chromeos: Move files in //ash/common to //ash, part 2

ash/common/session/session_controller.cc

-// Copyright 2016 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 "ash/common/session/session_controller.h"
-
-#include <algorithm>
-
-#include "ash/common/session/session_state_observer.h"
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "components/signin/core/account_id/account_id.h"
-#include "services/service_manager/public/cpp/connector.h"
-
-namespace ash {
-
-SessionController::SessionController() {}
-
-SessionController::~SessionController() {}
-
-void SessionController::BindRequest(mojom::SessionControllerRequest request) {
-  bindings_.AddBinding(this, std::move(request));
-}
-
-int SessionController::GetMaximumNumberOfLoggedInUsers() const {
-  return session_manager::kMaxmiumNumberOfUserSessions;
-}
-
-int SessionController::NumberOfLoggedInUsers() const {
-  return static_cast<int>(user_sessions_.size());
-}
-
-AddUserSessionPolicy SessionController::GetAddUserPolicy() const {
-  return add_user_session_policy_;
-}
-
-bool SessionController::IsActiveUserSessionStarted() const {
-  return !user_sessions_.empty();
-}
-
-bool SessionController::CanLockScreen() const {
-  return can_lock_;
-}
-
-bool SessionController::IsScreenLocked() const {
-  return state_ == session_manager::SessionState::LOCKED;
-}
-
-bool SessionController::ShouldLockScreenAutomatically() const {
-  return should_lock_screen_automatically_;
-}
-
-bool SessionController::IsUserSessionBlocked() const {
-  return state_ != session_manager::SessionState::ACTIVE;
-}
-
-session_manager::SessionState SessionController::GetSessionState() const {
-  return state_;
-}
-
-const std::vector<mojom::UserSessionPtr>& SessionController::GetUserSessions()
-    const {
-  return user_sessions_;
-}
-
-void SessionController::LockScreen() {
-  if (client_)
-    client_->RequestLockScreen();
-}
-
-void SessionController::SwitchActiveUser(const AccountId& account_id) {
-  if (client_)
-    client_->SwitchActiveUser(account_id);
-}
-
-void SessionController::CycleActiveUser(CycleUserDirection direction) {
-  if (client_)
-    client_->CycleActiveUser(direction);
-}
-
-void SessionController::AddSessionStateObserver(
-    SessionStateObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void SessionController::RemoveSessionStateObserver(
-    SessionStateObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-void SessionController::SetClient(mojom::SessionControllerClientPtr client) {
-  client_ = std::move(client);
-}
-
-void SessionController::SetSessionInfo(mojom::SessionInfoPtr info) {
-  can_lock_ = info->can_lock_screen;
-  should_lock_screen_automatically_ = info->should_lock_screen_automatically;
-  add_user_session_policy_ = info->add_user_session_policy;
-  SetSessionState(info->state);
-}
-
-void SessionController::UpdateUserSession(mojom::UserSessionPtr user_session) {
-  auto it =
-      std::find_if(user_sessions_.begin(), user_sessions_.end(),
-                   [&user_session](const mojom::UserSessionPtr& session) {
-                     return session->session_id == user_session->session_id;
-                   });
-  if (it == user_sessions_.end()) {
-    AddUserSession(std::move(user_session));
-    return;
-  }
-
-  *it = std::move(user_session);
-  // TODO(xiyuan): Notify observers about meta change to replace things such as
-  //     NOTIFICATION_LOGIN_USER_IMAGE_CHANGED. http://crbug.com/670422
-}
-
-void SessionController::SetUserSessionOrder(
-    const std::vector<uint32_t>& user_session_order) {
-  DCHECK_EQ(user_sessions_.size(), user_session_order.size());
-
-  // Adjusts |user_sessions_| to match the given order.
-  std::vector<mojom::UserSessionPtr> sessions;
-  for (const auto& session_id : user_session_order) {
-    auto it =
-        std::find_if(user_sessions_.begin(), user_sessions_.end(),
-                     [session_id](const mojom::UserSessionPtr& session) {
-                       return session && session->session_id == session_id;
-                     });
-    if (it == user_sessions_.end()) {
-      LOG(ERROR) << "Unknown session id =" << session_id;
-      continue;
-    }
-
-    sessions.push_back(std::move(*it));
-  }
-  user_sessions_.swap(sessions);
-
-  // Check active user change and notifies observers.
-  if (user_sessions_[0]->session_id != active_session_id_) {
-    active_session_id_ = user_sessions_[0]->session_id;
-
-    for (auto& observer : observers_)
-      observer.ActiveUserChanged(user_sessions_[0]->account_id);
-  }
-}
-
-void SessionController::SetSessionState(session_manager::SessionState state) {
-  if (state_ == state)
-    return;
-
-  state_ = state;
-  for (auto& observer : observers_)
-    observer.SessionStateChanged(state_);
-}
-
-void SessionController::AddUserSession(mojom::UserSessionPtr user_session) {
-  const AccountId account_id(user_session->account_id);
-
-  user_sessions_.push_back(std::move(user_session));
-
-  for (auto& observer : observers_)
-    observer.UserAddedToSession(account_id);
-}
-
-}  // namespace ash