blob: 203db5965c19523e12dd5355d2257d90b0959f72 [file] [log] [blame]
/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
* Copyright (C) 2019 Igalia S.L.
*
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* HOLDER OR 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) && USE(NICOSIA)
#include "ScrollingTreeOverflowScrollingNode.h"
namespace WebCore {
class ScrollingTreeOverflowScrollingNodeNicosia final : public ScrollingTreeOverflowScrollingNode {
public:
static Ref<ScrollingTreeOverflowScrollingNode> create(ScrollingTree&, ScrollingNodeID);
virtual ~ScrollingTreeOverflowScrollingNodeNicosia();
private:
ScrollingTreeOverflowScrollingNodeNicosia(ScrollingTree&, ScrollingNodeID);
void commitStateAfterChildren(const ScrollingStateNode&) override;
FloatPoint adjustedScrollPosition(const FloatPoint&, ScrollPositionClamp) const override;
void repositionScrollingLayers() override;
ScrollingEventResult handleWheelEvent(const PlatformWheelEvent&) override;
};
} // namespace WebCore
#endif // ENABLE(ASYNC_SCROLLING) && USE(NICOSIA)