src/chrome/browser/metrics/metrics_services_manager.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/metrics_services_manager.h"
   6
   7 #include <string>
   8
   9 #include "base/command_line.h"
  10 #include "base/logging.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "chrome/browser/metrics/chrome_metrics_service_client.h"
  13 #include "chrome/browser/metrics/variations/variations_service.h"
  14 #include "chrome/common/chrome_switches.h"
  15 #include "chrome/common/pref_names.h"
  16 #include "chrome/installer/util/google_update_settings.h"
  17 #include "components/metrics/metrics_service.h"
  18 #include "components/metrics/metrics_state_manager.h"
  19 #include "components/rappor/rappor_service.h"
  20
  21 #if defined(OS_CHROMEOS)
  22 #include "chrome/browser/chromeos/settings/cros_settings.h"
  23 #endif
  24
  25 MetricsServicesManager::MetricsServicesManager(PrefService* local_state)
  26     : local_state_(local_state) {
  27   DCHECK(local_state);
  28 }
  29
  30 MetricsServicesManager::~MetricsServicesManager() {
  31 }
  32
  33 MetricsService* MetricsServicesManager::GetMetricsService() {
  34   DCHECK(thread_checker_.CalledOnValidThread());
  35   return GetChromeMetricsServiceClient()->metrics_service();
  36 }
  37
  38 rappor::RapporService* MetricsServicesManager::GetRapporService() {
  39   DCHECK(thread_checker_.CalledOnValidThread());
  40   if (!rappor_service_)
  41     rappor_service_.reset(new rappor::RapporService);
  42   return rappor_service_.get();
  43 }
  44
  45 chrome_variations::VariationsService*
  46 MetricsServicesManager::GetVariationsService() {
  47   DCHECK(thread_checker_.CalledOnValidThread());
  48   if (!variations_service_) {
  49     variations_service_ =
  50         chrome_variations::VariationsService::Create(local_state_,
  51                                                      GetMetricsStateManager());
  52   }
  53   return variations_service_.get();
  54 }
  55
  56 void MetricsServicesManager::OnPluginLoadingError(
  57     const base::FilePath& plugin_path) {
  58   GetChromeMetricsServiceClient()->LogPluginLoadingError(plugin_path);
  59 }
  60
  61 ChromeMetricsServiceClient*
  62 MetricsServicesManager::GetChromeMetricsServiceClient() {
  63   DCHECK(thread_checker_.CalledOnValidThread());
  64   if (!metrics_service_client_) {
  65     metrics_service_client_ = ChromeMetricsServiceClient::Create(
  66         GetMetricsStateManager(), local_state_);
  67   }
  68   return metrics_service_client_.get();
  69 }
  70
  71 metrics::MetricsStateManager* MetricsServicesManager::GetMetricsStateManager() {
  72   DCHECK(thread_checker_.CalledOnValidThread());
  73   if (!metrics_state_manager_) {
  74     metrics_state_manager_ = metrics::MetricsStateManager::Create(
  75         local_state_,
  76         base::Bind(&MetricsServicesManager::IsMetricsReportingEnabled,
  77                    base::Unretained(this)),
  78         base::Bind(&GoogleUpdateSettings::StoreMetricsClientInfo),
  79         base::Bind(&GoogleUpdateSettings::LoadMetricsClientInfo));
  80   }
  81   return metrics_state_manager_.get();
  82 }
  83
  84 // TODO(asvitkine): This function does not report the correct value on Android,
  85 // see http://crbug.com/362192.
  86 bool MetricsServicesManager::IsMetricsReportingEnabled() const {
  87   // If the user permits metrics reporting with the checkbox in the
  88   // prefs, we turn on recording.  We disable metrics completely for
  89   // non-official builds, or when field trials are forced.
  90   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kForceFieldTrials))
  91     return false;
  92
  93   bool enabled = false;
  94 #if defined(GOOGLE_CHROME_BUILD)
  95 #if defined(OS_CHROMEOS)
  96   chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
  97                                             &enabled);
  98 #else
  99   enabled = local_state_->GetBoolean(prefs::kMetricsReportingEnabled);
 100 #endif  // #if defined(OS_CHROMEOS)
 101 #endif  // defined(GOOGLE_CHROME_BUILD)
 102   return enabled;
 103 }