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// Copyright 2014 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 COMPONENTS_INVALIDATION_INVALIDATION_LOGGER_OBSERVER_H_
#define COMPONENTS_INVALIDATION_INVALIDATION_LOGGER_OBSERVER_H_
#include "base/memory/scoped_ptr.h"
#include "components/invalidation/invalidation_util.h"
#include "components/invalidation/invalidator_state.h"
#include "components/invalidation/object_id_invalidation_map.h"
namespace base {
class DictionaryValue;
} // namespace base
namespace syncer {
class InvalidationHandler;
class ObjectIdInvalidationMap;
} // namespace syncer
namespace invalidation {
// This class provides the possibilty to register as an observer for the
// InvalidationLogger notifications whenever an InvalidatorService changes
// its internal state.
// (i.e. A new registration, a new invalidation, a TICL/GCM state change)
class InvalidationLoggerObserver {
public:
virtual void OnRegistrationChange(
const std::multiset<std::string>& registered_handlers) = 0;
virtual void OnStateChange(const syncer::InvalidatorState& new_state,
const base::Time& last_change_timestamp) = 0;
virtual void OnUpdateIds(const std::string& handler_name,
const syncer::ObjectIdCountMap& details) = 0;
virtual void OnDebugMessage(const base::DictionaryValue& details) = 0;
virtual void OnInvalidation(
const syncer::ObjectIdInvalidationMap& details) = 0;
virtual void OnDetailedStatus(const base::DictionaryValue& details) = 0;
protected:
virtual ~InvalidationLoggerObserver() {}
};
} // namespace invalidation
#endif // COMPONENTS_INVALIDATION_INVALIDATION_LOGGER_OBSERVER_H_
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