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_CONNECTION_H_
6 #define DEVICE_HID_HID_CONNECTION_H_
10 #include "base/callback.h"
11 #include "base/memory/ref_counted.h"
12 #include "device/hid/hid_device_info.h"
13 #include "net/base/io_buffer.h"
17 class HidConnection : public base::RefCountedThreadSafe<HidConnection> {
19 typedef base::Callback<void(bool success, size_t size)> IOCallback;
21 virtual void Read(scoped_refptr<net::IOBufferWithSize> buffer,
22 const IOCallback& callback) = 0;
23 virtual void Write(uint8_t report_id,
24 scoped_refptr<net::IOBufferWithSize> buffer,
25 const IOCallback& callback) = 0;
26 virtual void GetFeatureReport(uint8_t report_id,
27 scoped_refptr<net::IOBufferWithSize> buffer,
28 const IOCallback& callback) = 0;
29 virtual void SendFeatureReport(uint8_t report_id,
30 scoped_refptr<net::IOBufferWithSize> buffer,
31 const IOCallback& callback) = 0;
33 const HidDeviceInfo& device_info() const { return device_info_; }
36 friend class base::RefCountedThreadSafe<HidConnection>;
37 friend struct HidDeviceInfo;
39 explicit HidConnection(const HidDeviceInfo& device_info);
40 virtual ~HidConnection();
43 const HidDeviceInfo device_info_;
45 DISALLOW_COPY_AND_ASSIGN(HidConnection);
48 struct PendingHidReport {
52 scoped_refptr<net::IOBufferWithSize> buffer;
55 struct PendingHidRead {
59 scoped_refptr<net::IOBufferWithSize> buffer;
60 HidConnection::IOCallback callback;
65 #endif // DEVICE_HID_HID_CONNECTION_H_