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 "chrome/browser/metrics/metrics_service.h"
   8 #include "chrome/browser/metrics/metrics_state_manager.h"
   9 #include "chrome/browser/metrics/variations/variations_service.h"
  10 #include "components/rappor/rappor_service.h"
  11
  12 MetricsServicesManager::MetricsServicesManager(PrefService* local_state)
  13     : local_state_(local_state) {
  14   DCHECK(local_state);
  15 }
  16
  17 MetricsServicesManager::~MetricsServicesManager() {
  18 }
  19
  20 MetricsService* MetricsServicesManager::GetMetricsService() {
  21   DCHECK(thread_checker_.CalledOnValidThread());
  22   if (!metrics_service_)
  23     metrics_service_.reset(new MetricsService(GetMetricsStateManager()));
  24   return metrics_service_.get();
  25 }
  26
  27 rappor::RapporService* MetricsServicesManager::GetRapporService() {
  28   DCHECK(thread_checker_.CalledOnValidThread());
  29   if (!rappor_service_)
  30     rappor_service_.reset(new rappor::RapporService);
  31   return rappor_service_.get();
  32 }
  33
  34 chrome_variations::VariationsService*
  35 MetricsServicesManager::GetVariationsService() {
  36   DCHECK(thread_checker_.CalledOnValidThread());
  37   if (!variations_service_) {
  38     variations_service_.reset(
  39         chrome_variations::VariationsService::Create(local_state_));
  40   }
  41   return variations_service_.get();
  42 }
  43
  44 metrics::MetricsStateManager* MetricsServicesManager::GetMetricsStateManager() {
  45   DCHECK(thread_checker_.CalledOnValidThread());
  46   if (!metrics_state_manager_)
  47     metrics_state_manager_ = metrics::MetricsStateManager::Create(local_state_);
  48   return metrics_state_manager_.get();
  49 }