/* * 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. */ #include "config.h" #include "DOMTimerHoldingTank.h" #if PLATFORM(IOS_FAMILY) #include <wtf/HashSet.h> namespace WebCore { #if PLATFORM(IOS_SIMULATOR) constexpr Seconds maximumHoldTimeLimit { 50_ms }; #else constexpr Seconds maximumHoldTimeLimit { 32_ms }; #endif bool DeferDOMTimersForScope::s_isDeferring { false }; DOMTimerHoldingTank::DOMTimerHoldingTank() : m_exceededMaximumHoldTimer { *this, &DOMTimerHoldingTank::removeAll } { } DOMTimerHoldingTank::~DOMTimerHoldingTank() = default; void DOMTimerHoldingTank::add(const DOMTimer& timer) { m_timers.add(&timer); if (!m_exceededMaximumHoldTimer.isActive()) m_exceededMaximumHoldTimer.startOneShot(maximumHoldTimeLimit); } void DOMTimerHoldingTank::remove(const DOMTimer& timer) { stopExceededMaximumHoldTimer(); m_timers.remove(&timer); } bool DOMTimerHoldingTank::contains(const DOMTimer& timer) { return m_timers.contains(&timer); } void DOMTimerHoldingTank::removeAll() { stopExceededMaximumHoldTimer(); m_timers.clear(); } inline void DOMTimerHoldingTank::stopExceededMaximumHoldTimer() { if (m_exceededMaximumHoldTimer.isActive()) m_exceededMaximumHoldTimer.stop(); } } // namespace WebCore #endif // PLATFORM(IOS_FAMILY)