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/browser_process.h"
  13 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
  14 #include "chrome/browser/metrics/chrome_metrics_service_client.h"
  15 #include "chrome/browser/metrics/metrics_reporting_state.h"
  16 #include "chrome/browser/metrics/variations/chrome_variations_service_client.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/browser/profiles/profile_manager.h"
  19 #include "chrome/browser/ui/browser_otr_state.h"
  20 #include "chrome/common/chrome_switches.h"
  21 #include "chrome/common/pref_names.h"
  22 #include "chrome/installer/util/google_update_settings.h"
  23 #include "components/metrics/metrics_service.h"
  24 #include "components/metrics/metrics_state_manager.h"
  25 #include "components/rappor/rappor_service.h"
  26 #include "components/variations/service/variations_service.h"
  27 #include "content/public/browser/browser_thread.h"
  28
  29 #if defined(OS_CHROMEOS)
  30 #include "chrome/browser/chromeos/settings/cros_settings.h"
  31 #endif
  32
  33 // Posts |GoogleUpdateSettings::StoreMetricsClientInfo| on blocking pool thread
  34 // because it needs access to IO and cannot work from UI thread.
  35 void PostStoreMetricsClientInfo(const metrics::ClientInfo& client_info) {
  36   content::BrowserThread::GetBlockingPool()->PostTask(FROM_HERE,
  37       base::Bind(&GoogleUpdateSettings::StoreMetricsClientInfo, client_info));
  38 }
  39
  40 MetricsServicesManager::MetricsServicesManager(PrefService* local_state)
  41     : local_state_(local_state),
  42       may_upload_(false),
  43       may_record_(false) {
  44   DCHECK(local_state);
  45 }
  46
  47 MetricsServicesManager::~MetricsServicesManager() {
  48 }
  49
  50 metrics::MetricsService* MetricsServicesManager::GetMetricsService() {
  51   DCHECK(thread_checker_.CalledOnValidThread());
  52   return GetChromeMetricsServiceClient()->metrics_service();
  53 }
  54
  55 rappor::RapporService* MetricsServicesManager::GetRapporService() {
  56   DCHECK(thread_checker_.CalledOnValidThread());
  57   if (!rappor_service_) {
  58     rappor_service_.reset(new rappor::RapporService(
  59         local_state_, base::Bind(&chrome::IsOffTheRecordSessionActive)));
  60     rappor_service_->Initialize(g_browser_process->system_request_context());
  61   }
  62   return rappor_service_.get();
  63 }
  64
  65 variations::VariationsService* MetricsServicesManager::GetVariationsService() {
  66   DCHECK(thread_checker_.CalledOnValidThread());
  67   if (!variations_service_) {
  68     variations_service_ = variations::VariationsService::Create(
  69         make_scoped_ptr(new ChromeVariationsServiceClient()), local_state_,
  70         GetMetricsStateManager(), switches::kDisableBackgroundNetworking);
  71   }
  72   return variations_service_.get();
  73 }
  74
  75 void MetricsServicesManager::OnPluginLoadingError(
  76     const base::FilePath& plugin_path) {
  77   GetChromeMetricsServiceClient()->LogPluginLoadingError(plugin_path);
  78 }
  79
  80 ChromeMetricsServiceClient*
  81 MetricsServicesManager::GetChromeMetricsServiceClient() {
  82   DCHECK(thread_checker_.CalledOnValidThread());
  83   if (!metrics_service_client_) {
  84     metrics_service_client_ = ChromeMetricsServiceClient::Create(
  85         GetMetricsStateManager(), local_state_);
  86   }
  87   return metrics_service_client_.get();
  88 }
  89
  90 metrics::MetricsStateManager* MetricsServicesManager::GetMetricsStateManager() {
  91   DCHECK(thread_checker_.CalledOnValidThread());
  92   if (!metrics_state_manager_) {
  93     metrics_state_manager_ = metrics::MetricsStateManager::Create(
  94         local_state_,
  95         base::Bind(&ChromeMetricsServiceAccessor::IsMetricsReportingEnabled),
  96         base::Bind(&PostStoreMetricsClientInfo),
  97         base::Bind(&GoogleUpdateSettings::LoadMetricsClientInfo));
  98   }
  99   return metrics_state_manager_.get();
 100 }
 101
 102 bool MetricsServicesManager::GetSafeBrowsingState() {
 103   // Start listening for updates to SB service state. This is done here instead
 104   // of in the constructor to avoid errors from trying to instantiate SB
 105   // service before the IO thread exists.
 106   SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
 107   if (!sb_state_subscription_ && sb_service) {
 108     // base::Unretained(this) is safe here since this object owns the
 109     // sb_state_subscription_ which owns the pointer.
 110     sb_state_subscription_ = sb_service->RegisterStateCallback(
 111         base::Bind(&MetricsServicesManager::UpdateRunningServices,
 112                    base::Unretained(this)));
 113   }
 114
 115   return sb_service && sb_service->enabled_by_prefs();
 116 }
 117
 118 void MetricsServicesManager::UpdatePermissions(bool may_record,
 119                                                bool may_upload) {
 120   DCHECK(thread_checker_.CalledOnValidThread());
 121   // Stash the current permissions so that we can update the RapporService
 122   // correctly when the Rappor preference changes.  The metrics recording
 123   // preference partially determines the initial rappor setting, and also
 124   // controls whether FINE metrics are sent.
 125   may_record_ = may_record;
 126   may_upload_ = may_upload;
 127   UpdateRunningServices();
 128 }
 129
 130 void MetricsServicesManager::UpdateRunningServices() {
 131   DCHECK(thread_checker_.CalledOnValidThread());
 132   metrics::MetricsService* metrics = GetMetricsService();
 133
 134   const base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
 135
 136   const bool only_do_metrics_recording =
 137       cmdline->HasSwitch(switches::kMetricsRecordingOnly) ||
 138       cmdline->HasSwitch(switches::kEnableBenchmarking);
 139
 140   if (only_do_metrics_recording) {
 141     metrics->StartRecordingForTests();
 142     GetRapporService()->Update(
 143         rappor::UMA_RAPPOR_GROUP | rappor::SAFEBROWSING_RAPPOR_GROUP,
 144         false);
 145     return;
 146   }
 147
 148   if (may_record_) {
 149     if (!metrics->recording_active())
 150       metrics->Start();
 151
 152     if (may_upload_)
 153       metrics->EnableReporting();
 154     else
 155       metrics->DisableReporting();
 156   } else {
 157     metrics->Stop();
 158   }
 159
 160   int recording_groups = 0;
 161 #if defined(GOOGLE_CHROME_BUILD)
 162   if (may_record_)
 163     recording_groups |= rappor::UMA_RAPPOR_GROUP;
 164   if (GetSafeBrowsingState())
 165     recording_groups |= rappor::SAFEBROWSING_RAPPOR_GROUP;
 166 #endif  // defined(GOOGLE_CHROME_BUILD)
 167   GetRapporService()->Update(recording_groups, may_upload_);
 168 }
 169
 170 void MetricsServicesManager::UpdateUploadPermissions(bool may_upload) {
 171   return UpdatePermissions(
 172       ChromeMetricsServiceAccessor::IsMetricsReportingEnabled(), may_upload);
 173 }