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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.
#include "chrome/browser/invalidation/invalidation_logger.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "chrome/browser/invalidation/invalidation_logger_observer.h"
#include "sync/notifier/invalidation_handler.h"
namespace invalidation {
class InvalidationLoggerObserver;
InvalidationLogger::InvalidationLogger()
: last_invalidator_state_(syncer::TRANSIENT_INVALIDATION_ERROR) {}
InvalidationLogger::~InvalidationLogger() {}
void InvalidationLogger::OnRegistration(const std::string& registrar_name) {
registered_handlers_.insert(registrar_name);
EmitRegisteredHandlers();
}
void InvalidationLogger::OnUnregistration(const std::string& registrar_name) {
DCHECK(registered_handlers_.find(registrar_name) !=
registered_handlers_.end());
std::multiset<std::string>::iterator it =
registered_handlers_.find(registrar_name);
// Delete only one instance of registrar_name.
registered_handlers_.erase(it);
EmitRegisteredHandlers();
}
void InvalidationLogger::EmitRegisteredHandlers() {
FOR_EACH_OBSERVER(InvalidationLoggerObserver, observer_list_,
OnRegistrationChange(registered_handlers_));
}
void InvalidationLogger::OnStateChange(
const syncer::InvalidatorState& newState) {
last_invalidator_state_ = newState;
EmitState();
}
void InvalidationLogger::EmitState() {
FOR_EACH_OBSERVER(InvalidationLoggerObserver,
observer_list_,
OnStateChange(last_invalidator_state_));
}
void InvalidationLogger::OnUpdateIds(
std::map<std::string, syncer::ObjectIdSet> updated_ids) {
for (std::map<std::string, syncer::ObjectIdSet>::const_iterator it =
updated_ids.begin(); it != updated_ids.end(); ++it) {
latest_ids_[it->first] = syncer::ObjectIdSet(it->second);
}
EmitUpdatedIds();
}
void InvalidationLogger::EmitUpdatedIds() {
for (std::map<std::string, syncer::ObjectIdSet>::const_iterator it =
latest_ids_.begin(); it != latest_ids_.end(); ++it) {
FOR_EACH_OBSERVER(InvalidationLoggerObserver,
observer_list_,
OnUpdateIds(it->first, it->second));
}
}
void InvalidationLogger::OnDebugMessage(const base::DictionaryValue& details) {
FOR_EACH_OBSERVER(
InvalidationLoggerObserver, observer_list_, OnDebugMessage(details));
}
void InvalidationLogger::OnInvalidation(
const syncer::ObjectIdInvalidationMap& details) {
FOR_EACH_OBSERVER(
InvalidationLoggerObserver, observer_list_, OnInvalidation(details));
}
void InvalidationLogger::EmitContent() {
EmitState();
EmitUpdatedIds();
EmitRegisteredHandlers();
}
void InvalidationLogger::RegisterObserver(
InvalidationLoggerObserver* debug_observer) {
observer_list_.AddObserver(debug_observer);
}
void InvalidationLogger::UnregisterObserver(
InvalidationLoggerObserver* debug_observer) {
observer_list_.RemoveObserver(debug_observer);
}
bool InvalidationLogger::IsObserverRegistered(
InvalidationLoggerObserver* debug_observer) {
return observer_list_.HasObserver(debug_observer);
}
} // namespace invalidation
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