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/*
* 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)
#include "ScrollingStateScrollingNode.h"
namespace WebCore {
class ScrollingStateOverflowScrollingNode : public ScrollingStateScrollingNode {
public:
template<typename... Args> static Ref<ScrollingStateOverflowScrollingNode> create(Args&&... args) { return adoptRef(*new ScrollingStateOverflowScrollingNode(std::forward<Args>(args)...)); }
Ref<ScrollingStateNode> clone(ScrollingStateTree&) override;
virtual ~ScrollingStateOverflowScrollingNode();
void dumpProperties(WTF::TextStream&, OptionSet<ScrollingStateTreeAsTextBehavior>) const override;
private:
WEBCORE_EXPORT ScrollingStateOverflowScrollingNode(
ScrollingNodeID,
Vector<Ref<WebCore::ScrollingStateNode>>&& children,
OptionSet<ScrollingStateNodeProperty> changedProperties,
std::optional<WebCore::PlatformLayerIdentifier>,
FloatSize scrollableAreaSize,
FloatSize totalContentsSize,
FloatSize reachableContentsSize,
FloatPoint scrollPosition,
IntPoint scrollOrigin,
ScrollableAreaParameters&&,
#if ENABLE(SCROLLING_THREAD)
OptionSet<SynchronousScrollingReason>,
#endif
RequestedScrollData&&,
FloatScrollSnapOffsetsInfo&&,
std::optional<unsigned> currentHorizontalSnapPointIndex,
std::optional<unsigned> currentVerticalSnapPointIndex,
bool isMonitoringWheelEvents,
std::optional<PlatformLayerIdentifier> scrollContainerLayer,
std::optional<PlatformLayerIdentifier> scrolledContentsLayer,
std::optional<PlatformLayerIdentifier> horizontalScrollbarLayer,
std::optional<PlatformLayerIdentifier> verticalScrollbarLayer,
bool mouseIsOverContentArea,
MouseLocationState&&,
ScrollbarHoverState&&,
ScrollbarEnabledState&&,
UserInterfaceLayoutDirection,
ScrollbarWidth,
bool useDarkAppearanceForScrollbars,
RequestedKeyboardScrollData&&
);
ScrollingStateOverflowScrollingNode(ScrollingStateTree&, ScrollingNodeID);
ScrollingStateOverflowScrollingNode(const ScrollingStateOverflowScrollingNode&, ScrollingStateTree&);
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_SCROLLING_STATE_NODE(ScrollingStateOverflowScrollingNode, isOverflowScrollingNode())
#endif // ENABLE(ASYNC_SCROLLING)
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