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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.
#ifndef COMPONENTS_REPORTING_METRICS_ONE_SHOT_COLLECTOR_H_
#define COMPONENTS_REPORTING_METRICS_ONE_SHOT_COLLECTOR_H_
#include <memory>
#include <optional>
#include <string>
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "components/reporting/client/report_queue.h"
#include "components/reporting/metrics/collector_base.h"
#include "components/reporting/proto/synced/metric_data.pb.h"
namespace reporting {
class MetricReportQueue;
class MetricReportingController;
class ReportingSettings;
// Class to collect and report metric data only one time when the reporting
// setting is enabled.
class OneShotCollector : public CollectorBase {
public:
// Metrics name for reporting missing metric data to UMA.
static constexpr char kNoMetricDataMetricsName[] =
"Browser.ERP.MetricsReporting.OneShotCollectorNoMetricData";
// Start observing the reporting setting immediately to start collection.
OneShotCollector(
Sampler* sampler,
MetricReportQueue* metric_report_queue,
ReportingSettings* reporting_settings,
const std::string& setting_path,
bool setting_enabled_default_value,
ReportQueue::EnqueueCallback on_data_reported = base::DoNothing());
// Start observing the reporting setting after `init_delay` to start
// collection.
OneShotCollector(
Sampler* sampler,
MetricReportQueue* metric_report_queue,
ReportingSettings* reporting_settings,
const std::string& setting_path,
bool setting_enabled_default_value,
base::TimeDelta init_delay,
ReportQueue::EnqueueCallback on_data_reported = base::DoNothing());
OneShotCollector(const OneShotCollector& other) = delete;
OneShotCollector& operator=(const OneShotCollector& other) = delete;
~OneShotCollector() override;
// CollectorBase:
void Collect(bool is_event_driven) override;
protected:
// CollectorBase:
void OnMetricDataCollected(bool is_event_driven,
std::optional<MetricData> metric_data) override;
bool CanCollect() const override;
private:
void SetReportingControllerCb();
const raw_ptr<MetricReportQueue> metric_report_queue_;
std::unique_ptr<MetricReportingController> reporting_controller_;
ReportQueue::EnqueueCallback on_data_reported_;
bool data_collected_ = false;
base::WeakPtrFactory<OneShotCollector> weak_ptr_factory_{this};
};
} // namespace reporting
#endif // COMPONENTS_REPORTING_METRICS_ONE_SHOT_COLLECTOR_H_
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