Split up chrome/browser/policy subdirectory

chrome/browser/policy/user_policy_signin_service.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_POLICY_USER_POLICY_SIGNIN_SERVICE_H_
-#define CHROME_BROWSER_POLICY_USER_POLICY_SIGNIN_SERVICE_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/policy/cloud_policy_service.h"
-#include "chrome/browser/policy/user_info_fetcher.h"
-#include "chrome/browser/profiles/profile_keyed_service.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "google_apis/gaia/oauth2_access_token_consumer.h"
-
-class OAuth2AccessTokenFetcher;
-class Profile;
-
-namespace base {
-class Time;
-}
-
-namespace policy {
-
-class UserCloudPolicyManager;
-
-// The UserPolicySigninService is responsible for interacting with the policy
-// infrastructure (mainly UserCloudPolicyManager) to load policy for the signed
-// in user.
-//
-// At signin time, this class initializes the UCPM and loads policy before any
-// other signed in services are initialized. After each restart, this class
-// ensures that the CloudPolicyClient is registered (in case the policy server
-// was offline during the initial policy fetch) and if not it initiates a fresh
-// registration process.
-//
-// Finally, if the user signs out, this class is responsible for shutting down
-// the policy infrastructure to ensure that any cached policy is cleared.
-class UserPolicySigninService
-    : public ProfileKeyedService,
-      public OAuth2AccessTokenConsumer,
-      public CloudPolicyService::Observer,
-      public CloudPolicyClient::Observer,
-      public UserInfoFetcher::Delegate,
-      public content::NotificationObserver {
- public:
-  // The callback invoked once policy fetch is complete. Passed boolean
-  // parameter is set to true if the policy fetch succeeded.
-  typedef base::Callback<void(bool)> PolicyFetchCallback;
-
-  // Creates a UserPolicySigninService associated with the passed |profile|.
-  explicit UserPolicySigninService(Profile* profile);
-  virtual ~UserPolicySigninService();
-
-  // Initiates a policy fetch as part of user signin. The |oauth2_access_token|
-  // is explicitly passed because TokenService does not have the token yet
-  // (to prevent services from using it until after we've fetched policy).
-  // |callback| is invoked once the policy fetch is complete, passing true if
-  // the policy fetch succeeded.
-  void FetchPolicyForSignedInUser(const std::string& oauth2_access_token,
-                                  const PolicyFetchCallback& callback);
-
-  // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // CloudPolicyService::Observer implementation.
-  virtual void OnInitializationCompleted(CloudPolicyService* service) OVERRIDE;
-
-  // CloudPolicyClient::Observer implementation.
-  virtual void OnClientError(CloudPolicyClient* client) OVERRIDE;
-  virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE;
-  virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE;
-
-  // OAuth2AccessTokenConsumer implementation.
-  virtual void OnGetTokenSuccess(const std::string& access_token,
-                                 const base::Time& expiration_time) OVERRIDE;
-  virtual void OnGetTokenFailure(const GoogleServiceAuthError& error) OVERRIDE;
-
-  // ProfileKeyedService implementation:
-  virtual void Shutdown() OVERRIDE;
-
-  // UserInfoFetcher::Delegate implementation:
-  virtual void OnGetUserInfoSuccess(const DictionaryValue* response) OVERRIDE;
-  virtual void OnGetUserInfoFailure(
-      const GoogleServiceAuthError& error) OVERRIDE;
-
- private:
-  // Returns false if cloud policy is disabled or if the currently signed-in
-  // user is definitely not from a hosted domain (according to the blacklist in
-  // BrowserPolicyConnector::IsNonEnterpriseUser()).
-  bool ShouldLoadPolicyForSignedInUser();
-
-  // Initializes the UserCloudPolicyManager to reflect the currently-signed-in
-  // user.
-  void InitializeUserCloudPolicyManager();
-
-  // Fetches an OAuth token to allow the cloud policy service to register with
-  // the cloud policy server. |oauth_login_token| should contain an OAuth login
-  // refresh token that can be downscoped to get an access token for the
-  // device_management service.
-  void RegisterCloudPolicyService(std::string oauth_login_token);
-
-  // Helper routines to (un)register for CloudPolicyService and
-  // CloudPolicyClient notifications.
-  void StartObserving();
-  void StopObserving();
-
-  // If a policy fetch was requested, invokes the callback passing through the
-  // |success| flag.
-  void NotifyPendingFetchCallback(bool success);
-
-  // Shuts down the UserCloudPolicyManager (for example, after the user signs
-  // out) and deletes any cached policy.
-  void ShutdownUserCloudPolicyManager();
-
-  // Convenience helper to get the UserCloudPolicyManager for |profile_|.
-  UserCloudPolicyManager* GetManager();
-
-  // WeakPtrFactory used to create callbacks for loading policy.
-  base::WeakPtrFactory<UserPolicySigninService> weak_factory_;
-
-  // Weak pointer to the profile this service is associated with.
-  Profile* profile_;
-
-  // If true, we have a pending fetch so notify the callback the next time
-  // the appropriate notification is delivered from CloudPolicyService/Client.
-  bool pending_fetch_;
-
-  // The callback to invoke when the pending policy fetch is completed.
-  PolicyFetchCallback pending_fetch_callback_;
-
-  content::NotificationRegistrar registrar_;
-
-  // Fetcher used while obtaining an OAuth token for client registration.
-  scoped_ptr<OAuth2AccessTokenFetcher> oauth2_access_token_fetcher_;
-
-  // Helper class for fetching information from GAIA about the currently
-  // signed-in user.
-  scoped_ptr<UserInfoFetcher> user_info_fetcher_;
-
-  // Access token used to register the CloudPolicyClient and also access
-  // GAIA to get information about the signed in user.
-  std::string oauth_access_token_;
-
-  DISALLOW_COPY_AND_ASSIGN(UserPolicySigninService);
-};
-
-}  // namespace policy
-
-#endif  // CHROME_BROWSER_POLICY_USER_POLICY_SIGNIN_SERVICE_H_