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// Copyright 2021 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_METRIC_REPORTING_CONTROLLER_H_
#define COMPONENTS_REPORTING_METRICS_METRIC_REPORTING_CONTROLLER_H_
#include <string>
#include "base/callback_list.h"
#include "base/functional/callback_forward.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
namespace reporting {
class ReportingSettings;
// Control reporter intilaization and cleanup based on the reporting setting
// specified by the setting path.
class MetricReportingController {
public:
MetricReportingController(ReportingSettings* reporting_settings,
const std::string& setting_path,
bool setting_enabled_default_value);
MetricReportingController(const MetricReportingController& other) = delete;
MetricReportingController& operator=(const MetricReportingController& other) =
delete;
~MetricReportingController();
// Whether reporting is currently enabled.
bool IsEnabled() const;
// When called, `on_setting_enabled` will run if the setting is enabled and
// nothing will run otherwise, then whenever the setting state changes, the
// corresponding callback will run.
void SetSettingUpdateCb(
base::RepeatingClosure on_setting_enabled,
base::RepeatingClosure on_setting_disabled = base::DoNothing());
private:
void UpdateSetting();
const raw_ptr<ReportingSettings> reporting_settings_;
const std::string setting_path_;
const bool setting_enabled_default_value_;
base::RepeatingClosure on_setting_enabled_ = base::DoNothing();
base::RepeatingClosure on_setting_disabled_ = base::DoNothing();
bool setting_enabled_ = false;
base::CallbackListSubscription subscription_;
SEQUENCE_CHECKER(sequence_checker_);
base::WeakPtrFactory<MetricReportingController> weak_factory_{this};
};
} // namespace reporting
#endif // COMPONENTS_REPORTING_METRICS_METRIC_REPORTING_CONTROLLER_H_
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