ios/chrome/browser/autocomplete/autocomplete_classifier_factory.h

   1 // Copyright 2015 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_AUTOCOMPLETE_AUTOCOMPLETE_CLASSIFIER_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CLASSIFIER_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 class AutocompleteClassifier;
  15
  16 namespace ios {
  17
  18 class ChromeBrowserState;
  19
  20 // Singleton that owns all AutocompleteClassifiers and associates them with
  21 // ios::ChromeBrowserState.
  22 class AutocompleteClassifierFactory : public BrowserStateKeyedServiceFactory {
  23  public:
  24   static AutocompleteClassifier* GetForBrowserState(
  25       ios::ChromeBrowserState* browser_state);
  26   static AutocompleteClassifierFactory* GetInstance();
  27
  28   // Returns the default factory used to build AutocompleteClassifier. Can be
  29   // registered with SetTestingFactory to use the AutocompleteClassifier
  30   // instance during testing.
  31   static TestingFactoryFunction GetDefaultFactory();
  32
  33  private:
  34   friend struct DefaultSingletonTraits<AutocompleteClassifierFactory>;
  35
  36   AutocompleteClassifierFactory();
  37   ~AutocompleteClassifierFactory() override;
  38
  39   // BrowserStateKeyedServiceFactory implementation.
  40   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  41       web::BrowserState* context) const override;
  42   web::BrowserState* GetBrowserStateToUse(
  43       web::BrowserState* context) const override;
  44   bool ServiceIsNULLWhileTesting() const override;
  45
  46   DISALLOW_COPY_AND_ASSIGN(AutocompleteClassifierFactory);
  47 };
  48
  49 }  // namespace ios
  50
  51 #endif  // IOS_CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_CLASSIFIER_FACTORY_H_