// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/search_engines/template_url_service_factory.h"

#include "base/prefs/pref_service.h"
#include "chrome/browser/google/google_url_tracker_factory.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/profiles/incognito_helpers.h"
#include "chrome/browser/search_engines/template_url_service.h"
#include "chrome/browser/webdata/web_data_service_factory.h"
#include "chrome/common/pref_names.h"
#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
#include "components/user_prefs/pref_registry_syncable.h"

// static
TemplateURLService* TemplateURLServiceFactory::GetForProfile(Profile* profile) {
  return static_cast<TemplateURLService*>(
      GetInstance()->GetServiceForBrowserContext(profile, true));
}

// static
TemplateURLServiceFactory* TemplateURLServiceFactory::GetInstance() {
  return Singleton<TemplateURLServiceFactory>::get();
}

// static
BrowserContextKeyedService* TemplateURLServiceFactory::BuildInstanceFor(
    content::BrowserContext* profile) {
  return new TemplateURLService(static_cast<Profile*>(profile));
}

TemplateURLServiceFactory::TemplateURLServiceFactory()
    : BrowserContextKeyedServiceFactory(
        "TemplateURLServiceFactory",
        BrowserContextDependencyManager::GetInstance()) {
  DependsOn(GoogleURLTrackerFactory::GetInstance());
  DependsOn(HistoryServiceFactory::GetInstance());
  DependsOn(WebDataServiceFactory::GetInstance());
}

TemplateURLServiceFactory::~TemplateURLServiceFactory() {}

BrowserContextKeyedService* TemplateURLServiceFactory::BuildServiceInstanceFor(
    content::BrowserContext* profile) const {
  return BuildInstanceFor(static_cast<Profile*>(profile));
}

void TemplateURLServiceFactory::RegisterUserPrefs(
    user_prefs::PrefRegistrySyncable* registry) {
  registry->RegisterStringPref(prefs::kSyncedDefaultSearchProviderGUID,
                               std::string(),
                               user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
  registry->RegisterBooleanPref(
      prefs::kDefaultSearchProviderEnabled,
      true,
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderName,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderID,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderPrepopulateID,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderSuggestURL,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderSearchURL,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderInstantURL,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderKeyword,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderIconURL,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderEncodings,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterListPref(prefs::kDefaultSearchProviderAlternateURLs,
                             user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  registry->RegisterStringPref(
      prefs::kDefaultSearchProviderSearchTermsReplacementKey,
      std::string(),
      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
}

content::BrowserContext* TemplateURLServiceFactory::GetBrowserContextToUse(
    content::BrowserContext* context) const {
  // TODO(dougw): We need a separate instance of TemplateURLService in
  // incognito profiles so that search-term-replacement can be disabled in
  // incognito (see crbug.com/232065). Switch back to a shared instance once
  // this is no longer necessary.
  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
}

bool TemplateURLServiceFactory::ServiceIsNULLWhileTesting() const {
  return true;
}

void TemplateURLServiceFactory::BrowserContextShutdown(
    content::BrowserContext* profile) {
  // We shutdown AND destroy the TemplateURLService during this pass.
  // TemplateURLService schedules a task on the WebDataService from its
  // destructor. Delete it first to ensure the task gets scheduled before we
  // shut down the database.
  BrowserContextKeyedServiceFactory::BrowserContextShutdown(profile);
  BrowserContextKeyedServiceFactory::BrowserContextDestroyed(profile);
}

void TemplateURLServiceFactory::BrowserContextDestroyed(
    content::BrowserContext* profile) {
  // Don't double delete.
}