ios/chrome/browser/suggestions/suggestions_service_factory.h

   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 #ifndef IOS_CHROME_BROWSER_SUGGESTIONS_SUGGESTIONS_SERVICE_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_SUGGESTIONS_SUGGESTIONS_SERVICE_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "components/keyed_service/ios/browser_state_keyed_service_factory.h"
  11
  12 template <typename T>
  13 struct DefaultSingletonTraits;
  14
  15 namespace ios {
  16 class ChromeBrowserState;
  17 }
  18
  19 namespace suggestions {
  20
  21 class SuggestionsService;
  22
  23 // Singleton that owns all SuggestionsServices and associates them with
  24 // web::BrowserState.
  25 class SuggestionsServiceFactory : public BrowserStateKeyedServiceFactory {
  26  public:
  27   static SuggestionsServiceFactory* GetInstance();
  28
  29   // Returns the SuggestionsService for |browser_state|.
  30   static SuggestionsService* GetForBrowserState(
  31       ios::ChromeBrowserState* browser_state);
  32
  33  private:
  34   friend struct DefaultSingletonTraits<SuggestionsServiceFactory>;
  35
  36   SuggestionsServiceFactory();
  37   ~SuggestionsServiceFactory() override;
  38
  39   // BrowserStateKeyedServiceFactory implementation.
  40   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  41       web::BrowserState* context) const override;
  42   void RegisterBrowserStatePrefs(
  43       user_prefs::PrefRegistrySyncable* registry) override;
  44
  45   DISALLOW_COPY_AND_ASSIGN(SuggestionsServiceFactory);
  46 };
  47
  48 }  // namespace suggestions
  49
  50 #endif  // IOS_CHROME_BROWSER_SUGGESTIONS_SUGGESTIONS_SERVICE_FACTORY_H_