1 // Copyright (c) 2012 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/webui_screen_locker.h"
8 #include "ash/wm/lock_state_controller.h"
9 #include "ash/wm/lock_state_observer.h"
10 #include "base/command_line.h"
11 #include "base/metrics/histogram.h"
12 #include "base/strings/utf_string_conversions.h"
13 #include "base/values.h"
14 #include "chrome/browser/browser_shutdown.h"
15 #include "chrome/browser/chrome_notification_types.h"
16 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
17 #include "chrome/browser/chromeos/login/helper.h"
18 #include "chrome/browser/chromeos/login/screen_locker.h"
19 #include "chrome/browser/chromeos/login/user_manager.h"
20 #include "chrome/browser/chromeos/login/webui_login_display.h"
21 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
22 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
23 #include "chrome/common/url_constants.h"
24 #include "chromeos/dbus/dbus_thread_manager.h"
25 #include "content/public/browser/browser_thread.h"
26 #include "content/public/browser/notification_service.h"
27 #include "content/public/browser/notification_types.h"
28 #include "content/public/browser/render_widget_host_view.h"
29 #include "content/public/browser/web_ui.h"
30 #include "ui/aura/client/capture_client.h"
31 #include "ui/aura/window_event_dispatcher.h"
32 #include "ui/base/l10n/l10n_util.h"
33 #include "ui/base/x/x11_util.h"
34 #include "ui/gfx/screen.h"
35 #include "ui/views/controls/webview/webview.h"
39 // URL which corresponds to the login WebUI.
40 const char kLoginURL[] = "chrome://oobe/lock";
46 ////////////////////////////////////////////////////////////////////////////////
47 // WebUIScreenLocker implementation.
49 WebUIScreenLocker::WebUIScreenLocker(ScreenLocker* screen_locker)
50 : ScreenLockerDelegate(screen_locker),
53 network_state_helper_(new login::NetworkStateHelper),
55 set_should_emit_login_prompt_visible(false);
56 ash::Shell::GetInstance()->lock_state_controller()->AddObserver(this);
57 DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this);
60 void WebUIScreenLocker::LockScreen() {
61 gfx::Rect bounds(ash::Shell::GetScreen()->GetPrimaryDisplay().bounds());
63 lock_time_ = base::TimeTicks::Now();
64 LockWindow* lock_window = LockWindow::Create();
65 lock_window->set_observer(this);
66 lock_window_ = lock_window->GetWidget();
67 lock_window_->AddObserver(this);
68 WebUILoginView::Init();
69 lock_window_->SetContentsView(this);
71 LoadURL(GURL(kLoginURL));
74 login_display_.reset(new WebUILoginDisplay(this));
75 login_display_->set_background_bounds(bounds);
76 login_display_->set_parent_window(GetNativeWindow());
77 login_display_->Init(screen_locker()->users(), false, true, false);
79 static_cast<OobeUI*>(GetWebUI()->GetController())->ShowSigninScreen(
80 LoginScreenContext(), login_display_.get(), login_display_.get());
83 chrome::NOTIFICATION_LOGIN_USER_IMAGE_CHANGED,
84 content::NotificationService::AllSources());
87 void WebUIScreenLocker::ScreenLockReady() {
88 UMA_HISTOGRAM_TIMES("LockScreen.LockReady",
89 base::TimeTicks::Now() - lock_time_);
90 ScreenLockerDelegate::ScreenLockReady();
91 SetInputEnabled(true);
94 void WebUIScreenLocker::OnAuthenticate() {
97 void WebUIScreenLocker::SetInputEnabled(bool enabled) {
98 login_display_->SetUIEnabled(enabled);
101 void WebUIScreenLocker::ShowBannerMessage(const std::string& message) {
104 login_display_->ShowBannerMessage(message);
107 void WebUIScreenLocker::ShowUserPodButton(
108 const std::string& username,
109 const std::string& iconURL,
110 const base::Closure& click_callback) {
113 login_display_->ShowUserPodButton(username, iconURL, click_callback);
116 void WebUIScreenLocker::HideUserPodButton(const std::string& username) {
119 login_display_->HideUserPodButton(username);
122 void WebUIScreenLocker::SetAuthType(const std::string& username,
123 LoginDisplay::AuthType auth_type,
124 const std::string& initial_value) {
127 login_display_->SetAuthType(username, auth_type, initial_value);
130 LoginDisplay::AuthType WebUIScreenLocker::GetAuthType(
131 const std::string& username) const {
132 // Return default auth type if login display is not ready.
134 return LoginDisplay::OFFLINE_PASSWORD;
135 return login_display_->GetAuthType(username);
138 void WebUIScreenLocker::ShowErrorMessage(
140 HelpAppLauncher::HelpTopic help_topic_id) {
141 login_display_->ShowError(error_msg_id,
142 0 /* login_attempts */,
146 void WebUIScreenLocker::AnimateAuthenticationSuccess() {
147 GetWebUI()->CallJavascriptFunction("cr.ui.Oobe.animateAuthenticationSuccess");
150 void WebUIScreenLocker::ClearErrors() {
151 GetWebUI()->CallJavascriptFunction("cr.ui.Oobe.clearErrors");
154 gfx::NativeWindow WebUIScreenLocker::GetNativeWindow() const {
155 return lock_window_->GetNativeWindow();
158 content::WebUI* WebUIScreenLocker::GetAssociatedWebUI() {
162 void WebUIScreenLocker::FocusUserPod() {
165 webui_login_->RequestFocus();
166 GetWebUI()->CallJavascriptFunction("cr.ui.Oobe.forceLockedUserPodFocus");
169 WebUIScreenLocker::~WebUIScreenLocker() {
170 DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
171 ash::Shell::GetInstance()->
172 lock_state_controller()->RemoveObserver(this);
173 // In case of shutdown, lock_window_ may be deleted before WebUIScreenLocker.
