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/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(GAMEPAD)
#include "GamepadProviderClient.h"
#include <wtf/HashSet.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/AtomString.h>
namespace WebCore {
class DOMWindow;
class Gamepad;
class NavigatorGamepad;
class GamepadManager : public GamepadProviderClient {
WTF_MAKE_NONCOPYABLE(GamepadManager);
friend class NeverDestroyed<GamepadManager>;
public:
static GamepadManager& singleton();
void platformGamepadConnected(PlatformGamepad&, EventMakesGamepadsVisible) final;
void platformGamepadDisconnected(PlatformGamepad&) final;
void platformGamepadInputActivity(EventMakesGamepadsVisible) final;
void registerNavigator(NavigatorGamepad*);
void unregisterNavigator(NavigatorGamepad*);
void registerDOMWindow(DOMWindow*);
void unregisterDOMWindow(DOMWindow*);
private:
GamepadManager();
void makeGamepadVisible(PlatformGamepad&, HashSet<NavigatorGamepad*>&, HashSet<DOMWindow*>&);
void dispatchGamepadEvent(const AtomString& eventName, PlatformGamepad&);
void maybeStartMonitoringGamepads();
void maybeStopMonitoringGamepads();
bool m_isMonitoringGamepads;
HashSet<NavigatorGamepad*> m_navigators;
HashSet<NavigatorGamepad*> m_gamepadBlindNavigators;
HashSet<DOMWindow*> m_domWindows;
HashSet<DOMWindow*> m_gamepadBlindDOMWindows;
};
} // namespace WebCore
#endif // ENABLE(GAMEPAD)