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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 CHROME_BROWSER_METRICS_METRICS_LOG_CHROMEOS_H_
#define CHROME_BROWSER_METRICS_METRICS_LOG_CHROMEOS_H_
#include "chrome/browser/metrics/perf_provider_chromeos.h"
namespace device {
class BluetoothAdapter;
}
namespace metrics {
class ChromeUserMetricsExtension;
}
class PrefService;
// Performs ChromeOS specific metrics logging.
class MetricsLogChromeOS {
public:
explicit MetricsLogChromeOS(metrics::ChromeUserMetricsExtension* uma_proto);
virtual ~MetricsLogChromeOS();
// Logs ChromeOS specific metrics which don't need to be updated immediately.
void LogChromeOSMetrics();
// Within the stability group, write ChromeOS specific attributes that need to
// be updated asap and can't be delayed until the user decides to restart
// chromium. Delaying these stats would bias metrics away from happy long
// lived chromium processes (ones that don't crash, and keep on running).
void WriteRealtimeStabilityAttributes(PrefService* pref);
private:
// Update the number of users logged into a multi-profile session.
// If the number of users change while the log is open, the call invalidates
// the user count value.
void UpdateMultiProfileUserCount();
// Sets the Bluetooth Adapter instance used for the WriteBluetoothProto()
// call.
void SetBluetoothAdapter(scoped_refptr<device::BluetoothAdapter> adapter);
// Writes info about paired Bluetooth devices on this system.
virtual void WriteBluetoothProto();
metrics::PerfProvider perf_provider_;
// Bluetooth Adapter instance for collecting information about paired devices.
scoped_refptr<device::BluetoothAdapter> adapter_;
metrics::ChromeUserMetricsExtension* uma_proto_;
DISALLOW_COPY_AND_ASSIGN(MetricsLogChromeOS);
};
#endif // CHROME_BROWSER_METRICS_METRICS_LOG_CHROMEOS_H_
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