ash: Use SessionController instead of SessionStateDelegate

chrome/browser/ui/ash/session_state_delegate_chromeos.cc

 // Copyright (c) 2013 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/ui/ash/session_state_delegate_chromeos.h"
 
-#include "ash/common/session/session_state_observer.h"
 #include "ash/common/wm_window.h"
 #include "ash/content/shell_content_state.h"
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "chrome/browser/chromeos/login/lock/screen_locker.h"
-#include "chrome/browser/chromeos/login/ui/user_adding_screen.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
-#include "chrome/browser/chromeos/profiles/profile_helper.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
-#include "chrome/browser/ui/ash/session_controller_client.h"
 #include "chrome/browser/ui/ash/session_util.h"
-#include "chromeos/chromeos_switches.h"
-#include "chromeos/login/login_state.h"
-#include "components/session_manager/core/session_manager.h"
-#include "components/signin/core/account_id/account_id.h"
-#include "components/user_manager/user.h"
-#include "components/user_manager/user_info.h"
-#include "components/user_manager/user_manager.h"
-#include "google_apis/gaia/gaia_auth_util.h"
 #include "ui/gfx/image/image_skia.h"
 
-SessionStateDelegateChromeos::SessionStateDelegateChromeos()
-    : session_state_(session_manager::SessionState::LOGIN_PRIMARY) {
-  user_manager::UserManager::Get()->AddSessionStateObserver(this);
-  chromeos::UserAddingScreen::Get()->AddObserver(this);
+SessionStateDelegateChromeos::SessionStateDelegateChromeos() {}
 
-  // LoginState is not initialized in unit_tests.
-  if (chromeos::LoginState::IsInitialized()) {
-    chromeos::LoginState::Get()->AddObserver(this);
-    // Note that the session state is only set to ACTIVE or LOGIN_PRIMARY
-    // instead of using SessionManager::Get()->session_state(). This is
-    // an intermediate state of replacing SessionStateDelegate with
-    // mojo interfaces. The replacement mojo interface would reflect
-    // real session state in SessionManager and have getters to translate
-    // them in a sensible way to ash code.
-    SetSessionState(chromeos::LoginState::Get()->IsUserLoggedIn()
-                        ? session_manager::SessionState::ACTIVE
-                        : session_manager::SessionState::LOGIN_PRIMARY,
-                    true);
-  }
-}
-
-SessionStateDelegateChromeos::~SessionStateDelegateChromeos() {
-  user_manager::UserManager::Get()->RemoveSessionStateObserver(this);
-  chromeos::UserAddingScreen::Get()->RemoveObserver(this);
-
-  // LoginState is not initialized in unit_tests.
-  if (chromeos::LoginState::IsInitialized())
-    chromeos::LoginState::Get()->RemoveObserver(this);
-}
-
-int SessionStateDelegateChromeos::GetMaximumNumberOfLoggedInUsers() const {
-  // We limit list of logged in users to 10 due to memory constraints.
-  // Note that 10 seems excessive, but we want to test how many users are
-  // actually added to a session.
-  // TODO(nkostylev): Adjust this limitation based on device capabilites.
-  // http://crbug.com/230865
-  return session_manager::kMaxmiumNumberOfUserSessions;
-}
-
-int SessionStateDelegateChromeos::NumberOfLoggedInUsers() const {
-  return user_manager::UserManager::Get()->GetLoggedInUsers().size();
-}
-
-ash::AddUserSessionPolicy
-SessionStateDelegateChromeos::GetAddUserSessionPolicy() const {
-  return SessionControllerClient::GetAddUserSessionPolicy();
-}
-
-bool SessionStateDelegateChromeos::IsActiveUserSessionStarted() const {
-  return session_manager::SessionManager::Get() &&
-         session_manager::SessionManager::Get()->IsSessionStarted();
-}
-
-bool SessionStateDelegateChromeos::CanLockScreen() const {
-  return SessionControllerClient::CanLockScreen();
-}
-
-bool SessionStateDelegateChromeos::IsScreenLocked() const {
-  return chromeos::ScreenLocker::default_screen_locker() &&
-         chromeos::ScreenLocker::default_screen_locker()->locked();
-}
-
-bool SessionStateDelegateChromeos::ShouldLockScreenAutomatically() const {
-  return SessionControllerClient::ShouldLockScreenAutomatically();
-}
-
-void SessionStateDelegateChromeos::LockScreen() {
-  return SessionControllerClient::DoLockScreen();
-}
-
-void SessionStateDelegateChromeos::UnlockScreen() {
-  // This is used only for testing thus far.
-  NOTIMPLEMENTED();
-}
-
-bool SessionStateDelegateChromeos::IsUserSessionBlocked() const {
-  bool has_login_manager = base::CommandLine::ForCurrentProcess()->HasSwitch(
-      chromeos::switches::kLoginManager);
-  return (has_login_manager && !IsActiveUserSessionStarted()) ||
-         IsScreenLocked() ||
-         chromeos::UserAddingScreen::Get()->IsRunning();
-}
-
-session_manager::SessionState SessionStateDelegateChromeos::GetSessionState()
-    const {
-  return session_state_;
-}
-
-const user_manager::UserInfo* SessionStateDelegateChromeos::GetUserInfo(
-    ash::UserIndex index) const {
-  DCHECK_LT(index, NumberOfLoggedInUsers());
-  return user_manager::UserManager::Get()->GetLRULoggedInUsers()[index];
-}
+SessionStateDelegateChromeos::~SessionStateDelegateChromeos() {}
 
