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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 class that manages the registration of types for server-issued
// notifications.
#ifndef CHROME_BROWSER_SYNC_NOTIFIER_REGISTRATION_MANAGER_H_
#define CHROME_BROWSER_SYNC_NOTIFIER_REGISTRATION_MANAGER_H_
#include <map>
#include "base/basictypes.h"
#include "base/non_thread_safe.h"
#include "chrome/browser/sync/syncable/model_type.h"
namespace invalidation {
class InvalidationClient;
class ObjectId;
class RegistrationUpdateResult;
} // namespace
namespace sync_notifier {
class RegistrationManager {
public:
// Does not take ownership of |invalidation_client_|.
explicit RegistrationManager(
invalidation::InvalidationClient* invalidation_client);
~RegistrationManager();
// If |model_type| is valid, starts the process to register it and
// returns true. Otherwise, returns false.
bool RegisterType(syncable::ModelType model_type);
// Returns true iff |model_type| has been successfully registered.
// Note that IsRegistered(model_type) may not immediately (or ever)
// return true after calling RegisterType(model_type).
//
// Currently only used by unit tests.
bool IsRegistered(syncable::ModelType model_type) const;
// TODO(akalin): We will eventually need an UnregisterType().
// Marks the registration for the |model_type| lost and re-registers
// it.
void MarkRegistrationLost(syncable::ModelType model_type);
// Marks all registrations lost and re-registers them.
void MarkAllRegistrationsLost();
private:
enum RegistrationStatus {
// Registration request has not yet been sent.
UNREGISTERED,
// Registration request has been sent; waiting on confirmation.
PENDING,
// Registration has been confirmed.
REGISTERED,
};
typedef std::map<syncable::ModelType, RegistrationStatus>
RegistrationStatusMap;
// Calls invalidation_client_->Register() on |object_id|. sets
// it->second to UNREGISTERED -> PENDING.
void RegisterObject(const invalidation::ObjectId& object_id,
RegistrationStatusMap::iterator it);
void OnRegister(const invalidation::RegistrationUpdateResult& result);
NonThreadSafe non_thread_safe_;
// Weak pointer.
invalidation::InvalidationClient* invalidation_client_;
RegistrationStatusMap registration_status_;
DISALLOW_COPY_AND_ASSIGN(RegistrationManager);
};
} // namespace sync_notifier
#endif // CHROME_BROWSER_SYNC_NOTIFIER_REGISTRATION_MANAGER_H_
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