/* * 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/AtomicString.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&) final; void platformGamepadDisconnected(PlatformGamepad&) final; void platformGamepadInputActivity(bool shouldMakeGamepadVisible) 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 WTF::AtomicString& 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)