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_ 24