusCheckDone(
DeviceSettingsService::OwnershipStatus status) {
if (status != DeviceSettingsService::OWNERSHIP_NONE) {
// The device is already owned. No need for auto-enrollment checks.
VLOG(1) << "CheckForAutoEnrollment: device already owned";
auto_enrollment_check_done_ = true;
NotifyAutoEnrollmentCheckResult(false);
return;
}
// Kick off the auto-enrollment client.
if (auto_enrollment_client_.get()) {
// They client might have been started after the EULA screen, but we made
// it to the login screen before it finished. In that case let the current
// client proceed.
//
// CheckForAutoEnrollment() is also called when we reach the sign-in screen,
// because that's what happens after an auto-update.
VLOG(1) << "CheckForAutoEnrollment: client already started";
// If the client already started and already finished too, pass the decision
// to the |sign_in_controller_| now.
if (auto_enrollment_client_->should_auto_enroll())
ForceAutoEnrollment();
} else {
VLOG(1) << "CheckForAutoEnrollment: starting auto-enrollment client";
auto_enrollment_client_.reset(policy::AutoEnrollmentClient::Create(
base::Bind(&LoginDisplayHostImpl::OnAutoEnrollmentClientDone,
base::Unretained(this))));
auto_enrollment_client_->Start();
}
}
void LoginDisplayHostImpl::OnAutoEnrollmentClientDone() {
bool auto_enroll = auto_enrollment_client_->should_auto_enroll();
VLOG(1) << "OnAutoEnrollmentClientDone, decision is " << auto_enroll;
if (auto_enroll)
ForceAutoEnrollment();
auto_enrollment_check_done_ = true;
NotifyAutoEnrollmentCheckResult(auto_enroll);
}
void LoginDisplayHostImpl::ForceAutoEnrollment() {
if (sign_in_controller_.get())
sign_in_controller_->DoAutoEnrollment();
}
void LoginDisplayHostImpl::LoadURL(const GURL& url) {
InitLoginWindowAndView();
// Subscribe to crash events.
content::WebContentsObserver::Observe(login_view_->GetWebContents());
login_view_->LoadURL(url);
}
void LoginDisplayHostImpl::ShowWebUI() {
if (!login_window_ || !login_view_) {
NOTREACHED();
return;
}
LOG(WARNING) << "Login WebUI >> Show already initialized UI";
login_window_->Show();
login_view_->GetWebContents()->GetView()->Focus();
login_view_->SetStatusAreaVisible(status_area_saved_visibility_);
login_view_->OnPostponedShow();
// We should reset this flag to allow changing of status area visibility.
initialize_webui_hidden_ = false;
}
void LoginDisplayHostImpl::StartPostponedWebUI() {
if (!is_wallpaper_loaded_) {
NOTREACHED();
return;
}
LOG(WARNING) << "Login WebUI >> Init postponed WebUI";
// Wallpaper has finished loading before StartWizard/StartSignInScreen has
// been called. In general this should not happen.
// Let go through normal code path when one of those will be called.
if (restore_path_ == RESTORE_UNKNOWN) {
NOTREACHED();
return;
}
switch (restore_path_) {
case RESTORE_WIZARD:
StartWizard(wizard_first_screen_name_,
wizard_screen_parameters_.Pass());
break;
case RESTORE_SIGN_IN:
StartSignInScreen(LoginScreenContext());
break;
case RESTORE_ADD_USER_INTO_SESSION:
StartUserAdding(completion_callback_);
break;
default:
NOTREACHED();
break;
}
}
void LoginDisplayHostImpl::InitLoginWindowAndView() {
if (login_window_)
return;
ash::SoloWindowTracker::SetSoloHeaderEnabled(false);
if (system::keyboard_settings::ForceKeyboardDrivenUINavigation()) {
views::FocusManager::set_arrow_key_traversal_enabled(true);
focus_ring_controller_.reset(new FocusRingController);
focus_ring_controller_->SetVisible(true);
keyboard_driven_oobe_key_handler_.reset(new KeyboardDrivenOobeKeyHandler);
}
views::Widget::InitParams params(
views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.bounds = background_bounds();
params.show_state = ui::SHOW_STATE_FULLSCREEN;
params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
params.parent =
ash::Shell::GetContainer(
ash::Shell::GetPrimaryRootWindow(),
ash::internal::kShellWindowId_LockScreenContainer);
login_window_ = new views::Widget;
login_window_->Init(params);
login_view_ = new WebUILoginView();
login_view_->Init();
if (login_view_->webui_visible())
OnLoginPromptVisible();
views::corewm::SetWindowVisibilityAnimationDuration(
login_window_->GetNativeView(),
base::TimeDelta::FromMilliseconds(kLoginFadeoutTransitionDurationMs));
views::corewm::SetWindowVisibilityAnimationTransition(
login_window_->GetNativeView(),
views::corewm::ANIMATE_HIDE);
login_window_->SetContentsView(login_view_);
// If WebUI is initialized in hidden state, show it only if we're no
// longer waiting for wallpaper animation/user images loading. Otherwise,
// always show it.
