chrome/browser/invalidation/invalidation_service_android.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_ANDROID_H_
   6 #define CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_ANDROID_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/threading/non_thread_safe.h"
  12 #include "components/invalidation/invalidation_logger.h"
  13 #include "components/invalidation/invalidation_service.h"
  14 #include "components/keyed_service/core/keyed_service.h"
  15 #include "content/public/browser/notification_observer.h"
  16 #include "content/public/browser/notification_registrar.h"
  17 #include "sync/notifier/invalidator_registrar.h"
  18
  19 class Profile;
  20
  21 namespace invalidation {
  22 class InvalidationControllerAndroid;
  23 class InvalidationLogger;
  24
  25 // This InvalidationService is used to deliver invalidations on Android.  The
  26 // Android operating system has its own mechanisms for delivering invalidations.
  27 // This class uses the NotificationService to communicate with a thin wrapper
  28 // around Android's invalidations service.
  29 class InvalidationServiceAndroid
  30     : public base::NonThreadSafe,
  31       public InvalidationService,
  32       public content::NotificationObserver {
  33  public:
  34   // Takes ownership of |invalidation_controller|.
  35   InvalidationServiceAndroid(
  36       Profile* profile,
  37       InvalidationControllerAndroid* invalidation_controller);
  38   virtual ~InvalidationServiceAndroid();
  39
  40   // InvalidationService implementation.
  41   //
  42   // Note that this implementation does not properly support Ack-tracking,
  43   // fetching the invalidator state, or querying the client's ID.  Support for
  44   // exposing the client ID should be available soon; see crbug.com/172391.
  45   virtual void RegisterInvalidationHandler(
  46       syncer::InvalidationHandler* handler) OVERRIDE;
  47   virtual void UpdateRegisteredInvalidationIds(
  48       syncer::InvalidationHandler* handler,
  49       const syncer::ObjectIdSet& ids) OVERRIDE;
  50   virtual void UnregisterInvalidationHandler(
  51       syncer::InvalidationHandler* handler) OVERRIDE;
  52   virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
  53   virtual std::string GetInvalidatorClientId() const OVERRIDE;
  54   virtual InvalidationLogger* GetInvalidationLogger() OVERRIDE;
  55   virtual void RequestDetailedStatus(
  56       base::Callback<void(const base::DictionaryValue&)> caller) const
  57       OVERRIDE;
  58   virtual IdentityProvider* GetIdentityProvider() OVERRIDE;
  59
  60   // content::NotificationObserver implementation.
  61   virtual void Observe(int type,
  62                        const content::NotificationSource& source,
  63                        const content::NotificationDetails& details) OVERRIDE;
  64
  65   // The InvalidationServiceAndroid always reports that it is enabled.
  66   // This is used only by unit tests.
  67   void TriggerStateChangeForTest(syncer::InvalidatorState state);
  68
  69  private:
  70   syncer::InvalidatorRegistrar invalidator_registrar_;
  71   content::NotificationRegistrar registrar_;
  72   syncer::InvalidatorState invalidator_state_;
  73   scoped_ptr<InvalidationControllerAndroid> invalidation_controller_;
  74
  75   // The invalidation logger object we use to record state changes
  76   // and invalidations.
  77   InvalidationLogger logger_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(InvalidationServiceAndroid);
  80 };
  81
  82 }  // namespace invalidation
  83
  84 #endif  // CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_ANDROID_H_