blob: fd76c3e929c7fc009ead1fa6b8c5bd989c3fb0d9 [file] [log] [blame]
// Copyright (c) 2013 The Chromium OS 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 MIST_USB_DEVICE_EVENT_OBSERVER_H_
#define MIST_USB_DEVICE_EVENT_OBSERVER_H_
#include <stdint.h>
#include <string>
#include <base/macros.h>
namespace mist {
// An interface class for observing USB device events from
// UsbDeviceEventNotifier.
class UsbDeviceEventObserver {
public:
// Invoked when a USB device is added to the system.
virtual void OnUsbDeviceAdded(const std::string& sys_path,
uint8_t bus_number,
uint8_t device_address,
uint16_t vendor_id,
uint16_t product_id) = 0;
// Invoked when a USB device is removed from the system.
virtual void OnUsbDeviceRemoved(const std::string& sys_path) = 0;
protected:
UsbDeviceEventObserver() = default;
virtual ~UsbDeviceEventObserver() = default;
private:
DISALLOW_COPY_AND_ASSIGN(UsbDeviceEventObserver);
};
} // namespace mist
#endif // MIST_USB_DEVICE_EVENT_OBSERVER_H_