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https://github.com/flutter/flutter.git
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83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "config.h"
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#include "core/frame/SuspendableTimer.h"
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namespace blink {
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SuspendableTimer::SuspendableTimer(ExecutionContext* context)
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: ActiveDOMObject(context)
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, m_nextFireInterval(0)
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, m_repeatInterval(0)
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, m_active(false)
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#if ENABLE(ASSERT)
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, m_suspended(false)
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#endif
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{
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}
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SuspendableTimer::~SuspendableTimer()
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{
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}
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bool SuspendableTimer::hasPendingActivity() const
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{
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return isActive();
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}
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void SuspendableTimer::stop()
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{
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TimerBase::stop();
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}
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void SuspendableTimer::suspend()
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{
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#if ENABLE(ASSERT)
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ASSERT(!m_suspended);
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m_suspended = true;
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#endif
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m_active = isActive();
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if (m_active) {
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m_nextFireInterval = nextUnalignedFireInterval();
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m_repeatInterval = repeatInterval();
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TimerBase::stop();
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}
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}
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void SuspendableTimer::resume()
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{
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#if ENABLE(ASSERT)
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ASSERT(m_suspended);
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m_suspended = false;
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#endif
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// FIXME: FROM_HERE is wrong here.
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if (m_active)
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start(m_nextFireInterval, m_repeatInterval, FROM_HERE);
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}
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} // namespace blink
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