 bool SessionStateDelegateChromeos::ShouldShowAvatar(
     ash::WmWindow* window) const {
   return chrome::MultiUserWindowManager::GetInstance()->ShouldShowAvatar(
       ash::WmWindow::GetAuraWindow(window));
 }
 
 gfx::ImageSkia SessionStateDelegateChromeos::GetAvatarImageForWindow(
     ash::WmWindow* window) const {
   content::BrowserContext* context =
       ash::ShellContentState::GetInstance()->GetBrowserContextForWindow(
           ash::WmWindow::GetAuraWindow(window));
   return GetAvatarImageForContext(context);
 }
-
-void SessionStateDelegateChromeos::SwitchActiveUser(
-    const AccountId& account_id) {
-  SessionControllerClient::DoSwitchActiveUser(account_id);
-}
-
-void SessionStateDelegateChromeos::CycleActiveUser(
-    ash::CycleUserDirection direction) {
-  SessionControllerClient::DoCycleActiveUser(direction);
-}
-
-bool SessionStateDelegateChromeos::IsMultiProfileAllowedByPrimaryUserPolicy()
-    const {
-  return chromeos::MultiProfileUserController::GetPrimaryUserPolicy() ==
-         chromeos::MultiProfileUserController::ALLOWED;
-}
-
-void SessionStateDelegateChromeos::AddSessionStateObserver(
-    ash::SessionStateObserver* observer) {
-  session_state_observer_list_.AddObserver(observer);
-}
-
-void SessionStateDelegateChromeos::RemoveSessionStateObserver(
-    ash::SessionStateObserver* observer) {
-  session_state_observer_list_.RemoveObserver(observer);
-}
-
-void SessionStateDelegateChromeos::LoggedInStateChanged() {
-  SetSessionState(chromeos::LoginState::Get()->IsUserLoggedIn()
-                      ? session_manager::SessionState::ACTIVE
-                      : session_manager::SessionState::LOGIN_PRIMARY,
-                  false);
-}
-
-void SessionStateDelegateChromeos::ActiveUserChanged(
-    const user_manager::User* active_user) {
-  for (ash::SessionStateObserver& observer : session_state_observer_list_)
-    observer.ActiveUserChanged(active_user->GetAccountId());
-}
-
-void SessionStateDelegateChromeos::UserAddedToSession(
-    const user_manager::User* added_user) {
-  for (ash::SessionStateObserver& observer : session_state_observer_list_)
-    observer.UserAddedToSession(added_user->GetAccountId());
-}
-
-void SessionStateDelegateChromeos::OnUserAddingStarted() {
-  SetSessionState(session_manager::SessionState::LOGIN_SECONDARY, false);
-}
-
-void SessionStateDelegateChromeos::OnUserAddingFinished() {
-  SetSessionState(session_manager::SessionState::ACTIVE, false);
-}
-
-void SessionStateDelegateChromeos::SetSessionState(
-    session_manager::SessionState new_state,
-    bool force) {
-  if (session_state_ == new_state && !force)
-    return;
-
-  session_state_ = new_state;
-  NotifySessionStateChanged();
-}
-
-void SessionStateDelegateChromeos::NotifySessionStateChanged() {
-  for (ash::SessionStateObserver& observer : session_state_observer_list_)
-    observer.SessionStateChanged(session_state_);
-}