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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_POLICY_INVALIDATION_AFFILIATED_INVALIDATION_SERVICE_PROVIDER_IMPL_H_
#define CHROME_BROWSER_ASH_POLICY_INVALIDATION_AFFILIATED_INVALIDATION_SERVICE_PROVIDER_IMPL_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "base/scoped_observation.h"
#include "chrome/browser/ash/policy/invalidation/affiliated_invalidation_service_provider.h"
#include "components/invalidation/public/identity_provider.h"
#include "components/session_manager/core/session_manager.h"
#include "components/session_manager/core/session_manager_observer.h"
class AccountId;
namespace invalidation {
class InvalidationService;
}
namespace instance_id {
class InstanceIDDriver;
}
namespace policy {
class AffiliatedInvalidationServiceProviderImpl
: public AffiliatedInvalidationServiceProvider,
public session_manager::SessionManagerObserver {
public:
explicit AffiliatedInvalidationServiceProviderImpl(int64_t project_number);
AffiliatedInvalidationServiceProviderImpl(
const AffiliatedInvalidationServiceProviderImpl&) = delete;
AffiliatedInvalidationServiceProviderImpl& operator=(
const AffiliatedInvalidationServiceProviderImpl&) = delete;
~AffiliatedInvalidationServiceProviderImpl() override;
// session_manager::SessionManagerObserver:
void OnUserProfileLoaded(const AccountId& account_id) override;
// AffiliatedInvalidationServiceProvider:
void RegisterConsumer(Consumer* consumer) override;
void UnregisterConsumer(Consumer* consumer) override;
void Shutdown() override;
invalidation::InvalidationService* GetDeviceInvalidationServiceForTest()
const;
private:
// Helper that monitors the status of a single |InvalidationService|.
class InvalidationServiceObserver;
// Status updates received from |InvalidationServiceObserver|s.
void OnInvalidationServiceConnected(
invalidation::InvalidationService* invalidation_service);
void OnInvalidationServiceDisconnected(
invalidation::InvalidationService* invalidation_service);
// Checks whether a connected |InvalidationService| affiliated with the
// device's enrollment domain is available. If so, notifies the consumers.
// Otherwise, consumers will be notified once such an invalidation service
// becomes available.
// Further ensures that a device-global invalidation service is running iff
// there is no other connected service available for use and there is at least
// one registered consumer.
void FindConnectedInvalidationService();
// Choose |invalidation_service| as the |current_invalidation_service_| and
// notify consumers.
void SetCurrentInvalidationService(
invalidation::InvalidationService* invalidation_service);
// Destroy the device-global invalidation service, if any.
void DestroyDeviceInvalidationService();
// Initializes and returns an `InvalidationService`.
std::unique_ptr<invalidation::InvalidationService>
InitializeDeviceInvalidationService();
base::ScopedObservation<session_manager::SessionManager,
session_manager::SessionManagerObserver>
session_observation_{this};
// State observer for the device-global invalidation service.
std::unique_ptr<InvalidationServiceObserver>
device_invalidation_service_observer_;
// The |device_identity_provider_| must be declared before
// |device_invalidation_service_| because the service has a pointer to it.
std::unique_ptr<invalidation::IdentityProvider> device_identity_provider_;
// The |device_instance_id_driver_| must be declared before
// |device_invalidation_service_| because the service has a pointer to it. Not
// null only when FCM is enabled.
std::unique_ptr<instance_id::InstanceIDDriver> device_instance_id_driver_;
// Device-global invalidation service.
std::unique_ptr<invalidation::InvalidationService>
device_invalidation_service_;
// State observers for logged-in users' invalidation services.
std::vector<std::unique_ptr<InvalidationServiceObserver>>
profile_invalidation_service_observers_;
// The invalidation service currently used by consumers. nullptr if there are
// no registered consumers or no connected invalidation service is available
// for use.
raw_ptr<invalidation::InvalidationService> current_invalidation_service_;
base::ObserverList<Consumer, true>::Unchecked consumers_;
int consumer_count_;
bool is_shut_down_;
// GCM project number used for invalidations.
const int64_t project_number_;
};
} // namespace policy
#endif // CHROME_BROWSER_ASH_POLICY_INVALIDATION_AFFILIATED_INVALIDATION_SERVICE_PROVIDER_IMPL_H_
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