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      1 // Copyright (c) 2012 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/spellchecker/spellcheck_factory.h"
      6 
      7 #include "base/prefs/pref_service.h"
      8 #include "chrome/browser/profiles/incognito_helpers.h"
      9 #include "chrome/browser/spellchecker/spellcheck_service.h"
     10 #include "chrome/common/pref_names.h"
     11 #include "chrome/grit/locale_settings.h"
     12 #include "components/keyed_service/content/browser_context_dependency_manager.h"
     13 #include "components/pref_registry/pref_registry_syncable.h"
     14 #include "components/user_prefs/user_prefs.h"
     15 #include "content/public/browser/render_process_host.h"
     16 
     17 // static
     18 SpellcheckService* SpellcheckServiceFactory::GetForContext(
     19     content::BrowserContext* context) {
     20   return static_cast<SpellcheckService*>(
     21       GetInstance()->GetServiceForBrowserContext(context, true));
     22 }
     23 
     24 // static
     25 SpellcheckService* SpellcheckServiceFactory::GetForRenderProcessId(
     26     int render_process_id) {
     27   content::RenderProcessHost* host =
     28       content::RenderProcessHost::FromID(render_process_id);
     29   if (!host)
     30     return NULL;
     31   content::BrowserContext* context = host->GetBrowserContext();
     32   if (!context)
     33     return NULL;
     34   return GetForContext(context);
     35 }
     36 
     37 // static
     38 SpellcheckServiceFactory* SpellcheckServiceFactory::GetInstance() {
     39   return Singleton<SpellcheckServiceFactory>::get();
     40 }
     41 
     42 SpellcheckServiceFactory::SpellcheckServiceFactory()
     43     : BrowserContextKeyedServiceFactory(
     44         "SpellcheckService",
     45         BrowserContextDependencyManager::GetInstance()) {
     46   // TODO(erg): Uncomment these as they are initialized.
     47   // DependsOn(RequestContextFactory::GetInstance());
     48 }
     49 
     50 SpellcheckServiceFactory::~SpellcheckServiceFactory() {}
     51 
     52 KeyedService* SpellcheckServiceFactory::BuildServiceInstanceFor(
     53     content::BrowserContext* context) const {
     54   // Many variables are initialized from the |context| in the SpellcheckService.
     55   SpellcheckService* spellcheck = new SpellcheckService(context);
     56 
     57   PrefService* prefs = user_prefs::UserPrefs::Get(context);
     58   DCHECK(prefs);
     59 
     60   // Instantiates Metrics object for spellchecking for use.
     61   spellcheck->StartRecordingMetrics(
     62       prefs->GetBoolean(prefs::kEnableContinuousSpellcheck));
     63 
     64   return spellcheck;
     65 }
     66 
     67 void SpellcheckServiceFactory::RegisterProfilePrefs(
     68     user_prefs::PrefRegistrySyncable* user_prefs) {
     69   // TODO(estade): IDS_SPELLCHECK_DICTIONARY should be an ASCII string.
     70   user_prefs->RegisterLocalizedStringPref(
     71       prefs::kSpellCheckDictionary,
     72       IDS_SPELLCHECK_DICTIONARY,
     73       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
     74   user_prefs->RegisterBooleanPref(
     75       prefs::kSpellCheckUseSpellingService,
     76       false,
     77       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
     78   user_prefs->RegisterBooleanPref(
     79       prefs::kEnableContinuousSpellcheck,
     80       true,
     81       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
     82   user_prefs->RegisterBooleanPref(
     83       prefs::kEnableAutoSpellCorrect,
     84       false,
     85       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
     86 }
     87 
     88 content::BrowserContext* SpellcheckServiceFactory::GetBrowserContextToUse(
     89     content::BrowserContext* context) const {
     90   return chrome::GetBrowserContextRedirectedInIncognito(context);
     91 }
     92 
     93 bool SpellcheckServiceFactory::ServiceIsNULLWhileTesting() const {
     94   return true;
     95 }
     96