ios/chrome/browser/translate/translate_accept_languages_factory.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 "ios/chrome/browser/translate/translate_accept_languages_factory.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "components/keyed_service/core/keyed_service.h"
   9 #include "components/keyed_service/ios/browser_state_dependency_manager.h"
  10 #include "components/translate/core/browser/translate_accept_languages.h"
  11 #include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
  12 #include "ios/chrome/browser/pref_names.h"
  13 #include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
  14
  15 namespace {
  16
  17 // TranslateAcceptLanguagesService is a thin container for
  18 // TranslateAcceptLanguages to enable associating it with a BrowserState.
  19 class TranslateAcceptLanguagesService : public KeyedService {
  20  public:
  21   explicit TranslateAcceptLanguagesService(PrefService* prefs);
  22   ~TranslateAcceptLanguagesService() override;
  23
  24   // Returns the associated TranslateAcceptLanguages.
  25   translate::TranslateAcceptLanguages& accept_languages() {
  26     return accept_languages_;
  27   }
  28
  29  private:
  30   translate::TranslateAcceptLanguages accept_languages_;
  31   DISALLOW_COPY_AND_ASSIGN(TranslateAcceptLanguagesService);
  32 };
  33
  34 TranslateAcceptLanguagesService::TranslateAcceptLanguagesService(
  35     PrefService* prefs)
  36     : accept_languages_(prefs, ios::prefs::kAcceptLanguages) {
  37 }
  38
  39 TranslateAcceptLanguagesService::~TranslateAcceptLanguagesService() {
  40 }
  41
  42 }  // namespace
  43
  44 // static
  45 TranslateAcceptLanguagesFactory*
  46 TranslateAcceptLanguagesFactory::GetInstance() {
  47   return Singleton<TranslateAcceptLanguagesFactory>::get();
  48 }
  49
  50 // static
  51 translate::TranslateAcceptLanguages*
  52 TranslateAcceptLanguagesFactory::GetForBrowserState(web::BrowserState* state) {
  53   TranslateAcceptLanguagesService* service =
  54       static_cast<TranslateAcceptLanguagesService*>(
  55           GetInstance()->GetServiceForBrowserState(state, true));
  56   return &service->accept_languages();
  57 }
  58
  59 TranslateAcceptLanguagesFactory::TranslateAcceptLanguagesFactory()
  60     : BrowserStateKeyedServiceFactory(
  61           "TranslateAcceptLanguagesService",
  62           BrowserStateDependencyManager::GetInstance()) {
  63 }
  64
  65 TranslateAcceptLanguagesFactory::~TranslateAcceptLanguagesFactory() {
  66 }
  67
  68 KeyedService* TranslateAcceptLanguagesFactory::BuildServiceInstanceFor(
  69     web::BrowserState* browser_state) const {
  70   ios::ChromeBrowserState* chrome_browser_state =
  71       ios::ChromeBrowserState::FromBrowserState(browser_state);
  72   return new TranslateAcceptLanguagesService(chrome_browser_state->GetPrefs());
  73 }
  74
  75 web::BrowserState* TranslateAcceptLanguagesFactory::GetBrowserStateToUse(
  76     web::BrowserState* state) const {
  77   return GetBrowserStateRedirectedInIncognito(state);
  78 }