Commit InvalidationService implementations

chrome/browser/invalidation/invalidation_service_factory.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_FACTORY_H_
+#define CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_FACTORY_H_
+
+#include "base/basictypes.h"
+#include "base/memory/singleton.h"
+#include "chrome/browser/profiles/profile_keyed_service_factory.h"
+
+namespace syncer {
+class Invalidator;
+}
+
+class InvalidationFrontend;
+class Profile;
+
+namespace invalidation {
+
+// A ProfileKeyedServiceFactory to construct InvalidationServices.  The
+// implementation of the InvalidationService may be completely different on
+// different platforms; this class should help to hide this complexity.  It also
+// exposes some factory methods that are useful for setting up tests that rely
+// on invalidations.
+class InvalidationServiceFactory : public ProfileKeyedServiceFactory {
+ public:
+  // TODO(rlarocque): Re-enable this once InvalidationFrontend can extend
+  // ProfileKeyedService.
+  // static InvalidationFrontend* GetForProfile(Profile* profile);
+
+  static InvalidationServiceFactory* GetInstance();
+
+  static ProfileKeyedService* BuildP2PInvalidationServiceFor(Profile* profile);
+  static ProfileKeyedService* BuildTestServiceInstanceFor(Profile* profile);
+
+ private:
+  friend struct DefaultSingletonTraits<InvalidationServiceFactory>;
+
+  InvalidationServiceFactory();
+  virtual ~InvalidationServiceFactory();
+
+  // ProfileKeyedServiceFactory:
+  virtual ProfileKeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* profile) const OVERRIDE;
+  // TODO(rlarocque): Use this class, not InvalidatorStorage, to register
+  // for user prefs.
+  // virtual void RegisterUserPrefs(PrefRegistrySyncable* registry) OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(InvalidationServiceFactory);
+};
+
+}  // namespace invalidation
+
+#endif  // CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_FACTORY_H_