src/chrome/browser/metrics/chrome_metrics_service_accessor.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/browser_process.h"
   9 #include "chrome/common/pref_names.h"
  10 #include "components/metrics/metrics_service.h"
  11 #include "components/variations/metrics_util.h"
  12
  13 #if defined(OS_CHROMEOS)
  14 #include "chrome/browser/chromeos/settings/cros_settings.h"
  15 #endif
  16
  17 // static
  18 bool ChromeMetricsServiceAccessor::IsMetricsReportingEnabled() {
  19   bool result = false;
  20   const PrefService* local_state = g_browser_process->local_state();
  21   if (local_state) {
  22     const PrefService::Preference* uma_pref =
  23         local_state->FindPreference(prefs::kMetricsReportingEnabled);
  24     if (uma_pref) {
  25       bool success = uma_pref->GetValue()->GetAsBoolean(&result);
  26       DCHECK(success);
  27     }
  28   }
  29   return result;
  30 }
  31
  32 bool ChromeMetricsServiceAccessor::IsCrashReportingEnabled() {
  33 #if defined(GOOGLE_CHROME_BUILD)
  34 #if defined(OS_CHROMEOS)
  35   bool reporting_enabled = false;
  36   chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
  37                                             &reporting_enabled);
  38   return reporting_enabled;
  39 #elif defined(OS_ANDROID)
  40   // Android has its own settings for metrics / crash uploading.
  41   const PrefService* prefs = g_browser_process->local_state();
  42   return prefs->GetBoolean(prefs::kCrashReportingEnabled);
  43 #else
  44   return ChromeMetricsServiceAccessor::IsMetricsReportingEnabled();
  45 #endif
  46 #else
  47   return false;
  48 #endif
  49 }
  50
  51 // static
  52 bool ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrial(
  53     const std::string& trial_name,
  54     const std::string& group_name) {
  55   return RegisterSyntheticFieldTrialWithNameHash(metrics::HashName(trial_name),
  56                                                  group_name);
  57 }
  58
  59 // static
  60 bool ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrialWithNameHash(
  61     uint32_t trial_name_hash,
  62     const std::string& group_name) {
  63   return MetricsServiceAccessor::RegisterSyntheticFieldTrial(
  64       g_browser_process->metrics_service(),
  65       trial_name_hash,
  66       metrics::HashName(group_name));
  67 }