| // Copyright 2019 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_DBUS_GNUBBY_CLIENT_H_ |
| #define CHROMEOS_DBUS_GNUBBY_CLIENT_H_ |
| |
| #include <memory> |
| |
| #include "base/component_export.h" |
| #include "chromeos/dbus/dbus_client.h" |
| #include "dbus/bus.h" |
| #include "dbus/message.h" |
| #include "third_party/cros_system_api/dbus/u2f/dbus-constants.h" |
| |
| namespace chromeos { |
| // GnubbyClient is used to communicate with the Gnubby service. |
| class COMPONENT_EXPORT(CHROMEOS_DBUS) GnubbyClient : public DBusClient { |
| public: |
| // Interface for observing changes in Gnubby Client |
| class Observer { |
| public: |
| // Called when U2F service is requested |
| virtual void PromptUserAuth() {} |
| |
| protected: |
| virtual ~Observer() = default; |
| }; |
| |
| // Create should be called instead of constructor. |
| GnubbyClient(); |
| ~GnubbyClient() override; |
| |
| // Factory function, creates a new instance and returns ownership. |
| // For normal usage, access the singleton via DBusThreadManager::Get(). |
| static std::unique_ptr<GnubbyClient> Create(); |
| |
| // Adds an observer. |
| virtual void AddObserver(Observer* observer) = 0; |
| |
| // Removes an observer if added. |
| virtual void RemoveObserver(Observer* observer) = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GnubbyClient); |
| }; |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_DBUS_GNUBBY_CLIENT_H_ |