if (!initialize_webui_hidden_ ||
(!waiting_for_wallpaper_load_ && !waiting_for_user_pods_)) {
LOG(WARNING) << "Login WebUI >> show login wnd on create";
login_window_->Show();
} else {
LOG(WARNING) << "Login WebUI >> login wnd is hidden on create";
login_view_->set_is_hidden(true);
}
login_window_->GetNativeView()->SetName("WebUILoginView");
}
void LoginDisplayHostImpl::ResetLoginWindowAndView() {
if (!login_window_)
return;
ash::SoloWindowTracker::SetSoloHeaderEnabled(true);
login_window_->Close();
login_window_ = NULL;
login_view_ = NULL;
}
void LoginDisplayHostImpl::OnAuthPrewarmDone() {
auth_prewarmer_.reset();
}
void LoginDisplayHostImpl::SetOobeProgressBarVisible(bool visible) {
GetOobeUI()->ShowOobeUI(visible);
}
void LoginDisplayHostImpl::NotifyAutoEnrollmentCheckResult(
bool should_auto_enroll) {
std::vector<GetAutoEnrollmentCheckResultCallback> callbacks;
callbacks.swap(get_auto_enrollment_result_callbacks_);
for (size_t i = 0; i < callbacks.size(); ++i)
callbacks[i].Run(should_auto_enroll);
}
void LoginDisplayHostImpl::TryToPlayStartupSound(bool honor_spoken_feedback) {
if (startup_sound_requested_)
return;
startup_sound_requested_ = true;
startup_sound_honors_spoken_feedback_ = honor_spoken_feedback;
if (!login_prompt_visible_time_.is_null())
PlayStartupSound();
}
void LoginDisplayHostImpl::OnLoginPromptVisible() {
if (!login_prompt_visible_time_.is_null())
return;
ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
std::vector<base::StringPiece> sound_resources(
media::SoundsManager::SOUND_COUNT);
sound_resources[media::SoundsManager::SOUND_STARTUP] =
bundle.GetRawDataResource(IDR_SOUND_STARTUP_WAV);
sound_resources[media::SoundsManager::SOUND_LOCK] =
bundle.GetRawDataResource(IDR_SOUND_LOCK_WAV);
sound_resources[media::SoundsManager::SOUND_UNLOCK] =
bundle.GetRawDataResource(IDR_SOUND_UNLOCK_WAV);
sound_resources[media::SoundsManager::SOUND_SHUTDOWN] =
bundle.GetRawDataResource(IDR_SOUND_SHUTDOWN_WAV);
for (size_t i = 0; i < sound_resources.size(); ++i) {
DCHECK(!sound_resources[i].empty()) << "System sound " << i << " "
<< "missing.";
}
if (!media::SoundsManager::Get()->Initialize(sound_resources))
LOG(ERROR) << "Failed to initialize SoundsManager.";
login_prompt_visible_time_ = base::TimeTicks::Now();
if (startup_sound_requested_ && !startup_sound_played_)
PlayStartupSound();
}
void LoginDisplayHostImpl::PlayStartupSound() {
if (startup_sound_played_)
return;
startup_sound_played_ = true;
// TODO (ygorshenin@): remove this as soon as crbug.com/315108 will
// be fixed.
return;
const base::TimeDelta delay =
base::TimeDelta::FromMilliseconds(kStartupSoundInitialDelayMs);
const base::TimeDelta delta =
base::TimeTicks::Now() - login_prompt_visible_time_;
// Cras audio server starts initialization after
// login-prompt-visible signal from session manager. Alas, but it
// doesn't send notifications after initialization. Thus, we're
// trying to play startup sound after some delay.
if (delta > delay) {
PlayStartupSoundHelper(startup_sound_honors_spoken_feedback_);
} else {
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&PlayStartupSoundHelper,
startup_sound_honors_spoken_feedback_),
delay - delta);
}
}
////////////////////////////////////////////////////////////////////////////////
// external
// Declared in login_wizard.h so that others don't need to depend on our .h.
