chrome/browser/invalidation/invalidation_service_factory.h

   1 // Copyright (c) 2013 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_INVALIDATION_INVALIDATION_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_FACTORY_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/singleton.h"
  10 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  11
  12 namespace user_prefs {
  13 class PrefRegistrySyncable;
  14 }
  15
  16 namespace syncer {
  17 class Invalidator;
  18 }
  19
  20 class Profile;
  21
  22 namespace invalidation {
  23
  24 class FakeInvalidationService;
  25 class InvalidationService;
  26 class P2PInvalidationService;
  27
  28 // A BrowserContextKeyedServiceFactory to construct InvalidationServices.  The
  29 // implementation of the InvalidationService may be completely different on
  30 // different platforms; this class should help to hide this complexity.  It also
  31 // exposes some factory methods that are useful for setting up tests that rely
  32 // on invalidations.
  33 class InvalidationServiceFactory : public BrowserContextKeyedServiceFactory {
  34  public:
  35   // Returns the InvalidationService for the given |profile|, lazily creating
  36   // one first if required. If |profile| does not support invalidation
  37   // (Chrome OS login profile, Chrome OS guest), returns NULL instead.
  38   static InvalidationService* GetForProfile(Profile* profile);
  39
  40   static InvalidationServiceFactory* GetInstance();
  41
  42   // Switches service creation to go through |testing_factory| for all browser
  43   // contexts.
  44   void RegisterTestingFactory(TestingFactoryFunction testing_factory);
  45
  46  private:
  47   friend class InvalidationServiceFactoryTestBase;
  48   friend struct DefaultSingletonTraits<InvalidationServiceFactory>;
  49
  50   InvalidationServiceFactory();
  51   virtual ~InvalidationServiceFactory();
  52
  53   // BrowserContextKeyedServiceFactory:
  54   virtual KeyedService* BuildServiceInstanceFor(
  55       content::BrowserContext* context) const OVERRIDE;
  56   virtual void RegisterProfilePrefs(
  57       user_prefs::PrefRegistrySyncable* registry) OVERRIDE;
  58
  59   TestingFactoryFunction testing_factory_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(InvalidationServiceFactory);
  62 };
  63
  64 }  // namespace invalidation
  65
  66 #endif  // CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_FACTORY_H_