cast_feature_list_creator.cc 2.6 KB

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  1. // Copyright 2018 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. #include "chromecast/browser/cast_feature_list_creator.h"
  5. #include "base/base_switches.h"
  6. #include "base/command_line.h"
  7. #include "base/strings/string_util.h"
  8. #include "base/values.h"
  9. #include "chromecast/base/cast_features.h"
  10. #include "chromecast/base/pref_names.h"
  11. #include "chromecast/browser/metrics/cast_metrics_prefs.h"
  12. #include "chromecast/browser/pref_service_helper.h"
  13. #include "components/prefs/pref_registry_simple.h"
  14. #include "components/prefs/pref_service.h"
  15. #include "components/proxy_config/pref_proxy_config_tracker_impl.h"
  16. namespace chromecast {
  17. namespace {
  18. // Convert the |features| vector into a comma separated string.
  19. std::string FeatureVectorToString(const std::vector<base::Feature>& features) {
  20. std::vector<std::string> feature_names;
  21. for (auto& feature : features)
  22. feature_names.push_back(feature.name);
  23. return base::JoinString(feature_names, ",");
  24. }
  25. } // namespace
  26. CastFeatureListCreator::CastFeatureListCreator() {}
  27. CastFeatureListCreator::~CastFeatureListCreator() {}
  28. void CastFeatureListCreator::CreatePrefServiceAndFeatureList(
  29. ProcessType process_type) {
  30. DCHECK(!pref_service_);
  31. scoped_refptr<PrefRegistrySimple> pref_registry(new PrefRegistrySimple());
  32. metrics::RegisterPrefs(pref_registry.get());
  33. PrefProxyConfigTrackerImpl::RegisterPrefs(pref_registry.get());
  34. pref_service_ = shell::PrefServiceHelper::CreatePrefService(
  35. pref_registry.get(), process_type);
  36. const base::Value::Dict& features_dict =
  37. pref_service_->GetValueDict(prefs::kLatestDCSFeatures);
  38. const base::Value::List& experiment_ids =
  39. pref_service_->GetValueList(prefs::kActiveDCSExperiments);
  40. auto* command_line = base::CommandLine::ForCurrentProcess();
  41. InitializeFeatureList(
  42. features_dict, experiment_ids,
  43. command_line->GetSwitchValueASCII(switches::kEnableFeatures),
  44. command_line->GetSwitchValueASCII(switches::kDisableFeatures),
  45. extra_enable_features_, extra_disable_features_);
  46. }
  47. std::unique_ptr<PrefService> CastFeatureListCreator::TakePrefService() {
  48. return std::move(pref_service_);
  49. }
  50. void CastFeatureListCreator::SetExtraEnableFeatures(
  51. const std::vector<base::Feature>& extra_enable_features) {
  52. extra_enable_features_ = FeatureVectorToString(extra_enable_features);
  53. }
  54. void CastFeatureListCreator::SetExtraDisableFeatures(
  55. const std::vector<base::Feature>& extra_disable_features) {
  56. extra_disable_features_ = FeatureVectorToString(extra_disable_features);
  57. }
  58. } // namespace chromecast