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. 4 5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_IMPL_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_IMPL_H_ 7 8 #include <string> 9 10 #include "base/compiler_specific.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/weak_ptr.h" 13 #include "chrome/browser/chromeos/login/auth_prewarmer.h" 14 #include "chrome/browser/chromeos/login/existing_user_controller.h" 15 #include "chrome/browser/chromeos/login/login_display.h" 16 #include "chrome/browser/chromeos/login/login_display_host.h" 17 #include "chrome/browser/chromeos/login/wizard_controller.h" 18 #include "chrome/browser/chromeos/settings/device_settings_service.h" 19 #include "content/public/browser/notification_observer.h" 20 #include "content/public/browser/notification_registrar.h" 21 #include "content/public/browser/web_contents_observer.h" 22 #include "ui/gfx/rect.h" 23 24 class PrefService; 25 26 namespace policy { 27 class AutoEnrollmentClient; 28 } // namespace policy 29 30 namespace chromeos { 31 32 class FocusRingController; 33 class OobeUI; 34 class WebUILoginDisplay; 35 class WebUILoginView; 36 37 // An implementation class for OOBE/login WebUI screen host. 38 // It encapsulates controllers, background integration and flow. 39 class LoginDisplayHostImpl : public LoginDisplayHost, 40 public content::NotificationObserver, 41 public content::WebContentsObserver { 42 public: 43 explicit LoginDisplayHostImpl(const gfx::Rect& background_bounds); 44 virtual ~LoginDisplayHostImpl(); 45 46 // Returns the default LoginDispalyHost instance if it has been created. 47 static LoginDisplayHost* default_host() { 48 return default_host_; 49 } 50 51 // LoginDisplayHost implementation: 52 virtual LoginDisplay* CreateLoginDisplay( 53 LoginDisplay::Delegate* delegate) OVERRIDE; 54 virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE; 55 virtual WebUILoginView* GetWebUILoginView() const OVERRIDE; 56 virtual views::Widget* GetWidget() const OVERRIDE; 57 virtual void BeforeSessionStart() OVERRIDE; 58 virtual void Finalize() OVERRIDE; 59 virtual void OnCompleteLogin() OVERRIDE; 60 virtual void OpenProxySettings() OVERRIDE; 61 virtual void SetOobeProgressBarVisible(bool visible) OVERRIDE; 62 virtual void SetShutdownButtonEnabled(bool enable) OVERRIDE; 63 virtual void SetStatusAreaVisible(bool visible) OVERRIDE; 64 virtual void CheckForAutoEnrollment() OVERRIDE; 65 virtual void StartWizard( 66 const std::string& first_screen_name, 67 scoped_ptr<DictionaryValue> screen_parameters) OVERRIDE; 68 virtual WizardController* GetWizardController() OVERRIDE; 69 virtual void StartUserAdding( 70 const base::Closure& completion_callback) OVERRIDE; 71 virtual void StartSignInScreen() OVERRIDE; 72 virtual void ResumeSignInScreen() OVERRIDE; 73 virtual void OnPreferencesChanged() OVERRIDE; 74 virtual void PrewarmAuthentication() OVERRIDE; 75 76 // Creates WizardController instance. 77 WizardController* CreateWizardController(); 78 79 // Called when the first browser window is created, but before it's shown. 80 void OnBrowserCreated(); 81 82 // Returns instance of the OOBE WebUI. 83 OobeUI* GetOobeUI() const; 84 85 const gfx::Rect& background_bounds() const { return background_bounds_; } 86 87 // Trace id for ShowLoginWebUI event (since there exists at most one login 88 // WebUI at a time). 89 static const int kShowLoginWebUIid; 90 91 protected: 92 // content::NotificationObserver implementation: 93 virtual void Observe(int type, 94 const content::NotificationSource& source, 95 const content::NotificationDetails& details) OVERRIDE; 96 97 // Overridden from content::WebContentsObserver: 98 virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE; 99 100 private: 101 // Marks display host for deletion. 102 // If |post_quit_task| is true also posts Quit task to the MessageLoop. 103 void ShutdownDisplayHost(bool post_quit_task); 104 105 // Start sign in transition animation. 106 void StartAnimation(); 107 108 // Callback for the ownership status check. 109 void OnOwnershipStatusCheckDone(DeviceSettingsService::OwnershipStatus status, 110 bool current_user_is_owner); 111 112 // Callback for completion of the |auto_enrollment_client_|. 113 void OnAutoEnrollmentClientDone(); 114 115 // Forces auto-enrollment on the appropriate controller. 