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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_CHROMEOS_METRICS_PROVIDER_H_
#define CHROME_BROWSER_METRICS_CHROMEOS_METRICS_PROVIDER_H_
#include "base/memory/weak_ptr.h"
#include "chrome/browser/metrics/perf/perf_provider_chromeos.h"
#include "components/metrics/metrics_provider.h"
namespace device {
class BluetoothAdapter;
}
namespace metrics {
class ChromeUserMetricsExtension;
}
class PrefRegistrySimple;
class PrefService;
// Performs ChromeOS specific metrics logging.
class ChromeOSMetricsProvider : public metrics::MetricsProvider {
public:
// Possible device enrollment status for a Chrome OS device.
// Used by UMA histogram, so entries shouldn't be reordered or removed.
enum EnrollmentStatus {
NON_MANAGED,
UNUSED, // Formerly MANAGED_EDU, see crbug.com/462770.
MANAGED,
ERROR_GETTING_ENROLLMENT_STATUS,
ENROLLMENT_STATUS_MAX,
};
ChromeOSMetricsProvider();
~ChromeOSMetricsProvider() override;
static void RegisterPrefs(PrefRegistrySimple* registry);
// Records a crash.
static void LogCrash(const std::string& crash_type);
// Returns Enterprise Enrollment status.
static EnrollmentStatus GetEnrollmentStatus();
// Loads hardware class information. When this task is complete, |callback|
// is run.
void InitTaskGetHardwareClass(const base::Closure& callback);
// metrics::MetricsProvider:
void OnDidCreateMetricsLog() override;
void ProvideSystemProfileMetrics(
metrics::SystemProfileProto* system_profile_proto) override;
void ProvideStabilityMetrics(
metrics::SystemProfileProto* system_profile_proto) override;
void ProvideGeneralMetrics(
metrics::ChromeUserMetricsExtension* uma_proto) override;
private:
// Called on the FILE thread to load hardware class information.
void InitTaskGetHardwareClassOnFileThread();
// 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(
metrics::SystemProfileProto* system_profile_proto);
// 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.
void WriteBluetoothProto(metrics::SystemProfileProto* system_profile_proto);
// Record the device enrollment status.
void RecordEnrollmentStatus();
metrics::PerfProvider perf_provider_;
// Bluetooth Adapter instance for collecting information about paired devices.
scoped_refptr<device::BluetoothAdapter> adapter_;
// Whether the user count was registered at the last log initialization.
bool registered_user_count_at_log_initialization_;
// The user count at the time that a log was last initialized. Contains a
// valid value only if |registered_user_count_at_log_initialization_| is
// true.
uint64 user_count_at_log_initialization_;
// Hardware class (e.g., hardware qualification ID). This class identifies
// the configured system components such as CPU, WiFi adapter, etc.
std::string hardware_class_;
base::WeakPtrFactory<ChromeOSMetricsProvider> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ChromeOSMetricsProvider);
};
#endif // CHROME_BROWSER_METRICS_CHROMEOS_METRICS_PROVIDER_H_
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