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ScrollingTreeFrameScrollingNodeNicosia.h
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ScrollingTreeFrameScrollingNodeNicosia.h
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/*
* Copyright (C) 2012, 2014-2015 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 "ScrollingTreeFrameScrollingNode.h"
#include <wtf/RefPtr.h>
namespace Nicosia {
class CompositionLayer;
}
namespace WebCore {
class ScrollAnimation;
class ScrollAnimationKinetic;
class ScrollingTreeFrameScrollingNodeNicosia final : public ScrollingTreeFrameScrollingNode {
public:
static Ref<ScrollingTreeFrameScrollingNode> create(ScrollingTree&, ScrollingNodeType, ScrollingNodeID);
virtual ~ScrollingTreeFrameScrollingNodeNicosia();
RefPtr<Nicosia::CompositionLayer> rootContentsLayer() const { return m_rootContentsLayer; }
private:
ScrollingTreeFrameScrollingNodeNicosia(ScrollingTree&, ScrollingNodeType, ScrollingNodeID);
void commitStateBeforeChildren(const ScrollingStateNode&) override;
void commitStateAfterChildren(const ScrollingStateNode&) override;
#if ENABLE(KINETIC_SCROLLING)
void ensureScrollAnimationKinetic();
#endif
#if ENABLE(SMOOTH_SCROLLING)
void ensureScrollAnimationSmooth();
#endif
WheelEventHandlingResult handleWheelEvent(const PlatformWheelEvent&) override;
void stopScrollAnimations() override;
FloatPoint adjustedScrollPosition(const FloatPoint&, ScrollClamping) const override;
void currentScrollPositionChanged(ScrollType, ScrollingLayerPositionAction) override;
void repositionScrollingLayers() override;
void repositionRelatedLayers() override;
RefPtr<Nicosia::CompositionLayer> m_rootContentsLayer;
RefPtr<Nicosia::CompositionLayer> m_counterScrollingLayer;
RefPtr<Nicosia::CompositionLayer> m_insetClipLayer;
RefPtr<Nicosia::CompositionLayer> m_contentShadowLayer;
RefPtr<Nicosia::CompositionLayer> m_headerLayer;
RefPtr<Nicosia::CompositionLayer> m_footerLayer;
bool m_scrollAnimatorEnabled { false };
#if ENABLE(KINETIC_SCROLLING)
std::unique_ptr<ScrollAnimationKinetic> m_kineticAnimation;
#endif
#if ENABLE(SMOOTH_SCROLLING)
std::unique_ptr<ScrollAnimation> m_smoothAnimation;
#endif
};
} // namespace WebCore
#endif // ENABLE(ASYNC_SCROLLING) && USE(NICOSIA)