1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(GAMEPAD)
29
30#include <WebCore/GamepadProvider.h>
31#include <wtf/Forward.h>
32#include <wtf/HashSet.h>
33#include <wtf/Vector.h>
34
35namespace WebKit {
36
37class SharedMemory;
38class WebGamepad;
39
40class GamepadData;
41
42class WebGamepadProvider : public WebCore::GamepadProvider {
43public:
44 static WebGamepadProvider& singleton();
45
46 void gamepadConnected(const GamepadData&);
47 void gamepadDisconnected(unsigned index);
48 void gamepadActivity(const Vector<GamepadData>&, bool shouldMakeGamepadsVisible);
49
50 void setInitialGamepads(const Vector<GamepadData>&);
51
52private:
53 friend NeverDestroyed<WebGamepadProvider>;
54 WebGamepadProvider();
55 ~WebGamepadProvider() final;
56
57 void startMonitoringGamepads(WebCore::GamepadProviderClient&) final;
58 void stopMonitoringGamepads(WebCore::GamepadProviderClient&) final;
59 const Vector<WebCore::PlatformGamepad*>& platformGamepads() final;
60
61 HashSet<WebCore::GamepadProviderClient*> m_clients;
62
63 Vector<std::unique_ptr<WebGamepad>> m_gamepads;
64 Vector<WebCore::PlatformGamepad*> m_rawGamepads;
65};
66
67} // namespace WebKit
68
69#endif // ENABLE(GAMEPAD)
70