ScrollingStateFrameScrollingNode.h [plain text]
#pragma once
#if ENABLE(ASYNC_SCROLLING)
#include "EventTrackingRegions.h"
#include "ScrollTypes.h"
#include "ScrollbarThemeComposite.h"
#include "ScrollingCoordinator.h"
#include "ScrollingStateScrollingNode.h"
namespace WebCore {
class Scrollbar;
class ScrollingStateFrameScrollingNode final : public ScrollingStateScrollingNode {
public:
static Ref<ScrollingStateFrameScrollingNode> create(ScrollingStateTree&, ScrollingNodeType, ScrollingNodeID);
Ref<ScrollingStateNode> clone(ScrollingStateTree&) override;
virtual ~ScrollingStateFrameScrollingNode();
enum ChangedProperty {
FrameScaleFactor = NumScrollingStateNodeBits,
EventTrackingRegion,
ReasonsForSynchronousScrolling,
RootContentsLayer,
ScrolledContentsLayer,
CounterScrollingLayer,
InsetClipLayer,
ContentShadowLayer,
HeaderHeight,
FooterHeight,
HeaderLayer,
FooterLayer,
BehaviorForFixedElements,
TopContentInset,
FixedElementsLayoutRelativeToFrame,
VisualViewportIsSmallerThanLayoutViewport,
AsyncFrameOrOverflowScrollingEnabled,
LayoutViewport,
MinLayoutViewportOrigin,
MaxLayoutViewportOrigin,
OverrideVisualViewportSize,
};
float frameScaleFactor() const { return m_frameScaleFactor; }
WEBCORE_EXPORT void setFrameScaleFactor(float);
const EventTrackingRegions& eventTrackingRegions() const { return m_eventTrackingRegions; }
WEBCORE_EXPORT void setEventTrackingRegions(const EventTrackingRegions&);
SynchronousScrollingReasons synchronousScrollingReasons() const { return m_synchronousScrollingReasons; }
WEBCORE_EXPORT void setSynchronousScrollingReasons(SynchronousScrollingReasons);
ScrollBehaviorForFixedElements scrollBehaviorForFixedElements() const { return m_behaviorForFixed; }
WEBCORE_EXPORT void setScrollBehaviorForFixedElements(ScrollBehaviorForFixedElements);
FloatRect layoutViewport() const { return m_layoutViewport; };
WEBCORE_EXPORT void setLayoutViewport(const FloatRect&);
FloatPoint minLayoutViewportOrigin() const { return m_minLayoutViewportOrigin; }
WEBCORE_EXPORT void setMinLayoutViewportOrigin(const FloatPoint&);
FloatPoint maxLayoutViewportOrigin() const { return m_maxLayoutViewportOrigin; }
WEBCORE_EXPORT void setMaxLayoutViewportOrigin(const FloatPoint&);
Optional<FloatSize> overrideVisualViewportSize() const { return m_overrideVisualViewportSize; };
WEBCORE_EXPORT void setOverrideVisualViewportSize(Optional<FloatSize>);
int headerHeight() const { return m_headerHeight; }
WEBCORE_EXPORT void setHeaderHeight(int);
int footerHeight() const { return m_footerHeight; }
WEBCORE_EXPORT void setFooterHeight(int);
float topContentInset() const { return m_topContentInset; }
WEBCORE_EXPORT void setTopContentInset(float);
const LayerRepresentation& rootContentsLayer() const { return m_rootContentsLayer; }
WEBCORE_EXPORT void setRootContentsLayer(const LayerRepresentation&);
const LayerRepresentation& counterScrollingLayer() const { return m_counterScrollingLayer; }
WEBCORE_EXPORT void setCounterScrollingLayer(const LayerRepresentation&);
const LayerRepresentation& insetClipLayer() const { return m_insetClipLayer; }
WEBCORE_EXPORT void setInsetClipLayer(const LayerRepresentation&);
const LayerRepresentation& contentShadowLayer() const { return m_contentShadowLayer; }
WEBCORE_EXPORT void setContentShadowLayer(const LayerRepresentation&);
const LayerRepresentation& headerLayer() const { return m_headerLayer; }
WEBCORE_EXPORT void setHeaderLayer(const LayerRepresentation&);
const LayerRepresentation& footerLayer() const { return m_footerLayer; }
WEBCORE_EXPORT void setFooterLayer(const LayerRepresentation&);
bool visualViewportIsSmallerThanLayoutViewport() const { return m_visualViewportIsSmallerThanLayoutViewport; }
WEBCORE_EXPORT void setVisualViewportIsSmallerThanLayoutViewport(bool);
bool fixedElementsLayoutRelativeToFrame() const { return m_fixedElementsLayoutRelativeToFrame; }
WEBCORE_EXPORT void setFixedElementsLayoutRelativeToFrame(bool);
bool asyncFrameOrOverflowScrollingEnabled() const { return m_asyncFrameOrOverflowScrollingEnabled; }
void setAsyncFrameOrOverflowScrollingEnabled(bool);
void dumpProperties(WTF::TextStream&, ScrollingStateTreeAsTextBehavior) const override;
private:
ScrollingStateFrameScrollingNode(ScrollingStateTree&, ScrollingNodeType, ScrollingNodeID);
ScrollingStateFrameScrollingNode(const ScrollingStateFrameScrollingNode&, ScrollingStateTree&);
void setPropertyChangedBitsAfterReattach() override;
LayerRepresentation m_rootContentsLayer;
LayerRepresentation m_counterScrollingLayer;
LayerRepresentation m_insetClipLayer;
LayerRepresentation m_contentShadowLayer;
LayerRepresentation m_headerLayer;
LayerRepresentation m_footerLayer;
EventTrackingRegions m_eventTrackingRegions;
FloatRect m_layoutViewport;
FloatPoint m_minLayoutViewportOrigin;
FloatPoint m_maxLayoutViewportOrigin;
Optional<FloatSize> m_overrideVisualViewportSize;
float m_frameScaleFactor { 1 };
float m_topContentInset { 0 };
int m_headerHeight { 0 };
int m_footerHeight { 0 };
SynchronousScrollingReasons m_synchronousScrollingReasons { 0 };
ScrollBehaviorForFixedElements m_behaviorForFixed { StickToDocumentBounds };
bool m_fixedElementsLayoutRelativeToFrame { false };
bool m_visualViewportIsSmallerThanLayoutViewport { false };
bool m_asyncFrameOrOverflowScrollingEnabled { false };
};
}
SPECIALIZE_TYPE_TRAITS_SCROLLING_STATE_NODE(ScrollingStateFrameScrollingNode, isFrameScrollingNode())
#endif // ENABLE(ASYNC_SCROLLING)