google_apis/drive/auth_service_observer.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef GOOGLE_APIS_DRIVE_AUTH_SERVICE_OBSERVER_H_
   6 #define GOOGLE_APIS_DRIVE_AUTH_SERVICE_OBSERVER_H_
   7
   8 namespace google_apis {
   9
  10 // Interface for classes that need to observe events from AuthService.
  11 // All events are notified on UI thread.
  12 class AuthServiceObserver {
  13  public:
  14   // Triggered when a new OAuth2 refresh token is received from AuthService.
  15   virtual void OnOAuth2RefreshTokenChanged() = 0;
  16
  17  protected:
  18   virtual ~AuthServiceObserver() {}
  19 };
  20
  21 }  // namespace google_apis
  22
  23 #endif  // GOOGLE_APIS_DRIVE_AUTH_SERVICE_OBSERVER_H_