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// 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_ANDROID_H_
#define CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_ANDROID_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/threading/non_thread_safe.h"
#include "chrome/browser/invalidation/invalidation_frontend.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "sync/notifier/invalidator_registrar.h"
class Profile;
namespace invalidation {
// This InvalidationService is used to deliver invalidations on Android. The
// Android operating system has its own mechanisms for delivering invalidations.
// This class uses the NotificationService to communicate with a thin wrapper
// around Android's invalidations service.
class InvalidationServiceAndroid
: public base::NonThreadSafe,
public BrowserContextKeyedService,
public InvalidationFrontend,
public content::NotificationObserver {
public:
explicit InvalidationServiceAndroid(Profile* profile);
virtual ~InvalidationServiceAndroid();
// InvalidationService implementation.
//
// Note that this implementation does not properly support Ack-tracking,
// fetching the invalidator state, or querying the client's ID. Support for
// exposing the client ID should be available soon; see crbug.com/172391.
virtual void RegisterInvalidationHandler(
syncer::InvalidationHandler* handler) OVERRIDE;
virtual void UpdateRegisteredInvalidationIds(
syncer::InvalidationHandler* handler,
const syncer::ObjectIdSet& ids) OVERRIDE;
virtual void UnregisterInvalidationHandler(
syncer::InvalidationHandler* handler) OVERRIDE;
virtual void AcknowledgeInvalidation(
const invalidation::ObjectId& id,
const syncer::AckHandle& ack_handle) OVERRIDE;
virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
virtual std::string GetInvalidatorClientId() const;
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// The InvalidationServiceAndroid always reports that it is enabled.
// This is used only by unit tests.
void TriggerStateChangeForTest(syncer::InvalidatorState state);
private:
syncer::InvalidatorRegistrar invalidator_registrar_;
content::NotificationRegistrar registrar_;
syncer::InvalidatorState invalidator_state_;
DISALLOW_COPY_AND_ASSIGN(InvalidationServiceAndroid);
};
} // namespace invalidation
#endif // CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_ANDROID_H_
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