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// Copyright 2012 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.
//
// An implementation of SyncNotifier that wraps InvalidationNotifier
// on its own thread.
#ifndef SYNC_NOTIFIER_NON_BLOCKING_INVALIDATOR_H_
#define SYNC_NOTIFIER_NON_BLOCKING_INVALIDATOR_H_
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "jingle/notifier/base/notifier_options.h"
#include "sync/base/sync_export.h"
#include "sync/internal_api/public/util/weak_handle.h"
#include "sync/notifier/invalidation_handler.h"
#include "sync/notifier/invalidation_state_tracker.h"
#include "sync/notifier/invalidator.h"
#include "sync/notifier/invalidator_registrar.h"
namespace base {
class SingleThreadTaskRunner;
} // namespace base
namespace syncer {
class SYNC_EXPORT_PRIVATE NonBlockingInvalidator
: public Invalidator,
// InvalidationHandler to "observe" our Core via WeakHandle.
public InvalidationHandler {
public:
// |invalidation_state_tracker| must be initialized.
NonBlockingInvalidator(
const notifier::NotifierOptions& notifier_options,
const std::string& invalidator_client_id,
const UnackedInvalidationsMap& saved_invalidations,
const std::string& invalidation_bootstrap_data,
const WeakHandle<InvalidationStateTracker>&
invalidation_state_tracker,
const std::string& client_info);
virtual ~NonBlockingInvalidator();
// Invalidator implementation.
virtual void RegisterHandler(InvalidationHandler* handler) OVERRIDE;
virtual void UpdateRegisteredIds(InvalidationHandler* handler,
const ObjectIdSet& ids) OVERRIDE;
virtual void UnregisterHandler(InvalidationHandler* handler) OVERRIDE;
virtual InvalidatorState GetInvalidatorState() const OVERRIDE;
virtual void UpdateCredentials(
const std::string& email, const std::string& token) OVERRIDE;
// InvalidationHandler implementation.
virtual void OnInvalidatorStateChange(InvalidatorState state) OVERRIDE;
virtual void OnIncomingInvalidation(
const ObjectIdInvalidationMap& invalidation_map) OVERRIDE;
private:
class Core;
InvalidatorRegistrar registrar_;
// The real guts of NonBlockingInvalidator, which allows this class to live
// completely on the parent thread.
scoped_refptr<Core> core_;
scoped_refptr<base::SingleThreadTaskRunner> parent_task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
base::WeakPtrFactory<NonBlockingInvalidator> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(NonBlockingInvalidator);
};
} // namespace syncer
#endif // SYNC_NOTIFIER_NON_BLOCKING_INVALIDATOR_H_
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