79 lines
3.2 KiB
C++
79 lines
3.2 KiB
C++
/*
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* Copyright (C) 2012, 2014-2015 Apple Inc. All rights reserved.
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* Copyright (C) 2019 Igalia S.L.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(ASYNC_SCROLLING) && USE(NICOSIA)
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#include "ScrollingTreeFrameScrollingNode.h"
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#include "ScrollingTreeScrollingNodeDelegateNicosia.h"
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#include <wtf/RefPtr.h>
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namespace Nicosia {
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class CompositionLayer;
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}
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namespace WebCore {
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class ScrollAnimation;
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class ScrollAnimationKinetic;
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class ScrollingTreeFrameScrollingNodeNicosia final : public ScrollingTreeFrameScrollingNode {
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public:
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static Ref<ScrollingTreeFrameScrollingNode> create(ScrollingTree&, ScrollingNodeType, ScrollingNodeID);
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virtual ~ScrollingTreeFrameScrollingNodeNicosia();
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RefPtr<Nicosia::CompositionLayer> rootContentsLayer() const { return m_rootContentsLayer; }
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private:
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ScrollingTreeFrameScrollingNodeNicosia(ScrollingTree&, ScrollingNodeType, ScrollingNodeID);
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void commitStateBeforeChildren(const ScrollingStateNode&) override;
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void commitStateAfterChildren(const ScrollingStateNode&) override;
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WheelEventHandlingResult handleWheelEvent(const PlatformWheelEvent&, EventTargeting) override;
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FloatPoint adjustedScrollPosition(const FloatPoint&, ScrollClamping) const override;
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void currentScrollPositionChanged(ScrollType, ScrollingLayerPositionAction) override;
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void stopScrollAnimations() override;
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void repositionScrollingLayers() override;
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void repositionRelatedLayers() override;
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RefPtr<Nicosia::CompositionLayer> m_rootContentsLayer;
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RefPtr<Nicosia::CompositionLayer> m_counterScrollingLayer;
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RefPtr<Nicosia::CompositionLayer> m_insetClipLayer;
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RefPtr<Nicosia::CompositionLayer> m_contentShadowLayer;
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RefPtr<Nicosia::CompositionLayer> m_headerLayer;
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RefPtr<Nicosia::CompositionLayer> m_footerLayer;
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ScrollingTreeScrollingNodeDelegateNicosia m_delegate;
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};
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} // namespace WebCore
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#endif // ENABLE(ASYNC_SCROLLING) && USE(NICOSIA)
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