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      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/translate/translate_accept_languages_factory.h"
      6 
      7 #include "base/prefs/pref_service.h"
      8 #include "chrome/browser/profiles/incognito_helpers.h"
      9 #include "chrome/browser/profiles/profile.h"
     10 #include "chrome/common/pref_names.h"
     11 #include "components/keyed_service/content/browser_context_dependency_manager.h"
     12 #include "components/keyed_service/core/keyed_service.h"
     13 #include "components/translate/core/browser/translate_accept_languages.h"
     14 
     15 namespace {
     16 
     17 // TranslateAcceptLanguagesService is a thin container for
     18 // TranslateAcceptLanguages to enable associating it with a BrowserContext.
     19 class TranslateAcceptLanguagesService : public KeyedService {
     20  public:
     21   explicit TranslateAcceptLanguagesService(PrefService* prefs);
     22   virtual ~TranslateAcceptLanguagesService();
     23 
     24   // Returns the associated TranslateAcceptLanguages.
     25   TranslateAcceptLanguages& accept_languages() { return accept_languages_; }
     26 
     27  private:
     28   TranslateAcceptLanguages accept_languages_;
     29   DISALLOW_COPY_AND_ASSIGN(TranslateAcceptLanguagesService);
     30 };
     31 
     32 TranslateAcceptLanguagesService::TranslateAcceptLanguagesService(
     33     PrefService* prefs)
     34     : accept_languages_(prefs, prefs::kAcceptLanguages) {}
     35 
     36 TranslateAcceptLanguagesService::~TranslateAcceptLanguagesService() {}
     37 
     38 }  // namespace
     39 
     40 // static
     41 TranslateAcceptLanguagesFactory*
     42 TranslateAcceptLanguagesFactory::GetInstance() {
     43   return Singleton<TranslateAcceptLanguagesFactory>::get();
     44 }
     45 
     46 // static
     47 TranslateAcceptLanguages* TranslateAcceptLanguagesFactory::GetForBrowserContext(
     48     content::BrowserContext* context) {
     49   TranslateAcceptLanguagesService* service =
     50       static_cast<TranslateAcceptLanguagesService*>(
     51           GetInstance()->GetServiceForBrowserContext(context, true));
     52   return &service->accept_languages();
     53 }
     54 
     55 TranslateAcceptLanguagesFactory::TranslateAcceptLanguagesFactory()
     56     : BrowserContextKeyedServiceFactory(
     57           "TranslateAcceptLanguagesService",
     58           BrowserContextDependencyManager::GetInstance()) {}
     59 
     60 TranslateAcceptLanguagesFactory::~TranslateAcceptLanguagesFactory() {}
     61 
     62 KeyedService* TranslateAcceptLanguagesFactory::BuildServiceInstanceFor(
     63     content::BrowserContext* browser_context) const {
     64   Profile* profile = Profile::FromBrowserContext(browser_context);
     65   return new TranslateAcceptLanguagesService(profile->GetPrefs());
     66 }
     67 
     68 content::BrowserContext*
     69 TranslateAcceptLanguagesFactory::GetBrowserContextToUse(
     70     content::BrowserContext* context) const {
     71   return chrome::GetBrowserContextRedirectedInIncognito(context);
     72 }
     73