1 // Copyright 2014 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 COMPONENTS_INVALIDATION_INVALIDATION_LOGGER_OBSERVER_H_ 6 #define COMPONENTS_INVALIDATION_INVALIDATION_LOGGER_OBSERVER_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "sync/internal_api/public/base/invalidator_state.h" 10 #include "sync/notifier/invalidation_util.h" 11 #include "sync/notifier/object_id_invalidation_map.h" 12 13 namespace base { 14 class DictionaryValue; 15 } // namespace base 16 17 namespace syncer { 18 class InvalidationHandler; 19 class ObjectIdInvalidationMap; 20 } // namespace syncer 21 22 namespace invalidation { 23 // This class provides the possibilty to register as an observer for the 24 // InvalidationLogger notifications whenever an InvalidatorService changes 25 // its internal state. 26 // (i.e. A new registration, a new invalidation, a TICL/GCM state change) 27 class InvalidationLoggerObserver { 28 public: 29 virtual void OnRegistrationChange( 30 const std::multiset<std::string>& registered_handlers) = 0; 31 virtual void OnStateChange(const syncer::InvalidatorState& new_state, 32 const base::Time& last_change_timestamp) = 0; 33 virtual void OnUpdateIds(const std::string& handler_name, 34 const syncer::ObjectIdCountMap& details) = 0; 35 virtual void OnDebugMessage(const base::DictionaryValue& details) = 0; 36 virtual void OnInvalidation( 37 const syncer::ObjectIdInvalidationMap& details) = 0; 38 virtual void OnDetailedStatus(const base::DictionaryValue& details) = 0; 39 40 protected: ~InvalidationLoggerObserver()41 virtual ~InvalidationLoggerObserver() {} 42 }; 43 44 } // namespace invalidation 45 46 #endif // COMPONENTS_INVALIDATION_INVALIDATION_LOGGER_OBSERVER_H_ 47