ios/chrome/browser/autocomplete/shortcuts_backend_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_SHORTCUTS_BACKEND_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "components/keyed_service/ios/refcounted_browser_state_keyed_service_factory.h"
  11
  12 namespace base {
  13 template <typename T>
  14 struct DefaultSingletonTraits;
  15 }  // namespace base
  16
  17 class ShortcutsBackend;
  18
  19 namespace ios {
  20
  21 class ChromeBrowserState;
  22
  23 // Singleton that owns all ShortcutsBackends and associates them with
  24 // ios::ChromeBrowserState.
  25 class ShortcutsBackendFactory
  26     : public RefcountedBrowserStateKeyedServiceFactory {
  27  public:
  28   static scoped_refptr<ShortcutsBackend> GetForBrowserState(
  29       ios::ChromeBrowserState* browser_state);
  30   static scoped_refptr<ShortcutsBackend> GetForBrowserStateIfExists(
  31       ios::ChromeBrowserState* browser_state);
  32   static ShortcutsBackendFactory* GetInstance();
  33
  34  private:
  35   friend struct base::DefaultSingletonTraits<ShortcutsBackendFactory>;
  36
  37   ShortcutsBackendFactory();
  38   ~ShortcutsBackendFactory() override;
  39
  40   // BrowserStateKeyedServiceFactory implementation.
  41   scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor(
  42       web::BrowserState* context) const override;
  43   bool ServiceIsNULLWhileTesting() const override;
  44
  45   DISALLOW_COPY_AND_ASSIGN(ShortcutsBackendFactory);
  46 };
  47
  48 }  // namespace ios
  49
  50 #endif  // IOS_CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_