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// Copyright (c) 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_WIN_H_
#define DEVICE_HID_HID_CONNECTION_WIN_H_
#include <windows.h>
#include <set>
#include "base/win/scoped_handle.h"
#include "device/hid/hid_connection.h"
namespace device {
struct PendingHidTransfer;
class HidConnectionWin : public HidConnection {
public:
explicit HidConnectionWin(const HidDeviceInfo& device_info);
// HidConnection implementation.
virtual void PlatformRead(scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) OVERRIDE;
virtual void PlatformWrite(uint8_t report_id,
scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) OVERRIDE;
virtual void PlatformGetFeatureReport(
uint8_t report_id,
scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) OVERRIDE;
virtual void PlatformSendFeatureReport(
uint8_t report_id,
scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback) OVERRIDE;
private:
friend class HidServiceWin;
friend struct PendingHidTransfer;
~HidConnectionWin();
bool available() const { return file_.IsValid(); }
void OnTransferFinished(scoped_refptr<PendingHidTransfer> transfer);
void OnTransferCanceled(scoped_refptr<PendingHidTransfer> transfer);
base::win::ScopedHandle file_;
std::set<scoped_refptr<PendingHidTransfer> > transfers_;
DISALLOW_COPY_AND_ASSIGN(HidConnectionWin);
};
} // namespace device
#endif // DEVICE_HID_HID_CONNECTION_WIN_H_
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