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
  32   DISALLOW_COPY_AND_ASSIGN(TranslateAcceptLanguagesService);
  33 };
  34
  35 TranslateAcceptLanguagesService::TranslateAcceptLanguagesService(
  36     PrefService* prefs)
  37     : accept_languages_(prefs, ios::prefs::kAcceptLanguages) {
  38 }
  39
  40 TranslateAcceptLanguagesService::~TranslateAcceptLanguagesService() {
  41 }
  42
  43 }  // namespace
  44
  45 // static
  46 TranslateAcceptLanguagesFactory*
  47 TranslateAcceptLanguagesFactory::GetInstance() {
  48   return Singleton<TranslateAcceptLanguagesFactory>::get();
  49 }
  50
  51 // static
  52 translate::TranslateAcceptLanguages*
  53 TranslateAcceptLanguagesFactory::GetForBrowserState(
  54     ios::ChromeBrowserState* state) {
  55   TranslateAcceptLanguagesService* service =
  56       static_cast<TranslateAcceptLanguagesService*>(
  57           GetInstance()->GetServiceForBrowserState(state, true));
  58   return &service->accept_languages();
  59 }
  60
  61 TranslateAcceptLanguagesFactory::TranslateAcceptLanguagesFactory()
  62     : BrowserStateKeyedServiceFactory(
  63           "TranslateAcceptLanguagesService",
  64           BrowserStateDependencyManager::GetInstance()) {
  65 }
  66
  67 TranslateAcceptLanguagesFactory::~TranslateAcceptLanguagesFactory() {
  68 }
  69
  70 scoped_ptr<KeyedService>
  71 TranslateAcceptLanguagesFactory::BuildServiceInstanceFor(
  72     web::BrowserState* context) const {
  73   ios::ChromeBrowserState* browser_state =
  74       ios::ChromeBrowserState::FromBrowserState(context);
  75   return make_scoped_ptr(
  76       new TranslateAcceptLanguagesService(browser_state->GetPrefs()));
  77 }
  78
  79 web::BrowserState* TranslateAcceptLanguagesFactory::GetBrowserStateToUse(
  80     web::BrowserState* context) const {
  81   return GetBrowserStateRedirectedInIncognito(context);
  82 }