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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/metrics/metrics_logs_event_manager.h"
#include <string_view>
namespace metrics {
// static
bool MetricsLogsEventManager::ScopedNotifyLogType::instance_exists_ = false;
MetricsLogsEventManager::ScopedNotifyLogType::ScopedNotifyLogType(
MetricsLogsEventManager* logs_event_manager,
MetricsLog::LogType log_type)
: logs_event_manager_(logs_event_manager) {
DCHECK(!instance_exists_);
instance_exists_ = true;
if (logs_event_manager_) {
logs_event_manager_->NotifyLogType(log_type);
}
}
MetricsLogsEventManager::ScopedNotifyLogType::~ScopedNotifyLogType() {
DCHECK(instance_exists_);
if (logs_event_manager_) {
logs_event_manager_->NotifyLogType(std::nullopt);
}
instance_exists_ = false;
}
MetricsLogsEventManager::MetricsLogsEventManager() = default;
MetricsLogsEventManager::~MetricsLogsEventManager() = default;
void MetricsLogsEventManager::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void MetricsLogsEventManager::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void MetricsLogsEventManager::NotifyLogCreated(std::string_view log_hash,
std::string_view log_data,
std::string_view log_timestamp,
CreateReason reason) {
for (Observer& observer : observers_)
observer.OnLogCreated(log_hash, log_data, log_timestamp, reason);
}
void MetricsLogsEventManager::NotifyLogEvent(LogEvent event,
std::string_view log_hash,
std::string_view message) {
for (Observer& observer : observers_)
observer.OnLogEvent(event, log_hash, message);
}
void MetricsLogsEventManager::NotifyLogType(
std::optional<MetricsLog::LogType> log_type) {
for (Observer& observer : observers_)
observer.OnLogType(log_type);
}
} // namespace metrics
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