1/*
2 * Copyright (C) 2012 Zan Dobersek <zandobersek@gmail.com>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
23 * DAMAGE.
24 */
25
26#ifndef GamepadDeviceLinux_h
27#define GamepadDeviceLinux_h
28
29#if ENABLE(GAMEPAD_DEPRECATED)
30
31#include <linux/joystick.h>
32#include <wtf/Vector.h>
33#include <wtf/text/WTFString.h>
34
35namespace WebCore {
36
37class GamepadDeviceLinux {
38public:
39    bool connected() { return m_connected; };
40
41    String id() { return m_deviceName; }
42    unsigned long long timestamp() { return m_lastTimestamp; }
43
44    unsigned axesCount() { return m_axes.size(); }
45    float* axesData() { return m_axes.data(); }
46
47    unsigned buttonsCount() { return m_buttons.size(); }
48    float* buttonsData() { return m_buttons.data(); }
49
50protected:
51    GamepadDeviceLinux(String deviceFile);
52    ~GamepadDeviceLinux();
53
54    void updateForEvent(struct js_event);
55    int m_fileDescriptor;
56
57private:
58    float normalizeAxisValue(short value);
59    float normalizeButtonValue(short value);
60
61    bool m_connected;
62    String m_deviceName;
63    unsigned long long m_lastTimestamp;
64
65    Vector<float> m_axes;
66    Vector<float> m_buttons;
67};
68
69} // namespace WebCore
70
71#endif // ENABLE(GAMEPAD_DEPRECATED)
72
73#endif // GamepadDeviceLinux_h
74