// TODO(nkostylev): Split this into a smaller functions.
void ShowLoginWizard(const std::string& first_screen_name) {
if (browser_shutdown::IsTryingToQuit())
return;
VLOG(1) << "Showing OOBE screen: " << first_screen_name;
chromeos::input_method::InputMethodManager* manager =
chromeos::input_method::InputMethodManager::Get();
// Set up keyboards. For example, when |locale| is "en-US", enable US qwerty
// and US dvorak keyboard layouts.
if (g_browser_process && g_browser_process->local_state()) {
manager->SetInputMethodDefault();
PrefService* prefs = g_browser_process->local_state();
// Apply owner preferences for tap-to-click and mouse buttons swap for
// login screen.
system::mouse_settings::SetPrimaryButtonRight(
prefs->GetBoolean(prefs::kOwnerPrimaryMouseButtonRight));
system::touchpad_settings::SetTapToClick(
prefs->GetBoolean(prefs::kOwnerTapToClickEnabled));
}
ui::SetNaturalScroll(CommandLine::ForCurrentProcess()->HasSwitch(
switches::kNaturalScrollDefault));
gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
// Check whether we need to execute OOBE process.
bool oobe_complete = chromeos::StartupUtils::IsOobeCompleted();
if (!oobe_complete) {
LoginState::Get()->SetLoggedInState(
LoginState::LOGGED_IN_OOBE, LoginState::LOGGED_IN_USER_NONE);
} else {
LoginState::Get()->SetLoggedInState(
LoginState::LOGGED_IN_NONE, LoginState::LOGGED_IN_USER_NONE);
}
LoginDisplayHost* display_host = new LoginDisplayHostImpl(screen_bounds);
bool show_app_launch_splash_screen = (first_screen_name ==
chromeos::WizardController::kAppLaunchSplashScreenName);
if (show_app_launch_splash_screen) {
const std::string& auto_launch_app_id =
chromeos::KioskAppManager::Get()->GetAutoLaunchApp();
display_host->StartAppLaunch(auto_launch_app_id);
return;
}
bool show_login_screen =
(first_screen_name.empty() && oobe_complete) ||
first_screen_name == chromeos::WizardController::kLoginScreenName;
if (show_login_screen) {
// R11 > R12 migration fix. See http://crosbug.com/p/4898.
// If user has manually changed locale during R11 OOBE, locale will be set.
// On R12 > R12|R13 etc. this fix won't get activated since
// OOBE process has set kApplicationLocale to non-default value.
PrefService* prefs = g_browser_process->local_state();
if (!prefs->HasPrefPath(prefs::kApplicationLocale)) {
std::string locale = chromeos::StartupUtils::GetInitialLocale();
prefs->SetString(prefs::kApplicationLocale, locale);
manager->EnableLayouts(
locale,
manager->GetInputMethodUtil()->GetHardwareInputMethodId());
base::ThreadRestrictions::ScopedAllowIO allow_io;
const std::string loaded_locale =
ResourceBundle::GetSharedInstance().ReloadLocaleResources(locale);
g_browser_process->SetApplicationLocale(loaded_locale);
}
display_host->StartSignInScreen(LoginScreenContext());
return;
}
// Load startup manifest.
const chromeos::StartupCustomizationDocument* startup_manifest =
chromeos::StartupCustomizationDocument::GetInstance();
// Switch to initial locale if specified by customization
// and has not been set yet. We cannot call
// chromeos::LanguageSwitchMenu::SwitchLanguage here before
// EmitLoginPromptReady.
PrefService* prefs = g_browser_process->local_state();
const std::string current_locale =
prefs->GetString(prefs::kApplicationLocale);
VLOG(1) << "Current locale: " << current_locale;
std::string locale = startup_manifest->initial_locale();
if (!current_locale.empty() || locale.empty()) {
ShowLoginWizardFinish(first_screen_name, startup_manifest, display_host);
return;
}
std::string layout = startup_manifest->keyboard_layout();
VLOG(1) << "Initial locale: " << locale << "keyboard layout " << layout;
// Save initial locale from VPD/customization manifest as current
// Chrome locale. Otherwise it will be lost if Chrome restarts.
// Don't need to schedule pref save because setting initial local
// will enforce preference saving.
prefs->SetString(prefs::kApplicationLocale, locale);
chromeos::StartupUtils::SetInitialLocale(locale);
// Determine keyboard layout from OEM customization (if provided) or
// initial locale and save it in preferences.
DetermineAndSaveHardwareKeyboard(locale, layout);
// Then, enable the hardware keyboard.
manager->EnableLayouts(
locale, manager->GetInputMethodUtil()->GetHardwareInputMethodId());
scoped_ptr<ShowLoginWizardSwitchLanguageCallbackData> data(
new ShowLoginWizardSwitchLanguageCallbackData(
first_screen_name, startup_manifest, display_host));
scoped_ptr<locale_util::SwitchLanguageCallback> callback(
new locale_util::SwitchLanguageCallback(
base::Bind(&OnLanguageSwitchedCallback, base::Passed(data.Pass()))));
// Do not load locale keyboards here.
locale_util::SwitchLanguage(locale, false, callback.Pass());
}
} // namespace chromeos
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