116 void ForceAutoEnrollment(); 117 118 // Loads given URL. Creates WebUILoginView if needed. 119 void LoadURL(const GURL& url); 120 121 // Shows OOBE/sign in WebUI that was previously initialized in hidden state. 122 void ShowWebUI(); 123 124 // Starts postponed WebUI (OOBE/sign in) if it was waiting for 125 // wallpaper animation end. 126 void StartPostponedWebUI(); 127 128 // Initializes |login_window_| and |login_view_| fields if needed. 129 void InitLoginWindowAndView(); 130 131 // Closes |login_window_| and resets |login_window_| and |login_view_| fields. 132 void ResetLoginWindowAndView(); 133 134 // Returns true if hosr running UI for adding users into session. 135 bool IsRunningUserAdding(); 136 137 // Deletes |auth_prewarmer_|. 138 void OnAuthPrewarmDone(); 139 140 // Used to calculate position of the screens and background. 141 gfx::Rect background_bounds_; 142 143 content::NotificationRegistrar registrar_; 144 145 base::WeakPtrFactory<LoginDisplayHostImpl> pointer_factory_; 146 147 // Default LoginDisplayHost. 148 static LoginDisplayHost* default_host_; 149 150 // Sign in screen controller. 151 scoped_ptr<ExistingUserController> sign_in_controller_; 152 153 // OOBE and some screens (camera, recovery) controller. 154 scoped_ptr<WizardController> wizard_controller_; 155 156 // Client for enterprise auto-enrollment check. 157 scoped_ptr<policy::AutoEnrollmentClient> auto_enrollment_client_; 158 159 // Has ShutdownDisplayHost() already been called? Used to avoid posting our 160 // own deletion to the message loop twice if the user logs out while we're 161 // still in the process of cleaning up after login (http://crbug.com/134463). 162 bool shutting_down_; 163 164 // Whether progress bar is shown on the OOBE page. 165 bool oobe_progress_bar_visible_; 166 167 // True if session start is in progress. 168 bool session_starting_; 169 170 // Container of the screen we are displaying. 171 views::Widget* login_window_; 172 173 // Container of the view we are displaying. 174 WebUILoginView* login_view_; 175 176 // Login display we are using. 177 WebUILoginDisplay* webui_login_display_; 178 179 // True if the login display is the current screen. 180 bool is_showing_login_; 181 182 // True if NOTIFICATION_WALLPAPER_ANIMATION_FINISHED notification has been 183 // received. 184 bool is_wallpaper_loaded_; 185 186 // Stores status area current visibility to be applied once login WebUI 187 // is shown. 188 bool status_area_saved_visibility_; 189 190 // If true, WebUI is initialized in a hidden state and shown after the 191 // wallpaper animation is finished (when it is enabled) or the user pods have 192 // been loaded (otherwise). 193 // By default is true. Could be used to tune performance if needed. 194 bool initialize_webui_hidden_; 195 196 // True if WebUI is initialized in hidden state and we're waiting for 197 // wallpaper load animation to finish. 198 bool waiting_for_wallpaper_load_; 199 200 // True if WebUI is initialized in hidden state and we're waiting for user 201 // pods to load. 202 bool waiting_for_user_pods_; 203 204 // How many times renderer has crashed. 205 int crash_count_; 206 207 // Way to restore if renderer have crashed. 208 enum { 209 RESTORE_UNKNOWN, 210 RESTORE_WIZARD, 211 RESTORE_SIGN_IN, 212 RESTORE_ADD_USER_INTO_SESSION, 213 } restore_path_; 214 215 // Stored parameters for StartWizard, required to restore in case of crash. 216 std::string wizard_first_screen_name_; 217 scoped_ptr<DictionaryValue> wizard_screen_parameters_; 218 219 // Old value of the ash::internal::kIgnoreSoloWindowFramePainterPolicy 220 // property of the root window for |login_window_|. 221 bool old_ignore_solo_window_frame_painter_policy_value_; 222 223 // Called before host deletion. 224 base::Closure completion_callback_; 225 226 // Active instance of authentication prewarmer. 227 scoped_ptr<AuthPrewarmer> auth_prewarmer_; 228 229 // A focus ring controller to draw focus ring around view for keyboard 230 // driven oobe. 231 scoped_ptr<FocusRingController> focus_ring_controller_; 232 233 DISALLOW_COPY_AND_ASSIGN(LoginDisplayHostImpl); 234 }; 235 236 } // namespace chromeos 237 238 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_IMPL_H_ 239
