blob: 36600e44cbcb545bcc98f9ac0020cd7668f86830 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
// Copyright 2014 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 DEVICE_CORE_DEVICE_MONITOR_WIN_H_
#define DEVICE_CORE_DEVICE_MONITOR_WIN_H_
#include <windows.h>
#include "base/observer_list.h"
#include "device/core/device_core_export.h"
namespace device {
// Use an instance of this class to observe devices being added and removed
// from the system, matched by device interface GUID.
class DEVICE_CORE_EXPORT DeviceMonitorWin {
public:
class DEVICE_CORE_EXPORT Observer {
public:
virtual void OnDeviceAdded(const GUID& class_guid,
const std::string& device_path);
virtual void OnDeviceRemoved(const GUID& class_guid,
const std::string& device_path);
};
~DeviceMonitorWin();
static DeviceMonitorWin* GetForDeviceInterface(const GUID& guid);
static DeviceMonitorWin* GetForAllInterfaces();
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
private:
friend class DeviceMonitorMessageWindow;
DeviceMonitorWin();
void NotifyDeviceAdded(const GUID& class_guid,
const std::string& device_path);
void NotifyDeviceRemoved(const GUID& class_guid,
const std::string& device_path);
base::ObserverList<Observer> observer_list_;
};
} // namespace device
#endif // DEVICE_CORE_DEVICE_MONITOR_WIN_H_
|
