chrome/browser/autocomplete/shortcuts_backend_factory.h

   1 // Copyright (c) 2012 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 CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_
   6 #define CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/singleton.h"
  10 #include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
  11
  12 class Profile;
  13
  14 class ShortcutsBackend;
  15
  16 // Singleton that owns all instances of ShortcutsBackend and associates them
  17 // with Profiles.
  18 class ShortcutsBackendFactory
  19     : public RefcountedBrowserContextKeyedServiceFactory {
  20  public:
  21   static scoped_refptr<ShortcutsBackend> GetForProfile(Profile* profile);
  22
  23   static scoped_refptr<ShortcutsBackend> GetForProfileIfExists(
  24       Profile* profile);
  25
  26   static ShortcutsBackendFactory* GetInstance();
  27
  28   // Creates and returns a backend for testing purposes.
  29   static scoped_refptr<RefcountedBrowserContextKeyedService>
  30       BuildProfileForTesting(content::BrowserContext* profile);
  31
  32   // Creates and returns a backend but without creating its persistent database
  33   // for testing purposes.
  34   static scoped_refptr<RefcountedBrowserContextKeyedService>
  35       BuildProfileNoDatabaseForTesting(content::BrowserContext* profile);
  36
  37  private:
  38   friend struct DefaultSingletonTraits<ShortcutsBackendFactory>;
  39
  40   ShortcutsBackendFactory();
  41   virtual ~ShortcutsBackendFactory();
  42
  43   // BrowserContextKeyedServiceFactory:
  44   virtual scoped_refptr<RefcountedBrowserContextKeyedService>
  45       BuildServiceInstanceFor(content::BrowserContext* profile) const OVERRIDE;
  46   virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
  47 };
  48
  49 #endif  // CHROME_BROWSER_AUTOCOMPLETE_SHORTCUTS_BACKEND_FACTORY_H_