| // 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_ANDROID_METRICS_PROVIDER_H_ |
| #define CHROME_BROWSER_METRICS_ANDROID_METRICS_PROVIDER_H_ |
| |
| #include "base/basictypes.h" |
| #include "chrome/browser/android/activity_type_ids.h" |
| #include "components/metrics/metrics_provider.h" |
| |
| class PrefService; |
| class PrefRegistrySimple; |
| |
| namespace metrics { |
| class ChromeUserMetricsExtension; |
| } |
| |
| // AndroidMetricsProvider provides Android-specific stability metrics. |
| class AndroidMetricsProvider : public metrics::MetricsProvider { |
| public: |
| // Creates the AndroidMetricsProvider with the given |local_state|. |
| explicit AndroidMetricsProvider(PrefService* local_state); |
| ~AndroidMetricsProvider() override; |
| |
| // metrics::MetricsProvider: |
| void ProvideStabilityMetrics( |
| metrics::SystemProfileProto* system_profile_proto) override; |
| void ProvideGeneralMetrics( |
| metrics::ChromeUserMetricsExtension* uma_proto) override; |
| |
| // Called when the Activity that the user interacts with is swapped out. |
| // TODO(asvitkine): Expose a way for Android code to actually invoke this. |
| void OnForegroundActivityChanged(ActivityTypeIds::Type type); |
| |
| // Registers local state prefs used by this class. |
| static void RegisterPrefs(PrefRegistrySimple* registry); |
| |
| private: |
| // Called to log launch and crash stats to preferences. |
| void LogStabilityToPrefs(); |
| |
| // Converts crash stats stored in the preferences into histograms. |
| void ConvertStabilityPrefsToHistograms(); |
| |
| // Weak pointer to the local state prefs store. |
| PrefService* local_state_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AndroidMetricsProvider); |
| }; |
| |
| #endif // CHROME_BROWSER_METRICS_ANDROID_METRICS_PROVIDER_H_ |