1 // Copyright 2014 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/login/ui/user_adding_screen.h"
8 #include "ash/system/tray/system_tray.h"
10 #include "base/memory/singleton.h"
11 #include "base/observer_list.h"
12 #include "chrome/browser/browser_process.h"
13 #include "chrome/browser/chromeos/login/helper.h"
14 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
15 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
16 #include "components/session_manager/core/session_manager.h"
17 #include "components/user_manager/user_manager.h"
18 #include "ui/gfx/rect.h"
19 #include "ui/gfx/size.h"
25 class UserAddingScreenImpl : public UserAddingScreen {
27 virtual void Start() OVERRIDE;
28 virtual void Cancel() OVERRIDE;
29 virtual bool IsRunning() OVERRIDE;
31 virtual void AddObserver(Observer* observer) OVERRIDE;
32 virtual void RemoveObserver(Observer* observer) OVERRIDE;
34 static UserAddingScreenImpl* GetInstance();
36 friend struct DefaultSingletonTraits<UserAddingScreenImpl>;
38 void OnDisplayHostCompletion();
40 UserAddingScreenImpl();
41 virtual ~UserAddingScreenImpl();
43 ObserverList<Observer> observers_;
44 LoginDisplayHost* display_host_;
47 void UserAddingScreenImpl::Start() {
49 gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
50 display_host_ = new chromeos::LoginDisplayHostImpl(screen_bounds);
51 display_host_->StartUserAdding(
52 base::Bind(&UserAddingScreenImpl::OnDisplayHostCompletion,
53 base::Unretained(this)));
55 g_browser_process->platform_part()->SessionManager()->SetSessionState(
56 session_manager::SESSION_STATE_LOGIN_SECONDARY);
57 FOR_EACH_OBSERVER(Observer, observers_, OnUserAddingStarted());
60 void UserAddingScreenImpl::Cancel() {
63 // Make sure that system tray is enabled after this flow.
64 ash::Shell::GetInstance()->GetPrimarySystemTray()->SetEnabled(true);
65 display_host_->Finalize();
67 // Reset wallpaper if cancel adding user from multiple user sign in page.
68 if (user_manager::UserManager::Get()->IsUserLoggedIn()) {
69 WallpaperManager::Get()->SetUserWallpaperDelayed(
70 user_manager::UserManager::Get()->GetActiveUser()->email());
74 bool UserAddingScreenImpl::IsRunning() {
75 return display_host_ != NULL;
78 void UserAddingScreenImpl::AddObserver(Observer* observer) {
79 observers_.AddObserver(observer);
82 void UserAddingScreenImpl::RemoveObserver(Observer* observer) {
83 observers_.RemoveObserver(observer);
86 void UserAddingScreenImpl::OnDisplayHostCompletion() {
90 g_browser_process->platform_part()->SessionManager()->SetSessionState(
91 session_manager::SESSION_STATE_ACTIVE);
92 FOR_EACH_OBSERVER(Observer, observers_, OnUserAddingFinished());
96 UserAddingScreenImpl* UserAddingScreenImpl::GetInstance() {
97 return Singleton<UserAddingScreenImpl>::get();
100 UserAddingScreenImpl::UserAddingScreenImpl()
101 : display_host_(NULL) {
104 UserAddingScreenImpl::~UserAddingScreenImpl() {
107 } // anonymous namespace
109 UserAddingScreen::UserAddingScreen() {}
110 UserAddingScreen::~UserAddingScreen() {}
112 UserAddingScreen* UserAddingScreen::Get() {
113 return UserAddingScreenImpl::GetInstance();
116 } // namespace chromeos