| /* |
| * Copyright (C) 2014 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. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(ASYNC_SCROLLING) && ENABLE(SCROLLING_THREAD) |
| |
| #include "ThreadedScrollingTree.h" |
| |
| namespace WebCore { |
| |
| class WheelEventTestMonitor; |
| |
| class ScrollingTreeMac final : public ThreadedScrollingTree { |
| public: |
| static Ref<ScrollingTreeMac> create(AsyncScrollingCoordinator&); |
| |
| private: |
| explicit ScrollingTreeMac(AsyncScrollingCoordinator&); |
| |
| Ref<ScrollingTreeNode> createScrollingTreeNode(ScrollingNodeType, ScrollingNodeID) final; |
| |
| RefPtr<ScrollingTreeNode> scrollingNodeForPoint(FloatPoint) final; |
| #if ENABLE(WHEEL_EVENT_REGIONS) |
| OptionSet<EventListenerRegionType> eventListenerRegionTypesForPoint(FloatPoint) const final; |
| #endif |
| |
| void setWheelEventTestMonitor(RefPtr<WheelEventTestMonitor>&&) final; |
| WheelEventTestMonitor* wheelEventTestMonitor() final { return m_wheelEventTestMonitor.get(); } |
| |
| void receivedWheelEvent(const PlatformWheelEvent&) final; |
| |
| void deferWheelEventTestCompletionForReason(WheelEventTestMonitor::ScrollableAreaIdentifier, WheelEventTestMonitor::DeferReason) final; |
| void removeWheelEventTestCompletionDeferralForReason(WheelEventTestMonitor::ScrollableAreaIdentifier, WheelEventTestMonitor::DeferReason) final; |
| |
| void lockLayersForHitTesting() final WTF_ACQUIRES_LOCK(m_layerHitTestMutex); |
| void unlockLayersForHitTesting() final WTF_RELEASES_LOCK(m_layerHitTestMutex); |
| |
| // This lock protects the CALayer/PlatformCALayer tree. |
| mutable Lock m_layerHitTestMutex; |
| |
| RefPtr<WheelEventTestMonitor> m_wheelEventTestMonitor; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(ASYNC_SCROLLING) && ENABLE(SCROLLING_THREAD) |