| // 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_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: |
| ChromeOSMetricsProvider(); |
| virtual ~ChromeOSMetricsProvider(); |
| |
| static void RegisterPrefs(PrefRegistrySimple* registry); |
| |
| // Records a crash. |
| static void LogCrash(const std::string& crash_type); |
| |
| // Loads hardware class information. When this task is complete, |callback| |
| // is run. |
| void InitTaskGetHardwareClass(const base::Closure& callback); |
| |
| // metrics::MetricsProvider: |
| virtual void OnDidCreateMetricsLog() override; |
| virtual void ProvideSystemProfileMetrics( |
| metrics::SystemProfileProto* system_profile_proto) override; |
| virtual void ProvideStabilityMetrics( |
| metrics::SystemProfileProto* system_profile_proto) override; |
| virtual 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); |
| |
| 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_ |