Asynchronously load wallpapers when user pod is selected.

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 58 matching lines @@
 
   // Sign in into Guest session.
   virtual void LoginAsGuest() = 0;
 
   // Signs out if the screen is currently locked.
   virtual void Signout() = 0;
 
   // Create a new Google account.
   virtual void CreateAccount() = 0;
 
+  virtual void UserSelected(const std::string& username) = 0;

[James Hawkins, 2012/04/26 20:37:37]

nit: Document method and |username|.

[bshe, 2012/04/27 18:07:21]

Done.

+
   // Attempts to remove given user.
   virtual void RemoveUser(const std::string& username) = 0;
 
   // Shows Enterprise Enrollment screen.
   virtual void ShowEnterpriseEnrollmentScreen() = 0;
 
   // Let the delegate know about the handler it is supposed to be using.
   virtual void SetWebUIHandler(LoginDisplayWebUIHandler* webui_handler) = 0;
 
   // Returns users list to be shown.
@@ skipping 92 matching lines @@
   void HandleCompleteLogin(const base::ListValue* args);
   void HandleGetUsers(const base::ListValue* args);
   void HandleAuthenticateUser(const base::ListValue* args);
   void HandleLaunchDemoUser(const base::ListValue* args);
   void HandleLaunchIncognito(const base::ListValue* args);
   void HandleFixCaptivePortal(const base::ListValue* args);
   void HandleShowCaptivePortal(const base::ListValue* args);
   void HandleHideCaptivePortal(const base::ListValue* args);
   void HandleOfflineLogin(const base::ListValue* args);
   void HandleShutdownSystem(const base::ListValue* args);
+  void HandleUserSelected(const base::ListValue* args);
   void HandleRemoveUser(const base::ListValue* args);
   void HandleShowAddUser(const base::ListValue* args);
   void HandleToggleEnrollmentScreen(const base::ListValue* args);
   void HandleLaunchHelpApp(const base::ListValue* args);
   void HandleCreateAccount(const base::ListValue* args);
   void HandleAccountPickerReady(const base::ListValue* args);
   void HandleLoginWebuiReady(const base::ListValue* args);
   void HandleLoginRequestNetworkState(const base::ListValue* args);
   void HandleLoginAddNetworkStateObserver(const base::ListValue* args);
   void HandleLoginRemoveNetworkStateObserver(const base::ListValue* args);
@@ skipping 69 matching lines @@
 
   // CapsLock state change notifier instance;
   SystemKeyEventListener* key_event_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_