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/browser_context_keyed_service/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 InvalidationService;
  25 class P2PInvalidationService;
  26 class FakeInvalidationService;
  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   static InvalidationService* GetForProfile(Profile* profile);
  36
  37   static InvalidationServiceFactory* GetInstance();
  38
  39   // A helper function to set this factory to return FakeInvalidationServices
  40   // instead of the default InvalidationService objects.
  41   void SetBuildOnlyFakeInvalidatorsForTest(bool test_mode_enabled);
  42
  43   // These helper functions to set the factory to build a test-only type of
  44   // invalidator and return the instance immeidately.
  45   P2PInvalidationService* BuildAndUseP2PInvalidationServiceForTest(
  46       content::BrowserContext* context);
  47
  48  private:
  49   friend struct DefaultSingletonTraits<InvalidationServiceFactory>;
  50
  51   InvalidationServiceFactory();
  52   virtual ~InvalidationServiceFactory();
  53
  54   // BrowserContextKeyedServiceFactory:
  55   virtual BrowserContextKeyedService* BuildServiceInstanceFor(
  56       content::BrowserContext* context) const OVERRIDE;
  57   virtual void RegisterProfilePrefs(
  58       user_prefs::PrefRegistrySyncable* registry) OVERRIDE;
  59
  60   // If true, this factory will return only FakeInvalidationService instances.
  61   bool build_fake_invalidators_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(InvalidationServiceFactory);
  64 };
  65
  66 }  // namespace invalidation
  67
  68 #endif  // CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_FACTORY_H_