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 namespace base {
  13 template <typename T>
  14 struct DefaultSingletonTraits;
  15 }  // namespace base
  16
  17 namespace ios {
  18 class ChromeBrowserState;
  19 }
  20
  21 namespace suggestions {
  22
  23 class SuggestionsService;
  24
  25 // Singleton that owns all SuggestionsServices and associates them with
  26 // web::BrowserState.
  27 class SuggestionsServiceFactory : public BrowserStateKeyedServiceFactory {
  28  public:
  29   static SuggestionsServiceFactory* GetInstance();
  30
  31   // Returns the SuggestionsService for |browser_state|.
  32   static SuggestionsService* GetForBrowserState(
  33       ios::ChromeBrowserState* browser_state);
  34
  35  private:
  36   friend struct base::DefaultSingletonTraits<SuggestionsServiceFactory>;
  37
  38   SuggestionsServiceFactory();
  39   ~SuggestionsServiceFactory() override;
  40
  41   // BrowserStateKeyedServiceFactory implementation.
  42   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  43       web::BrowserState* context) const override;
  44   void RegisterBrowserStatePrefs(
  45       user_prefs::PrefRegistrySyncable* registry) override;
  46
  47   DISALLOW_COPY_AND_ASSIGN(SuggestionsServiceFactory);
  48 };
  49
  50 }  // namespace suggestions
  51
  52 #endif  // IOS_CHROME_BROWSER_SUGGESTIONS_SUGGESTIONS_SERVICE_FACTORY_H_