| // Copyright 2022 The ChromiumOS Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef LIBEC_EC_USB_DEVICE_MONITOR_H_ |
| #define LIBEC_EC_USB_DEVICE_MONITOR_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <base/observer_list_types.h> |
| #include <base/observer_list.h> |
| #include <brillo/brillo_export.h> |
| |
| #include <power_manager/dbus-proxies.h> |
| |
| namespace ec { |
| |
| // Monitors for when EC USB Device has been reconnected and informs observers. |
| // Currently, this class only informs observers after device is woken up from |
| // suspend. |
| class BRILLO_EXPORT EcUsbDeviceMonitor { |
| public: |
| explicit EcUsbDeviceMonitor(scoped_refptr<dbus::Bus> bus); |
| |
| EcUsbDeviceMonitor(const EcUsbDeviceMonitor&) = delete; |
| EcUsbDeviceMonitor& operator=(const EcUsbDeviceMonitor&) = delete; |
| |
| class Observer : public base::CheckedObserver { |
| public: |
| virtual void OnDeviceReconnected() = 0; |
| }; |
| |
| void AddObserver(Observer* observer); |
| void RemoveObserver(Observer* observer); |
| |
| void OnSuspendDone(const std::vector<uint8_t>& serialized_proto); |
| void OnSignalConnected(const std::string& interface_name, |
| const std::string& signal_name, |
| bool success); |
| |
| private: |
| base::ObserverList<Observer> observers_; |
| std::unique_ptr<org::chromium::PowerManagerProxy> power_manager_proxy_; |
| base::WeakPtrFactory<EcUsbDeviceMonitor> weak_factory_{this}; |
| }; |
| |
| } // namespace ec |
| |
| #endif // LIBEC_EC_USB_DEVICE_MONITOR_H_ |