Home | History | Annotate | Download | only in invalidation 
      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/invalidation/invalidator_registrar.h"
     15 #include "components/keyed_service/core/keyed_service.h"
     16 #include "content/public/browser/notification_observer.h"
     17 #include "content/public/browser/notification_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_
     85