| // Copyright 2017 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 CHROMEOS_COMPONENTS_TETHER_DISCONNECT_TETHERING_OPERATION_H_ |
| #define CHROMEOS_COMPONENTS_TETHER_DISCONNECT_TETHERING_OPERATION_H_ |
| |
| #include "base/observer_list.h" |
| #include "base/time/clock.h" |
| #include "chromeos/components/tether/message_transfer_operation.h" |
| |
| namespace chromeos { |
| |
| namespace device_sync { |
| class DeviceSyncClient; |
| } // namespace device_sync |
| |
| namespace secure_channel { |
| class SecureChannelClient; |
| } // namespace secure_channel |
| |
| namespace tether { |
| |
| class BleConnectionManager; |
| |
| // Operation which sends a disconnect message to a tether host. |
| class DisconnectTetheringOperation : public MessageTransferOperation { |
| public: |
| class Factory { |
| public: |
| static std::unique_ptr<DisconnectTetheringOperation> NewInstance( |
| cryptauth::RemoteDeviceRef device_to_connect, |
| device_sync::DeviceSyncClient* device_sync_client, |
| secure_channel::SecureChannelClient* secure_channel_client, |
| BleConnectionManager* connection_manager); |
| |
| static void SetInstanceForTesting(Factory* factory); |
| |
| protected: |
| virtual std::unique_ptr<DisconnectTetheringOperation> BuildInstance( |
| cryptauth::RemoteDeviceRef device_to_connect, |
| device_sync::DeviceSyncClient* device_sync_client, |
| secure_channel::SecureChannelClient* secure_channel_client, |
| BleConnectionManager* connection_manager); |
| |
| private: |
| static Factory* factory_instance_; |
| }; |
| |
| class Observer { |
| public: |
| // Alerts observers when the operation has finished for device with ID |
| // |device_id|. |success| is true when the operation successfully sends the |
| // message and false otherwise. |
| virtual void OnOperationFinished(const std::string& device_id, |
| bool success) = 0; |
| }; |
| |
| ~DisconnectTetheringOperation() override; |
| |
| void AddObserver(Observer* observer); |
| void RemoveObserver(Observer* observer); |
| |
| protected: |
| DisconnectTetheringOperation( |
| cryptauth::RemoteDeviceRef device_to_connect, |
| device_sync::DeviceSyncClient* device_sync_client, |
| secure_channel::SecureChannelClient* secure_channel_client, |
| BleConnectionManager* connection_manager); |
| |
| void NotifyObserversOperationFinished(bool success); |
| |
| // MessageTransferOperation: |
| void OnDeviceAuthenticated(cryptauth::RemoteDeviceRef remote_device) override; |
| void OnOperationFinished() override; |
| MessageType GetMessageTypeForConnection() override; |
| void OnMessageSent(int sequence_number) override; |
| |
| private: |
| friend class DisconnectTetheringOperationTest; |
| |
| void SetClockForTest(base::Clock* clock_for_test); |
| |
| base::ObserverList<Observer>::Unchecked observer_list_; |
| cryptauth::RemoteDeviceRef remote_device_; |
| int disconnect_message_sequence_number_ = -1; |
| bool has_sent_message_; |
| |
| base::Clock* clock_; |
| base::Time disconnect_start_time_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DisconnectTetheringOperation); |
| }; |
| |
| } // namespace tether |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_COMPONENTS_TETHER_DISCONNECT_TETHERING_OPERATION_H_ |