Retrieve the authenticated user's e-mail from GAIA during SAML login

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

 // Copyright (c) 2013 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_
 
 #include <set>
 #include <string>
 
+#include "base/basictypes.h"
 #include "base/callback.h"
+#include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
 #include "chrome/browser/chromeos/login/login_display.h"
 #include "chrome/browser/chromeos/login/screens/error_screen_actor.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
 #include "chrome/browser/chromeos/net/network_portal_detector.h"
@@ skipping 207 matching lines @@
 
   void set_kiosk_enable_flow_aborted_callback_for_test(
       const base::Closure& callback) {
     kiosk_enable_flow_aborted_callback_for_test_ = callback;
   }
 
   // From WallpaperManager::Observer
   virtual void OnWallpaperAnimationFinished(const std::string& email) OVERRIDE;
 
  private:
+  class AuthenticatedUserEmailRetriever;
+
   enum UIState {
     UI_STATE_UNKNOWN = 0,
     UI_STATE_GAIA_SIGNIN,
     UI_STATE_ACCOUNT_PICKER,
   };
 
   typedef base::hash_set<std::string> WebUIObservers;
 
   friend class ReportDnsCacheClearedOnUIThread;
   friend class LocallyManagedUserCreationScreenHandler;
@@ skipping 107 matching lines @@
   void HandleResyncUserData();
   void HandleLoginUIStateChanged(const std::string& source, bool new_value);
   void HandleUnlockOnLoginSuccess();
   void HandleLoginScreenUpdate();
   void HandleShowLoadingTimeoutError();
   void HandleUpdateOfflineLogin(bool offline_login_active);
   void HandleShowLocallyManagedUserCreationScreen();
   void HandleFocusPod(const std::string& user_id);
   void HandleLaunchKioskApp(const std::string& app_id);
   void HandleCustomButtonClicked(const std::string& username);
+  void HandleRetrieveAuthenticatedUserEmail(double attempt_token);
 
   // Fills |user_dict| with information about |user|.
   static void FillUserDictionary(User* user,
                                  bool is_owner,
                                  base::DictionaryValue* user_dict);
 
   // Sends user list to account picker.
   void SendUserList(bool animated);
 
   // Kick off cookie / local storage cleanup.
@@ skipping 136 matching lines @@
 
   base::Closure kiosk_enable_flow_aborted_callback_for_test_;
 
   // Map of callbacks run when the custom button on a user pod is clicked.
   std::map<std::string, base::Closure> user_pod_button_callback_map_;
 
   // Non-owning ptr.
   // TODO (ygorshenin@): remove this dependency.
   GaiaScreenHandler* gaia_screen_handler_;
 
+  // Helper that retrieves the authenticated user's e-mail address.
+  scoped_ptr<AuthenticatedUserEmailRetriever> email_retriever_;
+
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_