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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 SingleThreadTaskRunner;
}
namespace net {
class IOBuffer;
}
namespace device {
class HidConnectionMac : public HidConnection {
public:
HidConnectionMac(
IOHIDDeviceRef device,
scoped_refptr<HidDeviceInfo> device_info,
scoped_refptr<base::SingleThreadTaskRunner> file_task_runner);
private:
~HidConnectionMac() override;
// HidConnection implementation.
void PlatformClose() override;
void PlatformRead(const ReadCallback& callback) override;
void PlatformWrite(scoped_refptr<net::IOBuffer> buffer,
size_t size,
const WriteCallback& callback) override;
void PlatformGetFeatureReport(uint8_t report_id,
const ReadCallback& callback) override;
void PlatformSendFeatureReport(scoped_refptr<net::IOBuffer> buffer,
size_t size,
const WriteCallback& callback) override;
static void InputReportCallback(void* context,
IOReturn result,
void* sender,
IOHIDReportType type,
uint32_t report_id,
uint8_t* report_bytes,
CFIndex report_length);
void ProcessInputReport(scoped_refptr<net::IOBufferWithSize> buffer);
void ProcessReadQueue();
void GetFeatureReportAsync(uint8_t report_id, const ReadCallback& callback);
void SetReportAsync(IOHIDReportType report_type,
scoped_refptr<net::IOBuffer> buffer,
size_t size,
const WriteCallback& callback);
void ReturnAsyncResult(const base::Closure& callback);
base::ScopedCFTypeRef<IOHIDDeviceRef> device_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
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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