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// Copyright (c) 2012 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 CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_LINUX_H_
#define CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_LINUX_H_
#include <stddef.h>
#include <memory>
#include <string>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "content/browser/gamepad/gamepad_data_fetcher.h"
extern "C" {
struct udev_device;
}
namespace device {
class UdevLinux;
}
namespace content {
class GamepadPlatformDataFetcherLinux : public GamepadDataFetcher {
public:
GamepadPlatformDataFetcherLinux();
~GamepadPlatformDataFetcherLinux() override;
// GamepadDataFetcher implementation.
void GetGamepadData(blink::WebGamepads* pads,
bool devices_changed_hint) override;
private:
void RefreshDevice(udev_device* dev);
void EnumerateDevices();
void ReadDeviceData(size_t index);
// File descriptor for the /dev/input/js* devices. -1 if not in use.
int device_fd_[blink::WebGamepads::itemsLengthCap];
std::unique_ptr<device::UdevLinux> udev_;
DISALLOW_COPY_AND_ASSIGN(GamepadPlatformDataFetcherLinux);
};
} // namespace content
#endif // CONTENT_BROWSER_GAMEPAD_GAMEPAD_PLATFORM_DATA_FETCHER_LINUX_H_
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