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/*
* Copyright (C) 2015 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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 "WheelEventTestTrigger.h"
#include "Logging.h"
#if !LOG_DISABLED
#include <wtf/text/CString.h>
#include <wtf/text/StringBuilder.h>
#endif
namespace WebCore {
WheelEventTestTrigger::WheelEventTestTrigger()
: m_testTriggerTimer(RunLoop::current(), this, &WheelEventTestTrigger::triggerTestTimerFired)
{
}
void WheelEventTestTrigger::clearAllTestDeferrals()
{
std::lock_guard<Lock> lock(m_testTriggerMutex);
m_deferTestTriggerReasons.clear();
m_testNotificationCallback = nullptr;
m_testTriggerTimer.stop();
LOG(WheelEventTestTriggers, " (=) WheelEventTestTrigger::clearAllTestDeferrals: cleared all test state.");
}
void WheelEventTestTrigger::setTestCallbackAndStartNotificationTimer(WTF::Function<void()>&& functionCallback)
{
{
std::lock_guard<Lock> lock(m_testTriggerMutex);
m_testNotificationCallback = WTFMove(functionCallback);
}
if (!m_testTriggerTimer.isActive())
m_testTriggerTimer.startRepeating(1_s / 60.);
}
void WheelEventTestTrigger::deferTestsForReason(ScrollableAreaIdentifier identifier, DeferTestTriggerReason reason)
{
std::lock_guard<Lock> lock(m_testTriggerMutex);
auto it = m_deferTestTriggerReasons.find(identifier);
if (it == m_deferTestTriggerReasons.end())
it = m_deferTestTriggerReasons.add(identifier, DeferTestTriggerReasonSet()).iterator;
LOG(WheelEventTestTriggers, " (=) WheelEventTestTrigger::deferTestsForReason: id=%p, reason=%d", identifier, reason);
it->value.insert(reason);
}
void WheelEventTestTrigger::removeTestDeferralForReason(ScrollableAreaIdentifier identifier, DeferTestTriggerReason reason)
{
std::lock_guard<Lock> lock(m_testTriggerMutex);
auto it = m_deferTestTriggerReasons.find(identifier);
if (it == m_deferTestTriggerReasons.end())
return;
LOG(WheelEventTestTriggers, " (=) WheelEventTestTrigger::removeTestDeferralForReason: id=%p, reason=%d", identifier, reason);
it->value.erase(reason);
if (it->value.empty())
m_deferTestTriggerReasons.remove(it);
}
#if !LOG_DISABLED
static void dumpState(WTF::HashMap<WheelEventTestTrigger::ScrollableAreaIdentifier, WheelEventTestTrigger::DeferTestTriggerReasonSet> reasons)
{
LOG(WheelEventTestTriggers, " WheelEventTestTrigger::dumpState:");
for (const auto& scrollRegion : reasons) {
LOG(WheelEventTestTriggers, " For scroll region %p", scrollRegion.key);
StringBuilder reasons;
for (const auto& reason : scrollRegion.value) {
if (!reasons.isEmpty())
reasons.appendLiteral(", ");
reasons.appendNumber(static_cast<unsigned>(reason));
}
LOG(WheelEventTestTriggers, " Reasons: %s", reasons.toString().utf8().data());
}
}
#endif
void WheelEventTestTrigger::triggerTestTimerFired()
{
WTF::Function<void()> functionCallback;
{
std::lock_guard<Lock> lock(m_testTriggerMutex);
if (!m_deferTestTriggerReasons.isEmpty()) {
#if !LOG_DISABLED
if (isLogChannelEnabled("WheelEventTestTriggers"))
dumpState(m_deferTestTriggerReasons);
#endif
return;
}
functionCallback = WTFMove(m_testNotificationCallback);
}
m_testTriggerTimer.stop();
LOG(WheelEventTestTriggers, " WheelEventTestTrigger::triggerTestTimerFired: FIRING TEST");
if (functionCallback)
functionCallback();
}
}