blob: 709288d8b8474b50ced37cca44de2c1cd99733a0 [file] [log] [blame]
/*
* 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 ENABLE(CONTENT_CHANGE_OBSERVER)
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 // ENABLE(CONTENT_CHANGE_OBSERVER)