[Easy signin] Add method to get user info to easyUnlockPrivate

chrome/browser/signin/easy_unlock_service_signin_chromeos.h

 // Copyright 2014 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_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_
 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_types.h"
 #include "chrome/browser/signin/easy_unlock_service.h"
+#include "chrome/browser/signin/screenlock_bridge.h"
+#include "chromeos/login/login_state.h"
 
 // EasyUnlockService instance that should be used for signin profile.
-class EasyUnlockServiceSignin : public EasyUnlockService {
+class EasyUnlockServiceSignin : public EasyUnlockService,
+                                public ScreenlockBridge::Observer,
+                                public chromeos::LoginState::Observer {
  public:
   explicit EasyUnlockServiceSignin(Profile* profile);
   virtual ~EasyUnlockServiceSignin();
 
  private:
   // The load state of a user's cryptohome key data.
   enum UserDataState {
     // Initial state, the key data is empty and not being loaded.
     USER_DATA_STATE_INITIAL,
     // The key data is empty, but being loaded.
@@ skipping 28 matching lines @@
   virtual const base::DictionaryValue* GetPermitAccess() const OVERRIDE;
   virtual void SetPermitAccess(const base::DictionaryValue& permit) OVERRIDE;
   virtual void ClearPermitAccess() OVERRIDE;
   virtual const base::ListValue* GetRemoteDevices() const OVERRIDE;
   virtual void SetRemoteDevices(const base::ListValue& devices) OVERRIDE;
   virtual void ClearRemoteDevices() OVERRIDE;
   virtual void RunTurnOffFlow() OVERRIDE;
   virtual void ResetTurnOffFlow() OVERRIDE;
   virtual TurnOffFlowStatus GetTurnOffFlowStatus() const OVERRIDE;
   virtual std::string GetChallenge() const OVERRIDE;
+  virtual void InitializeInternal() OVERRIDE;
+  virtual void ShutdownInternal() OVERRIDE;
   virtual bool IsAllowedInternal() OVERRIDE;
-  virtual void InitializeInternal() OVERRIDE;
+
+  // ScreenlockBridge::Observer implementation:
+  virtual void OnScreenDidLock() OVERRIDE;
+  virtual void OnScreenDidUnlock() OVERRIDE;
+  virtual void OnFocusedUserChanged(const std::string& user_id) OVERRIDE;
+
+  // chromeos::LoginState::Observer implementation:
+  virtual void LoggedInStateChanged() OVERRIDE;
 
   // Loads the device data associated with the user's Easy unlock keys from
   // crypthome.
   void LoadCurrentUserDataIfNeeded();
 
   // Callback invoked when the user's device data is loaded from cryptohome.
   void OnUserDataLoaded(
       const std::string& user_id,
       bool success,
       const chromeos::EasyUnlockDeviceKeyDataList& data);
 
-  // If the device data has been loaded for the current user, returns is.
+  // If the device data has been loaded for the current user, returns it.
   // Otherwise, returns NULL.
   const UserData* FindLoadedDataForCurrentUser() const;
 
   // User id of the user currently associated with the service.
   std::string user_id_;
 
   // Maps user ids to their fetched cryptohome key data.
   std::map<std::string, UserData*> user_data_;
 
   // Whether failed attempts to load user data should be retried.
   // This is to handle case where cryptohome daemon is not started in time the
   // service attempts to load some data. Retries will be allowed only until the
   // first data load finishes (even if it fails).
   bool allow_cryptohome_backoff_;
 
+  // Whether the service has been successfully initialized, and has not been
+  // shut down.
+  bool service_active_;
+
   base::WeakPtrFactory<EasyUnlockServiceSignin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockServiceSignin);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_