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/chromeos/login/helper.h"
13 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
14 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
15 #include "ui/gfx/rect.h"
16 #include "ui/gfx/size.h"
22 class UserAddingScreenImpl : public UserAddingScreen {
24 virtual void Start() OVERRIDE;
25 virtual void Cancel() OVERRIDE;
26 virtual bool IsRunning() OVERRIDE;
28 virtual void AddObserver(Observer* observer) OVERRIDE;
29 virtual void RemoveObserver(Observer* observer) OVERRIDE;
31 static UserAddingScreenImpl* GetInstance();
33 friend struct DefaultSingletonTraits<UserAddingScreenImpl>;
35 void OnDisplayHostCompletion();
37 UserAddingScreenImpl();
38 virtual ~UserAddingScreenImpl();
40 ObserverList<Observer> observers_;
41 LoginDisplayHost* display_host_;
44 void UserAddingScreenImpl::Start() {
46 gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
47 display_host_ = new chromeos::LoginDisplayHostImpl(screen_bounds);
48 display_host_->StartUserAdding(
49 base::Bind(&UserAddingScreenImpl::OnDisplayHostCompletion,
50 base::Unretained(this)));
51 FOR_EACH_OBSERVER(Observer, observers_, OnUserAddingStarted());
54 void UserAddingScreenImpl::Cancel() {
57 // Make sure that system tray is enabled after this flow.
58 ash::Shell::GetInstance()->GetPrimarySystemTray()->SetEnabled(true);
59 display_host_->Finalize();
61 // Reset wallpaper if cancel adding user from multiple user sign in page.
62 if (UserManager::Get()->IsUserLoggedIn()) {
63 WallpaperManager::Get()->SetUserWallpaperDelayed(
64 UserManager::Get()->GetActiveUser()->email());
68 bool UserAddingScreenImpl::IsRunning() {
69 return display_host_ != NULL;
72 void UserAddingScreenImpl::AddObserver(Observer* observer) {
73 observers_.AddObserver(observer);
76 void UserAddingScreenImpl::RemoveObserver(Observer* observer) {
77 observers_.RemoveObserver(observer);
80 void UserAddingScreenImpl::OnDisplayHostCompletion() {
83 FOR_EACH_OBSERVER(Observer, observers_, OnUserAddingFinished());
87 UserAddingScreenImpl* UserAddingScreenImpl::GetInstance() {
88 return Singleton<UserAddingScreenImpl>::get();
91 UserAddingScreenImpl::UserAddingScreenImpl()
92 : display_host_(NULL) {
95 UserAddingScreenImpl::~UserAddingScreenImpl() {
98 } // anonymous namespace
100 UserAddingScreen::UserAddingScreen() {}
101 UserAddingScreen::~UserAddingScreen() {}
103 UserAddingScreen* UserAddingScreen::Get() {
104 return UserAddingScreenImpl::GetInstance();
107 } // namespace chromeos