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// 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_HID_HID_CONNECTION_H_
#define DEVICE_HID_HID_CONNECTION_H_
#include <stdint.h>
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "device/hid/hid_device_info.h"
#include "net/base/io_buffer.h"
namespace device {
class HidConnection : public base::RefCountedThreadSafe<HidConnection> {
public:
typedef base::Callback<void(bool success, size_t size)> IOCallback;
virtual void Read(scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) = 0;
virtual void Write(uint8_t report_id,
scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) = 0;
virtual void GetFeatureReport(uint8_t report_id,
scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) = 0;
virtual void SendFeatureReport(uint8_t report_id,
scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) = 0;
const HidDeviceInfo& device_info() const { return device_info_; }
protected:
friend class base::RefCountedThreadSafe<HidConnection>;
friend struct HidDeviceInfo;
explicit HidConnection(const HidDeviceInfo& device_info);
virtual ~HidConnection();
private:
const HidDeviceInfo device_info_;
DISALLOW_COPY_AND_ASSIGN(HidConnection);
};
struct PendingHidReport {
PendingHidReport();
~PendingHidReport();
scoped_refptr<net::IOBufferWithSize> buffer;
};
struct PendingHidRead {
PendingHidRead();
~PendingHidRead();
scoped_refptr<net::IOBufferWithSize> buffer;
HidConnection::IOCallback callback;
};
} // namespace device
#endif // DEVICE_HID_HID_CONNECTION_H_
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