/* * Copyright (C) 2019 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 PLATFORM(IOS_FAMILY) #include "Timer.h" #include <wtf/Forward.h> namespace WebCore { class DOMTimer; class DOMTimerHoldingTank { WTF_MAKE_FAST_ALLOCATED; public: DOMTimerHoldingTank(); ~DOMTimerHoldingTank(); void add(const DOMTimer&); void remove(const DOMTimer&); bool contains(const DOMTimer&); WEBCORE_EXPORT void removeAll(); private: void stopExceededMaximumHoldTimer(); HashSet<const DOMTimer*> m_timers; Timer m_exceededMaximumHoldTimer; }; class DeferDOMTimersForScope { public: explicit DeferDOMTimersForScope(bool enable) : m_previousIsDeferring { s_isDeferring } { if (enable) s_isDeferring = true; } ~DeferDOMTimersForScope() { s_isDeferring = m_previousIsDeferring; } static bool isDeferring() { return s_isDeferring; } private: bool m_previousIsDeferring; static bool s_isDeferring; }; } // namespace WebCore #endif // PLATFORM(IOS_FAMILY)