Move Drive API files to google_apis directory

chrome/browser/chromeos/gdata/auth_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_CHROMEOS_GDATA_AUTH_SERVICE_H_
-#define CHROME_BROWSER_CHROMEOS_GDATA_AUTH_SERVICE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "chrome/browser/google_apis/gdata_errorcode.h"
-#include "chrome/browser/google_apis/operations_base.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-
-class Profile;
-
-namespace gdata {
-
-class OperationRegistry;
-
-// This class provides authentication for Google services.
-// It integrates specific service integration with OAuth2 stack
-// (TokenService) and provides OAuth2 token refresh infrastructure.
-// All public functions must be called on UI thread.
-class AuthService : public content::NotificationObserver {
- public:
-  class Observer {
-   public:
-    // Triggered when a new OAuth2 refresh token is received from TokenService.
-    virtual void OnOAuth2RefreshTokenChanged() = 0;
-
-   protected:
-    virtual ~Observer() {}
-  };
-
-  explicit AuthService(const std::vector<std::string>& scopes);
-  virtual ~AuthService();
-
-  // Adds and removes the observer. AddObserver() should be called before
-  // Initialize() as it can change the refresh token.
-  void AddObserver(Observer* observer);
-  void RemoveObserver(Observer* observer);
-
-  // Initializes the auth service. Starts TokenService to retrieve the
-  // refresh token.
-  void Initialize(Profile* profile);
-
-  // Starts fetching OAuth2 auth token from the refresh token for |scopes_|.
-  void StartAuthentication(OperationRegistry* registry,
-                           const AuthStatusCallback& callback);
-
-  // True if an OAuth2 access token is retrieved and believed to be fresh.
-  // The access token is used to access the Drive server.
-  bool HasAccessToken() const { return !access_token_.empty(); }
-
-  // True if an OAuth2 refresh token is present. Its absence means that user
-  // is not properly authenticated.
-  // The refresh token is used to get the access token.
-  bool HasRefreshToken() const { return !refresh_token_.empty(); }
-
-  // Returns OAuth2 access token.
-  const std::string& access_token() const { return access_token_; }
-
-  // Clears OAuth2 access token.
-  void ClearAccessToken() { access_token_.clear(); }
-
-  // Overridden from content::NotificationObserver:
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // Sets the access_token as specified.  This should be used only for testing.
-  void set_access_token_for_testing(const std::string& token) {
-    access_token_ = token;
-  }
-
- private:
-  // Helper function for StartAuthentication() call.
-  void StartAuthenticationOnUIThread(OperationRegistry* registry,
-                                     const AuthStatusCallback& callback);
-
-  // Callback for AuthOperation (InternalAuthStatusCallback).
-  void OnAuthCompleted(const AuthStatusCallback& callback,
-                       GDataErrorCode error,
-                       const std::string& access_token);
-
-  Profile* profile_;
-  std::string refresh_token_;
-  std::string access_token_;
-  std::vector<std::string> scopes_;
-  ObserverList<Observer> observers_;
-
-  content::NotificationRegistrar registrar_;
-
-  // Note: This should remain the last member so it'll be destroyed and
-  // invalidate its weak pointers before any other members are destroyed.
-  base::WeakPtrFactory<AuthService> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(AuthService);
-};
-
-}  // namespace gdata
-
-#endif  // CHROME_BROWSER_CHROMEOS_GDATA_AUTH_SERVICE_H_