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 "ui/gfx/rect.h"
15 #include "ui/gfx/size.h"
21 class UserAddingScreenImpl : public UserAddingScreen {
23 virtual void Start() OVERRIDE;
24 virtual void Cancel() OVERRIDE;
25 virtual bool IsRunning() OVERRIDE;
27 virtual void AddObserver(Observer* observer) OVERRIDE;
28 virtual void RemoveObserver(Observer* observer) OVERRIDE;
30 static UserAddingScreenImpl* GetInstance();
32 friend struct DefaultSingletonTraits<UserAddingScreenImpl>;
34 void OnDisplayHostCompletion();
36 UserAddingScreenImpl();
37 virtual ~UserAddingScreenImpl();
39 ObserverList<Observer> observers_;
40 LoginDisplayHost* display_host_;
43 void UserAddingScreenImpl::Start() {
45 gfx::Rect screen_bounds(chromeos::CalculateScreenBounds(gfx::Size()));
46 display_host_ = new chromeos::LoginDisplayHostImpl(screen_bounds);
47 display_host_->StartUserAdding(
48 base::Bind(&UserAddingScreenImpl::OnDisplayHostCompletion,
49 base::Unretained(this)));
50 FOR_EACH_OBSERVER(Observer, observers_, OnUserAddingStarted());
53 void UserAddingScreenImpl::Cancel() {
56 // Make sure that system tray is enabled after this flow.
57 ash::Shell::GetInstance()->GetPrimarySystemTray()->SetEnabled(true);
58 display_host_->Finalize();
61 bool UserAddingScreenImpl::IsRunning() {
62 return display_host_ != NULL;
65 void UserAddingScreenImpl::AddObserver(Observer* observer) {
66 observers_.AddObserver(observer);
69 void UserAddingScreenImpl::RemoveObserver(Observer* observer) {
70 observers_.RemoveObserver(observer);
73 void UserAddingScreenImpl::OnDisplayHostCompletion() {
76 FOR_EACH_OBSERVER(Observer, observers_, OnUserAddingFinished());
80 UserAddingScreenImpl* UserAddingScreenImpl::GetInstance() {
81 return Singleton<UserAddingScreenImpl>::get();
84 UserAddingScreenImpl::UserAddingScreenImpl()
85 : display_host_(NULL) {
88 UserAddingScreenImpl::~UserAddingScreenImpl() {
91 } // anonymous namespace
93 UserAddingScreen::UserAddingScreen() {}
94 UserAddingScreen::~UserAddingScreen() {}
96 UserAddingScreen* UserAddingScreen::Get() {
97 return UserAddingScreenImpl::GetInstance();
100 } // namespace chromeos