175 lock_window_->RemoveObserver(this);
176 lock_window_->Close();
178 // If LockScreen() was called, we need to clear the signin screen handler
179 // delegate set in ShowSigninScreen so that it no longer points to us.
180 if (login_display_.get()) {
181 static_cast<OobeUI*>(GetWebUI()->GetController())->
182 ResetSigninScreenHandlerDelegate();
186 void WebUIScreenLocker::OnLockWebUIReady() {
187 VLOG(1) << "WebUI ready; lock window is "
188 << (lock_ready_ ? "too" : "not");
194 void WebUIScreenLocker::OnLockBackgroundDisplayed() {
195 UMA_HISTOGRAM_TIMES("LockScreen.BackgroundReady",
196 base::TimeTicks::Now() - lock_time_);
199 ////////////////////////////////////////////////////////////////////////////////
200 // WebUIScreenLocker, content::NotificationObserver implementation:
202 void WebUIScreenLocker::Observe(
204 const content::NotificationSource& source,
205 const content::NotificationDetails& details) {
207 case chrome::NOTIFICATION_LOGIN_USER_IMAGE_CHANGED: {
208 const User& user = *content::Details<User>(details).ptr();
209 login_display_->OnUserImageChanged(user);
213 WebUILoginView::Observe(type, source, details);
217 ////////////////////////////////////////////////////////////////////////////////
218 // WebUIScreenLocker, LoginDisplay::Delegate implementation:
220 void WebUIScreenLocker::CancelPasswordChangedFlow() {
224 void WebUIScreenLocker::CreateAccount() {
228 void WebUIScreenLocker::CompleteLogin(const UserContext& user_context) {
232 base::string16 WebUIScreenLocker::GetConnectedNetworkName() {
233 return network_state_helper_->GetCurrentNetworkName();
236 bool WebUIScreenLocker::IsSigninInProgress() const {
237 // The way how screen locker is implemented right now there's no
238 // GAIA sign in in progress in any case.
242 void WebUIScreenLocker::Login(const UserContext& user_context) {
243 chromeos::ScreenLocker::default_screen_locker()->Authenticate(user_context);
246 void WebUIScreenLocker::LoginAsRetailModeUser() {
250 void WebUIScreenLocker::LoginAsGuest() {
254 void WebUIScreenLocker::MigrateUserData(const std::string& old_password) {
258 void WebUIScreenLocker::LoginAsPublicAccount(const std::string& username) {
262 void WebUIScreenLocker::OnSigninScreenReady() {
265 void WebUIScreenLocker::OnUserSelected(const std::string& username) {
268 void WebUIScreenLocker::OnStartEnterpriseEnrollment() {
272 void WebUIScreenLocker::OnStartKioskEnableScreen() {
276 void WebUIScreenLocker::OnStartKioskAutolaunchScreen() {
280 void WebUIScreenLocker::ShowWrongHWIDScreen() {
284 void WebUIScreenLocker::ResetPublicSessionAutoLoginTimer() {
287 void WebUIScreenLocker::ResyncUserData() {
291 void WebUIScreenLocker::SetDisplayEmail(const std::string& email) {
295 void WebUIScreenLocker::Signout() {
296 chromeos::ScreenLocker::default_screen_locker()->Signout();
299 void WebUIScreenLocker::LoginAsKioskApp(const std::string& app_id,
300 bool diagnostic_mode) {
304 ////////////////////////////////////////////////////////////////////////////////
305 // LockWindow::Observer implementation:
307 void WebUIScreenLocker::OnLockWindowReady() {
308 VLOG(1) << "Lock window ready; WebUI is " << (webui_ready_ ? "too" : "not");
314 ////////////////////////////////////////////////////////////////////////////////
315 // SessionLockStateObserver override.
317 void WebUIScreenLocker::OnLockStateEvent(
318 ash::LockStateObserver::EventType event) {
319 if (event == ash::LockStateObserver::EVENT_LOCK_ANIMATION_FINISHED) {
320 // Release capture if any.
321 aura::client::GetCaptureClient(GetNativeWindow()->GetRootWindow())->
323 GetWebUI()->CallJavascriptFunction("cr.ui.Oobe.animateOnceFullyDisplayed");
327 ////////////////////////////////////////////////////////////////////////////////
328 // WidgetObserver override.
330 void WebUIScreenLocker::OnWidgetDestroying(views::Widget* widget) {
331 lock_window_->RemoveObserver(this);
335 ////////////////////////////////////////////////////////////////////////////////
336 // PowerManagerClient::Observer overrides.
338 void WebUIScreenLocker::LidEventReceived(bool open,
339 const base::TimeTicks& time) {
340 content::BrowserThread::PostTask(
341 content::BrowserThread::UI,
343 base::Bind(&WebUIScreenLocker::FocusUserPod, weak_factory_.GetWeakPtr()));
346 void WebUIScreenLocker::SuspendDone(const base::TimeDelta& sleep_duration) {
347 content::BrowserThread::PostTask(
348 content::BrowserThread::UI,
350 base::Bind(&WebUIScreenLocker::FocusUserPod, weak_factory_.GetWeakPtr()));
353 void WebUIScreenLocker::RenderProcessGone(base::TerminationStatus status) {
354 if (browser_shutdown::GetShutdownType() == browser_shutdown::NOT_VALID &&
355 status != base::TERMINATION_STATUS_NORMAL_TERMINATION) {
356 LOG(ERROR) << "Renderer crash on lock screen";
361 } // namespace chromeos