ScrollingTreeOverflowScrollingNodeIOS.h [plain text]
#pragma once
#if ENABLE(ASYNC_SCROLLING) && PLATFORM(IOS)
#include <WebCore/ScrollingTreeOverflowScrollingNode.h>
namespace WebKit {
class ScrollingTreeScrollingNodeDelegateIOS;
class ScrollingTreeOverflowScrollingNodeIOS : public WebCore::ScrollingTreeOverflowScrollingNode {
public:
static Ref<ScrollingTreeOverflowScrollingNodeIOS> create(WebCore::ScrollingTree&, WebCore::ScrollingNodeID);
virtual ~ScrollingTreeOverflowScrollingNodeIOS();
private:
ScrollingTreeOverflowScrollingNodeIOS(WebCore::ScrollingTree&, WebCore::ScrollingNodeID);
void commitStateBeforeChildren(const WebCore::ScrollingStateNode&) override;
void commitStateAfterChildren(const WebCore::ScrollingStateNode&) override;
WebCore::FloatPoint scrollPosition() const override;
void setScrollLayerPosition(const WebCore::FloatPoint&, const WebCore::FloatRect& layoutViewport) override;
void updateLayersAfterViewportChange(const WebCore::FloatRect& fixedPositionRect, double scale) override { }
void updateLayersAfterDelegatedScroll(const WebCore::FloatPoint& scrollPosition) override;
void updateLayersAfterAncestorChange(const WebCore::ScrollingTreeNode& changedNode, const WebCore::FloatRect& fixedPositionRect, const WebCore::FloatSize& cumulativeDelta) override;
void handleWheelEvent(const WebCore::PlatformWheelEvent&) override { }
std::unique_ptr<ScrollingTreeScrollingNodeDelegateIOS> m_scrollingNodeDelegate;
};
}
#endif // ENABLE(ASYNC_SCROLLING) && PLATFORM(IOS)