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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_MAC_H_
#define DEVICE_HID_HID_CONNECTION_MAC_H_
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/hid/IOHIDManager.h>
#include <queue>
#include "base/mac/foundation_util.h"
#include "base/memory/scoped_ptr.h"
#include "device/hid/hid_connection.h"
namespace base {
class MessageLoopProxy;
}
namespace net {
class IOBuffer;
}
namespace device {
class HidConnectionMac : public HidConnection {
public:
explicit HidConnectionMac(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:
virtual ~HidConnectionMac();
static void InputReportCallback(void* context,
IOReturn result,
void* sender,
IOHIDReportType type,
uint32_t report_id,
uint8_t* report_bytes,
CFIndex report_length);
void WriteReport(IOHIDReportType type,
uint8_t report_id,
scoped_refptr<net::IOBufferWithSize> buffer,
const IOCallback& callback);
void Flush();
void ProcessInputReport(scoped_refptr<net::IOBufferWithSize> buffer);
void ProcessReadQueue();
base::ScopedCFTypeRef<IOHIDDeviceRef> device_;
scoped_refptr<base::MessageLoopProxy> message_loop_;
std::vector<uint8_t> inbound_buffer_;
std::queue<PendingHidReport> pending_reports_;
std::queue<PendingHidRead> pending_reads_;
DISALLOW_COPY_AND_ASSIGN(HidConnectionMac);
};
} // namespace device
#endif // DEVICE_HID_HID_CONNECTION_MAC_H_
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