| /* |
| * 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 = std::function<void()>(); |
| m_testTriggerTimer.stop(); |
| LOG(WheelEventTestTriggers, " (=) WheelEventTestTrigger::clearAllTestDeferrals: cleared all test state."); |
| } |
| |
| void WheelEventTestTrigger::setTestCallbackAndStartNotificationTimer(std::function<void()> functionCallback) |
| { |
| { |
| std::lock_guard<Lock> lock(m_testTriggerMutex); |
| m_testNotificationCallback = WTFMove(functionCallback); |
| } |
| |
| if (!m_testTriggerTimer.isActive()) |
| m_testTriggerTimer.startRepeating(1.0 / 60.0); |
| } |
| |
| 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, std::set<DeferTestTriggerReason>()).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, std::set<WheelEventTestTrigger::DeferTestTriggerReason>> 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.append(", "); |
| reasons.append(String::number(reason)); |
| } |
| LOG(WheelEventTestTriggers, " Reasons: %s", reasons.toString().utf8().data()); |
| } |
| } |
| #endif |
| |
| void WheelEventTestTrigger::triggerTestTimerFired() |
| { |
| std::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_testNotificationCallback = std::function<void()>(); |
| } |
| |
| m_testTriggerTimer.stop(); |
| |
| LOG(WheelEventTestTriggers, " WheelEventTestTrigger::triggerTestTimerFired: FIRING TEST"); |
| if (functionCallback) |
| functionCallback(); |
| } |
| |
| } |