1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef DEVICE_HID_HID_SERVICE_H_
6 #define DEVICE_HID_HID_SERVICE_H_
12 #include "base/memory/ref_counted.h"
13 #include "base/single_thread_task_runner.h"
14 #include "base/threading/thread_checker.h"
15 #include "device/hid/hid_device_info.h"
23 static HidService* GetInstance(
24 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
25 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
27 // Enumerates and returns a list of device identifiers.
28 virtual void GetDevices(std::vector<HidDeviceInfo>* devices);
30 // Fills in a DeviceInfo struct with info for the given device_id.
31 // Returns |true| if successful or |false| if |device_id| is invalid.
32 bool GetDeviceInfo(const HidDeviceId& device_id, HidDeviceInfo* info) const;
34 virtual scoped_refptr<HidConnection> Connect(
35 const HidDeviceId& device_id) = 0;
38 friend class HidConnectionTest;
40 typedef std::map<HidDeviceId, HidDeviceInfo> DeviceMap;
43 virtual ~HidService();
45 void AddDevice(const HidDeviceInfo& info);
46 void RemoveDevice(const HidDeviceId& device_id);
48 const DeviceMap& devices() const { return devices_; }
50 base::ThreadChecker thread_checker_;
57 DISALLOW_COPY_AND_ASSIGN(HidService);
62 #endif // DEVICE_HID_HID_SERVICE_H_