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// Copyright (c) 2010 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.
//
// A simple wrapper around invalidation::InvalidationClient that
// handles all the startup/shutdown details and hookups.
#ifndef CHROME_BROWSER_SYNC_NOTIFIER_CHROME_INVALIDATION_CLIENT_H_
#define CHROME_BROWSER_SYNC_NOTIFIER_CHROME_INVALIDATION_CLIENT_H_
#pragma once
#include <string>
#include "base/basictypes.h"
#include "base/non_thread_safe.h"
#include "base/scoped_ptr.h"
#include "base/weak_ptr.h"
#include "chrome/browser/sync/notifier/chrome_system_resources.h"
#include "chrome/browser/sync/notifier/state_writer.h"
#include "chrome/browser/sync/syncable/model_type.h"
#include "google/cacheinvalidation/invalidation-client.h"
namespace talk_base {
class Task;
} // namespace
namespace sync_notifier {
class CacheInvalidationPacketHandler;
class RegistrationManager;
// TODO(akalin): Hook this up to a NetworkChangeNotifier so we can
// properly notify invalidation_client_.
class ChromeInvalidationClient
: public invalidation::InvalidationListener,
public StateWriter {
public:
class Listener {
public:
virtual ~Listener();
virtual void OnInvalidate(syncable::ModelType model_type) = 0;
virtual void OnInvalidateAll() = 0;
};
ChromeInvalidationClient();
// Calls Stop().
virtual ~ChromeInvalidationClient();
// Does not take ownership of |listener| or |state_writer|.
// |base_task| must still be non-NULL.
void Start(
const std::string& client_id, const std::string& state,
Listener* listener, StateWriter* state_writer,
base::WeakPtr<talk_base::Task> base_task);
void Stop();
// Register the sync types that we're interested in getting
// notifications for. Must only be called between calls to Start()
// and Stop().
void RegisterTypes();
// invalidation::InvalidationListener implementation.
//
// TODO(akalin): Move these into a private inner class.
virtual void Invalidate(const invalidation::Invalidation& invalidation,
invalidation::Closure* callback);
virtual void InvalidateAll(invalidation::Closure* callback);
virtual void RegistrationStateChanged(
const invalidation::ObjectId& object_id,
invalidation::RegistrationState new_state,
const invalidation::UnknownHint& unknown_hint);
virtual void AllRegistrationsLost(invalidation::Closure* callback);
virtual void RegistrationLost(const invalidation::ObjectId& object_id,
invalidation::Closure* callback);
// StateWriter implementation.
virtual void WriteState(const std::string& state);
private:
NonThreadSafe non_thread_safe_;
ChromeSystemResources chrome_system_resources_;
Listener* listener_;
StateWriter* state_writer_;
scoped_ptr<invalidation::InvalidationClient> invalidation_client_;
scoped_ptr<CacheInvalidationPacketHandler>
cache_invalidation_packet_handler_;
scoped_ptr<RegistrationManager> registration_manager_;
DISALLOW_COPY_AND_ASSIGN(ChromeInvalidationClient);
};
} // namespace sync_notifier
#endif // CHROME_BROWSER_SYNC_NOTIFIER_CHROME_INVALIDATION_CLIENT_H_
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