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// 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.
#ifndef CHROME_BROWSER_UI_ASH_SESSION_CONTROLLER_CLIENT_H_
#define CHROME_BROWSER_UI_ASH_SESSION_CONTROLLER_CLIENT_H_
#include "ash/public/interfaces/session_controller.mojom.h"
#include "base/macros.h"
#include "components/session_manager/core/session_manager_observer.h"
#include "components/user_manager/user_manager.h"
#include "mojo/public/cpp/bindings/binding.h"
namespace ash {
enum class AddUserSessionPolicy;
}
namespace user_manager {
class User;
}
// Updates session state etc to ash via SessionController interface and handles
// session related calls from ash.
// TODO(xiyuan): Update when UserSessionStateObserver is gone.
class SessionControllerClient
: public ash::mojom::SessionControllerClient,
public user_manager::UserManager::UserSessionStateObserver,
public user_manager::UserManager::Observer,
public session_manager::SessionManagerObserver {
public:
SessionControllerClient();
~SessionControllerClient() override;
// ash::mojom::SessionControllerClient:
void RequestLockScreen() override;
void SwitchActiveUser(const AccountId& account_id) override;
void CycleActiveUser(bool next_user) override;
// user_manager::UserManager::UserSessionStateObserver:
void ActiveUserChanged(const user_manager::User* active_user) override;
void UserAddedToSession(const user_manager::User* added_user) override;
// user_manager::UserManager::Observer
void OnUserImageChanged(const user_manager::User& user) override;
// session_manager::SessionManagerObserver:
void OnSessionStateChanged() override;
// TODO(xiyuan): Remove after SessionStateDelegateChromeOS is gone.
static bool CanLockScreen();
static bool ShouldLockScreenAutomatically();
static ash::AddUserSessionPolicy GetAddUserSessionPolicy();
static void DoLockScreen();
static void DoSwitchActiveUser(const AccountId& account_id);
static void DoCycleActiveUser(bool next_user);
// Flushes the mojo pipe to ash.
static void FlushForTesting();
private:
// Connects or reconnects to the |session_controller_| interface and set
// this object as its client.
void ConnectToSessionControllerAndSetClient();
// Sends session info to ash.
void SendSessionInfoIfChanged();
// Sends the user session info.
void SendUserSession(const user_manager::User& user);
// Sends the order of user sessions to ash.
void SendUserSessionOrder();
// Binds to the client interface.
mojo::Binding<ash::mojom::SessionControllerClient> binding_;
// SessionController interface in ash.
ash::mojom::SessionControllerPtr session_controller_;
// Whether the primary user session info is sent to ash.
bool primary_user_session_sent_ = false;
ash::mojom::SessionInfoPtr last_sent_session_info_;
DISALLOW_COPY_AND_ASSIGN(SessionControllerClient);
};
#endif // CHROME_BROWSER_UI_ASH_SESSION_CONTROLLER_CLIENT_H_
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